comparison: scanner.c
scanner.c
- changeset 34
- fa9bda32de17
- parent 33
- 1a2d7298bc82
- child 35
- 35120de6ee53
equal
deleted
inserted
replaced
| 33:1a2d7298bc82 | 34:fa9bda32de17 |
|---|---|
| 1 /* | |
| 2 * scanner.c | |
| 3 * | |
| 4 * Created on: 23.05.2011 | |
| 5 * Author: Mike | |
| 6 */ | |
| 7 | |
| 8 | |
| 9 #include "scanner.h" | |
| 10 #include "suffix_fnc.h" | |
| 11 #include "bfile_heuristics.h" | |
| 12 #include "regex_parser.h" | |
| 13 #include <sys/stat.h> | |
| 14 | |
| 15 int scanDirectory(scanner_t scanner, settings_t* settings) { | |
| 16 | |
| 17 DIR *dirf; | |
| 18 struct dirent *entry; | |
| 19 int lines, a; | |
| 20 int lineSum = 0; | |
| 21 bool bfile; | |
| 22 struct stat statbuf; | |
| 23 | |
| 24 if ((dirf = opendir(scanner.dir)) == NULL) { | |
| 25 printf(scanner.dir); | |
| 26 perror(" Directory access failed"); | |
| 27 return 0; | |
| 28 } | |
| 29 | |
| 30 while ((entry = readdir(dirf)) != NULL) { | |
| 31 if (strcmp(entry->d_name, ".") != 0 && strcmp(entry->d_name, "..") != 0) { | |
| 32 /* Construct tree view and absolute pathname strings */ | |
| 33 char entryname[strlen(entry->d_name)+scanner.spaces]; | |
| 34 for (int t = 0 ; t < scanner.spaces ; t++) { | |
| 35 entryname[t]=' '; | |
| 36 } | |
| 37 entryname[scanner.spaces] = 0; | |
| 38 strcat(entryname, entry->d_name); | |
| 39 | |
| 40 char filename[(1+strlen(scanner.dir)+strlen(entry->d_name))]; | |
| 41 strcpy(filename, scanner.dir); | |
| 42 strncat(filename, &settings->fileSeparator, 1); | |
| 43 strcat(filename, entry->d_name); | |
| 44 | |
| 45 /* Check for subdirectory */ | |
| 46 if (stat(filename, &statbuf) == 0) { | |
| 47 if (!(statbuf.st_mode & S_IFREG)) { | |
| 48 printf("%-60s\n", entryname); | |
| 49 if (settings->recursive && (statbuf.st_mode & S_IFDIR)) { | |
| 50 lineSum += scanDirectory( | |
| 51 (scanner_t) {filename, scanner.spaces+1}, settings); | |
| 52 } | |
| 53 continue; | |
| 54 } | |
| 55 } else { | |
| 56 perror(" Error in stat call"); | |
| 57 continue; | |
| 58 } | |
| 59 | |
| 60 if ((settings->includeSuffixes->count == 0 | |
| 61 || testSuffix(filename, settings->includeSuffixes)) | |
| 62 && !testSuffix(filename, settings->excludeSuffixes)) { | |
| 63 /* Count lines */ | |
| 64 lines = 0; | |
| 65 bfile = false; | |
| 66 bfile_reset(settings->bfileHeuristics); | |
| 67 char line_buffer[REGEX_MAX_LINELENGTH]; | |
| 68 int line_buffer_offset = 0; | |
| 69 | |
| 70 FILE *file = fopen(filename, "r"); | |
| 71 if (file == NULL) { | |
| 72 printf(entryname); | |
| 73 perror(" File acces failed"); | |
| 74 continue; | |
| 75 } | |
| 76 | |
| 77 do { | |
| 78 a = fgetc(file); | |
| 79 | |
| 80 bfile = bfile_check(settings->bfileHeuristics, a); | |
| 81 | |
| 82 if (a == 10 || a == EOF) { | |
| 83 line_buffer[line_buffer_offset] = 0; | |
| 84 if (regex_parser_do(settings->regex, line_buffer) == 0) { | |
| 85 /* Only subtract lines when matching has finished */ | |
| 86 if (!regex_parser_matching(settings->regex)) { | |
| 87 lines -= settings->regex->matched_lines; | |
| 88 } | |
| 89 } | |
| 90 | |
| 91 line_buffer_offset = 0; | |
| 92 lines++; | |
| 93 } else { | |
| 94 if (line_buffer_offset < REGEX_MAX_LINELENGTH) { | |
| 95 line_buffer[line_buffer_offset] = a; | |
| 96 line_buffer_offset++; | |
| 97 } else { | |
| 98 line_buffer[line_buffer_offset-1] = 0; | |
| 99 settings->confusing_lnlen = true; | |
| 100 } | |
| 101 } | |
| 102 } while (!bfile && a != EOF); | |
| 103 fclose(file); | |
| 104 | |
| 105 /* Print and sum line count */ | |
| 106 if (bfile) { | |
| 107 if (!settings->matchesOnly) { | |
| 108 printf("%-60s%19s\n", entryname, "binary"); | |
| 109 } | |
| 110 } else { | |
| 111 lineSum += lines; | |
| 112 printf("%-60s%13d lines\n", entryname, lines); | |
| 113 } | |
| 114 } else { | |
| 115 if (!settings->matchesOnly) { | |
| 116 /* Print hint */ | |
| 117 printf("%-60s%19s\n", entryname, "no match"); | |
| 118 } | |
| 119 } | |
| 120 } | |
| 121 } | |
| 122 | |
| 123 closedir(dirf); | |
| 124 | |
| 125 return lineSum; | |
| 126 } |
