xref: /PHP-5.5/ext/intl/grapheme/grapheme_util.h (revision e3d625bc)
1 /*
2    +----------------------------------------------------------------------+
3    | PHP Version 5                                                        |
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 TSRMLS_DC );
25 
26 void grapheme_substr_ascii(char *str, int32_t str_len, int32_t f, int32_t l, int argc, char **sub_str, int *sub_str_len);
27 
28 int grapheme_strrpos_utf16(unsigned char *haystack, int32_t haystack_len, unsigned char*needle, int32_t needle_len, int32_t offset, int f_ignore_case TSRMLS_DC);
29 
30 int grapheme_strpos_utf16(unsigned char *haystack, int32_t haystack_len, unsigned char*needle, int32_t needle_len, int32_t offset, int *puchar_pos, int f_ignore_case, int last TSRMLS_DC);
31 
32 int grapheme_ascii_check(const unsigned char *day, int32_t len);
33 
34 int grapheme_split_string(const UChar *text, int32_t text_length, int boundary_array[], int boundary_array_len TSRMLS_DC );
35 
36 int32_t grapheme_count_graphemes(UBreakIterator *bi, UChar *string, int32_t string_len);
37 
38 inline void *grapheme_memrchr_grapheme(const void *s, int c, int32_t n);
39 
40 int grapheme_get_haystack_offset(UBreakIterator* bi, int32_t offset);
41 
42 int32_t grapheme_strrpos_ascii(unsigned char *haystack, int32_t haystack_len, unsigned char *needle, int32_t needle_len, int32_t offset);
43 
44 UBreakIterator* grapheme_get_break_iterator(void *stack_buffer, UErrorCode *status TSRMLS_DC );
45 
46 /* OUTSIDE_STRING: check if (possibly negative) long offset is outside the string with int32_t length */
47 #define OUTSIDE_STRING(offset, max_len) ( offset <= INT32_MIN || offset > INT32_MAX || (offset < 0 ? -offset > (long) max_len : offset >= (long) max_len) )
48 
49 #endif // GRAPHEME_GRAPHEME_UTIL_H
50