diff --git a/generic/tclClock.c b/generic/tclClock.c index 27009fdea8c8..38c226dc447e 100644 --- a/generic/tclClock.c +++ b/generic/tclClock.c @@ -1,19 +1,22 @@ /* * tclClock.c -- * - * Contains the time and date related commands. This code is derived from - * the time and date facilities of TclX, by Mark Diekhans and Karl - * Lehenbauer. + * Contains the time and date related commands. This code is derived from + * the time and date facilities of TclX, by Mark Diekhans and Karl + * Lehenbauer. * * Copyright 1991-1995 Karl Lehenbauer and Mark Diekhans. * Copyright (c) 1995 Sun Microsystems, Inc. * Copyright (c) 2004 by Kevin B. Kenny. All rights reserved. + * Copyright (c) 2015 by Sergey G. Brester aka sebres. All rights reserved. * * See the file "license.terms" for information on usage and redistribution of * this file, and for a DISCLAIMER OF ALL WARRANTIES. */ #include "tclInt.h" +#include "tclStrIdxTree.h" +#include "tclDate.h" /* * Windows has mktime. The configurators do not check. @@ -23,21 +26,6 @@ #define HAVE_MKTIME 1 #endif -/* - * Constants - */ - -#define JULIAN_DAY_POSIX_EPOCH 2440588 -#define SECONDS_PER_DAY 86400 -#define JULIAN_SEC_POSIX_EPOCH (((Tcl_WideInt) JULIAN_DAY_POSIX_EPOCH) \ - * SECONDS_PER_DAY) -#define FOUR_CENTURIES 146097 /* days */ -#define JDAY_1_JAN_1_CE_JULIAN 1721424 -#define JDAY_1_JAN_1_CE_GREGORIAN 1721426 -#define ONE_CENTURY_GREGORIAN 36524 /* days */ -#define FOUR_YEARS 1461 /* days */ -#define ONE_YEAR 365 /* days */ - /* * Table of the days in each month, leap and common years */ @@ -55,70 +43,13 @@ static const int daysInPriorMonths[2][13] = { * Enumeration of the string literals used in [clock] */ -typedef enum ClockLiteral { - LIT__NIL, - LIT__DEFAULT_FORMAT, - LIT_BCE, LIT_C, - LIT_CANNOT_USE_GMT_AND_TIMEZONE, - LIT_CE, - LIT_DAYOFMONTH, LIT_DAYOFWEEK, LIT_DAYOFYEAR, - LIT_ERA, LIT_GMT, LIT_GREGORIAN, - LIT_INTEGER_VALUE_TOO_LARGE, - LIT_ISO8601WEEK, LIT_ISO8601YEAR, - LIT_JULIANDAY, LIT_LOCALSECONDS, - LIT_MONTH, - LIT_SECONDS, LIT_TZNAME, LIT_TZOFFSET, - LIT_YEAR, - LIT__END -} ClockLiteral; -static const char *const literals[] = { - "", - "%a %b %d %H:%M:%S %Z %Y", - "BCE", "C", - "cannot use -gmt and -timezone in same call", - "CE", - "dayOfMonth", "dayOfWeek", "dayOfYear", - "era", ":GMT", "gregorian", - "integer value too large to represent", - "iso8601Week", "iso8601Year", - "julianDay", "localSeconds", - "month", - "seconds", "tzName", "tzOffset", - "year" -}; - -/* - * Structure containing the client data for [clock] - */ - -typedef struct ClockClientData { - size_t refCount; /* Number of live references. */ - Tcl_Obj **literals; /* Pool of object literals. */ -} ClockClientData; +CLOCK_LITERAL_ARRAY(Literals); -/* - * Structure containing the fields used in [clock format] and [clock scan] - */ +/* Msgcat literals for exact match (mcKey) */ +CLOCK_LOCALE_LITERAL_ARRAY(MsgCtLiterals, ""); +/* Msgcat index literals prefixed with _IDX_, used for quick dictionary search */ +CLOCK_LOCALE_LITERAL_ARRAY(MsgCtLitIdxs, "_IDX_"); -typedef struct TclDateFields { - Tcl_WideInt seconds; /* Time expressed in seconds from the Posix - * epoch */ - Tcl_WideInt localSeconds; /* Local time expressed in nominal seconds - * from the Posix epoch */ - int tzOffset; /* Time zone offset in seconds east of - * Greenwich */ - Tcl_Obj *tzName; /* Time zone name */ - int julianDay; /* Julian Day Number in local time zone */ - enum {BCE=1, CE=0} era; /* Era */ - int gregorian; /* Flag == 1 if the date is Gregorian */ - int year; /* Year of the era */ - int dayOfYear; /* Day of the year (1 January == 1) */ - int month; /* Month number */ - int dayOfMonth; /* Day of the month */ - int iso8601Year; /* ISO8601 week-based year */ - int iso8601Week; /* ISO8601 week number */ - int dayOfWeek; /* Day of the week */ -} TclDateFields; static const char *const eras[] = { "CE", "BCE", NULL }; /* @@ -139,88 +70,104 @@ TCL_DECLARE_MUTEX(clockMutex) * Function prototypes for local procedures in this file: */ -static int ConvertUTCToLocal(Tcl_Interp *, - TclDateFields *, Tcl_Obj *, int); -static int ConvertUTCToLocalUsingTable(Tcl_Interp *, - TclDateFields *, int, Tcl_Obj *const[]); -static int ConvertUTCToLocalUsingC(Tcl_Interp *, - TclDateFields *, int); -static int ConvertLocalToUTC(Tcl_Interp *, - TclDateFields *, Tcl_Obj *, int); -static int ConvertLocalToUTCUsingTable(Tcl_Interp *, - TclDateFields *, int, Tcl_Obj *const[]); -static int ConvertLocalToUTCUsingC(Tcl_Interp *, - TclDateFields *, int); -static Tcl_Obj * LookupLastTransition(Tcl_Interp *, Tcl_WideInt, - int, Tcl_Obj *const *); -static void GetYearWeekDay(TclDateFields *, int); -static void GetGregorianEraYearDay(TclDateFields *, int); -static void GetMonthDay(TclDateFields *); -static void GetJulianDayFromEraYearWeekDay(TclDateFields *, int); -static void GetJulianDayFromEraYearMonthDay(TclDateFields *, int); -static int IsGregorianLeapYear(TclDateFields *); -static int WeekdayOnOrBefore(int, int); -static int ClockClicksObjCmd( - ClientData clientData, Tcl_Interp *interp, - int objc, Tcl_Obj *const objv[]); -static int ClockConvertlocaltoutcObjCmd( - ClientData clientData, Tcl_Interp *interp, - int objc, Tcl_Obj *const objv[]); -static int ClockGetdatefieldsObjCmd( - ClientData clientData, Tcl_Interp *interp, - int objc, Tcl_Obj *const objv[]); -static int ClockGetjuliandayfromerayearmonthdayObjCmd( - ClientData clientData, Tcl_Interp *interp, - int objc, Tcl_Obj *const objv[]); -static int ClockGetjuliandayfromerayearweekdayObjCmd( - ClientData clientData, Tcl_Interp *interp, - int objc, Tcl_Obj *const objv[]); -static int ClockGetenvObjCmd( - ClientData clientData, Tcl_Interp *interp, - int objc, Tcl_Obj *const objv[]); -static int ClockMicrosecondsObjCmd( - ClientData clientData, Tcl_Interp *interp, - int objc, Tcl_Obj *const objv[]); -static int ClockMillisecondsObjCmd( - ClientData clientData, Tcl_Interp *interp, - int objc, Tcl_Obj *const objv[]); -static int ClockParseformatargsObjCmd( - ClientData clientData, Tcl_Interp *interp, - int objc, Tcl_Obj *const objv[]); -static int ClockSecondsObjCmd( - ClientData clientData, Tcl_Interp *interp, - int objc, Tcl_Obj *const objv[]); -static struct tm * ThreadSafeLocalTime(const time_t *); -static void TzsetIfNecessary(void); -static void ClockDeleteCmdProc(ClientData); +static int ConvertUTCToLocalUsingTable(Tcl_Interp *, + TclDateFields *, int, Tcl_Obj *const[], + Tcl_WideInt rangesVal[2]); +static int ConvertUTCToLocalUsingC(Tcl_Interp *, + TclDateFields *, int); +static int ConvertLocalToUTC(ClientData clientData, Tcl_Interp *, + TclDateFields *, Tcl_Obj *timezoneObj, int); +static int ConvertLocalToUTCUsingTable(Tcl_Interp *, + TclDateFields *, int, Tcl_Obj *const[], + Tcl_WideInt rangesVal[2]); +static int ConvertLocalToUTCUsingC(Tcl_Interp *, + TclDateFields *, int); +static int ClockConfigureObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); +static void GetYearWeekDay(TclDateFields *, int); +static void GetGregorianEraYearDay(TclDateFields *, int); +static void GetMonthDay(TclDateFields *); +static int WeekdayOnOrBefore(int, int); +static int ClockClicksObjCmd( + ClientData clientData, Tcl_Interp *interp, + int objc, Tcl_Obj *const objv[]); +static int ClockConvertlocaltoutcObjCmd( + ClientData clientData, Tcl_Interp *interp, + int objc, Tcl_Obj *const objv[]); + +static int ClockGetDateFields(ClientData clientData, + Tcl_Interp *interp, TclDateFields *fields, + Tcl_Obj *timezoneObj, int changeover); +static int ClockGetdatefieldsObjCmd( + ClientData clientData, Tcl_Interp *interp, + int objc, Tcl_Obj *const objv[]); +static int ClockGetjuliandayfromerayearmonthdayObjCmd( + ClientData clientData, Tcl_Interp *interp, + int objc, Tcl_Obj *const objv[]); +static int ClockGetjuliandayfromerayearweekdayObjCmd( + ClientData clientData, Tcl_Interp *interp, + int objc, Tcl_Obj *const objv[]); +static int ClockGetenvObjCmd( + ClientData clientData, Tcl_Interp *interp, + int objc, Tcl_Obj *const objv[]); +static int ClockMicrosecondsObjCmd( + ClientData clientData, Tcl_Interp *interp, + int objc, Tcl_Obj *const objv[]); +static int ClockMillisecondsObjCmd( + ClientData clientData, Tcl_Interp *interp, + int objc, Tcl_Obj *const objv[]); +static int ClockParseformatargsObjCmd( + ClientData clientData, Tcl_Interp *interp, + int objc, Tcl_Obj *const objv[]); +static int ClockSecondsObjCmd( + ClientData clientData, Tcl_Interp *interp, + int objc, Tcl_Obj *const objv[]); +static int ClockFormatObjCmd( + ClientData clientData, Tcl_Interp *interp, + int objc, Tcl_Obj *const objv[]); +static int ClockScanObjCmd( + ClientData clientData, Tcl_Interp *interp, + int objc, Tcl_Obj *const objv[]); +static int ClockFreeScan( + ClientData clientData, Tcl_Interp *interp, + register DateInfo *info, + Tcl_Obj *strObj, ClockFmtScnCmdArgs *opts); +static struct tm * ThreadSafeLocalTime(const time_t *); +static unsigned long TzsetGetEpoch(void); +static void TzsetIfNecessary(void); +static void ClockDeleteCmdProc(ClientData); /* * Structure containing description of "native" clock commands to create. */ struct ClockCommand { - const char *name; /* The tail of the command name. The full name - * is "::tcl::clock::". When NULL marks - * the end of the table. */ - Tcl_ObjCmdProc *objCmdProc; /* Function that implements the command. This - * will always have the ClockClientData sent - * to it, but may well ignore this data. */ + const char *name; /* The tail of the command name. The full name + * is "::tcl::clock::". When NULL marks + * the end of the table. */ + Tcl_ObjCmdProc *objCmdProc; /* Function that implements the command. This + * will always have the ClockClientData sent + * to it, but may well ignore this data. */ }; static const struct ClockCommand clockCommands[] = { - { "clicks", ClockClicksObjCmd }, - { "getenv", ClockGetenvObjCmd }, - { "microseconds", ClockMicrosecondsObjCmd }, - { "milliseconds", ClockMillisecondsObjCmd }, - { "seconds", ClockSecondsObjCmd }, - { "Oldscan", TclClockOldscanObjCmd }, - { "ConvertLocalToUTC", ClockConvertlocaltoutcObjCmd }, - { "GetDateFields", ClockGetdatefieldsObjCmd }, + { "clicks", ClockClicksObjCmd }, + { "getenv", ClockGetenvObjCmd }, + { "microseconds", ClockMicrosecondsObjCmd }, + { "milliseconds", ClockMillisecondsObjCmd }, + { "seconds", ClockSecondsObjCmd }, + { "format", ClockFormatObjCmd }, + { "scan", ClockScanObjCmd }, + { "configure", ClockConfigureObjCmd }, + { "Oldscan", TclClockOldscanObjCmd }, + { "ConvertLocalToUTC", ClockConvertlocaltoutcObjCmd }, + { "GetDateFields", ClockGetdatefieldsObjCmd }, { "GetJulianDayFromEraYearMonthDay", - ClockGetjuliandayfromerayearmonthdayObjCmd }, + ClockGetjuliandayfromerayearmonthdayObjCmd }, { "GetJulianDayFromEraYearWeekDay", - ClockGetjuliandayfromerayearweekdayObjCmd }, - { "ParseFormatArgs", ClockParseformatargsObjCmd }, + ClockGetjuliandayfromerayearweekdayObjCmd }, + { "ParseFormatArgs", ClockParseformatargsObjCmd }, + { "_test", TclStrIdxTreeTestObjCmd }, { NULL, NULL } }; @@ -229,27 +176,27 @@ static const struct ClockCommand clockCommands[] = { * * TclClockInit -- * - * Registers the 'clock' subcommands with the Tcl interpreter and - * initializes its client data (which consists mostly of constant - * Tcl_Obj's that it is too much trouble to keep recreating). + * Registers the 'clock' subcommands with the Tcl interpreter and + * initializes its client data (which consists mostly of constant + * Tcl_Obj's that it is too much trouble to keep recreating). * * Results: - * None. + * None. * * Side effects: - * Installs the commands and creates the client data + * Installs the commands and creates the client data * *---------------------------------------------------------------------- */ void TclClockInit( - Tcl_Interp *interp) /* Tcl interpreter */ + Tcl_Interp *interp) /* Tcl interpreter */ { const struct ClockCommand *clockCmdPtr; - char cmdName[50]; /* Buffer large enough to hold the string - *::tcl::clock::GetJulianDayFromEraYearMonthDay - * plus a terminating NUL. */ + char cmdName[50]; /* Buffer large enough to hold the string + *::tcl::clock::GetJulianDayFromEraYearMonthDay + * plus a terminating NUL. */ ClockClientData *data; int i; @@ -259,7 +206,7 @@ TclClockInit( */ if (Tcl_IsSafe(interp)) { - return; + return; } /* @@ -270,9 +217,33 @@ TclClockInit( data->refCount = 0; data->literals = ckalloc(LIT__END * sizeof(Tcl_Obj*)); for (i = 0; i < LIT__END; ++i) { - data->literals[i] = Tcl_NewStringObj(literals[i], -1); - Tcl_IncrRefCount(data->literals[i]); - } + Tcl_InitObjRef(data->literals[i], Tcl_NewStringObj(Literals[i], -1)); + } + data->mcLiterals = NULL; + data->mcLitIdxs = NULL; + data->LastTZEpoch = 0; + data->currentYearCentury = ClockDefaultYearCentury; + data->yearOfCenturySwitch = ClockDefaultCenturySwitch; + data->SystemTimeZone = NULL; + data->SystemSetupTZData = NULL; + data->GMTSetupTimeZone = NULL; + data->GMTSetupTZData = NULL; + data->AnySetupTimeZone = NULL; + data->AnySetupTZData = NULL; + data->LastUnnormSetupTimeZone = NULL; + data->LastSetupTimeZone = NULL; + data->LastSetupTZData = NULL; + + data->CurrentLocale = NULL; + data->CurrentLocaleDict = NULL; + data->LastUnnormUsedLocale = NULL; + data->LastUsedLocale = NULL; + data->LastUsedLocaleDict = NULL; + + data->lastBase.timezoneObj = NULL; + data->UTC2Local.timezoneObj = NULL; + data->UTC2Local.tzName = NULL; + data->Local2UTC.timezoneObj = NULL; /* * Install the commands. @@ -281,46 +252,730 @@ TclClockInit( #define TCL_CLOCK_PREFIX_LEN 14 /* == strlen("::tcl::clock::") */ memcpy(cmdName, "::tcl::clock::", TCL_CLOCK_PREFIX_LEN); for (clockCmdPtr=clockCommands ; clockCmdPtr->name!=NULL ; clockCmdPtr++) { - strcpy(cmdName + TCL_CLOCK_PREFIX_LEN, clockCmdPtr->name); - data->refCount++; - Tcl_CreateObjCommand(interp, cmdName, clockCmdPtr->objCmdProc, data, - ClockDeleteCmdProc); + strcpy(cmdName + TCL_CLOCK_PREFIX_LEN, clockCmdPtr->name); + data->refCount++; + Tcl_CreateObjCommand(interp, cmdName, clockCmdPtr->objCmdProc, data, + ClockDeleteCmdProc); + } +} + +/* + *---------------------------------------------------------------------- + * + * ClockDeleteCmdProc -- + * + * Remove a reference to the clock client data, and clean up memory + * when it's all gone. + * + * Results: + * None. + * + *---------------------------------------------------------------------- + */ + +static void +ClockConfigureClear( + ClockClientData *data) +{ + ClockFrmScnClearCaches(); + + data->LastTZEpoch = 0; + Tcl_UnsetObjRef(data->SystemTimeZone); + Tcl_UnsetObjRef(data->SystemSetupTZData); + Tcl_UnsetObjRef(data->GMTSetupTimeZone); + Tcl_UnsetObjRef(data->GMTSetupTZData); + Tcl_UnsetObjRef(data->AnySetupTimeZone); + Tcl_UnsetObjRef(data->AnySetupTZData); + Tcl_UnsetObjRef(data->LastUnnormSetupTimeZone); + Tcl_UnsetObjRef(data->LastSetupTimeZone); + Tcl_UnsetObjRef(data->LastSetupTZData); + + Tcl_UnsetObjRef(data->CurrentLocale); + Tcl_UnsetObjRef(data->CurrentLocaleDict); + Tcl_UnsetObjRef(data->LastUnnormUsedLocale); + Tcl_UnsetObjRef(data->LastUsedLocale); + Tcl_UnsetObjRef(data->LastUsedLocaleDict); + + Tcl_UnsetObjRef(data->lastBase.timezoneObj); + Tcl_UnsetObjRef(data->UTC2Local.timezoneObj); + Tcl_UnsetObjRef(data->UTC2Local.tzName); + Tcl_UnsetObjRef(data->Local2UTC.timezoneObj); +} + +static void +ClockDeleteCmdProc( + ClientData clientData) /* Opaque pointer to the client data */ +{ + ClockClientData *data = clientData; + int i; + + if (data->refCount-- <= 1) { + for (i = 0; i < LIT__END; ++i) { + Tcl_DecrRefCount(data->literals[i]); + } + if (data->mcLiterals != NULL) { + for (i = 0; i < MCLIT__END; ++i) { + Tcl_DecrRefCount(data->mcLiterals[i]); + } + data->mcLiterals = NULL; + } + if (data->mcLitIdxs != NULL) { + for (i = 0; i < MCLIT__END; ++i) { + Tcl_DecrRefCount(data->mcLitIdxs[i]); + } + data->mcLitIdxs = NULL; + } + + ClockConfigureClear(data); + + ckfree(data->literals); + ckfree(data); + } +} + +/* + *---------------------------------------------------------------------- + */ +static inline Tcl_Obj * +NormTimezoneObj( + ClockClientData *dataPtr, /* Client data containing literal pool */ + Tcl_Obj *timezoneObj) +{ + const char *tz; + if ( timezoneObj == dataPtr->LastUnnormSetupTimeZone + && dataPtr->LastSetupTimeZone != NULL + ) { + return dataPtr->LastSetupTimeZone; + } + if ( timezoneObj == dataPtr->LastSetupTimeZone + || timezoneObj == dataPtr->literals[LIT_GMT] + || timezoneObj == dataPtr->SystemTimeZone + || timezoneObj == dataPtr->AnySetupTimeZone + ) { + return timezoneObj; + } + + tz = TclGetString(timezoneObj); + if (dataPtr->AnySetupTimeZone != NULL && + (timezoneObj == dataPtr->AnySetupTimeZone + || strcmp(tz, TclGetString(dataPtr->AnySetupTimeZone)) == 0 + ) + ) { + timezoneObj = dataPtr->AnySetupTimeZone; + } + else + if (dataPtr->SystemTimeZone != NULL && + (timezoneObj == dataPtr->SystemTimeZone + || strcmp(tz, TclGetString(dataPtr->SystemTimeZone)) == 0 + ) + ) { + timezoneObj = dataPtr->SystemTimeZone; + } + else + if ( + strcmp(tz, Literals[LIT_GMT]) == 0 + ) { + timezoneObj = dataPtr->literals[LIT_GMT]; + } + return timezoneObj; +} + +/* + *---------------------------------------------------------------------- + */ +static inline Tcl_Obj * +ClockGetSystemLocale( + ClockClientData *dataPtr, /* Opaque pointer to literal pool, etc. */ + Tcl_Interp *interp) /* Tcl interpreter */ +{ + if (Tcl_EvalObjv(interp, 1, &dataPtr->literals[LIT_GETSYSTEMLOCALE], 0) != TCL_OK) { + return NULL; + } + + return Tcl_GetObjResult(interp); +} +/* + *---------------------------------------------------------------------- + */ +static inline Tcl_Obj * +ClockGetCurrentLocale( + ClockClientData *dataPtr, /* Client data containing literal pool */ + Tcl_Interp *interp) /* Tcl interpreter */ +{ + if (Tcl_EvalObjv(interp, 1, &dataPtr->literals[LIT_GETCURRENTLOCALE], 0) != TCL_OK) { + return NULL; + } + + Tcl_SetObjRef(dataPtr->CurrentLocale, Tcl_GetObjResult(interp)); + Tcl_UnsetObjRef(dataPtr->CurrentLocaleDict); + + return dataPtr->CurrentLocale; +} +/* + *---------------------------------------------------------------------- + */ +static Tcl_Obj * +NormLocaleObj( + ClockClientData *dataPtr, /* Client data containing literal pool */ + Tcl_Interp *interp, /* Tcl interpreter */ + Tcl_Obj *localeObj, + Tcl_Obj **mcDictObj) +{ + const char *loc; + if ( localeObj == NULL || localeObj == dataPtr->CurrentLocale + || localeObj == dataPtr->literals[LIT_C] + || localeObj == dataPtr->literals[LIT_CURRENT] + ) { + if (dataPtr->CurrentLocale == NULL) { + ClockGetCurrentLocale(dataPtr, interp); + } + *mcDictObj = dataPtr->CurrentLocaleDict; + return dataPtr->CurrentLocale; + } + if ( localeObj == dataPtr->LastUsedLocale + || localeObj == dataPtr->LastUnnormUsedLocale + ) { + *mcDictObj = dataPtr->LastUsedLocaleDict; + return dataPtr->LastUsedLocale; + } + + loc = TclGetString(localeObj); + if ( dataPtr->CurrentLocale != NULL + && ( localeObj == dataPtr->CurrentLocale + || (localeObj->length == dataPtr->CurrentLocale->length + && strcmp(loc, TclGetString(dataPtr->CurrentLocale)) == 0 + ) + ) + ) { + *mcDictObj = dataPtr->CurrentLocaleDict; + localeObj = dataPtr->CurrentLocale; + } + else + if ( dataPtr->LastUsedLocale != NULL + && ( localeObj == dataPtr->LastUsedLocale + || (localeObj->length == dataPtr->LastUsedLocale->length + && strcmp(loc, TclGetString(dataPtr->LastUsedLocale)) == 0 + ) + ) + ) { + *mcDictObj = dataPtr->LastUsedLocaleDict; + Tcl_SetObjRef(dataPtr->LastUnnormUsedLocale, localeObj); + localeObj = dataPtr->LastUsedLocale; + } + else + if ( + (localeObj->length == 1 /* C */ + && strncasecmp(loc, Literals[LIT_C], localeObj->length) == 0) + || (localeObj->length == 7 /* current */ + && strncasecmp(loc, Literals[LIT_CURRENT], localeObj->length) == 0) + ) { + if (dataPtr->CurrentLocale == NULL) { + ClockGetCurrentLocale(dataPtr, interp); + } + *mcDictObj = dataPtr->CurrentLocaleDict; + localeObj = dataPtr->CurrentLocale; + } + else + if ( + (localeObj->length == 6 /* system */ + && strncasecmp(loc, Literals[LIT_SYSTEM], localeObj->length) == 0) + ) { + Tcl_SetObjRef(dataPtr->LastUnnormUsedLocale, localeObj); + localeObj = ClockGetSystemLocale(dataPtr, interp); + Tcl_SetObjRef(dataPtr->LastUsedLocale, localeObj); + *mcDictObj = NULL; + } + else + { + *mcDictObj = NULL; + } + return localeObj; +} + +/* + *---------------------------------------------------------------------- + */ +MODULE_SCOPE Tcl_Obj * +ClockMCDict(ClockFmtScnCmdArgs *opts) +{ + ClockClientData *dataPtr = opts->clientData; + + /* if dict not yet retrieved */ + if (opts->mcDictObj == NULL) { + + /* if locale was not yet used */ + if ( !(opts->flags & CLF_LOCALE_USED) ) { + + opts->localeObj = NormLocaleObj(opts->clientData, opts->interp, + opts->localeObj, &opts->mcDictObj); + + if (opts->localeObj == NULL) { + Tcl_SetResult(opts->interp, + "locale not specified and no default locale set", TCL_STATIC); + Tcl_SetErrorCode(opts->interp, "CLOCK", "badOption", NULL); + return NULL; + } + opts->flags |= CLF_LOCALE_USED; + + /* check locale literals already available (on demand creation) */ + if (dataPtr->mcLiterals == NULL) { + int i; + dataPtr->mcLiterals = ckalloc(MCLIT__END * sizeof(Tcl_Obj*)); + for (i = 0; i < MCLIT__END; ++i) { + Tcl_InitObjRef(dataPtr->mcLiterals[i], + Tcl_NewStringObj(MsgCtLiterals[i], -1)); + } + } + } + + if (opts->mcDictObj == NULL) { + Tcl_Obj *callargs[2]; + /* get msgcat dictionary - ::tcl::clock::mcget locale */ + callargs[0] = dataPtr->literals[LIT_MCGET]; + callargs[1] = opts->localeObj; + + if (Tcl_EvalObjv(opts->interp, 2, callargs, 0) != TCL_OK) { + return NULL; + } + + opts->mcDictObj = Tcl_GetObjResult(opts->interp); + /* be sure that object reference not increases (dict changeable) */ + if (opts->mcDictObj->refCount > 0) { + /* smart reference (shared dict as object with no ref-counter) */ + opts->mcDictObj = Tcl_DictObjSmartRef(opts->interp, opts->mcDictObj); + } + if ( opts->localeObj == dataPtr->CurrentLocale ) { + Tcl_SetObjRef(dataPtr->CurrentLocaleDict, opts->mcDictObj); + } else if ( opts->localeObj == dataPtr->LastUsedLocale ) { + Tcl_SetObjRef(dataPtr->LastUsedLocaleDict, opts->mcDictObj); + } else { + Tcl_SetObjRef(dataPtr->LastUsedLocale, opts->localeObj); + Tcl_UnsetObjRef(dataPtr->LastUnnormUsedLocale); + Tcl_SetObjRef(dataPtr->LastUsedLocaleDict, opts->mcDictObj); + } + Tcl_ResetResult(opts->interp); + } + } + + return opts->mcDictObj; +} + +MODULE_SCOPE Tcl_Obj * +ClockMCGet( + ClockFmtScnCmdArgs *opts, + int mcKey) +{ + ClockClientData *dataPtr = opts->clientData; + + Tcl_Obj *valObj = NULL; + + if (opts->mcDictObj == NULL) { + ClockMCDict(opts); + if (opts->mcDictObj == NULL) + return NULL; } + + Tcl_DictObjGet(opts->interp, opts->mcDictObj, + dataPtr->mcLiterals[mcKey], &valObj); + + return valObj; /* or NULL in obscure case if Tcl_DictObjGet failed */ } +MODULE_SCOPE Tcl_Obj * +ClockMCGetIdx( + ClockFmtScnCmdArgs *opts, + int mcKey) +{ + ClockClientData *dataPtr = opts->clientData; + + Tcl_Obj *valObj = NULL; + + if (opts->mcDictObj == NULL) { + ClockMCDict(opts); + if (opts->mcDictObj == NULL) + return NULL; + } + + /* try to get indices object */ + if (dataPtr->mcLitIdxs == NULL) { + return NULL; + } + + if (Tcl_DictObjGet(NULL, opts->mcDictObj, + dataPtr->mcLitIdxs[mcKey], &valObj) != TCL_OK + ) { + return NULL; + } + + return valObj; +} + +MODULE_SCOPE int +ClockMCSetIdx( + ClockFmtScnCmdArgs *opts, + int mcKey, Tcl_Obj *valObj) +{ + ClockClientData *dataPtr = opts->clientData; + + if (opts->mcDictObj == NULL) { + ClockMCDict(opts); + if (opts->mcDictObj == NULL) + return TCL_ERROR; + } + + /* if literal storage for indices not yet created */ + if (dataPtr->mcLitIdxs == NULL) { + int i; + dataPtr->mcLitIdxs = ckalloc(MCLIT__END * sizeof(Tcl_Obj*)); + for (i = 0; i < MCLIT__END; ++i) { + Tcl_InitObjRef(dataPtr->mcLitIdxs[i], + Tcl_NewStringObj(MsgCtLitIdxs[i], -1)); + } + } + + return Tcl_DictObjPut(opts->interp, opts->mcDictObj, + dataPtr->mcLitIdxs[mcKey], valObj); +} + +/* + *---------------------------------------------------------------------- + */ +static int +ClockConfigureObjCmd( + ClientData clientData, /* Client data containing literal pool */ + Tcl_Interp *interp, /* Tcl interpreter */ + int objc, /* Parameter count */ + Tcl_Obj *const objv[]) /* Parameter vector */ +{ + ClockClientData *dataPtr = clientData; + Tcl_Obj **litPtr = dataPtr->literals; + + static const char *const options[] = { + "-system-tz", "-setup-tz", "-default-locale", + "-clear", + "-year-century", "-century-switch", + NULL + }; + enum optionInd { + CLOCK_SYSTEM_TZ, CLOCK_SETUP_TZ, CLOCK_CURRENT_LOCALE, + CLOCK_CLEAR_CACHE, + CLOCK_YEAR_CENTURY, CLOCK_CENTURY_SWITCH, + CLOCK_SETUP_GMT, CLOCK_SETUP_NOP + }; + int optionIndex; /* Index of an option. */ + int i; + + for (i = 1; i < objc; i++) { + if (Tcl_GetIndexFromObj(interp, objv[i++], options, + "option", 0, &optionIndex) != TCL_OK) { + Tcl_SetErrorCode(interp, "CLOCK", "badOption", + Tcl_GetString(objv[i-1]), NULL); + return TCL_ERROR; + } + switch (optionIndex) { + case CLOCK_SYSTEM_TZ: + if (1) { + /* validate current tz-epoch */ + unsigned long lastTZEpoch = TzsetGetEpoch(); + if (i < objc) { + if (dataPtr->SystemTimeZone != objv[i]) { + Tcl_SetObjRef(dataPtr->SystemTimeZone, objv[i]); + Tcl_UnsetObjRef(dataPtr->SystemSetupTZData); + } + dataPtr->LastTZEpoch = lastTZEpoch; + } + if (i+1 >= objc && dataPtr->SystemTimeZone != NULL + && dataPtr->LastTZEpoch == lastTZEpoch) { + Tcl_SetObjResult(interp, dataPtr->SystemTimeZone); + } + } + break; + case CLOCK_SETUP_TZ: + if (i < objc) { + /* differentiate GMT and system zones, because used often */ + Tcl_Obj *timezoneObj = NormTimezoneObj(dataPtr, objv[i]); + Tcl_SetObjRef(dataPtr->LastUnnormSetupTimeZone, objv[i]); + if (dataPtr->LastSetupTimeZone != timezoneObj) { + Tcl_SetObjRef(dataPtr->LastSetupTimeZone, timezoneObj); + Tcl_UnsetObjRef(dataPtr->LastSetupTZData); + } + if (timezoneObj == litPtr[LIT_GMT]) { + optionIndex = CLOCK_SETUP_GMT; + } else if (timezoneObj == dataPtr->SystemTimeZone) { + optionIndex = CLOCK_SETUP_NOP; + } + switch (optionIndex) { + case CLOCK_SETUP_GMT: + if (i < objc) { + if (dataPtr->GMTSetupTimeZone != timezoneObj) { + Tcl_SetObjRef(dataPtr->GMTSetupTimeZone, timezoneObj); + Tcl_UnsetObjRef(dataPtr->GMTSetupTZData); + } + } + break; + case CLOCK_SETUP_TZ: + if (i < objc) { + if (dataPtr->AnySetupTimeZone != timezoneObj) { + Tcl_SetObjRef(dataPtr->AnySetupTimeZone, timezoneObj); + Tcl_UnsetObjRef(dataPtr->AnySetupTZData); + } + } + break; + } + } + if (i+1 >= objc && dataPtr->LastSetupTimeZone != NULL) { + Tcl_SetObjResult(interp, dataPtr->LastSetupTimeZone); + } + break; + case CLOCK_CURRENT_LOCALE: + if (i < objc) { + if (dataPtr->CurrentLocale != objv[i]) { + Tcl_SetObjRef(dataPtr->CurrentLocale, objv[i]); + Tcl_UnsetObjRef(dataPtr->CurrentLocaleDict); + } + } + if (i+1 >= objc && dataPtr->CurrentLocale != NULL) { + Tcl_SetObjResult(interp, dataPtr->CurrentLocale); + } + break; + case CLOCK_YEAR_CENTURY: + if (i < objc) { + int year; + if (TclGetIntFromObj(interp, objv[i], &year) != TCL_OK) { + return TCL_ERROR; + } + dataPtr->currentYearCentury = year; + if (i+1 >= objc) { + Tcl_SetObjResult(interp, objv[i]); + } + continue; + } + if (i+1 >= objc) { + Tcl_SetObjResult(interp, + Tcl_NewIntObj(dataPtr->currentYearCentury)); + } + break; + case CLOCK_CENTURY_SWITCH: + if (i < objc) { + int year; + if (TclGetIntFromObj(interp, objv[i], &year) != TCL_OK) { + return TCL_ERROR; + } + dataPtr->yearOfCenturySwitch = year; + Tcl_SetObjResult(interp, objv[i]); + continue; + } + if (i+1 >= objc) { + Tcl_SetObjResult(interp, + Tcl_NewIntObj(dataPtr->yearOfCenturySwitch)); + } + break; + case CLOCK_CLEAR_CACHE: + ClockConfigureClear(dataPtr); + break; + } + } + + return TCL_OK; +} + +/* + *---------------------------------------------------------------------- + */ +static inline Tcl_Obj * +ClockGetTZData( + ClientData clientData, /* Opaque pointer to literal pool, etc. */ + Tcl_Interp *interp, /* Tcl interpreter */ + Tcl_Obj *timezoneObj) /* Name of the timezone */ +{ + ClockClientData *dataPtr = clientData; + Tcl_Obj **literals = dataPtr->literals; + Tcl_Obj *ret, **out = NULL; + + /* if cached (if already setup this one) */ + if ( dataPtr->LastSetupTZData != NULL + && ( timezoneObj == dataPtr->LastSetupTimeZone + || timezoneObj == dataPtr->LastUnnormSetupTimeZone + ) + ) { + return dataPtr->LastSetupTZData; + } + + /* differentiate GMT and system zones, because used often */ + /* simple caching, because almost used the tz-data of last timezone + */ + if (timezoneObj == dataPtr->SystemTimeZone) { + if (dataPtr->SystemSetupTZData != NULL) { + return dataPtr->SystemSetupTZData; + } + out = &dataPtr->SystemSetupTZData; + } + else + if (timezoneObj == dataPtr->GMTSetupTimeZone) { + if (dataPtr->GMTSetupTZData != NULL) { + return dataPtr->GMTSetupTZData; + } + out = &dataPtr->GMTSetupTZData; + } + else + if (timezoneObj == dataPtr->AnySetupTimeZone) { + if (dataPtr->AnySetupTZData != NULL) { + return dataPtr->AnySetupTZData; + } + out = &dataPtr->AnySetupTZData; + } + + ret = Tcl_ObjGetVar2(interp, literals[LIT_TZDATA], + timezoneObj, TCL_LEAVE_ERR_MSG); + + /* cache using corresponding slot and as last used */ + if (out != NULL) { + Tcl_SetObjRef(*out, ret); + } + Tcl_SetObjRef(dataPtr->LastSetupTZData, ret); + if (dataPtr->LastSetupTimeZone != timezoneObj) { + Tcl_SetObjRef(dataPtr->LastSetupTimeZone, timezoneObj); + Tcl_UnsetObjRef(dataPtr->LastUnnormSetupTimeZone); + } + return ret; +} +/* + *---------------------------------------------------------------------- + */ +static Tcl_Obj * +ClockGetSystemTimeZone( + ClientData clientData, /* Opaque pointer to literal pool, etc. */ + Tcl_Interp *interp) /* Tcl interpreter */ +{ + ClockClientData *dataPtr = clientData; + Tcl_Obj **literals; + + /* if known (cached and same epoch) - return now */ + if (dataPtr->SystemTimeZone != NULL + && dataPtr->LastTZEpoch == TzsetGetEpoch()) { + return dataPtr->SystemTimeZone; + } + + Tcl_UnsetObjRef(dataPtr->SystemTimeZone); + Tcl_UnsetObjRef(dataPtr->SystemSetupTZData); + + literals = dataPtr->literals; + + if (Tcl_EvalObjv(interp, 1, &literals[LIT_GETSYSTEMTIMEZONE], 0) != TCL_OK) { + return NULL; + } + if (dataPtr->SystemTimeZone == NULL) { + Tcl_SetObjRef(dataPtr->SystemTimeZone, Tcl_GetObjResult(interp)); + } + return dataPtr->SystemTimeZone; +} +/* + *---------------------------------------------------------------------- + */ +MODULE_SCOPE Tcl_Obj * +ClockSetupTimeZone( + ClientData clientData, /* Opaque pointer to literal pool, etc. */ + Tcl_Interp *interp, /* Tcl interpreter */ + Tcl_Obj *timezoneObj) +{ + ClockClientData *dataPtr = clientData; + Tcl_Obj **literals = dataPtr->literals; + Tcl_Obj *callargs[2]; + + /* if cached (if already setup this one) */ + if ( dataPtr->LastSetupTimeZone != NULL + && ( timezoneObj == dataPtr->LastSetupTimeZone + || timezoneObj == dataPtr->LastUnnormSetupTimeZone + ) + ) { + return dataPtr->LastSetupTimeZone; + } + + /* differentiate GMT and system zones, because used often and already set */ + timezoneObj = NormTimezoneObj(dataPtr, timezoneObj); + if ( timezoneObj == dataPtr->GMTSetupTimeZone + || timezoneObj == dataPtr->SystemTimeZone + || timezoneObj == dataPtr->AnySetupTimeZone + ) { + return timezoneObj; + } + + callargs[0] = literals[LIT_SETUPTIMEZONE]; + callargs[1] = timezoneObj; + + if (Tcl_EvalObjv(interp, 2, callargs, 0) == TCL_OK) { + return dataPtr->LastSetupTimeZone; + } + return NULL; +} +/* + *---------------------------------------------------------------------- + * ClockFormatNumericTimeZone - + * + * Formats a time zone as +hhmmss + * + * Parameters: + * z - Time zone in seconds east of Greenwich + * + * Results: + * Returns the time zone object (formatted in a numeric form) + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +Tcl_Obj * +ClockFormatNumericTimeZone(int z) { + char sign = '+'; + int h, m; + if ( z < 0 ) { + z = -z; + sign = '-'; + } + h = z / 3600; + z %= 3600; + m = z / 60; + z %= 60; + if (z != 0) { + return Tcl_ObjPrintf("%c%02d%02d%02d", sign, h, m, z); + } + return Tcl_ObjPrintf("%c%02d%02d", sign, h, m); +} /* *---------------------------------------------------------------------- * * ClockConvertlocaltoutcObjCmd -- * - * Tcl command that converts a UTC time to a local time by whatever means - * is available. + * Tcl command that converts a UTC time to a local time by whatever means + * is available. * * Usage: - * ::tcl::clock::ConvertUTCToLocal dictionary tzdata changeover + * ::tcl::clock::ConvertUTCToLocal dictionary timezone changeover * * Parameters: - * dict - Dictionary containing a 'localSeconds' entry. - * tzdata - Time zone data - * changeover - Julian Day of the adoption of the Gregorian calendar. + * dict - Dictionary containing a 'localSeconds' entry. + * timezone - Time zone + * changeover - Julian Day of the adoption of the Gregorian calendar. * * Results: - * Returns a standard Tcl result. + * Returns a standard Tcl result. * * Side effects: - * On success, sets the interpreter result to the given dictionary - * augmented with a 'seconds' field giving the UTC time. On failure, - * leaves an error message in the interpreter result. + * On success, sets the interpreter result to the given dictionary + * augmented with a 'seconds' field giving the UTC time. On failure, + * leaves an error message in the interpreter result. * *---------------------------------------------------------------------- */ static int ClockConvertlocaltoutcObjCmd( - ClientData clientData, /* Client data */ - Tcl_Interp *interp, /* Tcl interpreter */ - int objc, /* Parameter count */ - Tcl_Obj *const *objv) /* Parameter vector */ + ClientData clientData, /* Client data */ + Tcl_Interp *interp, /* Tcl interpreter */ + int objc, /* Parameter count */ + Tcl_Obj *const *objv) /* Parameter vector */ { ClockClientData *data = clientData; Tcl_Obj *const *literals = data->literals; @@ -331,29 +986,30 @@ ClockConvertlocaltoutcObjCmd( int created = 0; int status; + fields.tzName = NULL; /* * Check params and convert time. */ if (objc != 4) { - Tcl_WrongNumArgs(interp, 1, objv, "dict tzdata changeover"); - return TCL_ERROR; + Tcl_WrongNumArgs(interp, 1, objv, "dict timezone changeover"); + return TCL_ERROR; } dict = objv[1]; if (Tcl_DictObjGet(interp, dict, literals[LIT_LOCALSECONDS], - &secondsObj)!= TCL_OK) { - return TCL_ERROR; + &secondsObj)!= TCL_OK) { + return TCL_ERROR; } if (secondsObj == NULL) { - Tcl_SetObjResult(interp, Tcl_NewStringObj("key \"localseconds\" not " - "found in dictionary", -1)); - return TCL_ERROR; + Tcl_SetObjResult(interp, Tcl_NewStringObj("key \"localseconds\" not " + "found in dictionary", -1)); + return TCL_ERROR; } if ((Tcl_GetWideIntFromObj(interp, secondsObj, - &fields.localSeconds) != TCL_OK) - || (TclGetIntFromObj(interp, objv[3], &changeover) != TCL_OK) - || ConvertLocalToUTC(interp, &fields, objv[2], changeover)) { - return TCL_ERROR; + &fields.localSeconds) != TCL_OK) + || (TclGetIntFromObj(interp, objv[3], &changeover) != TCL_OK) + || ConvertLocalToUTC(clientData, interp, &fields, objv[2], changeover)) { + return TCL_ERROR; } /* @@ -362,17 +1018,17 @@ ClockConvertlocaltoutcObjCmd( */ if (Tcl_IsShared(dict)) { - dict = Tcl_DuplicateObj(dict); - created = 1; - Tcl_IncrRefCount(dict); + dict = Tcl_DuplicateObj(dict); + created = 1; + Tcl_IncrRefCount(dict); } status = Tcl_DictObjPut(interp, dict, literals[LIT_SECONDS], - Tcl_NewWideIntObj(fields.seconds)); + Tcl_NewWideIntObj(fields.seconds)); if (status == TCL_OK) { - Tcl_SetObjResult(interp, dict); + Tcl_SetObjResult(interp, dict); } if (created) { - Tcl_DecrRefCount(dict); + Tcl_DecrRefCount(dict); } return status; } @@ -382,37 +1038,36 @@ ClockConvertlocaltoutcObjCmd( * * ClockGetdatefieldsObjCmd -- * - * Tcl command that determines the values that [clock format] will use in - * formatting a date, and populates a dictionary with them. + * Tcl command that determines the values that [clock format] will use in + * formatting a date, and populates a dictionary with them. * * Usage: - * ::tcl::clock::GetDateFields seconds tzdata changeover + * ::tcl::clock::GetDateFields seconds timezone changeover * * Parameters: - * seconds - Time expressed in seconds from the Posix epoch. - * tzdata - Time zone data of the time zone in which time is to be - * expressed. - * changeover - Julian Day Number at which the current locale adopted - * the Gregorian calendar + * seconds - Time expressed in seconds from the Posix epoch. + * timezone - Time zone in which time is to be expressed. + * changeover - Julian Day Number at which the current locale adopted + * the Gregorian calendar * * Results: - * Returns a dictonary populated with the fields: - * seconds - Seconds from the Posix epoch - * localSeconds - Nominal seconds from the Posix epoch in the - * local time zone. - * tzOffset - Time zone offset in seconds east of Greenwich - * tzName - Time zone name - * julianDay - Julian Day Number in the local time zone + * Returns a dictonary populated with the fields: + * seconds - Seconds from the Posix epoch + * localSeconds - Nominal seconds from the Posix epoch in the + * local time zone. + * tzOffset - Time zone offset in seconds east of Greenwich + * tzName - Time zone name + * julianDay - Julian Day Number in the local time zone * *---------------------------------------------------------------------- */ int ClockGetdatefieldsObjCmd( - ClientData clientData, /* Opaque pointer to literal pool, etc. */ - Tcl_Interp *interp, /* Tcl interpreter */ - int objc, /* Parameter count */ - Tcl_Obj *const *objv) /* Parameter vector */ + ClientData clientData, /* Opaque pointer to literal pool, etc. */ + Tcl_Interp *interp, /* Tcl interpreter */ + int objc, /* Parameter count */ + Tcl_Obj *const *objv) /* Parameter vector */ { TclDateFields fields; Tcl_Obj *dict; @@ -420,17 +1075,19 @@ ClockGetdatefieldsObjCmd( Tcl_Obj *const *literals = data->literals; int changeover; + fields.tzName = NULL; + /* * Check params. */ if (objc != 4) { - Tcl_WrongNumArgs(interp, 1, objv, "seconds tzdata changeover"); - return TCL_ERROR; + Tcl_WrongNumArgs(interp, 1, objv, "seconds timezone changeover"); + return TCL_ERROR; } if (Tcl_GetWideIntFromObj(interp, objv[1], &fields.seconds) != TCL_OK - || TclGetIntFromObj(interp, objv[3], &changeover) != TCL_OK) { - return TCL_ERROR; + || TclGetIntFromObj(interp, objv[3], &changeover) != TCL_OK) { + return TCL_ERROR; } /* @@ -439,84 +1096,109 @@ ClockGetdatefieldsObjCmd( */ if (objv[1]->typePtr == &tclBignumType) { - Tcl_SetObjResult(interp, literals[LIT_INTEGER_VALUE_TOO_LARGE]); - return TCL_ERROR; + Tcl_SetObjResult(interp, literals[LIT_INTEGER_VALUE_TOO_LARGE]); + return TCL_ERROR; } - /* - * Convert UTC time to local. - */ + /* Extract fields */ - if (ConvertUTCToLocal(interp, &fields, objv[2], changeover) != TCL_OK) { - return TCL_ERROR; + if (ClockGetDateFields(clientData, interp, &fields, objv[2], + changeover) != TCL_OK) { + return TCL_ERROR; } - /* - * Extract Julian day. - */ - - fields.julianDay = (int) ((fields.localSeconds + JULIAN_SEC_POSIX_EPOCH) - / SECONDS_PER_DAY); - - /* - * Convert to Julian or Gregorian calendar. - */ - - GetGregorianEraYearDay(&fields, changeover); - GetMonthDay(&fields); - GetYearWeekDay(&fields, changeover); + /* Make dict of fields */ dict = Tcl_NewDictObj(); Tcl_DictObjPut(NULL, dict, literals[LIT_LOCALSECONDS], - Tcl_NewWideIntObj(fields.localSeconds)); + Tcl_NewWideIntObj(fields.localSeconds)); Tcl_DictObjPut(NULL, dict, literals[LIT_SECONDS], - Tcl_NewWideIntObj(fields.seconds)); + Tcl_NewWideIntObj(fields.seconds)); Tcl_DictObjPut(NULL, dict, literals[LIT_TZNAME], fields.tzName); Tcl_DecrRefCount(fields.tzName); Tcl_DictObjPut(NULL, dict, literals[LIT_TZOFFSET], - Tcl_NewIntObj(fields.tzOffset)); + Tcl_NewIntObj(fields.tzOffset)); Tcl_DictObjPut(NULL, dict, literals[LIT_JULIANDAY], - Tcl_NewIntObj(fields.julianDay)); + Tcl_NewIntObj(fields.julianDay)); Tcl_DictObjPut(NULL, dict, literals[LIT_GREGORIAN], - Tcl_NewIntObj(fields.gregorian)); + Tcl_NewIntObj(fields.gregorian)); Tcl_DictObjPut(NULL, dict, literals[LIT_ERA], - literals[fields.era ? LIT_BCE : LIT_CE]); + literals[fields.era ? LIT_BCE : LIT_CE]); Tcl_DictObjPut(NULL, dict, literals[LIT_YEAR], - Tcl_NewIntObj(fields.year)); + Tcl_NewIntObj(fields.year)); Tcl_DictObjPut(NULL, dict, literals[LIT_DAYOFYEAR], - Tcl_NewIntObj(fields.dayOfYear)); + Tcl_NewIntObj(fields.dayOfYear)); Tcl_DictObjPut(NULL, dict, literals[LIT_MONTH], - Tcl_NewIntObj(fields.month)); + Tcl_NewIntObj(fields.month)); Tcl_DictObjPut(NULL, dict, literals[LIT_DAYOFMONTH], - Tcl_NewIntObj(fields.dayOfMonth)); + Tcl_NewIntObj(fields.dayOfMonth)); Tcl_DictObjPut(NULL, dict, literals[LIT_ISO8601YEAR], - Tcl_NewIntObj(fields.iso8601Year)); + Tcl_NewIntObj(fields.iso8601Year)); Tcl_DictObjPut(NULL, dict, literals[LIT_ISO8601WEEK], - Tcl_NewIntObj(fields.iso8601Week)); + Tcl_NewIntObj(fields.iso8601Week)); Tcl_DictObjPut(NULL, dict, literals[LIT_DAYOFWEEK], - Tcl_NewIntObj(fields.dayOfWeek)); + Tcl_NewIntObj(fields.dayOfWeek)); Tcl_SetObjResult(interp, dict); return TCL_OK; } +/* + *---------------------------------------------------------------------- + */ +int +ClockGetDateFields( + ClientData clientData, /* Client data of the interpreter */ + Tcl_Interp *interp, /* Tcl interpreter */ + TclDateFields *fields, /* Pointer to result fields, where + * fields->seconds contains date to extract */ + Tcl_Obj *timezoneObj, /* Time zone object or NULL for gmt */ + int changeover) /* Julian Day Number */ +{ + /* + * Convert UTC time to local. + */ + + if (ConvertUTCToLocal(clientData, interp, fields, timezoneObj, + changeover) != TCL_OK) { + return TCL_ERROR; + } + + /* + * Extract Julian day. + */ + + fields->julianDay = (int) ((fields->localSeconds + JULIAN_SEC_POSIX_EPOCH) + / SECONDS_PER_DAY); + + /* + * Convert to Julian or Gregorian calendar. + */ + + GetGregorianEraYearDay(fields, changeover); + GetMonthDay(fields); + GetYearWeekDay(fields, changeover); + + return TCL_OK; +} + /* *---------------------------------------------------------------------- * * ClockGetjuliandayfromerayearmonthdayObjCmd -- * - * Tcl command that converts a time from era-year-month-day to a Julian - * Day Number. + * Tcl command that converts a time from era-year-month-day to a Julian + * Day Number. * * Parameters: - * dict - Dictionary that contains 'era', 'year', 'month' and - * 'dayOfMonth' keys. - * changeover - Julian Day of changeover to the Gregorian calendar + * dict - Dictionary that contains 'era', 'year', 'month' and + * 'dayOfMonth' keys. + * changeover - Julian Day of changeover to the Gregorian calendar * * Results: - * Result is either TCL_OK, with the interpreter result being the - * dictionary augmented with a 'julianDay' key, or TCL_ERROR, - * with the result being an error message. + * Result is either TCL_OK, with the interpreter result being the + * dictionary augmented with a 'julianDay' key, or TCL_ERROR, + * with the result being an error message. * *---------------------------------------------------------------------- */ @@ -531,12 +1213,12 @@ FetchEraField( Tcl_Obj *value = NULL; if (Tcl_DictObjGet(interp, dict, key, &value) != TCL_OK) { - return TCL_ERROR; + return TCL_ERROR; } if (value == NULL) { - Tcl_SetObjResult(interp, Tcl_NewStringObj( - "expected key(s) not found in dictionary", -1)); - return TCL_ERROR; + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "expected key(s) not found in dictionary", -1)); + return TCL_ERROR; } return Tcl_GetIndexFromObj(interp, value, eras, "era", TCL_EXACT, storePtr); } @@ -551,22 +1233,22 @@ FetchIntField( Tcl_Obj *value = NULL; if (Tcl_DictObjGet(interp, dict, key, &value) != TCL_OK) { - return TCL_ERROR; + return TCL_ERROR; } if (value == NULL) { - Tcl_SetObjResult(interp, Tcl_NewStringObj( - "expected key(s) not found in dictionary", -1)); - return TCL_ERROR; + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "expected key(s) not found in dictionary", -1)); + return TCL_ERROR; } return TclGetIntFromObj(interp, value, storePtr); } static int ClockGetjuliandayfromerayearmonthdayObjCmd( - ClientData clientData, /* Opaque pointer to literal pool, etc. */ - Tcl_Interp *interp, /* Tcl interpreter */ - int objc, /* Parameter count */ - Tcl_Obj *const *objv) /* Parameter vector */ + ClientData clientData, /* Opaque pointer to literal pool, etc. */ + Tcl_Interp *interp, /* Tcl interpreter */ + int objc, /* Parameter count */ + Tcl_Obj *const *objv) /* Parameter vector */ { TclDateFields fields; Tcl_Obj *dict; @@ -577,24 +1259,26 @@ ClockGetjuliandayfromerayearmonthdayObjCmd( int status; int era = 0; + fields.tzName = NULL; + /* * Check params. */ if (objc != 3) { - Tcl_WrongNumArgs(interp, 1, objv, "dict changeover"); - return TCL_ERROR; + Tcl_WrongNumArgs(interp, 1, objv, "dict changeover"); + return TCL_ERROR; } dict = objv[1]; if (FetchEraField(interp, dict, literals[LIT_ERA], &era) != TCL_OK - || FetchIntField(interp, dict, literals[LIT_YEAR], &fields.year) - != TCL_OK - || FetchIntField(interp, dict, literals[LIT_MONTH], &fields.month) - != TCL_OK - || FetchIntField(interp, dict, literals[LIT_DAYOFMONTH], - &fields.dayOfMonth) != TCL_OK - || TclGetIntFromObj(interp, objv[2], &changeover) != TCL_OK) { - return TCL_ERROR; + || FetchIntField(interp, dict, literals[LIT_YEAR], &fields.year) + != TCL_OK + || FetchIntField(interp, dict, literals[LIT_MONTH], &fields.month) + != TCL_OK + || FetchIntField(interp, dict, literals[LIT_DAYOFMONTH], + &fields.dayOfMonth) != TCL_OK + || TclGetIntFromObj(interp, objv[2], &changeover) != TCL_OK) { + return TCL_ERROR; } fields.era = era; @@ -609,17 +1293,17 @@ ClockGetjuliandayfromerayearmonthdayObjCmd( */ if (Tcl_IsShared(dict)) { - dict = Tcl_DuplicateObj(dict); - Tcl_IncrRefCount(dict); - copied = 1; + dict = Tcl_DuplicateObj(dict); + Tcl_IncrRefCount(dict); + copied = 1; } status = Tcl_DictObjPut(interp, dict, literals[LIT_JULIANDAY], - Tcl_NewIntObj(fields.julianDay)); + Tcl_NewIntObj(fields.julianDay)); if (status == TCL_OK) { - Tcl_SetObjResult(interp, dict); + Tcl_SetObjResult(interp, dict); } if (copied) { - Tcl_DecrRefCount(dict); + Tcl_DecrRefCount(dict); } return status; } @@ -629,28 +1313,28 @@ ClockGetjuliandayfromerayearmonthdayObjCmd( * * ClockGetjuliandayfromerayearweekdayObjCmd -- * - * Tcl command that converts a time from the ISO calendar to a Julian Day - * Number. + * Tcl command that converts a time from the ISO calendar to a Julian Day + * Number. * * Parameters: - * dict - Dictionary that contains 'era', 'iso8601Year', 'iso8601Week' - * and 'dayOfWeek' keys. - * changeover - Julian Day of changeover to the Gregorian calendar + * dict - Dictionary that contains 'era', 'iso8601Year', 'iso8601Week' + * and 'dayOfWeek' keys. + * changeover - Julian Day of changeover to the Gregorian calendar * * Results: - * Result is either TCL_OK, with the interpreter result being the - * dictionary augmented with a 'julianDay' key, or TCL_ERROR, with the - * result being an error message. + * Result is either TCL_OK, with the interpreter result being the + * dictionary augmented with a 'julianDay' key, or TCL_ERROR, with the + * result being an error message. * *---------------------------------------------------------------------- */ static int ClockGetjuliandayfromerayearweekdayObjCmd( - ClientData clientData, /* Opaque pointer to literal pool, etc. */ - Tcl_Interp *interp, /* Tcl interpreter */ - int objc, /* Parameter count */ - Tcl_Obj *const *objv) /* Parameter vector */ + ClientData clientData, /* Opaque pointer to literal pool, etc. */ + Tcl_Interp *interp, /* Tcl interpreter */ + int objc, /* Parameter count */ + Tcl_Obj *const *objv) /* Parameter vector */ { TclDateFields fields; Tcl_Obj *dict; @@ -661,24 +1345,26 @@ ClockGetjuliandayfromerayearweekdayObjCmd( int status; int era = 0; + fields.tzName = NULL; + /* * Check params. */ if (objc != 3) { - Tcl_WrongNumArgs(interp, 1, objv, "dict changeover"); - return TCL_ERROR; + Tcl_WrongNumArgs(interp, 1, objv, "dict changeover"); + return TCL_ERROR; } dict = objv[1]; if (FetchEraField(interp, dict, literals[LIT_ERA], &era) != TCL_OK - || FetchIntField(interp, dict, literals[LIT_ISO8601YEAR], - &fields.iso8601Year) != TCL_OK - || FetchIntField(interp, dict, literals[LIT_ISO8601WEEK], - &fields.iso8601Week) != TCL_OK - || FetchIntField(interp, dict, literals[LIT_DAYOFWEEK], - &fields.dayOfWeek) != TCL_OK - || TclGetIntFromObj(interp, objv[2], &changeover) != TCL_OK) { - return TCL_ERROR; + || FetchIntField(interp, dict, literals[LIT_ISO8601YEAR], + &fields.iso8601Year) != TCL_OK + || FetchIntField(interp, dict, literals[LIT_ISO8601WEEK], + &fields.iso8601Week) != TCL_OK + || FetchIntField(interp, dict, literals[LIT_DAYOFWEEK], + &fields.dayOfWeek) != TCL_OK + || TclGetIntFromObj(interp, objv[2], &changeover) != TCL_OK) { + return TCL_ERROR; } fields.era = era; @@ -693,17 +1379,17 @@ ClockGetjuliandayfromerayearweekdayObjCmd( */ if (Tcl_IsShared(dict)) { - dict = Tcl_DuplicateObj(dict); - Tcl_IncrRefCount(dict); - copied = 1; + dict = Tcl_DuplicateObj(dict); + Tcl_IncrRefCount(dict); + copied = 1; } status = Tcl_DictObjPut(interp, dict, literals[LIT_JULIANDAY], - Tcl_NewIntObj(fields.julianDay)); + Tcl_NewIntObj(fields.julianDay)); if (status == TCL_OK) { - Tcl_SetObjResult(interp, dict); + Tcl_SetObjResult(interp, dict); } if (copied) { - Tcl_DecrRefCount(dict); + Tcl_DecrRefCount(dict); } return status; } @@ -713,35 +1399,87 @@ ClockGetjuliandayfromerayearweekdayObjCmd( * * ConvertLocalToUTC -- * - * Converts a time (in a TclDateFields structure) from the local wall - * clock to UTC. + * Converts a time (in a TclDateFields structure) from the local wall + * clock to UTC. * * Results: - * Returns a standard Tcl result. + * Returns a standard Tcl result. * * Side effects: - * Populates the 'seconds' field if successful; stores an error message - * in the interpreter result on failure. + * Populates the 'seconds' field if successful; stores an error message + * in the interpreter result on failure. * *---------------------------------------------------------------------- */ static int ConvertLocalToUTC( - Tcl_Interp *interp, /* Tcl interpreter */ - TclDateFields *fields, /* Fields of the time */ - Tcl_Obj *tzdata, /* Time zone data */ - int changeover) /* Julian Day of the Gregorian transition */ + ClientData clientData, /* Client data of the interpreter */ + Tcl_Interp *interp, /* Tcl interpreter */ + TclDateFields *fields, /* Fields of the time */ + Tcl_Obj *timezoneObj, /* Time zone */ + int changeover) /* Julian Day of the Gregorian transition */ { - int rowc; /* Number of rows in tzdata */ - Tcl_Obj **rowv; /* Pointers to the rows */ + ClockClientData *dataPtr = clientData; + Tcl_Obj *tzdata; /* Time zone data */ + int rowc; /* Number of rows in tzdata */ + Tcl_Obj **rowv; /* Pointers to the rows */ + Tcl_WideInt seconds; + + /* fast phase-out for shared GMT-object (don't need to convert UTC 2 UTC) */ + if (timezoneObj == dataPtr->GMTSetupTimeZone && dataPtr->GMTSetupTimeZone != NULL) { + fields->seconds = fields->localSeconds; + fields->tzOffset = 0; + return TCL_OK; + } + + /* + * Check cacheable conversion could be used + * (last-period Local2UTC cache within the same TZ) + */ + seconds = fields->localSeconds - dataPtr->Local2UTC.tzOffset; + if ( timezoneObj == dataPtr->Local2UTC.timezoneObj + && ( fields->localSeconds == dataPtr->Local2UTC.localSeconds + || ( seconds >= dataPtr->Local2UTC.rangesVal[0] + && seconds < dataPtr->Local2UTC.rangesVal[1]) + ) + && changeover == dataPtr->Local2UTC.changeover + ) { + /* the same time zone and offset (UTC time inside the last minute) */ + fields->tzOffset = dataPtr->Local2UTC.tzOffset; + fields->seconds = seconds; + return TCL_OK; + } + + /* + * Check cacheable back-conversion could be used + * (last-period UTC2Local cache within the same TZ) + */ + seconds = fields->localSeconds - dataPtr->UTC2Local.tzOffset; + if ( timezoneObj == dataPtr->UTC2Local.timezoneObj + && ( seconds == dataPtr->UTC2Local.seconds + || ( seconds >= dataPtr->UTC2Local.rangesVal[0] + && seconds < dataPtr->UTC2Local.rangesVal[1]) + ) + && changeover == dataPtr->UTC2Local.changeover + ) { + /* the same time zone and offset (UTC time inside the last minute) */ + fields->tzOffset = dataPtr->UTC2Local.tzOffset; + fields->seconds = seconds; + return TCL_OK; + } /* * Unpack the tz data. */ + tzdata = ClockGetTZData(clientData, interp, timezoneObj); + if (tzdata == NULL) { + return TCL_ERROR; + } + if (TclListObjGetElements(interp, tzdata, &rowc, &rowv) != TCL_OK) { - return TCL_ERROR; + return TCL_ERROR; } /* @@ -750,10 +1488,26 @@ ConvertLocalToUTC( */ if (rowc == 0) { - return ConvertLocalToUTCUsingC(interp, fields, changeover); + dataPtr->Local2UTC.rangesVal[0] = 0; + dataPtr->Local2UTC.rangesVal[1] = 0; + + if (ConvertLocalToUTCUsingC(interp, fields, changeover) != TCL_OK) { + return TCL_ERROR; + }; } else { - return ConvertLocalToUTCUsingTable(interp, fields, rowc, rowv); + if (ConvertLocalToUTCUsingTable(interp, fields, rowc, rowv, + dataPtr->Local2UTC.rangesVal) != TCL_OK) { + return TCL_ERROR; + }; } + + /* Cache the last conversion */ + Tcl_SetObjRef(dataPtr->Local2UTC.timezoneObj, timezoneObj); + dataPtr->Local2UTC.localSeconds = fields->localSeconds; + dataPtr->Local2UTC.changeover = changeover; + dataPtr->Local2UTC.tzOffset = fields->tzOffset; + + return TCL_OK; } /* @@ -761,25 +1515,26 @@ ConvertLocalToUTC( * * ConvertLocalToUTCUsingTable -- * - * Converts a time (in a TclDateFields structure) from local time in a - * given time zone to UTC. + * Converts a time (in a TclDateFields structure) from local time in a + * given time zone to UTC. * * Results: - * Returns a standard Tcl result. + * Returns a standard Tcl result. * * Side effects: - * Stores an error message in the interpreter if an error occurs; if - * successful, stores the 'seconds' field in 'fields. + * Stores an error message in the interpreter if an error occurs; if + * successful, stores the 'seconds' field in 'fields. * *---------------------------------------------------------------------- */ static int ConvertLocalToUTCUsingTable( - Tcl_Interp *interp, /* Tcl interpreter */ - TclDateFields *fields, /* Time to convert, with 'seconds' filled in */ - int rowc, /* Number of points at which time changes */ - Tcl_Obj *const rowv[]) /* Points at which time changes */ + Tcl_Interp *interp, /* Tcl interpreter */ + TclDateFields *fields, /* Time to convert, with 'seconds' filled in */ + int rowc, /* Number of points at which time changes */ + Tcl_Obj *const rowv[], /* Points at which time changes */ + Tcl_WideInt rangesVal[2]) /* Return bounds for time period */ { Tcl_Obj *row; int cellc; @@ -803,31 +1558,66 @@ ConvertLocalToUTCUsingTable( fields->tzOffset = 0; fields->seconds = fields->localSeconds; while (!found) { - row = LookupLastTransition(interp, fields->seconds, rowc, rowv); - if ((row == NULL) - || TclListObjGetElements(interp, row, &cellc, - &cellv) != TCL_OK - || TclGetIntFromObj(interp, cellv[1], - &fields->tzOffset) != TCL_OK) { - return TCL_ERROR; - } - found = 0; - for (i = 0; !found && i < nHave; ++i) { - if (have[i] == fields->tzOffset) { - found = 1; - break; - } - } - if (!found) { - if (nHave == 8) { - Tcl_Panic("loop in ConvertLocalToUTCUsingTable"); - } - have[nHave++] = fields->tzOffset; - } - fields->seconds = fields->localSeconds - fields->tzOffset; + row = LookupLastTransition(interp, fields->seconds, rowc, rowv, + rangesVal); + if ((row == NULL) + || TclListObjGetElements(interp, row, &cellc, + &cellv) != TCL_OK + || TclGetIntFromObj(interp, cellv[1], + &fields->tzOffset) != TCL_OK) { + return TCL_ERROR; + } + found = 0; + for (i = 0; !found && i < nHave; ++i) { + if (have[i] == fields->tzOffset) { + found = 1; + break; + } + } + if (!found) { + if (nHave == 8) { + Tcl_Panic("loop in ConvertLocalToUTCUsingTable"); + } + have[nHave++] = fields->tzOffset; + } + fields->seconds = fields->localSeconds - fields->tzOffset; } fields->tzOffset = have[i]; fields->seconds = fields->localSeconds - fields->tzOffset; + +#if 0 + /* + * Convert back from UTC, if local times are different - wrong local time + * (local time seems to be in between DST-hole). + */ + if (fields->tzOffset) { + + int corrOffset; + Tcl_WideInt backCompVal; + /* check DST-hole interval contains UTC time */ + Tcl_GetWideIntFromObj(NULL, cellv[0], &backCompVal); + if ( fields->seconds >= backCompVal - fields->tzOffset + && fields->seconds <= backCompVal + fields->tzOffset + ) { + row = LookupLastTransition(interp, fields->seconds, rowc, rowv); + if (row == NULL || + TclListObjGetElements(interp, row, &cellc, &cellv) != TCL_OK || + TclGetIntFromObj(interp, cellv[1], &corrOffset) != TCL_OK) { + return TCL_ERROR; + } + if (fields->localSeconds != fields->seconds + corrOffset) { + Tcl_Panic("wrong local time %ld by LocalToUTC conversion," + " local time seems to be in between DST-hole", + fields->localSeconds); + /* correcting offset * / + fields->tzOffset -= corrOffset; + fields->seconds += fields->tzOffset; + */ + } + } + } +#endif + return TCL_OK; } @@ -836,24 +1626,24 @@ ConvertLocalToUTCUsingTable( * * ConvertLocalToUTCUsingC -- * - * Converts a time from local wall clock to UTC when the local time zone - * cannot be determined. Uses 'mktime' to do the job. + * Converts a time from local wall clock to UTC when the local time zone + * cannot be determined. Uses 'mktime' to do the job. * * Results: - * Returns a standard Tcl result. + * Returns a standard Tcl result. * * Side effects: - * Stores an error message in the interpreter if an error occurs; if - * successful, stores the 'seconds' field in 'fields. + * Stores an error message in the interpreter if an error occurs; if + * successful, stores the 'seconds' field in 'fields. * *---------------------------------------------------------------------- */ static int ConvertLocalToUTCUsingC( - Tcl_Interp *interp, /* Tcl interpreter */ - TclDateFields *fields, /* Time to convert, with 'seconds' filled in */ - int changeover) /* Julian Day of the Gregorian transition */ + Tcl_Interp *interp, /* Tcl interpreter */ + TclDateFields *fields, /* Time to convert, with 'seconds' filled in */ + int changeover) /* Julian Day of the Gregorian transition */ { struct tm timeVal; int localErrno; @@ -868,8 +1658,8 @@ ConvertLocalToUTCUsingC( fields->julianDay = (int) (jsec / SECONDS_PER_DAY); secondOfDay = (int)(jsec % SECONDS_PER_DAY); if (secondOfDay < 0) { - secondOfDay += SECONDS_PER_DAY; - fields->julianDay--; + secondOfDay += SECONDS_PER_DAY; + fields->julianDay--; } GetGregorianEraYearDay(fields, changeover); GetMonthDay(fields); @@ -905,10 +1695,10 @@ ConvertLocalToUTCUsingC( */ if (localErrno != 0 - || (fields->seconds == -1 && timeVal.tm_yday == -1)) { - Tcl_SetObjResult(interp, Tcl_NewStringObj( - "time value too large/small to represent", -1)); - return TCL_ERROR; + || (fields->seconds == -1 && timeVal.tm_yday == -1)) { + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "time value too large/small to represent", -1)); + return TCL_ERROR; } return TCL_OK; } @@ -918,33 +1708,74 @@ ConvertLocalToUTCUsingC( * * ConvertUTCToLocal -- * - * Converts a time (in a TclDateFields structure) from UTC to local time. + * Converts a time (in a TclDateFields structure) from UTC to local time. * * Results: - * Returns a standard Tcl result. + * Returns a standard Tcl result. * * Side effects: - * Populates the 'tzName' and 'tzOffset' fields. + * Populates the 'tzName' and 'tzOffset' fields. * *---------------------------------------------------------------------- */ -static int +MODULE_SCOPE int ConvertUTCToLocal( - Tcl_Interp *interp, /* Tcl interpreter */ - TclDateFields *fields, /* Fields of the time */ - Tcl_Obj *tzdata, /* Time zone data */ - int changeover) /* Julian Day of the Gregorian transition */ + ClientData clientData, /* Client data of the interpreter */ + Tcl_Interp *interp, /* Tcl interpreter */ + TclDateFields *fields, /* Fields of the time */ + Tcl_Obj *timezoneObj, /* Time zone */ + int changeover) /* Julian Day of the Gregorian transition */ { - int rowc; /* Number of rows in tzdata */ - Tcl_Obj **rowv; /* Pointers to the rows */ + ClockClientData *dataPtr = clientData; + Tcl_Obj *tzdata; /* Time zone data */ + int rowc; /* Number of rows in tzdata */ + Tcl_Obj **rowv; /* Pointers to the rows */ + + /* fast phase-out for shared GMT-object (don't need to convert UTC 2 UTC) */ + if (timezoneObj == dataPtr->GMTSetupTimeZone + && dataPtr->GMTSetupTimeZone != NULL + && dataPtr->GMTSetupTZData != NULL + ) { + fields->localSeconds = fields->seconds; + fields->tzOffset = 0; + if ( TclListObjGetElements(interp, dataPtr->GMTSetupTZData, &rowc, &rowv) != TCL_OK + || Tcl_ListObjIndex(interp, rowv[0], 3, &fields->tzName) != TCL_OK) { + return TCL_ERROR; + } + Tcl_IncrRefCount(fields->tzName); + return TCL_OK; + } + + /* + * Check cacheable conversion could be used + * (last-period UTC2Local cache within the same TZ) + */ + if ( timezoneObj == dataPtr->UTC2Local.timezoneObj + && ( fields->seconds == dataPtr->UTC2Local.seconds + || ( fields->seconds >= dataPtr->UTC2Local.rangesVal[0] + && fields->seconds < dataPtr->UTC2Local.rangesVal[1]) + ) + && changeover == dataPtr->UTC2Local.changeover + ) { + /* the same time zone and offset (UTC time inside the last minute) */ + Tcl_SetObjRef(fields->tzName, dataPtr->UTC2Local.tzName); + fields->tzOffset = dataPtr->UTC2Local.tzOffset; + fields->localSeconds = fields->seconds + fields->tzOffset; + return TCL_OK; + } /* * Unpack the tz data. */ + tzdata = ClockGetTZData(clientData, interp, timezoneObj); + if (tzdata == NULL) { + return TCL_ERROR; + } + if (TclListObjGetElements(interp, tzdata, &rowc, &rowv) != TCL_OK) { - return TCL_ERROR; + return TCL_ERROR; } /* @@ -953,10 +1784,26 @@ ConvertUTCToLocal( */ if (rowc == 0) { - return ConvertUTCToLocalUsingC(interp, fields, changeover); + dataPtr->UTC2Local.rangesVal[0] = 0; + dataPtr->UTC2Local.rangesVal[1] = 0; + + if (ConvertUTCToLocalUsingC(interp, fields, changeover) != TCL_OK) { + return TCL_ERROR; + } } else { - return ConvertUTCToLocalUsingTable(interp, fields, rowc, rowv); - } + if (ConvertUTCToLocalUsingTable(interp, fields, rowc, rowv, + dataPtr->UTC2Local.rangesVal) != TCL_OK) { + return TCL_ERROR; + } + } + + /* Cache the last conversion */ + Tcl_SetObjRef(dataPtr->UTC2Local.timezoneObj, timezoneObj); + dataPtr->UTC2Local.seconds = fields->seconds; + dataPtr->UTC2Local.changeover = changeover; + dataPtr->UTC2Local.tzOffset = fields->tzOffset; + Tcl_SetObjRef(dataPtr->UTC2Local.tzName, fields->tzName); + return TCL_OK; } /* @@ -964,48 +1811,48 @@ ConvertUTCToLocal( * * ConvertUTCToLocalUsingTable -- * - * Converts UTC to local time, given a table of transition points + * Converts UTC to local time, given a table of transition points * * Results: - * Returns a standard Tcl result + * Returns a standard Tcl result * * Side effects: - * On success, fills fields->tzName, fields->tzOffset and - * fields->localSeconds. On failure, places an error message in the - * interpreter result. + * On success, fills fields->tzName, fields->tzOffset and + * fields->localSeconds. On failure, places an error message in the + * interpreter result. * *---------------------------------------------------------------------- */ static int ConvertUTCToLocalUsingTable( - Tcl_Interp *interp, /* Tcl interpreter */ - TclDateFields *fields, /* Fields of the date */ - int rowc, /* Number of rows in the conversion table - * (>= 1) */ - Tcl_Obj *const rowv[]) /* Rows of the conversion table */ + Tcl_Interp *interp, /* Tcl interpreter */ + TclDateFields *fields, /* Fields of the date */ + int rowc, /* Number of rows in the conversion table + * (>= 1) */ + Tcl_Obj *const rowv[], /* Rows of the conversion table */ + Tcl_WideInt rangesVal[2]) /* Return bounds for time period */ { - Tcl_Obj *row; /* Row containing the current information */ - int cellc; /* Count of cells in the row (must be 4) */ - Tcl_Obj **cellv; /* Pointers to the cells */ + Tcl_Obj *row; /* Row containing the current information */ + int cellc; /* Count of cells in the row (must be 4) */ + Tcl_Obj **cellv; /* Pointers to the cells */ /* * Look up the nearest transition time. */ - row = LookupLastTransition(interp, fields->seconds, rowc, rowv); + row = LookupLastTransition(interp, fields->seconds, rowc, rowv, rangesVal); if (row == NULL || - TclListObjGetElements(interp, row, &cellc, &cellv) != TCL_OK || - TclGetIntFromObj(interp, cellv[1], &fields->tzOffset) != TCL_OK) { - return TCL_ERROR; + TclListObjGetElements(interp, row, &cellc, &cellv) != TCL_OK || + TclGetIntFromObj(interp, cellv[1], &fields->tzOffset) != TCL_OK) { + return TCL_ERROR; } /* * Convert the time. */ - fields->tzName = cellv[3]; - Tcl_IncrRefCount(fields->tzName); + Tcl_SetObjRef(fields->tzName, cellv[3]); fields->localSeconds = fields->seconds + fields->tzOffset; return TCL_OK; } @@ -1015,30 +1862,30 @@ ConvertUTCToLocalUsingTable( * * ConvertUTCToLocalUsingC -- * - * Converts UTC to localtime in cases where the local time zone is not - * determinable, using the C 'localtime' function to do it. + * Converts UTC to localtime in cases where the local time zone is not + * determinable, using the C 'localtime' function to do it. * * Results: - * Returns a standard Tcl result. + * Returns a standard Tcl result. * * Side effects: - * On success, fills fields->tzName, fields->tzOffset and - * fields->localSeconds. On failure, places an error message in the - * interpreter result. + * On success, fills fields->tzName, fields->tzOffset and + * fields->localSeconds. On failure, places an error message in the + * interpreter result. * *---------------------------------------------------------------------- */ static int ConvertUTCToLocalUsingC( - Tcl_Interp *interp, /* Tcl interpreter */ - TclDateFields *fields, /* Time to convert, with 'seconds' filled in */ - int changeover) /* Julian Day of the Gregorian transition */ + Tcl_Interp *interp, /* Tcl interpreter */ + TclDateFields *fields, /* Time to convert, with 'seconds' filled in */ + int changeover) /* Julian Day of the Gregorian transition */ { time_t tock; - struct tm *timeVal; /* Time after conversion */ - int diff; /* Time zone diff local-Greenwich */ - char buffer[8]; /* Buffer for time zone name */ + struct tm *timeVal; /* Time after conversion */ + int diff; /* Time zone diff local-Greenwich */ + char buffer[8]; /* Buffer for time zone name */ /* * Use 'localtime' to determine local year, month, day, time of day. @@ -1046,19 +1893,19 @@ ConvertUTCToLocalUsingC( tock = (time_t) fields->seconds; if ((Tcl_WideInt) tock != fields->seconds) { - Tcl_SetObjResult(interp, Tcl_NewStringObj( - "number too large to represent as a Posix time", -1)); - Tcl_SetErrorCode(interp, "CLOCK", "argTooLarge", NULL); - return TCL_ERROR; + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "number too large to represent as a Posix time", -1)); + Tcl_SetErrorCode(interp, "CLOCK", "argTooLarge", NULL); + return TCL_ERROR; } TzsetIfNecessary(); timeVal = ThreadSafeLocalTime(&tock); if (timeVal == NULL) { - Tcl_SetObjResult(interp, Tcl_NewStringObj( - "localtime failed (clock value may be too " - "large/small to represent)", -1)); - Tcl_SetErrorCode(interp, "CLOCK", "localtimeFailed", NULL); - return TCL_ERROR; + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "localtime failed (clock value may be too " + "large/small to represent)", -1)); + Tcl_SetErrorCode(interp, "CLOCK", "localtimeFailed", NULL); + return TCL_ERROR; } /* @@ -1076,8 +1923,8 @@ ConvertUTCToLocalUsingC( */ fields->localSeconds = (((fields->julianDay * (Tcl_WideInt) 24 - + timeVal->tm_hour) * 60 + timeVal->tm_min) * 60 - + timeVal->tm_sec) - JULIAN_SEC_POSIX_EPOCH; + + timeVal->tm_hour) * 60 + timeVal->tm_min) * 60 + + timeVal->tm_sec) - JULIAN_SEC_POSIX_EPOCH; /* * Determine a time zone offset and name; just use +hhmm for the name. @@ -1086,20 +1933,19 @@ ConvertUTCToLocalUsingC( diff = (int) (fields->localSeconds - fields->seconds); fields->tzOffset = diff; if (diff < 0) { - *buffer = '-'; - diff = -diff; + *buffer = '-'; + diff = -diff; } else { - *buffer = '+'; + *buffer = '+'; } sprintf(buffer+1, "%02d", diff / 3600); diff %= 3600; sprintf(buffer+3, "%02d", diff / 60); diff %= 60; if (diff > 0) { - sprintf(buffer+5, "%02d", diff); + sprintf(buffer+5, "%02d", diff); } - fields->tzName = Tcl_NewStringObj(buffer, -1); - Tcl_IncrRefCount(fields->tzName); + Tcl_SetObjRef(fields->tzName, Tcl_NewStringObj(buffer, -1)); return TCL_OK; } @@ -1108,34 +1954,35 @@ ConvertUTCToLocalUsingC( * * LookupLastTransition -- * - * Given a UTC time and a tzdata array, looks up the last transition on - * or before the given time. + * Given a UTC time and a tzdata array, looks up the last transition on + * or before the given time. * * Results: - * Returns a pointer to the row, or NULL if an error occurs. + * Returns a pointer to the row, or NULL if an error occurs. * *---------------------------------------------------------------------- */ -static Tcl_Obj * +MODULE_SCOPE Tcl_Obj * LookupLastTransition( - Tcl_Interp *interp, /* Interpreter for error messages */ - Tcl_WideInt tick, /* Time from the epoch */ - int rowc, /* Number of rows of tzdata */ - Tcl_Obj *const *rowv) /* Rows in tzdata */ + Tcl_Interp *interp, /* Interpreter for error messages */ + Tcl_WideInt tick, /* Time from the epoch */ + int rowc, /* Number of rows of tzdata */ + Tcl_Obj *const *rowv, /* Rows in tzdata */ + Tcl_WideInt rangesVal[2]) /* Return bounds for time period */ { - int l; + int l = 0; int u; Tcl_Obj *compObj; - Tcl_WideInt compVal; + Tcl_WideInt compVal, fromVal = tick, toVal = tick; /* * Examine the first row to make sure we're in bounds. */ if (Tcl_ListObjIndex(interp, rowv[0], 0, &compObj) != TCL_OK - || Tcl_GetWideIntFromObj(interp, compObj, &compVal) != TCL_OK) { - return NULL; + || Tcl_GetWideIntFromObj(interp, compObj, &compVal) != TCL_OK) { + return NULL; } /* @@ -1144,27 +1991,35 @@ LookupLastTransition( */ if (tick < compVal) { - return rowv[0]; + goto done; } /* * Binary-search to find the transition. */ - l = 0; u = rowc-1; while (l < u) { - int m = (l + u + 1) / 2; - - if (Tcl_ListObjIndex(interp, rowv[m], 0, &compObj) != TCL_OK || - Tcl_GetWideIntFromObj(interp, compObj, &compVal) != TCL_OK) { - return NULL; - } - if (tick >= compVal) { - l = m; - } else { - u = m-1; - } + int m = (l + u + 1) / 2; + + if (Tcl_ListObjIndex(interp, rowv[m], 0, &compObj) != TCL_OK || + Tcl_GetWideIntFromObj(interp, compObj, &compVal) != TCL_OK) { + return NULL; + } + if (tick >= compVal) { + l = m; + fromVal = compVal; + } else { + u = m-1; + toVal = compVal; + } + } + +done: + + if (rangesVal) { + rangesVal[0] = fromVal; + rangesVal[1] = toVal; } return rowv[l]; } @@ -1174,28 +2029,30 @@ LookupLastTransition( * * GetYearWeekDay -- * - * Given a date with Julian Calendar Day, compute the year, week, and day - * in the ISO8601 calendar. + * Given a date with Julian Calendar Day, compute the year, week, and day + * in the ISO8601 calendar. * * Results: - * None. + * None. * * Side effects: - * Stores 'iso8601Year', 'iso8601Week' and 'dayOfWeek' in the date - * fields. + * Stores 'iso8601Year', 'iso8601Week' and 'dayOfWeek' in the date + * fields. * *---------------------------------------------------------------------- */ static void GetYearWeekDay( - TclDateFields *fields, /* Date to convert, must have 'julianDay' */ - int changeover) /* Julian Day Number of the Gregorian - * transition */ + TclDateFields *fields, /* Date to convert, must have 'julianDay' */ + int changeover) /* Julian Day Number of the Gregorian + * transition */ { TclDateFields temp; int dayOfFiscalYear; + temp.tzName = NULL; + /* * Find the given date, minus three days, plus one year. That date's * iso8601 year is an upper bound on the ISO8601 year of the given date. @@ -1204,9 +2061,9 @@ GetYearWeekDay( temp.julianDay = fields->julianDay - 3; GetGregorianEraYearDay(&temp, changeover); if (temp.era == BCE) { - temp.iso8601Year = temp.year - 1; + temp.iso8601Year = temp.year - 1; } else { - temp.iso8601Year = temp.year + 1; + temp.iso8601Year = temp.year + 1; } temp.iso8601Week = 1; temp.dayOfWeek = 1; @@ -1219,12 +2076,12 @@ GetYearWeekDay( */ if (fields->julianDay < temp.julianDay) { - if (temp.era == BCE) { - temp.iso8601Year += 1; - } else { - temp.iso8601Year -= 1; - } - GetJulianDayFromEraYearWeekDay(&temp, changeover); + if (temp.era == BCE) { + temp.iso8601Year += 1; + } else { + temp.iso8601Year -= 1; + } + GetJulianDayFromEraYearWeekDay(&temp, changeover); } fields->iso8601Year = temp.iso8601Year; @@ -1232,7 +2089,7 @@ GetYearWeekDay( fields->iso8601Week = (dayOfFiscalYear / 7) + 1; fields->dayOfWeek = (dayOfFiscalYear + 1) % 7; if (fields->dayOfWeek < 1) { - fields->dayOfWeek += 7; + fields->dayOfWeek += 7; } } @@ -1241,23 +2098,23 @@ GetYearWeekDay( * * GetGregorianEraYearDay -- * - * Given a Julian Day Number, extracts the year and day of the year and - * puts them into TclDateFields, along with the era (BCE or CE) and a - * flag indicating whether the date is Gregorian or Julian. + * Given a Julian Day Number, extracts the year and day of the year and + * puts them into TclDateFields, along with the era (BCE or CE) and a + * flag indicating whether the date is Gregorian or Julian. * * Results: - * None. + * None. * * Side effects: - * Stores 'era', 'gregorian', 'year', and 'dayOfYear'. + * Stores 'era', 'gregorian', 'year', and 'dayOfYear'. * *---------------------------------------------------------------------- */ static void GetGregorianEraYearDay( - TclDateFields *fields, /* Date fields containing 'julianDay' */ - int changeover) /* Gregorian transition date */ + TclDateFields *fields, /* Date fields containing 'julianDay' */ + int changeover) /* Gregorian transition date */ { int jday = fields->julianDay; int day; @@ -1265,51 +2122,51 @@ GetGregorianEraYearDay( int n; if (jday >= changeover) { - /* - * Gregorian calendar. - */ - - fields->gregorian = 1; - year = 1; - - /* - * n = Number of 400-year cycles since 1 January, 1 CE in the - * proleptic Gregorian calendar. day = remaining days. - */ - - day = jday - JDAY_1_JAN_1_CE_GREGORIAN; - n = day / FOUR_CENTURIES; - day %= FOUR_CENTURIES; - if (day < 0) { - day += FOUR_CENTURIES; - n--; - } - year += 400 * n; - - /* - * n = number of centuries since the start of (year); - * day = remaining days - */ - - n = day / ONE_CENTURY_GREGORIAN; - day %= ONE_CENTURY_GREGORIAN; - if (n > 3) { - /* - * 31 December in the last year of a 400-year cycle. - */ - - n = 3; - day += ONE_CENTURY_GREGORIAN; - } - year += 100 * n; + /* + * Gregorian calendar. + */ + + fields->gregorian = 1; + year = 1; + + /* + * n = Number of 400-year cycles since 1 January, 1 CE in the + * proleptic Gregorian calendar. day = remaining days. + */ + + day = jday - JDAY_1_JAN_1_CE_GREGORIAN; + n = day / FOUR_CENTURIES; + day %= FOUR_CENTURIES; + if (day < 0) { + day += FOUR_CENTURIES; + n--; + } + year += 400 * n; + + /* + * n = number of centuries since the start of (year); + * day = remaining days + */ + + n = day / ONE_CENTURY_GREGORIAN; + day %= ONE_CENTURY_GREGORIAN; + if (n > 3) { + /* + * 31 December in the last year of a 400-year cycle. + */ + + n = 3; + day += ONE_CENTURY_GREGORIAN; + } + year += 100 * n; } else { - /* - * Julian calendar. - */ + /* + * Julian calendar. + */ - fields->gregorian = 0; - year = 1; - day = jday - JDAY_1_JAN_1_CE_JULIAN; + fields->gregorian = 0; + year = 1; + day = jday - JDAY_1_JAN_1_CE_JULIAN; } /* @@ -1319,8 +2176,8 @@ GetGregorianEraYearDay( n = day / FOUR_YEARS; day %= FOUR_YEARS; if (day < 0) { - day += FOUR_YEARS; - n--; + day += FOUR_YEARS; + n--; } year += 4 * n; @@ -1331,12 +2188,12 @@ GetGregorianEraYearDay( n = day / ONE_YEAR; day %= ONE_YEAR; if (n > 3) { - /* - * 31 December of a leap year. - */ + /* + * 31 December of a leap year. + */ - n = 3; - day += 365; + n = 3; + day += 365; } year += n; @@ -1345,11 +2202,11 @@ GetGregorianEraYearDay( */ if (year <= 0) { - fields->era = BCE; - fields->year = 1 - year; + fields->era = BCE; + fields->year = 1 - year; } else { - fields->era = CE; - fields->year = year; + fields->era = CE; + fields->year = year; } fields->dayOfYear = day + 1; } @@ -1359,27 +2216,27 @@ GetGregorianEraYearDay( * * GetMonthDay -- * - * Given a date as year and day-of-year, find month and day. + * Given a date as year and day-of-year, find month and day. * * Results: - * None. + * None. * * Side effects: - * Stores 'month' and 'dayOfMonth' in the 'fields' structure. + * Stores 'month' and 'dayOfMonth' in the 'fields' structure. * *---------------------------------------------------------------------- */ static void GetMonthDay( - TclDateFields *fields) /* Date to convert */ + TclDateFields *fields) /* Date to convert */ { int day = fields->dayOfYear; int month; const int *h = hath[IsGregorianLeapYear(fields)]; for (month = 0; month < 12 && day > h[month]; ++month) { - day -= h[month]; + day -= h[month]; } fields->month = month+1; fields->dayOfMonth = day; @@ -1390,28 +2247,30 @@ GetMonthDay( * * GetJulianDayFromEraYearWeekDay -- * - * Given a TclDateFields structure containing era, ISO8601 year, ISO8601 - * week, and day of week, computes the Julian Day Number. + * Given a TclDateFields structure containing era, ISO8601 year, ISO8601 + * week, and day of week, computes the Julian Day Number. * * Results: - * None. + * None. * * Side effects: - * Stores 'julianDay' in the fields. + * Stores 'julianDay' in the fields. * *---------------------------------------------------------------------- */ -static void +MODULE_SCOPE void GetJulianDayFromEraYearWeekDay( - TclDateFields *fields, /* Date to convert */ - int changeover) /* Julian Day Number of the Gregorian - * transition */ + TclDateFields *fields, /* Date to convert */ + int changeover) /* Julian Day Number of the Gregorian + * transition */ { - int firstMonday; /* Julian day number of week 1, day 1 in the - * given year */ + int firstMonday; /* Julian day number of week 1, day 1 in the + * given year */ TclDateFields firstWeek; + firstWeek.tzName = NULL; + /* * Find January 4 in the ISO8601 year, which will always be in week 1. */ @@ -1433,7 +2292,7 @@ GetJulianDayFromEraYearWeekDay( */ fields->julianDay = firstMonday + 7 * (fields->iso8601Week - 1) - + fields->dayOfWeek - 1; + + fields->dayOfWeek - 1; } /* @@ -1441,29 +2300,29 @@ GetJulianDayFromEraYearWeekDay( * * GetJulianDayFromEraYearMonthDay -- * - * Given era, year, month, and dayOfMonth (in TclDateFields), and the - * Gregorian transition date, computes the Julian Day Number. + * Given era, year, month, and dayOfMonth (in TclDateFields), and the + * Gregorian transition date, computes the Julian Day Number. * * Results: - * None. + * None. * * Side effects: - * Stores day number in 'julianDay' + * Stores day number in 'julianDay' * *---------------------------------------------------------------------- */ -static void +MODULE_SCOPE void GetJulianDayFromEraYearMonthDay( - TclDateFields *fields, /* Date to convert */ - int changeover) /* Gregorian transition date as a Julian Day */ + TclDateFields *fields, /* Date to convert */ + int changeover) /* Gregorian transition date as a Julian Day */ { int year, ym1, month, mm1, q, r, ym1o4, ym1o100, ym1o400; if (fields->era == BCE) { - year = 1 - fields->year; + year = 1 - fields->year; } else { - year = fields->year; + year = fields->year; } /* @@ -1475,8 +2334,8 @@ GetJulianDayFromEraYearMonthDay( q = mm1 / 12; r = (mm1 % 12); if (r < 0) { - r += 12; - q -= 1; + r += 12; + q -= 1; } year += q; month = r + 1; @@ -1488,11 +2347,11 @@ GetJulianDayFromEraYearMonthDay( fields->gregorian = 1; if (year < 1) { - fields->era = BCE; - fields->year = 1-year; + fields->era = BCE; + fields->year = 1-year; } else { - fields->era = CE; - fields->year = year; + fields->era = CE; + fields->year = year; } /* @@ -1513,23 +2372,23 @@ GetJulianDayFromEraYearMonthDay( } #endif if (ym1 % 4 < 0) { - ym1o4--; + ym1o4--; } ym1o100 = ym1 / 100; if (ym1 % 100 < 0) { - ym1o100--; + ym1o100--; } ym1o400 = ym1 / 400; if (ym1 % 400 < 0) { - ym1o400--; + ym1o400--; } fields->julianDay = JDAY_1_JAN_1_CE_GREGORIAN - 1 - + fields->dayOfMonth - + daysInPriorMonths[IsGregorianLeapYear(fields)][month - 1] - + (ONE_YEAR * ym1) - + ym1o4 - - ym1o100 - + ym1o400; + + fields->dayOfMonth + + daysInPriorMonths[IsGregorianLeapYear(fields)][month - 1] + + (ONE_YEAR * ym1) + + ym1o4 + - ym1o100 + + ym1o400; /* * If the resulting date is before the Gregorian changeover, convert in @@ -1537,50 +2396,88 @@ GetJulianDayFromEraYearMonthDay( */ if (fields->julianDay < changeover) { - fields->gregorian = 0; - fields->julianDay = JDAY_1_JAN_1_CE_JULIAN - 1 - + fields->dayOfMonth - + daysInPriorMonths[year%4 == 0][month - 1] - + (365 * ym1) - + ym1o4; + fields->gregorian = 0; + fields->julianDay = JDAY_1_JAN_1_CE_JULIAN - 1 + + fields->dayOfMonth + + daysInPriorMonths[year%4 == 0][month - 1] + + (365 * ym1) + + ym1o4; } } +/* + *---------------------------------------------------------------------- + */ +MODULE_SCOPE void +GetJulianDayFromEraYearDay( + TclDateFields *fields, /* Date to convert */ + int changeover) /* Gregorian transition date as a Julian Day */ +{ + int year, ym1; + + /* Get absolute year number from the civil year */ + if (fields->era == BCE) { + year = 1 - fields->year; + } else { + year = fields->year; + } + + ym1 = year - 1; + + /* Try the Gregorian calendar first. */ + fields->gregorian = 1; + fields->julianDay = + 1721425 + + fields->dayOfYear + + ( 365 * ym1 ) + + ( ym1 / 4 ) + - ( ym1 / 100 ) + + ( ym1 / 400 ); + + /* If the date is before the Gregorian change, use the Julian calendar. */ + + if ( fields->julianDay < changeover ) { + fields->gregorian = 0; + fields->julianDay = + 1721423 + + fields->dayOfYear + + ( 365 * ym1 ) + + ( ym1 / 4 ); + } +} /* *---------------------------------------------------------------------- * * IsGregorianLeapYear -- * - * Tests whether a given year is a leap year, in either Julian or - * Gregorian calendar. + * Tests whether a given year is a leap year, in either Julian or + * Gregorian calendar. * * Results: - * Returns 1 for a leap year, 0 otherwise. + * Returns 1 for a leap year, 0 otherwise. * *---------------------------------------------------------------------- */ -static int +MODULE_SCOPE int IsGregorianLeapYear( - TclDateFields *fields) /* Date to test */ + TclDateFields *fields) /* Date to test */ { - int year; + int year = fields->year; if (fields->era == BCE) { - year = 1 - fields->year; - } else { - year = fields->year; + year = 1 - year; } if (year%4 != 0) { - return 0; + return 0; } else if (!(fields->gregorian)) { - return 1; + return 1; } else if (year%400 == 0) { - return 1; + return 1; } else if (year%100 == 0) { - return 0; + return 0; } else { - return 1; + return 1; } } @@ -1589,23 +2486,23 @@ IsGregorianLeapYear( * * WeekdayOnOrBefore -- * - * Finds the Julian Day Number of a given day of the week that falls on - * or before a given date, expressed as Julian Day Number. + * Finds the Julian Day Number of a given day of the week that falls on + * or before a given date, expressed as Julian Day Number. * * Results: - * Returns the Julian Day Number + * Returns the Julian Day Number * *---------------------------------------------------------------------- */ static int WeekdayOnOrBefore( - int dayOfWeek, /* Day of week; Sunday == 0 or 7 */ - int julianDay) /* Reference date */ + int dayOfWeek, /* Day of week; Sunday == 0 or 7 */ + int julianDay) /* Reference date */ { int k = (dayOfWeek + 6) % 7; if (k < 0) { - k += 7; + k += 7; } return julianDay - ((julianDay - k) % 7); } @@ -1615,18 +2512,18 @@ WeekdayOnOrBefore( * * ClockGetenvObjCmd -- * - * Tcl command that reads an environment variable from the system + * Tcl command that reads an environment variable from the system * * Usage: - * ::tcl::clock::getEnv NAME + * ::tcl::clock::getEnv NAME * * Parameters: - * NAME - Name of the environment variable desired + * NAME - Name of the environment variable desired * * Results: - * Returns a standard Tcl result. Returns an error if the variable does - * not exist, with a message left in the interpreter. Returns TCL_OK and - * the value of the variable if the variable does exist, + * Returns a standard Tcl result. Returns an error if the variable does + * not exist, with a message left in the interpreter. Returns TCL_OK and + * the value of the variable if the variable does exist, * *---------------------------------------------------------------------- */ @@ -1642,13 +2539,13 @@ ClockGetenvObjCmd( const char *varValue; if (objc != 2) { - Tcl_WrongNumArgs(interp, 1, objv, "name"); - return TCL_ERROR; + Tcl_WrongNumArgs(interp, 1, objv, "name"); + return TCL_ERROR; } varName = TclGetString(objv[1]); varValue = getenv(varName); if (varValue == NULL) { - varValue = ""; + varValue = ""; } Tcl_SetObjResult(interp, Tcl_NewStringObj(varValue, -1)); return TCL_OK; @@ -1659,22 +2556,22 @@ ClockGetenvObjCmd( * * ThreadSafeLocalTime -- * - * Wrapper around the 'localtime' library function to make it thread - * safe. + * Wrapper around the 'localtime' library function to make it thread + * safe. * * Results: - * Returns a pointer to a 'struct tm' in thread-specific data. + * Returns a pointer to a 'struct tm' in thread-specific data. * * Side effects: - * Invokes localtime or localtime_r as appropriate. + * Invokes localtime or localtime_r as appropriate. * *---------------------------------------------------------------------- */ static struct tm * ThreadSafeLocalTime( - const time_t *timePtr) /* Pointer to the number of seconds since the - * local system's epoch */ + const time_t *timePtr) /* Pointer to the number of seconds since the + * local system's epoch */ { /* * Get a thread-local buffer to hold the returned time. @@ -1689,8 +2586,8 @@ ThreadSafeLocalTime( Tcl_MutexLock(&clockMutex); sysTmPtr = localtime(timePtr); if (sysTmPtr == NULL) { - Tcl_MutexUnlock(&clockMutex); - return NULL; + Tcl_MutexUnlock(&clockMutex); + return NULL; } memcpy(tmPtr, localtime(timePtr), sizeof(struct tm)); Tcl_MutexUnlock(&clockMutex); @@ -1702,13 +2599,13 @@ ThreadSafeLocalTime( * * ClockClicksObjCmd -- * - * Returns a high-resolution counter. + * Returns a high-resolution counter. * * Results: - * Returns a standard Tcl result. + * Returns a standard Tcl result. * * Side effects: - * None. + * None. * * This function implements the 'clock clicks' Tcl command. Refer to the user * documentation for details on what it does. @@ -1718,16 +2615,16 @@ ThreadSafeLocalTime( int ClockClicksObjCmd( - ClientData clientData, /* Client data is unused */ - Tcl_Interp *interp, /* Tcl interpreter */ - int objc, /* Parameter count */ - Tcl_Obj *const *objv) /* Parameter values */ + ClientData clientData, /* Client data is unused */ + Tcl_Interp *interp, /* Tcl interpreter */ + int objc, /* Parameter count */ + Tcl_Obj *const *objv) /* Parameter values */ { static const char *const clicksSwitches[] = { - "-milliseconds", "-microseconds", NULL + "-milliseconds", "-microseconds", NULL }; enum ClicksSwitch { - CLICKS_MILLIS, CLICKS_MICROS, CLICKS_NATIVE + CLICKS_MILLIS, CLICKS_MICROS, CLICKS_NATIVE }; int index = CLICKS_NATIVE; Tcl_Time now; @@ -1735,34 +2632,34 @@ ClockClicksObjCmd( switch (objc) { case 1: - break; + break; case 2: - if (Tcl_GetIndexFromObj(interp, objv[1], clicksSwitches, "option", 0, - &index) != TCL_OK) { - return TCL_ERROR; - } - break; + if (Tcl_GetIndexFromObj(interp, objv[1], clicksSwitches, "option", 0, + &index) != TCL_OK) { + return TCL_ERROR; + } + break; default: - Tcl_WrongNumArgs(interp, 1, objv, "?-switch?"); - return TCL_ERROR; + Tcl_WrongNumArgs(interp, 1, objv, "?-switch?"); + return TCL_ERROR; } switch (index) { case CLICKS_MILLIS: - Tcl_GetTime(&now); - clicks = (Tcl_WideInt) now.sec * 1000 + now.usec / 1000; - break; + Tcl_GetTime(&now); + clicks = (Tcl_WideInt) now.sec * 1000 + now.usec / 1000; + break; case CLICKS_NATIVE: #ifdef TCL_WIDE_CLICKS - clicks = TclpGetWideClicks(); + clicks = TclpGetWideClicks(); #else - clicks = (Tcl_WideInt) TclpGetClicks(); + clicks = (Tcl_WideInt) TclpGetClicks(); #endif - break; + break; case CLICKS_MICROS: - Tcl_GetTime(&now); - clicks = ((Tcl_WideInt) now.sec * 1000000) + now.usec; - break; + Tcl_GetTime(&now); + clicks = ((Tcl_WideInt) now.sec * 1000000) + now.usec; + break; } Tcl_SetObjResult(interp, Tcl_NewWideIntObj(clicks)); @@ -1773,13 +2670,13 @@ ClockClicksObjCmd( * * ClockMillisecondsObjCmd - * - * Returns a count of milliseconds since the epoch. + * Returns a count of milliseconds since the epoch. * * Results: - * Returns a standard Tcl result. + * Returns a standard Tcl result. * * Side effects: - * None. + * None. * * This function implements the 'clock milliseconds' Tcl command. Refer to the * user documentation for details on what it does. @@ -1789,20 +2686,20 @@ ClockClicksObjCmd( int ClockMillisecondsObjCmd( - ClientData clientData, /* Client data is unused */ - Tcl_Interp *interp, /* Tcl interpreter */ - int objc, /* Parameter count */ - Tcl_Obj *const *objv) /* Parameter values */ + ClientData clientData, /* Client data is unused */ + Tcl_Interp *interp, /* Tcl interpreter */ + int objc, /* Parameter count */ + Tcl_Obj *const *objv) /* Parameter values */ { Tcl_Time now; if (objc != 1) { - Tcl_WrongNumArgs(interp, 1, objv, NULL); - return TCL_ERROR; + Tcl_WrongNumArgs(interp, 1, objv, NULL); + return TCL_ERROR; } Tcl_GetTime(&now); Tcl_SetObjResult(interp, Tcl_NewWideIntObj((Tcl_WideInt) - now.sec * 1000 + now.usec / 1000)); + now.sec * 1000 + now.usec / 1000)); return TCL_OK; } @@ -1810,13 +2707,13 @@ ClockMillisecondsObjCmd( * * ClockMicrosecondsObjCmd - * - * Returns a count of microseconds since the epoch. + * Returns a count of microseconds since the epoch. * * Results: - * Returns a standard Tcl result. + * Returns a standard Tcl result. * * Side effects: - * None. + * None. * * This function implements the 'clock microseconds' Tcl command. Refer to the * user documentation for details on what it does. @@ -1826,20 +2723,122 @@ ClockMillisecondsObjCmd( int ClockMicrosecondsObjCmd( - ClientData clientData, /* Client data is unused */ - Tcl_Interp *interp, /* Tcl interpreter */ - int objc, /* Parameter count */ - Tcl_Obj *const *objv) /* Parameter values */ + ClientData clientData, /* Client data is unused */ + Tcl_Interp *interp, /* Tcl interpreter */ + int objc, /* Parameter count */ + Tcl_Obj *const *objv) /* Parameter values */ { Tcl_Time now; if (objc != 1) { - Tcl_WrongNumArgs(interp, 1, objv, NULL); - return TCL_ERROR; + Tcl_WrongNumArgs(interp, 1, objv, NULL); + return TCL_ERROR; } Tcl_GetTime(&now); Tcl_SetObjResult(interp, Tcl_NewWideIntObj( - ((Tcl_WideInt) now.sec * 1000000) + now.usec)); + ((Tcl_WideInt) now.sec * 1000000) + now.usec)); + return TCL_OK; +} + + +static int +_ClockParseFmtScnArgs( + ClientData clientData, /* Client data containing literal pool */ + Tcl_Interp *interp, /* Tcl interpreter */ + int objc, /* Parameter count */ + Tcl_Obj *const objv[], /* Parameter vector */ + ClockFmtScnCmdArgs *opts, /* Result vector: format, locale, timezone... */ + int forScan /* Flag to differentiate between format and scan */ +) { + ClockClientData *dataPtr = clientData; + Tcl_Obj **litPtr = dataPtr->literals; + int gmtFlag = 0; + static const char *const options[2][6] = { + { /* Format command line options */ + "-format", "-gmt", "-locale", + "-timezone", NULL }, + { /* Scan command line options */ + "-format", "-gmt", "-locale", + "-timezone", "-base", NULL } + }; + enum optionInd { + CLOCK_FORMAT_FORMAT, CLOCK_FORMAT_GMT, CLOCK_FORMAT_LOCALE, + CLOCK_FORMAT_TIMEZONE, CLOCK_FORMAT_BASE + }; + int optionIndex; /* Index of an option. */ + int saw = 0; /* Flag == 1 if option was seen already. */ + int i; + + /* + * Extract values for the keywords. + */ + + memset(opts, 0, sizeof(*opts)); + for (i = 2; i < objc; i+=2) { + if (Tcl_GetIndexFromObj(interp, objv[i], options[forScan], + "option", 0, &optionIndex) != TCL_OK) { + Tcl_SetErrorCode(interp, "CLOCK", "badOption", + Tcl_GetString(objv[i]), NULL); + return TCL_ERROR; + } + switch (optionIndex) { + case CLOCK_FORMAT_FORMAT: + opts->formatObj = objv[i+1]; + break; + case CLOCK_FORMAT_GMT: + if (Tcl_GetBooleanFromObj(interp, objv[i+1], &gmtFlag) != TCL_OK){ + return TCL_ERROR; + } + break; + case CLOCK_FORMAT_LOCALE: + opts->localeObj = objv[i+1]; + break; + case CLOCK_FORMAT_TIMEZONE: + opts->timezoneObj = objv[i+1]; + break; + case CLOCK_FORMAT_BASE: + opts->baseObj = objv[i+1]; + break; + } + saw |= 1 << optionIndex; + } + + /* + * Check options. + */ + + if ((saw & (1 << CLOCK_FORMAT_GMT)) + && (saw & (1 << CLOCK_FORMAT_TIMEZONE))) { + Tcl_SetResult(interp, "cannot use -gmt and -timezone in same call", TCL_STATIC); + Tcl_SetErrorCode(interp, "CLOCK", "gmtWithTimezone", NULL); + return TCL_ERROR; + } + if (gmtFlag) { + opts->timezoneObj = litPtr[LIT_GMT]; + } + + opts->clientData = clientData; + opts->interp = interp; + + /* If time zone not specified use system time zone */ + + if ( opts->timezoneObj == NULL + || TclGetString(opts->timezoneObj) == NULL + || opts->timezoneObj->length == 0 + ) { + opts->timezoneObj = ClockGetSystemTimeZone(clientData, interp); + if (opts->timezoneObj == NULL) { + return TCL_ERROR; + } + } + + /* Setup timezone (normalize object if needed and load TZ on demand) */ + + opts->timezoneObj = ClockSetupTimeZone(clientData, interp, opts->timezoneObj); + if (opts->timezoneObj == NULL) { + return TCL_ERROR; + } + return TCL_OK; } @@ -1848,11 +2847,11 @@ ClockMicrosecondsObjCmd( * * ClockParseformatargsObjCmd -- * - * Parses the arguments for [clock format]. + * Parses the arguments for [clock format]. * * Results: - * Returns a standard Tcl result, whose value is a four-element list - * comprising the time format, the locale, and the timezone. + * Returns a standard Tcl result, whose value is a four-element list + * comprising the time format, the locale, and the timezone. * * This function exists because the loop that parses the [clock format] * options is a known performance "hot spot", and is implemented in an effort @@ -1863,73 +2862,37 @@ ClockMicrosecondsObjCmd( static int ClockParseformatargsObjCmd( - ClientData clientData, /* Client data containing literal pool */ - Tcl_Interp *interp, /* Tcl interpreter */ - int objc, /* Parameter count */ - Tcl_Obj *const objv[]) /* Parameter vector */ + ClientData clientData, /* Client data containing literal pool */ + Tcl_Interp *interp, /* Tcl interpreter */ + int objc, /* Parameter count */ + Tcl_Obj *const objv[]) /* Parameter vector */ { ClockClientData *dataPtr = clientData; - Tcl_Obj **litPtr = dataPtr->literals; - Tcl_Obj *results[3]; /* Format, locale and timezone */ -#define formatObj results[0] -#define localeObj results[1] -#define timezoneObj results[2] - int gmtFlag = 0; - static const char *const options[] = { /* Command line options expected */ - "-format", "-gmt", "-locale", - "-timezone", NULL }; - enum optionInd { - CLOCK_FORMAT_FORMAT, CLOCK_FORMAT_GMT, CLOCK_FORMAT_LOCALE, - CLOCK_FORMAT_TIMEZONE - }; - int optionIndex; /* Index of an option. */ - int saw = 0; /* Flag == 1 if option was seen already. */ - Tcl_WideInt clockVal; /* Clock value - just used to parse. */ - int i; + Tcl_Obj **literals = dataPtr->literals; + ClockFmtScnCmdArgs opts; /* Format, locale and timezone */ + Tcl_WideInt clockVal; /* Clock value - just used to parse. */ + int ret; /* * Args consist of a time followed by keyword-value pairs. */ if (objc < 2 || (objc % 2) != 0) { - Tcl_WrongNumArgs(interp, 0, objv, - "clock format clockval ?-format string? " - "?-gmt boolean? ?-locale LOCALE? ?-timezone ZONE?"); - Tcl_SetErrorCode(interp, "CLOCK", "wrongNumArgs", NULL); - return TCL_ERROR; + Tcl_WrongNumArgs(interp, 0, objv, + "clock format clockval ?-format string? " + "?-gmt boolean? ?-locale LOCALE? ?-timezone ZONE?"); + Tcl_SetErrorCode(interp, "CLOCK", "wrongNumArgs", NULL); + return TCL_ERROR; } /* * Extract values for the keywords. */ - formatObj = litPtr[LIT__DEFAULT_FORMAT]; - localeObj = litPtr[LIT_C]; - timezoneObj = litPtr[LIT__NIL]; - for (i = 2; i < objc; i+=2) { - if (Tcl_GetIndexFromObj(interp, objv[i], options, "option", 0, - &optionIndex) != TCL_OK) { - Tcl_SetErrorCode(interp, "CLOCK", "badOption", - Tcl_GetString(objv[i]), NULL); - return TCL_ERROR; - } - switch (optionIndex) { - case CLOCK_FORMAT_FORMAT: - formatObj = objv[i+1]; - break; - case CLOCK_FORMAT_GMT: - if (Tcl_GetBooleanFromObj(interp, objv[i+1], &gmtFlag) != TCL_OK){ - return TCL_ERROR; - } - break; - case CLOCK_FORMAT_LOCALE: - localeObj = objv[i+1]; - break; - case CLOCK_FORMAT_TIMEZONE: - timezoneObj = objv[i+1]; - break; - } - saw |= 1 << optionIndex; + ret = _ClockParseFmtScnArgs(clientData, interp, objc, objv, + &opts, 0); + if (ret != TCL_OK) { + return ret; } /* @@ -1937,41 +2900,561 @@ ClockParseformatargsObjCmd( */ if (Tcl_GetWideIntFromObj(interp, objv[1], &clockVal) != TCL_OK) { - return TCL_ERROR; + return TCL_ERROR; } - if ((saw & (1 << CLOCK_FORMAT_GMT)) - && (saw & (1 << CLOCK_FORMAT_TIMEZONE))) { - Tcl_SetObjResult(interp, litPtr[LIT_CANNOT_USE_GMT_AND_TIMEZONE]); - Tcl_SetErrorCode(interp, "CLOCK", "gmtWithTimezone", NULL); - return TCL_ERROR; + if (opts.formatObj == NULL) + opts.formatObj = literals[LIT__DEFAULT_FORMAT]; + if (opts.localeObj == NULL) + opts.localeObj = literals[LIT_C]; + if (opts.timezoneObj == NULL) + opts.timezoneObj = literals[LIT__NIL]; + + /* + * Return options as a list. + */ + + Tcl_SetObjResult(interp, Tcl_NewListObj(3, (Tcl_Obj**)&opts.formatObj)); + return TCL_OK; +} + +/*---------------------------------------------------------------------- + * + * ClockFormatObjCmd - + * + *---------------------------------------------------------------------- + */ + +int +ClockFormatObjCmd( + ClientData clientData, /* Client data containing literal pool */ + Tcl_Interp *interp, /* Tcl interpreter */ + int objc, /* Parameter count */ + Tcl_Obj *const objv[]) /* Parameter values */ +{ + ClockClientData *dataPtr = clientData; + + int ret; + ClockFmtScnCmdArgs opts; /* Format, locale, timezone and base */ + Tcl_WideInt clockVal; /* Time, expressed in seconds from the Epoch */ + DateFormat dateFmt; /* Common structure used for formatting */ + + if ((objc & 1) == 1) { + Tcl_WrongNumArgs(interp, 1, objv, "clockval " + "?-format string? " + "?-gmt boolean? " + "?-locale LOCALE? ?-timezone ZONE?"); + Tcl_SetErrorCode(interp, "CLOCK", "wrongNumArgs", NULL); + return TCL_ERROR; } - if (gmtFlag) { - timezoneObj = litPtr[LIT_GMT]; + + /* + * Extract values for the keywords. + */ + + ret = _ClockParseFmtScnArgs(clientData, interp, objc, objv, + &opts, 0); + if (ret != TCL_OK) { + return ret; + } + + ret = TCL_ERROR; + + if (Tcl_GetWideIntFromObj(interp, objv[1], &clockVal) != TCL_OK) { + return TCL_ERROR; } /* - * Return options as a list. + * seconds could be an unsigned number that overflowed. Make sure + * that it isn't. + */ + + if (objv[1]->typePtr == &tclBignumType) { + Tcl_SetObjResult(interp, dataPtr->literals[LIT_INTEGER_VALUE_TOO_LARGE]); + return TCL_ERROR; + } + + memset(&dateFmt, 0, sizeof(dateFmt)); + + /* + * Extract year, month and day from the base time for the parser to use as + * defaults + */ + + /* check base fields already cached (by TZ, last-second cache) */ + if ( dataPtr->lastBase.timezoneObj == opts.timezoneObj + && dataPtr->lastBase.Date.seconds == clockVal) { + memcpy(&dateFmt.date, &dataPtr->lastBase.Date, ClockCacheableDateFieldsSize); + } else { + /* extact fields from base */ + dateFmt.date.seconds = clockVal; + if (ClockGetDateFields(clientData, interp, &dateFmt.date, opts.timezoneObj, + GREGORIAN_CHANGE_DATE) != TCL_OK) { + goto done; + } + /* cache last base */ + memcpy(&dataPtr->lastBase.Date, &dateFmt.date, ClockCacheableDateFieldsSize); + Tcl_SetObjRef(dataPtr->lastBase.timezoneObj, opts.timezoneObj); + } + + /* Default format */ + if (opts.formatObj == NULL) { + opts.formatObj = dataPtr->literals[LIT__DEFAULT_FORMAT]; + } + + /* Use compiled version of Format - */ + + ret = ClockFormat(&dateFmt, &opts); + +done: + + Tcl_UnsetObjRef(dateFmt.date.tzName); + + if (ret != TCL_OK) { + return ret; + } + + return TCL_OK; +} + +/*---------------------------------------------------------------------- + * + * ClockScanObjCmd - + * + *---------------------------------------------------------------------- + */ + +int +ClockScanObjCmd( + ClientData clientData, /* Client data containing literal pool */ + Tcl_Interp *interp, /* Tcl interpreter */ + int objc, /* Parameter count */ + Tcl_Obj *const objv[]) /* Parameter values */ +{ + ClockClientData *dataPtr = clientData; + + int ret; + ClockFmtScnCmdArgs opts; /* Format, locale, timezone and base */ + Tcl_WideInt baseVal; /* Base time, expressed in seconds from the Epoch */ + DateInfo yy; /* Common structure used for parsing */ + DateInfo *info = &yy; + + if ((objc & 1) == 1) { + Tcl_WrongNumArgs(interp, 1, objv, "string " + "?-base seconds? " + "?-format string? " + "?-gmt boolean? " + "?-locale LOCALE? ?-timezone ZONE?"); + Tcl_SetErrorCode(interp, "CLOCK", "wrongNumArgs", NULL); + return TCL_ERROR; + } + + /* + * Extract values for the keywords. */ - Tcl_SetObjResult(interp, Tcl_NewListObj(3, results)); + ret = _ClockParseFmtScnArgs(clientData, interp, objc, objv, + &opts, 1); + if (ret != TCL_OK) { + return ret; + } + + ret = TCL_ERROR; + + if (opts.baseObj != NULL) { + if (Tcl_GetWideIntFromObj(interp, opts.baseObj, &baseVal) != TCL_OK) { + return TCL_ERROR; + } + /* + * seconds could be an unsigned number that overflowed. Make sure + * that it isn't. + */ + + if (opts.baseObj->typePtr == &tclBignumType) { + Tcl_SetObjResult(interp, dataPtr->literals[LIT_INTEGER_VALUE_TOO_LARGE]); + return TCL_ERROR; + } + + } else { + Tcl_Time now; + Tcl_GetTime(&now); + baseVal = (Tcl_WideInt) now.sec; + } + + ClockInitDateInfo(info); + + /* + * Extract year, month and day from the base time for the parser to use as + * defaults + */ + + /* check base fields already cached (by TZ, last-second cache) */ + if ( dataPtr->lastBase.timezoneObj == opts.timezoneObj + && dataPtr->lastBase.Date.seconds == baseVal) { + memcpy(&yydate, &dataPtr->lastBase.Date, ClockCacheableDateFieldsSize); + } else { + /* extact fields from base */ + yydate.seconds = baseVal; + if (ClockGetDateFields(clientData, interp, &yydate, opts.timezoneObj, + GREGORIAN_CHANGE_DATE) != TCL_OK) { + goto done; + } + /* cache last base */ + memcpy(&dataPtr->lastBase.Date, &yydate, ClockCacheableDateFieldsSize); + Tcl_SetObjRef(dataPtr->lastBase.timezoneObj, opts.timezoneObj); + } + + /* seconds are in localSeconds (relative base date), so reset time here */ + yyHour = 0; yyMinutes = 0; yySeconds = 0; yyMeridian = MER24; + + /* If free scan */ + if (opts.formatObj == NULL) { + /* Use compiled version of FreeScan - */ + + /* [SB] TODO: Perhaps someday we'll localize the legacy code. Right now, it's not localized. */ + if (opts.localeObj != NULL) { + Tcl_SetResult(interp, + "legacy [clock scan] does not support -locale", TCL_STATIC); + Tcl_SetErrorCode(interp, "CLOCK", "flagWithLegacyFormat", NULL); + return TCL_ERROR; + } + ret = ClockFreeScan(clientData, interp, info, objv[1], &opts); + } + else { + /* Use compiled version of Scan - */ + + ret = ClockScan(info, objv[1], &opts); + } + + if (ret != TCL_OK) { + goto done; + } + + /* If needed assemble julianDay using year, month, etc. */ + if (info->flags & CLF_ASSEMBLE_JULIANDAY) { + if ((info->flags & CLF_ISO8601)) { + GetJulianDayFromEraYearWeekDay(&yydate, GREGORIAN_CHANGE_DATE); + } + else + if (!(info->flags & CLF_DAYOFYEAR)) { + GetJulianDayFromEraYearMonthDay(&yydate, GREGORIAN_CHANGE_DATE); + } else { + GetJulianDayFromEraYearDay(&yydate, GREGORIAN_CHANGE_DATE); + } + } + + /* some overflow checks, if not extended */ + if (!(opts.flags & CLF_EXTENDED)) { + if (yydate.julianDay > 5373484) { + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "requested date too large to represent", -1)); + Tcl_SetErrorCode(interp, "CLOCK", "dateTooLarge", NULL); + ret = TCL_ERROR; + goto done; + } + } + + /* Local seconds to UTC (stored in yydate.seconds) */ + + if (info->flags & (CLF_ASSEMBLE_SECONDS|CLF_ASSEMBLE_JULIANDAY)) { + yydate.localSeconds = + -210866803200L + + ( SECONDS_PER_DAY * (Tcl_WideInt)yydate.julianDay ) + + ( yySeconds % SECONDS_PER_DAY ); + } + + if (info->flags & (CLF_ASSEMBLE_SECONDS|CLF_ASSEMBLE_JULIANDAY|CLF_LOCALSEC)) { + if (ConvertLocalToUTC(clientData, interp, &yydate, opts.timezoneObj, + GREGORIAN_CHANGE_DATE) != TCL_OK) { + goto done; + } + } + + /* Increment UTC seconds with relative time */ + + yydate.seconds += yyRelSeconds; + + ret = TCL_OK; + +done: + + Tcl_UnsetObjRef(yydate.tzName); + + if (ret != TCL_OK) { + return ret; + } + + Tcl_SetObjResult(interp, Tcl_NewWideIntObj(yydate.seconds)); return TCL_OK; +} + +/*---------------------------------------------------------------------- + */ +int +ClockFreeScan( + ClientData clientData, /* Client data containing literal pool */ + Tcl_Interp *interp, /* Tcl interpreter */ + register + DateInfo *info, /* Date fields used for parsing & converting + * simultaneously a yy-parse structure of the + * TclClockFreeScan */ + Tcl_Obj *strObj, /* String containing the time to scan */ + ClockFmtScnCmdArgs *opts) /* Command options */ +{ + ClockClientData *dataPtr = clientData; + + int ret = TCL_ERROR; + + /* + * Parse the date. The parser will fill a structure "info" with date, + * time, time zone, relative month/day/seconds, relative weekday, ordinal + * month. + * Notice that many yy-defines point to values in the "info" or "date" + * structure, e. g. yySeconds -> info->date.secondOfDay or + * yySeconds -> info->date.month (same as yydate.month) + */ + yyInput = Tcl_GetString(strObj); + + if (TclClockFreeScan(interp, info) != TCL_OK) { + Tcl_Obj *msg = Tcl_NewObj(); + Tcl_AppendPrintfToObj(msg, "unable to convert date-time string \"%s\": %s", + Tcl_GetString(strObj), TclGetString(Tcl_GetObjResult(interp))); + Tcl_SetObjResult(interp, msg); + goto done; + } + + /* + * If the caller supplied a date in the string, update the date with + * the value. If the caller didn't specify a time with the date, default to + * midnight. + */ -#undef timezoneObj -#undef localeObj -#undef formatObj + if (yyHaveDate) { + if (yyYear < 100) { + if (yyYear >= dataPtr->yearOfCenturySwitch) { + yyYear -= 100; + } + yyYear += dataPtr->currentYearCentury; + } + yydate.era = CE; + if (yyHaveTime == 0) { + yyHaveTime = -1; + } + info->flags |= CLF_ASSEMBLE_JULIANDAY|CLF_ASSEMBLE_SECONDS; + } + + /* + * If the caller supplied a time zone in the string, make it into a time + * zone indicator of +-hhmm and setup this time zone. + */ + + if (yyHaveZone) { + Tcl_Obj *tzObjStor = NULL; + int minEast = -yyTimezone; + int dstFlag = 1 - yyDSTmode; + tzObjStor = ClockFormatNumericTimeZone( + 60 * minEast + 3600 * dstFlag); + Tcl_IncrRefCount(tzObjStor); + + opts->timezoneObj = ClockSetupTimeZone(clientData, interp, tzObjStor); + + Tcl_DecrRefCount(tzObjStor); + if (opts->timezoneObj == NULL) { + goto done; + } + + // Tcl_SetObjRef(yydate.tzName, opts->timezoneObj); + + info->flags |= CLF_ASSEMBLE_SECONDS; + } + + /* + * Assemble date, time, zone into seconds-from-epoch + */ + + if (yyHaveTime == -1) { + yySeconds = 0; + info->flags |= CLF_ASSEMBLE_SECONDS; + } + else + if (yyHaveTime) { + yySeconds = ToSeconds(yyHour, yyMinutes, + yySeconds, yyMeridian); + info->flags |= CLF_ASSEMBLE_SECONDS; + } + else + if ( (yyHaveDay && !yyHaveDate) + || yyHaveOrdinalMonth + || ( yyHaveRel + && ( yyRelMonth != 0 + || yyRelDay != 0 ) ) + ) { + yySeconds = 0; + info->flags |= CLF_ASSEMBLE_SECONDS; + } + else { + yySeconds = yydate.localSeconds % SECONDS_PER_DAY; + } + + /* + * Do relative times + */ + +repeat_rel: + + if (yyHaveRel) { + + /* + * Relative conversion normally possible in UTC time only, because + * of possible wrong local time increment if ignores in-between DST-hole. + * (see test-cases clock-34.53, clock-34.54). + * So increment date in julianDay, but time inside day in UTC (seconds). + */ + + /* add months (or years in months) */ + + if (yyRelMonth != 0) { + int m, h; + + /* if needed extract year, month, etc. again */ + if (info->flags & CLF_ASSEMBLE_DATE) { + GetGregorianEraYearDay(&yydate, GREGORIAN_CHANGE_DATE); + GetMonthDay(&yydate); + GetYearWeekDay(&yydate, GREGORIAN_CHANGE_DATE); + info->flags &= ~CLF_ASSEMBLE_DATE; + } + + /* add the requisite number of months */ + yyMonth += yyRelMonth - 1; + yyYear += yyMonth / 12; + m = yyMonth % 12; + yyMonth = m + 1; + + /* if the day doesn't exist in the current month, repair it */ + h = hath[IsGregorianLeapYear(&yydate)][m]; + if (yyDay > h) { + yyDay = h; + } + + /* on demand (lazy) assemble julianDay using new year, month, etc. */ + info->flags |= CLF_ASSEMBLE_JULIANDAY|CLF_ASSEMBLE_SECONDS; + + yyRelMonth = 0; + } + + /* add days (or other parts aligned to days) */ + if (yyRelDay) { + + /* assemble julianDay using new year, month, etc. */ + if (info->flags & CLF_ASSEMBLE_JULIANDAY) { + GetJulianDayFromEraYearMonthDay(&yydate, GREGORIAN_CHANGE_DATE); + info->flags &= ~CLF_ASSEMBLE_JULIANDAY; + } + yydate.julianDay += yyRelDay; + + /* julianDay was changed, on demand (lazy) extract year, month, etc. again */ + info->flags |= CLF_ASSEMBLE_DATE|CLF_ASSEMBLE_SECONDS; + + yyRelDay = 0; + } + + /* relative time (seconds), if exceeds current date, do the day conversion and + * leave rest of the increment in yyRelSeconds to add it hereafter in UTC seconds */ + if (yyRelSeconds) { + int newSecs = yySeconds + yyRelSeconds; + + /* if seconds increment outside of current date, increment day */ + if (newSecs / SECONDS_PER_DAY != yySeconds / SECONDS_PER_DAY) { + + yyRelDay += newSecs / SECONDS_PER_DAY; + yySeconds = 0; + yyRelSeconds = newSecs % SECONDS_PER_DAY; + + goto repeat_rel; + } + } + } + + /* + * Do relative (ordinal) month + */ + + if (yyHaveOrdinalMonth) { + int monthDiff; + + /* if needed extract year, month, etc. again */ + if (info->flags & CLF_ASSEMBLE_DATE) { + GetGregorianEraYearDay(&yydate, GREGORIAN_CHANGE_DATE); + GetMonthDay(&yydate); + GetYearWeekDay(&yydate, GREGORIAN_CHANGE_DATE); + info->flags &= ~CLF_ASSEMBLE_DATE; + } + + if (yyMonthOrdinalIncr > 0) { + monthDiff = yyMonthOrdinal - yyMonth; + if (monthDiff <= 0) { + monthDiff += 12; + } + yyMonthOrdinalIncr--; + } else { + monthDiff = yyMonth - yyMonthOrdinal; + if (monthDiff >= 0) { + monthDiff -= 12; + } + yyMonthOrdinalIncr++; + } + + /* process it further via relative times */ + yyHaveRel++; + yyYear += yyMonthOrdinalIncr; + yyRelMonth += monthDiff; + yyHaveOrdinalMonth = 0; + + info->flags |= CLF_ASSEMBLE_JULIANDAY|CLF_ASSEMBLE_SECONDS; + + goto repeat_rel; + } + + /* + * Do relative weekday + */ + + if (yyHaveDay && !yyHaveDate) { + + /* if needed assemble julianDay now */ + if (info->flags & CLF_ASSEMBLE_JULIANDAY) { + GetJulianDayFromEraYearMonthDay(&yydate, GREGORIAN_CHANGE_DATE); + info->flags &= ~CLF_ASSEMBLE_JULIANDAY; + } + + yydate.era = CE; + yydate.julianDay = WeekdayOnOrBefore(yyDayNumber, yydate.julianDay + 6) + + 7 * yyDayOrdinal; + if (yyDayOrdinal > 0) { + yydate.julianDay -= 7; + } + info->flags |= CLF_ASSEMBLE_DATE|CLF_ASSEMBLE_SECONDS; + } + + /* Free scanning completed - date ready */ + + ret = TCL_OK; + +done: + + return ret; } /*---------------------------------------------------------------------- * * ClockSecondsObjCmd - * - * Returns a count of microseconds since the epoch. + * Returns a count of microseconds since the epoch. * * Results: - * Returns a standard Tcl result. + * Returns a standard Tcl result. * * Side effects: - * None. + * None. * * This function implements the 'clock seconds' Tcl command. Refer to the user * documentation for details on what it does. @@ -1981,16 +3464,16 @@ ClockParseformatargsObjCmd( int ClockSecondsObjCmd( - ClientData clientData, /* Client data is unused */ - Tcl_Interp *interp, /* Tcl interpreter */ - int objc, /* Parameter count */ - Tcl_Obj *const *objv) /* Parameter values */ + ClientData clientData, /* Client data is unused */ + Tcl_Interp *interp, /* Tcl interpreter */ + int objc, /* Parameter count */ + Tcl_Obj *const *objv) /* Parameter values */ { Tcl_Time now; if (objc != 1) { - Tcl_WrongNumArgs(interp, 1, objv, NULL); - return TCL_ERROR; + Tcl_WrongNumArgs(interp, 1, objv, NULL); + return TCL_ERROR; } Tcl_GetTime(&now); Tcl_SetObjResult(interp, Tcl_NewWideIntObj((Tcl_WideInt) now.sec)); @@ -2000,73 +3483,75 @@ ClockSecondsObjCmd( /* *---------------------------------------------------------------------- * - * TzsetIfNecessary -- + * TzsetGetEpoch --, TzsetIfNecessary -- * - * Calls the tzset() library function if the contents of the TZ - * environment variable has changed. + * Calls the tzset() library function if the contents of the TZ + * environment variable has changed. * * Results: - * None. + * None. * * Side effects: - * Calls tzset. + * Calls tzset. * *---------------------------------------------------------------------- */ -static void -TzsetIfNecessary(void) +static unsigned long +TzsetGetEpoch(void) { - static char* tzWas = INT2PTR(-1); /* Previous value of TZ, protected by - * clockMutex. */ - const char *tzIsNow; /* Current value of TZ */ + static char* tzWas = INT2PTR(-1); /* Previous value of TZ, protected by + * clockMutex. */ + static long tzLastRefresh = 0; /* Used for latency before next refresh */ + static unsigned long tzWasEpoch = 0; /* Epoch, signals that TZ changed */ + static unsigned long tzEnvEpoch = 0; /* Last env epoch, for faster signaling, + that TZ changed via TCL */ + + const char *tzIsNow; /* Current value of TZ */ + + /* + * Prevent performance regression on some platforms by resolving of system time zone: + * small latency for check whether environment was changed (once per second) + * no latency if environment was chaned with tcl-env (compare both epoch values) + */ + Tcl_Time now; + Tcl_GetTime(&now); + if (now.sec == tzLastRefresh && tzEnvEpoch == TclEnvEpoch) { + return tzWasEpoch; + } + tzEnvEpoch = TclEnvEpoch; + tzLastRefresh = now.sec; + /* check in lock */ Tcl_MutexLock(&clockMutex); - tzIsNow = getenv("TZ"); + tzIsNow = getenv("TCL_TZ"); + if (tzIsNow == NULL) { + tzIsNow = getenv("TZ"); + } if (tzIsNow != NULL && (tzWas == NULL || tzWas == INT2PTR(-1) - || strcmp(tzIsNow, tzWas) != 0)) { - tzset(); - if (tzWas != NULL && tzWas != INT2PTR(-1)) { - ckfree(tzWas); - } - tzWas = ckalloc(strlen(tzIsNow) + 1); - strcpy(tzWas, tzIsNow); + || strcmp(tzIsNow, tzWas) != 0)) { + tzset(); + if (tzWas != NULL && tzWas != INT2PTR(-1)) { + ckfree(tzWas); + } + tzWas = ckalloc(strlen(tzIsNow) + 1); + strcpy(tzWas, tzIsNow); + tzWasEpoch++; } else if (tzIsNow == NULL && tzWas != NULL) { - tzset(); - if (tzWas != INT2PTR(-1)) ckfree(tzWas); - tzWas = NULL; + tzset(); + if (tzWas != INT2PTR(-1)) ckfree(tzWas); + tzWas = NULL; + tzWasEpoch++; } Tcl_MutexUnlock(&clockMutex); + + return tzWasEpoch; } - -/* - *---------------------------------------------------------------------- - * - * ClockDeleteCmdProc -- - * - * Remove a reference to the clock client data, and clean up memory - * when it's all gone. - * - * Results: - * None. - * - *---------------------------------------------------------------------- - */ static void -ClockDeleteCmdProc( - ClientData clientData) /* Opaque pointer to the client data */ +TzsetIfNecessary(void) { - ClockClientData *data = clientData; - int i; - - if (data->refCount-- <= 1) { - for (i = 0; i < LIT__END; ++i) { - Tcl_DecrRefCount(data->literals[i]); - } - ckfree(data->literals); - ckfree(data); - } + TzsetGetEpoch(); } /* diff --git a/generic/tclClockFmt.c b/generic/tclClockFmt.c new file mode 100644 index 000000000000..205f2a608a0f --- /dev/null +++ b/generic/tclClockFmt.c @@ -0,0 +1,2863 @@ +/* + * tclClockFmt.c -- + * + * Contains the date format (and scan) routines. This code is back-ported + * from the time and date facilities of tclSE engine, by Serg G. Brester. + * + * Copyright (c) 2015 by Sergey G. Brester aka sebres. All rights reserved. + * + * See the file "license.terms" for information on usage and redistribution of + * this file, and for a DISCLAIMER OF ALL WARRANTIES. + */ + +#include "tclInt.h" +#include "tclStrIdxTree.h" +#include "tclDate.h" + +/* + * Miscellaneous forward declarations and functions used within this file + */ + +static void +ClockFmtObj_DupInternalRep(Tcl_Obj *srcPtr, Tcl_Obj *copyPtr); +static void +ClockFmtObj_FreeInternalRep(Tcl_Obj *objPtr); +static int +ClockFmtObj_SetFromAny(Tcl_Interp *interp, Tcl_Obj *objPtr); +static void +ClockFmtObj_UpdateString(Tcl_Obj *objPtr); + + +TCL_DECLARE_MUTEX(ClockFmtMutex); /* Serializes access to common format list. */ + +static void ClockFmtScnStorageDelete(ClockFmtScnStorage *fss); + +static void ClockFrmScnFinalize(ClientData clientData); + +/* Msgcat index literals prefixed with _IDX_, used for quick dictionary search */ +CLOCK_LOCALE_LITERAL_ARRAY(MsgCtLitIdxs, "_IDX_"); + +/* + * Clock scan and format facilities. + */ + +static inline int +_str2int( + int *out, + register + const char *p, + const char *e, + int sign) +{ + register int val = 0, prev = 0; + if (sign >= 0) { + while (p < e) { + val = val * 10 + (*p++ - '0'); + if (val < prev) { + return TCL_ERROR; + } + prev = val; + } + } else { + while (p < e) { + val = val * 10 - (*p++ - '0'); + if (val > prev) { + return TCL_ERROR; + } + prev = val; + } + } + *out = val; + return TCL_OK; +} + +static inline int +_str2wideInt( + Tcl_WideInt *out, + register + const char *p, + const char *e, + int sign) +{ + register Tcl_WideInt val = 0, prev = 0; + if (sign >= 0) { + while (p < e) { + val = val * 10 + (*p++ - '0'); + if (val < prev) { + return TCL_ERROR; + } + prev = val; + } + } else { + while (p < e) { + val = val * 10 - (*p++ - '0'); + if (val > prev) { + return TCL_ERROR; + } + prev = val; + } + } + *out = val; + return TCL_OK; +} + +static inline char * +_itoaw( + char *buf, + register int val, + char padchar, + unsigned short int width) +{ + register char *p; + static int wrange[] = {1, 10, 100, 1000, 10000, 100000, 1000000, 10000000, 100000000, 1000000000}; + + /* positive integer */ + + if (val >= 0) + { + /* check resp. recalculate width */ + while (width <= 9 && val >= wrange[width]) { + width++; + } + /* number to string backwards */ + p = buf + width; + *p-- = '\0'; + do { + register char c = (val % 10); val /= 10; + *p-- = '0' + c; + } while (val > 0); + /* fulling with pad-char */ + while (p >= buf) { + *p-- = padchar; + } + + return buf + width; + } + /* negative integer */ + + if (!width) width++; + /* check resp. recalculate width (regarding sign) */ + width--; + while (width <= 9 && val <= -wrange[width]) { + width++; + } + width++; + /* number to string backwards */ + p = buf + width; + *p-- = '\0'; + /* differentiate platforms with -1 % 10 == 1 and -1 % 10 == -1 */ + if (-1 % 10 == -1) { + do { + register char c = (val % 10); val /= 10; + *p-- = '0' - c; + } while (val < 0); + } else { + do { + register char c = (val % 10); val /= 10; + *p-- = '0' + c; + } while (val < 0); + } + /* sign by 0 padding */ + if (padchar != '0') { *p-- = '-'; } + /* fulling with pad-char */ + while (p >= buf + 1) { + *p-- = padchar; + } + /* sign by non 0 padding */ + if (padchar == '0') { *p = '-'; } + + return buf + width; +} + +static inline char * +_witoaw( + char *buf, + register Tcl_WideInt val, + char padchar, + unsigned short int width) +{ + register char *p; + static int wrange[] = {1, 10, 100, 1000, 10000, 100000, 1000000, 10000000, 100000000, 1000000000}; + + /* positive integer */ + + if (val >= 0) + { + /* check resp. recalculate width */ + if (val >= 10000000000L) { + Tcl_WideInt val2; + val2 = val / 10000000000L; + while (width <= 9 && val2 >= wrange[width]) { + width++; + } + width += 10; + } else { + while (width <= 9 && val >= wrange[width]) { + width++; + } + } + /* number to string backwards */ + p = buf + width; + *p-- = '\0'; + do { + register char c = (val % 10); val /= 10; + *p-- = '0' + c; + } while (val > 0); + /* fulling with pad-char */ + while (p >= buf) { + *p-- = padchar; + } + + return buf + width; + } + + /* negative integer */ + + if (!width) width++; + /* check resp. recalculate width (regarding sign) */ + width--; + if (val <= 10000000000L) { + Tcl_WideInt val2; + val2 = val / 10000000000L; + while (width <= 9 && val2 <= -wrange[width]) { + width++; + } + width += 10; + } else { + while (width <= 9 && val <= -wrange[width]) { + width++; + } + } + width++; + /* number to string backwards */ + p = buf + width; + *p-- = '\0'; + /* differentiate platforms with -1 % 10 == 1 and -1 % 10 == -1 */ + if (-1 % 10 == -1) { + do { + register char c = (val % 10); val /= 10; + *p-- = '0' - c; + } while (val < 0); + } else { + do { + register char c = (val % 10); val /= 10; + *p-- = '0' + c; + } while (val < 0); + } + /* sign by 0 padding */ + if (padchar != '0') { *p-- = '-'; } + /* fulling with pad-char */ + while (p >= buf + 1) { + *p-- = padchar; + } + /* sign by non 0 padding */ + if (padchar == '0') { *p = '-'; } + + return buf + width; +} + +/* + *---------------------------------------------------------------------- + */ + +#if CLOCK_FMT_SCN_STORAGE_GC_SIZE > 0 + +static struct { + ClockFmtScnStorage *stackPtr; + ClockFmtScnStorage *stackBound; + unsigned int count; +} ClockFmtScnStorage_GC = {NULL, NULL, 0}; + +static inline void +ClockFmtScnStorageGC_In(ClockFmtScnStorage *entry) +{ + /* add new entry */ + TclSpliceIn(entry, ClockFmtScnStorage_GC.stackPtr); + if (ClockFmtScnStorage_GC.stackBound == NULL) { + ClockFmtScnStorage_GC.stackBound = entry; + } + ClockFmtScnStorage_GC.count++; + + /* if GC ist full */ + if (ClockFmtScnStorage_GC.count > CLOCK_FMT_SCN_STORAGE_GC_SIZE) { + + /* GC stack is LIFO: delete first inserted entry */ + ClockFmtScnStorage *delEnt = ClockFmtScnStorage_GC.stackBound; + ClockFmtScnStorage_GC.stackBound = delEnt->prevPtr; + TclSpliceOut(delEnt, ClockFmtScnStorage_GC.stackPtr); + ClockFmtScnStorage_GC.count--; + delEnt->prevPtr = delEnt->nextPtr = NULL; + /* remove it now */ + ClockFmtScnStorageDelete(delEnt); + } +} +static inline void +ClockFmtScnStorage_GC_Out(ClockFmtScnStorage *entry) +{ + TclSpliceOut(entry, ClockFmtScnStorage_GC.stackPtr); + ClockFmtScnStorage_GC.count--; + if (ClockFmtScnStorage_GC.stackBound == entry) { + ClockFmtScnStorage_GC.stackBound = entry->prevPtr; + } + entry->prevPtr = entry->nextPtr = NULL; +} + +#endif + +/* + *---------------------------------------------------------------------- + */ + +static Tcl_HashTable FmtScnHashTable; +static int initialized = 0; + +static inline Tcl_HashEntry * +HashEntry4FmtScn(ClockFmtScnStorage *fss) { + return (Tcl_HashEntry*)(fss + 1); +}; +static inline ClockFmtScnStorage * +FmtScn4HashEntry(Tcl_HashEntry *hKeyPtr) { + return (ClockFmtScnStorage*)(((char*)hKeyPtr) - sizeof(ClockFmtScnStorage)); +}; + +/* + * Format storage hash (list of formats shared across all threads). + */ + +static Tcl_HashEntry * +ClockFmtScnStorageAllocProc( + Tcl_HashTable *tablePtr, /* Hash table. */ + void *keyPtr) /* Key to store in the hash table entry. */ +{ + ClockFmtScnStorage *fss; + + const char *string = (const char *) keyPtr; + Tcl_HashEntry *hPtr; + unsigned int size, + allocsize = sizeof(ClockFmtScnStorage) + sizeof(Tcl_HashEntry); + + allocsize += (size = strlen(string) + 1); + if (size > sizeof(hPtr->key)) { + allocsize -= sizeof(hPtr->key); + } + + fss = ckalloc(allocsize); + + /* initialize */ + memset(fss, 0, sizeof(*fss)); + + hPtr = HashEntry4FmtScn(fss); + memcpy(&hPtr->key.string, string, size); + hPtr->clientData = 0; /* currently unused */ + + return hPtr; +} + +static void +ClockFmtScnStorageFreeProc( + Tcl_HashEntry *hPtr) +{ + ClockFmtScnStorage *fss = FmtScn4HashEntry(hPtr); + + if (fss->scnTok != NULL) { + ckfree(fss->scnTok); + fss->scnTok = NULL; + fss->scnTokC = 0; + } + if (fss->fmtTok != NULL) { + ckfree(fss->fmtTok); + fss->fmtTok = NULL; + fss->fmtTokC = 0; + } + + ckfree(fss); +} + +static void +ClockFmtScnStorageDelete(ClockFmtScnStorage *fss) { + Tcl_HashEntry *hPtr = HashEntry4FmtScn(fss); + /* + * This will delete a hash entry and call "ckfree" for storage self, if + * some additionally handling required, freeEntryProc can be used instead + */ + Tcl_DeleteHashEntry(hPtr); +} + + +/* + * Derivation of tclStringHashKeyType with another allocEntryProc + */ + +static Tcl_HashKeyType ClockFmtScnStorageHashKeyType; + + +/* + * Type definition. + */ + +Tcl_ObjType ClockFmtObjType = { + "clock-format", /* name */ + ClockFmtObj_FreeInternalRep, /* freeIntRepProc */ + ClockFmtObj_DupInternalRep, /* dupIntRepProc */ + ClockFmtObj_UpdateString, /* updateStringProc */ + ClockFmtObj_SetFromAny /* setFromAnyProc */ +}; + +#define ObjClockFmtScn(objPtr) \ + (*((ClockFmtScnStorage **)&(objPtr)->internalRep.twoPtrValue.ptr1)) + +#define ObjLocFmtKey(objPtr) \ + (*((Tcl_Obj **)&(objPtr)->internalRep.twoPtrValue.ptr2)) + +/* + *---------------------------------------------------------------------- + */ +static void +ClockFmtObj_DupInternalRep(srcPtr, copyPtr) + Tcl_Obj *srcPtr; + Tcl_Obj *copyPtr; +{ + ClockFmtScnStorage *fss = ObjClockFmtScn(srcPtr); + + if (fss != NULL) { + Tcl_MutexLock(&ClockFmtMutex); + fss->objRefCount++; + Tcl_MutexUnlock(&ClockFmtMutex); + } + + ObjClockFmtScn(copyPtr) = fss; + /* regards special case - format not localizable */ + if (ObjLocFmtKey(srcPtr) != srcPtr) { + Tcl_InitObjRef(ObjLocFmtKey(copyPtr), ObjLocFmtKey(srcPtr)); + } else { + ObjLocFmtKey(copyPtr) = copyPtr; + } + copyPtr->typePtr = &ClockFmtObjType; + + + /* if no format representation, dup string representation */ + if (fss == NULL) { + copyPtr->bytes = ckalloc(srcPtr->length + 1); + memcpy(copyPtr->bytes, srcPtr->bytes, srcPtr->length + 1); + copyPtr->length = srcPtr->length; + } +} +/* + *---------------------------------------------------------------------- + */ +static void +ClockFmtObj_FreeInternalRep(objPtr) + Tcl_Obj *objPtr; +{ + ClockFmtScnStorage *fss = ObjClockFmtScn(objPtr); + if (fss != NULL) { + Tcl_MutexLock(&ClockFmtMutex); + /* decrement object reference count of format/scan storage */ + if (--fss->objRefCount <= 0) { + #if CLOCK_FMT_SCN_STORAGE_GC_SIZE > 0 + /* don't remove it right now (may be reusable), just add to GC */ + ClockFmtScnStorageGC_In(fss); + #else + /* remove storage (format representation) */ + ClockFmtScnStorageDelete(fss); + #endif + } + Tcl_MutexUnlock(&ClockFmtMutex); + } + ObjClockFmtScn(objPtr) = NULL; + if (ObjLocFmtKey(objPtr) != objPtr) { + Tcl_UnsetObjRef(ObjLocFmtKey(objPtr)); + } else { + ObjLocFmtKey(objPtr) = NULL; + } + objPtr->typePtr = NULL; +}; +/* + *---------------------------------------------------------------------- + */ +static int +ClockFmtObj_SetFromAny(interp, objPtr) + Tcl_Interp *interp; + Tcl_Obj *objPtr; +{ + /* validate string representation before free old internal represenation */ + (void)TclGetString(objPtr); + + /* free old internal represenation */ + if (objPtr->typePtr && objPtr->typePtr->freeIntRepProc) + objPtr->typePtr->freeIntRepProc(objPtr); + + /* initial state of format object */ + ObjClockFmtScn(objPtr) = NULL; + ObjLocFmtKey(objPtr) = NULL; + objPtr->typePtr = &ClockFmtObjType; + + return TCL_OK; +}; +/* + *---------------------------------------------------------------------- + */ +static void +ClockFmtObj_UpdateString(objPtr) + Tcl_Obj *objPtr; +{ + char *name = "UNKNOWN"; + int len; + ClockFmtScnStorage *fss = ObjClockFmtScn(objPtr); + + if (fss != NULL) { + Tcl_HashEntry *hPtr = HashEntry4FmtScn(fss); + name = hPtr->key.string; + } + len = strlen(name); + objPtr->length = len, + objPtr->bytes = ckalloc((size_t)++len); + if (objPtr->bytes) + memcpy(objPtr->bytes, name, len); +} + +/* + *---------------------------------------------------------------------- + */ +MODULE_SCOPE Tcl_Obj* +ClockFrmObjGetLocFmtKey( + Tcl_Interp *interp, + Tcl_Obj *objPtr) +{ + Tcl_Obj *keyObj; + + if (objPtr->typePtr != &ClockFmtObjType) { + if (ClockFmtObj_SetFromAny(interp, objPtr) != TCL_OK) { + return NULL; + } + } + + keyObj = ObjLocFmtKey(objPtr); + if (keyObj) { + return keyObj; + } + + keyObj = Tcl_ObjPrintf("FMT_%s", TclGetString(objPtr)); + Tcl_InitObjRef(ObjLocFmtKey(objPtr), keyObj); + + return keyObj; +} + +/* + *---------------------------------------------------------------------- + */ + +static ClockFmtScnStorage * +FindOrCreateFmtScnStorage( + Tcl_Interp *interp, + Tcl_Obj *objPtr) +{ + const char *strFmt = TclGetString(objPtr); + ClockFmtScnStorage *fss = NULL; + int new; + Tcl_HashEntry *hPtr; + + Tcl_MutexLock(&ClockFmtMutex); + + /* if not yet initialized */ + if (!initialized) { + /* initialize type */ + memcpy(&ClockFmtScnStorageHashKeyType, &tclStringHashKeyType, sizeof(tclStringHashKeyType)); + ClockFmtScnStorageHashKeyType.allocEntryProc = ClockFmtScnStorageAllocProc; + ClockFmtScnStorageHashKeyType.freeEntryProc = ClockFmtScnStorageFreeProc; + + /* initialize hash table */ + Tcl_InitCustomHashTable(&FmtScnHashTable, TCL_CUSTOM_TYPE_KEYS, + &ClockFmtScnStorageHashKeyType); + + initialized = 1; + Tcl_CreateExitHandler(ClockFrmScnFinalize, NULL); + } + + /* get or create entry (and alocate storage) */ + hPtr = Tcl_CreateHashEntry(&FmtScnHashTable, strFmt, &new); + if (hPtr != NULL) { + + fss = FmtScn4HashEntry(hPtr); + + #if CLOCK_FMT_SCN_STORAGE_GC_SIZE > 0 + /* unlink if it is currently in GC */ + if (new == 0 && fss->objRefCount == 0) { + ClockFmtScnStorage_GC_Out(fss); + } + #endif + + /* new reference, so increment in lock right now */ + fss->objRefCount++; + + ObjClockFmtScn(objPtr) = fss; + } + + Tcl_MutexUnlock(&ClockFmtMutex); + + if (fss == NULL && interp != NULL) { + Tcl_AppendResult(interp, "retrieve clock format failed \"", + strFmt ? strFmt : "", "\"", NULL); + Tcl_SetErrorCode(interp, "TCL", "EINVAL", NULL); + } + + return fss; +} + +/* + *---------------------------------------------------------------------- + * + * Tcl_GetClockFrmScnFromObj -- + * + * Returns a clock format/scan representation of (*objPtr), if possible. + * If something goes wrong, NULL is returned, and if interp is non-NULL, + * an error message is written there. + * + * Results: + * Valid representation of type ClockFmtScnStorage. + * + * Side effects: + * Caches the ClockFmtScnStorage reference as the internal rep of (*objPtr) + * and in global hash table, shared across all threads. + * + *---------------------------------------------------------------------- + */ + +ClockFmtScnStorage * +Tcl_GetClockFrmScnFromObj( + Tcl_Interp *interp, + Tcl_Obj *objPtr) +{ + ClockFmtScnStorage *fss; + + if (objPtr->typePtr != &ClockFmtObjType) { + if (ClockFmtObj_SetFromAny(interp, objPtr) != TCL_OK) { + return NULL; + } + } + + fss = ObjClockFmtScn(objPtr); + + if (fss == NULL) { + fss = FindOrCreateFmtScnStorage(interp, objPtr); + } + + return fss; +} + +MODULE_SCOPE Tcl_Obj * +ClockLocalizeFormat( + ClockFmtScnCmdArgs *opts) +{ + ClockClientData *dataPtr = opts->clientData; + Tcl_Obj *valObj = NULL, *keyObj; + + keyObj = ClockFrmObjGetLocFmtKey(opts->interp, opts->formatObj); + + /* special case - format object is not localizable */ + if (keyObj == opts->formatObj) { + return opts->formatObj; + } + + if (opts->mcDictObj == NULL) { + ClockMCDict(opts); + if (opts->mcDictObj == NULL) + return NULL; + } + + /* try to find in cache within locale mc-catalog */ + if (Tcl_DictObjGet(NULL, opts->mcDictObj, + keyObj, &valObj) != TCL_OK) { + return NULL; + } + + /* call LocalizeFormat locale format fmtkey */ + if (valObj == NULL) { + Tcl_Obj *callargs[4]; + callargs[0] = dataPtr->literals[LIT_LOCALIZE_FORMAT]; + callargs[1] = opts->localeObj; + callargs[2] = opts->formatObj; + callargs[3] = keyObj; + Tcl_IncrRefCount(keyObj); + if (Tcl_EvalObjv(opts->interp, 4, callargs, 0) != TCL_OK + ) { + goto clean; + } + + valObj = Tcl_GetObjResult(opts->interp); + + /* cache it inside mc-dictionary (this incr. ref count of keyObj/valObj) */ + if (Tcl_DictObjPut(opts->interp, opts->mcDictObj, + keyObj, valObj) != TCL_OK + ) { + valObj = NULL; + goto clean; + } + + /* check special case - format object is not localizable */ + if (valObj == opts->formatObj) { + /* mark it as unlocalizable, by setting self as key (without refcount incr) */ + if (opts->formatObj->typePtr == &ClockFmtObjType) { + Tcl_UnsetObjRef(ObjLocFmtKey(opts->formatObj)); + ObjLocFmtKey(opts->formatObj) = opts->formatObj; + } + } +clean: + + Tcl_UnsetObjRef(keyObj); + if (valObj) { + Tcl_ResetResult(opts->interp); + } + } + + return (opts->formatObj = valObj); +} + +static const char * +FindTokenBegin( + register const char *p, + register const char *end, + ClockScanToken *tok) +{ + char c; + if (p < end) { + /* next token a known token type */ + switch (tok->map->type) { + case CTOKT_DIGIT: + /* should match at least one digit */ + while (!isdigit(UCHAR(*p)) && (p = TclUtfNext(p)) < end) {}; + return p; + break; + case CTOKT_WORD: + c = *(tok->tokWord.start); + /* should match at least to the first char of this word */ + while (*p != c && (p = TclUtfNext(p)) < end) {}; + return p; + break; + case CTOKT_SPACE: + while (!isspace(UCHAR(*p)) && (p = TclUtfNext(p)) < end) {}; + return p; + break; + case CTOKT_CHAR: + c = *((char *)tok->map->data); + while (*p != c && (p = TclUtfNext(p)) < end) {}; + return p; + break; + } + } + return p; +} + +/* + * DetermineGreedySearchLen -- + * + * Determine min/max lengths as exact as possible (speed, greedy match) + * + */ +static void +DetermineGreedySearchLen(ClockFmtScnCmdArgs *opts, + DateInfo *info, ClockScanToken *tok, + int *minLenPtr, int *maxLenPtr) +{ + register int minLen = tok->map->minSize; + register int maxLen; + register const char *p = yyInput + minLen, + *end = info->dateEnd; + + /* if still tokens available, try to correct minimum length */ + if ((tok+1)->map) { + end -= tok->endDistance + yySpaceCount; + /* find position of next known token */ + p = FindTokenBegin(p, end, tok+1); + if (p < end) { + minLen = p - yyInput; + } + } + + /* max length to the end regarding distance to end (min-width of following tokens) */ + maxLen = end - yyInput; + /* several amendments */ + if (maxLen > tok->map->maxSize) { + maxLen = tok->map->maxSize; + }; + if (minLen < tok->map->minSize) { + minLen = tok->map->minSize; + } + if (minLen > maxLen) { + maxLen = minLen; + } + if (maxLen > info->dateEnd - yyInput) { + maxLen = info->dateEnd - yyInput; + } + + /* check digits rigth now */ + if (tok->map->type == CTOKT_DIGIT) { + p = yyInput; + end = p + maxLen; + if (end > info->dateEnd) { end = info->dateEnd; }; + while (isdigit(UCHAR(*p)) && p < end) { p++; }; + maxLen = p - yyInput; + } + + /* try to get max length more precise for greedy match, + * check the next ahead token available there */ + if (minLen < maxLen && tok->lookAhTok) { + ClockScanToken *laTok = tok + tok->lookAhTok + 1; + p = yyInput + maxLen; + /* regards all possible spaces here (because they are optional) */ + end = p + tok->lookAhMax + yySpaceCount + 1; + if (end > info->dateEnd) { + end = info->dateEnd; + } + p += tok->lookAhMin; + if (laTok->map && p < end) { + const char *f; + /* try to find laTok between [lookAhMin, lookAhMax] */ + while (minLen < maxLen) { + f = FindTokenBegin(p, end, laTok); + /* if found (not below lookAhMax) */ + if (f < end) { + break; + } + /* try again with fewer length */ + maxLen--; + p--; + end--; + } + } else if (p > end) { + maxLen -= (p - end); + if (maxLen < minLen) { + maxLen = minLen; + } + } + } + + *minLenPtr = minLen; + *maxLenPtr = maxLen; +} + +static inline int +ObjListSearch(ClockFmtScnCmdArgs *opts, + DateInfo *info, int *val, + Tcl_Obj **lstv, int lstc, + int minLen, int maxLen) +{ + int i, l, lf = -1; + const char *s, *f, *sf; + /* search in list */ + for (i = 0; i < lstc; i++) { + s = TclGetString(lstv[i]); + l = lstv[i]->length; + + if ( l >= minLen + && (f = TclUtfFindEqualNC(yyInput, yyInput + maxLen, s, s + l, &sf)) > yyInput + ) { + l = f - yyInput; + if (l < minLen) { + continue; + } + /* found, try to find longest value (greedy search) */ + if (l < maxLen && minLen != maxLen) { + lf = i; + minLen = l + 1; + continue; + } + /* max possible - end of search */ + *val = i; + yyInput += l; + break; + } + } + + /* if found */ + if (i < lstc) { + return TCL_OK; + } + if (lf >= 0) { + *val = lf; + yyInput += minLen - 1; + return TCL_OK; + } + return TCL_RETURN; +} +#if 0 + +static int +LocaleListSearch(ClockFmtScnCmdArgs *opts, + DateInfo *info, int mcKey, int *val, + int minLen, int maxLen) +{ + Tcl_Obj **lstv; + int lstc; + Tcl_Obj *valObj; + + /* get msgcat value */ + valObj = ClockMCGet(opts, mcKey); + if (valObj == NULL) { + return TCL_ERROR; + } + + /* is a list */ + if (TclListObjGetElements(opts->interp, valObj, &lstc, &lstv) != TCL_OK) { + return TCL_ERROR; + } + + /* search in list */ + return ObjListSearch(opts, info, val, lstv, lstc, + minLen, maxLen); +} +#endif + +static TclStrIdxTree * +ClockMCGetListIdxTree( + ClockFmtScnCmdArgs *opts, + int mcKey) +{ + TclStrIdxTree * idxTree; + Tcl_Obj *objPtr = ClockMCGetIdx(opts, mcKey); + if ( objPtr != NULL + && (idxTree = TclStrIdxTreeGetFromObj(objPtr)) != NULL + ) { + return idxTree; + + } else { + /* build new index */ + + Tcl_Obj **lstv; + int lstc; + Tcl_Obj *valObj; + + objPtr = TclStrIdxTreeNewObj(); + if ((idxTree = TclStrIdxTreeGetFromObj(objPtr)) == NULL) { + goto done; /* unexpected, but ...*/ + } + + valObj = ClockMCGet(opts, mcKey); + if (valObj == NULL) { + goto done; + } + + if (TclListObjGetElements(opts->interp, valObj, + &lstc, &lstv) != TCL_OK) { + goto done; + }; + + if (TclStrIdxTreeBuildFromList(idxTree, lstc, lstv) != TCL_OK) { + goto done; + } + + ClockMCSetIdx(opts, mcKey, objPtr); + objPtr = NULL; + }; + +done: + if (objPtr) { + Tcl_DecrRefCount(objPtr); + idxTree = NULL; + } + + return idxTree; +} + +static TclStrIdxTree * +ClockMCGetMultiListIdxTree( + ClockFmtScnCmdArgs *opts, + int mcKey, + int *mcKeys) +{ + TclStrIdxTree * idxTree; + Tcl_Obj *objPtr = ClockMCGetIdx(opts, mcKey); + if ( objPtr != NULL + && (idxTree = TclStrIdxTreeGetFromObj(objPtr)) != NULL + ) { + return idxTree; + + } else { + /* build new index */ + + Tcl_Obj **lstv; + int lstc; + Tcl_Obj *valObj; + + objPtr = TclStrIdxTreeNewObj(); + if ((idxTree = TclStrIdxTreeGetFromObj(objPtr)) == NULL) { + goto done; /* unexpected, but ...*/ + } + + while (*mcKeys) { + + valObj = ClockMCGet(opts, *mcKeys); + if (valObj == NULL) { + goto done; + } + + if (TclListObjGetElements(opts->interp, valObj, + &lstc, &lstv) != TCL_OK) { + goto done; + }; + + if (TclStrIdxTreeBuildFromList(idxTree, lstc, lstv) != TCL_OK) { + goto done; + } + mcKeys++; + } + + ClockMCSetIdx(opts, mcKey, objPtr); + objPtr = NULL; + }; + +done: + if (objPtr) { + Tcl_DecrRefCount(objPtr); + idxTree = NULL; + } + + return idxTree; +} + +static inline int +ClockStrIdxTreeSearch(ClockFmtScnCmdArgs *opts, + DateInfo *info, TclStrIdxTree *idxTree, int *val, + int minLen, int maxLen) +{ + const char *f; + TclStrIdx *foundItem; + f = TclStrIdxTreeSearch(NULL, &foundItem, idxTree, + yyInput, yyInput + maxLen); + + if (f <= yyInput || (f - yyInput) < minLen) { + /* not found */ + return TCL_RETURN; + } + if (foundItem->value == -1) { + /* ambigous */ + return TCL_RETURN; + } + + *val = foundItem->value; + + /* shift input pointer */ + yyInput = f; + + return TCL_OK; +} +#if 0 + +static int +StaticListSearch(ClockFmtScnCmdArgs *opts, + DateInfo *info, const char **lst, int *val) +{ + int len; + const char **s = lst; + while (*s != NULL) { + len = strlen(*s); + if ( len <= info->dateEnd - yyInput + && strncasecmp(yyInput, *s, len) == 0 + ) { + *val = (s - lst); + yyInput += len; + break; + } + s++; + } + if (*s != NULL) { + return TCL_OK; + } + return TCL_RETURN; +} +#endif + +static inline const char * +FindWordEnd( + ClockScanToken *tok, + register const char * p, const char * end) +{ + register const char *x = tok->tokWord.start; + const char *pfnd = p; + if (x == tok->tokWord.end - 1) { /* fast phase-out for single char word */ + if (*p == *x) { + return ++p; + } + } + /* multi-char word */ + x = TclUtfFindEqualNC(x, tok->tokWord.end, p, end, &pfnd); + if (x < tok->tokWord.end) { + /* no match -> error */ + return NULL; + } + return pfnd; +} + +static int +ClockScnToken_Month_Proc(ClockFmtScnCmdArgs *opts, + DateInfo *info, ClockScanToken *tok) +{ +#if 0 + static const char * months[] = { + /* full */ + "January", "February", "March", + "April", "May", "June", + "July", "August", "September", + "October", "November", "December", + /* abbr */ + "Jan", "Feb", "Mar", "Apr", "May", "Jun", + "Jul", "Aug", "Sep", "Oct", "Nov", "Dec", + NULL + }; + int val; + if (StaticListSearch(opts, info, months, &val) != TCL_OK) { + return TCL_RETURN; + } + yyMonth = (val % 12) + 1; + return TCL_OK; +#endif + + static int monthsKeys[] = {MCLIT_MONTHS_FULL, MCLIT_MONTHS_ABBREV, 0}; + + int ret, val; + int minLen, maxLen; + TclStrIdxTree *idxTree; + + DetermineGreedySearchLen(opts, info, tok, &minLen, &maxLen); + + /* get or create tree in msgcat dict */ + + idxTree = ClockMCGetMultiListIdxTree(opts, MCLIT_MONTHS_COMB, monthsKeys); + if (idxTree == NULL) { + return TCL_ERROR; + } + + ret = ClockStrIdxTreeSearch(opts, info, idxTree, &val, minLen, maxLen); + if (ret != TCL_OK) { + return ret; + } + + yyMonth = val + 1; + return TCL_OK; + +} + +static int +ClockScnToken_DayOfWeek_Proc(ClockFmtScnCmdArgs *opts, + DateInfo *info, ClockScanToken *tok) +{ + static int dowKeys[] = {MCLIT_DAYS_OF_WEEK_ABBREV, MCLIT_DAYS_OF_WEEK_FULL, 0}; + + int ret, val; + int minLen, maxLen; + char curTok = *tok->tokWord.start; + TclStrIdxTree *idxTree; + + DetermineGreedySearchLen(opts, info, tok, &minLen, &maxLen); + + /* %u %w %Ou %Ow */ + if ( curTok != 'a' && curTok != 'A' + && ((minLen <= 1 && maxLen >= 1) || PTR2INT(tok->map->data)) + ) { + + val = -1; + + if (PTR2INT(tok->map->data) == 0) { + if (*yyInput >= '0' && *yyInput <= '9') { + val = *yyInput - '0'; + } + } else { + idxTree = ClockMCGetListIdxTree(opts, PTR2INT(tok->map->data) /* mcKey */); + if (idxTree == NULL) { + return TCL_ERROR; + } + + ret = ClockStrIdxTreeSearch(opts, info, idxTree, &val, minLen, maxLen); + if (ret != TCL_OK) { + return ret; + } + } + + if (val != -1) { + if (val == 0) { + val = 7; + } + if (val > 7) { + Tcl_SetResult(opts->interp, "day of week is greater than 7", + TCL_STATIC); + Tcl_SetErrorCode(opts->interp, "CLOCK", "badDayOfWeek", NULL); + return TCL_ERROR; + } + info->date.dayOfWeek = val; + yyInput++; + return TCL_OK; + } + + + return TCL_RETURN; + } + + /* %a %A */ + idxTree = ClockMCGetMultiListIdxTree(opts, MCLIT_DAYS_OF_WEEK_COMB, dowKeys); + if (idxTree == NULL) { + return TCL_ERROR; + } + + ret = ClockStrIdxTreeSearch(opts, info, idxTree, &val, minLen, maxLen); + if (ret != TCL_OK) { + return ret; + } + + if (val == 0) { + val = 7; + } + info->date.dayOfWeek = val; + return TCL_OK; + +} + +static int +ClockScnToken_amPmInd_Proc(ClockFmtScnCmdArgs *opts, + DateInfo *info, ClockScanToken *tok) +{ + int ret, val; + int minLen, maxLen; + Tcl_Obj *amPmObj[2]; + + DetermineGreedySearchLen(opts, info, tok, &minLen, &maxLen); + + amPmObj[0] = ClockMCGet(opts, MCLIT_AM); + amPmObj[1] = ClockMCGet(opts, MCLIT_PM); + + if (amPmObj[0] == NULL || amPmObj[1] == NULL) { + return TCL_ERROR; + } + + ret = ObjListSearch(opts, info, &val, amPmObj, 2, + minLen, maxLen); + if (ret != TCL_OK) { + return ret; + } + + if (val == 0) { + yyMeridian = MERam; + } else { + yyMeridian = MERpm; + } + + return TCL_OK; +} + +static int +ClockScnToken_LocaleERA_Proc(ClockFmtScnCmdArgs *opts, + DateInfo *info, ClockScanToken *tok) +{ + ClockClientData *dataPtr = opts->clientData; + + int ret, val; + int minLen, maxLen; + Tcl_Obj *eraObj[6]; + + DetermineGreedySearchLen(opts, info, tok, &minLen, &maxLen); + + eraObj[0] = ClockMCGet(opts, MCLIT_BCE); + eraObj[1] = ClockMCGet(opts, MCLIT_CE); + eraObj[2] = dataPtr->mcLiterals[MCLIT_BCE2]; + eraObj[3] = dataPtr->mcLiterals[MCLIT_CE2]; + eraObj[4] = dataPtr->mcLiterals[MCLIT_BCE3]; + eraObj[5] = dataPtr->mcLiterals[MCLIT_CE3]; + + if (eraObj[0] == NULL || eraObj[1] == NULL) { + return TCL_ERROR; + } + + ret = ObjListSearch(opts, info, &val, eraObj, 6, + minLen, maxLen); + if (ret != TCL_OK) { + return ret; + } + + if (val & 1) { + yydate.era = CE; + } else { + yydate.era = BCE; + } + + return TCL_OK; +} + +static int +ClockScnToken_LocaleListMatcher_Proc(ClockFmtScnCmdArgs *opts, + DateInfo *info, ClockScanToken *tok) +{ + int ret, val; + int minLen, maxLen; + TclStrIdxTree *idxTree; + + DetermineGreedySearchLen(opts, info, tok, &minLen, &maxLen); + + /* get or create tree in msgcat dict */ + + idxTree = ClockMCGetListIdxTree(opts, PTR2INT(tok->map->data) /* mcKey */); + if (idxTree == NULL) { + return TCL_ERROR; + } + + ret = ClockStrIdxTreeSearch(opts, info, idxTree, &val, minLen, maxLen); + if (ret != TCL_OK) { + return ret; + } + + if (tok->map->offs > 0) { + *(int *)(((char *)info) + tok->map->offs) = val; + } + + return TCL_OK; +} + +static int +ClockScnToken_TimeZone_Proc(ClockFmtScnCmdArgs *opts, + DateInfo *info, ClockScanToken *tok) +{ + int minLen, maxLen; + int len = 0; + register const char *p = yyInput; + Tcl_Obj *tzObjStor = NULL; + + DetermineGreedySearchLen(opts, info, tok, &minLen, &maxLen); + + /* numeric timezone */ + if (*p == '+' || *p == '-') { + /* max chars in numeric zone = "+00:00:00" */ + #define MAX_ZONE_LEN 9 + char buf[MAX_ZONE_LEN + 1]; + char *bp = buf; + *bp++ = *p++; len++; + if (maxLen > MAX_ZONE_LEN) + maxLen = MAX_ZONE_LEN; + /* cumulate zone into buf without ':' */ + while (len + 1 < maxLen) { + if (!isdigit(UCHAR(*p))) break; + *bp++ = *p++; len++; + if (!isdigit(UCHAR(*p))) break; + *bp++ = *p++; len++; + if (len + 2 < maxLen) { + if (*p == ':') { + p++; len++; + } + } + } + *bp = '\0'; + + if (len < minLen) { + return TCL_RETURN; + } + #undef MAX_ZONE_LEN + + /* timezone */ + tzObjStor = Tcl_NewStringObj(buf, bp-buf); + } else { + /* legacy (alnum) timezone like CEST, etc. */ + if (maxLen > 4) + maxLen = 4; + while (len < maxLen) { + if ( (*p & 0x80) + || (!isalpha(UCHAR(*p)) && !isdigit(UCHAR(*p))) + ) { /* INTL: ISO only. */ + break; + } + p++; len++; + } + + if (len < minLen) { + return TCL_RETURN; + } + + /* timezone */ + tzObjStor = Tcl_NewStringObj(yyInput, p-yyInput); + + /* convert using dict */ + } + + /* try to apply new time zone */ + Tcl_IncrRefCount(tzObjStor); + + opts->timezoneObj = ClockSetupTimeZone(opts->clientData, opts->interp, + tzObjStor); + + Tcl_DecrRefCount(tzObjStor); + if (opts->timezoneObj == NULL) { + return TCL_ERROR; + } + + yyInput += len; + + return TCL_OK; +} + +static int +ClockScnToken_StarDate_Proc(ClockFmtScnCmdArgs *opts, + DateInfo *info, ClockScanToken *tok) +{ + int minLen, maxLen; + register const char *p = yyInput, *end; const char *s; + int year, fractYear, fractDayDiv, fractDay; + static const char *stardatePref = "stardate "; + + DetermineGreedySearchLen(opts, info, tok, &minLen, &maxLen); + + end = yyInput + maxLen; + + /* stardate string */ + p = TclUtfFindEqualNCInLwr(p, end, stardatePref, stardatePref + 9, &s); + if (p >= end || p - yyInput < 9) { + return TCL_RETURN; + } + /* bypass spaces */ + while (p < end && isspace(UCHAR(*p))) { + p++; + } + if (p >= end) { + return TCL_RETURN; + } + /* currently positive stardate only */ + if (*p == '+') { p++; }; + s = p; + while (p < end && isdigit(UCHAR(*p))) { + p++; + } + if (p >= end || p - s < 4) { + return TCL_RETURN; + } + if ( _str2int(&year, s, p-3, 1) != TCL_OK + || _str2int(&fractYear, p-3, p, 1) != TCL_OK) { + return TCL_RETURN; + }; + if (*p++ != '.') { + return TCL_RETURN; + } + s = p; + fractDayDiv = 1; + while (p < end && isdigit(UCHAR(*p))) { + fractDayDiv *= 10; + p++; + } + if ( _str2int(&fractDay, s, p, 1) != TCL_OK) { + return TCL_RETURN; + }; + yyInput = p; + + /* Build a date from year and fraction. */ + + yydate.year = year + RODDENBERRY; + yydate.era = CE; + yydate.gregorian = 1; + + if (IsGregorianLeapYear(&yydate)) { + fractYear *= 366; + } else { + fractYear *= 365; + } + yydate.dayOfYear = fractYear / 1000 + 1; + if (fractYear % 1000 >= 500) { + yydate.dayOfYear++; + } + + GetJulianDayFromEraYearDay(&yydate, GREGORIAN_CHANGE_DATE); + + yydate.localSeconds = + -210866803200L + + ( SECONDS_PER_DAY * (Tcl_WideInt)yydate.julianDay ) + + ( SECONDS_PER_DAY * fractDay / fractDayDiv ); + + return TCL_OK; +} + +static const char *ScnSTokenMapIndex = + "dmbyYHMSpJjCgGVazUsntQ"; +static ClockScanTokenMap ScnSTokenMap[] = { + /* %d %e */ + {CTOKT_DIGIT, CLF_DAYOFMONTH, 0, 1, 2, TclOffset(DateInfo, date.dayOfMonth), + NULL}, + /* %m %N */ + {CTOKT_DIGIT, CLF_MONTH, 0, 1, 2, TclOffset(DateInfo, date.month), + NULL}, + /* %b %B %h */ + {CTOKT_PARSER, CLF_MONTH, 0, 0, 0xffff, 0, + ClockScnToken_Month_Proc}, + /* %y */ + {CTOKT_DIGIT, CLF_YEAR, 0, 1, 2, TclOffset(DateInfo, date.year), + NULL}, + /* %Y */ + {CTOKT_DIGIT, CLF_YEAR | CLF_CENTURY, 0, 4, 4, TclOffset(DateInfo, date.year), + NULL}, + /* %H %k %I %l */ + {CTOKT_DIGIT, CLF_TIME, 0, 1, 2, TclOffset(DateInfo, date.hour), + NULL}, + /* %M */ + {CTOKT_DIGIT, CLF_TIME, 0, 1, 2, TclOffset(DateInfo, date.minutes), + NULL}, + /* %S */ + {CTOKT_DIGIT, CLF_TIME, 0, 1, 2, TclOffset(DateInfo, date.secondOfDay), + NULL}, + /* %p %P */ + {CTOKT_PARSER, CLF_ISO8601, 0, 0, 0xffff, 0, + ClockScnToken_amPmInd_Proc, NULL}, + /* %J */ + {CTOKT_DIGIT, CLF_JULIANDAY, 0, 1, 0xffff, TclOffset(DateInfo, date.julianDay), + NULL}, + /* %j */ + {CTOKT_DIGIT, CLF_DAYOFYEAR, 0, 1, 3, TclOffset(DateInfo, date.dayOfYear), + NULL}, + /* %C */ + {CTOKT_DIGIT, CLF_CENTURY|CLF_ISO8601CENTURY, 0, 1, 2, TclOffset(DateInfo, dateCentury), + NULL}, + /* %g */ + {CTOKT_DIGIT, CLF_ISO8601YEAR | CLF_ISO8601, 0, 2, 2, TclOffset(DateInfo, date.iso8601Year), + NULL}, + /* %G */ + {CTOKT_DIGIT, CLF_ISO8601YEAR | CLF_ISO8601 | CLF_ISO8601CENTURY, 0, 4, 4, TclOffset(DateInfo, date.iso8601Year), + NULL}, + /* %V */ + {CTOKT_DIGIT, CLF_ISO8601, 0, 1, 2, TclOffset(DateInfo, date.iso8601Week), + NULL}, + /* %a %A %u %w */ + {CTOKT_PARSER, CLF_ISO8601, 0, 0, 0xffff, 0, + ClockScnToken_DayOfWeek_Proc, NULL}, + /* %z %Z */ + {CTOKT_PARSER, CLF_OPTIONAL, 0, 0, 0xffff, 0, + ClockScnToken_TimeZone_Proc, NULL}, + /* %U %W */ + {CTOKT_DIGIT, CLF_OPTIONAL, 0, 1, 2, 0, /* currently no capture, parse only token */ + NULL}, + /* %s */ + {CTOKT_DIGIT, CLF_POSIXSEC | CLF_SIGNED, 0, 1, 0xffff, TclOffset(DateInfo, date.seconds), + NULL}, + /* %n */ + {CTOKT_CHAR, 0, 0, 1, 1, 0, NULL, "\n"}, + /* %t */ + {CTOKT_CHAR, 0, 0, 1, 1, 0, NULL, "\t"}, + /* %Q */ + {CTOKT_PARSER, CLF_LOCALSEC, 0, 16, 30, 0, + ClockScnToken_StarDate_Proc, NULL}, +}; +static const char *ScnSTokenMapAliasIndex[2] = { + "eNBhkIlPAuwZW", + "dmbbHHHpaaazU" +}; + +static const char *ScnETokenMapIndex = + "Eys"; +static ClockScanTokenMap ScnETokenMap[] = { + /* %EE */ + {CTOKT_PARSER, 0, 0, 0, 0xffff, TclOffset(DateInfo, date.year), + ClockScnToken_LocaleERA_Proc, (void *)MCLIT_LOCALE_NUMERALS}, + /* %Ey */ + {CTOKT_PARSER, 0, 0, 0, 0xffff, 0, /* currently no capture, parse only token */ + ClockScnToken_LocaleListMatcher_Proc, (void *)MCLIT_LOCALE_NUMERALS}, + /* %Es */ + {CTOKT_DIGIT, CLF_LOCALSEC | CLF_SIGNED, 0, 1, 0xffff, TclOffset(DateInfo, date.localSeconds), + NULL}, +}; +static const char *ScnETokenMapAliasIndex[2] = { + "", + "" +}; + +static const char *ScnOTokenMapIndex = + "dmyHMSu"; +static ClockScanTokenMap ScnOTokenMap[] = { + /* %Od %Oe */ + {CTOKT_PARSER, CLF_DAYOFMONTH, 0, 0, 0xffff, TclOffset(DateInfo, date.dayOfMonth), + ClockScnToken_LocaleListMatcher_Proc, (void *)MCLIT_LOCALE_NUMERALS}, + /* %Om */ + {CTOKT_PARSER, CLF_MONTH, 0, 0, 0xffff, TclOffset(DateInfo, date.month), + ClockScnToken_LocaleListMatcher_Proc, (void *)MCLIT_LOCALE_NUMERALS}, + /* %Oy */ + {CTOKT_PARSER, CLF_YEAR, 0, 0, 0xffff, TclOffset(DateInfo, date.year), + ClockScnToken_LocaleListMatcher_Proc, (void *)MCLIT_LOCALE_NUMERALS}, + /* %OH %Ok %OI %Ol */ + {CTOKT_PARSER, CLF_TIME, 0, 0, 0xffff, TclOffset(DateInfo, date.hour), + ClockScnToken_LocaleListMatcher_Proc, (void *)MCLIT_LOCALE_NUMERALS}, + /* %OM */ + {CTOKT_PARSER, CLF_TIME, 0, 0, 0xffff, TclOffset(DateInfo, date.minutes), + ClockScnToken_LocaleListMatcher_Proc, (void *)MCLIT_LOCALE_NUMERALS}, + /* %OS */ + {CTOKT_PARSER, CLF_TIME, 0, 0, 0xffff, TclOffset(DateInfo, date.secondOfDay), + ClockScnToken_LocaleListMatcher_Proc, (void *)MCLIT_LOCALE_NUMERALS}, + /* %Ou Ow */ + {CTOKT_PARSER, CLF_ISO8601, 0, 0, 0xffff, 0, + ClockScnToken_DayOfWeek_Proc, (void *)MCLIT_LOCALE_NUMERALS}, +}; +static const char *ScnOTokenMapAliasIndex[2] = { + "ekIlw", + "dHHHu" +}; + +static const char *ScnSpecTokenMapIndex = + " "; +static ClockScanTokenMap ScnSpecTokenMap[] = { + {CTOKT_SPACE, 0, 0, 1, 1, 0, + NULL}, +}; + +static ClockScanTokenMap ScnWordTokenMap = { + CTOKT_WORD, 0, 0, 1, 1, 0, + NULL +}; + + +static inline unsigned int +EstimateTokenCount( + register const char *fmt, + register const char *end) +{ + register const char *p = fmt; + unsigned int tokcnt; + /* estimate token count by % char and format length */ + tokcnt = 0; + while (p <= end) { + if (*p++ == '%') { + tokcnt++; + p++; + } + } + p = fmt + tokcnt * 2; + if (p < end) { + if ((unsigned int)(end - p) < tokcnt) { + tokcnt += (end - p); + } else { + tokcnt += tokcnt; + } + } + return ++tokcnt; +} + +#define AllocTokenInChain(tok, chain, tokCnt) \ + if (++(tok) >= (chain) + (tokCnt)) { \ + *((char **)&chain) = ckrealloc((char *)(chain), \ + (tokCnt + CLOCK_MIN_TOK_CHAIN_BLOCK_SIZE) * sizeof(*(tok))); \ + if ((chain) == NULL) { goto done; }; \ + (tok) = (chain) + (tokCnt); \ + (tokCnt) += CLOCK_MIN_TOK_CHAIN_BLOCK_SIZE; \ + } \ + memset(tok, 0, sizeof(*(tok))); + +/* + *---------------------------------------------------------------------- + */ +ClockFmtScnStorage * +ClockGetOrParseScanFormat( + Tcl_Interp *interp, /* Tcl interpreter */ + Tcl_Obj *formatObj) /* Format container */ +{ + ClockFmtScnStorage *fss; + ClockScanToken *tok; + + fss = Tcl_GetClockFrmScnFromObj(interp, formatObj); + if (fss == NULL) { + return NULL; + } + + /* if first time scanning - tokenize format */ + if (fss->scnTok == NULL) { + unsigned int tokCnt; + register const char *p, *e, *cp; + + e = p = HashEntry4FmtScn(fss)->key.string; + e += strlen(p); + + /* estimate token count by % char and format length */ + fss->scnTokC = EstimateTokenCount(p, e); + + fss->scnSpaceCount = 0; + + Tcl_MutexLock(&ClockFmtMutex); + + fss->scnTok = tok = ckalloc(sizeof(*tok) * fss->scnTokC); + memset(tok, 0, sizeof(*(tok))); + tokCnt = 1; + while (p < e) { + switch (*p) { + case '%': + if (1) { + ClockScanTokenMap * scnMap = ScnSTokenMap; + const char *mapIndex = ScnSTokenMapIndex, + **aliasIndex = ScnSTokenMapAliasIndex; + if (p+1 >= e) { + goto word_tok; + } + p++; + /* try to find modifier: */ + switch (*p) { + case '%': + /* begin new word token - don't join with previous word token, + * because current mapping should be "...%%..." -> "...%..." */ + tok->map = &ScnWordTokenMap; + tok->tokWord.start = p; + tok->tokWord.end = p+1; + AllocTokenInChain(tok, fss->scnTok, fss->scnTokC); tokCnt++; + p++; + continue; + break; + case 'E': + scnMap = ScnETokenMap, + mapIndex = ScnETokenMapIndex, + aliasIndex = ScnETokenMapAliasIndex; + p++; + break; + case 'O': + scnMap = ScnOTokenMap, + mapIndex = ScnOTokenMapIndex, + aliasIndex = ScnOTokenMapAliasIndex; + p++; + break; + } + /* search direct index */ + cp = strchr(mapIndex, *p); + if (!cp || *cp == '\0') { + /* search wrapper index (multiple chars for same token) */ + cp = strchr(aliasIndex[0], *p); + if (!cp || *cp == '\0') { + p--; if (scnMap != ScnSTokenMap) p--; + goto word_tok; + } + cp = strchr(mapIndex, aliasIndex[1][cp - aliasIndex[0]]); + if (!cp || *cp == '\0') { /* unexpected, but ... */ + #ifdef DEBUG + Tcl_Panic("token \"%c\" has no map in wrapper resolver", *p); + #endif + p--; if (scnMap != ScnSTokenMap) p--; + goto word_tok; + } + } + tok->map = &scnMap[cp - mapIndex]; + tok->tokWord.start = p; + + /* calculate look ahead value by standing together tokens */ + if (tok > fss->scnTok) { + ClockScanToken *prevTok = tok - 1; + + while (prevTok >= fss->scnTok) { + if (prevTok->map->type != tok->map->type) { + break; + } + prevTok->lookAhMin += tok->map->minSize; + prevTok->lookAhMax += tok->map->maxSize; + prevTok->lookAhTok++; + prevTok--; + } + } + + /* increase space count used in format */ + if ( tok->map->type == CTOKT_CHAR + && isspace(UCHAR(*((char *)tok->map->data))) + ) { + fss->scnSpaceCount++; + } + + /* next token */ + AllocTokenInChain(tok, fss->scnTok, fss->scnTokC); tokCnt++; + p++; + continue; + } + break; + case ' ': + cp = strchr(ScnSpecTokenMapIndex, *p); + if (!cp || *cp == '\0') { + p--; + goto word_tok; + } + tok->map = &ScnSpecTokenMap[cp - ScnSpecTokenMapIndex]; + /* increase space count used in format */ + fss->scnSpaceCount++; + /* next token */ + AllocTokenInChain(tok, fss->scnTok, fss->scnTokC); tokCnt++; + p++; + continue; + break; + default: +word_tok: + if (1) { + ClockScanToken *wordTok = tok; + if (tok > fss->scnTok && (tok-1)->map == &ScnWordTokenMap) { + wordTok = tok-1; + } + /* new word token */ + if (wordTok == tok) { + wordTok->tokWord.start = p; + wordTok->map = &ScnWordTokenMap; + AllocTokenInChain(tok, fss->scnTok, fss->scnTokC); tokCnt++; + } + if (isspace(UCHAR(*p))) { + fss->scnSpaceCount++; + } + p = TclUtfNext(p); + wordTok->tokWord.end = p; + } + break; + } + } + + /* calculate end distance value for each tokens */ + if (tok > fss->scnTok) { + unsigned int endDist = 0; + ClockScanToken *prevTok = tok-1; + + while (prevTok >= fss->scnTok) { + prevTok->endDistance = endDist; + if (prevTok->map->type != CTOKT_WORD) { + endDist += prevTok->map->minSize; + } else { + endDist += prevTok->tokWord.end - prevTok->tokWord.start; + } + prevTok--; + } + } + + /* correct count of real used tokens and free mem if desired + * (1 is acceptable delta to prevent memory fragmentation) */ + if (fss->scnTokC > tokCnt + (CLOCK_MIN_TOK_CHAIN_BLOCK_SIZE / 2)) { + if ( (tok = ckrealloc(fss->scnTok, tokCnt * sizeof(*tok))) != NULL ) { + fss->scnTok = tok; + } + } + fss->scnTokC = tokCnt; + +done: + Tcl_MutexUnlock(&ClockFmtMutex); + } + + return fss; +} + +/* + *---------------------------------------------------------------------- + */ +int +ClockScan( + register DateInfo *info, /* Date fields used for parsing & converting */ + Tcl_Obj *strObj, /* String containing the time to scan */ + ClockFmtScnCmdArgs *opts) /* Command options */ +{ + ClockClientData *dataPtr = opts->clientData; + ClockFmtScnStorage *fss; + ClockScanToken *tok; + ClockScanTokenMap *map; + register const char *p, *x, *end; + unsigned short int flags = 0; + int ret = TCL_ERROR; + + /* get localized format */ + if (ClockLocalizeFormat(opts) == NULL) { + return TCL_ERROR; + } + + if ( !(fss = ClockGetOrParseScanFormat(opts->interp, opts->formatObj)) + || !(tok = fss->scnTok) + ) { + return TCL_ERROR; + } + + /* prepare parsing */ + + yyMeridian = MER24; + + p = TclGetString(strObj); + end = p + strObj->length; + /* in strict mode - bypass spaces at begin / end only (not between tokens) */ + if (opts->flags & CLF_STRICT) { + while (p < end && isspace(UCHAR(*p))) { + p++; + } + } + yyInput = p; + /* look ahead to count spaces (bypass it by count length and distances) */ + x = end; + while (p < end) { + if (isspace(UCHAR(*p))) { + x = p++; + yySpaceCount++; + continue; + } + x = end; + p++; + } + /* ignore spaces at end */ + yySpaceCount -= (end - x); + end = x; + /* ignore mandatory spaces used in format */ + yySpaceCount -= fss->scnSpaceCount; + if (yySpaceCount < 0) { + yySpaceCount = 0; + } + info->dateStart = p = yyInput; + info->dateEnd = end; + + /* parse string */ + for (; tok->map != NULL; tok++) { + map = tok->map; + /* bypass spaces at begin of input before parsing each token */ + if ( !(opts->flags & CLF_STRICT) + && ( map->type != CTOKT_SPACE + && map->type != CTOKT_WORD + && map->type != CTOKT_CHAR ) + ) { + while (p < end && isspace(UCHAR(*p))) { + yySpaceCount--; + p++; + } + } + yyInput = p; + /* end of input string */ + if (p >= end) { + break; + } + switch (map->type) + { + case CTOKT_DIGIT: + if (1) { + int minLen, size; + int sign = 1; + if (map->flags & CLF_SIGNED) { + if (*p == '+') { yyInput = ++p; } + else + if (*p == '-') { yyInput = ++p; sign = -1; }; + } + + DetermineGreedySearchLen(opts, info, tok, &minLen, &size); + + if (size < map->minSize) { + /* missing input -> error */ + if ((map->flags & CLF_OPTIONAL)) { + continue; + } + goto not_match; + } + /* string 2 number, put number into info structure by offset */ + if (map->offs) { + p = yyInput; x = p + size; + if (!(map->flags & (CLF_LOCALSEC|CLF_POSIXSEC))) { + if (_str2int((int *)(((char *)info) + map->offs), + p, x, sign) != TCL_OK) { + goto overflow; + } + p = x; + } else { + if (_str2wideInt((Tcl_WideInt *)(((char *)info) + map->offs), + p, x, sign) != TCL_OK) { + goto overflow; + } + p = x; + } + flags = (flags & ~map->clearFlags) | map->flags; + } + } + break; + case CTOKT_PARSER: + switch (map->parser(opts, info, tok)) { + case TCL_OK: + break; + case TCL_RETURN: + if ((map->flags & CLF_OPTIONAL)) { + yyInput = p; + continue; + } + goto not_match; + break; + default: + goto done; + break; + }; + /* decrement count for possible spaces in match */ + while (p < yyInput) { + if (isspace(UCHAR(*p++))) { + yySpaceCount--; + } + } + p = yyInput; + flags = (flags & ~map->clearFlags) | map->flags; + break; + case CTOKT_SPACE: + /* at least one space */ + if (!isspace(UCHAR(*p))) { + /* unmatched -> error */ + goto not_match; + } + yySpaceCount--; + p++; + while (p < end && isspace(UCHAR(*p))) { + yySpaceCount--; + p++; + } + break; + case CTOKT_WORD: + x = FindWordEnd(tok, p, end); + if (!x) { + /* no match -> error */ + goto not_match; + } + p = x; + break; + case CTOKT_CHAR: + x = (char *)map->data; + if (*x != *p) { + /* no match -> error */ + goto not_match; + } + if (isspace(UCHAR(*x))) { + yySpaceCount--; + } + p++; + break; + } + } + /* check end was reached */ + if (p < end) { + /* something after last token - wrong format */ + goto not_match; + } + /* end of string, check only optional tokens at end, otherwise - not match */ + while (tok->map != NULL) { + if (!(opts->flags & CLF_STRICT) && (tok->map->type == CTOKT_SPACE)) { + tok++; + if (tok->map == NULL) break; + } + if (!(tok->map->flags & CLF_OPTIONAL)) { + goto not_match; + } + tok++; + } + + /* + * Invalidate result + */ + + /* seconds token (%s) take precedence over all other tokens */ + if ((opts->flags & CLF_EXTENDED) || !(flags & CLF_POSIXSEC)) { + if (flags & CLF_DATE) { + + if (!(flags & CLF_JULIANDAY)) { + info->flags |= CLF_ASSEMBLE_SECONDS|CLF_ASSEMBLE_JULIANDAY; + + /* dd precedence below ddd */ + switch (flags & (CLF_MONTH|CLF_DAYOFYEAR|CLF_DAYOFMONTH)) { + case (CLF_DAYOFYEAR|CLF_DAYOFMONTH): + /* miss month: ddd over dd (without month) */ + flags &= ~CLF_DAYOFMONTH; + case (CLF_DAYOFYEAR): + /* ddd over naked weekday */ + if (!(flags & CLF_ISO8601YEAR)) { + flags &= ~CLF_ISO8601; + } + break; + case (CLF_MONTH|CLF_DAYOFYEAR|CLF_DAYOFMONTH): + /* both available: mmdd over ddd */ + flags &= ~CLF_DAYOFYEAR; + case (CLF_MONTH|CLF_DAYOFMONTH): + case (CLF_DAYOFMONTH): + /* mmdd / dd over naked weekday */ + if (!(flags & CLF_ISO8601YEAR)) { + flags &= ~CLF_ISO8601; + } + break; + } + + /* YearWeekDay below YearMonthDay */ + if ( (flags & CLF_ISO8601) + && ( (flags & (CLF_YEAR|CLF_DAYOFYEAR)) == (CLF_YEAR|CLF_DAYOFYEAR) + || (flags & (CLF_YEAR|CLF_DAYOFMONTH|CLF_MONTH)) == (CLF_YEAR|CLF_DAYOFMONTH|CLF_MONTH) + ) + ) { + /* yy precedence below yyyy */ + if (!(flags & CLF_ISO8601CENTURY) && (flags & CLF_CENTURY)) { + /* normally precedence of ISO is higher, but no century - so put it down */ + flags &= ~CLF_ISO8601; + } + else + /* yymmdd or yyddd over naked weekday */ + if (!(flags & CLF_ISO8601YEAR)) { + flags &= ~CLF_ISO8601; + } + } + + if (!(flags & CLF_ISO8601)) { + if (yyYear < 100) { + if (!(flags & CLF_CENTURY)) { + if (yyYear >= dataPtr->yearOfCenturySwitch) { + yyYear -= 100; + } + yyYear += dataPtr->currentYearCentury; + } else { + yyYear += info->dateCentury * 100; + } + } + } else { + if (info->date.iso8601Year < 100) { + if (!(flags & CLF_ISO8601CENTURY)) { + if (info->date.iso8601Year >= dataPtr->yearOfCenturySwitch) { + info->date.iso8601Year -= 100; + } + info->date.iso8601Year += dataPtr->currentYearCentury; + } else { + info->date.iso8601Year += info->dateCentury * 100; + } + } + } + } + } + + /* if no time - reset time */ + if (!(flags & (CLF_TIME|CLF_LOCALSEC|CLF_POSIXSEC))) { + info->flags |= CLF_ASSEMBLE_SECONDS; + yydate.localSeconds = 0; + } + + if (flags & CLF_TIME) { + info->flags |= CLF_ASSEMBLE_SECONDS; + yySeconds = ToSeconds(yyHour, yyMinutes, + yySeconds, yyMeridian); + } else + if (!(flags & (CLF_LOCALSEC|CLF_POSIXSEC))) { + info->flags |= CLF_ASSEMBLE_SECONDS; + yySeconds = yydate.localSeconds % SECONDS_PER_DAY; + } + } + + /* tell caller which flags were set */ + info->flags |= flags; + + ret = TCL_OK; + goto done; + +overflow: + + Tcl_SetResult(opts->interp, "requested date too large to represent", + TCL_STATIC); + Tcl_SetErrorCode(opts->interp, "CLOCK", "dateTooLarge", NULL); + goto done; + +not_match: + + Tcl_SetResult(opts->interp, "input string does not match supplied format", + TCL_STATIC); + Tcl_SetErrorCode(opts->interp, "CLOCK", "badInputString", NULL); + +done: + + return ret; +} + +static inline int +FrmResultAllocate( + register DateFormat *dateFmt, + int len) +{ + int needed = dateFmt->output + len - dateFmt->resEnd; + if (needed >= 0) { /* >= 0 - regards NTS zero */ + int newsize = dateFmt->resEnd - dateFmt->resMem + + needed + MIN_FMT_RESULT_BLOCK_ALLOC; + char *newRes = ckrealloc(dateFmt->resMem, newsize); + if (newRes == NULL) { + return TCL_ERROR; + } + dateFmt->output = newRes + (dateFmt->output - dateFmt->resMem); + dateFmt->resMem = newRes; + dateFmt->resEnd = newRes + newsize; + } + return TCL_OK; +} + +static int +ClockFmtToken_HourAMPM_Proc( + ClockFmtScnCmdArgs *opts, + DateFormat *dateFmt, + ClockFormatToken *tok, + int *val) +{ + *val = ( ( ( *val % SECONDS_PER_DAY ) + SECONDS_PER_DAY - 3600 ) / 3600 ) % 12 + 1; + return TCL_OK; +} + +static int +ClockFmtToken_AMPM_Proc( + ClockFmtScnCmdArgs *opts, + DateFormat *dateFmt, + ClockFormatToken *tok, + int *val) +{ + Tcl_Obj *mcObj; + const char *s; + int len; + + if ((*val % SECONDS_PER_DAY) < (SECONDS_PER_DAY / 2)) { + mcObj = ClockMCGet(opts, MCLIT_AM); + } else { + mcObj = ClockMCGet(opts, MCLIT_PM); + } + if (mcObj == NULL) { + return TCL_ERROR; + } + s = TclGetString(mcObj); len = mcObj->length; + if (FrmResultAllocate(dateFmt, len) != TCL_OK) { return TCL_ERROR; }; + memcpy(dateFmt->output, s, len + 1); + if (*tok->tokWord.start == 'p') { + len = Tcl_UtfToUpper(dateFmt->output); + } + dateFmt->output += len; + + return TCL_OK; +} + +static int +ClockFmtToken_StarDate_Proc( + ClockFmtScnCmdArgs *opts, + DateFormat *dateFmt, + ClockFormatToken *tok, + int *val) + { + int fractYear; + /* Get day of year, zero based */ + int doy = dateFmt->date.dayOfYear - 1; + + /* Convert day of year to a fractional year */ + if (IsGregorianLeapYear(&dateFmt->date)) { + fractYear = 1000 * doy / 366; + } else { + fractYear = 1000 * doy / 365; + } + + /* Put together the StarDate as "Stardate %02d%03d.%1d" */ + if (FrmResultAllocate(dateFmt, 30) != TCL_OK) { return TCL_ERROR; }; + memcpy(dateFmt->output, "Stardate ", 9); + dateFmt->output += 9; + dateFmt->output = _itoaw(dateFmt->output, + dateFmt->date.year - RODDENBERRY, '0', 2); + dateFmt->output = _itoaw(dateFmt->output, + fractYear, '0', 3); + *dateFmt->output++ = '.'; + dateFmt->output = _itoaw(dateFmt->output, + dateFmt->date.localSeconds % SECONDS_PER_DAY / ( SECONDS_PER_DAY / 10 ), '0', 1); + + return TCL_OK; +} +static int +ClockFmtToken_WeekOfYear_Proc( + ClockFmtScnCmdArgs *opts, + DateFormat *dateFmt, + ClockFormatToken *tok, + int *val) +{ + int dow = dateFmt->date.dayOfWeek; + if (*tok->tokWord.start == 'U') { + if (dow == 7) { + dow = 0; + } + dow++; + } + *val = ( dateFmt->date.dayOfYear - dow + 7 ) / 7; + return TCL_OK; +} +static int +ClockFmtToken_TimeZone_Proc( + ClockFmtScnCmdArgs *opts, + DateFormat *dateFmt, + ClockFormatToken *tok, + int *val) +{ + if (*tok->tokWord.start == 'z') { + int z = dateFmt->date.tzOffset; + char sign = '+'; + if ( z < 0 ) { + z = -z; + sign = '-'; + } + if (FrmResultAllocate(dateFmt, 7) != TCL_OK) { return TCL_ERROR; }; + *dateFmt->output++ = sign; + dateFmt->output = _itoaw(dateFmt->output, z / 3600, '0', 2); + z %= 3600; + dateFmt->output = _itoaw(dateFmt->output, z / 60, '0', 2); + z %= 60; + if (z != 0) { + dateFmt->output = _itoaw(dateFmt->output, z, '0', 2); + } + } else { + Tcl_Obj * objPtr; + const char *s; int len; + /* convert seconds to local seconds to obtain tzName object */ + if (ConvertUTCToLocal(opts->clientData, opts->interp, + &dateFmt->date, opts->timezoneObj, + GREGORIAN_CHANGE_DATE) != TCL_OK) { + return TCL_ERROR; + }; + objPtr = dateFmt->date.tzName; + s = TclGetString(objPtr); + len = objPtr->length; + if (FrmResultAllocate(dateFmt, len) != TCL_OK) { return TCL_ERROR; }; + memcpy(dateFmt->output, s, len + 1); + dateFmt->output += len; + } + return TCL_OK; +} + +static int +ClockFmtToken_LocaleERA_Proc( + ClockFmtScnCmdArgs *opts, + DateFormat *dateFmt, + ClockFormatToken *tok, + int *val) +{ + Tcl_Obj *mcObj; + const char *s; + int len; + + if (dateFmt->date.era == BCE) { + mcObj = ClockMCGet(opts, MCLIT_BCE); + } else { + mcObj = ClockMCGet(opts, MCLIT_CE); + } + if (mcObj == NULL) { + return TCL_ERROR; + } + s = TclGetString(mcObj); len = mcObj->length; + if (FrmResultAllocate(dateFmt, len) != TCL_OK) { return TCL_ERROR; }; + memcpy(dateFmt->output, s, len + 1); + dateFmt->output += len; + + return TCL_OK; +} + +static int +ClockFmtToken_LocaleERAYear_Proc( + ClockFmtScnCmdArgs *opts, + DateFormat *dateFmt, + ClockFormatToken *tok, + int *val) +{ + int rowc; + Tcl_Obj **rowv; + + if (dateFmt->localeEra == NULL) { + Tcl_Obj *mcObj = ClockMCGet(opts, MCLIT_LOCALE_ERAS); + if (mcObj == NULL) { + return TCL_ERROR; + } + if (TclListObjGetElements(opts->interp, mcObj, &rowc, &rowv) != TCL_OK) { + return TCL_ERROR; + } + if (rowc != 0) { + dateFmt->localeEra = LookupLastTransition(opts->interp, + dateFmt->date.localSeconds, rowc, rowv, NULL); + } + if (dateFmt->localeEra == NULL) { + dateFmt->localeEra = (Tcl_Obj*)1; + } + } + + /* if no LOCALE_ERAS in catalog or era not found */ + if (dateFmt->localeEra == (Tcl_Obj*)1) { + if (FrmResultAllocate(dateFmt, 11) != TCL_OK) { return TCL_ERROR; }; + if (*tok->tokWord.start == 'C') { /* %EC */ + *val = dateFmt->date.year / 100; + dateFmt->output = _itoaw(dateFmt->output, + *val, '0', 2); + } else { /* %Ey */ + *val = dateFmt->date.year % 100; + dateFmt->output = _itoaw(dateFmt->output, + *val, '0', 2); + } + } else { + Tcl_Obj *objPtr; + const char *s; + int len; + if (*tok->tokWord.start == 'C') { /* %EC */ + if (Tcl_ListObjIndex(opts->interp, dateFmt->localeEra, 1, + &objPtr) != TCL_OK ) { + return TCL_ERROR; + } + } else { /* %Ey */ + if (Tcl_ListObjIndex(opts->interp, dateFmt->localeEra, 2, + &objPtr) != TCL_OK ) { + return TCL_ERROR; + } + if (Tcl_GetIntFromObj(opts->interp, objPtr, val) != TCL_OK) { + return TCL_ERROR; + } + *val = dateFmt->date.year - *val; + /* if year in locale numerals */ + if (*val >= 0 && *val < 100) { + /* year as integer */ + Tcl_Obj * mcObj = ClockMCGet(opts, MCLIT_LOCALE_NUMERALS); + if (mcObj == NULL) { + return TCL_ERROR; + } + if (Tcl_ListObjIndex(opts->interp, mcObj, *val, &objPtr) != TCL_OK) { + return TCL_ERROR; + } + } else { + /* year as integer */ + if (FrmResultAllocate(dateFmt, 11) != TCL_OK) { return TCL_ERROR; }; + dateFmt->output = _itoaw(dateFmt->output, + *val, '0', 2); + return TCL_OK; + } + } + s = TclGetString(objPtr); + len = objPtr->length; + if (FrmResultAllocate(dateFmt, len) != TCL_OK) { return TCL_ERROR; }; + memcpy(dateFmt->output, s, len + 1); + dateFmt->output += len; + } + return TCL_OK; +} + + +static const char *FmtSTokenMapIndex = + "demNbByYCHMSIklpaAuwUVzgGjJsntQ"; +static ClockFormatTokenMap FmtSTokenMap[] = { + /* %d */ + {CFMTT_INT, "0", 2, 0, 0, 0, TclOffset(DateFormat, date.dayOfMonth), NULL}, + /* %e */ + {CFMTT_INT, " ", 2, 0, 0, 0, TclOffset(DateFormat, date.dayOfMonth), NULL}, + /* %m */ + {CFMTT_INT, "0", 2, 0, 0, 0, TclOffset(DateFormat, date.month), NULL}, + /* %N */ + {CFMTT_INT, " ", 2, 0, 0, 0, TclOffset(DateFormat, date.month), NULL}, + /* %b %h */ + {CFMTT_INT, NULL, 0, CLFMT_LOCALE_INDX | CLFMT_DECR, 0, 12, TclOffset(DateFormat, date.month), + NULL, (void *)MCLIT_MONTHS_ABBREV}, + /* %B */ + {CFMTT_INT, NULL, 0, CLFMT_LOCALE_INDX | CLFMT_DECR, 0, 12, TclOffset(DateFormat, date.month), + NULL, (void *)MCLIT_MONTHS_FULL}, + /* %y */ + {CFMTT_INT, "0", 2, 0, 0, 100, TclOffset(DateFormat, date.year), NULL}, + /* %Y */ + {CFMTT_INT, "0", 4, 0, 0, 0, TclOffset(DateFormat, date.year), NULL}, + /* %C */ + {CFMTT_INT, "0", 2, 0, 100, 0, TclOffset(DateFormat, date.year), NULL}, + /* %H */ + {CFMTT_INT, "0", 2, 0, 3600, 24, TclOffset(DateFormat, date.secondOfDay), NULL}, + /* %M */ + {CFMTT_INT, "0", 2, 0, 60, 60, TclOffset(DateFormat, date.secondOfDay), NULL}, + /* %S */ + {CFMTT_INT, "0", 2, 0, 0, 60, TclOffset(DateFormat, date.secondOfDay), NULL}, + /* %I */ + {CFMTT_INT, "0", 2, CLFMT_CALC, 0, 0, TclOffset(DateFormat, date.secondOfDay), + ClockFmtToken_HourAMPM_Proc, NULL}, + /* %k */ + {CFMTT_INT, " ", 2, 0, 3600, 24, TclOffset(DateFormat, date.secondOfDay), NULL}, + /* %l */ + {CFMTT_INT, " ", 2, CLFMT_CALC, 0, 0, TclOffset(DateFormat, date.secondOfDay), + ClockFmtToken_HourAMPM_Proc, NULL}, + /* %p %P */ + {CFMTT_INT, NULL, 0, 0, 0, 0, TclOffset(DateFormat, date.secondOfDay), + ClockFmtToken_AMPM_Proc, NULL}, + /* %a */ + {CFMTT_INT, NULL, 0, CLFMT_LOCALE_INDX, 0, 7, TclOffset(DateFormat, date.dayOfWeek), + NULL, (void *)MCLIT_DAYS_OF_WEEK_ABBREV}, + /* %A */ + {CFMTT_INT, NULL, 0, CLFMT_LOCALE_INDX, 0, 7, TclOffset(DateFormat, date.dayOfWeek), + NULL, (void *)MCLIT_DAYS_OF_WEEK_FULL}, + /* %u */ + {CFMTT_INT, " ", 1, 0, 0, 0, TclOffset(DateFormat, date.dayOfWeek), NULL}, + /* %w */ + {CFMTT_INT, " ", 1, 0, 0, 7, TclOffset(DateFormat, date.dayOfWeek), NULL}, + /* %U %W */ + {CFMTT_INT, "0", 2, CLFMT_CALC, 0, 0, TclOffset(DateFormat, date.dayOfYear), + ClockFmtToken_WeekOfYear_Proc, NULL}, + /* %V */ + {CFMTT_INT, "0", 2, 0, 0, 0, TclOffset(DateFormat, date.iso8601Week), NULL}, + /* %z %Z */ + {CFMTT_INT, NULL, 0, 0, 0, 0, 0, + ClockFmtToken_TimeZone_Proc, NULL}, + /* %g */ + {CFMTT_INT, "0", 2, 0, 0, 100, TclOffset(DateFormat, date.iso8601Year), NULL}, + /* %G */ + {CFMTT_INT, "0", 4, 0, 0, 0, TclOffset(DateFormat, date.iso8601Year), NULL}, + /* %j */ + {CFMTT_INT, "0", 3, 0, 0, 0, TclOffset(DateFormat, date.dayOfYear), NULL}, + /* %J */ + {CFMTT_INT, "0", 7, 0, 0, 0, TclOffset(DateFormat, date.julianDay), NULL}, + /* %s */ + {CFMTT_WIDE, "0", 1, 0, 0, 0, TclOffset(DateFormat, date.seconds), NULL}, + /* %n */ + {CTOKT_CHAR, "\n", 0, 0, 0, 0, 0, NULL}, + /* %t */ + {CTOKT_CHAR, "\t", 0, 0, 0, 0, 0, NULL}, + /* %Q */ + {CFMTT_INT, NULL, 0, 0, 0, 0, 0, + ClockFmtToken_StarDate_Proc, NULL}, +}; +static const char *FmtSTokenMapAliasIndex[2] = { + "hPWZ", + "bpUz" +}; + +static const char *FmtETokenMapIndex = + "Eys"; +static ClockFormatTokenMap FmtETokenMap[] = { + /* %EE */ + {CFMTT_INT, NULL, 0, 0, 0, 0, TclOffset(DateFormat, date.era), + ClockFmtToken_LocaleERA_Proc, NULL}, + /* %Ey %EC */ + {CFMTT_INT, NULL, 0, 0, 0, 0, TclOffset(DateFormat, date.year), + ClockFmtToken_LocaleERAYear_Proc, NULL}, + /* %Es */ + {CFMTT_WIDE, "0", 1, 0, 0, 0, TclOffset(DateFormat, date.localSeconds), NULL}, +}; +static const char *FmtETokenMapAliasIndex[2] = { + "C", + "y" +}; + +static const char *FmtOTokenMapIndex = + "dmyHIMSuw"; +static ClockFormatTokenMap FmtOTokenMap[] = { + /* %Od %Oe */ + {CFMTT_INT, NULL, 0, CLFMT_LOCALE_INDX, 0, 100, TclOffset(DateFormat, date.dayOfMonth), + NULL, (void *)MCLIT_LOCALE_NUMERALS}, + /* %Om */ + {CFMTT_INT, NULL, 0, CLFMT_LOCALE_INDX, 0, 100, TclOffset(DateFormat, date.month), + NULL, (void *)MCLIT_LOCALE_NUMERALS}, + /* %Oy */ + {CFMTT_INT, NULL, 0, CLFMT_LOCALE_INDX, 0, 100, TclOffset(DateFormat, date.year), + NULL, (void *)MCLIT_LOCALE_NUMERALS}, + /* %OH %Ok */ + {CFMTT_INT, NULL, 0, CLFMT_LOCALE_INDX, 3600, 24, TclOffset(DateFormat, date.secondOfDay), + NULL, (void *)MCLIT_LOCALE_NUMERALS}, + /* %OI %Ol */ + {CFMTT_INT, NULL, 0, CLFMT_CALC | CLFMT_LOCALE_INDX, 0, 0, TclOffset(DateFormat, date.secondOfDay), + ClockFmtToken_HourAMPM_Proc, (void *)MCLIT_LOCALE_NUMERALS}, + /* %OM */ + {CFMTT_INT, NULL, 0, CLFMT_LOCALE_INDX, 60, 60, TclOffset(DateFormat, date.secondOfDay), + NULL, (void *)MCLIT_LOCALE_NUMERALS}, + /* %OS */ + {CFMTT_INT, NULL, 0, CLFMT_LOCALE_INDX, 0, 60, TclOffset(DateFormat, date.secondOfDay), + NULL, (void *)MCLIT_LOCALE_NUMERALS}, + /* %Ou */ + {CFMTT_INT, NULL, 0, CLFMT_LOCALE_INDX, 0, 100, TclOffset(DateFormat, date.dayOfWeek), + NULL, (void *)MCLIT_LOCALE_NUMERALS}, + /* %Ow */ + {CFMTT_INT, NULL, 0, CLFMT_LOCALE_INDX, 0, 7, TclOffset(DateFormat, date.dayOfWeek), + NULL, (void *)MCLIT_LOCALE_NUMERALS}, +}; +static const char *FmtOTokenMapAliasIndex[2] = { + "ekl", + "dHI" +}; + +static ClockFormatTokenMap FmtWordTokenMap = { + CTOKT_WORD, NULL, 0, 0, 0, 0, 0, NULL +}; + +/* + *---------------------------------------------------------------------- + */ +ClockFmtScnStorage * +ClockGetOrParseFmtFormat( + Tcl_Interp *interp, /* Tcl interpreter */ + Tcl_Obj *formatObj) /* Format container */ +{ + ClockFmtScnStorage *fss; + ClockFormatToken *tok; + + fss = Tcl_GetClockFrmScnFromObj(interp, formatObj); + if (fss == NULL) { + return NULL; + } + + /* if first time scanning - tokenize format */ + if (fss->fmtTok == NULL) { + unsigned int tokCnt; + register const char *p, *e, *cp; + + e = p = HashEntry4FmtScn(fss)->key.string; + e += strlen(p); + + /* estimate token count by % char and format length */ + fss->fmtTokC = EstimateTokenCount(p, e); + + Tcl_MutexLock(&ClockFmtMutex); + + fss->fmtTok = tok = ckalloc(sizeof(*tok) * fss->fmtTokC); + memset(tok, 0, sizeof(*(tok))); + tokCnt = 1; + while (p < e) { + switch (*p) { + case '%': + if (1) { + ClockFormatTokenMap * fmtMap = FmtSTokenMap; + const char *mapIndex = FmtSTokenMapIndex, + **aliasIndex = FmtSTokenMapAliasIndex; + if (p+1 >= e) { + goto word_tok; + } + p++; + /* try to find modifier: */ + switch (*p) { + case '%': + /* begin new word token - don't join with previous word token, + * because current mapping should be "...%%..." -> "...%..." */ + tok->map = &FmtWordTokenMap; + tok->tokWord.start = p; + tok->tokWord.end = p+1; + AllocTokenInChain(tok, fss->fmtTok, fss->fmtTokC); tokCnt++; + p++; + continue; + break; + case 'E': + fmtMap = FmtETokenMap, + mapIndex = FmtETokenMapIndex, + aliasIndex = FmtETokenMapAliasIndex; + p++; + break; + case 'O': + fmtMap = FmtOTokenMap, + mapIndex = FmtOTokenMapIndex, + aliasIndex = FmtOTokenMapAliasIndex; + p++; + break; + } + /* search direct index */ + cp = strchr(mapIndex, *p); + if (!cp || *cp == '\0') { + /* search wrapper index (multiple chars for same token) */ + cp = strchr(aliasIndex[0], *p); + if (!cp || *cp == '\0') { + p--; if (fmtMap != FmtSTokenMap) p--; + goto word_tok; + } + cp = strchr(mapIndex, aliasIndex[1][cp - aliasIndex[0]]); + if (!cp || *cp == '\0') { /* unexpected, but ... */ + #ifdef DEBUG + Tcl_Panic("token \"%c\" has no map in wrapper resolver", *p); + #endif + p--; if (fmtMap != FmtSTokenMap) p--; + goto word_tok; + } + } + tok->map = &fmtMap[cp - mapIndex]; + tok->tokWord.start = p; + /* next token */ + AllocTokenInChain(tok, fss->fmtTok, fss->fmtTokC); tokCnt++; + p++; + continue; + } + break; + default: +word_tok: + if (1) { + ClockFormatToken *wordTok = tok; + if (tok > fss->fmtTok && (tok-1)->map == &FmtWordTokenMap) { + wordTok = tok-1; + } + if (wordTok == tok) { + wordTok->tokWord.start = p; + wordTok->map = &FmtWordTokenMap; + AllocTokenInChain(tok, fss->fmtTok, fss->fmtTokC); tokCnt++; + } + p = TclUtfNext(p); + wordTok->tokWord.end = p; + } + break; + } + } + + /* correct count of real used tokens and free mem if desired + * (1 is acceptable delta to prevent memory fragmentation) */ + if (fss->fmtTokC > tokCnt + (CLOCK_MIN_TOK_CHAIN_BLOCK_SIZE / 2)) { + if ( (tok = ckrealloc(fss->fmtTok, tokCnt * sizeof(*tok))) != NULL ) { + fss->fmtTok = tok; + } + } + fss->fmtTokC = tokCnt; + +done: + Tcl_MutexUnlock(&ClockFmtMutex); + } + + return fss; +} + +/* + *---------------------------------------------------------------------- + */ +int +ClockFormat( + register DateFormat *dateFmt, /* Date fields used for parsing & converting */ + ClockFmtScnCmdArgs *opts) /* Command options */ +{ + ClockFmtScnStorage *fss; + ClockFormatToken *tok; + ClockFormatTokenMap *map; + + /* get localized format */ + if (ClockLocalizeFormat(opts) == NULL) { + return TCL_ERROR; + } + + if ( !(fss = ClockGetOrParseFmtFormat(opts->interp, opts->formatObj)) + || !(tok = fss->fmtTok) + ) { + return TCL_ERROR; + } + + /* prepare formatting */ + dateFmt->date.secondOfDay = (int)(dateFmt->date.localSeconds % SECONDS_PER_DAY); + if (dateFmt->date.secondOfDay < 0) { + dateFmt->date.secondOfDay += SECONDS_PER_DAY; + } + + /* result container object */ + dateFmt->resMem = ckalloc(MIN_FMT_RESULT_BLOCK_ALLOC); + if (dateFmt->resMem == NULL) { + return TCL_ERROR; + } + dateFmt->output = dateFmt->resMem; + dateFmt->resEnd = dateFmt->resMem + MIN_FMT_RESULT_BLOCK_ALLOC; + *dateFmt->output = '\0'; + + /* do format each token */ + for (; tok->map != NULL; tok++) { + map = tok->map; + switch (map->type) + { + case CFMTT_INT: + if (1) { + int val = (int)*(int *)(((char *)dateFmt) + map->offs); + if (map->fmtproc == NULL) { + if (map->flags & CLFMT_DECR) { + val--; + } + if (map->flags & CLFMT_INCR) { + val++; + } + if (map->divider) { + val /= map->divider; + } + if (map->divmod) { + val %= map->divmod; + } + } else { + if (map->fmtproc(opts, dateFmt, tok, &val) != TCL_OK) { + goto done; + } + /* if not calculate only (output inside fmtproc) */ + if (!(map->flags & CLFMT_CALC)) { + continue; + } + } + if (!(map->flags & CLFMT_LOCALE_INDX)) { + if (FrmResultAllocate(dateFmt, 11) != TCL_OK) { goto error; }; + if (map->width) { + dateFmt->output = _itoaw(dateFmt->output, val, *map->tostr, map->width); + } else { + dateFmt->output += sprintf(dateFmt->output, map->tostr, val); + } + } else { + const char *s; + Tcl_Obj * mcObj = ClockMCGet(opts, PTR2INT(map->data) /* mcKey */); + if (mcObj == NULL) { + goto error; + } + if ( Tcl_ListObjIndex(opts->interp, mcObj, val, &mcObj) != TCL_OK + || mcObj == NULL + ) { + goto error; + } + s = TclGetString(mcObj); + if (FrmResultAllocate(dateFmt, mcObj->length) != TCL_OK) { goto error; }; + memcpy(dateFmt->output, s, mcObj->length + 1); + dateFmt->output += mcObj->length; + } + } + break; + case CFMTT_WIDE: + if (1) { + Tcl_WideInt val = *(Tcl_WideInt *)(((char *)dateFmt) + map->offs); + if (FrmResultAllocate(dateFmt, 21) != TCL_OK) { goto error; }; + if (map->width) { + dateFmt->output = _witoaw(dateFmt->output, val, *map->tostr, map->width); + } else { + dateFmt->output += sprintf(dateFmt->output, map->tostr, val); + } + } + break; + case CTOKT_CHAR: + if (FrmResultAllocate(dateFmt, 1) != TCL_OK) { goto error; }; + *dateFmt->output++ = *map->tostr; + break; + case CFMTT_PROC: + if (map->fmtproc(opts, dateFmt, tok, NULL) != TCL_OK) { + goto error; + }; + break; + case CTOKT_WORD: + if (1) { + int len = tok->tokWord.end - tok->tokWord.start; + if (FrmResultAllocate(dateFmt, len) != TCL_OK) { goto error; }; + if (len == 1) { + *dateFmt->output++ = *tok->tokWord.start; + } else { + memcpy(dateFmt->output, tok->tokWord.start, len); + dateFmt->output += len; + } + } + break; + } + } + + goto done; + +error: + + ckfree(dateFmt->resMem); + dateFmt->resMem = NULL; + +done: + + if (dateFmt->resMem) { + Tcl_Obj * result = Tcl_NewObj(); + result->length = dateFmt->output - dateFmt->resMem; + result->bytes = NULL; + result->bytes = ckrealloc(dateFmt->resMem, result->length+1); + if (result->bytes == NULL) { + result->bytes = dateFmt->resMem; + } + result->bytes[result->length] = '\0'; + Tcl_SetObjResult(opts->interp, result); + return TCL_OK; + } + + return TCL_ERROR; +} + + +MODULE_SCOPE void +ClockFrmScnClearCaches(void) +{ + Tcl_MutexLock(&ClockFmtMutex); + /* clear caches ... */ + Tcl_MutexUnlock(&ClockFmtMutex); +} + +static void +ClockFrmScnFinalize( + ClientData clientData) /* Not used. */ +{ + Tcl_MutexLock(&ClockFmtMutex); +#if CLOCK_FMT_SCN_STORAGE_GC_SIZE > 0 + /* clear GC */ + ClockFmtScnStorage_GC.stackPtr = NULL; + ClockFmtScnStorage_GC.stackBound = NULL; + ClockFmtScnStorage_GC.count = 0; +#endif + if (initialized) { + Tcl_DeleteHashTable(&FmtScnHashTable); + initialized = 0; + } + Tcl_MutexUnlock(&ClockFmtMutex); + Tcl_MutexFinalize(&ClockFmtMutex); +} +/* + * Local Variables: + * mode: c + * c-basic-offset: 4 + * fill-column: 78 + * End: + */ diff --git a/generic/tclDate.c b/generic/tclDate.c index e4dd00043227..64cb80420389 100644 --- a/generic/tclDate.c +++ b/generic/tclDate.c @@ -1,24 +1,22 @@ -/* A Bison parser, made by GNU Bison 2.3. */ +/* A Bison parser, made by GNU Bison 2.4.2. */ /* Skeleton implementation for Bison's Yacc-like parsers in C - - Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006 - Free Software Foundation, Inc. - - This program is free software; you can redistribute it and/or modify + + Copyright (C) 1984, 1989-1990, 2000-2006, 2009-2010 Free Software + Foundation, Inc. + + This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - + You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, - Boston, MA 02110-1301, USA. */ + along with this program. If not, see . */ /* As a special exception, you may create a larger work that contains part or all of the Bison parser skeleton and distribute that work @@ -29,7 +27,7 @@ special exception, which will cause the skeleton and the resulting Bison output files to be licensed under the GNU General Public License without this special exception. - + This special exception was added by the Free Software Foundation in version 2.2 of Bison. */ @@ -47,7 +45,7 @@ #define YYBISON 1 /* Bison version. */ -#define YYBISON_VERSION "2.3" +#define YYBISON_VERSION "2.4.2" /* Skeleton name. */ #define YYSKELETON_NAME "yacc.c" @@ -55,65 +53,24 @@ /* Pure parsers. */ #define YYPURE 1 +/* Push parsers. */ +#define YYPUSH 0 + +/* Pull parsers. */ +#define YYPULL 1 + /* Using locations. */ #define YYLSP_NEEDED 1 /* Substitute the variable and function names. */ -#define yyparse TclDateparse -#define yylex TclDatelex -#define yyerror TclDateerror -#define yylval TclDatelval -#define yychar TclDatechar -#define yydebug TclDatedebug -#define yynerrs TclDatenerrs -#define yylloc TclDatelloc - -/* Tokens. */ -#ifndef YYTOKENTYPE -# define YYTOKENTYPE - /* Put the tokens into the symbol table, so that GDB and other debuggers - know about them. */ - enum yytokentype { - tAGO = 258, - tDAY = 259, - tDAYZONE = 260, - tID = 261, - tMERIDIAN = 262, - tMONTH = 263, - tMONTH_UNIT = 264, - tSTARDATE = 265, - tSEC_UNIT = 266, - tSNUMBER = 267, - tUNUMBER = 268, - tZONE = 269, - tEPOCH = 270, - tDST = 271, - tISOBASE = 272, - tDAY_UNIT = 273, - tNEXT = 274 - }; -#endif -/* Tokens. */ -#define tAGO 258 -#define tDAY 259 -#define tDAYZONE 260 -#define tID 261 -#define tMERIDIAN 262 -#define tMONTH 263 -#define tMONTH_UNIT 264 -#define tSTARDATE 265 -#define tSEC_UNIT 266 -#define tSNUMBER 267 -#define tUNUMBER 268 -#define tZONE 269 -#define tEPOCH 270 -#define tDST 271 -#define tISOBASE 272 -#define tDAY_UNIT 273 -#define tNEXT 274 - - - +#define yyparse TclDateparse +#define yylex TclDatelex +#define yyerror TclDateerror +#define yylval TclDatelval +#define yychar TclDatechar +#define yydebug TclDatedebug +#define yynerrs TclDatenerrs +#define yylloc TclDatelloc /* Copy the first part of user declarations. */ @@ -129,6 +86,7 @@ * * See the file "license.terms" for information on usage and redistribution of * this file, and for a DISCLAIMER OF ALL WARRANTIES. + * */ #include "tclInt.h" @@ -146,73 +104,11 @@ * parsed fields will be returned. */ -typedef struct DateInfo { - - Tcl_Obj* messages; /* Error messages */ - const char* separatrix; /* String separating messages */ - - time_t dateYear; - time_t dateMonth; - time_t dateDay; - int dateHaveDate; - - time_t dateHour; - time_t dateMinutes; - time_t dateSeconds; - int dateMeridian; - int dateHaveTime; - - time_t dateTimezone; - int dateDSTmode; - int dateHaveZone; - - time_t dateRelMonth; - time_t dateRelDay; - time_t dateRelSeconds; - int dateHaveRel; - - time_t dateMonthOrdinal; - int dateHaveOrdinalMonth; - - time_t dateDayOrdinal; - time_t dateDayNumber; - int dateHaveDay; - - const char *dateStart; - const char *dateInput; - time_t *dateRelPointer; - - int dateDigitCount; -} DateInfo; +#include "tclDate.h" #define YYMALLOC ckalloc #define YYFREE(x) (ckfree((void*) (x))) -#define yyDSTmode (info->dateDSTmode) -#define yyDayOrdinal (info->dateDayOrdinal) -#define yyDayNumber (info->dateDayNumber) -#define yyMonthOrdinal (info->dateMonthOrdinal) -#define yyHaveDate (info->dateHaveDate) -#define yyHaveDay (info->dateHaveDay) -#define yyHaveOrdinalMonth (info->dateHaveOrdinalMonth) -#define yyHaveRel (info->dateHaveRel) -#define yyHaveTime (info->dateHaveTime) -#define yyHaveZone (info->dateHaveZone) -#define yyTimezone (info->dateTimezone) -#define yyDay (info->dateDay) -#define yyMonth (info->dateMonth) -#define yyYear (info->dateYear) -#define yyHour (info->dateHour) -#define yyMinutes (info->dateMinutes) -#define yySeconds (info->dateSeconds) -#define yyMeridian (info->dateMeridian) -#define yyRelMonth (info->dateRelMonth) -#define yyRelDay (info->dateRelDay) -#define yyRelSeconds (info->dateRelSeconds) -#define yyRelPointer (info->dateRelPointer) -#define yyInput (info->dateInput) -#define yyDigitCount (info->dateDigitCount) - #define EPOCH 1970 #define START_OF_TIME 1902 #define END_OF_TIME 2037 @@ -246,13 +142,6 @@ typedef enum _DSTMODE { DSTon, DSToff, DSTmaybe } DSTMODE; -/* - * Meridian: am, pm, or 24-hour style. - */ - -typedef enum _MERIDIAN { - MERam, MERpm, MER24 -} MERIDIAN; @@ -274,19 +163,49 @@ typedef enum _MERIDIAN { # define YYTOKEN_TABLE 0 #endif + +/* Tokens. */ +#ifndef YYTOKENTYPE +# define YYTOKENTYPE + /* Put the tokens into the symbol table, so that GDB and other debuggers + know about them. */ + enum yytokentype { + tAGO = 258, + tDAY = 259, + tDAYZONE = 260, + tID = 261, + tMERIDIAN = 262, + tMONTH = 263, + tMONTH_UNIT = 264, + tSTARDATE = 265, + tSEC_UNIT = 266, + tSNUMBER = 267, + tUNUMBER = 268, + tZONE = 269, + tEPOCH = 270, + tDST = 271, + tISOBASE = 272, + tDAY_UNIT = 273, + tNEXT = 274 + }; +#endif + + + #if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED typedef union YYSTYPE - { + + time_t Number; enum _MERIDIAN Meridian; -} -/* Line 187 of yacc.c. */ - YYSTYPE; + + +} YYSTYPE; +# define YYSTYPE_IS_TRIVIAL 1 # define yystype YYSTYPE /* obsolescent; will be withdrawn */ # define YYSTYPE_IS_DECLARED 1 -# define YYSTYPE_IS_TRIVIAL 1 #endif #if ! defined YYLTYPE && ! defined YYLTYPE_IS_DECLARED @@ -316,14 +235,10 @@ static int LookupWord(YYSTYPE* yylvalPtr, char *buff); DateInfo* info, const char *s); static int TclDatelex(YYSTYPE* yylvalPtr, YYLTYPE* location, DateInfo* info); -static time_t ToSeconds(time_t Hours, time_t Minutes, - time_t Seconds, MERIDIAN Meridian); MODULE_SCOPE int yyparse(DateInfo*); -/* Line 216 of yacc.c. */ - #ifdef short # undef short @@ -359,15 +274,21 @@ typedef short int yytype_int16; #ifndef YYSIZE_T # ifdef __SIZE_TYPE__ # define YYSIZE_T __SIZE_TYPE__ -# else +# elif defined size_t +# define YYSIZE_T size_t +# elif ! defined YYSIZE_T && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +# include /* INFRINGES ON USER NAME SPACE */ # define YYSIZE_T size_t +# else +# define YYSIZE_T unsigned int # endif #endif #define YYSIZE_MAXIMUM ((YYSIZE_T) -1) #ifndef YY_ -# if YYENABLE_NLS +# if defined YYENABLE_NLS && YYENABLE_NLS # if ENABLE_NLS # include /* INFRINGES ON USER NAME SPACE */ # define YY_(msgid) dgettext ("bison-runtime", msgid) @@ -392,14 +313,14 @@ typedef short int yytype_int16; #if (defined __STDC__ || defined __C99__FUNC__ \ || defined __cplusplus || defined _MSC_VER) static int -YYID (int i) +YYID (int yyi) #else static int -YYID (i) - int i; +YYID (yyi) + int yyi; #endif { - return i; + return yyi; } #endif @@ -481,9 +402,9 @@ void free (void *); /* INFRINGES ON USER NAME SPACE */ /* A type that is properly aligned for any stack member. */ union yyalloc { - yytype_int16 yyss; - YYSTYPE yyvs; - YYLTYPE yyls; + yytype_int16 yyss_alloc; + YYSTYPE yyvs_alloc; + YYLTYPE yyls_alloc; }; /* The size of the maximum gap between one aligned stack and the next. */ @@ -518,12 +439,12 @@ union yyalloc elements in the stack, and YYPTR gives the new location of the stack. Advance YYPTR to a properly aligned location for the next stack. */ -# define YYSTACK_RELOCATE(Stack) \ +# define YYSTACK_RELOCATE(Stack_alloc, Stack) \ do \ { \ YYSIZE_T yynewbytes; \ - YYCOPY (&yyptr->Stack, Stack, yysize); \ - Stack = &yyptr->Stack; \ + YYCOPY (&yyptr->Stack_alloc, Stack, yysize); \ + Stack = &yyptr->Stack_alloc; \ yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \ yyptr += yynewbytes / sizeof (*yyptr); \ } \ @@ -624,12 +545,12 @@ static const yytype_int8 yyrhs[] = /* YYRLINE[YYN] -- source line where rule number YYN was defined. */ static const yytype_uint16 yyrline[] = { - 0, 225, 225, 226, 229, 232, 235, 238, 241, 244, - 247, 251, 256, 259, 265, 271, 279, 285, 296, 300, - 304, 310, 314, 318, 322, 326, 332, 336, 341, 346, - 351, 356, 360, 365, 369, 374, 381, 385, 391, 400, - 409, 419, 433, 438, 441, 444, 447, 450, 453, 458, - 461, 466, 470, 474, 480, 498, 501 + 0, 152, 152, 153, 156, 159, 162, 165, 168, 171, + 174, 178, 183, 186, 192, 198, 206, 212, 223, 227, + 231, 237, 241, 245, 249, 253, 259, 263, 268, 273, + 278, 283, 287, 292, 296, 301, 308, 312, 318, 327, + 336, 346, 360, 365, 368, 371, 374, 377, 380, 385, + 388, 393, 397, 401, 407, 425, 428 }; #endif @@ -783,9 +704,18 @@ static const yytype_uint8 yystos[] = /* Like YYERROR except do call yyerror. This remains here temporarily to ease the transition to the new meaning of YYERROR, for GCC. - Once GCC version 2 has supplanted version 1, this can go. */ + Once GCC version 2 has supplanted version 1, this can go. However, + YYFAIL appears to be in use. Nevertheless, it is formally deprecated + in Bison 2.4.2's NEWS entry, where a plan to phase it out is + discussed. */ #define YYFAIL goto yyerrlab +#if defined YYFAIL + /* This is here to suppress warnings from the GCC cpp's + -Wunused-macros. Normally we don't worry about that warning, but + some users do, and we want to make it easy for users to remove + YYFAIL uses, which will produce warnings from Bison 2.5. */ +#endif #define YYRECOVERING() (!!yyerrstatus) @@ -842,7 +772,7 @@ while (YYID (0)) we won't break user code: when these are the locations we know. */ #ifndef YY_LOCATION_PRINT -# if YYLTYPE_IS_TRIVIAL +# if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL # define YY_LOCATION_PRINT(File, Loc) \ fprintf (File, "%d.%d-%d.%d", \ (Loc).first_line, (Loc).first_column, \ @@ -961,17 +891,20 @@ yy_symbol_print (yyoutput, yytype, yyvaluep, yylocationp, info) #if (defined __STDC__ || defined __C99__FUNC__ \ || defined __cplusplus || defined _MSC_VER) static void -yy_stack_print (yytype_int16 *bottom, yytype_int16 *top) +yy_stack_print (yytype_int16 *yybottom, yytype_int16 *yytop) #else static void -yy_stack_print (bottom, top) - yytype_int16 *bottom; - yytype_int16 *top; +yy_stack_print (yybottom, yytop) + yytype_int16 *yybottom; + yytype_int16 *yytop; #endif { YYFPRINTF (stderr, "Stack now"); - for (; bottom <= top; ++bottom) - YYFPRINTF (stderr, " %d", *bottom); + for (; yybottom <= yytop; yybottom++) + { + int yybot = *yybottom; + YYFPRINTF (stderr, " %d", yybot); + } YYFPRINTF (stderr, "\n"); } @@ -1007,11 +940,11 @@ yy_reduce_print (yyvsp, yylsp, yyrule, info) /* The symbols being reduced. */ for (yyi = 0; yyi < yynrhs; yyi++) { - fprintf (stderr, " $%d = ", yyi + 1); + YYFPRINTF (stderr, " $%d = ", yyi + 1); yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi], &(yyvsp[(yyi + 1) - (yynrhs)]) , &(yylsp[(yyi + 1) - (yynrhs)]) , info); - fprintf (stderr, "\n"); + YYFPRINTF (stderr, "\n"); } } @@ -1295,10 +1228,8 @@ yydestruct (yymsg, yytype, yyvaluep, yylocationp, info) break; } } - /* Prevent warnings from -Wmissing-prototypes. */ - #ifdef YYPARSE_PARAM #if defined __STDC__ || defined __cplusplus int yyparse (void *YYPARSE_PARAM); @@ -1317,10 +1248,9 @@ int yyparse (); - -/*----------. -| yyparse. | -`----------*/ +/*-------------------------. +| yyparse or yypush_parse. | +`-------------------------*/ #ifdef YYPARSE_PARAM #if (defined __STDC__ || defined __C99__FUNC__ \ @@ -1344,88 +1274,97 @@ yyparse (info) #endif #endif { - /* The look-ahead symbol. */ +/* The lookahead symbol. */ int yychar; -/* The semantic value of the look-ahead symbol. */ +/* The semantic value of the lookahead symbol. */ YYSTYPE yylval; -/* Number of syntax errors so far. */ -int yynerrs; -/* Location data for the look-ahead symbol. */ +/* Location data for the lookahead symbol. */ YYLTYPE yylloc; - int yystate; - int yyn; - int yyresult; - /* Number of tokens to shift before error messages enabled. */ - int yyerrstatus; - /* Look-ahead token as an internal (translated) token number. */ - int yytoken = 0; -#if YYERROR_VERBOSE - /* Buffer for error messages, and its allocated size. */ - char yymsgbuf[128]; - char *yymsg = yymsgbuf; - YYSIZE_T yymsg_alloc = sizeof yymsgbuf; -#endif + /* Number of syntax errors so far. */ + int yynerrs; - /* Three stacks and their tools: - `yyss': related to states, - `yyvs': related to semantic values, - `yyls': related to locations. + int yystate; + /* Number of tokens to shift before error messages enabled. */ + int yyerrstatus; - Refer to the stacks thru separate pointers, to allow yyoverflow - to reallocate them elsewhere. */ + /* The stacks and their tools: + `yyss': related to states. + `yyvs': related to semantic values. + `yyls': related to locations. - /* The state stack. */ - yytype_int16 yyssa[YYINITDEPTH]; - yytype_int16 *yyss = yyssa; - yytype_int16 *yyssp; + Refer to the stacks thru separate pointers, to allow yyoverflow + to reallocate them elsewhere. */ - /* The semantic value stack. */ - YYSTYPE yyvsa[YYINITDEPTH]; - YYSTYPE *yyvs = yyvsa; - YYSTYPE *yyvsp; + /* The state stack. */ + yytype_int16 yyssa[YYINITDEPTH]; + yytype_int16 *yyss; + yytype_int16 *yyssp; - /* The location stack. */ - YYLTYPE yylsa[YYINITDEPTH]; - YYLTYPE *yyls = yylsa; - YYLTYPE *yylsp; - /* The locations where the error started and ended. */ - YYLTYPE yyerror_range[2]; + /* The semantic value stack. */ + YYSTYPE yyvsa[YYINITDEPTH]; + YYSTYPE *yyvs; + YYSTYPE *yyvsp; -#define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N), yylsp -= (N)) + /* The location stack. */ + YYLTYPE yylsa[YYINITDEPTH]; + YYLTYPE *yyls; + YYLTYPE *yylsp; - YYSIZE_T yystacksize = YYINITDEPTH; + /* The locations where the error started and ended. */ + YYLTYPE yyerror_range[2]; + YYSIZE_T yystacksize; + + int yyn; + int yyresult; + /* Lookahead token as an internal (translated) token number. */ + int yytoken; /* The variables used to return semantic value and location from the action routines. */ YYSTYPE yyval; YYLTYPE yyloc; +#if YYERROR_VERBOSE + /* Buffer for error messages, and its allocated size. */ + char yymsgbuf[128]; + char *yymsg = yymsgbuf; + YYSIZE_T yymsg_alloc = sizeof yymsgbuf; +#endif + +#define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N), yylsp -= (N)) + /* The number of symbols on the RHS of the reduced rule. Keep to zero when no symbol should be popped. */ int yylen = 0; + yytoken = 0; + yyss = yyssa; + yyvs = yyvsa; + yyls = yylsa; + yystacksize = YYINITDEPTH; + YYDPRINTF ((stderr, "Starting parse\n")); yystate = 0; yyerrstatus = 0; yynerrs = 0; - yychar = YYEMPTY; /* Cause a token to be read. */ + yychar = YYEMPTY; /* Cause a token to be read. */ /* Initialize stack pointers. Waste one element of value and location stack so that they stay on the same level as the state stack. The wasted elements are never initialized. */ - yyssp = yyss; yyvsp = yyvs; yylsp = yyls; -#if YYLTYPE_IS_TRIVIAL + +#if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL /* Initialize the default location before parsing starts. */ yylloc.first_line = yylloc.last_line = 1; - yylloc.first_column = yylloc.last_column = 0; + yylloc.first_column = yylloc.last_column = 1; #endif goto yysetstate; @@ -1464,6 +1403,7 @@ YYLTYPE yylloc; &yyvs1, yysize * sizeof (*yyvsp), &yyls1, yysize * sizeof (*yylsp), &yystacksize); + yyls = yyls1; yyss = yyss1; yyvs = yyvs1; @@ -1485,9 +1425,9 @@ YYLTYPE yylloc; (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize)); if (! yyptr) goto yyexhaustedlab; - YYSTACK_RELOCATE (yyss); - YYSTACK_RELOCATE (yyvs); - YYSTACK_RELOCATE (yyls); + YYSTACK_RELOCATE (yyss_alloc, yyss); + YYSTACK_RELOCATE (yyvs_alloc, yyvs); + YYSTACK_RELOCATE (yyls_alloc, yyls); # undef YYSTACK_RELOCATE if (yyss1 != yyssa) YYSTACK_FREE (yyss1); @@ -1508,6 +1448,9 @@ YYLTYPE yylloc; YYDPRINTF ((stderr, "Entering state %d\n", yystate)); + if (yystate == YYFINAL) + YYACCEPT; + goto yybackup; /*-----------. @@ -1516,16 +1459,16 @@ YYLTYPE yylloc; yybackup: /* Do appropriate processing given the current state. Read a - look-ahead token if we need one and don't already have one. */ + lookahead token if we need one and don't already have one. */ - /* First try to decide what to do without reference to look-ahead token. */ + /* First try to decide what to do without reference to lookahead token. */ yyn = yypact[yystate]; if (yyn == YYPACT_NINF) goto yydefault; - /* Not known => get a look-ahead token if don't already have one. */ + /* Not known => get a lookahead token if don't already have one. */ - /* YYCHAR is either YYEMPTY or YYEOF or a valid look-ahead symbol. */ + /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol. */ if (yychar == YYEMPTY) { YYDPRINTF ((stderr, "Reading a token: ")); @@ -1557,20 +1500,16 @@ YYLTYPE yylloc; goto yyreduce; } - if (yyn == YYFINAL) - YYACCEPT; - /* Count tokens shifted since error; after three, turn off error status. */ if (yyerrstatus) yyerrstatus--; - /* Shift the look-ahead token. */ + /* Shift the lookahead token. */ YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc); - /* Discard the shifted token unless it is eof. */ - if (yychar != YYEOF) - yychar = YYEMPTY; + /* Discard the shifted token. */ + yychar = YYEMPTY; yystate = yyn; *++yyvsp = yylval; @@ -1878,16 +1817,16 @@ YYLTYPE yylloc; case 36: { - yyMonthOrdinal = 1; - yyMonth = (yyvsp[(2) - (2)].Number); + yyMonthOrdinalIncr = 1; + yyMonthOrdinal = (yyvsp[(2) - (2)].Number); ;} break; case 37: { - yyMonthOrdinal = (yyvsp[(2) - (3)].Number); - yyMonth = (yyvsp[(3) - (3)].Number); + yyMonthOrdinalIncr = (yyvsp[(2) - (3)].Number); + yyMonthOrdinal = (yyvsp[(3) - (3)].Number); ;} break; @@ -2062,7 +2001,6 @@ YYLTYPE yylloc; break; -/* Line 1267 of yacc.c. */ default: break; } @@ -2139,7 +2077,7 @@ YYLTYPE yylloc; if (yyerrstatus == 3) { - /* If just tried and failed to reuse look-ahead token after an + /* If just tried and failed to reuse lookahead token after an error, discard it. */ if (yychar <= YYEOF) @@ -2156,7 +2094,7 @@ YYLTYPE yylloc; } } - /* Else will try to reuse look-ahead token after shifting the error + /* Else will try to reuse lookahead token after shifting the error token. */ goto yyerrlab1; @@ -2214,14 +2152,11 @@ YYLTYPE yylloc; YY_STACK_PRINT (yyss, yyssp); } - if (yyn == YYFINAL) - YYACCEPT; - *++yyvsp = yylval; yyerror_range[1] = yylloc; /* Using YYLLOC is tempting, but would change the location of - the look-ahead. YYLOC is available though. */ + the lookahead. YYLOC is available though. */ YYLLOC_DEFAULT (yyloc, (yyerror_range - 1), 2); *++yylsp = yyloc; @@ -2246,7 +2181,7 @@ YYLTYPE yylloc; yyresult = 1; goto yyreturn; -#ifndef yyoverflow +#if !defined(yyoverflow) || YYERROR_VERBOSE /*-------------------------------------------------. | yyexhaustedlab -- memory exhaustion comes here. | `-------------------------------------------------*/ @@ -2257,7 +2192,7 @@ YYLTYPE yylloc; #endif yyreturn: - if (yychar != YYEOF && yychar != YYEMPTY) + if (yychar != YYEMPTY) yydestruct ("Cleanup: discarding lookahead", yytoken, &yylval, &yylloc, info); /* Do not reclaim the symbols of the rule which action triggered @@ -2513,11 +2448,11 @@ TclDateerror( infoPtr->separatrix = "\n"; } -static time_t +MODULE_SCOPE int ToSeconds( - time_t Hours, - time_t Minutes, - time_t Seconds, + int Hours, + int Minutes, + int Seconds, MERIDIAN Meridian) { if (Minutes < 0 || Minutes > 59 || Seconds < 0 || Seconds > 59) { @@ -2680,7 +2615,7 @@ TclDatelex( location->first_column = yyInput - info->dateStart; for ( ; ; ) { - while (TclIsSpaceProc(*yyInput)) { + while (isspace(UCHAR(*yyInput))) { yyInput++; } @@ -2740,65 +2675,36 @@ TclDatelex( } while (Count > 0); } } - + int -TclClockOldscanObjCmd( - ClientData clientData, /* Unused */ +TclClockFreeScan( Tcl_Interp *interp, /* Tcl interpreter */ - int objc, /* Count of paraneters */ - Tcl_Obj *const *objv) /* Parameters */ + DateInfo *info) /* Input and result parameters */ { - Tcl_Obj *result, *resultElement; - int yr, mo, da; - DateInfo dateInfo; - DateInfo* info = &dateInfo; int status; - if (objc != 5) { - Tcl_WrongNumArgs(interp, 1, objv, - "stringToParse baseYear baseMonth baseDay" ); - return TCL_ERROR; - } - - yyInput = Tcl_GetString( objv[1] ); - dateInfo.dateStart = yyInput; - - yyHaveDate = 0; - if (Tcl_GetIntFromObj(interp, objv[2], &yr) != TCL_OK - || Tcl_GetIntFromObj(interp, objv[3], &mo) != TCL_OK - || Tcl_GetIntFromObj(interp, objv[4], &da) != TCL_OK) { - return TCL_ERROR; - } - yyYear = yr; yyMonth = mo; yyDay = da; - - yyHaveTime = 0; - yyHour = 0; yyMinutes = 0; yySeconds = 0; yyMeridian = MER24; - - yyHaveZone = 0; - yyTimezone = 0; yyDSTmode = DSTmaybe; - - yyHaveOrdinalMonth = 0; - yyMonthOrdinal = 0; - - yyHaveDay = 0; - yyDayOrdinal = 0; yyDayNumber = 0; + /* + * yyInput = stringToParse; + * + * ClockInitDateInfo(info) should be executed to pre-init info; + */ - yyHaveRel = 0; - yyRelMonth = 0; yyRelDay = 0; yyRelSeconds = 0; yyRelPointer = NULL; + yyDSTmode = DSTmaybe; - dateInfo.messages = Tcl_NewObj(); - dateInfo.separatrix = ""; - Tcl_IncrRefCount(dateInfo.messages); + info->messages = Tcl_NewObj(); + info->separatrix = ""; + Tcl_IncrRefCount(info->messages); - status = yyparse(&dateInfo); + info->dateStart = yyInput; + status = yyparse(info); if (status == 1) { - Tcl_SetObjResult(interp, dateInfo.messages); - Tcl_DecrRefCount(dateInfo.messages); + Tcl_SetObjResult(interp, info->messages); + Tcl_DecrRefCount(info->messages); Tcl_SetErrorCode(interp, "TCL", "VALUE", "DATE", "PARSE", NULL); return TCL_ERROR; } else if (status == 2) { Tcl_SetObjResult(interp, Tcl_NewStringObj("memory exhausted", -1)); - Tcl_DecrRefCount(dateInfo.messages); + Tcl_DecrRefCount(info->messages); Tcl_SetErrorCode(interp, "TCL", "MEMORY", NULL); return TCL_ERROR; } else if (status != 0) { @@ -2806,11 +2712,11 @@ TclClockOldscanObjCmd( "from date parser. Please " "report this error as a " "bug in Tcl.", -1)); - Tcl_DecrRefCount(dateInfo.messages); + Tcl_DecrRefCount(info->messages); Tcl_SetErrorCode(interp, "TCL", "BUG", NULL); return TCL_ERROR; } - Tcl_DecrRefCount(dateInfo.messages); + Tcl_DecrRefCount(info->messages); if (yyHaveDate > 1) { Tcl_SetObjResult(interp, @@ -2843,6 +2749,40 @@ TclClockOldscanObjCmd( return TCL_ERROR; } + return TCL_OK; +} + +int +TclClockOldscanObjCmd( + ClientData clientData, /* Unused */ + Tcl_Interp *interp, /* Tcl interpreter */ + int objc, /* Count of paraneters */ + Tcl_Obj *const *objv) /* Parameters */ +{ + Tcl_Obj *result, *resultElement; + int yr, mo, da; + DateInfo dateInfo; + DateInfo* info = &dateInfo; + + if (objc != 5) { + Tcl_WrongNumArgs(interp, 1, objv, + "stringToParse baseYear baseMonth baseDay" ); + return TCL_ERROR; + } + + yyInput = Tcl_GetString( objv[1] ); + + if (Tcl_GetIntFromObj(interp, objv[2], &yr) != TCL_OK + || Tcl_GetIntFromObj(interp, objv[3], &mo) != TCL_OK + || Tcl_GetIntFromObj(interp, objv[4], &da) != TCL_OK) { + return TCL_ERROR; + } + yyYear = yr; yyMonth = mo; yyDay = da; + + if (TclClockFreeScan(interp, info) != TCL_OK) { + return TCL_ERROR; + } + result = Tcl_NewObj(); resultElement = Tcl_NewObj(); if (yyHaveDate) { @@ -2894,9 +2834,9 @@ TclClockOldscanObjCmd( resultElement = Tcl_NewObj(); if (yyHaveOrdinalMonth) { Tcl_ListObjAppendElement(interp, resultElement, - Tcl_NewIntObj((int) yyMonthOrdinal)); + Tcl_NewIntObj((int) yyMonthOrdinalIncr)); Tcl_ListObjAppendElement(interp, resultElement, - Tcl_NewIntObj((int) yyMonth)); + Tcl_NewIntObj((int) yyMonthOrdinal)); } Tcl_ListObjAppendElement(interp, result, resultElement); diff --git a/generic/tclDate.h b/generic/tclDate.h new file mode 100644 index 000000000000..a814751ef6e6 --- /dev/null +++ b/generic/tclDate.h @@ -0,0 +1,519 @@ +/* + * tclDate.h -- + * + * This header file handles common usage of clock primitives + * between tclDate.c (yacc), tclClock.c and tclClockFmt.c. + * + * Copyright (c) 2014 Serg G. Brester (aka sebres) + * + * See the file "license.terms" for information on usage and redistribution + * of this file, and for a DISCLAIMER OF ALL WARRANTIES. + */ + +#ifndef _TCLCLOCK_H +#define _TCLCLOCK_H + +/* + * Constants + */ + +#define JULIAN_DAY_POSIX_EPOCH 2440588 +#define GREGORIAN_CHANGE_DATE 2361222 +#define SECONDS_PER_DAY 86400 +#define JULIAN_SEC_POSIX_EPOCH (((Tcl_WideInt) JULIAN_DAY_POSIX_EPOCH) \ + * SECONDS_PER_DAY) +#define FOUR_CENTURIES 146097 /* days */ +#define JDAY_1_JAN_1_CE_JULIAN 1721424 +#define JDAY_1_JAN_1_CE_GREGORIAN 1721426 +#define ONE_CENTURY_GREGORIAN 36524 /* days */ +#define FOUR_YEARS 1461 /* days */ +#define ONE_YEAR 365 /* days */ + +#define RODDENBERRY 1946 /* Another epoch (Hi, Jeff!) */ + + +#define CLF_OPTIONAL (1 << 0) /* token is non mandatory */ +#define CLF_POSIXSEC (1 << 1) +#define CLF_LOCALSEC (1 << 2) +#define CLF_JULIANDAY (1 << 3) +#define CLF_TIME (1 << 4) +#define CLF_CENTURY (1 << 6) +#define CLF_DAYOFMONTH (1 << 7) +#define CLF_DAYOFYEAR (1 << 8) +#define CLF_MONTH (1 << 9) +#define CLF_YEAR (1 << 10) +#define CLF_ISO8601YEAR (1 << 12) +#define CLF_ISO8601 (1 << 13) +#define CLF_ISO8601CENTURY (1 << 14) +#define CLF_SIGNED (1 << 15) +/* On demand (lazy) assemble flags */ +#define CLF_ASSEMBLE_DATE (1 << 28) /* assemble year, month, etc. using julianDay */ +#define CLF_ASSEMBLE_JULIANDAY (1 << 29) /* assemble julianDay using year, month, etc. */ +#define CLF_ASSEMBLE_SECONDS (1 << 30) /* assemble localSeconds (and seconds at end) */ + +#define CLF_DATE (CLF_JULIANDAY | CLF_DAYOFMONTH | CLF_DAYOFYEAR | \ + CLF_MONTH | CLF_YEAR | CLF_ISO8601YEAR | CLF_ISO8601) + +/* + * Enumeration of the string literals used in [clock] + */ + +typedef enum ClockLiteral { + LIT__NIL, + LIT__DEFAULT_FORMAT, + LIT_SYSTEM, LIT_CURRENT, LIT_C, + LIT_BCE, LIT_CE, + LIT_DAYOFMONTH, LIT_DAYOFWEEK, LIT_DAYOFYEAR, + LIT_ERA, LIT_GMT, LIT_GREGORIAN, + LIT_INTEGER_VALUE_TOO_LARGE, + LIT_ISO8601WEEK, LIT_ISO8601YEAR, + LIT_JULIANDAY, LIT_LOCALSECONDS, + LIT_MONTH, + LIT_SECONDS, LIT_TZNAME, LIT_TZOFFSET, + LIT_YEAR, + LIT_TZDATA, + LIT_GETSYSTEMTIMEZONE, + LIT_SETUPTIMEZONE, + LIT_MCGET, + LIT_GETSYSTEMLOCALE, LIT_GETCURRENTLOCALE, + LIT_LOCALIZE_FORMAT, + LIT__END +} ClockLiteral; + +#define CLOCK_LITERAL_ARRAY(litarr) static const char *const litarr[] = { \ + "", \ + "%a %b %d %H:%M:%S %Z %Y", \ + "system", "current", "C", \ + "BCE", "CE", \ + "dayOfMonth", "dayOfWeek", "dayOfYear", \ + "era", ":GMT", "gregorian", \ + "integer value too large to represent", \ + "iso8601Week", "iso8601Year", \ + "julianDay", "localSeconds", \ + "month", \ + "seconds", "tzName", "tzOffset", \ + "year", \ + "::tcl::clock::TZData", \ + "::tcl::clock::GetSystemTimeZone", \ + "::tcl::clock::SetupTimeZone", \ + "::tcl::clock::mcget", \ + "::tcl::clock::GetSystemLocale", "::tcl::clock::mclocale", \ + "::tcl::clock::LocalizeFormat" \ +} + +/* + * Enumeration of the msgcat literals used in [clock] + */ + +typedef enum ClockMsgCtLiteral { + MCLIT__NIL, /* placeholder */ + MCLIT_MONTHS_FULL, MCLIT_MONTHS_ABBREV, MCLIT_MONTHS_COMB, + MCLIT_DAYS_OF_WEEK_FULL, MCLIT_DAYS_OF_WEEK_ABBREV, MCLIT_DAYS_OF_WEEK_COMB, + MCLIT_AM, MCLIT_PM, + MCLIT_LOCALE_ERAS, + MCLIT_BCE, MCLIT_CE, + MCLIT_BCE2, MCLIT_CE2, + MCLIT_BCE3, MCLIT_CE3, + MCLIT_LOCALE_NUMERALS, + MCLIT__END +} ClockMsgCtLiteral; + +#define CLOCK_LOCALE_LITERAL_ARRAY(litarr, pref) static const char *const litarr[] = { \ + pref "", \ + pref "MONTHS_FULL", pref "MONTHS_ABBREV", pref "MONTHS_COMB", \ + pref "DAYS_OF_WEEK_FULL", pref "DAYS_OF_WEEK_ABBREV", pref "DAYS_OF_WEEK_COMB", \ + pref "AM", pref "PM", \ + pref "LOCALE_ERAS", \ + pref "BCE", pref "CE", \ + pref "b.c.e.", pref "c.e.", \ + pref "b.c.", pref "a.d.", \ + pref "LOCALE_NUMERALS", \ +} + +/* + * Structure containing the fields used in [clock format] and [clock scan] + */ + +typedef struct TclDateFields { + + /* Cacheable fields: */ + + Tcl_WideInt seconds; /* Time expressed in seconds from the Posix + * epoch */ + Tcl_WideInt localSeconds; /* Local time expressed in nominal seconds + * from the Posix epoch */ + int tzOffset; /* Time zone offset in seconds east of + * Greenwich */ + int julianDay; /* Julian Day Number in local time zone */ + enum {BCE=1, CE=0} era; /* Era */ + int gregorian; /* Flag == 1 if the date is Gregorian */ + int year; /* Year of the era */ + int dayOfYear; /* Day of the year (1 January == 1) */ + int month; /* Month number */ + int dayOfMonth; /* Day of the month */ + int iso8601Year; /* ISO8601 week-based year */ + int iso8601Week; /* ISO8601 week number */ + int dayOfWeek; /* Day of the week */ + int hour; /* Hours of day (in-between time only calculation) */ + int minutes; /* Minutes of day (in-between time only calculation) */ + int secondOfDay; /* Seconds of day (in-between time only calculation) */ + + /* Non cacheable fields: */ + + Tcl_Obj *tzName; /* Name (or corresponding DST-abbreviation) of the + * time zone, if set the refCount is incremented */ +} TclDateFields; + +#define ClockCacheableDateFieldsSize \ + TclOffset(TclDateFields, tzName) + +/* + * Structure contains return parsed fields. + */ + +typedef struct DateInfo { + const char *dateStart; + const char *dateInput; + const char *dateEnd; + + TclDateFields date; + + int flags; + + int dateHaveDate; + + int dateMeridian; + int dateHaveTime; + + int dateTimezone; + int dateDSTmode; + int dateHaveZone; + + int dateRelMonth; + int dateRelDay; + int dateRelSeconds; + int dateHaveRel; + + int dateMonthOrdinalIncr; + int dateMonthOrdinal; + int dateHaveOrdinalMonth; + + int dateDayOrdinal; + int dateDayNumber; + int dateHaveDay; + + int *dateRelPointer; + + int dateSpaceCount; + int dateDigitCount; + + int dateCentury; + + Tcl_Obj* messages; /* Error messages */ + const char* separatrix; /* String separating messages */ +} DateInfo; + +#define yydate (info->date) /* Date fields used for converting */ + +#define yyDay (info->date.dayOfMonth) +#define yyMonth (info->date.month) +#define yyYear (info->date.year) + +#define yyHour (info->date.hour) +#define yyMinutes (info->date.minutes) +#define yySeconds (info->date.secondOfDay) + +#define yyDSTmode (info->dateDSTmode) +#define yyDayOrdinal (info->dateDayOrdinal) +#define yyDayNumber (info->dateDayNumber) +#define yyMonthOrdinalIncr (info->dateMonthOrdinalIncr) +#define yyMonthOrdinal (info->dateMonthOrdinal) +#define yyHaveDate (info->dateHaveDate) +#define yyHaveDay (info->dateHaveDay) +#define yyHaveOrdinalMonth (info->dateHaveOrdinalMonth) +#define yyHaveRel (info->dateHaveRel) +#define yyHaveTime (info->dateHaveTime) +#define yyHaveZone (info->dateHaveZone) +#define yyTimezone (info->dateTimezone) +#define yyMeridian (info->dateMeridian) +#define yyRelMonth (info->dateRelMonth) +#define yyRelDay (info->dateRelDay) +#define yyRelSeconds (info->dateRelSeconds) +#define yyRelPointer (info->dateRelPointer) +#define yyInput (info->dateInput) +#define yyDigitCount (info->dateDigitCount) +#define yySpaceCount (info->dateSpaceCount) + +static inline void +ClockInitDateInfo(DateInfo *info) { + memset(info, 0, sizeof(DateInfo)); +} + +/* + * Structure containing the command arguments supplied to [clock format] and [clock scan] + */ + +#define CLF_EXTENDED (1 << 4) +#define CLF_STRICT (1 << 8) +#define CLF_LOCALE_USED (1 << 15) + +typedef struct ClockFmtScnCmdArgs { + ClientData clientData; /* Opaque pointer to literal pool, etc. */ + Tcl_Interp *interp; /* Tcl interpreter */ + + Tcl_Obj *formatObj; /* Format */ + Tcl_Obj *localeObj; /* Name of the locale where the time will be expressed. */ + Tcl_Obj *timezoneObj; /* Default time zone in which the time will be expressed */ + Tcl_Obj *baseObj; /* Base (scan only) */ + int flags; /* Flags control scanning */ + + Tcl_Obj *mcDictObj; /* Current dictionary of tcl::clock package for given localeObj*/ +} ClockFmtScnCmdArgs; + +/* + * Structure containing the client data for [clock] + */ + +typedef struct ClockClientData { + size_t refCount; /* Number of live references. */ + Tcl_Obj **literals; /* Pool of object literals (common, locale independent). */ + Tcl_Obj **mcLiterals; /* Msgcat object literals with mc-keys for search with locale. */ + Tcl_Obj **mcLitIdxs; /* Msgcat object indices prefixed with _IDX_, + * used for quick dictionary search */ + + /* Cache for current clock parameters, imparted via "configure" */ + unsigned long LastTZEpoch; + int currentYearCentury; + int yearOfCenturySwitch; + Tcl_Obj *SystemTimeZone; + Tcl_Obj *SystemSetupTZData; + Tcl_Obj *GMTSetupTimeZone; + Tcl_Obj *GMTSetupTZData; + Tcl_Obj *AnySetupTimeZone; + Tcl_Obj *AnySetupTZData; + Tcl_Obj *LastUnnormSetupTimeZone; + Tcl_Obj *LastSetupTimeZone; + Tcl_Obj *LastSetupTZData; + + Tcl_Obj *CurrentLocale; + Tcl_Obj *CurrentLocaleDict; + Tcl_Obj *LastUnnormUsedLocale; + Tcl_Obj *LastUsedLocale; + Tcl_Obj *LastUsedLocaleDict; + + /* Cache for last base (last-second fast convert if base/tz not changed) */ + struct { + Tcl_Obj *timezoneObj; + TclDateFields Date; + } lastBase; + /* Las-period cache for fast UTC2Local conversion */ + struct { + /* keys */ + Tcl_Obj *timezoneObj; + int changeover; + Tcl_WideInt seconds; + Tcl_WideInt rangesVal[2]; /* Bounds for cached time zone offset */ + /* values */ + int tzOffset; + Tcl_Obj *tzName; + } UTC2Local; + /* Las-period cache for fast Local2UTC conversion */ + struct { + /* keys */ + Tcl_Obj *timezoneObj; + int changeover; + Tcl_WideInt localSeconds; + Tcl_WideInt rangesVal[2]; /* Bounds for cached time zone offset */ + /* values */ + int tzOffset; + } Local2UTC; +} ClockClientData; + +#define ClockDefaultYearCentury 2000 +#define ClockDefaultCenturySwitch 38 + +/* + * Meridian: am, pm, or 24-hour style. + */ + +typedef enum _MERIDIAN { + MERam, MERpm, MER24 +} MERIDIAN; + +/* + * Clock scan and format facilities. + */ + +#define CLOCK_FMT_SCN_STORAGE_GC_SIZE 32 + +#define CLOCK_MIN_TOK_CHAIN_BLOCK_SIZE 2 + +typedef struct ClockScanToken ClockScanToken; + + +typedef int ClockScanTokenProc( + ClockFmtScnCmdArgs *opts, + DateInfo *info, + ClockScanToken *tok); + + +typedef enum _CLCKTOK_TYPE { + CTOKT_DIGIT = 1, CTOKT_PARSER, CTOKT_SPACE, CTOKT_WORD, CTOKT_CHAR, + CFMTT_INT, CFMTT_WIDE, CFMTT_PROC +} CLCKTOK_TYPE; + +typedef struct ClockScanTokenMap { + unsigned short int type; + unsigned short int flags; + unsigned short int clearFlags; + unsigned short int minSize; + unsigned short int maxSize; + unsigned short int offs; + ClockScanTokenProc *parser; + void *data; +} ClockScanTokenMap; + +typedef struct ClockScanToken { + ClockScanTokenMap *map; + struct { + const char *start; + const char *end; + } tokWord; + unsigned short int endDistance; + unsigned short int lookAhMin; + unsigned short int lookAhMax; + unsigned short int lookAhTok; +} ClockScanToken; + + +#define MIN_FMT_RESULT_BLOCK_ALLOC 200 + +typedef struct DateFormat { + char *resMem; + char *resEnd; + char *output; + + TclDateFields date; + + Tcl_Obj *localeEra; +} DateFormat; + +#define CLFMT_INCR (1 << 3) +#define CLFMT_DECR (1 << 4) +#define CLFMT_CALC (1 << 5) +#define CLFMT_LOCALE_INDX (1 << 8) + +typedef struct ClockFormatToken ClockFormatToken; + +typedef int ClockFormatTokenProc( + ClockFmtScnCmdArgs *opts, + DateFormat *dateFmt, + ClockFormatToken *tok, + int *val); + +typedef struct ClockFormatTokenMap { + unsigned short int type; + const char *tostr; + unsigned short int width; + unsigned short int flags; + unsigned short int divider; + unsigned short int divmod; + unsigned short int offs; + ClockFormatTokenProc *fmtproc; + void *data; +} ClockFormatTokenMap; +typedef struct ClockFormatToken { + ClockFormatTokenMap *map; + struct { + const char *start; + const char *end; + } tokWord; +} ClockFormatToken; + + +typedef struct ClockFmtScnStorage ClockFmtScnStorage; + +typedef struct ClockFmtScnStorage { + int objRefCount; /* Reference count shared across threads */ + ClockScanToken *scnTok; + unsigned int scnTokC; + unsigned int scnSpaceCount; /* Count of mandatory spaces used in format */ + ClockFormatToken *fmtTok; + unsigned int fmtTokC; +#if CLOCK_FMT_SCN_STORAGE_GC_SIZE > 0 + ClockFmtScnStorage *nextPtr; + ClockFmtScnStorage *prevPtr; +#endif +#if 0 + +Tcl_HashEntry hashEntry /* ClockFmtScnStorage is a derivate of Tcl_HashEntry, + * stored by offset +sizeof(self) */ +#endif +} ClockFmtScnStorage; + +/* + * Prototypes of module functions. + */ + +MODULE_SCOPE int ToSeconds(int Hours, int Minutes, + int Seconds, MERIDIAN Meridian); +MODULE_SCOPE int IsGregorianLeapYear(TclDateFields *); +MODULE_SCOPE void + GetJulianDayFromEraYearWeekDay( + TclDateFields *fields, int changeover); +MODULE_SCOPE void + GetJulianDayFromEraYearMonthDay( + TclDateFields *fields, int changeover); +MODULE_SCOPE void + GetJulianDayFromEraYearDay( + TclDateFields *fields, int changeover); +MODULE_SCOPE int ConvertUTCToLocal(ClientData clientData, Tcl_Interp *, + TclDateFields *, Tcl_Obj *timezoneObj, int); +MODULE_SCOPE Tcl_Obj * + LookupLastTransition(Tcl_Interp *, Tcl_WideInt, + int, Tcl_Obj *const *, Tcl_WideInt rangesVal[2]); + +MODULE_SCOPE int TclClockFreeScan(Tcl_Interp *interp, DateInfo *info); + +/* tclClock.c module declarations */ + +MODULE_SCOPE Tcl_Obj * + ClockSetupTimeZone(ClientData clientData, + Tcl_Interp *interp, Tcl_Obj *timezoneObj); + +MODULE_SCOPE Tcl_Obj * + ClockMCDict(ClockFmtScnCmdArgs *opts); +MODULE_SCOPE Tcl_Obj * + ClockMCGet(ClockFmtScnCmdArgs *opts, int mcKey); +MODULE_SCOPE Tcl_Obj * + ClockMCGetIdx(ClockFmtScnCmdArgs *opts, int mcKey); +MODULE_SCOPE int ClockMCSetIdx(ClockFmtScnCmdArgs *opts, int mcKey, + Tcl_Obj *valObj); + +/* tclClockFmt.c module declarations */ + +MODULE_SCOPE Tcl_Obj* + ClockFrmObjGetLocFmtKey(Tcl_Interp *interp, + Tcl_Obj *objPtr); + +MODULE_SCOPE ClockFmtScnStorage * + Tcl_GetClockFrmScnFromObj(Tcl_Interp *interp, + Tcl_Obj *objPtr); +MODULE_SCOPE Tcl_Obj * + ClockLocalizeFormat(ClockFmtScnCmdArgs *opts); + +MODULE_SCOPE int ClockScan(register DateInfo *info, + Tcl_Obj *strObj, ClockFmtScnCmdArgs *opts); + +MODULE_SCOPE int ClockFormat(register DateFormat *dateFmt, + ClockFmtScnCmdArgs *opts); + +MODULE_SCOPE void ClockFrmScnClearCaches(void); + +/* + * Other externals. + */ + +MODULE_SCOPE unsigned long TclEnvEpoch; /* Epoch of the tcl environment + * (if changed with tcl-env). */ + +#endif /* _TCLCLOCK_H */ diff --git a/generic/tclDictObj.c b/generic/tclDictObj.c index 1115999eebbf..caebbf154a1a 100644 --- a/generic/tclDictObj.c +++ b/generic/tclDictObj.c @@ -51,6 +51,8 @@ static int DictSetCmd(ClientData dummy, Tcl_Interp *interp, int objc, Tcl_Obj *const *objv); static int DictSizeCmd(ClientData dummy, Tcl_Interp *interp, int objc, Tcl_Obj *const *objv); +static int DictSmartRefCmd(ClientData dummy, Tcl_Interp *interp, + int objc, Tcl_Obj *const *objv); static int DictUnsetCmd(ClientData dummy, Tcl_Interp *interp, int objc, Tcl_Obj *const *objv); static int DictUpdateCmd(ClientData dummy, Tcl_Interp *interp, @@ -98,6 +100,7 @@ static const EnsembleImplMap implementationMap[] = { {"replace", DictReplaceCmd, NULL, NULL, NULL, 0 }, {"set", DictSetCmd, TclCompileDictSetCmd, NULL, NULL, 0 }, {"size", DictSizeCmd, TclCompileBasic1ArgCmd, NULL, NULL, 0 }, + {"smartref",DictSmartRefCmd,NULL, NULL, NULL, 0 }, {"unset", DictUnsetCmd, TclCompileDictUnsetCmd, NULL, NULL, 0 }, {"update", DictUpdateCmd, TclCompileDictUpdateCmd, NULL, NULL, 0 }, {"values", DictValuesCmd, TclCompileBasic1Or2ArgCmd, NULL, NULL, 0 }, @@ -1955,6 +1958,76 @@ DictSizeCmd( return result; } +/* + *---------------------------------------------------------------------- + */ + +Tcl_Obj * +Tcl_DictObjSmartRef( + Tcl_Interp *interp, + Tcl_Obj *dictPtr) +{ + Tcl_Obj *result; + Dict *dict; + + if (dictPtr->typePtr != &tclDictType + && SetDictFromAny(interp, dictPtr) != TCL_OK) { + return NULL; + } + + dict = DICT(dictPtr); + + result = Tcl_NewObj(); + DICT(result) = dict; + dict->refCount++; + result->internalRep.twoPtrValue.ptr2 = NULL; + result->typePtr = &tclDictType; + + return result; +} + +/* + *---------------------------------------------------------------------- + * + * DictSmartRefCmd -- + * + * This function implements the "dict smartref" Tcl command. See the user + * documentation for details on what it does, and TIP#111 for the formal + * specification. + * + * Results: + * A standard Tcl result. + * + * Side effects: + * See the user documentation. + * + *---------------------------------------------------------------------- + */ + +static int +DictSmartRefCmd( + ClientData dummy, + Tcl_Interp *interp, + int objc, + Tcl_Obj *const *objv) +{ + Tcl_Obj *result; + + if (objc != 2) { + Tcl_WrongNumArgs(interp, 1, objv, "dictionary"); + return TCL_ERROR; + } + + result = Tcl_DictObjSmartRef(interp, objv[1]); + if (result == NULL) { + return TCL_ERROR; + } + + Tcl_SetObjResult(interp, result); + + return TCL_OK; +} + /* *---------------------------------------------------------------------- * diff --git a/generic/tclEnv.c b/generic/tclEnv.c index 66ddb5747b80..0041a40e3779 100644 --- a/generic/tclEnv.c +++ b/generic/tclEnv.c @@ -17,6 +17,11 @@ TCL_DECLARE_MUTEX(envMutex) /* To serialize access to environ. */ + +/* MODULE_SCOPE */ +unsigned long TclEnvEpoch = 0; /* Epoch of the tcl environment + * (if changed with tcl-env). */ + static struct { int cacheSize; /* Number of env strings in cache. */ char **cache; /* Array containing all of the environment @@ -371,6 +376,7 @@ Tcl_PutEnv( value[0] = '\0'; TclSetEnv(name, value+1); } + TclEnvEpoch++; Tcl_DStringFree(&nameString); return 0; @@ -579,6 +585,7 @@ EnvTraceProc( if (flags & TCL_TRACE_ARRAY) { TclSetupEnv(interp); + TclEnvEpoch++; return NULL; } @@ -599,6 +606,7 @@ EnvTraceProc( value = Tcl_GetVar2(interp, "env", name2, TCL_GLOBAL_ONLY); TclSetEnv(name2, value); + TclEnvEpoch++; } /* @@ -622,6 +630,7 @@ EnvTraceProc( if (flags & TCL_TRACE_UNSETS) { TclUnsetEnv(name2); + TclEnvEpoch++; } return NULL; } diff --git a/generic/tclGetDate.y b/generic/tclGetDate.y index da4c3fdac220..6d6a0d062424 100644 --- a/generic/tclGetDate.y +++ b/generic/tclGetDate.y @@ -9,6 +9,7 @@ * * Copyright (c) 1992-1995 Karl Lehenbauer and Mark Diekhans. * Copyright (c) 1995-1997 Sun Microsystems, Inc. + * Copyright (c) 2015 Sergey G. Brester aka sebres. * * See the file "license.terms" for information on usage and redistribution of * this file, and for a DISCLAIMER OF ALL WARRANTIES. @@ -50,73 +51,11 @@ * parsed fields will be returned. */ -typedef struct DateInfo { - - Tcl_Obj* messages; /* Error messages */ - const char* separatrix; /* String separating messages */ - - time_t dateYear; - time_t dateMonth; - time_t dateDay; - int dateHaveDate; - - time_t dateHour; - time_t dateMinutes; - time_t dateSeconds; - int dateMeridian; - int dateHaveTime; - - time_t dateTimezone; - int dateDSTmode; - int dateHaveZone; - - time_t dateRelMonth; - time_t dateRelDay; - time_t dateRelSeconds; - int dateHaveRel; - - time_t dateMonthOrdinal; - int dateHaveOrdinalMonth; - - time_t dateDayOrdinal; - time_t dateDayNumber; - int dateHaveDay; - - const char *dateStart; - const char *dateInput; - time_t *dateRelPointer; - - int dateDigitCount; -} DateInfo; +#include "tclDate.h" #define YYMALLOC ckalloc #define YYFREE(x) (ckfree((void*) (x))) -#define yyDSTmode (info->dateDSTmode) -#define yyDayOrdinal (info->dateDayOrdinal) -#define yyDayNumber (info->dateDayNumber) -#define yyMonthOrdinal (info->dateMonthOrdinal) -#define yyHaveDate (info->dateHaveDate) -#define yyHaveDay (info->dateHaveDay) -#define yyHaveOrdinalMonth (info->dateHaveOrdinalMonth) -#define yyHaveRel (info->dateHaveRel) -#define yyHaveTime (info->dateHaveTime) -#define yyHaveZone (info->dateHaveZone) -#define yyTimezone (info->dateTimezone) -#define yyDay (info->dateDay) -#define yyMonth (info->dateMonth) -#define yyYear (info->dateYear) -#define yyHour (info->dateHour) -#define yyMinutes (info->dateMinutes) -#define yySeconds (info->dateSeconds) -#define yyMeridian (info->dateMeridian) -#define yyRelMonth (info->dateRelMonth) -#define yyRelDay (info->dateRelDay) -#define yyRelSeconds (info->dateRelSeconds) -#define yyRelPointer (info->dateRelPointer) -#define yyInput (info->dateInput) -#define yyDigitCount (info->dateDigitCount) - #define EPOCH 1970 #define START_OF_TIME 1902 #define END_OF_TIME 2037 @@ -150,14 +89,6 @@ typedef enum _DSTMODE { DSTon, DSToff, DSTmaybe } DSTMODE; -/* - * Meridian: am, pm, or 24-hour style. - */ - -typedef enum _MERIDIAN { - MERam, MERpm, MER24 -} MERIDIAN; - %} %union { @@ -176,8 +107,6 @@ static int LookupWord(YYSTYPE* yylvalPtr, char *buff); DateInfo* info, const char *s); static int TclDatelex(YYSTYPE* yylvalPtr, YYLTYPE* location, DateInfo* info); -static time_t ToSeconds(time_t Hours, time_t Minutes, - time_t Seconds, MERIDIAN Meridian); MODULE_SCOPE int yyparse(DateInfo*); %} @@ -377,12 +306,12 @@ date : tUNUMBER '/' tUNUMBER { ; ordMonth: tNEXT tMONTH { - yyMonthOrdinal = 1; - yyMonth = $2; + yyMonthOrdinalIncr = 1; + yyMonthOrdinal = $2; } | tNEXT tUNUMBER tMONTH { - yyMonthOrdinal = $2; - yyMonth = $3; + yyMonthOrdinalIncr = $2; + yyMonthOrdinal = $3; } ; @@ -730,11 +659,11 @@ TclDateerror( infoPtr->separatrix = "\n"; } -static time_t +MODULE_SCOPE int ToSeconds( - time_t Hours, - time_t Minutes, - time_t Seconds, + int Hours, + int Minutes, + int Seconds, MERIDIAN Meridian) { if (Minutes < 0 || Minutes > 59 || Seconds < 0 || Seconds > 59) { @@ -957,65 +886,36 @@ TclDatelex( } while (Count > 0); } } - + int -TclClockOldscanObjCmd( - ClientData clientData, /* Unused */ +TclClockFreeScan( Tcl_Interp *interp, /* Tcl interpreter */ - int objc, /* Count of paraneters */ - Tcl_Obj *const *objv) /* Parameters */ + DateInfo *info) /* Input and result parameters */ { - Tcl_Obj *result, *resultElement; - int yr, mo, da; - DateInfo dateInfo; - DateInfo* info = &dateInfo; int status; - if (objc != 5) { - Tcl_WrongNumArgs(interp, 1, objv, - "stringToParse baseYear baseMonth baseDay" ); - return TCL_ERROR; - } - - yyInput = Tcl_GetString( objv[1] ); - dateInfo.dateStart = yyInput; - - yyHaveDate = 0; - if (Tcl_GetIntFromObj(interp, objv[2], &yr) != TCL_OK - || Tcl_GetIntFromObj(interp, objv[3], &mo) != TCL_OK - || Tcl_GetIntFromObj(interp, objv[4], &da) != TCL_OK) { - return TCL_ERROR; - } - yyYear = yr; yyMonth = mo; yyDay = da; - - yyHaveTime = 0; - yyHour = 0; yyMinutes = 0; yySeconds = 0; yyMeridian = MER24; - - yyHaveZone = 0; - yyTimezone = 0; yyDSTmode = DSTmaybe; - - yyHaveOrdinalMonth = 0; - yyMonthOrdinal = 0; - - yyHaveDay = 0; - yyDayOrdinal = 0; yyDayNumber = 0; + /* + * yyInput = stringToParse; + * + * ClockInitDateInfo(info) should be executed to pre-init info; + */ - yyHaveRel = 0; - yyRelMonth = 0; yyRelDay = 0; yyRelSeconds = 0; yyRelPointer = NULL; + yyDSTmode = DSTmaybe; - dateInfo.messages = Tcl_NewObj(); - dateInfo.separatrix = ""; - Tcl_IncrRefCount(dateInfo.messages); + info->messages = Tcl_NewObj(); + info->separatrix = ""; + Tcl_IncrRefCount(info->messages); - status = yyparse(&dateInfo); + info->dateStart = yyInput; + status = yyparse(info); if (status == 1) { - Tcl_SetObjResult(interp, dateInfo.messages); - Tcl_DecrRefCount(dateInfo.messages); + Tcl_SetObjResult(interp, info->messages); + Tcl_DecrRefCount(info->messages); Tcl_SetErrorCode(interp, "TCL", "VALUE", "DATE", "PARSE", NULL); return TCL_ERROR; } else if (status == 2) { Tcl_SetObjResult(interp, Tcl_NewStringObj("memory exhausted", -1)); - Tcl_DecrRefCount(dateInfo.messages); + Tcl_DecrRefCount(info->messages); Tcl_SetErrorCode(interp, "TCL", "MEMORY", NULL); return TCL_ERROR; } else if (status != 0) { @@ -1023,11 +923,11 @@ TclClockOldscanObjCmd( "from date parser. Please " "report this error as a " "bug in Tcl.", -1)); - Tcl_DecrRefCount(dateInfo.messages); + Tcl_DecrRefCount(info->messages); Tcl_SetErrorCode(interp, "TCL", "BUG", NULL); return TCL_ERROR; } - Tcl_DecrRefCount(dateInfo.messages); + Tcl_DecrRefCount(info->messages); if (yyHaveDate > 1) { Tcl_SetObjResult(interp, @@ -1060,6 +960,40 @@ TclClockOldscanObjCmd( return TCL_ERROR; } + return TCL_OK; +} + +int +TclClockOldscanObjCmd( + ClientData clientData, /* Unused */ + Tcl_Interp *interp, /* Tcl interpreter */ + int objc, /* Count of paraneters */ + Tcl_Obj *const *objv) /* Parameters */ +{ + Tcl_Obj *result, *resultElement; + int yr, mo, da; + DateInfo dateInfo; + DateInfo* info = &dateInfo; + + if (objc != 5) { + Tcl_WrongNumArgs(interp, 1, objv, + "stringToParse baseYear baseMonth baseDay" ); + return TCL_ERROR; + } + + yyInput = Tcl_GetString( objv[1] ); + + if (Tcl_GetIntFromObj(interp, objv[2], &yr) != TCL_OK + || Tcl_GetIntFromObj(interp, objv[3], &mo) != TCL_OK + || Tcl_GetIntFromObj(interp, objv[4], &da) != TCL_OK) { + return TCL_ERROR; + } + yyYear = yr; yyMonth = mo; yyDay = da; + + if (TclClockFreeScan(interp, info) != TCL_OK) { + return TCL_ERROR; + } + result = Tcl_NewObj(); resultElement = Tcl_NewObj(); if (yyHaveDate) { @@ -1111,9 +1045,9 @@ TclClockOldscanObjCmd( resultElement = Tcl_NewObj(); if (yyHaveOrdinalMonth) { Tcl_ListObjAppendElement(interp, resultElement, - Tcl_NewIntObj((int) yyMonthOrdinal)); + Tcl_NewIntObj((int) yyMonthOrdinalIncr)); Tcl_ListObjAppendElement(interp, resultElement, - Tcl_NewIntObj((int) yyMonth)); + Tcl_NewIntObj((int) yyMonthOrdinal)); } Tcl_ListObjAppendElement(interp, result, resultElement); diff --git a/generic/tclInt.h b/generic/tclInt.h index 9a006085ebcd..7b5a0fe4e897 100644 --- a/generic/tclInt.h +++ b/generic/tclInt.h @@ -2905,6 +2905,7 @@ MODULE_SCOPE int TclFindDictElement(Tcl_Interp *interp, const char *dict, int dictLength, const char **elementPtr, const char **nextPtr, int *sizePtr, int *literalPtr); +MODULE_SCOPE Tcl_Obj * Tcl_DictObjSmartRef(Tcl_Interp *interp, Tcl_Obj *); /* TIP #280 - Modified token based evulation, with line information. */ MODULE_SCOPE int TclEvalEx(Tcl_Interp *interp, const char *script, int numBytes, int flags, int line, diff --git a/generic/tclStrIdxTree.c b/generic/tclStrIdxTree.c new file mode 100644 index 000000000000..f850add91a80 --- /dev/null +++ b/generic/tclStrIdxTree.c @@ -0,0 +1,519 @@ +/* + * tclStrIdxTree.c -- + * + * Contains the routines for managing string index tries in Tcl. + * + * This code is back-ported from the tclSE engine, by Serg G. Brester. + * + * Copyright (c) 2016 by Sergey G. Brester aka sebres. All rights reserved. + * + * See the file "license.terms" for information on usage and redistribution of + * this file, and for a DISCLAIMER OF ALL WARRANTIES. + * + * ----------------------------------------------------------------------- + * + * String index tries are prepaired structures used for fast greedy search of the string + * (index) by unique string prefix as key. + * + * Index tree build for two lists together can be explained in the following datagram + * + * Lists: + * + * {Januar Februar Maerz April Mai Juni Juli August September Oktober November Dezember} + * {Jnr Fbr Mrz Apr Mai Jni Jli Agt Spt Okt Nvb Dzb} + * + * Index-Tree: + * + * j -1 * ... + * anuar 0 * + * u -1 * a -1 + * ni 5 * pril 3 + * li 6 * ugust 7 + * n -1 * gt 7 + * r 0 * s 8 + * i 5 * eptember 8 + * li 6 * pt 8 + * f 1 * oktober 9 + * ebruar 1 * n 10 + * br 1 * ovember 10 + * m -1 * vb 10 + * a -1 * d 11 + * erz 2 * ezember 11 + * i 4 * zb 11 + * rz 2 * + * ... + * + * Thereby value -1 shows pure group items (corresponding ambigous matches). + * + * StrIdxTree's are very fast, so: + * build of above-mentioned tree takes about 10 microseconds. + * search of string index in this tree takes fewer as 0.1 microseconds. + * + */ + +#include "tclInt.h" +#include "tclStrIdxTree.h" + + +/* + *---------------------------------------------------------------------- + * + * TclStrIdxTreeSearch -- + * + * Find largest part of string "start" in indexed tree (case sensitive). + * + * Also used for building of string index tree. + * + * Results: + * Return position of UTF character in start after last equal character + * and found item (with parent). + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +MODULE_SCOPE const char* +TclStrIdxTreeSearch( + TclStrIdxTree **foundParent, /* Return value of found sub tree (used for tree build) */ + TclStrIdx **foundItem, /* Return value of found item */ + TclStrIdxTree *tree, /* Index tree will be browsed */ + const char *start, /* UTF string to find in tree */ + const char *end) /* End of string */ +{ + TclStrIdxTree *parent = tree, *prevParent = tree; + TclStrIdx *item = tree->firstPtr, *prevItem = NULL; + const char *s = start, *f, *cin, *cinf, *prevf; + int offs = 0; + + if (item == NULL) { + goto done; + } + + /* search in tree */ + do { + cinf = cin = TclGetString(item->key) + offs; + f = TclUtfFindEqualNCInLwr(s, end, cin, cin + item->length, &cinf); + /* if something was found */ + if (f > s) { + /* if whole string was found */ + if (f >= end) { + start = f; + goto done; + }; + /* set new offset and shift start string */ + offs += cinf - cin; + s = f; + /* if match item, go deeper as long as possible */ + if (offs >= item->length && item->childTree.firstPtr) { + /* save previuosly found item (if not ambigous) for + * possible fallback (few greedy match) */ + if (item->value != -1) { + prevf = f; + prevItem = item; + prevParent = parent; + } + parent = &item->childTree; + item = item->childTree.firstPtr; + continue; + } + /* no children - return this item and current chars found */ + start = f; + goto done; + } + + item = item->nextPtr; + + } while (item != NULL); + + /* fallback (few greedy match) not ambigous (has a value) */ + if (prevItem != NULL) { + item = prevItem; + parent = prevParent; + start = prevf; + } + +done: + + if (foundParent) + *foundParent = parent; + if (foundItem) + *foundItem = item; + return start; +} + +MODULE_SCOPE void +TclStrIdxTreeFree( + TclStrIdx *tree) +{ + while (tree != NULL) { + TclStrIdx *t; + Tcl_DecrRefCount(tree->key); + if (tree->childTree.firstPtr != NULL) { + TclStrIdxTreeFree(tree->childTree.firstPtr); + } + t = tree, tree = tree->nextPtr; + ckfree(t); + } +} + +/* + * Several bidirectional list primitives + */ +inline void +TclStrIdxTreeInsertBranch( + TclStrIdxTree *parent, + register TclStrIdx *item, + register TclStrIdx *child) +{ + if (parent->firstPtr == child) + parent->firstPtr = item; + if (parent->lastPtr == child) + parent->lastPtr = item; + if ( (item->nextPtr = child->nextPtr) ) { + item->nextPtr->prevPtr = item; + child->nextPtr = NULL; + } + if ( (item->prevPtr = child->prevPtr) ) { + item->prevPtr->nextPtr = item; + child->prevPtr = NULL; + } + item->childTree.firstPtr = child; + item->childTree.lastPtr = child; +} + +inline void +TclStrIdxTreeAppend( + register TclStrIdxTree *parent, + register TclStrIdx *item) +{ + if (parent->lastPtr != NULL) { + parent->lastPtr->nextPtr = item; + } + item->prevPtr = parent->lastPtr; + item->nextPtr = NULL; + parent->lastPtr = item; + if (parent->firstPtr == NULL) { + parent->firstPtr = item; + } +} + + +/* + *---------------------------------------------------------------------- + * + * TclStrIdxTreeBuildFromList -- + * + * Build or extend string indexed tree from tcl list. + * + * Important: by multiple lists, optimal tree can be created only if list with + * larger strings used firstly. + * + * Results: + * Returns a standard Tcl result. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +MODULE_SCOPE int +TclStrIdxTreeBuildFromList( + TclStrIdxTree *idxTree, + int lstc, + Tcl_Obj **lstv) +{ + Tcl_Obj **lwrv; + int i, ret = TCL_ERROR; + const char *s, *e, *f; + TclStrIdx *item; + + /* create lowercase reflection of the list keys */ + + lwrv = ckalloc(sizeof(Tcl_Obj*) * lstc); + if (lwrv == NULL) { + return TCL_ERROR; + } + for (i = 0; i < lstc; i++) { + lwrv[i] = Tcl_DuplicateObj(lstv[i]); + if (lwrv[i] == NULL) { + return TCL_ERROR; + } + Tcl_IncrRefCount(lwrv[i]); + lwrv[i]->length = Tcl_UtfToLower(TclGetString(lwrv[i])); + } + + /* build index tree of the list keys */ + for (i = 0; i < lstc; i++) { + TclStrIdxTree *foundParent = idxTree; + e = s = TclGetString(lwrv[i]); + e += lwrv[i]->length; + + /* ignore empty values (impossible to index it) */ + if (lwrv[i]->length == 0) continue; + + item = NULL; + if (idxTree->firstPtr != NULL) { + TclStrIdx *foundItem; + f = TclStrIdxTreeSearch(&foundParent, &foundItem, + idxTree, s, e); + /* if common prefix was found */ + if (f > s) { + /* ignore element if fulfilled or ambigous */ + if (f == e) { + continue; + } + /* if shortest key was found with the same value, + * just replace its current key with longest key */ + if ( foundItem->value == i + && foundItem->length < lwrv[i]->length + && foundItem->childTree.firstPtr == NULL + ) { + Tcl_SetObjRef(foundItem->key, lwrv[i]); + foundItem->length = lwrv[i]->length; + continue; + } + /* split tree (e. g. j->(jan,jun) + jul == j->(jan,ju->(jun,jul)) ) + * but don't split by fulfilled child of found item ( ii->iii->iiii ) */ + if (foundItem->length != (f - s)) { + /* first split found item (insert one between parent and found + new one) */ + item = ckalloc(sizeof(*item)); + if (item == NULL) { + goto done; + } + Tcl_InitObjRef(item->key, foundItem->key); + item->length = f - s; + /* set value or mark as ambigous if not the same value of both */ + item->value = (foundItem->value == i) ? i : -1; + /* insert group item between foundParent and foundItem */ + TclStrIdxTreeInsertBranch(foundParent, item, foundItem); + foundParent = &item->childTree; + } else { + /* the new item should be added as child of found item */ + foundParent = &foundItem->childTree; + } + } + } + /* append item at end of found parent */ + item = ckalloc(sizeof(*item)); + if (item == NULL) { + goto done; + } + item->childTree.lastPtr = item->childTree.firstPtr = NULL; + Tcl_InitObjRef(item->key, lwrv[i]); + item->length = lwrv[i]->length; + item->value = i; + TclStrIdxTreeAppend(foundParent, item); + }; + + ret = TCL_OK; + +done: + + if (lwrv != NULL) { + for (i = 0; i < lstc; i++) { + Tcl_DecrRefCount(lwrv[i]); + } + ckfree(lwrv); + } + + if (ret != TCL_OK) { + if (idxTree->firstPtr != NULL) { + TclStrIdxTreeFree(idxTree->firstPtr); + } + } + + return ret; +} + + +static void +StrIdxTreeObj_DupIntRepProc(Tcl_Obj *srcPtr, Tcl_Obj *copyPtr); +static void +StrIdxTreeObj_FreeIntRepProc(Tcl_Obj *objPtr); +static void +StrIdxTreeObj_UpdateStringProc(Tcl_Obj *objPtr); + +Tcl_ObjType StrIdxTreeObjType = { + "str-idx-tree", /* name */ + StrIdxTreeObj_FreeIntRepProc, /* freeIntRepProc */ + StrIdxTreeObj_DupIntRepProc, /* dupIntRepProc */ + StrIdxTreeObj_UpdateStringProc, /* updateStringProc */ + NULL /* setFromAnyProc */ +}; + +MODULE_SCOPE Tcl_Obj* +TclStrIdxTreeNewObj() +{ + Tcl_Obj *objPtr = Tcl_NewObj(); + objPtr->internalRep.twoPtrValue.ptr1 = NULL; + objPtr->internalRep.twoPtrValue.ptr2 = NULL; + objPtr->typePtr = &StrIdxTreeObjType; + /* return tree root in internal representation */ + return objPtr; +} + +static void +StrIdxTreeObj_DupIntRepProc(Tcl_Obj *srcPtr, Tcl_Obj *copyPtr) +{ + /* follow links (smart pointers) */ + if ( srcPtr->internalRep.twoPtrValue.ptr1 != NULL + && srcPtr->internalRep.twoPtrValue.ptr2 == NULL + ) { + srcPtr = (Tcl_Obj*)srcPtr->internalRep.twoPtrValue.ptr1; + } + /* create smart pointer to it (ptr1 != NULL, ptr2 = NULL) */ + Tcl_InitObjRef(*((Tcl_Obj **)©Ptr->internalRep.twoPtrValue.ptr1), + srcPtr); + copyPtr->internalRep.twoPtrValue.ptr2 = NULL; + copyPtr->typePtr = &StrIdxTreeObjType; +} + +static void +StrIdxTreeObj_FreeIntRepProc(Tcl_Obj *objPtr) +{ + /* follow links (smart pointers) */ + if ( objPtr->internalRep.twoPtrValue.ptr1 != NULL + && objPtr->internalRep.twoPtrValue.ptr2 == NULL + ) { + /* is a link */ + Tcl_UnsetObjRef(*((Tcl_Obj **)&objPtr->internalRep.twoPtrValue.ptr1)); + } else { + /* is a tree */ + TclStrIdxTree *tree = (TclStrIdxTree*)&objPtr->internalRep.twoPtrValue.ptr1; + if (tree->firstPtr != NULL) { + TclStrIdxTreeFree(tree->firstPtr); + } + objPtr->internalRep.twoPtrValue.ptr1 = NULL; + objPtr->internalRep.twoPtrValue.ptr2 = NULL; + } + objPtr->typePtr = NULL; +}; + +static void +StrIdxTreeObj_UpdateStringProc(Tcl_Obj *objPtr) +{ + /* currently only dummy empty string possible */ + objPtr->length = 0; + objPtr->bytes = tclEmptyStringRep; +}; + +MODULE_SCOPE TclStrIdxTree * +TclStrIdxTreeGetFromObj(Tcl_Obj *objPtr) { + /* follow links (smart pointers) */ + if (objPtr->typePtr != &StrIdxTreeObjType) { + return NULL; + } + if ( objPtr->internalRep.twoPtrValue.ptr1 != NULL + && objPtr->internalRep.twoPtrValue.ptr2 == NULL + ) { + objPtr = (Tcl_Obj*)objPtr->internalRep.twoPtrValue.ptr1; + } + /* return tree root in internal representation */ + return (TclStrIdxTree*)&objPtr->internalRep.twoPtrValue.ptr1; +} + +/* + * Several debug primitives + */ +#if 1 + +void +TclStrIdxTreePrint( + Tcl_Interp *interp, + TclStrIdx *tree, + int offs) +{ + Tcl_Obj *obj[2]; + const char *s; + Tcl_InitObjRef(obj[0], Tcl_NewStringObj("::puts", -1)); + while (tree != NULL) { + s = TclGetString(tree->key) + offs; + Tcl_InitObjRef(obj[1], Tcl_ObjPrintf("%*s%.*s\t:%d", + offs, "", tree->length - offs, s, tree->value)); + Tcl_PutsObjCmd(NULL, interp, 2, obj); + Tcl_UnsetObjRef(obj[1]); + if (tree->childTree.firstPtr != NULL) { + TclStrIdxTreePrint(interp, tree->childTree.firstPtr, tree->length); + } + tree = tree->nextPtr; + } + Tcl_UnsetObjRef(obj[0]); +} + + +MODULE_SCOPE int +TclStrIdxTreeTestObjCmd( + ClientData clientData, Tcl_Interp *interp, + int objc, Tcl_Obj *const objv[]) +{ + const char *cs, *cin, *ret; + + static const char *const options[] = { + "index", "puts-index", "findequal", + NULL + }; + enum optionInd { + O_INDEX, O_PUTS_INDEX, O_FINDEQUAL + }; + int optionIndex; + + if (objc < 2) { + Tcl_SetResult(interp, "wrong # args", TCL_STATIC); + return TCL_ERROR; + } + if (Tcl_GetIndexFromObj(interp, objv[1], options, + "option", 0, &optionIndex) != TCL_OK) { + Tcl_SetErrorCode(interp, "CLOCK", "badOption", + Tcl_GetString(objv[1]), NULL); + return TCL_ERROR; + } + switch (optionIndex) { + case O_FINDEQUAL: + if (objc < 4) { + Tcl_SetResult(interp, "wrong # args", TCL_STATIC); + return TCL_ERROR; + } + cs = TclGetString(objv[2]); + cin = TclGetString(objv[3]); + ret = TclUtfFindEqual( + cs, cs + objv[1]->length, cin, cin + objv[2]->length); + Tcl_SetObjResult(interp, Tcl_NewIntObj(ret - cs)); + break; + case O_INDEX: + case O_PUTS_INDEX: + + if (1) { + Tcl_Obj **lstv; + int i, lstc; + TclStrIdxTree idxTree = {NULL, NULL}; + i = 1; + while (++i < objc) { + if (TclListObjGetElements(interp, objv[i], + &lstc, &lstv) != TCL_OK) { + return TCL_ERROR; + }; + TclStrIdxTreeBuildFromList(&idxTree, lstc, lstv); + } + if (optionIndex == O_PUTS_INDEX) { + TclStrIdxTreePrint(interp, idxTree.firstPtr, 0); + } + TclStrIdxTreeFree(idxTree.firstPtr); + } + break; + } + + return TCL_OK; +} + +#endif + +/* + * Local Variables: + * mode: c + * c-basic-offset: 4 + * fill-column: 78 + * End: + */ diff --git a/generic/tclStrIdxTree.h b/generic/tclStrIdxTree.h new file mode 100644 index 000000000000..0f2a3ae78f02 --- /dev/null +++ b/generic/tclStrIdxTree.h @@ -0,0 +1,169 @@ +/* + * tclStrIdxTree.h -- + * + * Declarations of string index tries and other primitives currently + * back-ported from tclSE. + * + * Copyright (c) 2016 Serg G. Brester (aka sebres) + * + * See the file "license.terms" for information on usage and redistribution + * of this file, and for a DISCLAIMER OF ALL WARRANTIES. + */ + +#ifndef _TCLSTRIDXTREE_H +#define _TCLSTRIDXTREE_H + + +/* + * Main structures declarations of index tree and entry + */ + +typedef struct TclStrIdxTree { + struct TclStrIdx *firstPtr; + struct TclStrIdx *lastPtr; +} TclStrIdxTree; + +typedef struct TclStrIdx { + struct TclStrIdxTree childTree; + struct TclStrIdx *nextPtr; + struct TclStrIdx *prevPtr; + Tcl_Obj *key; + int length; + int value; +} TclStrIdx; + + +/* + *---------------------------------------------------------------------- + * + * TclUtfFindEqual, TclUtfFindEqualNC -- + * + * Find largest part of string cs in string cin (case sensitive and not). + * + * Results: + * Return position of UTF character in cs after last equal character. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +static inline const char * +TclUtfFindEqual( + register const char *cs, /* UTF string to find in cin. */ + register const char *cse, /* End of cs */ + register const char *cin, /* UTF string will be browsed. */ + register const char *cine) /* End of cin */ +{ + register const char *ret = cs; + Tcl_UniChar ch1, ch2; + do { + cs += TclUtfToUniChar(cs, &ch1); + cin += TclUtfToUniChar(cin, &ch2); + if (ch1 != ch2) break; + } while ((ret = cs) < cse && cin < cine); + return ret; +} + +static inline const char * +TclUtfFindEqualNC( + register const char *cs, /* UTF string to find in cin. */ + register const char *cse, /* End of cs */ + register const char *cin, /* UTF string will be browsed. */ + register const char *cine, /* End of cin */ + const char **cinfnd) /* Return position in cin */ +{ + register const char *ret = cs; + Tcl_UniChar ch1, ch2; + do { + cs += TclUtfToUniChar(cs, &ch1); + cin += TclUtfToUniChar(cin, &ch2); + if (ch1 != ch2) { + ch1 = Tcl_UniCharToLower(ch1); + ch2 = Tcl_UniCharToLower(ch2); + if (ch1 != ch2) break; + } + *cinfnd = cin; + } while ((ret = cs) < cse && cin < cine); + return ret; +} + +static inline const char * +TclUtfFindEqualNCInLwr( + register const char *cs, /* UTF string (in anycase) to find in cin. */ + register const char *cse, /* End of cs */ + register const char *cin, /* UTF string (in lowercase) will be browsed. */ + register const char *cine, /* End of cin */ + const char **cinfnd) /* Return position in cin */ +{ + register const char *ret = cs; + Tcl_UniChar ch1, ch2; + do { + cs += TclUtfToUniChar(cs, &ch1); + cin += TclUtfToUniChar(cin, &ch2); + if (ch1 != ch2) { + ch1 = Tcl_UniCharToLower(ch1); + if (ch1 != ch2) break; + } + *cinfnd = cin; + } while ((ret = cs) < cse && cin < cine); + return ret; +} + +static inline const char * +TclUtfNext( + register const char *src) /* The current location in the string. */ +{ + if (((unsigned char) *(src)) < 0xC0) { + return ++src; + } else { + Tcl_UniChar ch; + return src + TclUtfToUniChar(src, &ch); + } +} + + +/* + * Primitives to safe set, reset and free references. + */ + +#define Tcl_UnsetObjRef(obj) \ + if (obj != NULL) { Tcl_DecrRefCount(obj); obj = NULL; } +#define Tcl_InitObjRef(obj, val) \ + obj = val; if (obj) { Tcl_IncrRefCount(obj); } +#define Tcl_SetObjRef(obj, val) \ +if (1) { \ + Tcl_Obj *nval = val; \ + if (obj != nval) { \ + Tcl_Obj *prev = obj; \ + Tcl_InitObjRef(obj, nval); \ + if (prev != NULL) { Tcl_DecrRefCount(prev); }; \ + } \ +} + +/* + * Prototypes of module functions. + */ + +MODULE_SCOPE const char* + TclStrIdxTreeSearch(TclStrIdxTree **foundParent, + TclStrIdx **foundItem, TclStrIdxTree *tree, + const char *start, const char *end); + +MODULE_SCOPE int TclStrIdxTreeBuildFromList(TclStrIdxTree *idxTree, + int lstc, Tcl_Obj **lstv); + +MODULE_SCOPE Tcl_Obj* + TclStrIdxTreeNewObj(); + +MODULE_SCOPE TclStrIdxTree* + TclStrIdxTreeGetFromObj(Tcl_Obj *objPtr); + +#if 1 + +MODULE_SCOPE int TclStrIdxTreeTestObjCmd(ClientData, Tcl_Interp *, + int, Tcl_Obj *const objv[]); +#endif + +#endif /* _TCLSTRIDXTREE_H */ diff --git a/library/clock.tcl b/library/clock.tcl index 535a67d00f8a..3caa2707c69e 100755 --- a/library/clock.tcl +++ b/library/clock.tcl @@ -287,6 +287,12 @@ proc ::tcl::clock::Initialize {} { variable FEB_28 58 + # Default configuration + + configure -default-locale [mclocale] + #configure -year-century 2000 \ + # -century-switch 38 + # Translation table to map Windows TZI onto cities, so that the Olson # rules can apply. In some cases the mapping is ambiguous, so it's wise # to specify $::env(TCL_TZ) rather than simply depending on the system @@ -383,152 +389,6 @@ proc ::tcl::clock::Initialize {} { {46800 0 3600 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0} :Pacific/Tongatapu }] - # Groups of fields that specify the date, priorities, and code bursts that - # determine Julian Day Number given those groups. The code in [clock - # scan] will choose the highest priority (lowest numbered) set of fields - # that determines the date. - - variable DateParseActions { - - { seconds } 0 {} - - { julianDay } 1 {} - - { era century yearOfCentury month dayOfMonth } 2 { - dict set date year [expr { 100 * [dict get $date century] - + [dict get $date yearOfCentury] }] - set date [GetJulianDayFromEraYearMonthDay $date[set date {}] \ - $changeover] - } - { era century yearOfCentury dayOfYear } 2 { - dict set date year [expr { 100 * [dict get $date century] - + [dict get $date yearOfCentury] }] - set date [GetJulianDayFromEraYearDay $date[set date {}] \ - $changeover] - } - - { century yearOfCentury month dayOfMonth } 3 { - dict set date era CE - dict set date year [expr { 100 * [dict get $date century] - + [dict get $date yearOfCentury] }] - set date [GetJulianDayFromEraYearMonthDay $date[set date {}] \ - $changeover] - } - { century yearOfCentury dayOfYear } 3 { - dict set date era CE - dict set date year [expr { 100 * [dict get $date century] - + [dict get $date yearOfCentury] }] - set date [GetJulianDayFromEraYearDay $date[set date {}] \ - $changeover] - } - { iso8601Century iso8601YearOfCentury iso8601Week dayOfWeek } 3 { - dict set date era CE - dict set date iso8601Year \ - [expr { 100 * [dict get $date iso8601Century] - + [dict get $date iso8601YearOfCentury] }] - set date [GetJulianDayFromEraYearWeekDay $date[set date {}] \ - $changeover] - } - - { yearOfCentury month dayOfMonth } 4 { - set date [InterpretTwoDigitYear $date[set date {}] $baseTime] - dict set date era CE - set date [GetJulianDayFromEraYearMonthDay $date[set date {}] \ - $changeover] - } - { yearOfCentury dayOfYear } 4 { - set date [InterpretTwoDigitYear $date[set date {}] $baseTime] - dict set date era CE - set date [GetJulianDayFromEraYearDay $date[set date {}] \ - $changeover] - } - { iso8601YearOfCentury iso8601Week dayOfWeek } 4 { - set date [InterpretTwoDigitYear \ - $date[set date {}] $baseTime \ - iso8601YearOfCentury iso8601Year] - dict set date era CE - set date [GetJulianDayFromEraYearWeekDay $date[set date {}] \ - $changeover] - } - - { month dayOfMonth } 5 { - set date [AssignBaseYear $date[set date {}] \ - $baseTime $timeZone $changeover] - set date [GetJulianDayFromEraYearMonthDay $date[set date {}] \ - $changeover] - } - { dayOfYear } 5 { - set date [AssignBaseYear $date[set date {}] \ - $baseTime $timeZone $changeover] - set date [GetJulianDayFromEraYearDay $date[set date {}] \ - $changeover] - } - { iso8601Week dayOfWeek } 5 { - set date [AssignBaseIso8601Year $date[set date {}] \ - $baseTime $timeZone $changeover] - set date [GetJulianDayFromEraYearWeekDay $date[set date {}] \ - $changeover] - } - - { dayOfMonth } 6 { - set date [AssignBaseMonth $date[set date {}] \ - $baseTime $timeZone $changeover] - set date [GetJulianDayFromEraYearMonthDay $date[set date {}] \ - $changeover] - } - - { dayOfWeek } 7 { - set date [AssignBaseWeek $date[set date {}] \ - $baseTime $timeZone $changeover] - set date [GetJulianDayFromEraYearWeekDay $date[set date {}] \ - $changeover] - } - - {} 8 { - set date [AssignBaseJulianDay $date[set date {}] \ - $baseTime $timeZone $changeover] - } - } - - # Groups of fields that specify time of day, priorities, and code that - # processes them - - variable TimeParseActions { - - seconds 1 {} - - { hourAMPM minute second amPmIndicator } 2 { - dict set date secondOfDay [InterpretHMSP $date] - } - { hour minute second } 2 { - dict set date secondOfDay [InterpretHMS $date] - } - - { hourAMPM minute amPmIndicator } 3 { - dict set date second 0 - dict set date secondOfDay [InterpretHMSP $date] - } - { hour minute } 3 { - dict set date second 0 - dict set date secondOfDay [InterpretHMS $date] - } - - { hourAMPM amPmIndicator } 4 { - dict set date minute 0 - dict set date second 0 - dict set date secondOfDay [InterpretHMSP $date] - } - { hour } 4 { - dict set date minute 0 - dict set date second 0 - dict set date secondOfDay [InterpretHMS $date] - } - - { } 5 { - dict set date secondOfDay 0 - } - } - # Legacy time zones, used primarily for parsing RFC822 dates. variable LegacyTimeZone [dict create \ @@ -623,17 +483,17 @@ proc ::tcl::clock::Initialize {} { # Caches - variable LocaleNumeralCache {}; # Dictionary whose keys are locale + variable LocaleFormats \ + [dict create]; # Dictionary with localized formats + + variable LocaleNumeralCache \ + [dict create]; # Dictionary whose keys are locale # names and whose values are pairs # comprising regexes matching numerals # in the given locales and dictionaries # mapping the numerals to their numeric # values. - # variable CachedSystemTimeZone; # If 'CachedSystemTimeZone' exists, - # it contains the value of the - # system time zone, as determined from - # the environment. - variable TimeZoneBad {}; # Dictionary whose keys are time zone + variable TimeZoneBad [dict create]; # Dictionary whose keys are time zone # names and whose values are 1 if # the time zone is unknown and 0 # if it is known. @@ -649,2316 +509,293 @@ proc ::tcl::clock::Initialize {} { ::tcl::clock::Initialize #---------------------------------------------------------------------- -# -# clock format -- -# -# Formats a count of seconds since the Posix Epoch as a time of day. -# -# The 'clock format' command formats times of day for output. Refer to the -# user documentation to see what it does. -# -#---------------------------------------------------------------------- - -proc ::tcl::clock::format { args } { - - variable FormatProc - variable TZData - - lassign [ParseFormatArgs {*}$args] format locale timezone - set locale [string tolower $locale] - set clockval [lindex $args 0] - - # Get the data for time changes in the given zone - - if {$timezone eq ""} { - set timezone [GetSystemTimeZone] - } - if {![info exists TZData($timezone)]} { - if {[catch {SetupTimeZone $timezone} retval opts]} { - dict unset opts -errorinfo - return -options $opts $retval - } - } - - # Build a procedure to format the result. Cache the built procedure's name - # in the 'FormatProc' array to avoid losing its internal representation, - # which contains the name resolution. - - set procName formatproc'$format'$locale - set procName [namespace current]::[string map {: {\:} \\ {\\}} $procName] - if {[info exists FormatProc($procName)]} { - set procName $FormatProc($procName) - } else { - set FormatProc($procName) \ - [ParseClockFormatFormat $procName $format $locale] - } - - return [$procName $clockval $timezone] - -} - -#---------------------------------------------------------------------- -# -# ParseClockFormatFormat -- -# -# Builds and caches a procedure that formats a time value. -# -# Parameters: -# format -- Format string to use -# locale -- Locale in which the format string is to be interpreted -# -# Results: -# Returns the name of the newly-built procedure. -# -#---------------------------------------------------------------------- - -proc ::tcl::clock::ParseClockFormatFormat {procName format locale} { - - if {[namespace which $procName] ne {}} { - return $procName - } - - # Map away the locale-dependent composite format groups - - EnterLocale $locale - - # Change locale if a fresh locale has been given on the command line. - - try { - return [ParseClockFormatFormat2 $format $locale $procName] - } trap CLOCK {result opts} { - dict unset opts -errorinfo - return -options $opts $result - } -} - -proc ::tcl::clock::ParseClockFormatFormat2 {format locale procName} { - set didLocaleEra 0 - set didLocaleNumerals 0 - set preFormatCode \ - [string map [list @GREGORIAN_CHANGE_DATE@ \ - [mc GREGORIAN_CHANGE_DATE]] \ - { - variable TZData - set date [GetDateFields $clockval \ - $TZData($timezone) \ - @GREGORIAN_CHANGE_DATE@] - }] - set formatString {} - set substituents {} - set state {} - - set format [LocalizeFormat $locale $format] - - foreach char [split $format {}] { - switch -exact -- $state { - {} { - if { [string equal % $char] } { - set state percent - } else { - append formatString $char - } - } - percent { # Character following a '%' character - set state {} - switch -exact -- $char { - % { # A literal character, '%' - append formatString %% - } - a { # Day of week, abbreviated - append formatString %s - append substituents \ - [string map \ - [list @DAYS_OF_WEEK_ABBREV@ \ - [list [mc DAYS_OF_WEEK_ABBREV]]] \ - { [lindex @DAYS_OF_WEEK_ABBREV@ \ - [expr {[dict get $date dayOfWeek] \ - % 7}]]}] - } - A { # Day of week, spelt out. - append formatString %s - append substituents \ - [string map \ - [list @DAYS_OF_WEEK_FULL@ \ - [list [mc DAYS_OF_WEEK_FULL]]] \ - { [lindex @DAYS_OF_WEEK_FULL@ \ - [expr {[dict get $date dayOfWeek] \ - % 7}]]}] - } - b - h { # Name of month, abbreviated. - append formatString %s - append substituents \ - [string map \ - [list @MONTHS_ABBREV@ \ - [list [mc MONTHS_ABBREV]]] \ - { [lindex @MONTHS_ABBREV@ \ - [expr {[dict get $date month]-1}]]}] - } - B { # Name of month, spelt out - append formatString %s - append substituents \ - [string map \ - [list @MONTHS_FULL@ \ - [list [mc MONTHS_FULL]]] \ - { [lindex @MONTHS_FULL@ \ - [expr {[dict get $date month]-1}]]}] - } - C { # Century number - append formatString %02d - append substituents \ - { [expr {[dict get $date year] / 100}]} - } - d { # Day of month, with leading zero - append formatString %02d - append substituents { [dict get $date dayOfMonth]} - } - e { # Day of month, without leading zero - append formatString %2d - append substituents { [dict get $date dayOfMonth]} - } - E { # Format group in a locale-dependent - # alternative era - set state percentE - if {!$didLocaleEra} { - append preFormatCode \ - [string map \ - [list @LOCALE_ERAS@ \ - [list [mc LOCALE_ERAS]]] \ - { - set date [GetLocaleEra \ - $date[set date {}] \ - @LOCALE_ERAS@]}] \n - set didLocaleEra 1 - } - if {!$didLocaleNumerals} { - append preFormatCode \ - [list set localeNumerals \ - [mc LOCALE_NUMERALS]] \n - set didLocaleNumerals 1 - } - } - g { # Two-digit year relative to ISO8601 - # week number - append formatString %02d - append substituents \ - { [expr { [dict get $date iso8601Year] % 100 }]} - } - G { # Four-digit year relative to ISO8601 - # week number - append formatString %02d - append substituents { [dict get $date iso8601Year]} - } - H { # Hour in the 24-hour day, leading zero - append formatString %02d - append substituents \ - { [expr { [dict get $date localSeconds] \ - / 3600 % 24}]} - } - I { # Hour AM/PM, with leading zero - append formatString %02d - append substituents \ - { [expr { ( ( ( [dict get $date localSeconds] \ - % 86400 ) \ - + 86400 \ - - 3600 ) \ - / 3600 ) \ - % 12 + 1 }] } - } - j { # Day of year (001-366) - append formatString %03d - append substituents { [dict get $date dayOfYear]} - } - J { # Julian Day Number - append formatString %07ld - append substituents { [dict get $date julianDay]} - } - k { # Hour (0-23), no leading zero - append formatString %2d - append substituents \ - { [expr { [dict get $date localSeconds] - / 3600 - % 24 }]} - } - l { # Hour (12-11), no leading zero - append formatString %2d - append substituents \ - { [expr { ( ( ( [dict get $date localSeconds] - % 86400 ) - + 86400 - - 3600 ) - / 3600 ) - % 12 + 1 }]} - } - m { # Month number, leading zero - append formatString %02d - append substituents { [dict get $date month]} - } - M { # Minute of the hour, leading zero - append formatString %02d - append substituents \ - { [expr { [dict get $date localSeconds] - / 60 - % 60 }]} - } - n { # A literal newline - append formatString \n - } - N { # Month number, no leading zero - append formatString %2d - append substituents { [dict get $date month]} - } - O { # A format group in the locale's - # alternative numerals - set state percentO - if {!$didLocaleNumerals} { - append preFormatCode \ - [list set localeNumerals \ - [mc LOCALE_NUMERALS]] \n - set didLocaleNumerals 1 - } - } - p { # Localized 'AM' or 'PM' indicator - # converted to uppercase - append formatString %s - append preFormatCode \ - [list set AM [string toupper [mc AM]]] \n \ - [list set PM [string toupper [mc PM]]] \n - append substituents \ - { [expr {(([dict get $date localSeconds] - % 86400) < 43200) ? - $AM : $PM}]} - } - P { # Localized 'AM' or 'PM' indicator - append formatString %s - append preFormatCode \ - [list set am [mc AM]] \n \ - [list set pm [mc PM]] \n - append substituents \ - { [expr {(([dict get $date localSeconds] - % 86400) < 43200) ? - $am : $pm}]} - - } - Q { # Hi, Jeff! - append formatString %s - append substituents { [FormatStarDate $date]} - } - s { # Seconds from the Posix Epoch - append formatString %s - append substituents { [dict get $date seconds]} - } - S { # Second of the minute, with - # leading zero - append formatString %02d - append substituents \ - { [expr { [dict get $date localSeconds] - % 60 }]} - } - t { # A literal tab character - append formatString \t - } - u { # Day of the week (1-Monday, 7-Sunday) - append formatString %1d - append substituents { [dict get $date dayOfWeek]} - } - U { # Week of the year (00-53). The - # first Sunday of the year is the - # first day of week 01 - append formatString %02d - append preFormatCode { - set dow [dict get $date dayOfWeek] - if { $dow == 7 } { - set dow 0 - } - incr dow - set UweekNumber \ - [expr { ( [dict get $date dayOfYear] - - $dow + 7 ) - / 7 }] - } - append substituents { $UweekNumber} - } - V { # The ISO8601 week number - append formatString %02d - append substituents { [dict get $date iso8601Week]} - } - w { # Day of the week (0-Sunday, - # 6-Saturday) - append formatString %1d - append substituents \ - { [expr { [dict get $date dayOfWeek] % 7 }]} - } - W { # Week of the year (00-53). The first - # Monday of the year is the first day - # of week 01. - append preFormatCode { - set WweekNumber \ - [expr { ( [dict get $date dayOfYear] - - [dict get $date dayOfWeek] - + 7 ) - / 7 }] - } - append formatString %02d - append substituents { $WweekNumber} - } - y { # The two-digit year of the century - append formatString %02d - append substituents \ - { [expr { [dict get $date year] % 100 }]} - } - Y { # The four-digit year - append formatString %04d - append substituents { [dict get $date year]} - } - z { # The time zone as hours and minutes - # east (+) or west (-) of Greenwich - append formatString %s - append substituents { [FormatNumericTimeZone \ - [dict get $date tzOffset]]} - } - Z { # The name of the time zone - append formatString %s - append substituents { [dict get $date tzName]} - } - % { # A literal percent character - append formatString %% - } - default { # An unknown escape sequence - append formatString %% $char - } - } - } - percentE { # Character following %E - set state {} - switch -exact -- $char { - E { - append formatString %s - append substituents { } \ - [string map \ - [list @BCE@ [list [mc BCE]] \ - @CE@ [list [mc CE]]] \ - {[dict get {BCE @BCE@ CE @CE@} \ - [dict get $date era]]}] - } - C { # Locale-dependent era - append formatString %s - append substituents { [dict get $date localeEra]} - } - y { # Locale-dependent year of the era - append preFormatCode { - set y [dict get $date localeYear] - if { $y >= 0 && $y < 100 } { - set Eyear [lindex $localeNumerals $y] - } else { - set Eyear $y - } - } - append formatString %s - append substituents { $Eyear} - } - default { # Unknown %E format group - append formatString %%E $char - } - } - } - percentO { # Character following %O - set state {} - switch -exact -- $char { - d - e { # Day of the month in alternative - # numerals - append formatString %s - append substituents \ - { [lindex $localeNumerals \ - [dict get $date dayOfMonth]]} - } - H - k { # Hour of the day in alternative - # numerals - append formatString %s - append substituents \ - { [lindex $localeNumerals \ - [expr { [dict get $date localSeconds] - / 3600 - % 24 }]]} - } - I - l { # Hour (12-11) AM/PM in alternative - # numerals - append formatString %s - append substituents \ - { [lindex $localeNumerals \ - [expr { ( ( ( [dict get $date localSeconds] - % 86400 ) - + 86400 - - 3600 ) - / 3600 ) - % 12 + 1 }]]} - } - m { # Month number in alternative numerals - append formatString %s - append substituents \ - { [lindex $localeNumerals [dict get $date month]]} - } - M { # Minute of the hour in alternative - # numerals - append formatString %s - append substituents \ - { [lindex $localeNumerals \ - [expr { [dict get $date localSeconds] - / 60 - % 60 }]]} - } - S { # Second of the minute in alternative - # numerals - append formatString %s - append substituents \ - { [lindex $localeNumerals \ - [expr { [dict get $date localSeconds] - % 60 }]]} - } - u { # Day of the week (Monday=1,Sunday=7) - # in alternative numerals - append formatString %s - append substituents \ - { [lindex $localeNumerals \ - [dict get $date dayOfWeek]]} - } - w { # Day of the week (Sunday=0,Saturday=6) - # in alternative numerals - append formatString %s - append substituents \ - { [lindex $localeNumerals \ - [expr { [dict get $date dayOfWeek] % 7 }]]} - } - y { # Year of the century in alternative - # numerals - append formatString %s - append substituents \ - { [lindex $localeNumerals \ - [expr { [dict get $date year] % 100 }]]} - } - default { # Unknown format group - append formatString %%O $char - } - } - } - } - } - - # Clean up any improperly terminated groups - - switch -exact -- $state { - percent { - append formatString %% - } - percentE { - append retval %%E - } - percentO { - append retval %%O - } - } - - proc $procName {clockval timezone} " - $preFormatCode - return \[::format [list $formatString] $substituents\] - " - - # puts [list $procName [info args $procName] [info body $procName]] - - return $procName -} - -#---------------------------------------------------------------------- -# -# clock scan -- -# -# Inputs a count of seconds since the Posix Epoch as a time of day. -# -# The 'clock format' command scans times of day on input. Refer to the user -# documentation to see what it does. -# -#---------------------------------------------------------------------- - -proc ::tcl::clock::scan { args } { - - set format {} - - # Check the count of args - - if { [llength $args] < 1 || [llength $args] % 2 != 1 } { - set cmdName "clock scan" - return -code error \ - -errorcode [list CLOCK wrongNumArgs] \ - "wrong \# args: should be\ - \"$cmdName string\ - ?-base seconds?\ - ?-format string? ?-gmt boolean?\ - ?-locale LOCALE? ?-timezone ZONE?\"" - } - - # Set defaults - - set base [clock seconds] - set string [lindex $args 0] - set format {} - set gmt 0 - set locale c - set timezone [GetSystemTimeZone] - - # Pick up command line options. - - foreach { flag value } [lreplace $args 0 0] { - set saw($flag) {} - switch -exact -- $flag { - -b - -ba - -bas - -base { - set base $value - } - -f - -fo - -for - -form - -forma - -format { - set format $value - } - -g - -gm - -gmt { - set gmt $value - } - -l - -lo - -loc - -loca - -local - -locale { - set locale [string tolower $value] - } - -t - -ti - -tim - -time - -timez - -timezo - -timezon - -timezone { - set timezone $value - } - default { - return -code error \ - -errorcode [list CLOCK badOption $flag] \ - "bad option \"$flag\",\ - must be -base, -format, -gmt, -locale or -timezone" - } - } - } - - # Check options for validity - - if { [info exists saw(-gmt)] && [info exists saw(-timezone)] } { - return -code error \ - -errorcode [list CLOCK gmtWithTimezone] \ - "cannot use -gmt and -timezone in same call" - } - if { [catch { expr { wide($base) } } result] } { - return -code error "expected integer but got \"$base\"" - } - if { ![string is boolean -strict $gmt] } { - return -code error "expected boolean value but got \"$gmt\"" - } elseif { $gmt } { - set timezone :GMT - } - - if { ![info exists saw(-format)] } { - # Perhaps someday we'll localize the legacy code. Right now, it's not - # localized. - if { [info exists saw(-locale)] } { - return -code error \ - -errorcode [list CLOCK flagWithLegacyFormat] \ - "legacy \[clock scan\] does not support -locale" - - } - return [FreeScan $string $base $timezone $locale] - } - - # Change locale if a fresh locale has been given on the command line. - - EnterLocale $locale - - try { - # Map away the locale-dependent composite format groups - - set scanner [ParseClockScanFormat $format $locale] - return [$scanner $string $base $timezone] - } trap CLOCK {result opts} { - # Conceal location of generation of expected errors - dict unset opts -errorinfo - return -options $opts $result - } -} - -#---------------------------------------------------------------------- -# -# FreeScan -- -# -# Scans a time in free format -# -# Parameters: -# string - String containing the time to scan -# base - Base time, expressed in seconds from the Epoch -# timezone - Default time zone in which the time will be expressed -# locale - (Unused) Name of the locale where the time will be scanned. -# -# Results: -# Returns the date and time extracted from the string in seconds from -# the epoch -# -#---------------------------------------------------------------------- - -proc ::tcl::clock::FreeScan { string base timezone locale } { - - variable TZData - - # Get the data for time changes in the given zone - - try { - SetupTimeZone $timezone - } on error {retval opts} { - dict unset opts -errorinfo - return -options $opts $retval - } - - # Extract year, month and day from the base time for the parser to use as - # defaults - - set date [GetDateFields $base $TZData($timezone) 2361222] - dict set date secondOfDay [expr { - [dict get $date localSeconds] % 86400 - }] - - # Parse the date. The parser will return a list comprising date, time, - # time zone, relative month/day/seconds, relative weekday, ordinal month. - - try { - set scanned [Oldscan $string \ - [dict get $date year] \ - [dict get $date month] \ - [dict get $date dayOfMonth]] - lassign $scanned \ - parseDate parseTime parseZone parseRel \ - parseWeekday parseOrdinalMonth - } on error message { - return -code error \ - "unable to convert date-time string \"$string\": $message" - } - - # If the caller supplied a date in the string, update the 'date' dict with - # the value. If the caller didn't specify a time with the date, default to - # midnight. - - if { [llength $parseDate] > 0 } { - lassign $parseDate y m d - if { $y < 100 } { - if { $y >= 39 } { - incr y 1900 - } else { - incr y 2000 - } - } - dict set date era CE - dict set date year $y - dict set date month $m - dict set date dayOfMonth $d - if { $parseTime eq {} } { - set parseTime 0 - } - } - - # If the caller supplied a time zone in the string, it comes back as a - # two-element list; the first element is the number of minutes east of - # Greenwich, and the second is a Daylight Saving Time indicator (1 == yes, - # 0 == no, -1 == unknown). We make it into a time zone indicator of - # +-hhmm. - - if { [llength $parseZone] > 0 } { - lassign $parseZone minEast dstFlag - set timezone [FormatNumericTimeZone \ - [expr { 60 * $minEast + 3600 * $dstFlag }]] - SetupTimeZone $timezone - } - dict set date tzName $timezone - - # Assemble date, time, zone into seconds-from-epoch - - set date [GetJulianDayFromEraYearMonthDay $date[set date {}] 2361222] - if { $parseTime ne {} } { - dict set date secondOfDay $parseTime - } elseif { [llength $parseWeekday] != 0 - || [llength $parseOrdinalMonth] != 0 - || ( [llength $parseRel] != 0 - && ( [lindex $parseRel 0] != 0 - || [lindex $parseRel 1] != 0 ) ) } { - dict set date secondOfDay 0 - } - - dict set date localSeconds [expr { - -210866803200 - + ( 86400 * wide([dict get $date julianDay]) ) - + [dict get $date secondOfDay] - }] - dict set date tzName $timezone - set date [ConvertLocalToUTC $date[set date {}] $TZData($timezone) 2361222] - set seconds [dict get $date seconds] - - # Do relative times - - if { [llength $parseRel] > 0 } { - lassign $parseRel relMonth relDay relSecond - set seconds [add $seconds \ - $relMonth months $relDay days $relSecond seconds \ - -timezone $timezone -locale $locale] - } - - # Do relative weekday - - if { [llength $parseWeekday] > 0 } { - lassign $parseWeekday dayOrdinal dayOfWeek - set date2 [GetDateFields $seconds $TZData($timezone) 2361222] - dict set date2 era CE - set jdwkday [WeekdayOnOrBefore $dayOfWeek [expr { - [dict get $date2 julianDay] + 6 - }]] - incr jdwkday [expr { 7 * $dayOrdinal }] - if { $dayOrdinal > 0 } { - incr jdwkday -7 - } - dict set date2 secondOfDay \ - [expr { [dict get $date2 localSeconds] % 86400 }] - dict set date2 julianDay $jdwkday - dict set date2 localSeconds [expr { - -210866803200 - + ( 86400 * wide([dict get $date2 julianDay]) ) - + [dict get $date secondOfDay] - }] - dict set date2 tzName $timezone - set date2 [ConvertLocalToUTC $date2[set date2 {}] $TZData($timezone) \ - 2361222] - set seconds [dict get $date2 seconds] - - } - - # Do relative month - - if { [llength $parseOrdinalMonth] > 0 } { - lassign $parseOrdinalMonth monthOrdinal monthNumber - if { $monthOrdinal > 0 } { - set monthDiff [expr { $monthNumber - [dict get $date month] }] - if { $monthDiff <= 0 } { - incr monthDiff 12 - } - incr monthOrdinal -1 - } else { - set monthDiff [expr { [dict get $date month] - $monthNumber }] - if { $monthDiff >= 0 } { - incr monthDiff -12 - } - incr monthOrdinal - } - set seconds [add $seconds $monthOrdinal years $monthDiff months \ - -timezone $timezone -locale $locale] - } - - return $seconds -} - - -#---------------------------------------------------------------------- -# -# ParseClockScanFormat -- -# -# Parses a format string given to [clock scan -format] -# -# Parameters: -# formatString - The format being parsed -# locale - The current locale -# -# Results: -# Constructs and returns a procedure that accepts the string being -# scanned, the base time, and the time zone. The procedure will either -# return the scanned time or else throw an error that should be rethrown -# to the caller of [clock scan] -# -# Side effects: -# The given procedure is defined in the ::tcl::clock namespace. Scan -# procedures are not deleted once installed. -# -# Why do we parse dates by defining a procedure to parse them? The reason is -# that by doing so, we have one convenient place to cache all the information: -# the regular expressions that match the patterns (which will be compiled), -# the code that assembles the date information, everything lands in one place. -# In this way, when a given format is reused at run time, all the information -# of how to apply it is available in a single place. -# -#---------------------------------------------------------------------- - -proc ::tcl::clock::ParseClockScanFormat {formatString locale} { - # Check whether the format has been parsed previously, and return the - # existing recognizer if it has. - set procName scanproc'$formatString'$locale - set procName [namespace current]::[string map {: {\:} \\ {\\}} $procName] - if { [namespace which $procName] != {} } { - return $procName +proc mcget {locale args} { + switch -- $locale system { + set locale [GetSystemLocale] + } current { + set locale [mclocale] } - - variable DateParseActions - variable TimeParseActions - - # Localize the %x, %X, etc. groups - - set formatString [LocalizeFormat $locale $formatString] - - # Condense whitespace - - regsub -all {[[:space:]]+} $formatString { } formatString - - # Walk through the groups of the format string. In this loop, we - # accumulate: - # - a regular expression that matches the string, - # - the count of capturing brackets in the regexp - # - a set of code that post-processes the fields captured by the regexp, - # - a dictionary whose keys are the names of fields that are present - # in the format string. - - set re {^[[:space:]]*} - set captureCount 0 - set postcode {} - set fieldSet [dict create] - set fieldCount 0 - set postSep {} - set state {} - - foreach c [split $formatString {}] { - switch -exact -- $state { - {} { - if { $c eq "%" } { - set state % - } elseif { $c eq " " } { - append re {[[:space:]]+} - } else { - if { ! [string is alnum $c] } { - append re "\\" - } - append re $c - } - } - % { - set state {} - switch -exact -- $c { - % { - append re % - } - { } { - append re "\[\[:space:\]\]*" - } - a - A { # Day of week, in words - set l {} - foreach \ - i {7 1 2 3 4 5 6} \ - abr [mc DAYS_OF_WEEK_ABBREV] \ - full [mc DAYS_OF_WEEK_FULL] { - dict set l [string tolower $abr] $i - dict set l [string tolower $full] $i - incr i - } - lassign [UniquePrefixRegexp $l] regex lookup - append re ( $regex ) - dict set fieldSet dayOfWeek [incr fieldCount] - append postcode "dict set date dayOfWeek \[" \ - "dict get " [list $lookup] " " \ - \[ {string tolower $field} [incr captureCount] \] \ - "\]\n" - } - b - B - h { # Name of month - set i 0 - set l {} - foreach \ - abr [mc MONTHS_ABBREV] \ - full [mc MONTHS_FULL] { - incr i - dict set l [string tolower $abr] $i - dict set l [string tolower $full] $i - } - lassign [UniquePrefixRegexp $l] regex lookup - append re ( $regex ) - dict set fieldSet month [incr fieldCount] - append postcode "dict set date month \[" \ - "dict get " [list $lookup] \ - " " \[ {string tolower $field} \ - [incr captureCount] \] \ - "\]\n" - } - C { # Gregorian century - append re \\s*(\\d\\d?) - dict set fieldSet century [incr fieldCount] - append postcode "dict set date century \[" \ - "::scan \$field" [incr captureCount] " %d" \ - "\]\n" - } - d - e { # Day of month - append re \\s*(\\d\\d?) - dict set fieldSet dayOfMonth [incr fieldCount] - append postcode "dict set date dayOfMonth \[" \ - "::scan \$field" [incr captureCount] " %d" \ - "\]\n" - } - E { # Prefix for locale-specific codes - set state %E - } - g { # ISO8601 2-digit year - append re \\s*(\\d\\d) - dict set fieldSet iso8601YearOfCentury \ - [incr fieldCount] - append postcode \ - "dict set date iso8601YearOfCentury \[" \ - "::scan \$field" [incr captureCount] " %d" \ - "\]\n" - } - G { # ISO8601 4-digit year - append re \\s*(\\d\\d)(\\d\\d) - dict set fieldSet iso8601Century [incr fieldCount] - dict set fieldSet iso8601YearOfCentury \ - [incr fieldCount] - append postcode \ - "dict set date iso8601Century \[" \ - "::scan \$field" [incr captureCount] " %d" \ - "\]\n" \ - "dict set date iso8601YearOfCentury \[" \ - "::scan \$field" [incr captureCount] " %d" \ - "\]\n" - } - H - k { # Hour of day - append re \\s*(\\d\\d?) - dict set fieldSet hour [incr fieldCount] - append postcode "dict set date hour \[" \ - "::scan \$field" [incr captureCount] " %d" \ - "\]\n" - } - I - l { # Hour, AM/PM - append re \\s*(\\d\\d?) - dict set fieldSet hourAMPM [incr fieldCount] - append postcode "dict set date hourAMPM \[" \ - "::scan \$field" [incr captureCount] " %d" \ - "\]\n" - } - j { # Day of year - append re \\s*(\\d\\d?\\d?) - dict set fieldSet dayOfYear [incr fieldCount] - append postcode "dict set date dayOfYear \[" \ - "::scan \$field" [incr captureCount] " %d" \ - "\]\n" - } - J { # Julian Day Number - append re \\s*(\\d+) - dict set fieldSet julianDay [incr fieldCount] - append postcode "dict set date julianDay \[" \ - "::scan \$field" [incr captureCount] " %ld" \ - "\]\n" - } - m - N { # Month number - append re \\s*(\\d\\d?) - dict set fieldSet month [incr fieldCount] - append postcode "dict set date month \[" \ - "::scan \$field" [incr captureCount] " %d" \ - "\]\n" - } - M { # Minute - append re \\s*(\\d\\d?) - dict set fieldSet minute [incr fieldCount] - append postcode "dict set date minute \[" \ - "::scan \$field" [incr captureCount] " %d" \ - "\]\n" - } - n { # Literal newline - append re \\n - } - O { # Prefix for locale numerics - set state %O - } - p - P { # AM/PM indicator - set l [list [string tolower [mc AM]] 0 \ - [string tolower [mc PM]] 1] - lassign [UniquePrefixRegexp $l] regex lookup - append re ( $regex ) - dict set fieldSet amPmIndicator [incr fieldCount] - append postcode "dict set date amPmIndicator \[" \ - "dict get " [list $lookup] " \[string tolower " \ - "\$field" \ - [incr captureCount] \ - "\]\]\n" - } - Q { # Hi, Jeff! - append re {Stardate\s+([-+]?\d+)(\d\d\d)[.](\d)} - incr captureCount - dict set fieldSet seconds [incr fieldCount] - append postcode {dict set date seconds } \[ \ - {ParseStarDate $field} [incr captureCount] \ - { $field} [incr captureCount] \ - { $field} [incr captureCount] \ - \] \n - } - s { # Seconds from Posix Epoch - # This next case is insanely difficult, because it's - # problematic to determine whether the field is - # actually within the range of a wide integer. - append re {\s*([-+]?\d+)} - dict set fieldSet seconds [incr fieldCount] - append postcode {dict set date seconds } \[ \ - {ScanWide $field} [incr captureCount] \] \n - } - S { # Second - append re \\s*(\\d\\d?) - dict set fieldSet second [incr fieldCount] - append postcode "dict set date second \[" \ - "::scan \$field" [incr captureCount] " %d" \ - "\]\n" - } - t { # Literal tab character - append re \\t - } - u - w { # Day number within week, 0 or 7 == Sun - # 1=Mon, 6=Sat - append re \\s*(\\d) - dict set fieldSet dayOfWeek [incr fieldCount] - append postcode {::scan $field} [incr captureCount] \ - { %d dow} \n \ - { - if { $dow == 0 } { - set dow 7 - } elseif { $dow > 7 } { - return -code error \ - -errorcode [list CLOCK badDayOfWeek] \ - "day of week is greater than 7" - } - dict set date dayOfWeek $dow - } - } - U { # Week of year. The first Sunday of - # the year is the first day of week - # 01. No scan rule uses this group. - append re \\s*\\d\\d? - } - V { # Week of ISO8601 year - - append re \\s*(\\d\\d?) - dict set fieldSet iso8601Week [incr fieldCount] - append postcode "dict set date iso8601Week \[" \ - "::scan \$field" [incr captureCount] " %d" \ - "\]\n" - } - W { # Week of the year (00-53). The first - # Monday of the year is the first day - # of week 01. No scan rule uses this - # group. - append re \\s*\\d\\d? - } - y { # Two-digit Gregorian year - append re \\s*(\\d\\d?) - dict set fieldSet yearOfCentury [incr fieldCount] - append postcode "dict set date yearOfCentury \[" \ - "::scan \$field" [incr captureCount] " %d" \ - "\]\n" - } - Y { # 4-digit Gregorian year - append re \\s*(\\d\\d)(\\d\\d) - dict set fieldSet century [incr fieldCount] - dict set fieldSet yearOfCentury [incr fieldCount] - append postcode \ - "dict set date century \[" \ - "::scan \$field" [incr captureCount] " %d" \ - "\]\n" \ - "dict set date yearOfCentury \[" \ - "::scan \$field" [incr captureCount] " %d" \ - "\]\n" - } - z - Z { # Time zone name - append re {(?:([-+]\d\d(?::?\d\d(?::?\d\d)?)?)|([[:alnum:]]{1,4}))} - dict set fieldSet tzName [incr fieldCount] - append postcode \ - {if } \{ { $field} [incr captureCount] \ - { ne "" } \} { } \{ \n \ - {dict set date tzName $field} \ - $captureCount \n \ - \} { else } \{ \n \ - {dict set date tzName } \[ \ - {ConvertLegacyTimeZone $field} \ - [incr captureCount] \] \n \ - \} \n \ - } - % { # Literal percent character - append re % - } - default { - append re % - if { ! [string is alnum $c] } { - append re \\ - } - append re $c - } - } - } - %E { - switch -exact -- $c { - C { # Locale-dependent era - set d {} - foreach triple [mc LOCALE_ERAS] { - lassign $triple t symbol year - dict set d [string tolower $symbol] $year - } - lassign [UniquePrefixRegexp $d] regex lookup - append re (?: $regex ) - } - E { - set l {} - dict set l [string tolower [mc BCE]] BCE - dict set l [string tolower [mc CE]] CE - dict set l b.c.e. BCE - dict set l c.e. CE - dict set l b.c. BCE - dict set l a.d. CE - lassign [UniquePrefixRegexp $l] regex lookup - append re ( $regex ) - dict set fieldSet era [incr fieldCount] - append postcode "dict set date era \["\ - "dict get " [list $lookup] \ - { } \[ {string tolower $field} \ - [incr captureCount] \] \ - "\]\n" - } - y { # Locale-dependent year of the era - lassign [LocaleNumeralMatcher $locale] regex lookup - append re $regex - incr captureCount - } - default { - append re %E - if { ! [string is alnum $c] } { - append re \\ - } - append re $c - } - } - set state {} - } - %O { - switch -exact -- $c { - d - e { - lassign [LocaleNumeralMatcher $locale] regex lookup - append re $regex - dict set fieldSet dayOfMonth [incr fieldCount] - append postcode "dict set date dayOfMonth \[" \ - "dict get " [list $lookup] " \$field" \ - [incr captureCount] \ - "\]\n" - } - H - k { - lassign [LocaleNumeralMatcher $locale] regex lookup - append re $regex - dict set fieldSet hour [incr fieldCount] - append postcode "dict set date hour \[" \ - "dict get " [list $lookup] " \$field" \ - [incr captureCount] \ - "\]\n" - } - I - l { - lassign [LocaleNumeralMatcher $locale] regex lookup - append re $regex - dict set fieldSet hourAMPM [incr fieldCount] - append postcode "dict set date hourAMPM \[" \ - "dict get " [list $lookup] " \$field" \ - [incr captureCount] \ - "\]\n" - } - m { - lassign [LocaleNumeralMatcher $locale] regex lookup - append re $regex - dict set fieldSet month [incr fieldCount] - append postcode "dict set date month \[" \ - "dict get " [list $lookup] " \$field" \ - [incr captureCount] \ - "\]\n" - } - M { - lassign [LocaleNumeralMatcher $locale] regex lookup - append re $regex - dict set fieldSet minute [incr fieldCount] - append postcode "dict set date minute \[" \ - "dict get " [list $lookup] " \$field" \ - [incr captureCount] \ - "\]\n" - } - S { - lassign [LocaleNumeralMatcher $locale] regex lookup - append re $regex - dict set fieldSet second [incr fieldCount] - append postcode "dict set date second \[" \ - "dict get " [list $lookup] " \$field" \ - [incr captureCount] \ - "\]\n" - } - u - w { - lassign [LocaleNumeralMatcher $locale] regex lookup - append re $regex - dict set fieldSet dayOfWeek [incr fieldCount] - append postcode "set dow \[dict get " [list $lookup] \ - { $field} [incr captureCount] \] \n \ - { - if { $dow == 0 } { - set dow 7 - } elseif { $dow > 7 } { - return -code error \ - -errorcode [list CLOCK badDayOfWeek] \ - "day of week is greater than 7" - } - dict set date dayOfWeek $dow - } - } - y { - lassign [LocaleNumeralMatcher $locale] regex lookup - append re $regex - dict set fieldSet yearOfCentury [incr fieldCount] - append postcode {dict set date yearOfCentury } \[ \ - {dict get } [list $lookup] { $field} \ - [incr captureCount] \] \n - } - default { - append re %O - if { ! [string is alnum $c] } { - append re \\ - } - append re $c - } - } - set state {} - } - } - } - - # Clean up any unfinished format groups - - append re $state \\s*\$ - - # Build the procedure - - set procBody {} - append procBody "variable ::tcl::clock::TZData" \n - append procBody "if \{ !\[ regexp -nocase [list $re] \$string ->" - for { set i 1 } { $i <= $captureCount } { incr i } { - append procBody " " field $i - } - append procBody "\] \} \{" \n - append procBody { - return -code error -errorcode [list CLOCK badInputString] \ - {input string does not match supplied format} - } - append procBody \}\n - append procBody "set date \[dict create\]" \n - append procBody {dict set date tzName $timeZone} \n - append procBody $postcode - append procBody [list set changeover [mc GREGORIAN_CHANGE_DATE]] \n - - # Set up the time zone before doing anything with a default base date - # that might need a timezone to interpret it. - - if { ![dict exists $fieldSet seconds] - && ![dict exists $fieldSet starDate] } { - if { [dict exists $fieldSet tzName] } { - append procBody { - set timeZone [dict get $date tzName] - } - } - append procBody { - ::tcl::clock::SetupTimeZone $timeZone - } - } - - # Add code that gets Julian Day Number from the fields. - - append procBody [MakeParseCodeFromFields $fieldSet $DateParseActions] - - # Get time of day - - append procBody [MakeParseCodeFromFields $fieldSet $TimeParseActions] - - # Assemble seconds from the Julian day and second of the day. - # Convert to local time unless epoch seconds or stardate are - # being processed - they're always absolute - - if { ![dict exists $fieldSet seconds] - && ![dict exists $fieldSet starDate] } { - append procBody { - if { [dict get $date julianDay] > 5373484 } { - return -code error -errorcode [list CLOCK dateTooLarge] \ - "requested date too large to represent" - } - dict set date localSeconds [expr { - -210866803200 - + ( 86400 * wide([dict get $date julianDay]) ) - + [dict get $date secondOfDay] - }] - } - - # Finally, convert the date to local time - - append procBody { - set date [::tcl::clock::ConvertLocalToUTC $date[set date {}] \ - $TZData($timeZone) $changeover] - } - } - - # Return result - - append procBody {return [dict get $date seconds]} \n - - proc $procName { string baseTime timeZone } $procBody - - # puts [list proc $procName [list string baseTime timeZone] $procBody] - - return $procName -} - -#---------------------------------------------------------------------- -# -# LocaleNumeralMatcher -- -# -# Composes a regexp that captures the numerals in the given locale, and -# a dictionary to map them to conventional numerals. -# -# Parameters: -# locale - Name of the current locale -# -# Results: -# Returns a two-element list comprising the regexp and the dictionary. -# -# Side effects: -# Caches the result. -# -#---------------------------------------------------------------------- - -proc ::tcl::clock::LocaleNumeralMatcher {l} { - variable LocaleNumeralCache - - if { ![dict exists $LocaleNumeralCache $l] } { - set d {} - set i 0 - set sep \( - foreach n [mc LOCALE_NUMERALS] { - dict set d $n $i - regsub -all {[^[:alnum:]]} $n \\\\& subex - append re $sep $subex - set sep | - incr i - } - append re \) - dict set LocaleNumeralCache $l [list $re $d] - } - return [dict get $LocaleNumeralCache $l] -} - - - -#---------------------------------------------------------------------- -# -# UniquePrefixRegexp -- -# -# Composes a regexp that performs unique-prefix matching. The RE -# matches one of a supplied set of strings, or any unique prefix -# thereof. -# -# Parameters: -# data - List of alternating match-strings and values. -# Match-strings with distinct values are considered -# distinct. -# -# Results: -# Returns a two-element list. The first is a regexp that matches any -# unique prefix of any of the strings. The second is a dictionary whose -# keys are match values from the regexp and whose values are the -# corresponding values from 'data'. -# -# Side effects: -# None. -# -#---------------------------------------------------------------------- - -proc ::tcl::clock::UniquePrefixRegexp { data } { - # The 'successors' dictionary will contain, for each string that is a - # prefix of any key, all characters that may follow that prefix. The - # 'prefixMapping' dictionary will have keys that are prefixes of keys and - # values that correspond to the keys. - - set prefixMapping [dict create] - set successors [dict create {} {}] - - # Walk the key-value pairs - - foreach { key value } $data { - # Construct all prefixes of the key; - - set prefix {} - foreach char [split $key {}] { - set oldPrefix $prefix - dict set successors $oldPrefix $char {} - append prefix $char - - # Put the prefixes in the 'prefixMapping' and 'successors' - # dictionaries - - dict lappend prefixMapping $prefix $value - if { ![dict exists $successors $prefix] } { - dict set successors $prefix {} - } - } - } - - # Identify those prefixes that designate unique values, and those that are - # the full keys - - set uniquePrefixMapping {} - dict for { key valueList } $prefixMapping { - if { [llength $valueList] == 1 } { - dict set uniquePrefixMapping $key [lindex $valueList 0] - } - } - foreach { key value } $data { - dict set uniquePrefixMapping $key $value - } - - # Construct the re. - - return [list \ - [MakeUniquePrefixRegexp $successors $uniquePrefixMapping {}] \ - $uniquePrefixMapping] -} - -#---------------------------------------------------------------------- -# -# MakeUniquePrefixRegexp -- -# -# Service procedure for 'UniquePrefixRegexp' that constructs a regular -# expresison that matches the unique prefixes. -# -# Parameters: -# successors - Dictionary whose keys are all prefixes -# of keys passed to 'UniquePrefixRegexp' and whose -# values are dictionaries whose keys are the characters -# that may follow those prefixes. -# uniquePrefixMapping - Dictionary whose keys are the unique -# prefixes and whose values are not examined. -# prefixString - Current prefix being processed. -# -# Results: -# Returns a constructed regular expression that matches the set of -# unique prefixes beginning with the 'prefixString'. -# -# Side effects: -# None. -# -#---------------------------------------------------------------------- - -proc ::tcl::clock::MakeUniquePrefixRegexp { successors - uniquePrefixMapping - prefixString } { - - # Get the characters that may follow the current prefix string - - set schars [lsort -ascii [dict keys [dict get $successors $prefixString]]] - if { [llength $schars] == 0 } { - return {} - } - - # If there is more than one successor character, or if the current prefix - # is a unique prefix, surround the generated re with non-capturing - # parentheses. - - set re {} - if { - [dict exists $uniquePrefixMapping $prefixString] - || [llength $schars] > 1 - } then { - append re "(?:" - } - - # Generate a regexp that matches the successors. - - set sep "" - foreach { c } $schars { - set nextPrefix $prefixString$c - regsub -all {[^[:alnum:]]} $c \\\\& rechar - append re $sep $rechar \ - [MakeUniquePrefixRegexp \ - $successors $uniquePrefixMapping $nextPrefix] - set sep | - } - - # If the current prefix is a unique prefix, make all following text - # optional. Otherwise, if there is more than one successor character, - # close the non-capturing parentheses. - - if { [dict exists $uniquePrefixMapping $prefixString] } { - append re ")?" - } elseif { [llength $schars] > 1 } { - append re ")" - } - - return $re -} - -#---------------------------------------------------------------------- -# -# MakeParseCodeFromFields -- -# -# Composes Tcl code to extract the Julian Day Number from a dictionary -# containing date fields. -# -# Parameters: -# dateFields -- Dictionary whose keys are fields of the date, -# and whose values are the rightmost positions -# at which those fields appear. -# parseActions -- List of triples: field set, priority, and -# code to emit. Smaller priorities are better, and -# the list must be in ascending order by priority -# -# Results: -# Returns a burst of code that extracts the day number from the given -# date. -# -# Side effects: -# None. -# -#---------------------------------------------------------------------- - -proc ::tcl::clock::MakeParseCodeFromFields { dateFields parseActions } { - - set currPrio 999 - set currFieldPos [list] - set currCodeBurst { - error "in ::tcl::clock::MakeParseCodeFromFields: can't happen" - } - - foreach { fieldSet prio parseAction } $parseActions { - # If we've found an answer that's better than any that follow, quit - # now. - - if { $prio > $currPrio } { - break - } - - # Accumulate the field positions that are used in the current field - # grouping. - - set fieldPos [list] - set ok true - foreach field $fieldSet { - if { ! [dict exists $dateFields $field] } { - set ok 0 - break - } - lappend fieldPos [dict get $dateFields $field] - } - - # Quit if we don't have a complete set of fields - if { !$ok } { - continue - } - - # Determine whether the current answer is better than the last. - - set fPos [lsort -integer -decreasing $fieldPos] - - if { $prio == $currPrio } { - foreach currPos $currFieldPos newPos $fPos { - if { - ![string is integer $newPos] - || ![string is integer $currPos] - || $newPos > $currPos - } then { - break - } - if { $newPos < $currPos } { - set ok 0 - break - } - } - } - if { !$ok } { - continue - } - - # Remember the best possibility for extracting date information - - set currPrio $prio - set currFieldPos $fPos - set currCodeBurst $parseAction - } - - return $currCodeBurst -} - -#---------------------------------------------------------------------- -# -# EnterLocale -- -# -# Switch [mclocale] to a given locale if necessary -# -# Parameters: -# locale -- Desired locale -# -# Results: -# Returns the locale that was previously current. -# -# Side effects: -# Does [mclocale]. If necessary, loades the designated locale's files. -# -#---------------------------------------------------------------------- - -proc ::tcl::clock::EnterLocale { locale } { - if { $locale eq {system} } { - if { $::tcl_platform(platform) ne {windows} } { - # On a non-windows platform, the 'system' locale is the same as - # the 'current' locale - - set locale current - } else { - # On a windows platform, the 'system' locale is adapted from the - # 'current' locale by applying the date and time formats from the - # Control Panel. First, load the 'current' locale if it's not yet - # loaded - - mcpackagelocale set [mclocale] - - # Make a new locale string for the system locale, and get the - # Control Panel information - - set locale [mclocale]_windows - if { ! [mcpackagelocale present $locale] } { - LoadWindowsDateTimeFormats $locale - } - } - } - if { $locale eq {current}} { - set locale [mclocale] - } - # Eventually load the locale - mcpackagelocale set $locale -} - -#---------------------------------------------------------------------- -# -# LoadWindowsDateTimeFormats -- -# -# Load the date/time formats from the Control Panel in Windows and -# convert them so that they're usable by Tcl. -# -# Parameters: -# locale - Name of the locale in whose message catalog -# the converted formats are to be stored. -# -# Results: -# None. -# -# Side effects: -# Updates the given message catalog with the locale strings. -# -# Presumes that on entry, [mclocale] is set to the current locale, so that -# default strings can be obtained if the Registry query fails. -# -#---------------------------------------------------------------------- - -proc ::tcl::clock::LoadWindowsDateTimeFormats { locale } { - # Bail out if we can't find the Registry - - variable NoRegistry - if { [info exists NoRegistry] } return - - if { ![catch { - registry get "HKEY_CURRENT_USER\\Control Panel\\International" \ - sShortDate - } string] } { - set quote {} - set datefmt {} - foreach { unquoted quoted } [split $string '] { - append datefmt $quote [string map { - dddd %A - ddd %a - dd %d - d %e - MMMM %B - MMM %b - MM %m - M %N - yyyy %Y - yy %y - y %y - gg {} - } $unquoted] - if { $quoted eq {} } { - set quote ' - } else { - set quote $quoted - } - } - ::msgcat::mcset $locale DATE_FORMAT $datefmt - } - - if { ![catch { - registry get "HKEY_CURRENT_USER\\Control Panel\\International" \ - sLongDate - } string] } { - set quote {} - set ldatefmt {} - foreach { unquoted quoted } [split $string '] { - append ldatefmt $quote [string map { - dddd %A - ddd %a - dd %d - d %e - MMMM %B - MMM %b - MM %m - M %N - yyyy %Y - yy %y - y %y - gg {} - } $unquoted] - if { $quoted eq {} } { - set quote ' - } else { - set quote $quoted - } - } - ::msgcat::mcset $locale LOCALE_DATE_FORMAT $ldatefmt - } - - if { ![catch { - registry get "HKEY_CURRENT_USER\\Control Panel\\International" \ - sTimeFormat - } string] } { - set quote {} - set timefmt {} - foreach { unquoted quoted } [split $string '] { - append timefmt $quote [string map { - HH %H - H %k - hh %I - h %l - mm %M - m %M - ss %S - s %S - tt %p - t %p - } $unquoted] - if { $quoted eq {} } { - set quote ' - } else { - set quote $quoted - } - } - ::msgcat::mcset $locale TIME_FORMAT $timefmt - } - - catch { - ::msgcat::mcset $locale DATE_TIME_FORMAT "$datefmt $timefmt" - } - catch { - ::msgcat::mcset $locale LOCALE_DATE_TIME_FORMAT "$ldatefmt $timefmt" - } - - return - -} - -#---------------------------------------------------------------------- -# -# LocalizeFormat -- -# -# Map away locale-dependent format groups in a clock format. -# -# Parameters: -# locale -- Current [mclocale] locale, supplied to avoid -# an extra call -# format -- Format supplied to [clock scan] or [clock format] -# -# Results: -# Returns the string with locale-dependent composite format groups -# substituted out. -# -# Side effects: -# None. -# -#---------------------------------------------------------------------- - -proc ::tcl::clock::LocalizeFormat { locale format } { - - # message catalog key to cache this format - set key FORMAT_$format - - if { [::msgcat::mcexists -exactlocale -exactnamespace $key] } { - return [mc $key] - } - # Handle locale-dependent format groups by mapping them out of the format - # string. Note that the order of the [string map] operations is - # significant because later formats can refer to later ones; for example - # %c can refer to %X, which in turn can refer to %T. - - set list { - %% %% - %D %m/%d/%Y - %+ {%a %b %e %H:%M:%S %Z %Y} - } - lappend list %EY [string map $list [mc LOCALE_YEAR_FORMAT]] - lappend list %T [string map $list [mc TIME_FORMAT_24_SECS]] - lappend list %R [string map $list [mc TIME_FORMAT_24]] - lappend list %r [string map $list [mc TIME_FORMAT_12]] - lappend list %X [string map $list [mc TIME_FORMAT]] - lappend list %EX [string map $list [mc LOCALE_TIME_FORMAT]] - lappend list %x [string map $list [mc DATE_FORMAT]] - lappend list %Ex [string map $list [mc LOCALE_DATE_FORMAT]] - lappend list %c [string map $list [mc DATE_TIME_FORMAT]] - lappend list %Ec [string map $list [mc LOCALE_DATE_TIME_FORMAT]] - set format [string map $list $format] - - ::msgcat::mcset $locale $key $format - return $format -} - -#---------------------------------------------------------------------- -# -# FormatNumericTimeZone -- -# -# Formats a time zone as +hhmmss -# -# Parameters: -# z - Time zone in seconds east of Greenwich -# -# Results: -# Returns the time zone formatted in a numeric form -# -# Side effects: -# None. -# -#---------------------------------------------------------------------- - -proc ::tcl::clock::FormatNumericTimeZone { z } { - if { $z < 0 } { - set z [expr { - $z }] - set retval - - } else { - set retval + - } - append retval [::format %02d [expr { $z / 3600 }]] - set z [expr { $z % 3600 }] - append retval [::format %02d [expr { $z / 60 }]] - set z [expr { $z % 60 }] - if { $z != 0 } { - append retval [::format %02d $z] - } - return $retval -} - -#---------------------------------------------------------------------- -# -# FormatStarDate -- -# -# Formats a date as a StarDate. -# -# Parameters: -# date - Dictionary containing 'year', 'dayOfYear', and -# 'localSeconds' fields. -# -# Results: -# Returns the given date formatted as a StarDate. -# -# Side effects: -# None. -# -# Jeff Hobbs put this in to support an atrocious pun about Tcl being -# "Enterprise ready." Now we're stuck with it. -# -#---------------------------------------------------------------------- - -proc ::tcl::clock::FormatStarDate { date } { - variable Roddenberry - - # Get day of year, zero based - - set doy [expr { [dict get $date dayOfYear] - 1 }] - - # Determine whether the year is a leap year - - set lp [IsGregorianLeapYear $date] - - # Convert day of year to a fractional year - - if { $lp } { - set fractYear [expr { 1000 * $doy / 366 }] - } else { - set fractYear [expr { 1000 * $doy / 365 }] - } - - # Put together the StarDate - - return [::format "Stardate %02d%03d.%1d" \ - [expr { [dict get $date year] - $Roddenberry }] \ - $fractYear \ - [expr { [dict get $date localSeconds] % 86400 - / ( 86400 / 10 ) }]] -} - -#---------------------------------------------------------------------- -# -# ParseStarDate -- -# -# Parses a StarDate -# -# Parameters: -# year - Year from the Roddenberry epoch -# fractYear - Fraction of a year specifiying the day of year. -# fractDay - Fraction of a day -# -# Results: -# Returns a count of seconds from the Posix epoch. -# -# Side effects: -# None. -# -# Jeff Hobbs put this in to support an atrocious pun about Tcl being -# "Enterprise ready." Now we're stuck with it. -# -#---------------------------------------------------------------------- - -proc ::tcl::clock::ParseStarDate { year fractYear fractDay } { - variable Roddenberry - - # Build a tentative date from year and fraction. - - set date [dict create \ - gregorian 1 \ - era CE \ - year [expr { $year + $Roddenberry }] \ - dayOfYear [expr { $fractYear * 365 / 1000 + 1 }]] - set date [GetJulianDayFromGregorianEraYearDay $date[set date {}]] - - # Determine whether the given year is a leap year - - set lp [IsGregorianLeapYear $date] - - # Reconvert the fractional year according to whether the given year is a - # leap year - - if { $lp } { - dict set date dayOfYear \ - [expr { $fractYear * 366 / 1000 + 1 }] - } else { - dict set date dayOfYear \ - [expr { $fractYear * 365 / 1000 + 1 }] - } - dict unset date julianDay - dict unset date gregorian - set date [GetJulianDayFromGregorianEraYearDay $date[set date {}]] - - return [expr { - 86400 * [dict get $date julianDay] - - 210866803200 - + ( 86400 / 10 ) * $fractDay - }] -} - -#---------------------------------------------------------------------- -# -# ScanWide -- -# -# Scans a wide integer from an input -# -# Parameters: -# str - String containing a decimal wide integer -# -# Results: -# Returns the string as a pure wide integer. Throws an error if the -# string is misformatted or out of range. -# -#---------------------------------------------------------------------- - -proc ::tcl::clock::ScanWide { str } { - set count [::scan $str {%ld %c} result junk] - if { $count != 1 } { - return -code error -errorcode [list CLOCK notAnInteger $str] \ - "\"$str\" is not an integer" - } - if { [incr result 0] != $str } { - return -code error -errorcode [list CLOCK integervalueTooLarge] \ - "integer value too large to represent" - } - return $result -} - -#---------------------------------------------------------------------- -# -# InterpretTwoDigitYear -- -# -# Given a date that contains only the year of the century, determines -# the target value of a two-digit year. -# -# Parameters: -# date - Dictionary containing fields of the date. -# baseTime - Base time relative to which the date is expressed. -# twoDigitField - Name of the field that stores the two-digit year. -# Default is 'yearOfCentury' -# fourDigitField - Name of the field that will receive the four-digit -# year. Default is 'year' -# -# Results: -# Returns the dictionary augmented with the four-digit year, stored in -# the given key. -# -# Side effects: -# None. -# -# The current rule for interpreting a two-digit year is that the year shall be -# between 1937 and 2037, thus staying within the range of a 32-bit signed -# value for time. This rule may change to a sliding window in future -# versions, so the 'baseTime' parameter (which is currently ignored) is -# provided in the procedure signature. -# -#---------------------------------------------------------------------- - -proc ::tcl::clock::InterpretTwoDigitYear { date baseTime - { twoDigitField yearOfCentury } - { fourDigitField year } } { - set yr [dict get $date $twoDigitField] - if { $yr <= 37 } { - dict set date $fourDigitField [expr { $yr + 2000 }] - } else { - dict set date $fourDigitField [expr { $yr + 1900 }] - } - return $date -} - -#---------------------------------------------------------------------- -# -# AssignBaseYear -- -# -# Places the number of the current year into a dictionary. -# -# Parameters: -# date - Dictionary value to update -# baseTime - Base time from which to extract the year, expressed -# in seconds from the Posix epoch -# timezone - the time zone in which the date is being scanned -# changeover - the Julian Day on which the Gregorian calendar -# was adopted in the target locale. -# -# Results: -# Returns the dictionary with the current year assigned. -# -# Side effects: -# None. -# -#---------------------------------------------------------------------- - -proc ::tcl::clock::AssignBaseYear { date baseTime timezone changeover } { - variable TZData - - # Find the Julian Day Number corresponding to the base time, and - # find the Gregorian year corresponding to that Julian Day. - - set date2 [GetDateFields $baseTime $TZData($timezone) $changeover] - - # Store the converted year - - dict set date era [dict get $date2 era] - dict set date year [dict get $date2 year] - - return $date + msgcat::mcget ::tcl::clock $locale {*}$args } #---------------------------------------------------------------------- # -# AssignBaseIso8601Year -- +# GetSystemLocale -- # -# Determines the base year in the ISO8601 fiscal calendar. +# Determines the system locale, which corresponds to "system" +# keyword for locale parameter of 'clock' command. # # Parameters: -# date - Dictionary containing the fields of the date that -# is to be augmented with the base year. -# baseTime - Base time expressed in seconds from the Posix epoch. -# timeZone - Target time zone -# changeover - Julian Day of adoption of the Gregorian calendar in -# the target locale. +# None. # # Results: -# Returns the given date with "iso8601Year" set to the -# base year. +# Returns the system locale. # # Side effects: -# None. +# None # #---------------------------------------------------------------------- -proc ::tcl::clock::AssignBaseIso8601Year {date baseTime timeZone changeover} { - variable TZData +proc ::tcl::clock::GetSystemLocale {} { + if { $::tcl_platform(platform) ne {windows} } { + # On a non-windows platform, the 'system' locale is the same as + # the 'current' locale + + return [mclocale] + } - # Find the Julian Day Number corresponding to the base time + # On a windows platform, the 'system' locale is adapted from the + # 'current' locale by applying the date and time formats from the + # Control Panel. First, load the 'current' locale if it's not yet + # loaded - set date2 [GetDateFields $baseTime $TZData($timeZone) $changeover] + mcpackagelocale set [mclocale] - # Calculate the ISO8601 date and transfer the year + # Make a new locale string for the system locale, and get the + # Control Panel information - dict set date era CE - dict set date iso8601Year [dict get $date2 iso8601Year] - return $date + set locale [mclocale]_windows + if { ! [mcpackagelocale present $locale] } { + LoadWindowsDateTimeFormats $locale + } + + return $locale } #---------------------------------------------------------------------- # -# AssignBaseMonth -- +# EnterLocale -- # -# Places the number of the current year and month into a -# dictionary. +# Switch [mclocale] to a given locale if necessary # # Parameters: -# date - Dictionary value to update -# baseTime - Time from which the year and month are to be -# obtained, expressed in seconds from the Posix epoch. -# timezone - Name of the desired time zone -# changeover - Julian Day on which the Gregorian calendar was adopted. +# locale -- Desired locale # # Results: -# Returns the dictionary with the base year and month assigned. +# Returns the locale that was previously current. # # Side effects: -# None. +# Does [mclocale]. If necessary, loades the designated locale's files. # #---------------------------------------------------------------------- -proc ::tcl::clock::AssignBaseMonth {date baseTime timezone changeover} { - variable TZData - - # Find the year and month corresponding to the base time - - set date2 [GetDateFields $baseTime $TZData($timezone) $changeover] - dict set date era [dict get $date2 era] - dict set date year [dict get $date2 year] - dict set date month [dict get $date2 month] - return $date +proc ::tcl::clock::EnterLocale { locale } { + switch -- $locale system { + set locale [GetSystemLocale] + } current { + set locale [mclocale] + } + # Select the locale, eventually load it + mcpackagelocale set $locale + return $locale } #---------------------------------------------------------------------- # -# AssignBaseWeek -- +# LoadWindowsDateTimeFormats -- # -# Determines the base year and week in the ISO8601 fiscal calendar. +# Load the date/time formats from the Control Panel in Windows and +# convert them so that they're usable by Tcl. # # Parameters: -# date - Dictionary containing the fields of the date that -# is to be augmented with the base year and week. -# baseTime - Base time expressed in seconds from the Posix epoch. -# changeover - Julian Day on which the Gregorian calendar was adopted -# in the target locale. +# locale - Name of the locale in whose message catalog +# the converted formats are to be stored. # # Results: -# Returns the given date with "iso8601Year" set to the -# base year and "iso8601Week" to the week number. +# None. # # Side effects: -# None. +# Updates the given message catalog with the locale strings. +# +# Presumes that on entry, [mclocale] is set to the current locale, so that +# default strings can be obtained if the Registry query fails. # #---------------------------------------------------------------------- -proc ::tcl::clock::AssignBaseWeek {date baseTime timeZone changeover} { - variable TZData +proc ::tcl::clock::LoadWindowsDateTimeFormats { locale } { + # Bail out if we can't find the Registry + + variable NoRegistry + if { [info exists NoRegistry] } return - # Find the Julian Day Number corresponding to the base time + if { ![catch { + registry get "HKEY_CURRENT_USER\\Control Panel\\International" \ + sShortDate + } string] } { + set quote {} + set datefmt {} + foreach { unquoted quoted } [split $string '] { + append datefmt $quote [string map { + dddd %A + ddd %a + dd %d + d %e + MMMM %B + MMM %b + MM %m + M %N + yyyy %Y + yy %y + y %y + gg {} + } $unquoted] + if { $quoted eq {} } { + set quote ' + } else { + set quote $quoted + } + } + ::msgcat::mcset $locale DATE_FORMAT $datefmt + } - set date2 [GetDateFields $baseTime $TZData($timeZone) $changeover] + if { ![catch { + registry get "HKEY_CURRENT_USER\\Control Panel\\International" \ + sLongDate + } string] } { + set quote {} + set ldatefmt {} + foreach { unquoted quoted } [split $string '] { + append ldatefmt $quote [string map { + dddd %A + ddd %a + dd %d + d %e + MMMM %B + MMM %b + MM %m + M %N + yyyy %Y + yy %y + y %y + gg {} + } $unquoted] + if { $quoted eq {} } { + set quote ' + } else { + set quote $quoted + } + } + ::msgcat::mcset $locale LOCALE_DATE_FORMAT $ldatefmt + } - # Calculate the ISO8601 date and transfer the year + if { ![catch { + registry get "HKEY_CURRENT_USER\\Control Panel\\International" \ + sTimeFormat + } string] } { + set quote {} + set timefmt {} + foreach { unquoted quoted } [split $string '] { + append timefmt $quote [string map { + HH %H + H %k + hh %I + h %l + mm %M + m %M + ss %S + s %S + tt %p + t %p + } $unquoted] + if { $quoted eq {} } { + set quote ' + } else { + set quote $quoted + } + } + ::msgcat::mcset $locale TIME_FORMAT $timefmt + } + + catch { + ::msgcat::mcset $locale DATE_TIME_FORMAT "$datefmt $timefmt" + } + catch { + ::msgcat::mcset $locale LOCALE_DATE_TIME_FORMAT "$ldatefmt $timefmt" + } + + return - dict set date era CE - dict set date iso8601Year [dict get $date2 iso8601Year] - dict set date iso8601Week [dict get $date2 iso8601Week] - return $date } #---------------------------------------------------------------------- # -# AssignBaseJulianDay -- +# LocalizeFormat -- # -# Determines the base day for a time-of-day conversion. +# Map away locale-dependent format groups in a clock format. # # Parameters: -# date - Dictionary that is to get the base day -# baseTime - Base time expressed in seconds from the Posix epoch -# changeover - Julian day on which the Gregorian calendar was -# adpoted in the target locale. +# locale -- Current [mclocale] locale, supplied to avoid +# an extra call +# format -- Format supplied to [clock scan] or [clock format] # # Results: -# Returns the given dictionary augmented with a 'julianDay' field -# that contains the base day. +# Returns the string with locale-dependent composite format groups +# substituted out. # # Side effects: # None. # #---------------------------------------------------------------------- -proc ::tcl::clock::AssignBaseJulianDay { date baseTime timeZone changeover } { - variable TZData - - # Find the Julian Day Number corresponding to the base time +proc ::tcl::clock::LocalizeFormat { locale format {fmtkey {}} } { + variable LocaleFormats + + if { $fmtkey eq {} } { set fmtkey FMT_$format } + if { [catch { + set locfmt [dict get $LocaleFormats $locale $fmtkey] + }] } { - set date2 [GetDateFields $baseTime $TZData($timeZone) $changeover] - dict set date julianDay [dict get $date2 julianDay] + # get map list cached or build it: + if { [catch { + set mlst [dict get $LocaleFormats $locale MLST] + }] } { + + # message catalog dictionary: + set mcd [mcget $locale] + + # Handle locale-dependent format groups by mapping them out of the format + # string. Note that the order of the [string map] operations is + # significant because later formats can refer to later ones; for example + # %c can refer to %X, which in turn can refer to %T. + + set mlst { + %% %% + %D %m/%d/%Y + %+ {%a %b %e %H:%M:%S %Z %Y} + } + lappend mlst %EY [string map $mlst [dict get $mcd LOCALE_YEAR_FORMAT]] + lappend mlst %T [string map $mlst [dict get $mcd TIME_FORMAT_24_SECS]] + lappend mlst %R [string map $mlst [dict get $mcd TIME_FORMAT_24]] + lappend mlst %r [string map $mlst [dict get $mcd TIME_FORMAT_12]] + lappend mlst %X [string map $mlst [dict get $mcd TIME_FORMAT]] + lappend mlst %EX [string map $mlst [dict get $mcd LOCALE_TIME_FORMAT]] + lappend mlst %x [string map $mlst [dict get $mcd DATE_FORMAT]] + lappend mlst %Ex [string map $mlst [dict get $mcd LOCALE_DATE_FORMAT]] + lappend mlst %c [string map $mlst [dict get $mcd DATE_TIME_FORMAT]] + lappend mlst %Ec [string map $mlst [dict get $mcd LOCALE_DATE_TIME_FORMAT]] - return $date -} + dict set LocaleFormats $locale MLST $mlst + } -#---------------------------------------------------------------------- -# -# InterpretHMSP -- -# -# Interprets a time in the form "hh:mm:ss am". -# -# Parameters: -# date -- Dictionary containing "hourAMPM", "minute", "second" -# and "amPmIndicator" fields. -# -# Results: -# Returns the number of seconds from local midnight. -# -# Side effects: -# None. -# -#---------------------------------------------------------------------- + # translate copy of format (don't use format object here, because otherwise + # it can lose its internal representation (string map - convert to unicode) + set locfmt [string map $mlst [string range " $format" 1 end]] -proc ::tcl::clock::InterpretHMSP { date } { - set hr [dict get $date hourAMPM] - if { $hr == 12 } { - set hr 0 - } - if { [dict get $date amPmIndicator] } { - incr hr 12 + # cache it: + dict set LocaleFormats $locale $fmtkey $locfmt } - dict set date hour $hr - return [InterpretHMS $date[set date {}]] -} -#---------------------------------------------------------------------- -# -# InterpretHMS -- -# -# Interprets a 24-hour time "hh:mm:ss" -# -# Parameters: -# date -- Dictionary containing the "hour", "minute" and "second" -# fields. -# -# Results: -# Returns the given dictionary augmented with a "secondOfDay" -# field containing the number of seconds from local midnight. -# -# Side effects: -# None. -# -#---------------------------------------------------------------------- + # Save original format as long as possible, because of internal + # representation (performance). + # Note that in this case such format will be never localized (also + # using another locales). To prevent this return a duplicate (but + # it may be slower). + if {$locfmt eq $format} { + set locfmt $format + } -proc ::tcl::clock::InterpretHMS { date } { - return [expr { - ( [dict get $date hour] * 60 - + [dict get $date minute] ) * 60 - + [dict get $date second] - }] + return $locfmt } #---------------------------------------------------------------------- @@ -2975,13 +812,12 @@ proc ::tcl::clock::InterpretHMS { date } { # Returns the system time zone. # # Side effects: -# Stores the sustem time zone in the 'CachedSystemTimeZone' -# variable, since determining it may be an expensive process. +# Stores the sustem time zone in engine configuration, since +# determining it may be an expensive process. # #---------------------------------------------------------------------- proc ::tcl::clock::GetSystemTimeZone {} { - variable CachedSystemTimeZone variable TimeZoneBad if {[set result [getenv TCL_TZ]] ne {}} { @@ -2990,61 +826,33 @@ proc ::tcl::clock::GetSystemTimeZone {} { set timezone $result } if {![info exists timezone]} { - # Cache the time zone only if it was detected by one of the - # expensive methods. - if { [info exists CachedSystemTimeZone] } { - set timezone $CachedSystemTimeZone - } elseif { $::tcl_platform(platform) eq {windows} } { - set timezone [GuessWindowsTimeZone] - } elseif { [file exists /etc/localtime] - && ![catch {ReadZoneinfoFile \ - Tcl/Localtime /etc/localtime}] } { - set timezone :Tcl/Localtime - } else { - set timezone :localtime + # ask engine for the cached timezone: + set timezone [configure -system-tz] + if { $timezone ne "" } { + return $timezone } - set CachedSystemTimeZone $timezone + if { $::tcl_platform(platform) eq {windows} } { + set timezone [GuessWindowsTimeZone] + } elseif { [file exists /etc/localtime] + && ![catch {ReadZoneinfoFile \ + Tcl/Localtime /etc/localtime}] } { + set timezone :Tcl/Localtime + } else { + set timezone :localtime + } } if { ![dict exists $TimeZoneBad $timezone] } { - dict set TimeZoneBad $timezone [catch {SetupTimeZone $timezone}] - } - if { [dict get $TimeZoneBad $timezone] } { - return :localtime - } else { - return $timezone + catch {set timezone [SetupTimeZone $timezone]} } -} - -#---------------------------------------------------------------------- -# -# ConvertLegacyTimeZone -- -# -# Given an alphanumeric time zone identifier and the system time zone, -# convert the alphanumeric identifier to an unambiguous time zone. -# -# Parameters: -# tzname - Name of the time zone to convert -# -# Results: -# Returns a time zone name corresponding to tzname, but in an -# unambiguous form, generally +hhmm. -# -# This procedure is implemented primarily to allow the parsing of RFC822 -# date/time strings. Processing a time zone name on input is not recommended -# practice, because there is considerable room for ambiguity; for instance, is -# BST Brazilian Standard Time, or British Summer Time? -# -#---------------------------------------------------------------------- -proc ::tcl::clock::ConvertLegacyTimeZone { tzname } { - variable LegacyTimeZone - - set tzname [string tolower $tzname] - if { ![dict exists $LegacyTimeZone $tzname] } { - return -code error -errorcode [list CLOCK badTZName $tzname] \ - "time zone \"$tzname\" not found" + if { [dict exists $TimeZoneBad $timezone] } { + set timezone :localtime } - return [dict get $LegacyTimeZone $tzname] + + # tell backend - current system timezone: + configure -system-tz $timezone + + return $timezone } #---------------------------------------------------------------------- @@ -3064,10 +872,17 @@ proc ::tcl::clock::ConvertLegacyTimeZone { tzname } { # #---------------------------------------------------------------------- -proc ::tcl::clock::SetupTimeZone { timezone } { +proc ::tcl::clock::SetupTimeZone { timezone {alias {}} } { variable TZData if {! [info exists TZData($timezone)] } { + + variable TimeZoneBad + if { [dict exists $TimeZoneBad $timezone] } { + return -code error \ + -errorcode [list CLOCK badTimeZone $timezone] \ + "time zone \"$timezone\" not found" + } variable MINWIDE if { $timezone eq {:localtime} } { # Nothing to do, we'll convert using the localtime function @@ -3105,6 +920,7 @@ proc ::tcl::clock::SetupTimeZone { timezone } { LoadZoneinfoFile [string range $timezone 1 end] }] } then { + dict set TimeZoneBad $timezone 1 return -code error \ -errorcode [list CLOCK badTimeZone $timezone] \ "time zone \"$timezone\" not found" @@ -3116,25 +932,43 @@ proc ::tcl::clock::SetupTimeZone { timezone } { if { [lindex [dict get $opts -errorcode] 0] eq {CLOCK} } { dict unset opts -errorinfo } + dict set TimeZoneBad $timezone 1 return -options $opts $data } else { set TZData($timezone) $data } } else { + + variable LegacyTimeZone + # We couldn't parse this as a POSIX time zone. Try again with a # time zone file - this time without a colon if { [catch { LoadTimeZoneFile $timezone }] && [catch { LoadZoneinfoFile $timezone } - opts] } { + + # Check may be a legacy zone: + + if { $alias eq {} && ![catch { + set tzname [dict get $LegacyTimeZone [string tolower $timezone]] + }] } { + set tzname [::tcl::clock::SetupTimeZone $tzname $timezone] + set TZData($timezone) $TZData($tzname) + # tell backend - timezone is initialized and return shared timezone object: + return [configure -setup-tz $timezone] + } + dict unset opts -errorinfo + dict set TimeZoneBad $timezone 1 return -options $opts "time zone $timezone not found" } set TZData($timezone) $TZData(:$timezone) } } - return + # tell backend - timezone is initialized and return shared timezone object: + configure -setup-tz $timezone } #---------------------------------------------------------------------- @@ -3205,12 +1039,12 @@ proc ::tcl::clock::GuessWindowsTimeZone {} { if { [dict exists $WinZoneInfo $data] } { set tzname [dict get $WinZoneInfo $data] if { ! [dict exists $TimeZoneBad $tzname] } { - dict set TimeZoneBad $tzname [catch {SetupTimeZone $tzname}] + catch {set tzname [SetupTimeZone $tzname]} } } else { set tzname {} } - if { $tzname eq {} || [dict get $TimeZoneBad $tzname] } { + if { $tzname eq {} || [dict exists $TimeZoneBad $tzname] } { lassign $data \ bias stdBias dstBias \ stdYear stdMonth stdDayOfWeek stdDayOfMonth \ @@ -3935,43 +1769,6 @@ proc ::tcl::clock::DeterminePosixDSTTime { z bound y } { return [expr { $seconds + $tod }] } -#---------------------------------------------------------------------- -# -# GetLocaleEra -- -# -# Given local time expressed in seconds from the Posix epoch, -# determine localized era and year within the era. -# -# Parameters: -# date - Dictionary that must contain the keys, 'localSeconds', -# whose value is expressed as the appropriate local time; -# and 'year', whose value is the Gregorian year. -# etable - Value of the LOCALE_ERAS key in the message catalogue -# for the target locale. -# -# Results: -# Returns the dictionary, augmented with the keys, 'localeEra' and -# 'localeYear'. -# -#---------------------------------------------------------------------- - -proc ::tcl::clock::GetLocaleEra { date etable } { - set index [BSearch $etable [dict get $date localSeconds]] - if { $index < 0} { - dict set date localeEra \ - [::format %02d [expr { [dict get $date year] / 100 }]] - dict set date localeYear [expr { - [dict get $date year] % 100 - }] - } else { - dict set date localeEra [lindex $etable $index 1] - dict set date localeYear [expr { - [dict get $date year] - [lindex $etable $index 2] - }] - } - return $date -} - #---------------------------------------------------------------------- # # GetJulianDayFromEraYearDay -- @@ -4149,57 +1946,6 @@ proc ::tcl::clock::WeekdayOnOrBefore { weekday j } { return [expr { $j - ( $j - $k ) % 7 }] } -#---------------------------------------------------------------------- -# -# BSearch -- -# -# Service procedure that does binary search in several places inside the -# 'clock' command. -# -# Parameters: -# list - List of lists, sorted in ascending order by the -# first elements -# key - Value to search for -# -# Results: -# Returns the index of the greatest element in $list that is less than -# or equal to $key. -# -# Side effects: -# None. -# -#---------------------------------------------------------------------- - -proc ::tcl::clock::BSearch { list key } { - if {[llength $list] == 0} { - return -1 - } - if { $key < [lindex $list 0 0] } { - return -1 - } - - set l 0 - set u [expr { [llength $list] - 1 }] - - while { $l < $u } { - # At this point, we know that - # $k >= [lindex $list $l 0] - # Either $u == [llength $list] or else $k < [lindex $list $u+1 0] - # We find the midpoint of the interval {l,u} rounded UP, compare - # against it, and set l or u to maintain the invariant. Note that the - # interval shrinks at each step, guaranteeing convergence. - - set m [expr { ( $l + $u + 1 ) / 2 }] - if { $key >= [lindex $list $m 0] } { - set l $m - } else { - set u [expr { $m - 1 }] - } - } - - return $l -} - #---------------------------------------------------------------------- # # clock add -- @@ -4254,7 +2000,9 @@ proc ::tcl::clock::add { clockval args } { set offsets {} set gmt 0 set locale c - set timezone [GetSystemTimeZone] + if {[set timezone [configure -system-tz]] eq ""} { + set timezone [GetSystemTimeZone] + } foreach { a b } $args { if { [string is integer -strict $a] } { @@ -4297,7 +2045,7 @@ proc ::tcl::clock::add { clockval args } { set changeover [mc GREGORIAN_CHANGE_DATE] - if {[catch {SetupTimeZone $timezone} retval opts]} { + if {[catch {set timezone [SetupTimeZone $timezone]} retval opts]} { dict unset opts -errorinfo return -options $opts $retval } @@ -4381,7 +2129,7 @@ proc ::tcl::clock::AddMonths { months clockval timezone changeover } { # Convert the time to year, month, day, and fraction of day. - set date [GetDateFields $clockval $TZData($timezone) $changeover] + set date [GetDateFields $clockval $timezone $changeover] dict set date secondOfDay [expr { [dict get $date localSeconds] % 86400 }] @@ -4418,7 +2166,7 @@ proc ::tcl::clock::AddMonths { months clockval timezone changeover } { + ( 86400 * wide([dict get $date julianDay]) ) + [dict get $date secondOfDay] }] - set date [ConvertLocalToUTC $date[set date {}] $TZData($timezone) \ + set date [ConvertLocalToUTC $date[set date {}] $timezone \ $changeover] return [dict get $date seconds] @@ -4502,7 +2250,7 @@ proc ::tcl::clock::AddDays { days clockval timezone changeover } { # Convert the time to Julian Day - set date [GetDateFields $clockval $TZData($timezone) $changeover] + set date [GetDateFields $clockval $timezone $changeover] dict set date secondOfDay [expr { [dict get $date localSeconds] % 86400 }] @@ -4519,7 +2267,7 @@ proc ::tcl::clock::AddDays { days clockval timezone changeover } { + ( 86400 * wide([dict get $date julianDay]) ) + [dict get $date secondOfDay] }] - set date [ConvertLocalToUTC $date[set date {}] $TZData($timezone) \ + set date [ConvertLocalToUTC $date[set date {}] $timezone \ $changeover] return [dict get $date seconds] @@ -4545,10 +2293,11 @@ proc ::tcl::clock::AddDays { days clockval timezone changeover } { #---------------------------------------------------------------------- proc ::tcl::clock::ChangeCurrentLocale {args} { + + configure -default-locale [lindex $args 0] + variable FormatProc variable LocaleNumeralCache - variable CachedSystemTimeZone - variable TimeZoneBad foreach p [info procs [namespace current]::scanproc'*'current] { rename $p {} @@ -4580,10 +2329,16 @@ proc ::tcl::clock::ChangeCurrentLocale {args} { proc ::tcl::clock::ClearCaches {} { variable FormatProc + variable LocaleFormats variable LocaleNumeralCache - variable CachedSystemTimeZone variable TimeZoneBad + # tell backend - should invalidate: + configure -clear + + # clear msgcat cache: + msgcat::ClearCaches ::tcl::clock + foreach p [info procs [namespace current]::scanproc'*] { rename $p {} } @@ -4591,9 +2346,9 @@ proc ::tcl::clock::ClearCaches {} { rename $p {} } - catch {unset FormatProc} + unset -nocomplain FormatProc + set LocaleFormats {} set LocaleNumeralCache {} - catch {unset CachedSystemTimeZone} set TimeZoneBad {} InitTZData } diff --git a/library/init.tcl b/library/init.tcl index 544ea771cd54..f1f1bb4140c8 100644 --- a/library/init.tcl +++ b/library/init.tcl @@ -66,12 +66,12 @@ namespace eval tcl { } if {![interp issafe]} { - variable Path [encoding dirs] - set Dir [file join $::tcl_library encoding] - if {$Dir ni $Path} { + variable Path [encoding dirs] + set Dir [file join $::tcl_library encoding] + if {$Dir ni $Path} { lappend Path $Dir encoding dirs $Path - } + } } # TIP #255 min and max functions @@ -171,14 +171,14 @@ if {[interp issafe]} { proc clock args { namespace eval ::tcl::clock [list namespace ensemble create -command \ - [uplevel 1 [list namespace origin [lindex [info level 0] 0]]] \ - -subcommands { - add clicks format microseconds milliseconds scan seconds - }] + [uplevel 1 [list namespace origin [lindex [info level 0] 0]]] \ + -subcommands { + add clicks format microseconds milliseconds scan seconds + }] # Auto-loading stubs for 'clock.tcl' - foreach cmd {add format scan} { + foreach cmd {add mcget LocalizeFormat SetupTimeZone GetSystemTimeZone} { proc ::tcl::clock::$cmd args { variable TclLibDir source -encoding utf-8 [file join $TclLibDir clock.tcl] @@ -600,12 +600,12 @@ proc auto_import {pattern} { auto_load_index foreach pattern $patternList { - foreach name [array names auto_index $pattern] { - if {([namespace which -command $name] eq "") + foreach name [array names auto_index $pattern] { + if {([namespace which -command $name] eq "") && ([namespace qualifiers $pattern] eq [namespace qualifiers $name])} { - namespace eval :: $auto_index($name) - } - } + namespace eval :: $auto_index($name) + } + } } } diff --git a/library/msgcat/msgcat.tcl b/library/msgcat/msgcat.tcl index 928474ded08d..12601390417a 100644 --- a/library/msgcat/msgcat.tcl +++ b/library/msgcat/msgcat.tcl @@ -225,6 +225,65 @@ proc msgcat::mc {src args} { } } +# msgcat::mcget -- +# +# Return the translation for the given string based on the given +# locale setting or the whole dictionary object of the package/locale. +# Searching of catalog is similar to "msgcat::mc". +# +# Contrary to "msgcat::mc" may additionally load a package catalog +# on demand. +# +# Arguments: +# ns The package namespace (as catalog selector). +# loc The locale used for translation. +# {src} The string to translate. +# {args} Args to pass to the format command +# +# Results: +# Returns the translated string. Propagates errors thrown by the +# format command. + +proc msgcat::mcget {ns loc args} { + variable Msgs + + if {$loc eq {C}} { + set loclist [PackagePreferences $ns] + set loc [lindex $loclist 0] + } else { + set loc [string tolower $loc] + variable PackageConfig + # get locales list for given locale (de_de -> {de_de de {}}) + if {[catch { + set loclist [dict get $PackageConfig locales $ns $loc] + }]} { + # lazy load catalog on demand + mcpackagelocale load $loc $ns + set loclist [dict get $PackageConfig locales $ns $loc] + } + } + if {![llength $args]} { + # get whole catalog: + return [msgcat::Merge $ns $loclist] + } + set src [lindex $args 0] + # search translation for each locale (regarding parent namespaces) + for {set nscur $ns} {$nscur != ""} {set nscur [namespace parent $nscur]} { + foreach loc $loclist { + if {[dict exists $Msgs $nscur $loc $src]} { + if {[llength $args] > 1} { + return [format [dict get $Msgs $nscur $loc $src] \ + {*}[lrange $args 1 end]] + } else { + return [dict get $Msgs $nscur $loc $src] + } + } + } + } + # get with package default locale + mcget $ns [lindex $loclist 0] {*}$args +} + # msgcat::mcexists -- # # Check if a catalog item is set or if mc would invoke mcunknown. @@ -415,6 +474,10 @@ proc msgcat::mcloadedlocales {subcommand} { # items, if the former locale was the default locale. # Returns the normalized set locale. # The default locale is taken, if locale is not given. +# load +# Load a package locale without set it (lazy loading from mcget). +# Returns the normalized set locale. +# The default locale is taken, if locale is not given. # get # Get the locale valid for this package. # isset @@ -442,7 +505,7 @@ proc msgcat::mcloadedlocales {subcommand} { # Results: # Empty string, if not stated differently for the subcommand -proc msgcat::mcpackagelocale {subcommand {locale ""}} { +proc msgcat::mcpackagelocale {subcommand {locale ""} {ns ""}} { # todo: implement using an ensemble variable Loclist variable LoadedLocales @@ -462,7 +525,9 @@ proc msgcat::mcpackagelocale {subcommand {locale ""}} { } set locale [string tolower $locale] } - set ns [uplevel 1 {::namespace current}] + if {$ns eq ""} { + set ns [uplevel 1 {::namespace current}] + } switch -exact -- $subcommand { get { return [lindex [PackagePreferences $ns] 0] } @@ -470,7 +535,7 @@ proc msgcat::mcpackagelocale {subcommand {locale ""}} { loaded { return [PackageLocales $ns] } present { return [expr {$locale in [PackageLocales $ns]} ]} isset { return [dict exists $PackageConfig loclist $ns] } - set { # set a package locale or add a package locale + set - load { # set a package locale or add a package locale # Copy the default locale if no package locale set so far if {![dict exists $PackageConfig loclist $ns]} { @@ -480,17 +545,21 @@ proc msgcat::mcpackagelocale {subcommand {locale ""}} { # Check if changed set loclist [dict get $PackageConfig loclist $ns] - if {! [info exists locale] || $locale eq [lindex $loclist 0] } { + if {[llength [info level 0]] == 2 || $locale eq [lindex $loclist 0] } { return [lindex $loclist 0] } # Change loclist set loclist [GetPreferences $locale] set locale [lindex $loclist 0] - dict set PackageConfig loclist $ns $loclist + if {$subcommand eq {set}} { + # set loclist + dict set PackageConfig loclist $ns $loclist + } # load eventual missing locales set loadedLocales [dict get $PackageConfig loadedlocales $ns] + dict set PackageConfig locales $ns $locale $loclist if {$locale in $loadedLocales} { return $locale } set loadLocales [ListComplement $loadedLocales $loclist] dict set PackageConfig loadedlocales $ns\ @@ -521,6 +590,7 @@ proc msgcat::mcpackagelocale {subcommand {locale ""}} { [dict get $PackageConfig loadedlocales $ns] $LoadedLocales] dict unset PackageConfig loadedlocales $ns dict unset PackageConfig loclist $ns + dict unset PackageConfig locales $ns # unset keys not in global loaded locales if {[dict exists $Msgs $ns]} { @@ -847,6 +917,45 @@ proc msgcat::Load {ns locales {callbackonly 0}} { return $x } +# msgcat::Merge -- +# +# Merge message catalog dictionaries to one dictionary. +# +# Arguments: +# ns Namespace (equal package) to load the message catalog. +# locales List of locales to merge. +# +# Results: +# Returns the merged dictionary of message catalogs. +proc msgcat::Merge {ns locales} { + variable Merged + if {![catch { + set mrgcat [dict get $Merged $ns [set loc [lindex $locales 0]]] + }]} { + return $mrgcat + } + variable Msgs + # Merge sequential locales (in reverse order, e. g. {} -> en -> en_en): + if {[llength $locales] > 1} { + set mrgcat [msgcat::Merge $ns [lrange $locales 1 end]] + catch { + set mrgcat [dict merge $mrgcat [dict get $Msgs $ns $loc]] + } + } else { + catch { + set mrgcat [dict get $Msgs $ns $loc] + } + } + dict set Merged $ns $loc $mrgcat + # return smart reference (shared dict as object with exact one ref-counter) + return [dict smartref $mrgcat] +} + +proc msgcat::ClearCaches {ns} { + variable Merged + dict unset Merged $ns +} + # msgcat::Invoke -- # # Invoke a set of registered callbacks. @@ -919,6 +1028,7 @@ proc msgcat::Invoke {index arglist {ns ""} {resultname ""} {failerror 0}} { proc msgcat::mcset {locale src {dest ""}} { variable Msgs + variable Merged if {[llength [info level 0]] == 3} { ;# dest not specified set dest $src } @@ -928,6 +1038,7 @@ proc msgcat::mcset {locale src {dest ""}} { set locale [string tolower $locale] dict set Msgs $ns $locale $src $dest + dict unset Merged $ns return $dest } @@ -967,6 +1078,7 @@ proc msgcat::mcflset {src {dest ""}} { proc msgcat::mcmset {locale pairs} { variable Msgs + variable Merged set length [llength $pairs] if {$length % 2} { @@ -980,6 +1092,7 @@ proc msgcat::mcmset {locale pairs} { foreach {src dest} $pairs { dict set Msgs $ns $locale $src $dest } + dict unset Merged $ns return [expr {$length / 2}] } diff --git a/tests/clock.test b/tests/clock.test index 6a0fecdc7640..d9c491aab825 100644 --- a/tests/clock.test +++ b/tests/clock.test @@ -18553,17 +18553,156 @@ test clock-6.8 {input of seconds} { } 9223372036854775807 test clock-6.9 {input of seconds - overflow} { - list [catch {clock scan -9223372036854775809 -format %s -gmt true} result] $result -} {1 {integer value too large to represent}} + list [catch {clock scan -9223372036854775809 -format %s -gmt true} result] $result $::errorCode +} {1 {requested date too large to represent} {CLOCK dateTooLarge}} test clock-6.10 {input of seconds - overflow} { - list [catch {clock scan 9223372036854775808 -format %s -gmt true} result] $result -} {1 {integer value too large to represent}} + list [catch {clock scan 9223372036854775808 -format %s -gmt true} result] $result $::errorCode +} {1 {requested date too large to represent} {CLOCK dateTooLarge}} test clock-6.11 {input of seconds - two values} { clock scan {1 2} -format {%s %s} -gmt true } 2 +test clock-6.12 {input of unambiguous short locale token (%b)} { + list [clock scan "12 Ja 2001" -format "%d %b %Y" -locale en_US_roman -gmt 1] \ + [clock scan "12 Au 2001" -format "%d %b %Y" -locale en_US_roman -gmt 1] +} {979257600 997574400} +test clock-6.13 {input of lowercase locale token (%b)} { + list [clock scan "12 ja 2001" -format "%d %b %Y" -locale en_US_roman -gmt 1] \ + [clock scan "12 au 2001" -format "%d %b %Y" -locale en_US_roman -gmt 1] +} {979257600 997574400} +test clock-6.14 {input of uppercase locale token (%b)} { + list [clock scan "12 JA 2001" -format "%d %b %Y" -locale en_US_roman -gmt 1] \ + [clock scan "12 AU 2001" -format "%d %b %Y" -locale en_US_roman -gmt 1] +} {979257600 997574400} +test clock-6.15 {input of ambiguous short locale token (%b)} { + list [catch { + clock scan "12 J 2001" -format "%d %b %Y" -locale en_US_roman -gmt 1 + } result] $result $errorCode +} {1 {input string does not match supplied format} {CLOCK badInputString}} +test clock-6.16 {input of ambiguous short locale token (%b)} { + list [catch { + clock scan "12 Ju 2001" -format "%d %b %Y" -locale en_US_roman -gmt 1 + } result] $result $errorCode +} {1 {input string does not match supplied format} {CLOCK badInputString}} + +test clock-6.17 {spaces are always optional in non-strict mode (default)} { + list [clock scan "2009-06-30T18:30:00+02:00" -format "%Y-%m-%dT%H:%M:%S%z" -gmt 1] \ + [clock scan "2009-06-30T18:30:00 +02:00" -format "%Y-%m-%dT%H:%M:%S%z" -gmt 1] \ + [clock scan "2009-06-30T18:30:00Z" -format "%Y-%m-%dT%H:%M:%S%z" -timezone CET] \ + [clock scan "2009-06-30T18:30:00 Z" -format "%Y-%m-%dT%H:%M:%S%z" -timezone CET] +} {1246379400 1246379400 1246386600 1246386600} + +test clock-6.18 {zone token (%z) is optional} { + list [clock scan "2009-06-30T18:30:00 -01:00" -format "%Y-%m-%dT%H:%M:%S%z" -gmt 1] \ + [clock scan "2009-06-30T18:30:00" -format "%Y-%m-%dT%H:%M:%S%z" -gmt 1] \ + [clock scan " 2009-06-30T18:30:00 " -format "%Y-%m-%dT%H:%M:%S%z" -gmt 1] \ +} {1246390200 1246386600 1246386600} + +test clock-6.19 {no token parsing} { + list [catch { clock scan "%E%O%" -format "%E%O%" }] \ + [catch { clock scan "...%..." -format "...%%..." }] +} {0 0} + +test clock-6.20 {special char tokens %n, %t} { + clock scan "30\t06\t2009\n18\t30" -format "%d%t%m%t%Y%n%H%t%M" -gmt 1 +} 1246386600 + +# Hi, Jeff! +test clock-6.21.0 {Stardate 0 day} { + list [set d [clock format -757382400 -format "%Q" -gmt 1]] \ + [clock scan $d -format "%Q" -gmt 1] +} [list "Stardate 00000.0" -757382400] +test clock-6.21.1 {Stardate} { + list [set d [clock format 1482857280 -format "%Q" -gmt 1]] \ + [clock scan $d -format "%Q" -gmt 1] +} [list "Stardate 70986.7" 1482857280] +test clock-6.21.2 {Stardate next time} { + list [set d [clock format 1482865920 -format "%Q" -gmt 1]] \ + [clock scan $d -format "%Q" -gmt 1] +} [list "Stardate 70986.8" 1482865920] +test clock-6.21.3 {Stardate correct scan over year (leap year, begin, middle and end of the year)} -body { + set s [clock scan "01.01.2016" -f "%d.%m.%Y" -g 1] + set s [set i [clock scan [clock format $s -f "%Q" -g 1] -g 1]] + set wrong {} + while {[incr i 86400] < $s + 86400*366*2} { + set d [clock format $i -f "%Q" -g 1] + set i2 [clock scan $d -f "%Q" -g 1] + if {$i != $i2} { + lappend wrong "$d -- ($i != $i2) -- [clock format $i -g 1]" + } + } + join $wrong \n +} -result {} -cleanup { + unset -nocomplain wrong i i2 s d +} + +test clock-6.22.1 {Greedy match} { + clock format [clock scan "111" -format "%d%m%y" -gmt 1] -locale en -gmt 1 +} {Mon Jan 01 00:00:00 GMT 2001} +test clock-6.22.2 {Greedy match} { + clock format [clock scan "1111" -format "%d%m%y" -gmt 1] -locale en -gmt 1 +} {Thu Jan 11 00:00:00 GMT 2001} +test clock-6.22.3 {Greedy match} { + clock format [clock scan "11111" -format "%d%m%y" -gmt 1] -locale en -gmt 1 +} {Sun Nov 11 00:00:00 GMT 2001} +test clock-6.22.4 {Greedy match} { + clock format [clock scan "111111" -format "%d%m%y" -gmt 1] -locale en -gmt 1 +} {Fri Nov 11 00:00:00 GMT 2011} +test clock-6.22.5 {Greedy match} { + clock format [clock scan "1 1 1" -format "%d%m%y" -gmt 1] -locale en -gmt 1 +} {Mon Jan 01 00:00:00 GMT 2001} +test clock-6.22.6 {Greedy match} { + clock format [clock scan "111 1" -format "%d%m%y" -gmt 1] -locale en -gmt 1 +} {Thu Jan 11 00:00:00 GMT 2001} +test clock-6.22.7 {Greedy match} { + clock format [clock scan "1 111" -format "%d%m%y" -gmt 1] -locale en -gmt 1 +} {Thu Nov 01 00:00:00 GMT 2001} +test clock-6.22.8 {Greedy match} { + clock format [clock scan "1 11 1" -format "%d%m%y" -gmt 1] -locale en -gmt 1 +} {Thu Nov 01 00:00:00 GMT 2001} +test clock-6.22.9 {Greedy match} { + clock format [clock scan "1 11 11" -format "%d%m%y" -gmt 1] -locale en -gmt 1 +} {Tue Nov 01 00:00:00 GMT 2011} +test clock-6.22.10 {Greedy match} { + clock format [clock scan "11 11 11" -format "%d%m%y" -gmt 1] -locale en -gmt 1 +} {Fri Nov 11 00:00:00 GMT 2011} +test clock-6.22.11 {Greedy match} { + clock format [clock scan "1111 120" -format "%y%m%d %H%M%S" -gmt 1] -locale en -gmt 1 +} {Sat Jan 01 01:02:00 GMT 2011} +test clock-6.22.12 {Greedy match} { + clock format [clock scan "11 1 120" -format "%y%m%d %H%M%S" -gmt 1] -locale en -gmt 1 +} {Mon Jan 01 01:02:00 GMT 2001} +test clock-6.22.13 {Greedy match} { + clock format [clock scan "1 11 120" -format "%y%m%d %H%M%S" -gmt 1] -locale en -gmt 1 +} {Mon Jan 01 01:02:00 GMT 2001} +test clock-6.22.14 {Greedy match} { + clock format [clock scan "111120" -format "%y%m%d%H%M%S" -gmt 1] -locale en -gmt 1 +} {Mon Jan 01 01:02:00 GMT 2001} +test clock-6.22.15 {Greedy match} { + clock format [clock scan "1111120" -format "%y%m%d%H%M%S" -gmt 1] -locale en -gmt 1 +} {Sat Jan 01 01:02:00 GMT 2011} +test clock-6.22.16 {Greedy match} { + clock format [clock scan "11121120" -format "%y%m%d%H%M%S" -gmt 1] -locale en -gmt 1 +} {Thu Dec 01 01:02:00 GMT 2011} +test clock-6.22.17 {Greedy match} { + clock format [clock scan "111213120" -format "%y%m%d%H%M%S" -gmt 1] -locale en -gmt 1 +} {Tue Dec 13 01:02:00 GMT 2011} +test clock-6.22.17 {Greedy match (space wins as date-time separator)} { + clock format [clock scan "1112 13120" -format "%y%m%d %H%M%S" -gmt 1] -locale en -gmt 1 +} {Sun Jan 02 13:12:00 GMT 2011} +test clock-6.22.18 {Greedy match (second space wins as date-time separator)} { + clock format [clock scan "1112 13 120" -format "%y%m%d %H%M%S" -gmt 1] -locale en -gmt 1 +} {Tue Dec 13 01:02:00 GMT 2011} +test clock-6.22.19 {Greedy match (space wins as date-time separator)} { + clock format [clock scan "111 213120" -format "%y%m%d %H%M%S" -gmt 1] -locale en -gmt 1 +} {Mon Jan 01 21:31:20 GMT 2001} +test clock-6.22.20 {Greedy match (second space wins as date-time separator)} { + clock format [clock scan "111 2 13120" -format "%y%m%d %H%M%S" -gmt 1] -locale en -gmt 1 +} {Sun Jan 02 13:12:00 GMT 2011} + + test clock-7.1 {Julian Day} { clock scan 0 -format %J -gmt true } -210866803200 @@ -21070,78 +21209,78 @@ test clock-10.10 {julian day takes precedence over ccyyddd} { # BEGIN testcases11 -# Test precedence among yyyymmdd and yyyyddd +# Test precedence yyyymmdd over yyyyddd -test clock-11.1 {precedence of ccyyddd and ccyymmdd} { +test clock-11.1 {precedence of ccyymmdd over ccyyddd} { clock scan 19700101002 -format %Y%m%d%j -gmt 1 -} 86400 -test clock-11.2 {precedence of ccyyddd and ccyymmdd} { +} 0 +test clock-11.2 {precedence of ccyymmdd over ccyyddd} { clock scan 01197001002 -format %m%Y%d%j -gmt 1 -} 86400 -test clock-11.3 {precedence of ccyyddd and ccyymmdd} { +} 0 +test clock-11.3 {precedence of ccyymmdd over ccyyddd} { clock scan 01197001002 -format %d%Y%m%j -gmt 1 -} 86400 -test clock-11.4 {precedence of ccyyddd and ccyymmdd} { +} 0 +test clock-11.4 {precedence of ccyymmdd over ccyyddd} { clock scan 00219700101 -format %j%Y%m%d -gmt 1 } 0 -test clock-11.5 {precedence of ccyyddd and ccyymmdd} { +test clock-11.5 {precedence of ccyymmdd over ccyyddd} { clock scan 19700100201 -format %Y%m%j%d -gmt 1 } 0 -test clock-11.6 {precedence of ccyyddd and ccyymmdd} { +test clock-11.6 {precedence of ccyymmdd over ccyyddd} { clock scan 01197000201 -format %m%Y%j%d -gmt 1 } 0 -test clock-11.7 {precedence of ccyyddd and ccyymmdd} { +test clock-11.7 {precedence of ccyymmdd over ccyyddd} { clock scan 01197000201 -format %d%Y%j%m -gmt 1 } 0 -test clock-11.8 {precedence of ccyyddd and ccyymmdd} { +test clock-11.8 {precedence of ccyymmdd over ccyyddd} { clock scan 00219700101 -format %j%Y%d%m -gmt 1 } 0 -test clock-11.9 {precedence of ccyyddd and ccyymmdd} { +test clock-11.9 {precedence of ccyymmdd over ccyyddd} { clock scan 19700101002 -format %Y%d%m%j -gmt 1 -} 86400 -test clock-11.10 {precedence of ccyyddd and ccyymmdd} { +} 0 +test clock-11.10 {precedence of ccyymmdd over ccyyddd} { clock scan 01011970002 -format %m%d%Y%j -gmt 1 -} 86400 -test clock-11.11 {precedence of ccyyddd and ccyymmdd} { +} 0 +test clock-11.11 {precedence of ccyymmdd over ccyyddd} { clock scan 01011970002 -format %d%m%Y%j -gmt 1 -} 86400 -test clock-11.12 {precedence of ccyyddd and ccyymmdd} { +} 0 +test clock-11.12 {precedence of ccyymmdd over ccyyddd} { clock scan 00201197001 -format %j%m%Y%d -gmt 1 } 0 -test clock-11.13 {precedence of ccyyddd and ccyymmdd} { +test clock-11.13 {precedence of ccyymmdd over ccyyddd} { clock scan 19700100201 -format %Y%d%j%m -gmt 1 } 0 -test clock-11.14 {precedence of ccyyddd and ccyymmdd} { +test clock-11.14 {precedence of ccyymmdd over ccyyddd} { clock scan 01010021970 -format %m%d%j%Y -gmt 1 -} 86400 -test clock-11.15 {precedence of ccyyddd and ccyymmdd} { +} 0 +test clock-11.15 {precedence of ccyymmdd over ccyyddd} { clock scan 01010021970 -format %d%m%j%Y -gmt 1 -} 86400 -test clock-11.16 {precedence of ccyyddd and ccyymmdd} { +} 0 +test clock-11.16 {precedence of ccyymmdd over ccyyddd} { clock scan 00201011970 -format %j%m%d%Y -gmt 1 } 0 -test clock-11.17 {precedence of ccyyddd and ccyymmdd} { +test clock-11.17 {precedence of ccyymmdd over ccyyddd} { clock scan 19700020101 -format %Y%j%m%d -gmt 1 } 0 -test clock-11.18 {precedence of ccyyddd and ccyymmdd} { +test clock-11.18 {precedence of ccyymmdd over ccyyddd} { clock scan 01002197001 -format %m%j%Y%d -gmt 1 } 0 -test clock-11.19 {precedence of ccyyddd and ccyymmdd} { +test clock-11.19 {precedence of ccyymmdd over ccyyddd} { clock scan 01002197001 -format %d%j%Y%m -gmt 1 } 0 -test clock-11.20 {precedence of ccyyddd and ccyymmdd} { +test clock-11.20 {precedence of ccyymmdd over ccyyddd} { clock scan 00201197001 -format %j%d%Y%m -gmt 1 } 0 -test clock-11.21 {precedence of ccyyddd and ccyymmdd} { +test clock-11.21 {precedence of ccyymmdd over ccyyddd} { clock scan 19700020101 -format %Y%j%d%m -gmt 1 } 0 -test clock-11.22 {precedence of ccyyddd and ccyymmdd} { +test clock-11.22 {precedence of ccyymmdd over ccyyddd} { clock scan 01002011970 -format %m%j%d%Y -gmt 1 } 0 -test clock-11.23 {precedence of ccyyddd and ccyymmdd} { +test clock-11.23 {precedence of ccyymmdd over ccyyddd} { clock scan 01002011970 -format %d%j%m%Y -gmt 1 } 0 -test clock-11.24 {precedence of ccyyddd and ccyymmdd} { +test clock-11.24 {precedence of ccyymmdd over ccyyddd} { clock scan 00201011970 -format %j%d%m%Y -gmt 1 } 0 # END testcases11 @@ -35662,7 +35801,7 @@ test clock-34.8 {clock scan tests} { } {Oct 23,1992 15:00 GMT} test clock-34.9 {clock scan tests} { list [catch {clock scan "Jan 12" -bad arg} msg] $msg -} {1 {bad option "-bad", must be -base, -format, -gmt, -locale or -timezone}} +} {1 {bad option "-bad": must be -format, -gmt, -locale, -timezone, or -base}} # The following two two tests test the two year date policy test clock-34.10 {clock scan tests} { set time [clock scan "1/1/71" -gmt true] @@ -35672,7 +35811,15 @@ test clock-34.11 {clock scan tests} { set time [clock scan "1/1/37" -gmt true] clock format $time -format {%b %d,%Y %H:%M GMT} -gmt true } {Jan 01,2037 00:00 GMT} - +test clock-34.11.1 {clock scan tests: same century switch} { + set times [clock scan "1/1/37" -gmt true] +} [clock scan "1/1/37" -format "%m/%d/%y" -gmt true] +test clock-34.11.2 {clock scan tests: same century switch} { + set times [clock scan "1/1/38" -gmt true] +} [clock scan "1/1/38" -format "%m/%d/%y" -gmt true] +test clock-34.11.3 {clock scan tests: same century switch} { + set times [clock scan "1/1/39" -gmt true] +} [clock scan "1/1/39" -format "%m/%d/%y" -gmt true] test clock-34.12 {clock scan, relative times} { set time [clock scan "Oct 23, 1992 -1 day"] clock format $time -format {%b %d, %Y} @@ -35795,6 +35942,27 @@ test clock-34.40 {clock scan, next day of week} { clock format [clock scan "next thursday" -base [clock scan 20000112]] \ -format {%b %d, %Y} } "Jan 20, 2000" +test clock-34.40.1 {clock scan, ordinal month after relative date} { + # This will fail without the bug fix (clock.tcl), as still missing + # month/julian day conversion before ordinal month increment + clock format [ \ + clock scan "5 years 18 months 387 days" -base 0 -gmt 1 + ] -format {%a, %b %d, %Y} -gmt 1 -locale en_US_roman +} "Sat, Jul 23, 1977" +test clock-34.40.2 {clock scan, ordinal month after relative date} { + # This will fail without the bug fix (clock.tcl), as still missing + # month/julian day conversion before ordinal month increment + clock format [ \ + clock scan "5 years 18 months 387 days next Jan" -base 0 -gmt 1 + ] -format {%a, %b %d, %Y} -gmt 1 -locale en_US_roman +} "Mon, Jan 23, 1978" +test clock-34.40.3 {clock scan, day of week after ordinal date} { + # This will fail without the bug fix (clock.tcl), because the relative + # week day should be applied after whole date conversion + clock format [ \ + clock scan "5 years 18 months 387 days next January Fri" -base 0 -gmt 1 + ] -format {%a, %b %d, %Y} -gmt 1 -locale en_US_roman +} "Fri, Jan 27, 1978" # weekday specification and base. test clock-34.41 {2nd monday in november} { @@ -35888,7 +36056,94 @@ test clock-34.52 {more than one ordinal month} {*}{ -result {unable to convert date-time string "next January next March": more than one ordinal month in string} } +test clock-34.53.1 {relative from base, date switch} { + set base [clock scan "12/31/2016 23:59:59" -gmt 1] + clock format [clock scan "+1 second" \ + -base $base -gmt 1] -gmt 1 -format {%Y-%m-%d %H:%M:%S} +} {2017-01-01 00:00:00} +test clock-34.53.2 {relative time, daylight switch} { + set base [clock scan "03/27/2016" -timezone CET] + set res {} + lappend res [clock format [clock scan "+1 hour" \ + -base $base -timezone CET] -timezone CET -format {%Y-%m-%d %H:%M:%S %Z}] + lappend res [clock format [clock scan "+2 hour" \ + -base $base -timezone CET] -timezone CET -format {%Y-%m-%d %H:%M:%S %Z}] +} {{2016-03-27 01:00:00 CET} {2016-03-27 03:00:00 CEST}} + +test clock-34.53.3 {relative time with day increment / daylight switch} { + set base [clock scan "03/27/2016" -timezone CET] + set res {} + lappend res [clock format [clock scan "+5 day +25 hour" \ + -base [expr {$base - 6*24*60*60}] -timezone CET] -timezone CET -format {%Y-%m-%d %H:%M:%S %Z}] + lappend res [clock format [clock scan "+5 day +26 hour" \ + -base [expr {$base - 6*24*60*60}] -timezone CET] -timezone CET -format {%Y-%m-%d %H:%M:%S %Z}] +} {{2016-03-27 01:00:00 CET} {2016-03-27 03:00:00 CEST}} + +test clock-34.53.4 {relative time with month & day increment / daylight switch} { + set base [clock scan "03/27/2016" -timezone CET] + set res {} + lappend res [clock format [clock scan "next Mar +5 day +25 hour" \ + -base [expr {$base - 35*24*60*60}] -timezone CET] -timezone CET -format {%Y-%m-%d %H:%M:%S %Z}] + lappend res [clock format [clock scan "next Mar +5 day +26 hour" \ + -base [expr {$base - 35*24*60*60}] -timezone CET] -timezone CET -format {%Y-%m-%d %H:%M:%S %Z}] +} {{2016-03-27 01:00:00 CET} {2016-03-27 03:00:00 CEST}} + +test clock-34.54.1 {check date in DST-hole: daylight switch CET -> CEST} { + set res {} + # forwards + set base 1459033200 + for {set i 0} {$i <= 3} {incr i} { + set d [clock scan "+$i hour" -base $base -timezone CET] + lappend res "$d = [clock format $d -timezone CET -format {%Y-%m-%d %H:%M:%S %Z}]" + } + lappend res "#--" + # backwards + set base 1459044000 + for {set i 0} {$i <= 3} {incr i} { + set d [clock scan "-$i hour" -base $base -timezone CET] + lappend res "$d = [clock format $d -timezone CET -format {%Y-%m-%d %H:%M:%S %Z}]" + } + set res +} [split [regsub -all {^\n|\n$} { +1459033200 = 2016-03-27 00:00:00 CET +1459036800 = 2016-03-27 01:00:00 CET +1459040400 = 2016-03-27 03:00:00 CEST +1459044000 = 2016-03-27 04:00:00 CEST +#-- +1459044000 = 2016-03-27 04:00:00 CEST +1459040400 = 2016-03-27 03:00:00 CEST +1459036800 = 2016-03-27 01:00:00 CET +1459033200 = 2016-03-27 00:00:00 CET +} {}] \n] + +test clock-34.54.2 {check date in DST-hole: daylight switch CEST -> CET} { + set res {} + # forwards + set base 1477782000 + for {set i 0} {$i <= 3} {incr i} { + set d [clock scan "+$i hour" -base $base -timezone CET] + lappend res "$d = [clock format $d -timezone CET -format {%Y-%m-%d %H:%M:%S %Z}]" + } + lappend res "#--" + # backwards + set base 1477792800 + for {set i 0} {$i <= 3} {incr i} { + set d [clock scan "-$i hour" -base $base -timezone CET] + lappend res "$d = [clock format $d -timezone CET -format {%Y-%m-%d %H:%M:%S %Z}]" + } + set res +} [split [regsub -all {^\n|\n$} { +1477782000 = 2016-10-30 01:00:00 CEST +1477785600 = 2016-10-30 02:00:00 CEST +1477789200 = 2016-10-30 02:00:00 CET +1477792800 = 2016-10-30 03:00:00 CET +#-- +1477792800 = 2016-10-30 03:00:00 CET +1477789200 = 2016-10-30 02:00:00 CET +1477785600 = 2016-10-30 02:00:00 CEST +1477782000 = 2016-10-30 01:00:00 CEST +} {}] \n] # clock seconds test clock-35.1 {clock seconds tests} { @@ -35923,10 +36178,21 @@ test clock-37.1 {%s gmt testing} { set s [clock seconds] set a [clock format $s -format %s -gmt 0] set b [clock format $s -format %s -gmt 1] + set c [clock scan $s -format %s -gmt 0] + set d [clock scan $s -format %s -gmt 1] # %s, being the difference between local and Greenwich, does not # depend on the time zone. - set c [expr {$b-$a}] -} {0} + list [expr {$b-$a}] [expr {$d-$c}] +} {0 0} +test clock-37.2 {%Es gmt testing} { + set s [clock seconds] + set a [clock format $s -format %Es -timezone CET] + set b [clock format $s -format %Es -gmt 1] + set c [clock scan $s -format %Es -timezone CET] + set d [clock scan $s -format %Es -gmt 1] + # %Es depend on the time zone (local seconds instead of posix seconds). + list [expr {$b-$a}] [expr {$d-$c}] +} {-3600 3600} test clock-38.1 {regression - convertUTCToLocalViaC - east of Greenwich} \ -setup { diff --git a/unix/Makefile.in b/unix/Makefile.in index c4f6136be4b8..9bdcacd14f1b 100644 --- a/unix/Makefile.in +++ b/unix/Makefile.in @@ -292,7 +292,7 @@ XTTEST_OBJS = xtTestInit.o tclTest.o tclTestObj.o tclTestProcBodyObj.o \ GENERIC_OBJS = regcomp.o regexec.o regfree.o regerror.o tclAlloc.o \ tclAssembly.o tclAsync.o tclBasic.o tclBinary.o tclCkalloc.o \ - tclClock.o tclCmdAH.o tclCmdIL.o tclCmdMZ.o \ + tclClock.o tclClockFmt.o tclCmdAH.o tclCmdIL.o tclCmdMZ.o \ tclCompCmds.o tclCompCmdsGR.o tclCompCmdsSZ.o tclCompExpr.o \ tclCompile.o tclConfig.o tclDate.o tclDictObj.o tclDisassemble.o \ tclEncoding.o tclEnsemble.o \ @@ -304,7 +304,7 @@ GENERIC_OBJS = regcomp.o regexec.o regfree.o regerror.o tclAlloc.o \ tclObj.o tclOptimize.o tclPanic.o tclParse.o tclPathObj.o tclPipe.o \ tclPkg.o tclPkgConfig.o tclPosixStr.o \ tclPreserve.o tclProc.o tclRegexp.o \ - tclResolve.o tclResult.o tclScan.o tclStringObj.o \ + tclResolve.o tclResult.o tclScan.o tclStringObj.o tclStrIdxTree.o \ tclStrToD.o tclThread.o \ tclThreadAlloc.o tclThreadJoin.o tclThreadStorage.o tclStubInit.o \ tclTimer.o tclTrace.o tclUtf.o tclUtil.o tclVar.o tclZlib.o \ @@ -396,6 +396,7 @@ GENERIC_SRCS = \ $(GENERIC_DIR)/tclBinary.c \ $(GENERIC_DIR)/tclCkalloc.c \ $(GENERIC_DIR)/tclClock.c \ + $(GENERIC_DIR)/tclClockFmt.c \ $(GENERIC_DIR)/tclCmdAH.c \ $(GENERIC_DIR)/tclCmdIL.c \ $(GENERIC_DIR)/tclCmdMZ.c \ @@ -450,6 +451,7 @@ GENERIC_SRCS = \ $(GENERIC_DIR)/tclScan.c \ $(GENERIC_DIR)/tclStubInit.c \ $(GENERIC_DIR)/tclStringObj.c \ + $(GENERIC_DIR)/tclStrIdxTree.c \ $(GENERIC_DIR)/tclStrToD.c \ $(GENERIC_DIR)/tclTest.c \ $(GENERIC_DIR)/tclTestObj.c \ @@ -1073,6 +1075,9 @@ tclCkalloc.o: $(GENERIC_DIR)/tclCkalloc.c tclClock.o: $(GENERIC_DIR)/tclClock.c $(CC) -c $(CC_SWITCHES) $(GENERIC_DIR)/tclClock.c +tclClockFmt.o: $(GENERIC_DIR)/tclClockFmt.c + $(CC) -c $(CC_SWITCHES) $(GENERIC_DIR)/tclClockFmt.c + tclCmdAH.o: $(GENERIC_DIR)/tclCmdAH.c $(CC) -c $(CC_SWITCHES) $(GENERIC_DIR)/tclCmdAH.c @@ -1301,6 +1306,9 @@ tclScan.o: $(GENERIC_DIR)/tclScan.c tclStringObj.o: $(GENERIC_DIR)/tclStringObj.c $(MATHHDRS) $(CC) -c $(CC_SWITCHES) $(GENERIC_DIR)/tclStringObj.c +tclStrIdxTree.o: $(GENERIC_DIR)/tclStrIdxTree.c $(MATHHDRS) + $(CC) -c $(CC_SWITCHES) $(GENERIC_DIR)/tclStrIdxTree.c + tclStrToD.o: $(GENERIC_DIR)/tclStrToD.c $(MATHHDRS) $(CC) -c $(CC_SWITCHES) $(GENERIC_DIR)/tclStrToD.c diff --git a/win/Makefile.in b/win/Makefile.in index e967ef33e8ce..478bbb9d17c3 100644 --- a/win/Makefile.in +++ b/win/Makefile.in @@ -228,6 +228,7 @@ GENERIC_OBJS = \ tclBinary.$(OBJEXT) \ tclCkalloc.$(OBJEXT) \ tclClock.$(OBJEXT) \ + tclClockFmt.$(OBJEXT) \ tclCmdAH.$(OBJEXT) \ tclCmdIL.$(OBJEXT) \ tclCmdMZ.$(OBJEXT) \ @@ -290,6 +291,7 @@ GENERIC_OBJS = \ tclResult.$(OBJEXT) \ tclScan.$(OBJEXT) \ tclStringObj.$(OBJEXT) \ + tclStrIdxTree.$(OBJEXT) \ tclStrToD.$(OBJEXT) \ tclStubInit.$(OBJEXT) \ tclThread.$(OBJEXT) \ diff --git a/win/makefile.vc b/win/makefile.vc index d6de5e14b6c1..aeb6c5a742eb 100644 --- a/win/makefile.vc +++ b/win/makefile.vc @@ -270,6 +270,7 @@ COREOBJS = \ $(TMP_DIR)\tclBinary.obj \ $(TMP_DIR)\tclCkalloc.obj \ $(TMP_DIR)\tclClock.obj \ + $(TMP_DIR)\tclClockFmt.obj \ $(TMP_DIR)\tclCmdAH.obj \ $(TMP_DIR)\tclCmdIL.obj \ $(TMP_DIR)\tclCmdMZ.obj \ @@ -332,6 +333,7 @@ COREOBJS = \ $(TMP_DIR)\tclResult.obj \ $(TMP_DIR)\tclScan.obj \ $(TMP_DIR)\tclStringObj.obj \ + $(TMP_DIR)\tclStrIdxTree.obj \ $(TMP_DIR)\tclStrToD.obj \ $(TMP_DIR)\tclStubInit.obj \ $(TMP_DIR)\tclThread.obj \ diff --git a/win/test-performance.tcl b/win/test-performance.tcl new file mode 100644 index 000000000000..16664b286cc1 --- /dev/null +++ b/win/test-performance.tcl @@ -0,0 +1,346 @@ +#!/usr/bin/tclsh +# ------------------------------------------------------------------------ +# +# test-performance.tcl -- +# +# This file provides common performance tests for comparison of tcl-speed +# degradation by switching between branches. +# (currently for clock ensemble only) +# +# ------------------------------------------------------------------------ +# +# Copyright (c) 2014 Serg G. Brester (aka sebres) +# +# See the file "license.terms" for information on usage and redistribution +# of this file. +# + + +## set testing defaults: +set ::env(TCL_TZ) :CET + +# warm-up interpeter compiler env, clock platform-related features, +# calibrate timerate measurement functionality: +puts -nonewline "Calibration ... "; flush stdout +puts "done: [lrange \ + [timerate -calibrate {}] \ +0 1]" + +## warm-up test-related features (load clock.tcl, system zones, locales, etc.): +clock scan "" -gmt 1 +clock scan "" +clock scan "" -timezone :CET +clock scan "" -format "" -locale en +clock scan "" -format "" -locale de + +## ------------------------------------------ + +proc {**STOP**} {args} { + return -code error -level 4 "**STOP** in [info level [expr {[info level]-2}]] [join $args { }]" +} + +proc _test_get_commands {lst} { + regsub -all {(?:^|\n)[ \t]*(\#[^\n]*|\msetup\M[^\n]*|\mcleanup\M[^\n]*)(?=\n\s*(?:[\{\#]|setup|cleanup))} $lst "\n{\\1}" +} + +proc _test_out_total {} { + upvar _ _ + + set tcnt [llength $_(itm)] + if {!$tcnt} { + puts "" + return + } + + set mintm 0x7fffffff + set maxtm 0 + set nett 0 + set wtm 0 + set wcnt 0 + set i 0 + foreach tm $_(itm) { + if {[llength $tm] > 6} { + set nett [expr {$nett + [lindex $tm 6]}] + } + set wtm [expr {$wtm + [lindex $tm 0]}] + set wcnt [expr {$wcnt + [lindex $tm 2]}] + set tm [lindex $tm 0] + if {$tm > $maxtm} {set maxtm $tm; set maxi $i} + if {$tm < $mintm} {set mintm $tm; set mini $i} + incr i + } + + puts [string repeat ** 40] + set s [format "%d cases in %.2f sec." $tcnt [expr {$tcnt * $_(reptime) / 1000.0}]] + if {$nett > 0} { + append s [format " (%.2f nett-sec.)" [expr {$nett / 1000.0}]] + } + puts "Total $s:" + lset _(m) 0 [format %.6f $wtm] + lset _(m) 2 $wcnt + lset _(m) 4 [format %.3f [expr {$wcnt / (($nett ? $nett : ($tcnt * $_(reptime))) / 1000.0)}]] + if {[llength $_(m)] > 6} { + lset _(m) 6 [format %.3f $nett] + } + puts $_(m) + puts "Average:" + lset _(m) 0 [format %.6f [expr {[lindex $_(m) 0] / $tcnt}]] + lset _(m) 2 [expr {[lindex $_(m) 2] / $tcnt}] + if {[llength $_(m)] > 6} { + lset _(m) 6 [format %.3f [expr {[lindex $_(m) 6] / $tcnt}]] + lset _(m) 4 [format %.0f [expr {[lindex $_(m) 2] / [lindex $_(m) 6] * 1000}]] + } + puts $_(m) + puts "Min:" + puts [lindex $_(itm) $mini] + puts "Max:" + puts [lindex $_(itm) $maxi] + puts [string repeat ** 40] + puts "" +} + +proc _test_run {reptime lst {outcmd {puts $_(r)}}} { + upvar _ _ + array set _ [list itm {} reptime $reptime] + + foreach _(c) [_test_get_commands $lst] { + puts "% [regsub -all {\n[ \t]*} $_(c) {; }]" + if {[regexp {^\s*\#} $_(c)]} continue + if {[regexp {^\s*(?:setup|cleanup)\s+} $_(c)]} { + puts [if 1 [lindex $_(c) 1]] + continue + } + set _(r) [if 1 $_(c)] + if {$outcmd ne {}} $outcmd + puts [set _(m) [timerate $_(c) $reptime]] + lappend _(itm) $_(m) + puts "" + } + _test_out_total +} + +proc test-format {{reptime 1000}} { + _test_run $reptime { + # Format : short, week only (in gmt) + {clock format 1482525936 -format "%u" -gmt 1} + # Format : short, week only (system zone) + {clock format 1482525936 -format "%u"} + # Format : short, week only (CEST) + {clock format 1482525936 -format "%u" -timezone :CET} + # Format : date only (in gmt) + {clock format 1482525936 -format "%Y-%m-%d" -gmt 1} + # Format : date only (system zone) + {clock format 1482525936 -format "%Y-%m-%d"} + # Format : date only (CEST) + {clock format 1482525936 -format "%Y-%m-%d" -timezone :CET} + # Format : time only (in gmt) + {clock format 1482525936 -format "%H:%M" -gmt 1} + # Format : time only (system zone) + {clock format 1482525936 -format "%H:%M"} + # Format : time only (CEST) + {clock format 1482525936 -format "%H:%M" -timezone :CET} + # Format : time only (in gmt) + {clock format 1482525936 -format "%H:%M:%S" -gmt 1} + # Format : time only (system zone) + {clock format 1482525936 -format "%H:%M:%S"} + # Format : time only (CEST) + {clock format 1482525936 -format "%H:%M:%S" -timezone :CET} + # Format : default (in gmt) + {clock format 1482525936 -gmt 1 -locale en} + # Format : default (system zone) + {clock format 1482525936 -locale en} + # Format : default (CEST) + {clock format 1482525936 -timezone :CET -locale en} + # Format : ISO date-time (in gmt, numeric zone) + {clock format 1246379400 -format "%Y-%m-%dT%H:%M:%S %z" -gmt 1} + # Format : ISO date-time (system zone, CEST, numeric zone) + {clock format 1246379400 -format "%Y-%m-%dT%H:%M:%S %z"} + # Format : ISO date-time (CEST, numeric zone) + {clock format 1246379400 -format "%Y-%m-%dT%H:%M:%S %z" -timezone :CET} + # Format : ISO date-time (system zone, CEST) + {clock format 1246379400 -format "%Y-%m-%dT%H:%M:%S %Z"} + # Format : julian day with time (in gmt): + {clock format 1246379415 -format "%J %H:%M:%S" -gmt 1} + # Format : julian day with time (system zone): + {clock format 1246379415 -format "%J %H:%M:%S"} + + # Format : locale date-time (en): + {clock format 1246379415 -format "%x %X" -locale en} + # Format : locale date-time (de): + {clock format 1246379415 -format "%x %X" -locale de} + + # Format : locale lookup table month: + {clock format 1246379400 -format "%b" -locale en -gmt 1} + # Format : locale lookup 2 tables - month and day: + {clock format 1246379400 -format "%b %Od" -locale en -gmt 1} + # Format : locale lookup 3 tables - week, month and day: + {clock format 1246379400 -format "%a %b %Od" -locale en -gmt 1} + # Format : locale lookup 4 tables - week, month, day and year: + {clock format 1246379400 -format "%a %b %Od %Oy" -locale en -gmt 1} + + # Format : dynamic clock value (without converter caches): + setup {set i 0} + {clock format [incr i] -format "%Y-%m-%dT%H:%M:%S" -locale en -timezone :CET} + cleanup {puts [clock format $i -format "%Y-%m-%dT%H:%M:%S" -locale en -timezone :CET]} + # Format : dynamic clock value (without any converter caches, zone range overflow): + setup {set i 0} + {clock format [incr i 86400] -format "%Y-%m-%dT%H:%M:%S" -locale en -timezone :CET} + cleanup {puts [clock format $i -format "%Y-%m-%dT%H:%M:%S" -locale en -timezone :CET]} + + # Format : dynamic format (cacheable) + {clock format 1246379415 -format [string trim "%d.%m.%Y %H:%M:%S "] -gmt 1} + + # Format : all (in gmt, locale en) + {clock format 1482525936 -format "%%a = %a | %%A = %A | %%b = %b | %%h = %h | %%B = %B | %%C = %C | %%d = %d | %%e = %e | %%g = %g | %%G = %G | %%H = %H | %%I = %I | %%j = %j | %%J = %J | %%k = %k | %%l = %l | %%m = %m | %%M = %M | %%N = %N | %%p = %p | %%P = %P | %%Q = %Q | %%s = %s | %%S = %S | %%t = %t | %%u = %u | %%U = %U | %%V = %V | %%w = %w | %%W = %W | %%y = %y | %%Y = %Y | %%z = %z | %%Z = %Z | %%n = %n | %%EE = %EE | %%EC = %EC | %%Ey = %Ey | %%n = %n | %%Od = %Od | %%Oe = %Oe | %%OH = %OH | %%Ok = %Ok | %%OI = %OI | %%Ol = %Ol | %%Om = %Om | %%OM = %OM | %%OS = %OS | %%Ou = %Ou | %%Ow = %Ow | %%Oy = %Oy" -gmt 1 -locale en} + # Format : all (in CET, locale de) + {clock format 1482525936 -format "%%a = %a | %%A = %A | %%b = %b | %%h = %h | %%B = %B | %%C = %C | %%d = %d | %%e = %e | %%g = %g | %%G = %G | %%H = %H | %%I = %I | %%j = %j | %%J = %J | %%k = %k | %%l = %l | %%m = %m | %%M = %M | %%N = %N | %%p = %p | %%P = %P | %%Q = %Q | %%s = %s | %%S = %S | %%t = %t | %%u = %u | %%U = %U | %%V = %V | %%w = %w | %%W = %W | %%y = %y | %%Y = %Y | %%z = %z | %%Z = %Z | %%n = %n | %%EE = %EE | %%EC = %EC | %%Ey = %Ey | %%n = %n | %%Od = %Od | %%Oe = %Oe | %%OH = %OH | %%Ok = %Ok | %%OI = %OI | %%Ol = %Ol | %%Om = %Om | %%OM = %OM | %%OS = %OS | %%Ou = %Ou | %%Ow = %Ow | %%Oy = %Oy" -timezone :CET -locale de} + } +} + +proc test-scan {{reptime 1000}} { + _test_run $reptime { + # Scan : date (in gmt) + {clock scan "25.11.2015" -format "%d.%m.%Y" -base 0 -gmt 1} + # Scan : date (system time zone, with base) + {clock scan "25.11.2015" -format "%d.%m.%Y" -base 0} + # Scan : date (system time zone, without base) + {clock scan "25.11.2015" -format "%d.%m.%Y"} + # Scan : greedy match + {clock scan "111" -format "%d%m%y" -base 0 -gmt 1} + {clock scan "1111" -format "%d%m%y" -base 0 -gmt 1} + {clock scan "11111" -format "%d%m%y" -base 0 -gmt 1} + {clock scan "111111" -format "%d%m%y" -base 0 -gmt 1} + # Scan : greedy match (space separated) + {clock scan "1 1 1" -format "%d%m%y" -base 0 -gmt 1} + {clock scan "111 1" -format "%d%m%y" -base 0 -gmt 1} + {clock scan "1 111" -format "%d%m%y" -base 0 -gmt 1} + {clock scan "1 11 1" -format "%d%m%y" -base 0 -gmt 1} + {clock scan "1 11 11" -format "%d%m%y" -base 0 -gmt 1} + {clock scan "11 11 11" -format "%d%m%y" -base 0 -gmt 1} + + # Scan : time (in gmt) + {clock scan "10:35:55" -format "%H:%M:%S" -base 1000000000 -gmt 1} + # Scan : time (system time zone, with base) + {clock scan "10:35:55" -format "%H:%M:%S" -base 1000000000} + # Scan : time (gmt, without base) + {clock scan "10:35:55" -format "%H:%M:%S" -gmt 1} + # Scan : time (system time zone, without base) + {clock scan "10:35:55" -format "%H:%M:%S"} + + # Scan : date-time (in gmt) + {clock scan "25.11.2015 10:35:55" -format "%d.%m.%Y %H:%M:%S" -base 0 -gmt 1} + # Scan : date-time (system time zone with base) + {clock scan "25.11.2015 10:35:55" -format "%d.%m.%Y %H:%M:%S" -base 0} + # Scan : date-time (system time zone without base) + {clock scan "25.11.2015 10:35:55" -format "%d.%m.%Y %H:%M:%S"} + + # Scan : julian day in gmt + {clock scan 2451545 -format %J -gmt 1} + # Scan : julian day in system TZ + {clock scan 2451545 -format %J} + # Scan : julian day in other TZ + {clock scan 2451545 -format %J -timezone +0200} + # Scan : julian day with time: + {clock scan "2451545 10:20:30" -format "%J %H:%M:%S"} + # Scan : julian day with time (greedy match): + {clock scan "2451545 102030" -format "%J%H%M%S"} + + # Scan : century, lookup table month + {clock scan {1970 Jan 2} -format {%C%y %b %d} -locale en -gmt 1} + # Scan : century, lookup table month and day (both entries are first) + {clock scan {1970 Jan 01} -format {%C%y %b %Od} -locale en -gmt 1} + # Scan : century, lookup table month and day (list scan: entries with position 12 / 31) + {clock scan {2016 Dec 31} -format {%C%y %b %Od} -locale en -gmt 1} + + # Scan : ISO date-time (CEST) + {clock scan "2009-06-30T18:30:00+02:00" -format "%Y-%m-%dT%H:%M:%S%z"} + {clock scan "2009-06-30T18:30:00 CEST" -format "%Y-%m-%dT%H:%M:%S %z"} + # Scan : ISO date-time (UTC) + {clock scan "2009-06-30T18:30:00Z" -format "%Y-%m-%dT%H:%M:%S%z"} + {clock scan "2009-06-30T18:30:00 UTC" -format "%Y-%m-%dT%H:%M:%S %z"} + + # Scan : locale date-time (en): + {clock scan "06/30/2009 18:30:15" -format "%x %X" -gmt 1 -locale en} + # Scan : locale date-time (de): + {clock scan "30.06.2009 18:30:15" -format "%x %X" -gmt 1 -locale de} + + # Scan : dynamic format (cacheable) + {clock scan "25.11.2015 10:35:55" -format [string trim "%d.%m.%Y %H:%M:%S "] -base 0 -gmt 1} + + break + # # Scan : long format test (allock chain) + # {clock scan "25.11.2015" -format "%d.%m.%Y %d.%m.%Y %d.%m.%Y %d.%m.%Y %d.%m.%Y %d.%m.%Y %d.%m.%Y %d.%m.%Y" -base 0 -gmt 1} + # # Scan : dynamic, very long format test (create obj representation, allock chain, GC, etc): + # {clock scan "25.11.2015" -format [string repeat "[incr i] %d.%m.%Y %d.%m.%Y" 10] -base 0 -gmt 1} + # # Scan : again: + # {clock scan "25.11.2015" -format [string repeat "[incr i -1] %d.%m.%Y %d.%m.%Y" 10] -base 0 -gmt 1} + } {puts [clock format $_(r) -locale en]} +} + +proc test-freescan {{reptime 1000}} { + _test_run $reptime { + # FreeScan : relative date + {clock scan "5 years 18 months 385 days" -base 0 -gmt 1} + # FreeScan : relative date with relative weekday + {clock scan "5 years 18 months 385 days Fri" -base 0 -gmt 1} + # FreeScan : relative date with ordinal month + {clock scan "5 years 18 months 385 days next 1 January" -base 0 -gmt 1} + # FreeScan : relative date with ordinal month and relative weekday + {clock scan "5 years 18 months 385 days next January Fri" -base 0 -gmt 1} + # FreeScan : ordinal month + {clock scan "next January" -base 0 -gmt 1} + # FreeScan : relative week + {clock scan "next Fri" -base 0 -gmt 1} + # FreeScan : relative weekday and week offset + {clock scan "next January + 2 week" -base 0 -gmt 1} + # FreeScan : time only with base + {clock scan "19:18:30" -base 148863600 -gmt 1} + # FreeScan : time only without base, gmt + {clock scan "19:18:30" -gmt 1} + # FreeScan : time only without base, system + {clock scan "19:18:30"} + # FreeScan : date, system time zone + {clock scan "05/08/2016 20:18:30"} + # FreeScan : date, supplied time zone + {clock scan "05/08/2016 20:18:30" -timezone :CET} + # FreeScan : date, supplied gmt (equivalent -timezone :GMT) + {clock scan "05/08/2016 20:18:30" -gmt 1} + # FreeScan : date, supplied time zone gmt + {clock scan "05/08/2016 20:18:30" -timezone :GMT} + # FreeScan : time only, numeric zone in string, base time gmt (exchange zones between gmt / -0500) + {clock scan "20:18:30 -0500" -base 148863600 -gmt 1} + # FreeScan : time only, zone in string (exchange zones between system / gmt) + {clock scan "19:18:30 GMT" -base 148863600} + # FreeScan : fast switch of zones in cycle - GMT, MST, CET (system) and EST + {clock scan "19:18:30 MST" -base 148863600 -gmt 1 + clock scan "19:18:30 EST" -base 148863600 + } + } {puts [clock format $_(r) -locale en]} +} + +proc test-other {{reptime 1000}} { + _test_run $reptime { + # Bad zone + {catch {clock scan "1 day" -timezone BAD_ZONE -locale en}} + + # Scan : julian day (overflow) + {catch {clock scan 5373485 -format %J}} + + # Scan : test rotate of GC objects (format is dynamic, so tcl-obj removed with last reference) + {set i 0; time { clock scan "[incr i] - 25.11.2015" -format "$i - %d.%m.%Y" -base 0 -gmt 1 } 50} + # Scan : test reusability of GC objects (format is dynamic, so tcl-obj removed with last reference) + {set i 50; time { clock scan "[incr i -1] - 25.11.2015" -format "$i - %d.%m.%Y" -base 0 -gmt 1 } 50} + } +} + +proc test {{reptime 1000}} { + puts "" + test-format $reptime + test-scan $reptime + test-freescan $reptime + test-other $reptime + + puts \n**OK** +} + +test 500; # ms