/[pcre]/code/trunk/pcre_dfa_exec.c
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revision 93 by nigel, Sat Feb 24 21:41:42 2007 UTC revision 145 by ph10, Wed Apr 4 14:06:52 2007 UTC
# Line 6  Line 6 
6  and semantics are as close as possible to those of the Perl 5 language.  and semantics are as close as possible to those of the Perl 5 language.
7    
8                         Written by Philip Hazel                         Written by Philip Hazel
9             Copyright (c) 1997-2006 University of Cambridge             Copyright (c) 1997-2007 University of Cambridge
10    
11  -----------------------------------------------------------------------------  -----------------------------------------------------------------------------
12  Redistribution and use in source and binary forms, with or without  Redistribution and use in source and binary forms, with or without
# Line 2057  is not anchored. Line 2057  is not anchored.
2057    
2058  Arguments:  Arguments:
2059    argument_re     points to the compiled expression    argument_re     points to the compiled expression
2060    extra_data      points to extra data or is NULL (not currently used)    extra_data      points to extra data or is NULL
2061    subject         points to the subject string    subject         points to the subject string
2062    length          length of subject string (may contain binary zeros)    length          length of subject string (may contain binary zeros)
2063    start_offset    where to start in the subject string    start_offset    where to start in the subject string
# Line 2073  Returns: > 0 => number of match Line 2073  Returns: > 0 => number of match
2073                   < -1 => some kind of unexpected problem                   < -1 => some kind of unexpected problem
2074  */  */
2075    
2076  PCRE_DATA_SCOPE int  PCRE_EXP_DEFN int
2077  pcre_dfa_exec(const pcre *argument_re, const pcre_extra *extra_data,  pcre_dfa_exec(const pcre *argument_re, const pcre_extra *extra_data,
2078    const char *subject, int length, int start_offset, int options, int *offsets,    const char *subject, int length, int start_offset, int options, int *offsets,
2079    int offsetcount, int *workspace, int wscount)    int offsetcount, int *workspace, int wscount)
# Line 2163  md->end_subject = end_subject; Line 2163  md->end_subject = end_subject;
2163  md->moptions = options;  md->moptions = options;
2164  md->poptions = re->options;  md->poptions = re->options;
2165    
2166  /* Handle different types of newline. The two bits give four cases. If nothing  /* Handle different types of newline. The three bits give eight cases. If
2167  is set at run time, whatever was used at compile time applies. */  nothing is set at run time, whatever was used at compile time applies. */
2168    
2169  switch ((((options & PCRE_NEWLINE_BITS) == 0)? re->options : options) &  switch ((((options & PCRE_NEWLINE_BITS) == 0)? re->options : (pcre_uint32)options) &
2170           PCRE_NEWLINE_BITS)           PCRE_NEWLINE_BITS)
2171    {    {
2172    case 0: newline = NEWLINE; break;   /* Compile-time default */    case 0: newline = NEWLINE; break;   /* Compile-time default */
# Line 2308  for (;;) Line 2308  for (;;)
2308          {          {
2309          while (current_subject <= end_subject && !WAS_NEWLINE(current_subject))          while (current_subject <= end_subject && !WAS_NEWLINE(current_subject))
2310            current_subject++;            current_subject++;
2311    
2312            /* If we have just passed a CR and the newline option is ANY, and we
2313            are now at a LF, advance the match position by one more character. */
2314    
2315            if (current_subject[-1] == '\r' &&
2316                 md->nltype == NLTYPE_ANY &&
2317                 current_subject < end_subject &&
2318                 *current_subject == '\n')
2319              current_subject++;
2320          }          }
2321        }        }
2322    
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