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dataStrs.c
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dataStrs.c
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/*
* This file is part of the PikaPython project.
* http://github.com/pikastech/pikapython
*
* MIT License
*
* Copyright (c) 2021 lyon liang6516@outlook.com
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include "dataStrs.h"
#include "PikaPlatform.h"
#include "dataString.h"
Args* New_strBuff(void) {
return New_args(NULL);
}
char* strsRemovePrefix(Args* buffs_p, char* inputStr, char* prefix) {
int32_t size = strGetSize(inputStr);
char* buff = args_getBuff(buffs_p, size);
return strRemovePrefix(inputStr, prefix, buff);
}
char* strsGetDirectStr(Args* buffs_p, char* argPath) {
char* directStr = NULL;
directStr = strsCut(buffs_p, argPath, '"', '"');
if (NULL != directStr) {
return directStr;
}
directStr = strsCut(buffs_p, argPath, '\'', '\'');
if (NULL != directStr) {
return directStr;
}
return NULL;
}
char* strsAppend(Args* buffs_p, char* strOrigin, char* strToAppend) {
pika_assert(NULL != strToAppend);
pika_assert(NULL != strOrigin);
int32_t size = strGetSize(strOrigin) + strGetSize(strToAppend);
char* buff = args_getBuff(buffs_p, size);
char* strOut = strCopy(buff, strOrigin);
strAppend(strOut, strToAppend);
return strOut;
}
char* strsReturnOut(Args* buffs, Args* outbuffs, char* str) {
char* line_out = strsCopy(outbuffs, str);
strsDeinit(buffs);
return line_out;
}
char* strsGetLastToken(Args* buffs_p, char* argPath, char sign) {
int32_t size = strGetSize(argPath);
char* buff = args_getBuff(buffs_p, size);
return strGetLastToken(buff, argPath, sign);
}
char* strsCut(Args* buffs_p, char* strIn, char startSign, char endSign) {
int32_t size = strGetSize(strIn);
char* buff = args_getBuff(buffs_p, size);
return strCut(buff, strIn, startSign, endSign);
}
char* strsDeleteChar(Args* buffs_p, char* strIn, char ch) {
int32_t size = strGetSize(strIn);
return strDeleteChar(args_getBuff(buffs_p, size), strIn, ch);
}
static uint32_t getSizeOfFirstToken(char* str, char sign) {
uint32_t size = strGetSize(str);
for (uint32_t i = 0; i < size; i++) {
if (str[i] == sign) {
return i;
}
}
return size;
}
char* strsGetFirstToken(Args* buffs_p, char* strIn, char sign) {
int32_t size = getSizeOfFirstToken(strIn, sign);
return strGetFirstToken(args_getBuff(buffs_p, size), strIn, sign);
}
char* strsPopToken(Args* buffs_p, char** tokens, char sign) {
return strsCopy(buffs_p, strPopFirstToken(tokens, sign));
}
char* strsPopLine(Args* buffs_p, char** tokens) {
return strsCopy(buffs_p, strPopFirstToken(tokens, '\n'));
}
char* strsCopy(Args* buffs_p, char* source) {
pika_assert(source != NULL);
int32_t size = strGetSize(source);
char* buff = args_getBuff(buffs_p, size);
return strCopy(buff, source);
}
char* strsCacheArg(Args* buffs_p, Arg* arg) {
pika_assert(arg != NULL);
char* res = strsCopy(buffs_p, arg_getStr(arg));
arg_deinit(arg);
return res;
}
char* strsFormat(Args* buffs_p, uint16_t buffSize, const char* fmt, ...) {
va_list args;
va_start(args, fmt);
char* res = args_getBuff(buffs_p, buffSize);
pika_platform_vsnprintf(res, buffSize, fmt, args);
va_end(args);
return res;
}
Arg* arg_strAppend(Arg* arg_in, char* str_to_append) {
pika_assert(NULL != str_to_append);
Args buffs = {0};
char* str_out = strsAppend(&buffs, arg_getStr(arg_in), str_to_append);
Arg* arg_out = arg_newStr(str_out);
arg_deinit(arg_in);
strsDeinit(&buffs);
return arg_out;
}
char* strsReplace(Args* buffs_p, char* orig, char* rep, char* with) {
char* result; // the return string
char* ins; // the next insert point
char* tmp; // varies
int len_rep; // length of rep (the string to remove)
int len_with; // length of with (the string to replace rep with)
int len_front; // distance between rep and end of last rep
int count; // number of replacements
pika_assert(NULL != orig);
pika_assert(NULL != rep);
/* no need replace, skip */
if (NULL == strstr(orig, rep)) {
return orig;
}
// sanity checks and initialization
if (!orig || !rep)
return NULL;
len_rep = strlen(rep);
if (len_rep == 0)
return NULL; // empty rep causes infinite loop during count
if (!with)
with = "";
len_with = strlen(with);
// count the number of replacements needed
ins = orig;
tmp = strstr(ins, rep);
count = 0;
while (tmp) {
count++;
ins = tmp + len_rep;
tmp = strstr(ins, rep);
}
tmp =
args_getBuff(buffs_p, strlen(orig) + (len_with - len_rep) * count + 1);
result = tmp;
if (NULL == result) {
return NULL;
}
// first time through the loop, all the variable are set correctly
// from here on,
// tmp points to the end of the result string
// ins points to the next occurrence of rep in orig
// orig points to the remainder of orig after "end of rep"
while (count--) {
ins = strstr(orig, rep);
len_front = ins - orig;
tmp = strncpy(tmp, orig, len_front) + len_front;
tmp = strcpy(tmp, with) + len_with;
orig += len_front + len_rep; // move to next "end of rep"
}
strcpy(tmp, orig);
return result;
}
char* strsGetLine(Args* buffs_p, char* code) {
int32_t lineSize = strGetLineSize(code);
char* line_buff = args_getBuff(buffs_p, lineSize + 1);
return strGetLine(line_buff, code);
}
void strsDeinit(Args* buffs_p) {
link_deinit_stack(buffs_p);
}
char* strsPathFormat(Args* buffs_p, char* input) {
int32_t size = strGetSize(input);
char* buff = args_getBuff(buffs_p, size);
strPathFormat(input, buff);
return buff;
}
char* strsPathJoin(Args* buffs_p, char* input1, char* input2) {
int32_t size = strGetSize(input1) + strGetSize(input2) + 1;
char* buff = args_getBuff(buffs_p, size);
strPathJoin(input1, input2, buff);
return buff;
}
char* strsPathGetFolder(Args* buffs_p, char* input) {
int32_t size = strGetSize(input);
char* buff = args_getBuff(buffs_p, size);
strPathGetFolder(input, buff);
return buff;
}
char* strsPathGetFileName(Args* buffs_p, char* input) {
int32_t size = strGetSize(input);
char* buff = args_getBuff(buffs_p, size);
strPathGetFileName(input, buff);
return buff;
}
char* strsTransfer(Args* buffs, char* str, size_t* iout_p) {
char* transfered_str = args_getBuff(buffs, strGetSize(str));
size_t i_out = 0;
size_t len = strGetSize(str);
for (size_t i = 0; i < len; i++) {
/* eg. replace '\x33' to '3' */
if ((str[i] == '\\') && (str[i + 1] == 'x')) {
char hex_str[] = "0x00";
hex_str[2] = str[i + 2];
hex_str[3] = str[i + 3];
char hex = (char)strtoll(hex_str, NULL, 0);
transfered_str[i_out++] = hex;
i += 3;
continue;
}
if (str[i] == '\\') {
switch (str[i + 1]) {
case 'r':
transfered_str[i_out++] = '\r';
break;
case 'n':
transfered_str[i_out++] = '\n';
break;
case 't':
transfered_str[i_out++] = '\t';
break;
case 'b':
transfered_str[i_out++] = '\b';
break;
case '\\':
transfered_str[i_out++] = '\\';
break;
case '\'':
transfered_str[i_out++] = '\'';
break;
case '\"':
transfered_str[i_out++] = '\"';
break;
case '?':
transfered_str[i_out++] = '\?';
break;
default:
transfered_str[i_out++] = str[i];
break;
}
i += 1;
continue;
}
/* normal char */
transfered_str[i_out++] = str[i];
}
*iout_p = i_out;
return transfered_str;
}
char* strsFilePreProcess_ex(Args* outbuffs, char* lines, char* endwith) {
Args buffs = {0};
/* replace the "\r\n" to "\n" */
lines = strsReplace(&buffs, lines, "\r\n", "\n");
/* clear the void line */
lines = strsReplace(&buffs, lines, "\n\n", "\n");
/* add '\n' at the end */
lines = strsAppend(&buffs, lines, endwith);
char* result = strsCopy(outbuffs, lines);
strsDeinit(&buffs);
return result;
}
char* strsFilePreProcess(Args* outbuffs, char* lines) {
return strsFilePreProcess_ex(outbuffs, lines, "\n\n");
}
char* strsSubStr(Args* buffs_p, char* name_start, char* name_end) {
int32_t size = name_end - name_start;
char* buff = args_getBuff(buffs_p, size + 1);
for (int32_t i = 0; i < size; i++) {
buff[i] = name_start[i];
}
buff[size] = '\0';
return buff;
}
char* strsRepeat(Args* buffs, char* str, int num) {
int32_t size = strGetSize(str) * num;
char* buff = args_getBuff(buffs, size + 1);
for (int32_t i = 0; i < num; i++) {
for (int32_t j = 0; j < strGetSize(str); j++) {
buff[i * strGetSize(str) + j] = str[j];
}
}
buff[size] = '\0';
return buff;
}
static void _add_indentation(const char* input, int spaces, char* output) {
if (input == NULL || output == NULL || spaces < 0) {
return;
}
const char* current = input;
int output_index = 0;
// Iterate over the input string
while (*current) {
// Add spaces at the beginning of each new line
if (current == input || *(current - 1) == '\n') {
for (int i = 0; i < spaces; ++i) {
output[output_index++] = ' ';
}
}
// Copy the current character
output[output_index++] = *current++;
}
// Add the null terminator to the string
output[output_index] = '\0';
}
char* strsAddIndentation(Args* buffs, char* str, int spaces) {
int lines = 1;
for (const char* current = str; *current; current++) {
if (*current == '\n') {
lines++;
}
}
int output_length = strGetSize(str) + spaces * lines;
char* buff = args_getBuff(buffs, output_length + 1);
_add_indentation(str, spaces, buff);
return buff;
}