cline.c

Mon, 13 Feb 2012 19:10:00 +0100

author
Mike Becker <universe@uap-core.de>
date
Mon, 13 Feb 2012 19:10:00 +0100
changeset 31
27c3c1c6b768
parent 30
d642fdb6745e
child 32
51d6e45a7592
permissions
-rw-r--r--

added --exclude-cstyle-comments shortcut

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

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