Annotation of embedaddon/php/ext/mbstring/oniguruma/reggnu.c, revision 1.1.1.1
1.1 misho 1: /**********************************************************************
2: reggnu.c - Oniguruma (regular expression library)
3: **********************************************************************/
4: /*-
5: * Copyright (c) 2002-2006 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 "regint.h"
31:
32: #ifndef ONIGGNU_H
33: #include "oniggnu.h"
34: #endif
35:
36: extern void
37: re_free_registers(OnigRegion* r)
38: {
39: /* 0: don't free self */
40: onig_region_free(r, 0);
41: }
42:
43: extern int
44: re_adjust_startpos(regex_t* reg, const char* string, int size,
45: int startpos, int range)
46: {
47: if (startpos > 0 && ONIGENC_MBC_MAXLEN(reg->enc) != 1 && startpos < size) {
48: UChar *p;
49: UChar *s = (UChar* )string + startpos;
50:
51: if (range > 0) {
52: p = onigenc_get_right_adjust_char_head(reg->enc, (UChar* )string, s);
53: }
54: else {
55: p = ONIGENC_LEFT_ADJUST_CHAR_HEAD(reg->enc, (UChar* )string, s);
56: }
57: return p - (UChar* )string;
58: }
59:
60: return startpos;
61: }
62:
63: extern int
64: re_match(regex_t* reg, const char* str, int size, int pos,
65: struct re_registers* regs)
66: {
67: return onig_match(reg, (UChar* )str, (UChar* )(str + size),
68: (UChar* )(str + pos), regs, ONIG_OPTION_NONE);
69: }
70:
71: extern int
72: re_search(regex_t* bufp, const char* string, int size, int startpos, int range,
73: struct re_registers* regs)
74: {
75: return onig_search(bufp, (UChar* )string, (UChar* )(string + size),
76: (UChar* )(string + startpos),
77: (UChar* )(string + startpos + range),
78: regs, ONIG_OPTION_NONE);
79: }
80:
81: extern int
82: re_compile_pattern(const char* pattern, int size, regex_t* reg, char* ebuf)
83: {
84: int r;
85: OnigErrorInfo einfo;
86:
87: r = onig_compile(reg, (UChar* )pattern, (UChar* )(pattern + size), &einfo);
88: if (r != 0) {
89: if (IS_NOT_NULL(ebuf))
90: (void )onig_error_code_to_str((UChar* )ebuf, r, &einfo);
91: }
92:
93: return r;
94: }
95:
96: #ifdef USE_RECOMPILE_API
97: extern int
98: re_recompile_pattern(const char* pattern, int size, regex_t* reg, char* ebuf)
99: {
100: int r;
101: OnigErrorInfo einfo;
102: OnigEncoding enc;
103:
104: /* I think encoding and options should be arguments of this function.
105: But this is adapted to present re.c. (2002/11/29)
106: */
107: enc = OnigEncDefaultCharEncoding;
108:
109: r = onig_recompile(reg, (UChar* )pattern, (UChar* )(pattern + size),
110: reg->options, enc, OnigDefaultSyntax, &einfo);
111: if (r != 0) {
112: if (IS_NOT_NULL(ebuf))
113: (void )onig_error_code_to_str((UChar* )ebuf, r, &einfo);
114: }
115: return r;
116: }
117: #endif
118:
119: extern void
120: re_free_pattern(regex_t* reg)
121: {
122: onig_free(reg);
123: }
124:
125: extern int
126: re_alloc_pattern(regex_t** reg)
127: {
128: return onig_alloc_init(reg, ONIG_OPTION_DEFAULT,
129: ONIGENC_AMBIGUOUS_MATCH_DEFAULT,
130: OnigEncDefaultCharEncoding,
131: OnigDefaultSyntax);
132: }
133:
134: extern void
135: re_set_casetable(const char* table)
136: {
137: onigenc_set_default_caseconv_table((UChar* )table);
138: }
139:
140: extern void
141: #ifdef ONIG_RUBY_M17N
142: re_mbcinit(OnigEncoding enc)
143: #else
144: re_mbcinit(int mb_code)
145: #endif
146: {
147: #ifdef ONIG_RUBY_M17N
148:
149: onigenc_set_default_encoding(enc);
150:
151: #else
152:
153: OnigEncoding enc;
154:
155: switch (mb_code) {
156: case RE_MBCTYPE_ASCII:
157: enc = ONIG_ENCODING_ASCII;
158: break;
159: case RE_MBCTYPE_EUC:
160: enc = ONIG_ENCODING_EUC_JP;
161: break;
162: case RE_MBCTYPE_SJIS:
163: enc = ONIG_ENCODING_SJIS;
164: break;
165: case RE_MBCTYPE_UTF8:
166: enc = ONIG_ENCODING_UTF8;
167: break;
168: default:
169: return ;
170: break;
171: }
172:
173: onigenc_set_default_encoding(enc);
174: #endif
175: }
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