/[pcre]/code/trunk/pcregrep.c
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revision 286 by ph10, Mon Dec 17 14:46:11 2007 UTC revision 377 by ph10, Sun Mar 1 12:07:19 2009 UTC
# Line 6  Line 6 
6  its pattern matching. On a Unix or Win32 system it can recurse into  its pattern matching. On a Unix or Win32 system it can recurse into
7  directories.  directories.
8    
9             Copyright (c) 1997-2007 University of Cambridge             Copyright (c) 1997-2009 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 139  static pcre_extra **hints_list = NULL; Line 139  static pcre_extra **hints_list = NULL;
139    
140  static char *include_pattern = NULL;  static char *include_pattern = NULL;
141  static char *exclude_pattern = NULL;  static char *exclude_pattern = NULL;
142    static char *include_dir_pattern = NULL;
143    static char *exclude_dir_pattern = NULL;
144    
145  static pcre *include_compiled = NULL;  static pcre *include_compiled = NULL;
146  static pcre *exclude_compiled = NULL;  static pcre *exclude_compiled = NULL;
147    static pcre *include_dir_compiled = NULL;
148    static pcre *exclude_dir_compiled = NULL;
149    
150  static int after_context = 0;  static int after_context = 0;
151  static int before_context = 0;  static int before_context = 0;
# Line 181  typedef struct option_item { Line 185  typedef struct option_item {
185  /* Options without a single-letter equivalent get a negative value. This can be  /* Options without a single-letter equivalent get a negative value. This can be
186  used to identify them. */  used to identify them. */
187    
188  #define N_COLOUR    (-1)  #define N_COLOUR       (-1)
189  #define N_EXCLUDE   (-2)  #define N_EXCLUDE      (-2)
190  #define N_HELP      (-3)  #define N_EXCLUDE_DIR  (-3)
191  #define N_INCLUDE   (-4)  #define N_HELP         (-4)
192  #define N_LABEL     (-5)  #define N_INCLUDE      (-5)
193  #define N_LOCALE    (-6)  #define N_INCLUDE_DIR  (-6)
194  #define N_NULL      (-7)  #define N_LABEL        (-7)
195  #define N_LOFFSETS  (-8)  #define N_LOCALE       (-8)
196  #define N_FOFFSETS  (-9)  #define N_NULL         (-9)
197    #define N_LOFFSETS     (-10)
198    #define N_FOFFSETS     (-11)
199    
200  static option_item optionlist[] = {  static option_item optionlist[] = {
201    { OP_NODATA,    N_NULL,   NULL,              "",              "  terminate options" },    { OP_NODATA,    N_NULL,   NULL,              "",              "  terminate options" },
# Line 222  static option_item optionlist[] = { Line 228  static option_item optionlist[] = {
228    { OP_NODATA,    'r',      NULL,              "recursive",     "recursively scan sub-directories" },    { OP_NODATA,    'r',      NULL,              "recursive",     "recursively scan sub-directories" },
229    { OP_STRING,    N_EXCLUDE,&exclude_pattern,  "exclude=pattern","exclude matching files when recursing" },    { OP_STRING,    N_EXCLUDE,&exclude_pattern,  "exclude=pattern","exclude matching files when recursing" },
230    { OP_STRING,    N_INCLUDE,&include_pattern,  "include=pattern","include matching files when recursing" },    { OP_STRING,    N_INCLUDE,&include_pattern,  "include=pattern","include matching files when recursing" },
231      { OP_STRING,    N_EXCLUDE_DIR,&exclude_dir_pattern, "exclude_dir=pattern","exclude matching directories when recursing" },
232      { OP_STRING,    N_INCLUDE_DIR,&include_dir_pattern, "include_dir=pattern","include matching directories when recursing" },
233  #ifdef JFRIEDL_DEBUG  #ifdef JFRIEDL_DEBUG
234    { OP_OP_NUMBER, 'S',      &S_arg,            "jeffS",         "replace matched (sub)string with X" },    { OP_OP_NUMBER, 'S',      &S_arg,            "jeffS",         "replace matched (sub)string with X" },
235  #endif  #endif
# Line 1046  while (ptr < endptr) Line 1054  while (ptr < endptr)
1054          if (printname != NULL) fprintf(stdout, "%s:", printname);          if (printname != NULL) fprintf(stdout, "%s:", printname);
1055          if (number) fprintf(stdout, "%d:", linenumber);          if (number) fprintf(stdout, "%d:", linenumber);
1056          if (line_offsets)          if (line_offsets)
1057            fprintf(stdout, "%d,%d", matchptr + offsets[0] - ptr,            fprintf(stdout, "%d,%d", (int)(matchptr + offsets[0] - ptr),
1058              offsets[1] - offsets[0]);              offsets[1] - offsets[0]);
1059          else if (file_offsets)          else if (file_offsets)
1060            fprintf(stdout, "%d,%d", filepos + matchptr + offsets[0] - ptr,            fprintf(stdout, "%d,%d", (int)(filepos + matchptr + offsets[0] - ptr),
1061              offsets[1] - offsets[0]);              offsets[1] - offsets[0]);
1062          else          else
1063              {
1064              if (do_colour) fprintf(stdout, "%c[%sm", 0x1b, colour_string);
1065            fwrite(matchptr + offsets[0], 1, offsets[1] - offsets[0], stdout);            fwrite(matchptr + offsets[0], 1, offsets[1] - offsets[0], stdout);
1066              if (do_colour) fprintf(stdout, "%c[00m", 0x1b);
1067              }
1068          fprintf(stdout, "\n");          fprintf(stdout, "\n");
1069          matchptr += offsets[1];          matchptr += offsets[1];
1070          length -= offsets[1];          length -= offsets[1];
# Line 1361  if (strcmp(pathname, "-") == 0) Line 1373  if (strcmp(pathname, "-") == 0)
1373    }    }
1374    
1375  /* If the file is a directory, skip if skipping or if we are recursing, scan  /* If the file is a directory, skip if skipping or if we are recursing, scan
1376  each file within it, subject to any include or exclude patterns that were set.  each file and directory within it, subject to any include or exclude patterns
1377  The scanning code is localized so it can be made system-specific. */  that were set. The scanning code is localized so it can be made
1378    system-specific. */
1379    
1380  if ((sep = isdirectory(pathname)) != 0)  if ((sep = isdirectory(pathname)) != 0)
1381    {    {
# Line 1383  if ((sep = isdirectory(pathname)) != 0) Line 1396  if ((sep = isdirectory(pathname)) != 0)
1396    
1397      while ((nextfile = readdirectory(dir)) != NULL)      while ((nextfile = readdirectory(dir)) != NULL)
1398        {        {
1399        int frc, blen;        int frc, nflen;
1400        sprintf(buffer, "%.512s%c%.128s", pathname, sep, nextfile);        sprintf(buffer, "%.512s%c%.128s", pathname, sep, nextfile);
1401        blen = strlen(buffer);        nflen = strlen(nextfile);
1402    
1403          if (isdirectory(buffer))
1404            {
1405            if (exclude_dir_compiled != NULL &&
1406                pcre_exec(exclude_dir_compiled, NULL, nextfile, nflen, 0, 0, NULL, 0) >= 0)
1407              continue;
1408    
1409            if (include_dir_compiled != NULL &&
1410                pcre_exec(include_dir_compiled, NULL, nextfile, nflen, 0, 0, NULL, 0) < 0)
1411              continue;
1412            }
1413          else
1414            {
1415            if (exclude_compiled != NULL &&
1416                pcre_exec(exclude_compiled, NULL, nextfile, nflen, 0, 0, NULL, 0) >= 0)
1417              continue;
1418    
1419        if (exclude_compiled != NULL &&          if (include_compiled != NULL &&
1420            pcre_exec(exclude_compiled, NULL, buffer, blen, 0, 0, NULL, 0) >= 0)              pcre_exec(include_compiled, NULL, nextfile, nflen, 0, 0, NULL, 0) < 0)
1421          continue;            continue;
1422            }
       if (include_compiled != NULL &&  
           pcre_exec(include_compiled, NULL, buffer, blen, 0, 0, NULL, 0) < 0)  
         continue;  
1423    
1424        frc = grep_or_recurse(buffer, dir_recurse, FALSE);        frc = grep_or_recurse(buffer, dir_recurse, FALSE);
1425        if (frc > 1) rc = frc;        if (frc > 1) rc = frc;
# Line 1579  for (op = optionlist; op->one_char != 0; Line 1605  for (op = optionlist; op->one_char != 0;
1605    int n;    int n;
1606    char s[4];    char s[4];
1607    if (op->one_char > 0) sprintf(s, "-%c,", op->one_char); else strcpy(s, "   ");    if (op->one_char > 0) sprintf(s, "-%c,", op->one_char); else strcpy(s, "   ");
1608    printf("  %s --%s%n", s, op->long_name, &n);    n = 30 - printf("  %s --%s", s, op->long_name);
   n = 30 - n;  
1609    if (n < 1) n = 1;    if (n < 1) n = 1;
1610    printf("%.*s%s\n", n, "                    ", op->help_text);    printf("%.*s%s\n", n, "                    ", op->help_text);
1611    }    }
# Line 2290  if (include_pattern != NULL) Line 2315  if (include_pattern != NULL)
2315      }      }
2316    }    }
2317    
2318    if (exclude_dir_pattern != NULL)
2319      {
2320      exclude_dir_compiled = pcre_compile(exclude_dir_pattern, 0, &error, &errptr,
2321        pcretables);
2322      if (exclude_dir_compiled == NULL)
2323        {
2324        fprintf(stderr, "pcregrep: Error in 'exclude_dir' regex at offset %d: %s\n",
2325          errptr, error);
2326        goto EXIT2;
2327        }
2328      }
2329    
2330    if (include_dir_pattern != NULL)
2331      {
2332      include_dir_compiled = pcre_compile(include_dir_pattern, 0, &error, &errptr,
2333        pcretables);
2334      if (include_dir_compiled == NULL)
2335        {
2336        fprintf(stderr, "pcregrep: Error in 'include_dir' regex at offset %d: %s\n",
2337          errptr, error);
2338        goto EXIT2;
2339        }
2340      }
2341    
2342  /* If there are no further arguments, do the business on stdin and exit. */  /* If there are no further arguments, do the business on stdin and exit. */
2343    
2344  if (i >= argc)  if (i >= argc)
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