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protobuf.c
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protobuf.c
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#include <php.h>
#include <ext/standard/php_string.h>
#include <Zend/zend_exceptions.h>
#include "php_protobuf.h"
#include "protobuf.h"
#include "reader.h"
#include "writer.h"
#define PB_COMPILE_ERROR(message, ...) PB_COMPILE_ERROR_EX(getThis(), message, __VA_ARGS__)
#define PB_COMPILE_ERROR_EX(this, message, ...) \
zend_throw_exception_ex(NULL, 0 TSRMLS_CC, "%s: compile error - " #message, ZSTR_VAL(Z_OBJCE_P(this)->name), __VA_ARGS__)
#define PB_CONSTANT(name) \
zend_declare_class_constant_long(pb_entry, #name, sizeof(#name) - 1, name TSRMLS_CC)
#define PB_PARSE_ERROR(message, ...) \
PB_PARSE_ERROR_EX(getThis(), message, __VA_ARGS__)
#define PB_PARSE_ERROR_EX(this, message, ...) \
zend_throw_exception_ex(NULL, 0 TSRMLS_CC, "%s: parse error - " #message, ZSTR_VAL(Z_OBJCE_P(this)->name), __VA_ARGS__)
#define IS_BOOL(zval) ((Z_TYPE(zval) == IS_FALSE) || (Z_TYPE(zval) == IS_TRUE))
#define PB_RESET_METHOD "reset"
#define PB_DUMP_METHOD "dump"
#define PB_FIELDS_METHOD "fields"
#define PB_PARSE_FROM_STRING_METHOD "parseFromString"
#define PB_SERIALIZE_TO_STRING_METHOD "serializeToString"
#define PB_PRINT_DEBUG_STRING_METHOD "printDebugString"
#define PB_FIELD_NAME "name"
#define PB_FIELD_PACKED "packed"
#define PB_FIELD_REQUIRED "required"
#define PB_FIELD_TYPE "type"
#define PB_VALUES_PROPERTY "values"
#define RETURN_THIS() RETURN_ZVAL(getThis(), 1, 0);
// when opcache is enabled initial array could be stored in
// shared memory as an immutable one, in this case it should be separated
#define ARRAY_ADD_NEXT_INDEX(array, zval_p) \
if (Z_IMMUTABLE_P(array) || Z_REFCOUNTED_P(array)) SEPARATE_ARRAY(array); \
add_next_index_zval((array), (zval_p))
#define IS_32_BIT (sizeof(zend_long) < sizeof(int64_t))
#define ZVAL_INT64(zval, value) \
if ((value) > ZEND_LONG_MAX || (value) < ZEND_LONG_MIN) { \
ZVAL_DOUBLE(zval, (double)(value)); \
} else { \
ZVAL_LONG(zval, (zend_long)(value)); \
}
#define Z_LVAL_INT64(zval, int64_out_p) \
if (Z_TYPE_P(zval) == IS_DOUBLE) { \
*int64_out_p = (int64_t)Z_DVAL_P(zval); \
} else { \
*int64_out_p = (int64_t)Z_LVAL_P(zval); \
}
enum
{
PB_TYPE_DOUBLE = 1,
PB_TYPE_FIXED32,
PB_TYPE_FIXED64,
PB_TYPE_FLOAT,
PB_TYPE_INT,
PB_TYPE_SIGNED_INT,
PB_TYPE_STRING,
PB_TYPE_BOOL
};
zend_class_entry *pb_entry;
static int pb_assign_value(zval *this, zval *dst, zval *src, zend_ulong field_number);
static int pb_print_field_value(zval *value, zend_long level, zend_bool only_set);
static int pb_dump_field_value(zval *value, zend_long level, zend_bool only_set);
static int pb_print_debug_field_value(zval *value, zend_long level);
static zval *pb_get_field_type(zval *this, zval *field_descriptors, zend_ulong field_number);
static zval *pb_get_field_descriptor(zval *this, zval *field_descriptors, zend_ulong field_number);
static int pb_get_field_descriptors(zval *this, zval* return_value);
static const char *pb_get_field_name(zval *this, zend_ulong field_number);
static int pb_get_wire_type(int field_type);
static const char *pb_get_wire_type_name(int wire_type);
static zval *pb_get_value(zval *this, zval *values, zend_ulong field_number);
static zval *pb_get_values(zval *this);
static int pb_parse_field_value(zval *this, reader_t *reader, zend_ulong field_number, zend_long field_type, zval *value);
static int pb_serialize_field_value(zval *this, writer_t *writer, zend_ulong field_number, zval *type, zval *value);
static int pb_serialize_packed_field(zval *this, writer_t *writer, zend_ulong field_number, zend_long field_type, zval *values);
static int pb_is_field_packed(zval *field_descriptor);
PHP_METHOD(ProtobufMessage, __construct)
{
zval values;
array_init(&values);
add_property_zval(getThis(), PB_VALUES_PROPERTY, &values);
zval_ptr_dtor(&values);
}
PHP_METHOD(ProtobufMessage, append)
{
zend_long field_number;
zval *array, *value, *values, val;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "lz", &field_number, &value) == FAILURE) {
RETURN_THIS();
}
if (Z_TYPE_P(value) == IS_NULL)
RETURN_THIS();
if ((values = pb_get_values(getThis())) == NULL)
RETURN_THIS();
if ((array = pb_get_value(getThis(), values, (zend_ulong)field_number)) == NULL)
RETURN_THIS();
if (pb_assign_value(getThis(), &val, value, (zend_ulong)field_number) != 0) {
RETURN_THIS();
}
ARRAY_ADD_NEXT_INDEX(array, &val);
RETURN_THIS();
}
PHP_METHOD(ProtobufMessage, clear)
{
zend_long field_number;
zval *array, *values;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &field_number) == FAILURE) {
return;
}
if ((values = pb_get_values(getThis())) == NULL)
RETURN_THIS();
if ((array = pb_get_value(getThis(), values, (zend_ulong)field_number)) == NULL)
RETURN_THIS();
if (Z_TYPE_P(array) != IS_ARRAY) {
PB_COMPILE_ERROR("'%s' field internal type should be an array", pb_get_field_name(getThis(), (zend_ulong)field_number));
RETURN_THIS();
}
zend_hash_clean(Z_ARRVAL_P(array));
RETURN_THIS();
}
PHP_METHOD(ProtobufMessage, printDebugString)
{
int indent;
char indent_char;
zend_long level = 0;
const char *field_name;
zend_ulong field_number, index;
HashPosition i, j;
zval *field_descriptor, field_descriptors, *val, *value, *values;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|l", &level) == FAILURE || level < 0) {
return;
}
indent = ((int)level) * 2;
indent_char = indent ? ' ': '\0';
if ((values = pb_get_values(getThis())) == NULL)
return;
if (pb_get_field_descriptors(getThis(), &field_descriptors))
return;
int is_loop_finished = 0;
PB_FOREACH(&i, Z_ARRVAL_P(values)) {
if (is_loop_finished)
break;
zend_hash_get_current_key_ex(Z_ARRVAL_P(values), NULL, &field_number, &i);
value = zend_hash_get_current_data_ex(Z_ARRVAL_P(values), &i);
if ((field_descriptor = pb_get_field_descriptor(getThis(), &field_descriptors, field_number)) == NULL)
break;
if ((field_name = pb_get_field_name(getThis(), field_number)) == NULL)
break;
if (Z_TYPE_P(value) == IS_ARRAY) {
if (zend_hash_num_elements(Z_ARRVAL_P(value)) == 0)
continue;
zval *field_type;
if ((field_type = pb_get_field_type(getThis(), field_descriptor, field_number)) == NULL)
break;
int wire = pb_get_wire_type(Z_LVAL_P(field_type));
PB_FOREACH(&j, Z_ARRVAL_P(value)) {
zend_hash_get_current_key_ex(Z_ARRVAL_P(value), NULL, &index, &j);
val = zend_hash_get_current_data_ex(Z_ARRVAL_P(value), &j);
if (Z_TYPE_P(value) == IS_NULL) // make sure it's not Z_TYPE_P(val)
continue;
if ((wire == WIRE_TYPE_LENGTH_DELIMITED && Z_TYPE_P(val) != IS_STRING) || wire == -1) {
php_printf("%*c%s {", indent, indent_char, field_name);
if (pb_print_debug_field_value(val, level + 1) != 0) {
is_loop_finished = 1;
break;
}
php_printf("%*c}\n", indent, indent_char);
} else {
php_printf("%*c%s:", indent, indent_char, field_name);
if (pb_print_debug_field_value(val, level + 1) != 0) {
is_loop_finished = 1;
break;
}
}
}
} else if (Z_TYPE_P(value) == IS_OBJECT) {
php_printf("%*c%s {", indent, indent_char, field_name);
if (pb_print_debug_field_value(value, level + 1) != 0)
break;
php_printf("%*c}\n", indent, indent_char);
} else if (Z_TYPE_P(value) != IS_NULL) {
php_printf("%*c%s:", indent, indent_char, field_name);
if (pb_print_debug_field_value(value, level + 1) != 0)
break;
}
}
zval_ptr_dtor(&field_descriptors);
}
PHP_METHOD(ProtobufMessage, dump)
{
zend_bool only_set = 1;
zend_long level = 0;
const char *field_name;
zend_ulong field_number, index;
HashPosition i, j;
zval *field_descriptor, field_descriptors, *val, *value, *values;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|bl", &only_set, &level) == FAILURE || level < 0) {
return;
}
if (pb_get_field_descriptors(getThis(), &field_descriptors))
return;
if ((values = pb_get_values(getThis())) == NULL)
goto fail0;
if (level > 0)
php_printf("%*c%s {\n", 2 * (int) level, ' ', ZSTR_VAL(Z_OBJCE_P(getThis())->name));
else
php_printf("%s {\n", ZSTR_VAL(Z_OBJCE_P(getThis())->name));
PB_FOREACH(&i, Z_ARRVAL_P(values)) {
zend_hash_get_current_key_ex(Z_ARRVAL_P(values), NULL, &field_number, &i);
value = zend_hash_get_current_data_ex(Z_ARRVAL_P(values), &i);
if ((field_descriptor = pb_get_field_descriptor(getThis(), &field_descriptors, field_number)) == NULL)
goto fail0;
if ((field_name = pb_get_field_name(getThis(), field_number)) == NULL)
goto fail0;
if (Z_TYPE_P(value) == IS_ARRAY) {
if (zend_hash_num_elements(Z_ARRVAL_P(value)) > 0 || !only_set) {
php_printf("%*c%lu: %s(%u) => \n", ((int) level + 1) * 2, ' ', (uint64_t)field_number, field_name, zend_hash_num_elements(Z_ARRVAL_P(value)));
if (zend_hash_num_elements(Z_ARRVAL_P(value)) > 0) {
PB_FOREACH(&j, Z_ARRVAL_P(value)) {
zend_hash_get_current_key_ex(Z_ARRVAL_P(value), NULL, &index, &j);
val = zend_hash_get_current_data_ex(Z_ARRVAL_P(value), &j);
php_printf("%*c[%lu] =>", ((int) level + 2) * 2, ' ', (uint64_t)index);
if (pb_dump_field_value(val, level + 3, only_set) != 0)
goto fail0;
}
} else
php_printf("%*cempty\n", ((int) level + 2) * 2, ' ');
}
} else if (Z_TYPE_P(value) != IS_NULL || !only_set) {
php_printf("%*c%lu: %s =>", 2 * ((int) level + 1), ' ', (uint64_t)field_number, field_name);
if (pb_dump_field_value(value, level + 1, only_set) != 0)
goto fail0;
}
}
if (level > 0)
php_printf("%*c}\n", 2 * (int) level, ' ');
else
php_printf("}\n");
fail0:
zval_ptr_dtor(&field_descriptors);
}
PHP_METHOD(ProtobufMessage, count)
{
zend_long field_number;
zval *value, *values;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &field_number) == FAILURE) {
return;
}
if ((values = pb_get_values(getThis())) == NULL)
return;
if ((value = pb_get_value(getThis(), values, (zend_ulong)field_number)) == NULL)
return;
if (Z_TYPE_P(value) == IS_ARRAY) {
RETURN_LONG(zend_hash_num_elements(Z_ARRVAL_P(value)));
} else {
PB_COMPILE_ERROR("'%s' field internal type should be an array", pb_get_field_name(getThis(), (zend_ulong)field_number));
return;
}
}
PHP_METHOD(ProtobufMessage, get)
{
zend_long field_number, index = -1;
zval *val, *value, *values;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l|l", &field_number, &index) == FAILURE) {
return;
}
if ((values = pb_get_values(getThis())) == NULL)
return;
if ((value = pb_get_value(getThis(), values, (zend_ulong)field_number)) == NULL)
return;
if (index != -1) {
if (Z_TYPE_P(value) != IS_ARRAY) {
PB_COMPILE_ERROR("'%s' field internal type should be an array", pb_get_field_name(getThis(), (zend_ulong)field_number));
return;
}
val = zend_hash_index_find(Z_ARRVAL_P(value), index);
if (val == NULL)
return;
value = val;
}
RETURN_ZVAL(value, 1, 0);
}
PHP_METHOD(ProtobufMessage, parseFromString)
{
char *pack, *str, *subpack;
zend_class_entry *sub_ce;
reader_t reader, packed_reader;
uint8_t wire_type;
zend_ulong field_number;
uint64_t next_field_number;
int32_t int32_value;
int64_t int64_value;
int expected_wire_type, str_size, subpack_size, ret, field_repeated;
size_t pack_size;
zval arg, *args, *field_descriptor, *field_type, field_descriptors, name, *old_value, value, *values, zret;
int bool_value;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &pack, &pack_size) == FAILURE)
return;
ZVAL_STRINGL(&name, PB_RESET_METHOD, sizeof(PB_RESET_METHOD) - 1);
if (call_user_function(NULL, getThis(), &name, &zret, 0, NULL TSRMLS_CC) == FAILURE) {
zval_ptr_dtor(&name);
return;
}
zval_ptr_dtor(&name);
zval_ptr_dtor(&zret);
if (pb_get_field_descriptors(getThis(), &field_descriptors))
return;
values = pb_get_values(getThis());
reader_init(&reader, pack, pack_size);
while (reader_has_more(&reader)) {
if (reader_read_tag(&reader, &next_field_number, &wire_type) != 0)
break;
field_number = (zend_ulong)next_field_number;
if ((field_descriptor = zend_hash_index_find(Z_ARRVAL(field_descriptors), field_number)) == NULL) {
switch (wire_type)
{
case WIRE_TYPE_VARINT:
ret = reader_skip_varint(&reader);
break;
case WIRE_TYPE_64BIT:
ret = reader_skip_64bit(&reader);
break;
case WIRE_TYPE_LENGTH_DELIMITED:
ret = reader_skip_length_delimited(&reader);
break;
case WIRE_TYPE_32BIT:
ret = reader_skip_32bit(&reader);
break;
default:
PB_PARSE_ERROR("unexpected wire type %ld for unexpected %lu field", wire_type, (uint64_t)field_number);
goto fail0;
}
if (ret != 0) {
PB_PARSE_ERROR("parse unexpected %lu field of wire type %s fail", (uint64_t)field_number, pb_get_wire_type_name(wire_type));
goto fail0;
}
continue;
}
if ((field_type = pb_get_field_type(getThis(), field_descriptor, field_number)) == NULL)
goto fail0;
if ((old_value = pb_get_value(getThis(), values, field_number)) == NULL)
goto fail0;
ZVAL_NULL(&value);
field_repeated = (Z_TYPE_P(old_value) == IS_ARRAY);
if (Z_TYPE_P(field_type) == IS_STRING) {
if (wire_type != WIRE_TYPE_LENGTH_DELIMITED) {
PB_PARSE_ERROR("'%s' field wire type is %s but should be %s", pb_get_field_name(getThis(), field_number), pb_get_wire_type_name(wire_type), pb_get_wire_type_name(WIRE_TYPE_LENGTH_DELIMITED));
goto fail0;
}
if ((sub_ce = zend_lookup_class_ex(Z_STR_P(field_type), NULL, 1)) == NULL) {
PB_COMPILE_ERROR("class %s for '%s' does not exist", Z_STRVAL_P(field_type), pb_get_field_name(getThis(), field_number));
goto fail0;
}
if ((ret = reader_read_string(&reader, &subpack, &subpack_size)) == 0) {
object_init_ex(&value, sub_ce);
ZVAL_STRINGL(&name, ZEND_CONSTRUCTOR_FUNC_NAME, sizeof(ZEND_CONSTRUCTOR_FUNC_NAME) - 1);
if (call_user_function(NULL, &value, &name, &zret, 0, NULL TSRMLS_CC) == FAILURE) {
zval_ptr_dtor(&name);
goto fail0;
}
zval_ptr_dtor(&name);
zval_ptr_dtor(&zret);
ZVAL_STRINGL(&name, PB_PARSE_FROM_STRING_METHOD, sizeof(PB_PARSE_FROM_STRING_METHOD) - 1);
ZVAL_STRINGL(&arg, subpack, subpack_size);
args = &arg;
if (call_user_function(NULL, &value, &name, &zret, 1, args TSRMLS_CC) == FAILURE) {
zval_ptr_dtor(&name);
goto fail0;
}
zval_ptr_dtor(&arg);
zval_ptr_dtor(&name);
bool_value = (Z_TYPE(zret) != IS_TRUE) && (Z_TYPE(zret) != IS_FALSE);
zval_ptr_dtor(&zret);
if (bool_value) {
goto fail0;
}
}
} else if (Z_TYPE_P(field_type) == IS_LONG) {
expected_wire_type = pb_get_wire_type(Z_LVAL_P(field_type));
if (field_repeated && wire_type == WIRE_TYPE_LENGTH_DELIMITED && expected_wire_type != WIRE_TYPE_LENGTH_DELIMITED) {
if (reader_read_string(&reader, &str, &str_size) != 0) {
PB_PARSE_ERROR("parse '%s' field fail", pb_get_field_name(getThis(), field_number));
goto fail0;
}
reader_init(&packed_reader, str, str_size);
while (reader_has_more(&packed_reader)) {
if (pb_parse_field_value(getThis(), &packed_reader, field_number, Z_LVAL_P(field_type), &value) != 0) {
return;
}
if (Z_REFCOUNTED(value))
Z_ADDREF(value);
ARRAY_ADD_NEXT_INDEX(old_value, &value);
zval_ptr_dtor(&value);
}
continue;
} else {
if (expected_wire_type != wire_type) {
PB_PARSE_ERROR("'%s' field wire type is %s but should be %s", pb_get_field_name(getThis(), field_number), pb_get_wire_type_name(wire_type), pb_get_wire_type_name(expected_wire_type));
goto fail0;
}
if (pb_parse_field_value(getThis(), &reader, field_number, Z_LVAL_P(field_type), &value) != 0) {
goto fail0;
}
}
} else {
PB_COMPILE_ERROR("unexpected %s type of '%s' field type in field descriptor", zend_get_type_by_const(Z_TYPE_P(field_type)), pb_get_field_name(getThis(), field_number));
return;
}
if (field_repeated) {
if (Z_REFCOUNTED(value))
Z_ADDREF(value);
ARRAY_ADD_NEXT_INDEX(old_value, &value);
} else {
zval_ptr_dtor(old_value);
ZVAL_COPY(old_value, &value);
}
zval_ptr_dtor(&value);
}
zval_ptr_dtor(&field_descriptors);
RETURN_TRUE;
fail0:
zval_ptr_dtor(&field_descriptors);
return;
}
PHP_METHOD(ProtobufMessage, serializeToString)
{
writer_t writer;
char *pack;
size_t pack_size;
zend_ulong field_number;
HashPosition i, j;
zval *array, *field_descriptor, field_descriptors, *required, *type, *value, *values;
if ((values = pb_get_values(getThis())) == NULL)
return;
if (pb_get_field_descriptors(getThis(), &field_descriptors))
return;
writer_init(&writer);
PB_FOREACH(&i, Z_ARRVAL(field_descriptors)) {
zend_hash_get_current_key_ex(Z_ARRVAL(field_descriptors), NULL, &field_number, &i);
field_descriptor = zend_hash_get_current_data_ex(Z_ARRVAL(field_descriptors), &i);
if (Z_TYPE_P(field_descriptor) != IS_ARRAY) {
zend_throw_exception_ex(NULL, 0 TSRMLS_CC, "%s: '%s' field descriptor must be an array", ZSTR_VAL(Z_OBJCE_P(getThis())->name), pb_get_field_name(getThis(), field_number));
goto fail;
}
if ((value = zend_hash_index_find(Z_ARRVAL_P(values), field_number)) == NULL) {
PB_COMPILE_ERROR("missing '%s' field value", pb_get_field_name(getThis(), field_number));
goto fail;
}
if ((type = pb_get_field_type(getThis(), field_descriptor, field_number)) == NULL)
goto fail;
if (Z_TYPE_P(value) == IS_NULL) {
if ((required = zend_hash_str_find(Z_ARRVAL_P(field_descriptor), PB_FIELD_REQUIRED, sizeof(PB_FIELD_REQUIRED) - 1)) == NULL) {
zend_throw_exception_ex(NULL, 0 TSRMLS_CC, "%s: '%s' field is required and must be set", ZSTR_VAL(Z_OBJCE_P(getThis())->name), pb_get_field_name(getThis(), field_number));
}
if (Z_TYPE_P(required) == IS_TRUE) {
zend_throw_exception_ex(NULL, 0 TSRMLS_CC, "%s: '%s' field is required and must be set", ZSTR_VAL(Z_OBJCE_P(getThis())->name), pb_get_field_name(getThis(), field_number));
goto fail;
}
continue;
}
if (Z_TYPE_P(value) == IS_ARRAY) {
array = value;
if (pb_is_field_packed(field_descriptor)) {
if (pb_serialize_packed_field(getThis(), &writer, field_number, Z_LVAL_P(type), array) != 0)
goto fail;
} else {
PB_FOREACH(&j, Z_ARRVAL_P(array)) {
value = zend_hash_get_current_data_ex(Z_ARRVAL_P(array), &j);
if (pb_serialize_field_value(getThis(), &writer, field_number, type, value) != 0)
goto fail;
}
}
} else if (pb_serialize_field_value(getThis(), &writer, field_number, type, value) != 0)
goto fail;
}
pack = writer_get_pack(&writer, &pack_size);
RETVAL_STRINGL(pack, pack_size);
zval_ptr_dtor(&field_descriptors);
writer_free_pack(&writer);
return;
fail:
zval_ptr_dtor(&field_descriptors);
writer_free_pack(&writer);
return;
}
PHP_METHOD(ProtobufMessage, set)
{
zend_long field_number = -1;
zval *old_value, *value, *values;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "lz", &field_number, &value) == FAILURE) {
RETURN_THIS();
}
if ((values = pb_get_values(getThis())) == NULL)
RETURN_THIS();
if ((old_value = pb_get_value(getThis(), values, (zend_ulong)field_number)) == NULL)
RETURN_THIS();
if (Z_TYPE_P(value) == IS_NULL) {
if (Z_TYPE_P(old_value) != IS_NULL) {
zval_ptr_dtor(old_value);
ZVAL_NULL(old_value);
}
} else {
zval_ptr_dtor(old_value);
pb_assign_value(getThis(), old_value, value, (zend_ulong)field_number);
}
RETURN_THIS();
}
ZEND_BEGIN_ARG_INFO_EX(arginfo_construct, 0, 0, 0)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_reset, 0, 0, 0)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_append, 0, 0, 2)
ZEND_ARG_INFO(0, position)
ZEND_ARG_INFO(0, value)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_clear, 0, 0, 1)
ZEND_ARG_INFO(0, position)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_printDebugString, 0, 0, 0)
ZEND_ARG_INFO(0, level)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_dump, 0, 0, 0)
ZEND_ARG_INFO(0, onlySet)
ZEND_ARG_INFO(0, level)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_count, 0, 0, 1)
ZEND_ARG_INFO(0, position)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_get, 0, 0, 1)
ZEND_ARG_INFO(0, position)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_parseFromString, 0, 0, 1)
ZEND_ARG_INFO(0, packed)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_serializeToString, 0, 0, 0)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_set, 0, 0, 2)
ZEND_ARG_INFO(0, position)
ZEND_ARG_INFO(0, value)
ZEND_END_ARG_INFO()
static zend_function_entry pb_methods[] = {
PHP_ME(ProtobufMessage, __construct, arginfo_construct, ZEND_ACC_PUBLIC | ZEND_ACC_CTOR)
PHP_ABSTRACT_ME(ProtobufMessage, reset, arginfo_reset)
PHP_ME(ProtobufMessage, append, arginfo_append, ZEND_ACC_PUBLIC)
PHP_ME(ProtobufMessage, clear, arginfo_clear, ZEND_ACC_PUBLIC)
PHP_ME(ProtobufMessage, dump, arginfo_dump, ZEND_ACC_PUBLIC)
PHP_ME(ProtobufMessage, count, arginfo_count, ZEND_ACC_PUBLIC)
PHP_ME(ProtobufMessage, get, arginfo_get, ZEND_ACC_PUBLIC)
PHP_ME(ProtobufMessage, parseFromString, arginfo_parseFromString, ZEND_ACC_PUBLIC)
PHP_ME(ProtobufMessage, serializeToString, arginfo_serializeToString, ZEND_ACC_PUBLIC)
PHP_ME(ProtobufMessage, set, arginfo_set, ZEND_ACC_PUBLIC)
PHP_ME(ProtobufMessage, printDebugString, arginfo_printDebugString, ZEND_ACC_PUBLIC)
{NULL, NULL, NULL, 0, 0}
};
PHP_MINIT_FUNCTION(protobuf)
{
zend_class_entry ce;
INIT_CLASS_ENTRY(ce, "ProtobufMessage", pb_methods);
pb_entry = zend_register_internal_class(&ce TSRMLS_CC);
PB_CONSTANT(PB_TYPE_DOUBLE);
PB_CONSTANT(PB_TYPE_FIXED32);
PB_CONSTANT(PB_TYPE_FIXED64);
PB_CONSTANT(PB_TYPE_FLOAT);
PB_CONSTANT(PB_TYPE_INT);
PB_CONSTANT(PB_TYPE_SIGNED_INT);
PB_CONSTANT(PB_TYPE_STRING);
PB_CONSTANT(PB_TYPE_BOOL);
return SUCCESS;
}
zend_module_entry protobuf_module_entry = {
STANDARD_MODULE_HEADER,
PHP_PROTOBUF_EXTNAME,
NULL,
PHP_MINIT(protobuf),
NULL,
NULL,
NULL,
NULL,
PHP_PROTOBUF_VERSION,
STANDARD_MODULE_PROPERTIES
};
#ifdef COMPILE_DL_PROTOBUF
ZEND_GET_MODULE(protobuf)
#endif
static int pb_assign_value(zval *this, zval *dst, zval *src, zend_ulong field_number)
{
zval *field_descriptor, field_descriptors, tmp, *type;
TSRMLS_FETCH();
if (pb_get_field_descriptors(this, &field_descriptors))
goto fail0;
if ((field_descriptor = pb_get_field_descriptor(this, &field_descriptors, field_number)) == NULL)
goto fail1;
if ((type = pb_get_field_type(this, field_descriptor, field_number)) == NULL)
goto fail1;
ZVAL_DUP(&tmp, src);
if (Z_TYPE_P(type) == IS_LONG) {
switch (Z_LVAL_P(type))
{
case PB_TYPE_DOUBLE:
case PB_TYPE_FLOAT:
if (Z_TYPE(tmp) != IS_DOUBLE)
convert_to_explicit_type(&tmp, IS_DOUBLE);
break;
case PB_TYPE_FIXED32:
if (Z_TYPE(tmp) != IS_LONG)
convert_to_explicit_type(&tmp, IS_LONG);
break;
case PB_TYPE_BOOL:
if (!IS_BOOL(tmp)) {
convert_to_boolean(&tmp);
}
break;
case PB_TYPE_INT:
case PB_TYPE_FIXED64:
case PB_TYPE_SIGNED_INT:
if ((Z_TYPE(tmp) == IS_DOUBLE) && IS_32_BIT) {
if ((double)ZEND_LONG_MAX < Z_DVAL(tmp)) {
// store big value for 32bit systems as double
break;
}
}
convert_to_explicit_type(&tmp, IS_LONG);
break;
case PB_TYPE_STRING:
if (Z_TYPE(tmp) != IS_STRING)
convert_to_explicit_type(&tmp, IS_STRING);
break;
default:
PB_COMPILE_ERROR_EX(this, "unexpected '%s' field type %d in field descriptor", pb_get_field_name(this, field_number), zend_get_type_by_const(Z_LVAL_P(type)));
goto fail2;
}
} else if (Z_TYPE_P(type) != IS_STRING) {
PB_COMPILE_ERROR_EX(this, "unexpected %s type of '%s' field type in field descriptor", zend_get_type_by_const(Z_TYPE_P(type)), pb_get_field_name(this, field_number));
goto fail2;
}
ZVAL_COPY_VALUE(dst, &tmp);
zval_ptr_dtor(&field_descriptors);
return 0;
fail2:
zval_ptr_dtor(&tmp);
fail1:
zval_ptr_dtor(&field_descriptors);
fail0:
return -1;
}
static int pb_print_field_value(zval *value, zend_long level, zend_bool only_set)
{
const char *string_value;
int used_tmp=0;
zval tmp;
TSRMLS_FETCH();
if (Z_TYPE_P(value) == IS_NULL)
string_value = "null";
else if (Z_TYPE_P(value) == IS_TRUE)
string_value = "true";
else if (Z_TYPE_P(value) == IS_FALSE)
string_value = "false";
else {
ZVAL_DUP(&tmp, value);
convert_to_string(&tmp);
string_value = Z_STRVAL(tmp);
used_tmp=1;
}
if (Z_TYPE_P(value) == IS_STRING)
php_printf(" \"%s\"\n", string_value);
else
php_printf(" %s\n", string_value);
if(used_tmp)
zval_dtor(&tmp);
return 0;
}
static int pb_print_debug_field_value(zval *value, zend_long level)
{
zval tmp, ret, arg0, args[1];
int dump_result;
TSRMLS_FETCH();
ZVAL_UNDEF(&ret);
if (Z_TYPE_P(value) == IS_OBJECT) {
php_printf("\n");
ZVAL_LONG(&arg0, level);
args[0] = arg0;
ZVAL_STRINGL(&tmp, PB_PRINT_DEBUG_STRING_METHOD, sizeof(PB_PRINT_DEBUG_STRING_METHOD) - 1);
dump_result = call_user_function(NULL, value, &tmp, &ret, 1, args TSRMLS_CC);
zval_ptr_dtor(&tmp);
if (dump_result == FAILURE)
return -1;
else
return 0;
zval_ptr_dtor(&ret);
}
return pb_print_field_value(value, level, 1);
}
static int pb_dump_field_value(zval *value, zend_long level, zend_bool only_set)
{
const char *string_value;
zval tmp, ret, arg0, arg1, args[2];
int dump_result;
TSRMLS_FETCH();
ZVAL_UNDEF(&ret); // call_user_function will segfault without this init
if (Z_TYPE_P(value) == IS_OBJECT) {
php_printf("\n");
ZVAL_BOOL(&arg0, only_set);
ZVAL_LONG(&arg1, level);
args[0] = arg0;
args[1] = arg1;
ZVAL_STRINGL(&tmp, PB_DUMP_METHOD, sizeof(PB_DUMP_METHOD) - 1);
dump_result = call_user_function(NULL, value, &tmp, &ret, 2, args TSRMLS_CC);
zval_ptr_dtor(&tmp);
if (dump_result == FAILURE)
return -1;
else
return 0;
}
return pb_print_field_value(value, level, only_set);
}
static zval *pb_get_field_descriptor(zval *this, zval *field_descriptors, zend_ulong field_number)
{
zval *field_descriptor = NULL;
TSRMLS_FETCH();
field_descriptor = zend_hash_index_find(Z_ARRVAL_P(field_descriptors), field_number);
if (field_descriptor == NULL)
PB_COMPILE_ERROR_EX(this, "missing %lu field descriptor", (uint64_t)field_number);
return field_descriptor;
}
static zval *pb_get_field_type(zval *this, zval *field_descriptor, zend_ulong field_number)
{
zval *field_type;
TSRMLS_FETCH();
field_type = zend_hash_str_find(Z_ARRVAL_P(field_descriptor), PB_FIELD_TYPE, sizeof(PB_FIELD_TYPE) - 1);
if (field_type == NULL)
PB_COMPILE_ERROR_EX(this, "missing '%s' field type property in field descriptor", pb_get_field_name(this, field_number));
return field_type;
}
static int pb_get_field_descriptors(zval *this, zval* return_value)
{
zval descriptors, method;
TSRMLS_FETCH();
ZVAL_STRINGL(&method, PB_FIELDS_METHOD, sizeof(PB_FIELDS_METHOD) - 1);
if (call_user_function_ex(NULL, this, &method, &descriptors, 0, NULL, 0, NULL TSRMLS_CC) == FAILURE) {
return -1;
}
*return_value = descriptors;
zval_ptr_dtor(&method);
return 0;
}
static const char *pb_get_field_name(zval *this, zend_ulong field_number)
{
zval *field_descriptor, field_descriptors, *field_name;
TSRMLS_FETCH();
if (pb_get_field_descriptors(this, &field_descriptors))
return NULL;
if ((field_descriptor = pb_get_field_descriptor(this, &field_descriptors, field_number)) == NULL)
goto fail0;
field_name = zend_hash_str_find(Z_ARRVAL_P(field_descriptor), PB_FIELD_NAME, sizeof(PB_FIELD_NAME) - 1);
if (field_name == NULL) {
PB_COMPILE_ERROR_EX(this, "missing %lu field name property in field descriptor", (uint64_t)field_number);
goto fail0;
}
zval_ptr_dtor(&field_descriptors);
return (const char *) Z_STRVAL_P(field_name);
fail0:
zval_ptr_dtor(&field_descriptors);
return NULL;
}
static int pb_get_wire_type(int field_type)
{
int ret;
switch (field_type)
{
case PB_TYPE_DOUBLE:
case PB_TYPE_FIXED64:
ret = WIRE_TYPE_64BIT;
break;
case PB_TYPE_FIXED32:
case PB_TYPE_FLOAT:
ret = WIRE_TYPE_32BIT;
break;
case PB_TYPE_INT:
case PB_TYPE_SIGNED_INT:
case PB_TYPE_BOOL:
ret = WIRE_TYPE_VARINT;
break;
case PB_TYPE_STRING:
ret = WIRE_TYPE_LENGTH_DELIMITED;
break;
default:
ret = -1;
break;
}
return ret;
}