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fe71ae29d9
- Rename and fix zend_get_unified_string_type() so that it does not allow mixing of binary and Unicode types.
109 lines
4.4 KiB
C
109 lines
4.4 KiB
C
/*
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+----------------------------------------------------------------------+
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| Zend Engine |
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+----------------------------------------------------------------------+
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| Copyright (c) 1998-2004 Zend Technologies Ltd. (http://www.zend.com) |
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+----------------------------------------------------------------------+
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| This source file is subject to version 2.00 of the Zend license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available at through the world-wide-web at |
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| http://www.zend.com/license/2_00.txt. |
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| If you did not receive a copy of the Zend license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@zend.com so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Authors: Andrei Zmievski <andrei@php.net> |
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+----------------------------------------------------------------------+
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*/
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#ifndef ZEND_UNICODE_H
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#define ZEND_UNICODE_H
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#include "zend.h"
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#include <unicode/utypes.h>
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#include <unicode/ustring.h>
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#include <unicode/ucnv.h>
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#include <unicode/ustdio.h>
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#include <unicode/uchar.h>
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#include <unicode/uloc.h>
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#include <unicode/ucol.h>
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#define ZEND_FROM_U_ERROR_STOP 0
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#define ZEND_FROM_U_ERROR_SKIP 1
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#define ZEND_FROM_U_ERROR_SUBST 2
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#define ZEND_FROM_U_ERROR_ESCAPE 3
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/* internal functions */
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int zend_set_converter_encoding(UConverter **converter, const char *encoding);
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void zend_set_converter_subst_char(UConverter *conv, UChar *subst_char, int8_t subst_char_len);
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void zend_set_converter_error_mode(UConverter *conv, uint8_t error_mode);
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/* API functions */
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ZEND_API void zend_convert_to_unicode(UConverter *conv, UChar **target, int32_t *target_len, const char *source, int32_t source_len, UErrorCode *status);
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ZEND_API void zend_convert_from_unicode(UConverter *conv, char **target, int32_t *target_len, const UChar *source, int32_t source_len, UErrorCode *status);
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ZEND_API void zend_convert_encodings(UConverter *target_conv, UConverter *source_conv, char **target, int32_t *target_len, const char *source, int32_t source_len, UErrorCode *status);
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ZEND_API int zval_string_to_unicode(zval *string TSRMLS_DC);
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ZEND_API int zval_unicode_to_string(zval *string, UConverter *conv TSRMLS_DC);
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ZEND_API int zend_cmp_unicode_and_string(UChar *ustr, char* str, uint len);
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ZEND_API int zend_cmp_unicode_and_literal(UChar *ustr, int32_t ulen, char* str, int32_t slen);
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ZEND_API void zend_case_fold_string(UChar **dest, int32_t *dest_len, UChar *src, int32_t src_len, uint32_t options, UErrorCode *status);
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ZEND_API int zend_is_valid_identifier(UChar *ident, int32_t ident_len);
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ZEND_API int zend_normalize_identifier(UChar **dest, int32_t *dest_len, UChar *ident, int32_t ident_len, zend_bool fold_case);
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/*
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* Function to get a codepoint at position n. Iterates over codepoints starting from the
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* beginning of the string. Does not check for n > length, this is left up to the caller.
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*/
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static inline UChar32 zend_get_codepoint_at(UChar *str, int32_t length, int32_t n)
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{
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int32_t offset = 0;
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UChar32 c = 0;
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U16_FWD_N(str, offset, length, n);
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U16_GET(str, 0, offset, length, c);
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return c;
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}
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/*
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* Convert a single codepoint to UChar sequence (1 or 2).
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* The UChar buffer is assumed to be large enough.
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*/
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static inline int zend_codepoint_to_uchar(UChar32 codepoint, UChar *buf)
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{
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if (U_IS_BMP(codepoint)) {
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*buf++ = (UChar) codepoint;
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return 1;
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} else if (codepoint <= UCHAR_MAX_VALUE) {
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*buf++ = (UChar) U16_LEAD(codepoint);
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*buf++ = (UChar) U16_TRAIL(codepoint);
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return 2;
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} else {
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return 0;
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}
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}
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#define ZEND_U_CONVERTER(c) ((c)?(c):UG(fallback_encoding_conv))
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#define USTR_FREE(ustr) do { if (ustr) { efree(ustr); } } while (0);
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#define UBYTES(len) ((len) * sizeof(UChar))
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#define USTR_LEN(str) (UG(unicode)?u_strlen((UChar*)(str)):strlen((char*)(str)))
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#define USTR_MAKE(cs) zend_ascii_to_unicode(cs, sizeof(cs) ZEND_FILE_LINE_CC)
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#define USTR_MAKE_REL(cs) zend_ascii_to_unicode(cs, sizeof(cs) ZEND_FILE_LINE_RELAY_CC)
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static inline UChar* zend_ascii_to_unicode(const char *cs, size_t cs_size ZEND_FILE_LINE_DC)
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{
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/* u_charsToUChars() takes care of the terminating NULL */
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UChar *us = eumalloc_rel(cs_size);
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u_charsToUChars(cs, us, cs_size);
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return us;
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}
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#endif /* ZEND_UNICODE_H */
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