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dis-bench / src /php /php-src /ext /json /json.c
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/*
+----------------------------------------------------------------------+
| Copyright (c) The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| https://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Omar Kilani <omar@php.net> |
| Jakub Zelenka <bukka@php.net> |
+----------------------------------------------------------------------+
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "php.h"
#include "ext/standard/info.h"
#include "zend_smart_str.h"
#include "php_json.h"
#include "php_json_encoder.h"
#include "php_json_parser.h"
#include "json_arginfo.h"
#include <zend_exceptions.h>
static PHP_MINFO_FUNCTION(json);
PHP_JSON_API zend_class_entry *php_json_serializable_ce;
PHP_JSON_API zend_class_entry *php_json_exception_ce;
PHP_JSON_API ZEND_DECLARE_MODULE_GLOBALS(json)
static int php_json_implement_json_serializable(zend_class_entry *interface, zend_class_entry *class_type)
{
class_type->ce_flags |= ZEND_ACC_USE_GUARDS;
return SUCCESS;
}
/* {{{ MINIT */
static PHP_MINIT_FUNCTION(json)
{
php_json_serializable_ce = register_class_JsonSerializable();
php_json_serializable_ce->interface_gets_implemented = php_json_implement_json_serializable;
php_json_exception_ce = register_class_JsonException(zend_ce_exception);
register_json_symbols(module_number);
return SUCCESS;
}
/* }}} */
/* {{{ PHP_GINIT_FUNCTION */
static PHP_GINIT_FUNCTION(json)
{
#if defined(COMPILE_DL_JSON) && defined(ZTS)
ZEND_TSRMLS_CACHE_UPDATE();
#endif
json_globals->encoder_depth = 0;
json_globals->error_code = 0;
json_globals->encode_max_depth = PHP_JSON_PARSER_DEFAULT_DEPTH;
}
/* }}} */
static PHP_RINIT_FUNCTION(json)
{
JSON_G(error_code) = 0;
return SUCCESS;
}
/* {{{ json_module_entry */
zend_module_entry json_module_entry = {
STANDARD_MODULE_HEADER,
"json",
ext_functions,
PHP_MINIT(json),
NULL,
PHP_RINIT(json),
NULL,
PHP_MINFO(json),
PHP_JSON_VERSION,
PHP_MODULE_GLOBALS(json),
PHP_GINIT(json),
NULL,
NULL,
STANDARD_MODULE_PROPERTIES_EX
};
/* }}} */
#ifdef COMPILE_DL_JSON
#ifdef ZTS
ZEND_TSRMLS_CACHE_DEFINE()
#endif
ZEND_GET_MODULE(json)
#endif
/* {{{ PHP_MINFO_FUNCTION */
static PHP_MINFO_FUNCTION(json)
{
php_info_print_table_start();
php_info_print_table_row(2, "json support", "enabled");
php_info_print_table_end();
}
/* }}} */
PHP_JSON_API zend_string *php_json_encode_string(const char *s, size_t len, int options)
{
smart_str buf = {0};
php_json_encoder encoder;
php_json_encode_init(&encoder);
if (php_json_escape_string(&buf, s, len, options, &encoder) == FAILURE) {
smart_str_free(&buf);
return NULL;
}
return smart_str_extract(&buf);
}
PHP_JSON_API zend_result php_json_encode_ex(smart_str *buf, zval *val, int options, zend_long depth) /* {{{ */
{
php_json_encoder encoder;
zend_result return_code;
php_json_encode_init(&encoder);
encoder.max_depth = depth;
return_code = php_json_encode_zval(buf, val, options, &encoder);
JSON_G(error_code) = encoder.error_code;
return return_code;
}
/* }}} */
PHP_JSON_API zend_result php_json_encode(smart_str *buf, zval *val, int options) /* {{{ */
{
return php_json_encode_ex(buf, val, options, JSON_G(encode_max_depth));
}
/* }}} */
static const char *php_json_get_error_msg(php_json_error_code error_code) /* {{{ */
{
switch(error_code) {
case PHP_JSON_ERROR_NONE:
return "No error";
case PHP_JSON_ERROR_DEPTH:
return "Maximum stack depth exceeded";
case PHP_JSON_ERROR_STATE_MISMATCH:
return "State mismatch (invalid or malformed JSON)";
case PHP_JSON_ERROR_CTRL_CHAR:
return "Control character error, possibly incorrectly encoded";
case PHP_JSON_ERROR_SYNTAX:
return "Syntax error";
case PHP_JSON_ERROR_UTF8:
return "Malformed UTF-8 characters, possibly incorrectly encoded";
case PHP_JSON_ERROR_RECURSION:
return "Recursion detected";
case PHP_JSON_ERROR_INF_OR_NAN:
return "Inf and NaN cannot be JSON encoded";
case PHP_JSON_ERROR_UNSUPPORTED_TYPE:
return "Type is not supported";
case PHP_JSON_ERROR_INVALID_PROPERTY_NAME:
return "The decoded property name is invalid";
case PHP_JSON_ERROR_UTF16:
return "Single unpaired UTF-16 surrogate in unicode escape";
case PHP_JSON_ERROR_NON_BACKED_ENUM:
return "Non-backed enums have no default serialization";
default:
return "Unknown error";
}
}
/* }}} */
PHP_JSON_API zend_result php_json_decode_ex(zval *return_value, const char *str, size_t str_len, zend_long options, zend_long depth) /* {{{ */
{
php_json_parser parser;
php_json_parser_init(&parser, return_value, str, str_len, (int)options, (int)depth);
if (php_json_yyparse(&parser)) {
php_json_error_code error_code = php_json_parser_error_code(&parser);
if (!(options & PHP_JSON_THROW_ON_ERROR)) {
JSON_G(error_code) = error_code;
} else {
zend_throw_exception(php_json_exception_ce, php_json_get_error_msg(error_code), error_code);
}
RETVAL_NULL();
return FAILURE;
}
return SUCCESS;
}
/* }}} */
/* {{{ */
PHP_JSON_API bool php_json_validate_ex(const char *str, size_t str_len, zend_long options, zend_long depth)
{
php_json_parser parser;
zval tmp;
const php_json_parser_methods* parser_validate_methods = php_json_get_validate_methods();
php_json_parser_init_ex(&parser, &tmp, str, str_len, (int)options, (int)depth, parser_validate_methods);
if (php_json_yyparse(&parser)) {
php_json_error_code error_code = php_json_parser_error_code(&parser);
JSON_G(error_code) = error_code;
return false;
}
return true;
}
/* }}} */
/* {{{ Returns the JSON representation of a value */
PHP_FUNCTION(json_encode)
{
zval *parameter;
php_json_encoder encoder;
smart_str buf = {0};
zend_long options = 0;
zend_long depth = PHP_JSON_PARSER_DEFAULT_DEPTH;
ZEND_PARSE_PARAMETERS_START(1, 3)
Z_PARAM_ZVAL(parameter)
Z_PARAM_OPTIONAL
Z_PARAM_LONG(options)
Z_PARAM_LONG(depth)
ZEND_PARSE_PARAMETERS_END();
php_json_encode_init(&encoder);
encoder.max_depth = (int)depth;
php_json_encode_zval(&buf, parameter, (int)options, &encoder);
if (!(options & PHP_JSON_THROW_ON_ERROR) || (options & PHP_JSON_PARTIAL_OUTPUT_ON_ERROR)) {
JSON_G(error_code) = encoder.error_code;
if (encoder.error_code != PHP_JSON_ERROR_NONE && !(options & PHP_JSON_PARTIAL_OUTPUT_ON_ERROR)) {
smart_str_free(&buf);
RETURN_FALSE;
}
} else {
if (encoder.error_code != PHP_JSON_ERROR_NONE) {
smart_str_free(&buf);
zend_throw_exception(php_json_exception_ce, php_json_get_error_msg(encoder.error_code), encoder.error_code);
RETURN_THROWS();
}
}
RETURN_STR(smart_str_extract(&buf));
}
/* }}} */
/* {{{ Decodes the JSON representation into a PHP value */
PHP_FUNCTION(json_decode)
{
char *str;
size_t str_len;
bool assoc = 0; /* return JS objects as PHP objects by default */
bool assoc_null = 1;
zend_long depth = PHP_JSON_PARSER_DEFAULT_DEPTH;
zend_long options = 0;
ZEND_PARSE_PARAMETERS_START(1, 4)
Z_PARAM_STRING(str, str_len)
Z_PARAM_OPTIONAL
Z_PARAM_BOOL_OR_NULL(assoc, assoc_null)
Z_PARAM_LONG(depth)
Z_PARAM_LONG(options)
ZEND_PARSE_PARAMETERS_END();
if (!(options & PHP_JSON_THROW_ON_ERROR)) {
JSON_G(error_code) = PHP_JSON_ERROR_NONE;
}
if (!str_len) {
if (!(options & PHP_JSON_THROW_ON_ERROR)) {
JSON_G(error_code) = PHP_JSON_ERROR_SYNTAX;
} else {
zend_throw_exception(php_json_exception_ce, php_json_get_error_msg(PHP_JSON_ERROR_SYNTAX), PHP_JSON_ERROR_SYNTAX);
}
RETURN_NULL();
}
if (depth <= 0) {
zend_argument_value_error(3, "must be greater than 0");
RETURN_THROWS();
}
if (depth > INT_MAX) {
zend_argument_value_error(3, "must be less than %d", INT_MAX);
RETURN_THROWS();
}
/* For BC reasons, the bool $assoc overrides the long $options bit for PHP_JSON_OBJECT_AS_ARRAY */
if (!assoc_null) {
if (assoc) {
options |= PHP_JSON_OBJECT_AS_ARRAY;
} else {
options &= ~PHP_JSON_OBJECT_AS_ARRAY;
}
}
php_json_decode_ex(return_value, str, str_len, options, depth);
}
/* }}} */
/* {{{ Validates if a string contains a valid json */
PHP_FUNCTION(json_validate)
{
char *str;
size_t str_len;
zend_long depth = PHP_JSON_PARSER_DEFAULT_DEPTH;
zend_long options = 0;
ZEND_PARSE_PARAMETERS_START(1, 3)
Z_PARAM_STRING(str, str_len)
Z_PARAM_OPTIONAL
Z_PARAM_LONG(depth)
Z_PARAM_LONG(options)
ZEND_PARSE_PARAMETERS_END();
if ((options != 0) && (options != PHP_JSON_INVALID_UTF8_IGNORE)) {
zend_argument_value_error(3, "must be a valid flag (allowed flags: JSON_INVALID_UTF8_IGNORE)");
RETURN_THROWS();
}
if (!str_len) {
JSON_G(error_code) = PHP_JSON_ERROR_SYNTAX;
RETURN_FALSE;
}
JSON_G(error_code) = PHP_JSON_ERROR_NONE;
if (depth <= 0) {
zend_argument_value_error(2, "must be greater than 0");
RETURN_THROWS();
}
if (depth > INT_MAX) {
zend_argument_value_error(2, "must be less than %d", INT_MAX);
RETURN_THROWS();
}
RETURN_BOOL(php_json_validate_ex(str, str_len, options, depth));
}
/* }}} */
/* {{{ Returns the error code of the last json_encode() or json_decode() call. */
PHP_FUNCTION(json_last_error)
{
ZEND_PARSE_PARAMETERS_NONE();
RETURN_LONG(JSON_G(error_code));
}
/* }}} */
/* {{{ Returns the error string of the last json_encode() or json_decode() call. */
PHP_FUNCTION(json_last_error_msg)
{
ZEND_PARSE_PARAMETERS_NONE();
RETURN_STRING(php_json_get_error_msg(JSON_G(error_code)));
}
/* }}} */