xref: /PHP-5.4/ext/mbstring/oniguruma/enc/ascii.c (revision 5b5e012b)
1 /**********************************************************************
2   ascii.c -  Oniguruma (regular expression library)
3 **********************************************************************/
4 /*-
5  * Copyright (c) 2002-2004  K.Kosako  <sndgk393 AT ybb DOT ne DOT jp>
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  */
29 
30 #include "regenc.h"
31 
32 static int
ascii_is_code_ctype(OnigCodePoint code,unsigned int ctype)33 ascii_is_code_ctype(OnigCodePoint code, unsigned int ctype)
34 {
35   if (code < 128)
36     return ONIGENC_IS_ASCII_CODE_CTYPE(code, ctype);
37   else
38     return FALSE;
39 }
40 
41 OnigEncodingType OnigEncodingASCII = {
42   onigenc_single_byte_mbc_enc_len,
43   "US-ASCII",  /* name */
44   1,           /* max byte length */
45   1,           /* min byte length */
46   ONIGENC_AMBIGUOUS_MATCH_ASCII_CASE,
47   {
48       (OnigCodePoint )'\\'                       /* esc */
49     , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar '.'  */
50     , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anytime '*'  */
51     , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* zero or one time '?' */
52     , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* one or more time '+' */
53     , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar anytime */
54   },
55   onigenc_is_mbc_newline_0x0a,
56   onigenc_single_byte_mbc_to_code,
57   onigenc_single_byte_code_to_mbclen,
58   onigenc_single_byte_code_to_mbc,
59   onigenc_ascii_mbc_to_normalize,
60   onigenc_ascii_is_mbc_ambiguous,
61   onigenc_ascii_get_all_pair_ambig_codes,
62   onigenc_nothing_get_all_comp_ambig_codes,
63   ascii_is_code_ctype,
64   onigenc_not_support_get_ctype_code_range,
65   onigenc_single_byte_left_adjust_char_head,
66   onigenc_always_true_is_allowed_reverse_match
67 };
68