cline.c

Thu, 09 Feb 2012 15:56:18 +0100

author
Mike Becker <universe@uap-core.de>
date
Thu, 09 Feb 2012 15:56:18 +0100
changeset 30
d642fdb6745e
parent 28
72a98cbcb9f1
child 31
27c3c1c6b768
permissions
-rw-r--r--

allow parallel use of -s and -S

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

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