/[pcre]/code/trunk/pcretest.c
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Diff of /code/trunk/pcretest.c

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revision 93 by nigel, Sat Feb 24 21:41:42 2007 UTC revision 141 by ph10, Fri Mar 30 15:46:27 2007 UTC
# Line 114  Makefile. */ Line 114  Makefile. */
114  #include "pcreposix.h"  #include "pcreposix.h"
115  #endif  #endif
116    
117  /* It is also possible, for the benefit of the version imported into Exim, to  /* It is also possible, for the benefit of the version currently imported into
118  build pcretest without support for UTF8 (define NOUTF8), without the interface  Exim, to build pcretest without support for UTF8 (define NOUTF8), without the
119  to the DFA matcher (NODFA), and without the doublecheck of the old "info"  interface to the DFA matcher (NODFA), and without the doublecheck of the old
120  function (define NOINFOCHECK). */  "info" function (define NOINFOCHECK). In fact, we automatically cut out the
121    UTF8 support if PCRE is built without it. */
122    
123    #ifndef SUPPORT_UTF8
124    #ifndef NOUTF8
125    #define NOUTF8
126    #endif
127    #endif
128    
129    
130  /* Other parameters */  /* Other parameters */
# Line 851  while (argc > 1 && argv[op][0] == '-') Line 858  while (argc > 1 && argv[op][0] == '-')
858      printf("  Default recursion depth limit = %d\n", rc);      printf("  Default recursion depth limit = %d\n", rc);
859      (void)pcre_config(PCRE_CONFIG_STACKRECURSE, &rc);      (void)pcre_config(PCRE_CONFIG_STACKRECURSE, &rc);
860      printf("  Match recursion uses %s\n", rc? "stack" : "heap");      printf("  Match recursion uses %s\n", rc? "stack" : "heap");
861      exit(0);      goto EXIT;
862      }      }
863    else if (strcmp(argv[op], "-help") == 0 ||    else if (strcmp(argv[op], "-help") == 0 ||
864             strcmp(argv[op], "--help") == 0)             strcmp(argv[op], "--help") == 0)
# Line 937  while (!done) Line 944  while (!done)
944    size_t size, regex_gotten_store;    size_t size, regex_gotten_store;
945    int do_study = 0;    int do_study = 0;
946    int do_debug = debug;    int do_debug = debug;
947      int debug_lengths = 1;
948    int do_G = 0;    int do_G = 0;
949    int do_g = 0;    int do_g = 0;
950    int do_showinfo = showinfo;    int do_showinfo = showinfo;
# Line 1127  while (!done) Line 1135  while (!done)
1135        case 'S': do_study = 1; break;        case 'S': do_study = 1; break;
1136        case 'U': options |= PCRE_UNGREEDY; break;        case 'U': options |= PCRE_UNGREEDY; break;
1137        case 'X': options |= PCRE_EXTRA; break;        case 'X': options |= PCRE_EXTRA; break;
1138          case 'Z': debug_lengths = 0; break;
1139        case '8': options |= PCRE_UTF8; use_utf8 = 1; break;        case '8': options |= PCRE_UTF8; use_utf8 = 1; break;
1140        case '?': options |= PCRE_NO_UTF8_CHECK; break;        case '?': options |= PCRE_NO_UTF8_CHECK; break;
1141    
# Line 1328  while (!done) Line 1337  while (!done)
1337      if (do_debug)      if (do_debug)
1338        {        {
1339        fprintf(outfile, "------------------------------------------------------------------\n");        fprintf(outfile, "------------------------------------------------------------------\n");
1340        pcre_printint(re, outfile);        pcre_printint(re, outfile, debug_lengths);
1341        }        }
1342    
1343      if (do_showinfo)      if (do_showinfo)
# Line 1963  while (!done) Line 1972  while (!done)
1972    
1973      for (;; gmatched++)    /* Loop for /g or /G */      for (;; gmatched++)    /* Loop for /g or /G */
1974        {        {
1975          int gany_fudge;
1976        if (timeitm > 0)        if (timeitm > 0)
1977          {          {
1978          register int i;          register int i;
# Line 2246  while (!done) Line 2256  while (!done)
2256        what Perl's /g options does. This turns out to be rather cunning. First        what Perl's /g options does. This turns out to be rather cunning. First
2257        we set PCRE_NOTEMPTY and PCRE_ANCHORED and try the match again at the        we set PCRE_NOTEMPTY and PCRE_ANCHORED and try the match again at the
2258        same point. If this fails (picked up above) we advance to the next        same point. If this fails (picked up above) we advance to the next
2259        character. */        character.
2260    
2261          Yet more complication arises in the case when the newline option is
2262          "any" and a pattern in multiline mode has to match at the start of a
2263          line. If a previous match was at the end of a line, and advance of one
2264          character just passes the \r, whereas we should prefer the longer newline
2265          sequence, as does the code in pcre_exec(). So we fudge it. */
2266    
2267        g_notempty = 0;        g_notempty = 0;
2268          gany_fudge = 0;
2269    
2270        if (use_offsets[0] == use_offsets[1])        if (use_offsets[0] == use_offsets[1])
2271          {          {
2272          if (use_offsets[0] == len) break;          if (use_offsets[0] == len) break;
2273          g_notempty = PCRE_NOTEMPTY | PCRE_ANCHORED;          g_notempty = PCRE_NOTEMPTY | PCRE_ANCHORED;
2274            if ((((real_pcre *)re)->options & PCRE_STARTLINE) != 0 &&
2275                (((real_pcre *)re)->options & PCRE_NEWLINE_BITS) == PCRE_NEWLINE_ANY &&
2276                use_offsets[0] < len - 1 &&
2277                bptr[use_offsets[0]] == '\r' &&
2278                bptr[use_offsets[0]+1] == '\n')
2279              gany_fudge = 1;
2280          }          }
2281    
2282        /* For /g, update the start offset, leaving the rest alone */        /* For /g, update the start offset, leaving the rest alone */
2283    
2284        if (do_g) start_offset = use_offsets[1];        if (do_g) start_offset = use_offsets[1] + gany_fudge;
2285    
2286        /* For /G, update the pointer and length */        /* For /G, update the pointer and length */
2287    
2288        else        else
2289          {          {
2290          bptr += use_offsets[1];          bptr += use_offsets[1] + gany_fudge;
2291          len -= use_offsets[1];          len -= use_offsets[1] + gany_fudge;
2292          }          }
2293        }  /* End of loop for /g and /G */        }  /* End of loop for /g and /G */
2294    
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