/[pcre]/code/trunk/pcre_compile.c
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revision 230 by ph10, Mon Sep 10 13:23:56 2007 UTC revision 231 by ph10, Tue Sep 11 11:15:33 2007 UTC
# Line 2975  for (;; ptr++) Line 2975  for (;; ptr++)
2975          }          }
2976    
2977        oldptr = ptr;        oldptr = ptr;
2978    
2979        /* Remember \r or \n */        /* Remember \r or \n */
2980    
2981        if (c == '\r' || c == '\n') cd->external_flags |= PCRE_HASCRORLF;        if (c == '\r' || c == '\n') cd->external_flags |= PCRE_HASCRORLF;
2982    
2983        /* Check for range */        /* Check for range */
2984    
2985        if (!inescq && ptr[1] == '-')        if (!inescq && ptr[1] == '-')
# Line 3050  for (;; ptr++) Line 3050  for (;; ptr++)
3050          if (d == c) goto LONE_SINGLE_CHARACTER;  /* A few lines below */          if (d == c) goto LONE_SINGLE_CHARACTER;  /* A few lines below */
3051    
3052          /* Remember \r or \n */          /* Remember \r or \n */
3053    
3054          if (d == '\r' || d == '\n') cd->external_flags |= PCRE_HASCRORLF;          if (d == '\r' || d == '\n') cd->external_flags |= PCRE_HASCRORLF;
3055    
3056          /* In UTF-8 mode, if the upper limit is > 255, or > 127 for caseless          /* In UTF-8 mode, if the upper limit is > 255, or > 127 for caseless
3057          matching, we have to use an XCLASS with extra data items. Caseless          matching, we have to use an XCLASS with extra data items. Caseless
3058          matching for characters > 127 is available only if UCP support is          matching for characters > 127 is available only if UCP support is
# Line 3157  for (;; ptr++) Line 3157  for (;; ptr++)
3157        apparent range that isn't. */        apparent range that isn't. */
3158    
3159        LONE_SINGLE_CHARACTER:        LONE_SINGLE_CHARACTER:
3160    
3161        /* Handle a character that cannot go in the bit map */        /* Handle a character that cannot go in the bit map */
3162    
3163  #ifdef SUPPORT_UTF8  #ifdef SUPPORT_UTF8
# Line 3205  for (;; ptr++) Line 3205  for (;; ptr++)
3205        *errorcodeptr = ERR6;        *errorcodeptr = ERR6;
3206        goto FAILED;        goto FAILED;
3207        }        }
3208    
3209    
3210  /* This code has been disabled because it would mean that \s counts as  /* This code has been disabled because it would mean that \s counts as
3211  an explicit \r or \n reference, and that's not really what is wanted. Now  an explicit \r or \n reference, and that's not really what is wanted. Now
3212  we set the flag only if there is a literal "\r" or "\n" in the class. */  we set the flag only if there is a literal "\r" or "\n" in the class. */
# Line 3223  we set the flag only if there is a liter Line 3223  we set the flag only if there is a liter
3223        if ((classbits[1] & 0x24) != 0) cd->external_flags |= PCRE_HASCRORLF;        if ((classbits[1] & 0x24) != 0) cd->external_flags |= PCRE_HASCRORLF;
3224        }        }
3225  #endif  #endif
3226    
3227    
3228      /* If class_charcount is 1, we saw precisely one character whose value is      /* If class_charcount is 1, we saw precisely one character whose value is
3229      less than 256. As long as there were no characters >= 128 and there was no      less than 256. As long as there were no characters >= 128 and there was no
# Line 5763  cd->fcc = tables + fcc_offset; Line 5763  cd->fcc = tables + fcc_offset;
5763  cd->cbits = tables + cbits_offset;  cd->cbits = tables + cbits_offset;
5764  cd->ctypes = tables + ctypes_offset;  cd->ctypes = tables + ctypes_offset;
5765    
5766  /* Check for newline settings at the start of the pattern, and remember the  /* Check for global one-time settings at the start of the pattern, and remember
5767  offset for later. */  the offset for later. */
5768    
5769  if (ptr[0] == '(' && ptr[1] == '*')  while (ptr[skipatstart] == '(' && ptr[skipatstart+1] == '*')
5770    {    {
5771    int newnl = 0;    int newnl = 0;
5772    if (strncmp((char *)(ptr+2), "CR)", 3) == 0)    int newbsr = 0;
5773      { skipatstart = 5; newnl = PCRE_NEWLINE_CR; }  
5774    else if (strncmp((char *)(ptr+2), "LF)", 3)  == 0)    if (strncmp((char *)(ptr+skipatstart+2), "CR)", 3) == 0)
5775      { skipatstart = 5; newnl = PCRE_NEWLINE_LF; }      { skipatstart += 5; newnl = PCRE_NEWLINE_CR; }
5776    else if (strncmp((char *)(ptr+2), "CRLF)", 5)  == 0)    else if (strncmp((char *)(ptr+skipatstart+2), "LF)", 3)  == 0)
5777      { skipatstart = 7; newnl = PCRE_NEWLINE_CR + PCRE_NEWLINE_LF; }      { skipatstart += 5; newnl = PCRE_NEWLINE_LF; }
5778    else if (strncmp((char *)(ptr+2), "ANY)", 4) == 0)    else if (strncmp((char *)(ptr+skipatstart+2), "CRLF)", 5)  == 0)
5779      { skipatstart = 6; newnl = PCRE_NEWLINE_ANY; }      { skipatstart += 7; newnl = PCRE_NEWLINE_CR + PCRE_NEWLINE_LF; }
5780    else if (strncmp((char *)(ptr+2), "ANYCRLF)", 8)  == 0)    else if (strncmp((char *)(ptr+skipatstart+2), "ANY)", 4) == 0)
5781      { skipatstart = 10; newnl = PCRE_NEWLINE_ANYCRLF; }      { skipatstart += 6; newnl = PCRE_NEWLINE_ANY; }
5782    if (skipatstart > 0)    else if (strncmp((char *)(ptr+skipatstart+2), "ANYCRLF)", 8)  == 0)
5783        { skipatstart += 10; newnl = PCRE_NEWLINE_ANYCRLF; }
5784    
5785      else if (strncmp((char *)(ptr+skipatstart+2), "BSR_ANYCRLF)", 12) == 0)
5786        { skipatstart += 14; newbsr = PCRE_BSR_ANYCRLF; }
5787      else if (strncmp((char *)(ptr+skipatstart+2), "BSR_UNICODE)", 12) == 0)
5788        { skipatstart += 14; newbsr = PCRE_BSR_UNICODE; }
5789    
5790      if (newnl != 0)
5791      options = (options & ~PCRE_NEWLINE_BITS) | newnl;      options = (options & ~PCRE_NEWLINE_BITS) | newnl;
5792      else if (newbsr != 0)
5793        options = (options & ~(PCRE_BSR_ANYCRLF|PCRE_BSR_UNICODE)) | newbsr;
5794      else break;
5795      }
5796    
5797    /* Check validity of \R options. */
5798    
5799    switch (options & (PCRE_BSR_ANYCRLF|PCRE_BSR_UNICODE))
5800      {
5801      case 0:
5802      case PCRE_BSR_ANYCRLF:
5803      case PCRE_BSR_UNICODE:
5804      break;
5805      default: errorcode = ERR56; goto PCRE_EARLY_ERROR_RETURN;
5806    }    }
5807    
5808  /* Handle different types of newline. The three bits give seven cases. The  /* Handle different types of newline. The three bits give seven cases. The
# Line 5892  if (re == NULL) Line 5914  if (re == NULL)
5914    goto PCRE_EARLY_ERROR_RETURN;    goto PCRE_EARLY_ERROR_RETURN;
5915    }    }
5916    
5917  /* Put in the magic number, and save the sizes, initial options, internal  /* Put in the magic number, and save the sizes, initial options, internal
5918  flags, and character table pointer. NULL is used for the default character  flags, and character table pointer. NULL is used for the default character
5919  tables. The nullpad field is at the end; it's there to help in the case when a  tables. The nullpad field is at the end; it's there to help in the case when a
5920  regex compiled on a system with 4-byte pointers is run on another with 8-byte  regex compiled on a system with 4-byte pointers is run on another with 8-byte
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  Added in v.231
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