cline: scanner.c@72a98cbcb9f1 (annotated)

scanner.c@72a98cbcb9f1 (annotated)

scanner.c

Thu, 02 Feb 2012 14:17:35 +0100

author: Mike Becker <universe@uap-core.de>
date: Thu, 02 Feb 2012 14:17:35 +0100
changeset 28: 72a98cbcb9f1
parent 27: 95a958e3de88
child 30: d642fdb6745e
permissions: -rw-r--r--

added regex parser

 /*
  * scanner.c
  *
  *  Created on: 23.05.2011
  *      Author: Mike
  */
 #include "scanner.h"
 #include "suffix_fnc.h"
 #include "bfile_heuristics.h"
 #include "regex_parser.h"
 #include <sys/stat.h>
 int scanDirectory(scanner_t scanner, settings_t* settings) {
   DIR *dirf;
   struct dirent *entry;
   int lines, a;
   int lineSum = 0;
   bool bfile;
   struct stat statbuf;
   if ((dirf = opendir(scanner.dir)) == NULL) {
     printf(scanner.dir);
     perror("  Directory access failed");
     return 0;
   }
   while ((entry = readdir(dirf)) != NULL) {
     if (strcmp(entry->d_name, ".") != 0 && strcmp(entry->d_name, "..") != 0) {
       /* Construct tree view and absolute pathname strings */
       char entryname[strlen(entry->d_name)+scanner.spaces];
       for (int t = 0 ; t < scanner.spaces ; t++) {
         entryname[t]=' ';
       }
       entryname[scanner.spaces] = 0;
       strcat(entryname, entry->d_name);
       char filename[(1+strlen(scanner.dir)+strlen(entry->d_name))];
       strcpy(filename, scanner.dir);
       strncat(filename, &settings->fileSeparator, 1);
       strcat(filename, entry->d_name);
       /* Check for subdirectory */
       if (stat(filename, &statbuf) == 0) {
         if (!(statbuf.st_mode & S_IFREG)) {
           printf("%-60s\n", entryname);
           if (settings->recursive && (statbuf.st_mode & S_IFDIR)) {
             lineSum += scanDirectory(
                 (scanner_t) {filename, scanner.spaces+1}, settings);
           }
           continue;
         }
       } else {
         perror("  Error in stat call");
         continue;
       }
       if (testSuffix(filename, settings)) {
         /* Count lines */
         lines = 0;
         bfile = false;
         bfile_reset(settings->bfileHeuristics);
         char line_buffer[REGEX_MAX_LINELENGTH];
         int line_buffer_offset = 0;
         FILE *file = fopen(filename, "r");
         if (file == NULL) {
           printf(entryname);
           perror("  File acces failed");
           continue;
         }
         do {
           a = fgetc(file);
           bfile = bfile_check(settings->bfileHeuristics, a);
           if (a == 10 || a == EOF) {
             line_buffer[line_buffer_offset] = 0;
             if (regex_parser_do(settings->regex, line_buffer) == 0) {
               /* Only subtract lines when matching has finished */
               if (!regex_parser_matching(settings->regex)) {
                 lines -= settings->regex->matched_lines;
               }
             }
             line_buffer_offset = 0;
             lines++;
           } else {
             if (line_buffer_offset < REGEX_MAX_LINELENGTH) {
               line_buffer[line_buffer_offset] = a;
               line_buffer_offset++;
             } else {
               line_buffer[line_buffer_offset-1] = 0;
               settings->confusing_lnlen = true;
             }
           }
         } while (!bfile && a != EOF);
         fclose(file);
         /* Print and sum line count */
         if (bfile) {
           if (!settings->matchesOnly) {
             printf("%-60s%19s\n", entryname, "binary");
           }
         } else {
           lineSum += lines;
           printf("%-60s%13d lines\n", entryname, lines);
         }
       } else {
         if (!settings->matchesOnly) {
           /* Print hint */
           printf("%-60s%19s\n", entryname, "no match");
         }
       }
     }
   }
   closedir(dirf);
   return lineSum;
 }

Mercurial > hg > cline / annotate

scanner.c@72a98cbcb9f1 (annotated)

scanner.c