Fri, 27 May 2011 14:45:16 +0200
encapsulated suffix list in type suffix_list_t
universe@3 | 1 | #include "cline.h" |
universe@3 | 2 | #include "functions.h" |
universe@1 | 3 | |
universe@6 | 4 | suffix_list_t* new_suffix_list_t() { |
universe@6 | 5 | suffix_list_t* suffixList = malloc(sizeof(suffix_list_t*)); |
universe@6 | 6 | suffixList->count = 0; |
universe@6 | 7 | suffixList->items = NULL; |
universe@6 | 8 | } |
universe@6 | 9 | |
universe@6 | 10 | void destroy_suffix_list_t(suffix_list_t* list) { |
universe@6 | 11 | while (--list->count >= 0) { |
universe@6 | 12 | free(list->items[list->count]); |
universe@6 | 13 | } |
universe@6 | 14 | free(list); |
universe@6 | 15 | } |
universe@6 | 16 | |
universe@6 | 17 | void add_suffix(suffix_list_t* list, char* item) { |
universe@6 | 18 | char** reallocated_list = |
universe@6 | 19 | realloc(list->items, sizeof(char**) * list->count + 1); |
universe@6 | 20 | if (reallocated_list != NULL) { |
universe@6 | 21 | list->items = reallocated_list; |
universe@6 | 22 | list->items[list->count] = item; |
universe@6 | 23 | list->count++; |
universe@6 | 24 | } |
universe@6 | 25 | } |
universe@6 | 26 | |
universe@3 | 27 | settings_t* new_settings_t() { |
universe@3 | 28 | settings_t *settings = malloc(sizeof(settings_t*)); |
universe@5 | 29 | if (settings != NULL) { |
universe@5 | 30 | #ifdef _WIN32 |
universe@5 | 31 | settings->fileSeparator = '\\'; |
universe@5 | 32 | #else |
universe@5 | 33 | settings->fileSeparator = '/'; |
universe@5 | 34 | #endif /* _WIN32 */ |
universe@5 | 35 | settings->recursive = false; |
universe@5 | 36 | settings->includeSuffixes = false; |
universe@5 | 37 | settings->matchesOnly = false; |
universe@6 | 38 | settings->suffixList = new_suffix_list_t(); |
universe@5 | 39 | } |
universe@4 | 40 | |
universe@4 | 41 | return settings; |
universe@4 | 42 | } |
universe@4 | 43 | |
universe@4 | 44 | void destroy_settings_t(settings_t* settings) { |
universe@6 | 45 | destroy_suffix_list_t(settings->suffixList); |
universe@4 | 46 | free(settings); |
universe@0 | 47 | } |
universe@0 | 48 | |
universe@1 | 49 | void printHelpText(const char* prgName) { |
universe@0 | 50 | // Help text |
universe@0 | 51 | const char* helpText = |
universe@1 | 52 | "\nUsage:" |
universe@1 | 53 | "\n %s [-hrm][-s suffix][<directory>]" |
universe@1 | 54 | "\n %s [-hrm][-S suffix][<directory>]" |
universe@0 | 55 | "\n\nCounts the line terminator characters (\\n) within all" |
universe@0 | 56 | " files in the specified\ndirectory." |
universe@0 | 57 | "\n\nOptions:" |
universe@0 | 58 | "\n -h, --help - this help text" |
universe@1 | 59 | "\n -m - print information about matching files only" |
universe@1 | 60 | "\n -s <suffixes> - only count files with these suffixes (separated" |
universe@0 | 61 | "\n by commas)" |
universe@1 | 62 | "\n -S <suffixes> - count any file except those with these suffixes" |
universe@0 | 63 | "\n (separated by commas)" |
universe@1 | 64 | "\n -r, -R - includes subdirectories" |
universe@0 | 65 | "\n\n" |
universe@1 | 66 | "The default call without any options is:" |
universe@1 | 67 | "\n %s ./\n" |
universe@0 | 68 | "That means each file in each subdirectory is counted. If you want to count" |
universe@0 | 69 | "\nC source code in your working directory and its subdirectories, type:" |
universe@1 | 70 | "\n %s -rs .c\n"; |
universe@1 | 71 | |
universe@3 | 72 | printf(helpText, prgName, prgName, prgName, prgName); |
universe@1 | 73 | } |
universe@1 | 74 | |
universe@1 | 75 | int main(int argc, char** argv) { |
universe@0 | 76 | |
universe@3 | 77 | // Settings |
universe@3 | 78 | settings_t *settings = new_settings_t(); |
universe@5 | 79 | if (settings == NULL) { |
universe@5 | 80 | fprintf(stderr, "Memory allocation failed.\n"); |
universe@5 | 81 | return 1; |
universe@5 | 82 | } |
universe@3 | 83 | |
universe@0 | 84 | // Program name |
universe@3 | 85 | char* prgName = strrchr(argv[0], settings->fileSeparator); |
universe@1 | 86 | |
universe@1 | 87 | if (prgName == NULL) { |
universe@0 | 88 | prgName = argv[0]; |
universe@3 | 89 | } else { |
universe@0 | 90 | prgName++; |
universe@0 | 91 | } |
universe@0 | 92 | |
universe@0 | 93 | // Defaults |
universe@1 | 94 | char* _suffix = " "; |
universe@1 | 95 | char _directory[3]; |
universe@1 | 96 | _directory[0] = '.'; |
universe@3 | 97 | _directory[1] = settings->fileSeparator; |
universe@1 | 98 | _directory[2] = 0; |
universe@0 | 99 | |
universe@0 | 100 | // Get arguments |
universe@0 | 101 | char* directory; |
universe@0 | 102 | char* suffix; |
universe@0 | 103 | bool showHelp = false; |
universe@0 | 104 | char checked = 0; |
universe@0 | 105 | |
universe@1 | 106 | for (int t = 1 ; t < argc ; t++) { |
universe@1 | 107 | |
universe@1 | 108 | int argflags = checkArgument(argv[t], "hsSrRm"); |
universe@1 | 109 | |
universe@1 | 110 | // s |
universe@1 | 111 | if ((argflags & 2) > 0) { |
universe@1 | 112 | if ((checked & 1) > 0) { |
universe@1 | 113 | printHelpText(prgName); |
universe@5 | 114 | destroy_settings_t(settings); |
universe@5 | 115 | return 1; |
universe@0 | 116 | } |
universe@3 | 117 | settings->includeSuffixes = true; |
universe@1 | 118 | t++; |
universe@1 | 119 | if (t >= argc) { |
universe@1 | 120 | printHelpText(prgName); |
universe@5 | 121 | destroy_settings_t(settings); |
universe@5 | 122 | return 1; |
universe@1 | 123 | } |
universe@1 | 124 | suffix = argv[t]; |
universe@0 | 125 | checked |= 1; |
universe@0 | 126 | } |
universe@1 | 127 | // S |
universe@1 | 128 | if ((argflags & 4) > 0) { |
universe@1 | 129 | if ((checked & 1) > 0) { |
universe@1 | 130 | printHelpText(prgName); |
universe@5 | 131 | destroy_settings_t(settings); |
universe@5 | 132 | return 1; |
universe@0 | 133 | } |
universe@3 | 134 | settings->includeSuffixes = false; |
universe@1 | 135 | t++; |
universe@1 | 136 | if (t >= argc) { |
universe@1 | 137 | printHelpText(prgName); |
universe@5 | 138 | destroy_settings_t(settings); |
universe@5 | 139 | return 1; |
universe@1 | 140 | } |
universe@1 | 141 | suffix = argv[t]; |
universe@0 | 142 | checked |= 1; |
universe@0 | 143 | } |
universe@1 | 144 | // h |
universe@1 | 145 | if ((argflags & 1) > 0 || strcmp(argv[t], "--help") == 0) { |
universe@1 | 146 | if ((checked & 2) > 0) { |
universe@1 | 147 | printHelpText(prgName); |
universe@5 | 148 | destroy_settings_t(settings); |
universe@5 | 149 | return 1; |
universe@0 | 150 | } |
universe@0 | 151 | checked |= 2; |
universe@0 | 152 | showHelp = true; |
universe@0 | 153 | } |
universe@1 | 154 | // r, R |
universe@1 | 155 | if ((argflags & 24) > 0) { |
universe@1 | 156 | if ((checked & 4) > 0) { |
universe@1 | 157 | printHelpText(prgName); |
universe@5 | 158 | destroy_settings_t(settings); |
universe@5 | 159 | return 1; |
universe@0 | 160 | } |
universe@0 | 161 | checked |= 4; |
universe@3 | 162 | settings->recursive = true; |
universe@0 | 163 | } |
universe@1 | 164 | if ((argflags & 32) > 0) { |
universe@1 | 165 | if ((checked & 32) > 0) { |
universe@1 | 166 | printHelpText(prgName); |
universe@5 | 167 | destroy_settings_t(settings); |
universe@5 | 168 | return 1; |
universe@0 | 169 | } |
universe@1 | 170 | checked |= 32; |
universe@3 | 171 | settings->matchesOnly = true; |
universe@0 | 172 | } |
universe@6 | 173 | // Path |
universe@1 | 174 | if (argflags == 0) { |
universe@1 | 175 | if ((checked & 8) > 0) { |
universe@1 | 176 | printHelpText(prgName); |
universe@5 | 177 | destroy_settings_t(settings); |
universe@5 | 178 | return 1; |
universe@0 | 179 | } |
universe@1 | 180 | checked |= 8; |
universe@0 | 181 | directory = argv[t]; |
universe@0 | 182 | } |
universe@0 | 183 | } |
universe@0 | 184 | |
universe@0 | 185 | // Show help and quit |
universe@1 | 186 | if (showHelp) { |
universe@1 | 187 | printHelpText(prgName); |
universe@5 | 188 | destroy_settings_t(settings); |
universe@0 | 189 | return 0; |
universe@0 | 190 | } |
universe@0 | 191 | |
universe@0 | 192 | // Default values |
universe@1 | 193 | if ((checked & 1) == 0) { |
universe@0 | 194 | suffix = _suffix; |
universe@0 | 195 | } |
universe@0 | 196 | |
universe@1 | 197 | if ((checked & 8) == 0) { |
universe@0 | 198 | directory = _directory; |
universe@0 | 199 | } |
universe@0 | 200 | |
universe@0 | 201 | // Find tokens |
universe@6 | 202 | char* finder = strtok(suffix, ","); |
universe@1 | 203 | while (finder != NULL) { |
universe@6 | 204 | add_suffix(settings->suffixList, finder); |
universe@0 | 205 | finder = strtok(NULL, ","); |
universe@0 | 206 | } |
universe@0 | 207 | |
universe@0 | 208 | // Open directory |
universe@0 | 209 | DIR *dir = opendir(directory); |
universe@1 | 210 | if (dir == NULL) { |
universe@0 | 211 | perror("Operation failed"); |
universe@4 | 212 | destroy_settings_t(settings); |
universe@0 | 213 | return 1; |
universe@0 | 214 | } |
universe@0 | 215 | |
universe@0 | 216 | // Scan directory |
universe@3 | 217 | int lines = scanDirectory(dir, 0, directory, settings); |
universe@4 | 218 | closedir(dir); |
universe@0 | 219 | |
universe@0 | 220 | // Print double line and line count |
universe@1 | 221 | #ifdef _WIN32 |
universe@3 | 222 | const int columns = 79; |
universe@1 | 223 | #else |
universe@3 | 224 | const int columns = 80; |
universe@1 | 225 | #endif /* _WIN32 */ |
universe@1 | 226 | |
universe@1 | 227 | for (int t = 0 ; t < columns ; t++) { |
universe@0 | 228 | printf("="); |
universe@0 | 229 | } |
universe@1 | 230 | #ifdef _WIN32 |
universe@3 | 231 | printf("\n%73d lines\n", lines); |
universe@1 | 232 | #else |
universe@3 | 233 | printf("\n%74d lines\n", lines); |
universe@1 | 234 | #endif /* _WIN32 */ |
universe@0 | 235 | |
universe@4 | 236 | destroy_settings_t(settings); |
universe@6 | 237 | |
universe@0 | 238 | return 0; |
universe@0 | 239 | } |