cline: cline.c@95a958e3de88 (annotated)

cline.c@95a958e3de88 (annotated)

cline.c

Thu, 26 Jan 2012 15:55:52 +0100

author: Mike Becker <universe@uap-core.de>
date: Thu, 26 Jan 2012 15:55:52 +0100
changeset 27: 95a958e3de88
parent 26: 853a1181884b
child 28: 72a98cbcb9f1
permissions: -rw-r--r--

added regexp_parser struct and compile function

 /*
  * cline.c
  *
  *  Created on: 23.05.2011
  *      Author: Mike
  */
 #include "cline.h"
 #include "scanner.h"
 #include "settings.h"
 #include "arguments.h"
 #include "stream.h"
 #include "regex_parser.h"
 void printHelpText() {
   const char* helpText =
     "\nUsage:"
     "\n      cline [Options] [Directory]"
     "\n      cline [Options] [Directory]"
     "\n\nCounts the line terminator characters (\\n) within all"
     " files in the specified\ndirectory."
     "\n\nOptions:"
     "\n  -b <level>          - binary file heuristics level (default medium)"
     "\n                        One of: ignore low medium high"
     "\n  -e <start> <end>    - Excludes lines between <start> and <end>"
     "\n                        You may use this option multiple times"
     "\n  -h, --help          - this help text"
     "\n  -m                  - print information about matching files only"
     "\n  -s <suffixes>       - only count files with these suffixes (separated"
     "\n                        by commas)"
     "\n  -S <suffixes>       - count any file except those with these suffixes"
     "\n                        (separated by commas)"
     "\n  -r, -R              - includes subdirectories"
     "\n  -v, --version       - print out version information"
     "\n  -V                  - turn verbose output off, print the result only"
     "\n\n"
     "The default call without any options is:"
     "\n  cline ./\n"
     "So each file in the working directory is counted. If you want to count C"
     "\nsource code in your working directory and its subdirectories, type:"
     "\n  cline -rs .c\n"
     "\nIf you want to exclude comment lines, you may use the -e option."
     "\nAfter a line matches the regex pattern <start> any following line is"
     "\nnot counted unless a line matches the <end> pattern.";
   printf(helpText);
 }
 int exit_with_version(settings_t* settings) {
   printf("cline - Revision: %s", VERSION);
   destroy_settings_t(settings);
   return 0;
 }
 int exit_with_help(settings_t* settings, int code) {
   printHelpText();
   destroy_settings_t(settings);
   return code;
 }
 int main(int argc, char** argv) {
   /* Settings */
   settings_t *settings = new_settings_t();
   if (settings == NULL) {
     fprintf(stderr, "Memory allocation failed.\n");
     return 1;
   }
   /* Get arguments */
   char* directory = "./";
   char* suffix = " ";
   int checked = 0;
   for (int t = 1 ; t < argc ; t++) {
     int argflags = checkArgument(argv[t], "hsSrRmvVbe");
     /* s, S */
     if ((argflags & 6) > 0) {
       if (registerArgument(&checked, 6)) {
         return exit_with_help(settings, 1);
       }
       settings->includeSuffixes = (argflags & 2) > 0;
       t++;
       if (t >= argc) {
         return exit_with_help(settings, 1);
       }
       suffix = argv[t];
     }
     /* h */
     if ((argflags & 1) > 0 || strcmp(argv[t], "--help") == 0) {
       return exit_with_help(settings, 0);
     }
     /* r, R */
     if ((argflags & 24) > 0) {
       if (registerArgument(&checked, 24)) {
         return exit_with_help(settings, 1);
       }
       settings->recursive = true;
     }
     /* m */
     if ((argflags & 32) > 0) {
       if (registerArgument(&checked, 32)) {
         return exit_with_help(settings, 1);
       }
       settings->matchesOnly = true;
     }
     /* v */
     if ((argflags & 64) > 0 || strcmp(argv[t], "--version") == 0) {
       return exit_with_version(settings);
     }
     /* V */
     if ((argflags & 128) > 0) {
       if (registerArgument(&checked, 128)) {
         return exit_with_help(settings, 1);
       }
       settings->verbose = false;
     }
     /* b */
     if ((argflags & 256) > 0) {
       if (registerArgument(&checked, 256)) {
         return exit_with_help(settings, 1);
       }
       t++;
       if (t >= argc) {
         return exit_with_help(settings, 1);
       }
       if (strcasecmp(argv[t], "ignore") == 0) {
         settings->bfileHeuristics->level = BFILE_IGNORE;
       } else if (strcasecmp(argv[t], "low") == 0) {
         settings->bfileHeuristics->level = BFILE_LOW_ACCURACY;
       } else if (strcasecmp(argv[t], "medium") == 0) {
         settings->bfileHeuristics->level = BFILE_MEDIUM_ACCURACY;
       } else if (strcasecmp(argv[t], "high") == 0) {
         settings->bfileHeuristics->level = BFILE_HIGH_ACCURACY;
       } else {
         return exit_with_help(settings, 1);
       }
     }
     if ((argflags & 512) > 0) {
       if (t + 2 >= argc) {
         return exit_with_help(settings, 1);
       }
       t++; add_string(settings->regex->pattern_list, argv[t]);
       t++; add_string(settings->regex->pattern_list, argv[t]);
     }
     /* Path */
     if (argflags == 0) {
       if (registerArgument(&checked, 1024)) {
         return exit_with_help(settings, 1);
       }
       directory = argv[t];
     }
   }
   /* Configure output */
   if (!settings->verbose) {
     close_stdout();
   }
   /* Find tokens */
   char* finder = strtok(suffix, ",");
   while (finder != NULL) {
     add_string(settings->suffixList, finder);
     finder = strtok(NULL, ",");
   }
   /* Scan directory */
   regex_compile_all(settings->regex);
   int lines = scanDirectory((scanner_t){directory, 0}, settings);
   destroy_settings_t(settings);
   /* Print double line and line count */
   for (int t = 0 ; t < 79 ; t++) {
     printf("=");
   }
   printf("\n%73d lines\n", lines);
   if (settings->confusing_lnlen && settings->regex->pattern_list->count > 0) {
     printf("\nSome files contain too long lines.\n"
       "The regex parser currently supports a maximum line length of %d."
       "\nThe result might be wrong.\n", REGEX_MAX_LINELENGTH);
   }
   if (!settings->verbose) {
     reopen_stdout();
     printf("%d", lines);
   }
   fflush(stdout);
   return 0;
 }

Mercurial > hg > cline / annotate

cline.c@95a958e3de88 (annotated)

cline.c