root/ext/intl/grapheme/grapheme_util.h

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   1 /*
   2    +----------------------------------------------------------------------+
   3    | PHP Version 7                                                        |
   4    +----------------------------------------------------------------------+
   5    | This source file is subject to version 3.01 of the PHP license,      |
   6    | that is bundled with this package in the file LICENSE, and is        |
   7    | available through the world-wide-web at the following url:           |
   8    | http://www.php.net/license/3_01.txt                                  |
   9    | If you did not receive a copy of the PHP license and are unable to   |
  10    | obtain it through the world-wide-web, please send a note to          |
  11    | license@php.net so we can mail you a copy immediately.               |
  12    +----------------------------------------------------------------------+
  13    | Authors: Ed Batutis <ed@batutis.com>                                 |
  14    +----------------------------------------------------------------------+
  15  */
  16 
  17 #ifndef GRAPHEME_GRAPHEME_UTIL_H
  18 #define GRAPHEME_GRAPHEME_UTIL_H
  19 
  20 #include "php_intl.h"
  21 #include "intl_convert.h"
  22 
  23 /* get_break_interator: get a break iterator from the global structure */
  24 UBreakIterator* grapheme_get_break_iterator(void *stack_buffer, UErrorCode *status );
  25 
  26 zend_long grapheme_ascii_check(const unsigned char *day, size_t len);
  27 void grapheme_substr_ascii(char *str, size_t str_len, int32_t f, int32_t l, char **sub_str, int32_t *sub_str_len);
  28 zend_long grapheme_strrpos_ascii(char *haystack, size_t haystack_len, char *needle, size_t needle_len, int32_t offset);
  29 
  30 int32_t grapheme_strrpos_utf16(char *haystack, size_t haystack_len, char *needle, size_t needle_len, int32_t offset, int f_ignore_case);
  31 int32_t grapheme_strpos_utf16(char *haystack, size_t haystack_len, char *needle, size_t needle_len, int32_t offset, int *puchar_pos, int f_ignore_case, int last);
  32 
  33 int32_t grapheme_split_string(const UChar *text, int32_t text_length, int boundary_array[], int boundary_array_len );
  34 
  35 int32_t grapheme_count_graphemes(UBreakIterator *bi, UChar *string, int32_t string_len);
  36 
  37 inline void *grapheme_memrchr_grapheme(const void *s, int c, int32_t n);
  38 
  39 int32_t grapheme_get_haystack_offset(UBreakIterator* bi, int32_t offset);
  40 
  41 UBreakIterator* grapheme_get_break_iterator(void *stack_buffer, UErrorCode *status );
  42 
  43 /* OUTSIDE_STRING: check if (possibly negative) long offset is outside the string with int32_t length */
  44 #define OUTSIDE_STRING(offset, max_len) ( offset <= INT32_MIN || offset > INT32_MAX || (offset < 0 ? -offset > (zend_long) max_len : offset >= (zend_long) max_len) )
  45 
  46 #endif // GRAPHEME_GRAPHEME_UTIL_H
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