comparison: cline.c
cline.c
- changeset 34
- fa9bda32de17
- parent 32
- 51d6e45a7592
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| 33:1a2d7298bc82 | 34:fa9bda32de17 |
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| 1 /* | |
| 2 * cline.c | |
| 3 * | |
| 4 * Created on: 23.05.2011 | |
| 5 * Author: Mike | |
| 6 */ | |
| 7 | |
| 8 #include "cline.h" | |
| 9 #include "scanner.h" | |
| 10 #include "settings.h" | |
| 11 #include "arguments.h" | |
| 12 #include "stream.h" | |
| 13 #include "regex_parser.h" | |
| 14 | |
| 15 void printHelpText() { | |
| 16 const char* helpText = | |
| 17 "\nUsage:" | |
| 18 "\n cline [Options] [Directories...]" | |
| 19 "\n cline [Options] [Directories...]" | |
| 20 "\n\nCounts the line terminator characters (\\n) within all" | |
| 21 " files in the specified\ndirectories." | |
| 22 "\n\nOptions:" | |
| 23 "\n -b <level> - binary file heuristics level (default medium)" | |
| 24 "\n One of: ignore low medium high" | |
| 25 "\n -E <pattern> - Excludes any line matching the <pattern>" | |
| 26 "\n -e <start> <end> - Excludes lines between <start> and <end>" | |
| 27 "\n You may use these options multiple times" | |
| 28 "\n -h, --help - this help text" | |
| 29 "\n -m - print information about matching files only" | |
| 30 "\n -s <suffixes> - only count files with these suffixes (separated" | |
| 31 "\n by commas)" | |
| 32 "\n -S <suffixes> - count any file except those with these suffixes" | |
| 33 "\n (separated by commas)" | |
| 34 "\n -r, -R - includes subdirectories" | |
| 35 "\n -v, --version - print out version information" | |
| 36 "\n -V - turn verbose output off, print the result only" | |
| 37 "\n\nShortcuts:" | |
| 38 "\n --exclude-cstyle-comments" | |
| 39 "\n = -E \"\\s*//\" -e \"\\s*/\\*\" \"\\*/\\s*\"" | |
| 40 "\n\n" | |
| 41 "The default call without any options is:" | |
| 42 "\n cline ./\n\n" | |
| 43 "So each file in the working directory is counted. If you want to count C" | |
| 44 "\nsource code in your working directory and its subdirectories, type:" | |
| 45 "\n cline -rs .c\n" | |
| 46 "\nIf you want to exclude comment lines, you may use the -e/-E option." | |
| 47 "\nAfter a line matches the regex pattern <start> any following line is" | |
| 48 "\nnot counted unless a line matches the <end> pattern. A line is still " | |
| 49 "\ncounted when it does not start or end with the respective patterns." | |
| 50 "\nPlease note, that cline does not remove whitespace characters as this" | |
| 51 "\nmight not be reasonable in some cases." | |
| 52 "\n\nExample (C without comments):" | |
| 53 "\n cline -s .c,.h --exclude-cstyle-comments"; | |
| 54 | |
| 55 printf(helpText); | |
| 56 } | |
| 57 | |
| 58 int exit_with_version(settings_t* settings) { | |
| 59 printf("cline - Revision: %s\n", VERSION); | |
| 60 destroy_settings_t(settings); | |
| 61 return 0; | |
| 62 } | |
| 63 | |
| 64 int exit_with_help(settings_t* settings, int code) { | |
| 65 printHelpText(); | |
| 66 destroy_settings_t(settings); | |
| 67 return code; | |
| 68 } | |
| 69 | |
| 70 int main(int argc, char** argv) { | |
| 71 | |
| 72 /* Settings */ | |
| 73 settings_t *settings = new_settings_t(); | |
| 74 if (settings == NULL) { | |
| 75 fprintf(stderr, "Memory allocation failed.\n"); | |
| 76 return 1; | |
| 77 } | |
| 78 | |
| 79 /* Get arguments */ | |
| 80 string_list_t *directories = new_string_list_t(); | |
| 81 if (directories == NULL) { | |
| 82 fprintf(stderr, "Memory allocation failed.\n"); | |
| 83 return 1; | |
| 84 } | |
| 85 char* includeSuffix = NULL; | |
| 86 char* excludeSuffix = NULL; | |
| 87 int checked = 0; | |
| 88 | |
| 89 for (int t = 1 ; t < argc ; t++) { | |
| 90 | |
| 91 int argflags = checkArgument(argv[t], "hsSrRmvVbeE"); | |
| 92 int paropt = 0; | |
| 93 | |
| 94 /* s */ | |
| 95 if ((argflags & 2) > 0) { | |
| 96 if (!checkParamOpt(&paropt) || registerArgument(&checked, 2)) { | |
| 97 return exit_with_help(settings, 1); | |
| 98 } | |
| 99 t++; | |
| 100 if (t >= argc) { | |
| 101 return exit_with_help(settings, 1); | |
| 102 } | |
| 103 includeSuffix = argv[t]; | |
| 104 } | |
| 105 /* S */ | |
| 106 if ((argflags & 4) > 0) { | |
| 107 if (!checkParamOpt(&paropt) || registerArgument(&checked, 4)) { | |
| 108 return exit_with_help(settings, 1); | |
| 109 } | |
| 110 t++; | |
| 111 if (t >= argc) { | |
| 112 return exit_with_help(settings, 1); | |
| 113 } | |
| 114 excludeSuffix = argv[t]; | |
| 115 } | |
| 116 /* h */ | |
| 117 if ((argflags & 1) > 0 || strcmp(argv[t], "--help") == 0) { | |
| 118 return exit_with_help(settings, 0); | |
| 119 } | |
| 120 /* r, R */ | |
| 121 if ((argflags & 24) > 0) { | |
| 122 if (registerArgument(&checked, 24)) { | |
| 123 return exit_with_help(settings, 1); | |
| 124 } | |
| 125 settings->recursive = true; | |
| 126 } | |
| 127 /* m */ | |
| 128 if ((argflags & 32) > 0) { | |
| 129 if (registerArgument(&checked, 32)) { | |
| 130 return exit_with_help(settings, 1); | |
| 131 } | |
| 132 settings->matchesOnly = true; | |
| 133 } | |
| 134 /* v */ | |
| 135 if ((argflags & 64) > 0 || strcmp(argv[t], "--version") == 0) { | |
| 136 return exit_with_version(settings); | |
| 137 } | |
| 138 /* V */ | |
| 139 if ((argflags & 128) > 0) { | |
| 140 if (registerArgument(&checked, 128)) { | |
| 141 return exit_with_help(settings, 1); | |
| 142 } | |
| 143 settings->verbose = false; | |
| 144 } | |
| 145 /* b */ | |
| 146 if ((argflags & 256) > 0) { | |
| 147 if (!checkParamOpt(&paropt) || registerArgument(&checked, 256)) { | |
| 148 return exit_with_help(settings, 1); | |
| 149 } | |
| 150 t++; | |
| 151 if (t >= argc) { | |
| 152 return exit_with_help(settings, 1); | |
| 153 } | |
| 154 if (strcasecmp(argv[t], "ignore") == 0) { | |
| 155 settings->bfileHeuristics->level = BFILE_IGNORE; | |
| 156 } else if (strcasecmp(argv[t], "low") == 0) { | |
| 157 settings->bfileHeuristics->level = BFILE_LOW_ACCURACY; | |
| 158 } else if (strcasecmp(argv[t], "medium") == 0) { | |
| 159 settings->bfileHeuristics->level = BFILE_MEDIUM_ACCURACY; | |
| 160 } else if (strcasecmp(argv[t], "high") == 0) { | |
| 161 settings->bfileHeuristics->level = BFILE_HIGH_ACCURACY; | |
| 162 } else { | |
| 163 return exit_with_help(settings, 1); | |
| 164 } | |
| 165 } | |
| 166 /* e */ | |
| 167 if ((argflags & 512) > 0) { | |
| 168 if (!checkParamOpt(&paropt) || t + 2 >= argc) { | |
| 169 return exit_with_help(settings, 1); | |
| 170 } | |
| 171 t++; add_string(settings->regex->pattern_list, argv[t]); | |
| 172 t++; add_string(settings->regex->pattern_list, argv[t]); | |
| 173 } | |
| 174 /* E */ | |
| 175 if ((argflags & 1024) > 0) { | |
| 176 t++; | |
| 177 if (!checkParamOpt(&paropt) || t >= argc) { | |
| 178 return exit_with_help(settings, 1); | |
| 179 } | |
| 180 add_string(settings->regex->pattern_list, argv[t]); | |
| 181 add_string(settings->regex->pattern_list, "$"); | |
| 182 } | |
| 183 if (argflags == 0) { | |
| 184 /* SHORTCUTS */ | |
| 185 /* exclude-cstyle-comments */ | |
| 186 if (strcmp(argv[t], "--exclude-cstyle-comments") == 0) { | |
| 187 add_string(settings->regex->pattern_list, "\\s*//"); | |
| 188 add_string(settings->regex->pattern_list, "$"); | |
| 189 add_string(settings->regex->pattern_list, "\\s*/\\*"); | |
| 190 add_string(settings->regex->pattern_list, "\\*/\\s*"); | |
| 191 } | |
| 192 /* Path */ | |
| 193 else { | |
| 194 add_string(directories, argv[t]); | |
| 195 } | |
| 196 } | |
| 197 } | |
| 198 | |
| 199 /* Configure output */ | |
| 200 if (!settings->verbose) { | |
| 201 close_stdout(); | |
| 202 } | |
| 203 | |
| 204 /* Find tokens */ | |
| 205 parseCSL(includeSuffix, settings->includeSuffixes); | |
| 206 parseCSL(excludeSuffix, settings->excludeSuffixes); | |
| 207 | |
| 208 /* Scan directories */ | |
| 209 if (regex_compile_all(settings->regex)) { | |
| 210 int lines = 0; | |
| 211 if (directories->count == 0) { | |
| 212 add_string(directories, "."); | |
| 213 } | |
| 214 for (int t = 0 ; t < directories->count ; t++) { | |
| 215 if (t > 0) { | |
| 216 for (int u = 0 ; u < 79 ; u++) { | |
| 217 printf("-"); | |
| 218 } | |
| 219 printf("\n"); | |
| 220 } | |
| 221 lines += scanDirectory((scanner_t){directories->items[t], 0}, settings); | |
| 222 } | |
| 223 destroy_string_list_t(directories); | |
| 224 | |
| 225 /* Print double line and line count */ | |
| 226 for (int t = 0 ; t < 79 ; t++) { | |
| 227 printf("="); | |
| 228 } | |
| 229 printf("\n%73d lines\n", lines); | |
| 230 | |
| 231 if (settings->confusing_lnlen && settings->regex->pattern_list->count > 0) { | |
| 232 printf("\nSome files contain too long lines.\n" | |
| 233 "The regex parser currently supports a maximum line length of %d." | |
| 234 "\nThe result might be wrong.\n", REGEX_MAX_LINELENGTH); | |
| 235 } | |
| 236 | |
| 237 if (!settings->verbose) { | |
| 238 reopen_stdout(); | |
| 239 printf("%d", lines); | |
| 240 } | |
| 241 destroy_settings_t(settings); | |
| 242 } | |
| 243 | |
| 244 fflush(stdout); | |
| 245 fflush(stderr); | |
| 246 return 0; | |
| 247 } |
