1 /**********************************************************************
2 regsyntax.c - Oniguruma (regular expression library)
3 **********************************************************************/
4 /*-
5 * Copyright (c) 2002-2019 K.Kosako
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 OnigSyntaxType OnigSyntaxASIS = {
33 0
34 , ONIG_SYN_OP2_INEFFECTIVE_ESCAPE
35 , 0
36 , ONIG_OPTION_NONE
37 ,
38 {
39 (OnigCodePoint )'\\' /* esc */
40 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar '.' */
41 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anytime '*' */
42 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* zero or one time '?' */
43 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* one or more time '+' */
44 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar anytime */
45 }
46 };
47
48 OnigSyntaxType OnigSyntaxPosixBasic = {
49 ( SYN_POSIX_COMMON_OP | ONIG_SYN_OP_ESC_LPAREN_SUBEXP |
50 ONIG_SYN_OP_ESC_BRACE_INTERVAL )
51 , 0
52 , 0
53 , ( ONIG_OPTION_SINGLELINE | ONIG_OPTION_MULTILINE )
54 ,
55 {
56 (OnigCodePoint )'\\' /* esc */
57 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar '.' */
58 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anytime '*' */
59 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* zero or one time '?' */
60 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* one or more time '+' */
61 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar anytime */
62 }
63 };
64
65 OnigSyntaxType OnigSyntaxPosixExtended = {
66 ( SYN_POSIX_COMMON_OP | ONIG_SYN_OP_LPAREN_SUBEXP |
67 ONIG_SYN_OP_BRACE_INTERVAL |
68 ONIG_SYN_OP_PLUS_ONE_INF | ONIG_SYN_OP_QMARK_ZERO_ONE | ONIG_SYN_OP_VBAR_ALT )
69 , 0
70 , ( ONIG_SYN_CONTEXT_INDEP_ANCHORS |
71 ONIG_SYN_CONTEXT_INDEP_REPEAT_OPS | ONIG_SYN_CONTEXT_INVALID_REPEAT_OPS |
72 ONIG_SYN_ALLOW_UNMATCHED_CLOSE_SUBEXP |
73 ONIG_SYN_ALLOW_DOUBLE_RANGE_OP_IN_CC )
74 , ( ONIG_OPTION_SINGLELINE | ONIG_OPTION_MULTILINE )
75 ,
76 {
77 (OnigCodePoint )'\\' /* esc */
78 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar '.' */
79 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anytime '*' */
80 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* zero or one time '?' */
81 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* one or more time '+' */
82 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar anytime */
83 }
84 };
85
86 OnigSyntaxType OnigSyntaxEmacs = {
87 ( ONIG_SYN_OP_DOT_ANYCHAR | ONIG_SYN_OP_BRACKET_CC |
88 ONIG_SYN_OP_ESC_BRACE_INTERVAL |
89 ONIG_SYN_OP_ESC_LPAREN_SUBEXP | ONIG_SYN_OP_ESC_VBAR_ALT |
90 ONIG_SYN_OP_ASTERISK_ZERO_INF | ONIG_SYN_OP_PLUS_ONE_INF |
91 ONIG_SYN_OP_QMARK_ZERO_ONE | ONIG_SYN_OP_DECIMAL_BACKREF |
92 ONIG_SYN_OP_LINE_ANCHOR | ONIG_SYN_OP_ESC_CONTROL_CHARS )
93 , ONIG_SYN_OP2_ESC_GNU_BUF_ANCHOR
94 , ONIG_SYN_ALLOW_EMPTY_RANGE_IN_CC
95 , ONIG_OPTION_NONE
96 ,
97 {
98 (OnigCodePoint )'\\' /* esc */
99 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar '.' */
100 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anytime '*' */
101 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* zero or one time '?' */
102 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* one or more time '+' */
103 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar anytime */
104 }
105 };
106
107 OnigSyntaxType OnigSyntaxGrep = {
108 ( ONIG_SYN_OP_DOT_ANYCHAR | ONIG_SYN_OP_BRACKET_CC | ONIG_SYN_OP_POSIX_BRACKET |
109 ONIG_SYN_OP_ESC_BRACE_INTERVAL | ONIG_SYN_OP_ESC_LPAREN_SUBEXP |
110 ONIG_SYN_OP_ESC_VBAR_ALT |
111 ONIG_SYN_OP_ASTERISK_ZERO_INF | ONIG_SYN_OP_ESC_PLUS_ONE_INF |
112 ONIG_SYN_OP_ESC_QMARK_ZERO_ONE | ONIG_SYN_OP_LINE_ANCHOR |
113 ONIG_SYN_OP_ESC_W_WORD | ONIG_SYN_OP_ESC_B_WORD_BOUND |
114 ONIG_SYN_OP_ESC_LTGT_WORD_BEGIN_END | ONIG_SYN_OP_DECIMAL_BACKREF )
115 , 0
116 , ( ONIG_SYN_ALLOW_EMPTY_RANGE_IN_CC | ONIG_SYN_NOT_NEWLINE_IN_NEGATIVE_CC )
117 , ONIG_OPTION_NONE
118 ,
119 {
120 (OnigCodePoint )'\\' /* esc */
121 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar '.' */
122 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anytime '*' */
123 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* zero or one time '?' */
124 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* one or more time '+' */
125 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar anytime */
126 }
127 };
128
129 OnigSyntaxType OnigSyntaxGnuRegex = {
130 SYN_GNU_REGEX_OP
131 , 0
132 , SYN_GNU_REGEX_BV
133 , ONIG_OPTION_NONE
134 ,
135 {
136 (OnigCodePoint )'\\' /* esc */
137 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar '.' */
138 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anytime '*' */
139 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* zero or one time '?' */
140 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* one or more time '+' */
141 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar anytime */
142 }
143 };
144
145 OnigSyntaxType OnigSyntaxJava = {
146 (( SYN_GNU_REGEX_OP | ONIG_SYN_OP_QMARK_NON_GREEDY |
147 ONIG_SYN_OP_ESC_CONTROL_CHARS | ONIG_SYN_OP_ESC_C_CONTROL |
148 ONIG_SYN_OP_ESC_OCTAL3 | ONIG_SYN_OP_ESC_X_HEX2 )
149 & ~ONIG_SYN_OP_ESC_LTGT_WORD_BEGIN_END )
150 , ( ONIG_SYN_OP2_ESC_CAPITAL_Q_QUOTE | ONIG_SYN_OP2_QMARK_GROUP_EFFECT |
151 ONIG_SYN_OP2_OPTION_PERL | ONIG_SYN_OP2_PLUS_POSSESSIVE_REPEAT |
152 ONIG_SYN_OP2_PLUS_POSSESSIVE_INTERVAL | ONIG_SYN_OP2_CCLASS_SET_OP |
153 ONIG_SYN_OP2_ESC_V_VTAB | ONIG_SYN_OP2_ESC_U_HEX4 |
154 ONIG_SYN_OP2_ESC_P_BRACE_CHAR_PROPERTY )
155 , ( SYN_GNU_REGEX_BV | ONIG_SYN_DIFFERENT_LEN_ALT_LOOK_BEHIND )
156 , ONIG_OPTION_SINGLELINE
157 ,
158 {
159 (OnigCodePoint )'\\' /* esc */
160 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar '.' */
161 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anytime '*' */
162 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* zero or one time '?' */
163 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* one or more time '+' */
164 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar anytime */
165 }
166 };
167
168 OnigSyntaxType OnigSyntaxPerl = {
169 (( SYN_GNU_REGEX_OP | ONIG_SYN_OP_QMARK_NON_GREEDY |
170 ONIG_SYN_OP_ESC_OCTAL3 | ONIG_SYN_OP_ESC_X_HEX2 |
171 ONIG_SYN_OP_ESC_X_BRACE_HEX8 | ONIG_SYN_OP_ESC_O_BRACE_OCTAL |
172 ONIG_SYN_OP_ESC_CONTROL_CHARS |
173 ONIG_SYN_OP_ESC_C_CONTROL )
174 & ~ONIG_SYN_OP_ESC_LTGT_WORD_BEGIN_END )
175 , ( ONIG_SYN_OP2_ESC_CAPITAL_Q_QUOTE |
176 ONIG_SYN_OP2_QMARK_GROUP_EFFECT | ONIG_SYN_OP2_OPTION_PERL |
177 ONIG_SYN_OP2_PLUS_POSSESSIVE_REPEAT | ONIG_SYN_OP2_PLUS_POSSESSIVE_INTERVAL |
178 ONIG_SYN_OP2_QMARK_LPAREN_IF_ELSE |
179 ONIG_SYN_OP2_QMARK_TILDE_ABSENT_GROUP |
180 ONIG_SYN_OP2_QMARK_BRACE_CALLOUT_CONTENTS |
181 ONIG_SYN_OP2_ASTERISK_CALLOUT_NAME |
182 ONIG_SYN_OP2_ESC_X_Y_TEXT_SEGMENT |
183 ONIG_SYN_OP2_ESC_P_BRACE_CHAR_PROPERTY |
184 ONIG_SYN_OP2_ESC_P_BRACE_CIRCUMFLEX_NOT |
185 ONIG_SYN_OP2_ESC_CAPITAL_K_KEEP |
186 ONIG_SYN_OP2_ESC_CAPITAL_R_GENERAL_NEWLINE |
187 ONIG_SYN_OP2_ESC_CAPITAL_N_O_SUPER_DOT )
188 , SYN_GNU_REGEX_BV
189 , ONIG_OPTION_SINGLELINE
190 ,
191 {
192 (OnigCodePoint )'\\' /* esc */
193 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar '.' */
194 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anytime '*' */
195 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* zero or one time '?' */
196 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* one or more time '+' */
197 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar anytime */
198 }
199 };
200
201 /* Perl + named group */
202 OnigSyntaxType OnigSyntaxPerl_NG = {
203 (( SYN_GNU_REGEX_OP | ONIG_SYN_OP_QMARK_NON_GREEDY |
204 ONIG_SYN_OP_ESC_OCTAL3 | ONIG_SYN_OP_ESC_X_HEX2 |
205 ONIG_SYN_OP_ESC_X_BRACE_HEX8 | ONIG_SYN_OP_ESC_O_BRACE_OCTAL |
206 ONIG_SYN_OP_ESC_CONTROL_CHARS |
207 ONIG_SYN_OP_ESC_C_CONTROL )
208 & ~ONIG_SYN_OP_ESC_LTGT_WORD_BEGIN_END )
209 , ( ONIG_SYN_OP2_ESC_CAPITAL_Q_QUOTE |
210 ONIG_SYN_OP2_QMARK_GROUP_EFFECT | ONIG_SYN_OP2_OPTION_PERL |
211 ONIG_SYN_OP2_PLUS_POSSESSIVE_REPEAT | ONIG_SYN_OP2_PLUS_POSSESSIVE_INTERVAL |
212 ONIG_SYN_OP2_QMARK_LPAREN_IF_ELSE |
213 ONIG_SYN_OP2_QMARK_TILDE_ABSENT_GROUP |
214 ONIG_SYN_OP2_QMARK_BRACE_CALLOUT_CONTENTS |
215 ONIG_SYN_OP2_ASTERISK_CALLOUT_NAME |
216 ONIG_SYN_OP2_ESC_X_Y_TEXT_SEGMENT |
217 ONIG_SYN_OP2_ESC_P_BRACE_CHAR_PROPERTY |
218 ONIG_SYN_OP2_ESC_P_BRACE_CIRCUMFLEX_NOT |
219 ONIG_SYN_OP2_QMARK_LT_NAMED_GROUP |
220 ONIG_SYN_OP2_ESC_K_NAMED_BACKREF |
221 ONIG_SYN_OP2_ESC_G_SUBEXP_CALL |
222 ONIG_SYN_OP2_ESC_CAPITAL_K_KEEP |
223 ONIG_SYN_OP2_ESC_CAPITAL_R_GENERAL_NEWLINE |
224 ONIG_SYN_OP2_ESC_CAPITAL_N_O_SUPER_DOT |
225 ONIG_SYN_OP2_QMARK_PERL_SUBEXP_CALL )
226 , ( SYN_GNU_REGEX_BV |
227 ONIG_SYN_CAPTURE_ONLY_NAMED_GROUP |
228 ONIG_SYN_ALLOW_MULTIPLEX_DEFINITION_NAME )
229 , ONIG_OPTION_SINGLELINE
230 ,
231 {
232 (OnigCodePoint )'\\' /* esc */
233 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar '.' */
234 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anytime '*' */
235 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* zero or one time '?' */
236 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* one or more time '+' */
237 , (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar anytime */
238 }
239 };
240
241
242
243 extern int
onig_set_default_syntax(OnigSyntaxType * syntax)244 onig_set_default_syntax(OnigSyntaxType* syntax)
245 {
246 if (IS_NULL(syntax))
247 syntax = ONIG_SYNTAX_ONIGURUMA;
248
249 OnigDefaultSyntax = syntax;
250 return 0;
251 }
252
253 extern void
onig_copy_syntax(OnigSyntaxType * to,OnigSyntaxType * from)254 onig_copy_syntax(OnigSyntaxType* to, OnigSyntaxType* from)
255 {
256 *to = *from;
257 }
258
259 extern void
onig_set_syntax_op(OnigSyntaxType * syntax,unsigned int op)260 onig_set_syntax_op(OnigSyntaxType* syntax, unsigned int op)
261 {
262 syntax->op = op;
263 }
264
265 extern void
onig_set_syntax_op2(OnigSyntaxType * syntax,unsigned int op2)266 onig_set_syntax_op2(OnigSyntaxType* syntax, unsigned int op2)
267 {
268 syntax->op2 = op2;
269 }
270
271 extern void
onig_set_syntax_behavior(OnigSyntaxType * syntax,unsigned int behavior)272 onig_set_syntax_behavior(OnigSyntaxType* syntax, unsigned int behavior)
273 {
274 syntax->behavior = behavior;
275 }
276
277 extern void
onig_set_syntax_options(OnigSyntaxType * syntax,OnigOptionType options)278 onig_set_syntax_options(OnigSyntaxType* syntax, OnigOptionType options)
279 {
280 syntax->options = options;
281 }
282
283 extern unsigned int
onig_get_syntax_op(OnigSyntaxType * syntax)284 onig_get_syntax_op(OnigSyntaxType* syntax)
285 {
286 return syntax->op;
287 }
288
289 extern unsigned int
onig_get_syntax_op2(OnigSyntaxType * syntax)290 onig_get_syntax_op2(OnigSyntaxType* syntax)
291 {
292 return syntax->op2;
293 }
294
295 extern unsigned int
onig_get_syntax_behavior(OnigSyntaxType * syntax)296 onig_get_syntax_behavior(OnigSyntaxType* syntax)
297 {
298 return syntax->behavior;
299 }
300
301 extern OnigOptionType
onig_get_syntax_options(OnigSyntaxType * syntax)302 onig_get_syntax_options(OnigSyntaxType* syntax)
303 {
304 return syntax->options;
305 }
306
307 #ifdef USE_VARIABLE_META_CHARS
onig_set_meta_char(OnigSyntaxType * enc,unsigned int what,OnigCodePoint code)308 extern int onig_set_meta_char(OnigSyntaxType* enc,
309 unsigned int what, OnigCodePoint code)
310 {
311 switch (what) {
312 case ONIG_META_CHAR_ESCAPE:
313 enc->meta_char_table.esc = code;
314 break;
315 case ONIG_META_CHAR_ANYCHAR:
316 enc->meta_char_table.anychar = code;
317 break;
318 case ONIG_META_CHAR_ANYTIME:
319 enc->meta_char_table.anytime = code;
320 break;
321 case ONIG_META_CHAR_ZERO_OR_ONE_TIME:
322 enc->meta_char_table.zero_or_one_time = code;
323 break;
324 case ONIG_META_CHAR_ONE_OR_MORE_TIME:
325 enc->meta_char_table.one_or_more_time = code;
326 break;
327 case ONIG_META_CHAR_ANYCHAR_ANYTIME:
328 enc->meta_char_table.anychar_anytime = code;
329 break;
330 default:
331 return ONIGERR_INVALID_ARGUMENT;
332 break;
333 }
334 return 0;
335 }
336 #endif /* USE_VARIABLE_META_CHARS */
337
