xref: /PHP-5.3/ext/intl/grapheme/grapheme_util.h (revision 9762609c)
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
27 grapheme_substr_ascii(char *str, int32_t str_len, int32_t f, int32_t l, int argc, char **sub_str, int *sub_str_len);
28 
29 int
30 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);
31 
32 int
33 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 TSRMLS_DC);
34 
35 int grapheme_ascii_check(const unsigned char *day, int32_t len);
36 
37 int grapheme_split_string(const UChar *text, int32_t text_length, int boundary_array[], int boundary_array_len TSRMLS_DC );
38 
39 int32_t
40 grapheme_count_graphemes(UBreakIterator *bi, UChar *string, int32_t string_len);
41 
42 int32_t
43 grapheme_memnstr_grapheme(UBreakIterator *bi, UChar *haystack, UChar *needle, int32_t needle_len, UChar *end);
44 
45 inline void *grapheme_memrchr_grapheme(const void *s, int c, int32_t n);
46 
47 UChar *
48 grapheme_get_haystack_offset(UBreakIterator* bi, UChar *uhaystack, int32_t uhaystack_len, int32_t offset);
49 
50 int32_t
51 grapheme_strrpos_ascii(unsigned char *haystack, int32_t haystack_len, unsigned char *needle, int32_t needle_len, int32_t offset);
52 
53 UBreakIterator*
54 grapheme_get_break_iterator(void *stack_buffer, UErrorCode *status TSRMLS_DC );
55 
56 /* OUTSIDE_STRING: check if (possibly negative) long offset is outside the string with int32_t length */
57 #define OUTSIDE_STRING(offset, max_len) ( offset <= INT32_MIN || offset > INT32_MAX || (offset < 0 ? -offset > (long) max_len : offset >= (long) max_len) )
58 
59 #endif // GRAPHEME_GRAPHEME_UTIL_H
60