universe@10: /*
universe@20:  * scanner.c
universe@10:  *
universe@10:  *  Created on: 23.05.2011
universe@20:  *      Author: Mike
universe@10:  */
universe@1: 
universe@1: 
universe@10: #include "scanner.h"
universe@10: #include "suffix_fnc.h"
universe@21: #include "bfile_heuristics.h"
universe@3: 
universe@3: int scanDirectory(DIR *dir, const int spaces,
universe@3:                   char* currdir, settings_t* settings) {
universe@3:   DIR *subdir;
universe@3:   struct dirent *entry;
universe@18:   int lines, a;
universe@3:   int lineSum = 0;
universe@21:   bool bfile;
universe@3: 
universe@3:   while ((entry = readdir(dir)) != NULL) {
universe@3:     if (strcmp(entry->d_name, ".") != 0 && strcmp(entry->d_name, "..") != 0) {
universe@22:       /* Print occurence */
universe@3:       char entryname[strlen(entry->d_name)+spaces];
universe@3:       for (int t = 0 ; t < spaces ; t++) {
universe@3:         entryname[t]=' ';
universe@3:       }
universe@3:       entryname[spaces] = 0;
universe@3:       strcat(entryname, entry->d_name);
universe@3:   
universe@14:       char filename[(1+strlen(currdir)+strlen(entry->d_name))];
universe@14:       strcpy(filename, currdir);
universe@14:       strncat(filename, &settings->fileSeparator, 1);
universe@14:       strcat(filename, entry->d_name);
universe@14: 
universe@22:       /* Check for subdirectory */
universe@14:       if ((subdir = opendir(filename)) != NULL) {
universe@3:         printf("%-60s\n", entryname);
universe@3:         if (settings->recursive) {
universe@14:           lineSum += scanDirectory(subdir, spaces+1, filename, settings);
universe@3:         }
universe@3:         closedir(subdir);
universe@3:         continue;
universe@3:       }
universe@3: 
universe@22:       /* Count lines */
universe@3:       lines = 0;
universe@21:       bfile = false;
universe@22:       bfile_reset(settings->bfileHeuristics);
universe@3:       if (testSuffix(filename, settings)) {
universe@3:         FILE *file = fopen(filename, "r");
universe@3:         if (file == NULL) {
universe@3:           perror("  File acces failed");
universe@3:           continue;
universe@3:         }
universe@3: 
universe@3:         do {
universe@3:           a = fgetc(file);
universe@3: 
universe@21:           bfile = bfile_check(settings->bfileHeuristics, a);
universe@21: 
universe@3:           if (a == 10) {
universe@3:             lines++;
universe@3:           }
universe@21:         } while (!bfile && a != EOF);
universe@3:         fclose(file);
universe@3: 
universe@22:         /* Print and sum line count */
universe@21:         if (bfile) {
universe@22:           if (!settings->matchesOnly) {
universe@22:             printf("%-60s%19s\n", entryname, "binary");
universe@22:           }
universe@21:         } else {
universe@22:           lineSum += lines;
universe@3:           printf("%-60s%13d lines\n", entryname, lines);
universe@21:         }
universe@16:       } else {
universe@3:         if (!settings->matchesOnly) {
universe@22:           /* Print hint */
universe@21:           printf("%-60s%19s\n", entryname, "no match");
universe@3:         }
universe@3:       }
universe@3:     }
universe@3:   }
universe@3:   return lineSum;
universe@3: }