1 /**********************************************************************
2 regerror.c - Oniguruma (regular expression library)
3 **********************************************************************/
5 * Copyright (c) 2002-2007 K.Kosako <sndgk393 AT ybb DOT ne DOT jp>
8 * (C) Copyright 2015 Hewlett Packard Enterprise Development LP<BR>
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 #define HAVE_STDARG_PROTOTYPES
37 #include <stdio.h> /* for vsnprintf() */
39 #ifdef HAVE_STDARG_PROTOTYPES
41 #define va_init_list(a,b) va_start(a,b)
44 #define va_init_list(a,b) va_start(a)
49 onig_error_code_to_format(int code
)
53 if (code
>= 0) return (UChar
* )0;
57 p
= "mismatch"; break;
58 case ONIG_NO_SUPPORT_CONFIG
:
59 p
= "no support in this configuration"; break;
61 p
= "fail to memory allocation"; break;
62 case ONIGERR_MATCH_STACK_LIMIT_OVER
:
63 p
= "match-stack limit over"; break;
64 case ONIGERR_TYPE_BUG
:
65 p
= "undefined type (bug)"; break;
66 case ONIGERR_PARSER_BUG
:
67 p
= "internal parser error (bug)"; break;
68 case ONIGERR_STACK_BUG
:
69 p
= "stack error (bug)"; break;
70 case ONIGERR_UNDEFINED_BYTECODE
:
71 p
= "undefined bytecode (bug)"; break;
72 case ONIGERR_UNEXPECTED_BYTECODE
:
73 p
= "unexpected bytecode (bug)"; break;
74 case ONIGERR_DEFAULT_ENCODING_IS_NOT_SETTED
:
75 p
= "default multibyte-encoding is not setted"; break;
76 case ONIGERR_SPECIFIED_ENCODING_CANT_CONVERT_TO_WIDE_CHAR
:
77 p
= "can't convert to wide-char on specified multibyte-encoding"; break;
78 case ONIGERR_INVALID_ARGUMENT
:
79 p
= "invalid argument"; break;
80 case ONIGERR_END_PATTERN_AT_LEFT_BRACE
:
81 p
= "end pattern at left brace"; break;
82 case ONIGERR_END_PATTERN_AT_LEFT_BRACKET
:
83 p
= "end pattern at left bracket"; break;
84 case ONIGERR_EMPTY_CHAR_CLASS
:
85 p
= "empty char-class"; break;
86 case ONIGERR_PREMATURE_END_OF_CHAR_CLASS
:
87 p
= "premature end of char-class"; break;
88 case ONIGERR_END_PATTERN_AT_ESCAPE
:
89 p
= "end pattern at escape"; break;
90 case ONIGERR_END_PATTERN_AT_META
:
91 p
= "end pattern at meta"; break;
92 case ONIGERR_END_PATTERN_AT_CONTROL
:
93 p
= "end pattern at control"; break;
94 case ONIGERR_META_CODE_SYNTAX
:
95 p
= "invalid meta-code syntax"; break;
96 case ONIGERR_CONTROL_CODE_SYNTAX
:
97 p
= "invalid control-code syntax"; break;
98 case ONIGERR_CHAR_CLASS_VALUE_AT_END_OF_RANGE
:
99 p
= "char-class value at end of range"; break;
100 case ONIGERR_CHAR_CLASS_VALUE_AT_START_OF_RANGE
:
101 p
= "char-class value at start of range"; break;
102 case ONIGERR_UNMATCHED_RANGE_SPECIFIER_IN_CHAR_CLASS
:
103 p
= "unmatched range specifier in char-class"; break;
104 case ONIGERR_TARGET_OF_REPEAT_OPERATOR_NOT_SPECIFIED
:
105 p
= "target of repeat operator is not specified"; break;
106 case ONIGERR_TARGET_OF_REPEAT_OPERATOR_INVALID
:
107 p
= "target of repeat operator is invalid"; break;
108 case ONIGERR_NESTED_REPEAT_OPERATOR
:
109 p
= "nested repeat operator"; break;
110 case ONIGERR_UNMATCHED_CLOSE_PARENTHESIS
:
111 p
= "unmatched close parenthesis"; break;
112 case ONIGERR_END_PATTERN_WITH_UNMATCHED_PARENTHESIS
:
113 p
= "end pattern with unmatched parenthesis"; break;
114 case ONIGERR_END_PATTERN_IN_GROUP
:
115 p
= "end pattern in group"; break;
116 case ONIGERR_UNDEFINED_GROUP_OPTION
:
117 p
= "undefined group option"; break;
118 case ONIGERR_INVALID_POSIX_BRACKET_TYPE
:
119 p
= "invalid POSIX bracket type"; break;
120 case ONIGERR_INVALID_LOOK_BEHIND_PATTERN
:
121 p
= "invalid pattern in look-behind"; break;
122 case ONIGERR_INVALID_REPEAT_RANGE_PATTERN
:
123 p
= "invalid repeat range {lower,upper}"; break;
124 case ONIGERR_TOO_BIG_NUMBER
:
125 p
= "too big number"; break;
126 case ONIGERR_TOO_BIG_NUMBER_FOR_REPEAT_RANGE
:
127 p
= "too big number for repeat range"; break;
128 case ONIGERR_UPPER_SMALLER_THAN_LOWER_IN_REPEAT_RANGE
:
129 p
= "upper is smaller than lower in repeat range"; break;
130 case ONIGERR_EMPTY_RANGE_IN_CHAR_CLASS
:
131 p
= "empty range in char class"; break;
132 case ONIGERR_MISMATCH_CODE_LENGTH_IN_CLASS_RANGE
:
133 p
= "mismatch multibyte code length in char-class range"; break;
134 case ONIGERR_TOO_MANY_MULTI_BYTE_RANGES
:
135 p
= "too many multibyte code ranges are specified"; break;
136 case ONIGERR_TOO_SHORT_MULTI_BYTE_STRING
:
137 p
= "too short multibyte code string"; break;
138 case ONIGERR_TOO_BIG_BACKREF_NUMBER
:
139 p
= "too big backref number"; break;
140 case ONIGERR_INVALID_BACKREF
:
141 #ifdef USE_NAMED_GROUP
142 p
= "invalid backref number/name"; break;
144 p
= "invalid backref number"; break;
146 case ONIGERR_NUMBERED_BACKREF_OR_CALL_NOT_ALLOWED
:
147 p
= "numbered backref/call is not allowed. (use name)"; break;
148 case ONIGERR_TOO_BIG_WIDE_CHAR_VALUE
:
149 p
= "too big wide-char value"; break;
150 case ONIGERR_TOO_LONG_WIDE_CHAR_VALUE
:
151 p
= "too long wide-char value"; break;
152 case ONIGERR_INVALID_CODE_POINT_VALUE
:
153 p
= "invalid code point value"; break;
154 case ONIGERR_EMPTY_GROUP_NAME
:
155 p
= "group name is empty"; break;
156 case ONIGERR_INVALID_GROUP_NAME
:
157 p
= "invalid group name <%n>"; break;
158 case ONIGERR_INVALID_CHAR_IN_GROUP_NAME
:
159 #ifdef USE_NAMED_GROUP
160 p
= "invalid char in group name <%n>"; break;
162 p
= "invalid char in group number <%n>"; break;
164 case ONIGERR_UNDEFINED_NAME_REFERENCE
:
165 p
= "undefined name <%n> reference"; break;
166 case ONIGERR_UNDEFINED_GROUP_REFERENCE
:
167 p
= "undefined group <%n> reference"; break;
168 case ONIGERR_MULTIPLEX_DEFINED_NAME
:
169 p
= "multiplex defined name <%n>"; break;
170 case ONIGERR_MULTIPLEX_DEFINITION_NAME_CALL
:
171 p
= "multiplex definition name <%n> call"; break;
172 case ONIGERR_NEVER_ENDING_RECURSION
:
173 p
= "never ending recursion"; break;
174 case ONIGERR_GROUP_NUMBER_OVER_FOR_CAPTURE_HISTORY
:
175 p
= "group number is too big for capture history"; break;
176 case ONIGERR_INVALID_CHAR_PROPERTY_NAME
:
177 p
= "invalid character property name {%n}"; break;
178 case ONIGERR_NOT_SUPPORTED_ENCODING_COMBINATION
:
179 p
= "not supported encoding combination"; break;
180 case ONIGERR_INVALID_COMBINATION_OF_OPTIONS
:
181 p
= "invalid combination of options"; break;
182 case ONIGERR_OVER_THREAD_PASS_LIMIT_COUNT
:
183 p
= "over thread pass limit count"; break;
186 p
= "undefined error code"; break;
192 static void sprint_byte(char* s
, unsigned int v
)
194 sprintf_s(s
, sizeof("00"), "%02x", (v
& 0377));
197 static void sprint_byte_with_x(char* s
, unsigned int v
)
199 sprintf_s(s
, sizeof("\\x00"), "\\x%02x", (v
& 0377));
202 static int to_ascii(OnigEncoding enc
, UChar
*s
, UChar
*end
,
203 UChar buf
[], int buf_size
, int *is_over
)
209 if (ONIGENC_MBC_MINLEN(enc
) > 1) {
213 code
= ONIGENC_MBC_TO_CODE(enc
, p
, end
);
215 if (code
> 0xffff && len
+ 10 <= buf_size
) {
216 sprint_byte_with_x((char*)(&(buf
[len
])), (unsigned int)(code
>> 24));
217 sprint_byte((char*)(&(buf
[len
+4])), (unsigned int)(code
>> 16));
218 sprint_byte((char*)(&(buf
[len
+6])), (unsigned int)(code
>> 8));
219 sprint_byte((char*)(&(buf
[len
+8])), (unsigned int)code
);
222 else if (len
+ 6 <= buf_size
) {
223 sprint_byte_with_x((char*)(&(buf
[len
])), (unsigned int)(code
>> 8));
224 sprint_byte((char*)(&(buf
[len
+4])), (unsigned int)code
);
232 buf
[len
++] = (UChar
)code
;
236 if (len
>= buf_size
) break;
239 *is_over
= ((p
< end
) ? 1 : 0);
242 len
= MIN((int)(end
- s
), buf_size
);
243 xmemcpy(buf
, s
, (size_t )len
);
244 *is_over
= ((buf_size
< (end
- s
)) ? 1 : 0);
251 /* for ONIG_MAX_ERROR_MESSAGE_LEN */
252 #define MAX_ERROR_PAR_LEN 30
256 #ifdef HAVE_STDARG_PROTOTYPES
257 onig_error_code_to_str(UChar
* s
, int code
, ...)
259 onig_error_code_to_str(s
, code
, va_alist
)
266 OnigErrorInfo
* einfo
;
268 UChar parbuf
[MAX_ERROR_PAR_LEN
];
271 va_init_list(vargs
, code
);
274 case ONIGERR_UNDEFINED_NAME_REFERENCE
:
275 case ONIGERR_UNDEFINED_GROUP_REFERENCE
:
276 case ONIGERR_MULTIPLEX_DEFINED_NAME
:
277 case ONIGERR_MULTIPLEX_DEFINITION_NAME_CALL
:
278 case ONIGERR_INVALID_GROUP_NAME
:
279 case ONIGERR_INVALID_CHAR_IN_GROUP_NAME
:
280 case ONIGERR_INVALID_CHAR_PROPERTY_NAME
:
281 einfo
= va_arg(vargs
, OnigErrorInfo
*);
282 len
= to_ascii(einfo
->enc
, einfo
->par
, einfo
->par_end
,
283 parbuf
, MAX_ERROR_PAR_LEN
- 3, &is_over
);
284 q
= onig_error_code_to_format(code
);
289 if (*q
== 'n') { /* '%n': name */
290 xmemcpy(p
, parbuf
, len
);
293 xmemcpy(p
, "...", 3);
311 q
= onig_error_code_to_format(code
);
316 len
= onigenc_str_bytelen_null(ONIG_ENCODING_ASCII
, q
);
329 #ifdef HAVE_STDARG_PROTOTYPES
330 onig_snprintf_with_pattern(UChar buf
[], int bufsize
, OnigEncoding enc
,
331 UChar
* pat
, UChar
* pat_end
, const UChar
*fmt
, ...)
333 onig_snprintf_with_pattern(buf
, bufsize
, enc
, pat
, pat_end
, fmt
, va_alist
)
348 va_init_list(args
, fmt
);
349 n
= xvsnprintf((char* )buf
, bufsize
, (const char* )fmt
, args
);
352 need
= (int)(pat_end
- pat
) * 4 + 4;
354 if (n
+ need
< bufsize
) {
355 strcat_s((char* )buf
, bufsize
, ": /");
356 s
= buf
+ onigenc_str_bytelen_null(ONIG_ENCODING_ASCII
, buf
);
359 while (p
< pat_end
) {
362 len
= enclen(enc
, p
);
363 while (len
-- > 0) *s
++ = *p
++;
365 else if (*p
== '/') {
366 *s
++ = (unsigned char )'\\';
369 else if (ONIGENC_IS_MBC_HEAD(enc
, p
)) {
370 len
= enclen(enc
, p
);
371 if (ONIGENC_MBC_MINLEN(enc
) == 1) {
372 while (len
-- > 0) *s
++ = *p
++;
374 else { /* for UTF16 */
378 sprint_byte_with_x((char* )bs
, (unsigned int )(*p
++));
379 blen
= onigenc_str_bytelen_null(ONIG_ENCODING_ASCII
, bs
);
381 while (blen
-- > 0) *s
++ = *bp
++;
385 else if (!ONIGENC_IS_CODE_PRINT(enc
, *p
) &&
386 !ONIGENC_IS_CODE_SPACE(enc
, *p
)) {
387 sprint_byte_with_x((char* )bs
, (unsigned int )(*p
++));
388 len
= onigenc_str_bytelen_null(ONIG_ENCODING_ASCII
, bs
);
390 while (len
-- > 0) *s
++ = *bp
++;