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Diffstat (limited to 'Zend/zend_multibyte.c')
| -rw-r--r-- | Zend/zend_multibyte.c | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/Zend/zend_multibyte.c b/Zend/zend_multibyte.c new file mode 100644 index 0000000..dafcf18 --- /dev/null +++ b/Zend/zend_multibyte.c @@ -0,0 +1,216 @@ +/* + +----------------------------------------------------------------------+ + | Zend Engine | + +----------------------------------------------------------------------+ + | Copyright (c) 1998-2013 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> | + +----------------------------------------------------------------------+ +*/ + +/* $Id$ */ + +#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 TSRMLS_DC) +{ + 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 TSRMLS_DC) +{ + 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 TSRMLS_DC) +{ + 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 TSRMLS_DC) +{ + *return_list = pemalloc(0, persistent); + return_size = 0; + return SUCCESS; +} + +static const zend_encoding *dummy_internal_encoding_getter(TSRMLS_D) +{ + return NULL; +} + +static int dummy_internal_encoding_setter(const zend_encoding *encoding TSRMLS_DC) +{ + return FAILURE; +} + +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 TSRMLS_DC) +{ + zend_multibyte_encoding_utf32be = functions->encoding_fetcher("UTF-32BE" TSRMLS_CC); + if (!zend_multibyte_encoding_utf32be) { + return FAILURE; + } + zend_multibyte_encoding_utf32le = functions->encoding_fetcher("UTF-32LE" TSRMLS_CC); + if (!zend_multibyte_encoding_utf32le) { + return FAILURE; + } + zend_multibyte_encoding_utf16be = functions->encoding_fetcher("UTF-16BE" TSRMLS_CC); + if (!zend_multibyte_encoding_utf16be) { + return FAILURE; + } + zend_multibyte_encoding_utf16le = functions->encoding_fetcher("UTF-16LE" TSRMLS_CC); + if (!zend_multibyte_encoding_utf16le) { + return FAILURE; + } + zend_multibyte_encoding_utf8 = functions->encoding_fetcher("UTF-8" TSRMLS_CC); + if (!zend_multibyte_encoding_utf8) { + return FAILURE; + } + + 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"), 0); + zend_multibyte_set_script_encoding_by_string(value, strlen(value) TSRMLS_CC); + } + return SUCCESS; +} + +ZEND_API const zend_multibyte_functions *zend_multibyte_get_functions(TSRMLS_D) +{ + return multibyte_functions.provider_name ? &multibyte_functions: NULL; +} + +ZEND_API const zend_encoding *zend_multibyte_fetch_encoding(const char *name TSRMLS_DC) +{ + return multibyte_functions.encoding_fetcher(name TSRMLS_CC); +} + +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 TSRMLS_DC) +{ + return multibyte_functions.encoding_detector(string, length, list, list_size TSRMLS_CC); +} + +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 TSRMLS_DC) +{ + return multibyte_functions.encoding_converter(to, to_length, from, from_length, encoding_to, encoding_from TSRMLS_CC); +} + +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 TSRMLS_DC) +{ + return multibyte_functions.encoding_list_parser(encoding_list, encoding_list_len, return_list, return_size, persistent TSRMLS_CC); +} + +ZEND_API const zend_encoding *zend_multibyte_get_internal_encoding(TSRMLS_D) +{ + return multibyte_functions.internal_encoding_getter(TSRMLS_C); +} + +ZEND_API const zend_encoding *zend_multibyte_get_script_encoding(TSRMLS_D) +{ + return LANG_SCNG(script_encoding); +} + +ZEND_API int zend_multibyte_set_script_encoding(const zend_encoding **encoding_list, size_t encoding_list_size TSRMLS_DC) +{ + if (CG(script_encoding_list)) { + free(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 TSRMLS_DC) +{ + return multibyte_functions.internal_encoding_setter(encoding TSRMLS_CC); +} + +ZEND_API int zend_multibyte_set_script_encoding_by_string(const char *new_value, size_t new_value_length TSRMLS_DC) +{ + const zend_encoding **list = 0; + size_t size = 0; + + if (!new_value) { + zend_multibyte_set_script_encoding(NULL, 0 TSRMLS_CC); + return SUCCESS; + } + + if (FAILURE == zend_multibyte_parse_encoding_list(new_value, new_value_length, &list, &size, 1 TSRMLS_CC)) { + return FAILURE; + } + + if (size == 0) { + pefree(list, 1); + return FAILURE; + } + + if (FAILURE == zend_multibyte_set_script_encoding(list, size TSRMLS_CC)) { + return FAILURE; + } + + return SUCCESS; +} + +/* + * Local variables: + * tab-width: 4 + * c-basic-offset: 4 + * End: + * vim600: sw=4 ts=4 tw=78 + * vim<600: sw=4 ts=4 tw=78 + */ |