MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regerror.c

   1 /**********************************************************************
   2   regerror.c -  Oniguruma (regular expression library)
   3 **********************************************************************/
   4 /*-
   5  * Copyright (c) 2002-2018  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 #if 0
  32 #include <stdio.h> /* for vsnprintf() */
  33
  34 #ifdef HAVE_STDARG_PROTOTYPES
  35 #include <stdarg.h>
  36 #define va_init_list(a,b) va_start(a,b)
  37 #else
  38 #include <varargs.h>
  39 #define va_init_list(a,b) va_start(a)
  40 #endif
  41 #endif
  42
  43 extern UChar*
  44 onig_error_code_to_format(int code)
  45 {
  46   char *p;
  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 ONIG_ABORT:
  54     p = "abort"; break;
  55   case ONIGERR_MEMORY:
  56     p = "fail to memory allocation"; break;
  57   case ONIGERR_MATCH_STACK_LIMIT_OVER:
  58     p = "match-stack limit over"; break;
  59   case ONIGERR_PARSE_DEPTH_LIMIT_OVER:
  60     p = "parse depth limit over"; break;
  61   case ONIGERR_RETRY_LIMIT_IN_MATCH_OVER:
  62     p = "retry-limit-in-match over"; break;
  63   case ONIGERR_TYPE_BUG:
  64     p = "undefined type (bug)"; break;
  65   case ONIGERR_PARSER_BUG:
  66     p = "internal parser error (bug)"; break;
  67   case ONIGERR_STACK_BUG:
  68     p = "stack error (bug)"; break;
  69   case ONIGERR_UNDEFINED_BYTECODE:
  70     p = "undefined bytecode (bug)"; break;
  71   case ONIGERR_UNEXPECTED_BYTECODE:
  72     p = "unexpected bytecode (bug)"; break;
  73   case ONIGERR_DEFAULT_ENCODING_IS_NOT_SETTED:
  74     p = "default multibyte-encoding is not setted"; break;
  75   case ONIGERR_SPECIFIED_ENCODING_CANT_CONVERT_TO_WIDE_CHAR:
  76     p = "can't convert to wide-char on specified multibyte-encoding"; break;
  77   case ONIGERR_FAIL_TO_INITIALIZE:
  78     p = "fail to initialize"; break;
  79   case ONIGERR_INVALID_ARGUMENT:
  80     p = "invalid argument"; break;
  81   case ONIGERR_END_PATTERN_AT_LEFT_BRACE:
  82     p = "end pattern at left brace"; break;
  83   case ONIGERR_END_PATTERN_AT_LEFT_BRACKET:
  84     p = "end pattern at left bracket"; break;
  85   case ONIGERR_EMPTY_CHAR_CLASS:
  86     p = "empty char-class"; break;
  87   case ONIGERR_PREMATURE_END_OF_CHAR_CLASS:
  88     p = "premature end of char-class"; break;
  89   case ONIGERR_END_PATTERN_AT_ESCAPE:
  90     p = "end pattern at escape"; break;
  91   case ONIGERR_END_PATTERN_AT_META:
  92     p = "end pattern at meta"; break;
  93   case ONIGERR_END_PATTERN_AT_CONTROL:
  94     p = "end pattern at control"; break;
  95   case ONIGERR_META_CODE_SYNTAX:
  96     p = "invalid meta-code syntax"; break;
  97   case ONIGERR_CONTROL_CODE_SYNTAX:
  98     p = "invalid control-code syntax"; break;
  99   case ONIGERR_CHAR_CLASS_VALUE_AT_END_OF_RANGE:
 100     p = "char-class value at end of range"; break;
 101   case ONIGERR_CHAR_CLASS_VALUE_AT_START_OF_RANGE:
 102     p = "char-class value at start of range"; break;
 103   case ONIGERR_UNMATCHED_RANGE_SPECIFIER_IN_CHAR_CLASS:
 104     p = "unmatched range specifier in char-class"; break;
 105   case ONIGERR_TARGET_OF_REPEAT_OPERATOR_NOT_SPECIFIED:
 106     p = "target of repeat operator is not specified"; break;
 107   case ONIGERR_TARGET_OF_REPEAT_OPERATOR_INVALID:
 108     p = "target of repeat operator is invalid"; break;
 109   case ONIGERR_NESTED_REPEAT_OPERATOR:
 110     p = "nested repeat operator"; break;
 111   case ONIGERR_UNMATCHED_CLOSE_PARENTHESIS:
 112     p = "unmatched close parenthesis"; break;
 113   case ONIGERR_END_PATTERN_WITH_UNMATCHED_PARENTHESIS:
 114     p = "end pattern with unmatched parenthesis"; break;
 115   case ONIGERR_END_PATTERN_IN_GROUP:
 116     p = "end pattern in group"; break;
 117   case ONIGERR_UNDEFINED_GROUP_OPTION:
 118     p = "undefined group option"; break;
 119   case ONIGERR_INVALID_POSIX_BRACKET_TYPE:
 120     p = "invalid POSIX bracket type"; break;
 121   case ONIGERR_INVALID_LOOK_BEHIND_PATTERN:
 122     p = "invalid pattern in look-behind"; break;
 123   case ONIGERR_INVALID_REPEAT_RANGE_PATTERN:
 124     p = "invalid repeat range {lower,upper}"; break;
 125   case ONIGERR_TOO_BIG_NUMBER:
 126     p = "too big number"; break;
 127   case ONIGERR_TOO_BIG_NUMBER_FOR_REPEAT_RANGE:
 128     p = "too big number for repeat range"; break;
 129   case ONIGERR_UPPER_SMALLER_THAN_LOWER_IN_REPEAT_RANGE:
 130     p = "upper is smaller than lower in repeat range"; break;
 131   case ONIGERR_EMPTY_RANGE_IN_CHAR_CLASS:
 132     p = "empty range in char class"; break;
 133   case ONIGERR_MISMATCH_CODE_LENGTH_IN_CLASS_RANGE:
 134     p = "mismatch multibyte code length in char-class range"; break;
 135   case ONIGERR_TOO_MANY_MULTI_BYTE_RANGES:
 136     p = "too many multibyte code ranges are specified"; break;
 137   case ONIGERR_TOO_SHORT_MULTI_BYTE_STRING:
 138     p = "too short multibyte code string"; break;
 139   case ONIGERR_TOO_BIG_BACKREF_NUMBER:
 140     p = "too big backref number"; break;
 141   case ONIGERR_INVALID_BACKREF:
 142     p = "invalid backref number/name"; break;
 143   case ONIGERR_NUMBERED_BACKREF_OR_CALL_NOT_ALLOWED:
 144     p = "numbered backref/call is not allowed. (use name)"; break;
 145   case ONIGERR_TOO_MANY_CAPTURES:
 146     p = "too many captures"; break;
 147   case ONIGERR_TOO_BIG_WIDE_CHAR_VALUE:
 148     p = "too big wide-char value"; break;
 149   case ONIGERR_TOO_LONG_WIDE_CHAR_VALUE:
 150     p = "too long wide-char value"; break;
 151   case ONIGERR_INVALID_CODE_POINT_VALUE:
 152     p = "invalid code point value"; break;
 153   case ONIGERR_EMPTY_GROUP_NAME:
 154     p = "group name is empty"; break;
 155   case ONIGERR_INVALID_GROUP_NAME:
 156     p = "invalid group name <%n>"; break;
 157   case ONIGERR_INVALID_CHAR_IN_GROUP_NAME:
 158     p = "invalid char in group name <%n>"; break;
 159   case ONIGERR_UNDEFINED_NAME_REFERENCE:
 160     p = "undefined name <%n> reference"; break;
 161   case ONIGERR_UNDEFINED_GROUP_REFERENCE:
 162     p = "undefined group <%n> reference"; break;
 163   case ONIGERR_MULTIPLEX_DEFINED_NAME:
 164     p = "multiplex defined name <%n>"; break;
 165   case ONIGERR_MULTIPLEX_DEFINITION_NAME_CALL:
 166     p = "multiplex definition name <%n> call"; break;
 167   case ONIGERR_NEVER_ENDING_RECURSION:
 168     p = "never ending recursion"; break;
 169   case ONIGERR_GROUP_NUMBER_OVER_FOR_CAPTURE_HISTORY:
 170     p = "group number is too big for capture history"; break;
 171   case ONIGERR_INVALID_CHAR_PROPERTY_NAME:
 172     p = "invalid character property name {%n}"; break;
 173   case ONIGERR_INVALID_IF_ELSE_SYNTAX:
 174     p = "invalid if-else syntax"; break;
 175   case ONIGERR_INVALID_ABSENT_GROUP_PATTERN:
 176     p = "invalid absent group pattern"; break;
 177   case ONIGERR_INVALID_ABSENT_GROUP_GENERATOR_PATTERN:
 178     p = "invalid absent group generator pattern"; break;
 179   case ONIGERR_INVALID_CALLOUT_PATTERN:
 180     p = "invalid callout pattern"; break;
 181   case ONIGERR_INVALID_CALLOUT_NAME:
 182     p = "invalid callout name"; break;
 183   case ONIGERR_UNDEFINED_CALLOUT_NAME:
 184     p = "undefined callout name"; break;
 185   case ONIGERR_INVALID_CALLOUT_BODY:
 186     p = "invalid callout body"; break;
 187   case ONIGERR_INVALID_CALLOUT_TAG_NAME:
 188     p = "invalid callout tag name"; break;
 189   case ONIGERR_INVALID_CALLOUT_ARG:
 190     p = "invalid callout arg"; break;
 191   case ONIGERR_NOT_SUPPORTED_ENCODING_COMBINATION:
 192     p = "not supported encoding combination"; break;
 193   case ONIGERR_INVALID_COMBINATION_OF_OPTIONS:
 194     p = "invalid combination of options"; break;
 195   case ONIGERR_LIBRARY_IS_NOT_INITIALIZED:
 196     p = "library is not initialized"; break;
 197
 198   default:
 199     p = "undefined error code"; break;
 200   }
 201
 202   return (UChar* )p;
 203 }
 204
 205 static void sprint_byte(char* s, unsigned int v)
 206 {
 207   sprintf_s(s, sizeof("00"), "%02x", (v & 0377));
 208 }
 209
 210 static void sprint_byte_with_x(char* s, unsigned int v)
 211 {
 212   sprintf_s(s, sizeof("\\x00"), "\\x%02x", (v & 0377));
 213 }
 214
 215 static int to_ascii(OnigEncoding enc, UChar *s, UChar *end,
 216                     UChar buf[], int buf_size, int *is_over)
 217 {
 218   int len;
 219   UChar *p;
 220   OnigCodePoint code;
 221
 222   if (ONIGENC_MBC_MINLEN(enc) > 1) {
 223     p = s;
 224     len = 0;
 225     while (p < end) {
 226       code = ONIGENC_MBC_TO_CODE(enc, p, end);
 227       if (code >= 0x80) {
 228         if (code > 0xffff && len + 10 <= buf_size) {
 229           sprint_byte_with_x((char*)(&(buf[len])), (unsigned int)(code >> 24));
 230           sprint_byte((char*)(&(buf[len+4])),      (unsigned int)(code >> 16));
 231           sprint_byte((char*)(&(buf[len+6])),      (unsigned int)(code >>  8));
 232           sprint_byte((char*)(&(buf[len+8])),      (unsigned int)code);
 233           len += 10;
 234         }
 235         else if (len + 6 <= buf_size) {
 236           sprint_byte_with_x((char*)(&(buf[len])), (unsigned int)(code >> 8));
 237           sprint_byte((char*)(&(buf[len+4])),      (unsigned int)code);
 238           len += 6;
 239         }
 240         else {
 241           break;
 242         }
 243       }
 244       else {
 245         buf[len++] = (UChar )code;
 246       }
 247
 248       p += enclen(enc, p);
 249       if (len >= buf_size) break;
 250     }
 251
 252     *is_over = ((p < end) ? 1 : 0);
 253   }
 254   else {
 255     len = MIN((int )(end - s), buf_size);
 256     xmemcpy(buf, s, (size_t )len);
 257     *is_over = ((buf_size < (end - s)) ? 1 : 0);
 258   }
 259
 260   return len;
 261 }
 262
 263
 264 /* for ONIG_MAX_ERROR_MESSAGE_LEN */
 265 #define MAX_ERROR_PAR_LEN   30
 266
 267 extern int
 268 EFIAPI
 269 #ifdef HAVE_STDARG_PROTOTYPES
 270 onig_error_code_to_str(UChar* s, int code, ...)
 271 #else
 272 onig_error_code_to_str(s, code, va_alist)
 273   UChar* s;
 274   int code;
 275   va_dcl
 276 #endif
 277 {
 278   UChar *p, *q;
 279   OnigErrorInfo* einfo;
 280   int len, is_over;
 281   UChar parbuf[MAX_ERROR_PAR_LEN];
 282   va_list vargs;
 283
 284   va_init_list(vargs, code);
 285
 286   switch (code) {
 287   case ONIGERR_UNDEFINED_NAME_REFERENCE:
 288   case ONIGERR_UNDEFINED_GROUP_REFERENCE:
 289   case ONIGERR_MULTIPLEX_DEFINED_NAME:
 290   case ONIGERR_MULTIPLEX_DEFINITION_NAME_CALL:
 291   case ONIGERR_INVALID_GROUP_NAME:
 292   case ONIGERR_INVALID_CHAR_IN_GROUP_NAME:
 293   case ONIGERR_INVALID_CHAR_PROPERTY_NAME:
 294     einfo = va_arg(vargs, OnigErrorInfo*);
 295     len = to_ascii(einfo->enc, einfo->par, einfo->par_end,
 296                    parbuf, MAX_ERROR_PAR_LEN - 3, &is_over);
 297     q = onig_error_code_to_format(code);
 298     p = s;
 299     while (*q != '\0') {
 300       if (*q == '%') {
 301         q++;
 302         if (*q == 'n') { /* '%n': name */
 303           xmemcpy(p, parbuf, len);
 304           p += len;
 305           if (is_over != 0) {
 306             xmemcpy(p, "...", 3);
 307             p += 3;
 308           }
 309           q++;
 310         }
 311         else
 312           goto normal_char;
 313       }
 314       else {
 315       normal_char:
 316         *p++ = *q++;
 317       }
 318     }
 319     *p = '\0';
 320     len = (int )(p - s);
 321     break;
 322
 323   default:
 324     q = onig_error_code_to_format(code);
 325     len = onigenc_str_bytelen_null(ONIG_ENCODING_ASCII, q);
 326     xmemcpy(s, q, len);
 327     s[len] = '\0';
 328     break;
 329   }
 330
 331   va_end(vargs);
 332   return len;
 333 }
 334
 335
 336 void
 337 EFIAPI
 338 #ifdef HAVE_STDARG_PROTOTYPES
 339 onig_snprintf_with_pattern(UChar buf[], int bufsize, OnigEncoding enc,
 340                            UChar* pat, UChar* pat_end, const UChar *fmt, ...)
 341 #else
 342 onig_snprintf_with_pattern(buf, bufsize, enc, pat, pat_end, fmt, va_alist)
 343     UChar buf[];
 344     int bufsize;
 345     OnigEncoding enc;
 346     UChar* pat;
 347     UChar* pat_end;
 348     const UChar *fmt;
 349     va_dcl
 350 #endif
 351 {
 352   int n, need, len;
 353   UChar *p, *s, *bp;
 354   UChar bs[6];
 355   va_list args;
 356
 357   va_init_list(args, fmt);
 358   n = xvsnprintf((char* )buf, bufsize, (const char* )fmt, args);
 359   va_end(args);
 360
 361   need = (int )(pat_end - pat) * 4 + 4;
 362
 363   if (n + need < bufsize) {
 364     strcat_s((char* )buf, bufsize, ": /");
 365     s = buf + onigenc_str_bytelen_null(ONIG_ENCODING_ASCII, buf);
 366
 367     p = pat;
 368     while (p < pat_end) {
 369       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++;
 373         }
 374         else { /* for UTF16/32 */
 375           int blen;
 376
 377           while (len-- > 0) {
 378             sprint_byte_with_x((char* )bs, (unsigned int )(*p++));
 379             blen = onigenc_str_bytelen_null(ONIG_ENCODING_ASCII, bs);
 380             bp = bs;
 381             while (blen-- > 0) *s++ = *bp++;
 382           }
 383         }
 384       }
 385       else if (*p == '\\') {
 386         *s++ = *p++;
 387         len = enclen(enc, p);
 388         while (len-- > 0) *s++ = *p++;
 389       }
 390       else if (*p == '/') {
 391         *s++ = (unsigned char )'\\';
 392         *s++ = *p++;
 393       }
 394       else if (!ONIGENC_IS_CODE_PRINT(enc, *p) &&
 395                !ONIGENC_IS_CODE_SPACE(enc, *p)) {
 396         sprint_byte_with_x((char* )bs, (unsigned int )(*p++));
 397         len = onigenc_str_bytelen_null(ONIG_ENCODING_ASCII, bs);
 398         bp = bs;
 399         while (len-- > 0) *s++ = *bp++;
 400       }
 401       else {
 402         *s++ = *p++;
 403       }
 404     }
 405
 406     *s++ = '/';
 407     *s   = '\0';
 408   }
 409 }