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

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revision 243 by ph10, Thu Sep 13 09:28:14 2007 UTC revision 279 by ph10, Tue Dec 4 20:01:43 2007 UTC
# Line 844  while (ptr < endptr) Line 844  while (ptr < endptr)
844    int i, endlinelength;    int i, endlinelength;
845    int mrc = 0;    int mrc = 0;
846    BOOL match = FALSE;    BOOL match = FALSE;
847      char *matchptr = ptr;
848    char *t = ptr;    char *t = ptr;
849    size_t length, linelength;    size_t length, linelength;
850    
# Line 906  while (ptr < endptr) Line 907  while (ptr < endptr)
907    }    }
908  #endif  #endif
909    
910      /* We come back here after a match when the -o option (only_matching) is set,
911      in order to find any further matches in the same line. */
912    
913      ONLY_MATCHING_RESTART:
914    
915    /* Run through all the patterns until one matches. Note that we don't include    /* Run through all the patterns until one matches. Note that we don't include
916    the final newline in the subject string. */    the final newline in the subject string. */
917    
918    for (i = 0; i < pattern_count; i++)    for (i = 0; i < pattern_count; i++)
919      {      {
920      mrc = pcre_exec(pattern_list[i], hints_list[i], ptr, length, 0, 0,      mrc = pcre_exec(pattern_list[i], hints_list[i], matchptr, length, 0, 0,
921        offsets, 99);        offsets, 99);
922      if (mrc >= 0) { match = TRUE; break; }      if (mrc >= 0) { match = TRUE; break; }
923      if (mrc != PCRE_ERROR_NOMATCH)      if (mrc != PCRE_ERROR_NOMATCH)
# Line 920  while (ptr < endptr) Line 925  while (ptr < endptr)
925        fprintf(stderr, "pcregrep: pcre_exec() error %d while matching ", mrc);        fprintf(stderr, "pcregrep: pcre_exec() error %d while matching ", mrc);
926        if (pattern_count > 1) fprintf(stderr, "pattern number %d to ", i+1);        if (pattern_count > 1) fprintf(stderr, "pattern number %d to ", i+1);
927        fprintf(stderr, "this line:\n");        fprintf(stderr, "this line:\n");
928        fwrite(ptr, 1, linelength, stderr);   /* In case binary zero included */        fwrite(matchptr, 1, linelength, stderr);  /* In case binary zero included */
929        fprintf(stderr, "\n");        fprintf(stderr, "\n");
930        if (error_count == 0 &&        if (error_count == 0 &&
931            (mrc == PCRE_ERROR_MATCHLIMIT || mrc == PCRE_ERROR_RECURSIONLIMIT))            (mrc == PCRE_ERROR_MATCHLIMIT || mrc == PCRE_ERROR_RECURSIONLIMIT))
# Line 967  while (ptr < endptr) Line 972  while (ptr < endptr)
972      else if (quiet) return 0;      else if (quiet) return 0;
973    
974      /* The --only-matching option prints just the substring that matched, and      /* The --only-matching option prints just the substring that matched, and
975      does not pring any context. */      does not print any context. Afterwards, adjust the start and length, and
976        then jump back to look for further matches in the same line. If we are in
977        invert mode, however, nothing is printed - this could be useful still
978        because the return code is set. */
979    
980      else if (only_matching)      else if (only_matching)
981        {        {
982        if (printname != NULL) fprintf(stdout, "%s:", printname);        if (!invert)
983        if (number) fprintf(stdout, "%d:", linenumber);          {
984        fwrite(ptr + offsets[0], 1, offsets[1] - offsets[0], stdout);          if (printname != NULL) fprintf(stdout, "%s:", printname);
985        fprintf(stdout, "\n");          if (number) fprintf(stdout, "%d:", linenumber);
986            fwrite(matchptr + offsets[0], 1, offsets[1] - offsets[0], stdout);
987            fprintf(stdout, "\n");
988            matchptr += offsets[1];
989            length -= offsets[1];
990            match = FALSE;
991            goto ONLY_MATCHING_RESTART;
992            }
993        }        }
994    
995      /* This is the default case when none of the above options is set. We print      /* This is the default case when none of the above options is set. We print
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