/* +----------------------------------------------------------------------+ | Zend Engine | +----------------------------------------------------------------------+ | Copyright (c) 1998-2018 Zend Technologies Ltd. (http://www.zend.com) | +----------------------------------------------------------------------+ | This source file is subject to version 2.00 of the Zend license, | | that is bundled with this package in the file LICENSE, and is | | available through the world-wide-web at | | http://www.zend.com/license/2_00.txt. | | If you did not receive a copy of the Zend license and are unable to | | obtain it through the world-wide-web, please send a note to | | license@zend.com so we can mail you a copy immediately. | +----------------------------------------------------------------------+ | Authors: Masaki Fujimoto <fujimoto@php.net> | | Rui Hirokawa <hirokawa@php.net> | +----------------------------------------------------------------------+ */ #include "zend.h" #include "zend_compile.h" #include "zend_operators.h" #include "zend_multibyte.h" #include "zend_ini.h" static const zend_encoding *dummy_encoding_fetcher(const char *encoding_name) { return NULL; } static const char *dummy_encoding_name_getter(const zend_encoding *encoding) { return (const char*)encoding; } static int dummy_encoding_lexer_compatibility_checker(const zend_encoding *encoding) { return 0; } static const zend_encoding *dummy_encoding_detector(const unsigned char *string, size_t length, const zend_encoding **list, size_t list_size) { return NULL; } static size_t dummy_encoding_converter(unsigned char **to, size_t *to_length, const unsigned char *from, size_t from_length, const zend_encoding *encoding_to, const zend_encoding *encoding_from) { return (size_t)-1; } static int dummy_encoding_list_parser(const char *encoding_list, size_t encoding_list_len, const zend_encoding ***return_list, size_t *return_size, int persistent) { *return_list = pemalloc(0, persistent); *return_size = 0; return SUCCESS; } static const zend_encoding *dummy_internal_encoding_getter(void) { return NULL; } static int dummy_internal_encoding_setter(const zend_encoding *encoding) { return FAILURE; } static zend_multibyte_functions multibyte_functions_dummy; static zend_multibyte_functions multibyte_functions = { NULL, dummy_encoding_fetcher, dummy_encoding_name_getter, dummy_encoding_lexer_compatibility_checker, dummy_encoding_detector, dummy_encoding_converter, dummy_encoding_list_parser, dummy_internal_encoding_getter, dummy_internal_encoding_setter }; ZEND_API const zend_encoding *zend_multibyte_encoding_utf32be = (const zend_encoding*)"UTF-32BE"; ZEND_API const zend_encoding *zend_multibyte_encoding_utf32le = (const zend_encoding*)"UTF-32LE"; ZEND_API const zend_encoding *zend_multibyte_encoding_utf16be = (const zend_encoding*)"UTF-16BE"; ZEND_API const zend_encoding *zend_multibyte_encoding_utf16le = (const zend_encoding*)"UTF-32LE"; ZEND_API const zend_encoding *zend_multibyte_encoding_utf8 = (const zend_encoding*)"UTF-8"; ZEND_API int zend_multibyte_set_functions(const zend_multibyte_functions *functions) { zend_multibyte_encoding_utf32be = functions->encoding_fetcher("UTF-32BE"); if (!zend_multibyte_encoding_utf32be) { return FAILURE; } zend_multibyte_encoding_utf32le = functions->encoding_fetcher("UTF-32LE"); if (!zend_multibyte_encoding_utf32le) { return FAILURE; } zend_multibyte_encoding_utf16be = functions->encoding_fetcher("UTF-16BE"); if (!zend_multibyte_encoding_utf16be) { return FAILURE; } zend_multibyte_encoding_utf16le = functions->encoding_fetcher("UTF-16LE"); if (!zend_multibyte_encoding_utf16le) { return FAILURE; } zend_multibyte_encoding_utf8 = functions->encoding_fetcher("UTF-8"); if (!zend_multibyte_encoding_utf8) { return FAILURE; } multibyte_functions_dummy = multibyte_functions; multibyte_functions = *functions; /* As zend_multibyte_set_functions() gets called after ini settings were * populated, we need to reinitialize script_encoding here. */ { const char *value = zend_ini_string("zend.script_encoding", sizeof("zend.script_encoding") - 1, 0); zend_multibyte_set_script_encoding_by_string(value, strlen(value)); } return SUCCESS; } ZEND_API void zend_multibyte_restore_functions(void) { multibyte_functions = multibyte_functions_dummy; } ZEND_API const zend_multibyte_functions *zend_multibyte_get_functions(void) { return multibyte_functions.provider_name ? &multibyte_functions: NULL; } ZEND_API const zend_encoding *zend_multibyte_fetch_encoding(const char *name) { return multibyte_functions.encoding_fetcher(name); } ZEND_API const char *zend_multibyte_get_encoding_name(const zend_encoding *encoding) { return multibyte_functions.encoding_name_getter(encoding); } ZEND_API int zend_multibyte_check_lexer_compatibility(const zend_encoding *encoding) { return multibyte_functions.lexer_compatibility_checker(encoding); } ZEND_API const zend_encoding *zend_multibyte_encoding_detector(const unsigned char *string, size_t length, const zend_encoding **list, size_t list_size) { return multibyte_functions.encoding_detector(string, length, list, list_size); } ZEND_API size_t zend_multibyte_encoding_converter(unsigned char **to, size_t *to_length, const unsigned char *from, size_t from_length, const zend_encoding *encoding_to, const zend_encoding *encoding_from) { return multibyte_functions.encoding_converter(to, to_length, from, from_length, encoding_to, encoding_from); } ZEND_API int zend_multibyte_parse_encoding_list(const char *encoding_list, size_t encoding_list_len, const zend_encoding ***return_list, size_t *return_size, int persistent) { return multibyte_functions.encoding_list_parser(encoding_list, encoding_list_len, return_list, return_size, persistent); } ZEND_API const zend_encoding *zend_multibyte_get_internal_encoding(void) { return multibyte_functions.internal_encoding_getter(); } ZEND_API const zend_encoding *zend_multibyte_get_script_encoding(void) { return LANG_SCNG(script_encoding); } ZEND_API int zend_multibyte_set_script_encoding(const zend_encoding **encoding_list, size_t encoding_list_size) { if (CG(script_encoding_list)) { free((char*)CG(script_encoding_list)); } CG(script_encoding_list) = encoding_list; CG(script_encoding_list_size) = encoding_list_size; return SUCCESS; } ZEND_API int zend_multibyte_set_internal_encoding(const zend_encoding *encoding) { return multibyte_functions.internal_encoding_setter(encoding); } ZEND_API int zend_multibyte_set_script_encoding_by_string(const char *new_value, size_t new_value_length) { const zend_encoding **list = 0; size_t size = 0; if (!new_value) { zend_multibyte_set_script_encoding(NULL, 0); return SUCCESS; } if (FAILURE == zend_multibyte_parse_encoding_list(new_value, new_value_length, &list, &size, 1)) { return FAILURE; } if (size == 0) { pefree((void*)list, 1); return FAILURE; } if (FAILURE == zend_multibyte_set_script_encoding(list, size)) { return FAILURE; } return SUCCESS; } /* * Local variables: * tab-width: 4 * c-basic-offset: 4 * End: * vim600: sw=4 ts=4 fdm=marker * vim<600: sw=4 ts=4 */