Annotation of embedaddon/php/ext/mbstring/oniguruma/regerror.c, revision 1.1.1.1
1.1 misho 1: /**********************************************************************
2: regerror.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: #include <stdio.h> /* for vsnprintf() */
32:
33: #ifdef HAVE_STDARG_PROTOTYPES
34: #include <stdarg.h>
35: #define va_init_list(a,b) va_start(a,b)
36: #else
37: #include <varargs.h>
38: #define va_init_list(a,b) va_start(a)
39: #endif
40:
41: extern UChar*
42: onig_error_code_to_format(int code)
43: {
44: char *p;
45:
46: if (code >= 0) return (UChar* )0;
47:
48: switch (code) {
49: case ONIG_MISMATCH:
50: p = "mismatch"; break;
51: case ONIG_NO_SUPPORT_CONFIG:
52: p = "no support in this configuration"; break;
53: case ONIGERR_MEMORY:
54: p = "fail to memory allocation"; break;
55: case ONIGERR_MATCH_STACK_LIMIT_OVER:
56: p = "match-stack limit over"; break;
57: case ONIGERR_TYPE_BUG:
58: p = "undefined type (bug)"; break;
59: case ONIGERR_PARSER_BUG:
60: p = "internal parser error (bug)"; break;
61: case ONIGERR_STACK_BUG:
62: p = "stack error (bug)"; break;
63: case ONIGERR_UNDEFINED_BYTECODE:
64: p = "undefined bytecode (bug)"; break;
65: case ONIGERR_UNEXPECTED_BYTECODE:
66: p = "unexpected bytecode (bug)"; break;
67: case ONIGERR_DEFAULT_ENCODING_IS_NOT_SETTED:
68: p = "default multibyte-encoding is not setted"; break;
69: case ONIGERR_SPECIFIED_ENCODING_CANT_CONVERT_TO_WIDE_CHAR:
70: p = "can't convert to wide-char on specified multibyte-encoding"; break;
71: case ONIGERR_INVALID_ARGUMENT:
72: p = "invalid argument"; break;
73: case ONIGERR_END_PATTERN_AT_LEFT_BRACE:
74: p = "end pattern at left brace"; break;
75: case ONIGERR_END_PATTERN_AT_LEFT_BRACKET:
76: p = "end pattern at left bracket"; break;
77: case ONIGERR_EMPTY_CHAR_CLASS:
78: p = "empty char-class"; break;
79: case ONIGERR_PREMATURE_END_OF_CHAR_CLASS:
80: p = "premature end of char-class"; break;
81: case ONIGERR_END_PATTERN_AT_ESCAPE:
82: p = "end pattern at escape"; break;
83: case ONIGERR_END_PATTERN_AT_META:
84: p = "end pattern at meta"; break;
85: case ONIGERR_END_PATTERN_AT_CONTROL:
86: p = "end pattern at control"; break;
87: case ONIGERR_META_CODE_SYNTAX:
88: p = "illegal meta-code syntax"; break;
89: case ONIGERR_CONTROL_CODE_SYNTAX:
90: p = "illegal control-code syntax"; break;
91: case ONIGERR_CHAR_CLASS_VALUE_AT_END_OF_RANGE:
92: p = "char-class value at end of range"; break;
93: case ONIGERR_CHAR_CLASS_VALUE_AT_START_OF_RANGE:
94: p = "char-class value at start of range"; break;
95: case ONIGERR_UNMATCHED_RANGE_SPECIFIER_IN_CHAR_CLASS:
96: p = "unmatched range specifier in char-class"; break;
97: case ONIGERR_TARGET_OF_REPEAT_OPERATOR_NOT_SPECIFIED:
98: p = "target of repeat operator is not specified"; break;
99: case ONIGERR_TARGET_OF_REPEAT_OPERATOR_INVALID:
100: p = "target of repeat operator is invalid"; break;
101: case ONIGERR_NESTED_REPEAT_OPERATOR:
102: p = "nested repeat operator"; break;
103: case ONIGERR_UNMATCHED_CLOSE_PARENTHESIS:
104: p = "unmatched close parenthesis"; break;
105: case ONIGERR_END_PATTERN_WITH_UNMATCHED_PARENTHESIS:
106: p = "end pattern with unmatched parenthesis"; break;
107: case ONIGERR_END_PATTERN_IN_GROUP:
108: p = "end pattern in group"; break;
109: case ONIGERR_UNDEFINED_GROUP_OPTION:
110: p = "undefined group option"; break;
111: case ONIGERR_INVALID_POSIX_BRACKET_TYPE:
112: p = "invalid POSIX bracket type"; break;
113: case ONIGERR_INVALID_LOOK_BEHIND_PATTERN:
114: p = "invalid pattern in look-behind"; break;
115: case ONIGERR_INVALID_REPEAT_RANGE_PATTERN:
116: p = "invalid repeat range {lower,upper}"; break;
117: case ONIGERR_TOO_BIG_NUMBER:
118: p = "too big number"; break;
119: case ONIGERR_TOO_BIG_NUMBER_FOR_REPEAT_RANGE:
120: p = "too big number for repeat range"; break;
121: case ONIGERR_UPPER_SMALLER_THAN_LOWER_IN_REPEAT_RANGE:
122: p = "upper is smaller than lower in repeat range"; break;
123: case ONIGERR_EMPTY_RANGE_IN_CHAR_CLASS:
124: p = "empty range in char class"; break;
125: case ONIGERR_MISMATCH_CODE_LENGTH_IN_CLASS_RANGE:
126: p = "mismatch multibyte code length in char-class range"; break;
127: case ONIGERR_TOO_MANY_MULTI_BYTE_RANGES:
128: p = "too many multibyte code ranges are specified"; break;
129: case ONIGERR_TOO_SHORT_MULTI_BYTE_STRING:
130: p = "too short multibyte code string"; break;
131: case ONIGERR_TOO_BIG_BACKREF_NUMBER:
132: p = "too big backref number"; break;
133: case ONIGERR_INVALID_BACKREF:
134: #ifdef USE_NAMED_GROUP
135: p = "invalid backref number/name"; break;
136: #else
137: p = "invalid backref number"; break;
138: #endif
139: case ONIGERR_NUMBERED_BACKREF_OR_CALL_NOT_ALLOWED:
140: p = "numbered backref/call is not allowed. (use name)"; break;
141: case ONIGERR_TOO_BIG_WIDE_CHAR_VALUE:
142: p = "too big wide-char value"; break;
143: case ONIGERR_TOO_LONG_WIDE_CHAR_VALUE:
144: p = "too long wide-char value"; break;
145: case ONIGERR_INVALID_WIDE_CHAR_VALUE:
146: p = "invalid wide-char value"; break;
147: case ONIGERR_EMPTY_GROUP_NAME:
148: p = "group name is empty"; break;
149: case ONIGERR_INVALID_GROUP_NAME:
150: p = "invalid group name <%n>"; break;
151: case ONIGERR_INVALID_CHAR_IN_GROUP_NAME:
152: #ifdef USE_NAMED_GROUP
153: p = "invalid char in group name <%n>"; break;
154: #else
155: p = "invalid char in group number <%n>"; break;
156: #endif
157: case ONIGERR_UNDEFINED_NAME_REFERENCE:
158: p = "undefined name <%n> reference"; break;
159: case ONIGERR_UNDEFINED_GROUP_REFERENCE:
160: p = "undefined group <%n> reference"; break;
161: case ONIGERR_MULTIPLEX_DEFINED_NAME:
162: p = "multiplex defined name <%n>"; break;
163: case ONIGERR_MULTIPLEX_DEFINITION_NAME_CALL:
164: p = "multiplex definition name <%n> call"; break;
165: case ONIGERR_NEVER_ENDING_RECURSION:
166: p = "never ending recursion"; break;
167: case ONIGERR_GROUP_NUMBER_OVER_FOR_CAPTURE_HISTORY:
168: p = "group number is too big for capture history"; break;
169: case ONIGERR_INVALID_CHAR_PROPERTY_NAME:
170: p = "invalid character property name {%n}"; break;
171: case ONIGERR_NOT_SUPPORTED_ENCODING_COMBINATION:
172: p = "not supported encoding combination"; break;
173: case ONIGERR_INVALID_COMBINATION_OF_OPTIONS:
174: p = "invalid combination of options"; break;
175: case ONIGERR_OVER_THREAD_PASS_LIMIT_COUNT:
176: p = "over thread pass limit count"; break;
177:
178: default:
179: p = "undefined error code"; break;
180: }
181:
182: return (UChar* )p;
183: }
184:
185:
186: static int to_ascii(OnigEncoding enc, UChar *s, UChar *end,
187: UChar buf[], int buf_size, int *is_over)
188: {
189: int len;
190: UChar *p;
191: OnigCodePoint code;
192:
193: if (ONIGENC_MBC_MINLEN(enc) > 1) {
194: p = s;
195: len = 0;
196: while (p < end) {
197: code = ONIGENC_MBC_TO_CODE(enc, p, end);
198: if (code >= 0x80) {
199: if (len + 5 <= buf_size) {
200: sprintf((char* )(&(buf[len])), "\\%03o",
201: (unsigned int)(code & 0377));
202: len += 5;
203: }
204: else {
205: break;
206: }
207: }
208: else {
209: buf[len++] = (UChar )code;
210: }
211:
212: p += enc_len(enc, p);
213: if (len >= buf_size) break;
214: }
215:
216: *is_over = ((p < end) ? 1 : 0);
217: }
218: else {
219: len = MIN((end - s), buf_size);
220: xmemcpy(buf, s, (size_t )len);
221: *is_over = ((buf_size < (end - s)) ? 1 : 0);
222: }
223:
224: return len;
225: }
226:
227:
228: /* for ONIG_MAX_ERROR_MESSAGE_LEN */
229: #define MAX_ERROR_PAR_LEN 30
230:
231: extern int
232: #ifdef HAVE_STDARG_PROTOTYPES
233: onig_error_code_to_str(UChar* s, int code, ...)
234: #else
235: onig_error_code_to_str(s, code, va_alist)
236: UChar* s;
237: int code;
238: va_dcl
239: #endif
240: {
241: UChar *p, *q;
242: OnigErrorInfo* einfo;
243: int len, is_over;
244: UChar parbuf[MAX_ERROR_PAR_LEN];
245: va_list vargs;
246:
247: va_init_list(vargs, code);
248:
249: switch (code) {
250: case ONIGERR_UNDEFINED_NAME_REFERENCE:
251: case ONIGERR_UNDEFINED_GROUP_REFERENCE:
252: case ONIGERR_MULTIPLEX_DEFINED_NAME:
253: case ONIGERR_MULTIPLEX_DEFINITION_NAME_CALL:
254: case ONIGERR_INVALID_GROUP_NAME:
255: case ONIGERR_INVALID_CHAR_IN_GROUP_NAME:
256: case ONIGERR_INVALID_CHAR_PROPERTY_NAME:
257: einfo = va_arg(vargs, OnigErrorInfo*);
258: len = to_ascii(einfo->enc, einfo->par, einfo->par_end,
259: parbuf, MAX_ERROR_PAR_LEN - 3, &is_over);
260: q = onig_error_code_to_format(code);
261: p = s;
262: while (*q != '\0') {
263: if (*q == '%') {
264: q++;
265: if (*q == 'n') { /* '%n': name */
266: xmemcpy(p, parbuf, len);
267: p += len;
268: if (is_over != 0) {
269: xmemcpy(p, "...", 3);
270: p += 3;
271: }
272: q++;
273: }
274: else
275: goto normal_char;
276: }
277: else {
278: normal_char:
279: *p++ = *q++;
280: }
281: }
282: *p = '\0';
283: len = p - s;
284: break;
285:
286: default:
287: q = onig_error_code_to_format(code);
288: len = onigenc_str_bytelen_null(ONIG_ENCODING_ASCII, q);
289: xmemcpy(s, q, len);
290: s[len] = '\0';
291: break;
292: }
293:
294: va_end(vargs);
295: return len;
296: }
297:
298:
299: void
300: #ifdef HAVE_STDARG_PROTOTYPES
301: onig_snprintf_with_pattern(UChar buf[], int bufsize, OnigEncoding enc,
302: UChar* pat, UChar* pat_end, const UChar *fmt, ...)
303: #else
304: onig_snprintf_with_pattern(buf, bufsize, enc, pat, pat_end, fmt, va_alist)
305: UChar buf[];
306: int bufsize;
307: OnigEncoding enc;
308: UChar* pat;
309: UChar* pat_end;
310: const UChar *fmt;
311: va_dcl
312: #endif
313: {
314: int n, need, len;
315: UChar *p, *s, *bp;
316: UChar bs[6];
317: va_list args;
318:
319: va_init_list(args, fmt);
320: n = vsnprintf((char* )buf, bufsize, (const char* )fmt, args);
321: va_end(args);
322:
323: need = (pat_end - pat) * 4 + 4;
324:
325: if (n + need < bufsize) {
326: strcat((char* )buf, ": /");
327: s = buf + onigenc_str_bytelen_null(ONIG_ENCODING_ASCII, buf);
328:
329: p = pat;
330: while (p < pat_end) {
331: if (*p == MC_ESC(enc)) {
332: *s++ = *p++;
333: len = enc_len(enc, p);
334: while (len-- > 0) *s++ = *p++;
335: }
336: else if (*p == '/') {
337: *s++ = (unsigned char )MC_ESC(enc);
338: *s++ = *p++;
339: }
340: else if (ONIGENC_IS_MBC_HEAD(enc, p)) {
341: len = enc_len(enc, p);
342: if (ONIGENC_MBC_MINLEN(enc) == 1) {
343: while (len-- > 0) *s++ = *p++;
344: }
345: else { /* for UTF16 */
346: int blen;
347:
348: while (len-- > 0) {
349: sprintf((char* )bs, "\\%03o", *p++ & 0377);
350: blen = onigenc_str_bytelen_null(ONIG_ENCODING_ASCII, bs);
351: bp = bs;
352: while (blen-- > 0) *s++ = *bp++;
353: }
354: }
355: }
356: else if (!ONIGENC_IS_CODE_PRINT(enc, *p) &&
357: !ONIGENC_IS_CODE_SPACE(enc, *p)) {
358: sprintf((char* )bs, "\\%03o", *p++ & 0377);
359: len = onigenc_str_bytelen_null(ONIG_ENCODING_ASCII, bs);
360: bp = bs;
361: while (len-- > 0) *s++ = *bp++;
362: }
363: else {
364: *s++ = *p++;
365: }
366: }
367:
368: *s++ = '/';
369: *s = '\0';
370: }
371: }
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