src/cline.c

Fri, 28 Dec 2012 16:43:18 +0100

author
Mike Becker <universe@uap-core.de>
date
Fri, 28 Dec 2012 16:43:18 +0100
changeset 36
a7ff583e153f
parent 35
35120de6ee53
child 44
9574a181ec26
permissions
-rw-r--r--

updated copyright year + added make install + removed project files

universe@10 1 /*
universe@34 2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
universe@36 3 * Copyright 2013 Mike Becker. All rights reserved.
universe@34 4 *
universe@34 5 * Redistribution and use in source and binary forms, with or without
universe@34 6 * modification, are permitted provided that the following conditions are met:
universe@34 7 *
universe@34 8 * 1. Redistributions of source code must retain the above copyright
universe@34 9 * notice, this list of conditions and the following disclaimer.
universe@34 10 *
universe@34 11 * 2. Redistributions in binary form must reproduce the above copyright
universe@34 12 * notice, this list of conditions and the following disclaimer in the
universe@34 13 * documentation and/or other materials provided with the distribution.
universe@34 14 *
universe@34 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
universe@34 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
universe@34 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
universe@34 18 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
universe@34 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
universe@34 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
universe@34 21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
universe@34 22 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
universe@34 23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
universe@34 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
universe@34 25 *
universe@10 26 * cline.c
universe@10 27 *
universe@10 28 * Created on: 23.05.2011
universe@20 29 * Author: Mike
universe@10 30 */
universe@10 31
universe@3 32 #include "cline.h"
universe@10 33 #include "scanner.h"
universe@10 34 #include "settings.h"
universe@12 35 #include "arguments.h"
universe@16 36 #include "stream.h"
universe@27 37 #include "regex_parser.h"
universe@0 38
universe@12 39 void printHelpText() {
universe@34 40 printf(
universe@1 41 "\nUsage:"
universe@33 42 "\n cline [Options] [Directories...]"
universe@33 43 "\n cline [Options] [Directories...]"
universe@0 44 "\n\nCounts the line terminator characters (\\n) within all"
universe@33 45 " files in the specified\ndirectories."
universe@0 46 "\n\nOptions:"
universe@21 47 "\n -b <level> - binary file heuristics level (default medium)"
universe@21 48 "\n One of: ignore low medium high"
universe@28 49 "\n -E <pattern> - Excludes any line matching the <pattern>"
universe@27 50 "\n -e <start> <end> - Excludes lines between <start> and <end>"
universe@28 51 "\n You may use these options multiple times"
universe@0 52 "\n -h, --help - this help text"
universe@1 53 "\n -m - print information about matching files only"
universe@1 54 "\n -s <suffixes> - only count files with these suffixes (separated"
universe@0 55 "\n by commas)"
universe@1 56 "\n -S <suffixes> - count any file except those with these suffixes"
universe@0 57 "\n (separated by commas)"
universe@1 58 "\n -r, -R - includes subdirectories"
universe@14 59 "\n -v, --version - print out version information"
universe@16 60 "\n -V - turn verbose output off, print the result only"
universe@31 61 "\n\nShortcuts:"
universe@31 62 "\n --exclude-cstyle-comments"
universe@31 63 "\n = -E \"\\s*//\" -e \"\\s*/\\*\" \"\\*/\\s*\""
universe@0 64 "\n\n"
universe@1 65 "The default call without any options is:"
universe@28 66 "\n cline ./\n\n"
universe@7 67 "So each file in the working directory is counted. If you want to count C"
universe@7 68 "\nsource code in your working directory and its subdirectories, type:"
universe@27 69 "\n cline -rs .c\n"
universe@28 70 "\nIf you want to exclude comment lines, you may use the -e/-E option."
universe@27 71 "\nAfter a line matches the regex pattern <start> any following line is"
universe@28 72 "\nnot counted unless a line matches the <end> pattern. A line is still "
universe@28 73 "\ncounted when it does not start or end with the respective patterns."
universe@28 74 "\nPlease note, that cline does not remove whitespace characters as this"
universe@28 75 "\nmight not be reasonable in some cases."
universe@31 76 "\n\nExample (C without comments):"
universe@36 77 "\n cline -s .c,.h --exclude-cstyle-comments"
universe@36 78 "\n");
universe@1 79 }
universe@1 80
universe@14 81 int exit_with_version(settings_t* settings) {
universe@35 82 printf("cline - Version: %s\n", VERSION);
universe@14 83 destroy_settings_t(settings);
universe@14 84 return 0;
universe@14 85 }
universe@14 86
universe@12 87 int exit_with_help(settings_t* settings, int code) {
universe@12 88 printHelpText();
universe@8 89 destroy_settings_t(settings);
universe@8 90 return code;
universe@8 91 }
universe@8 92
universe@1 93 int main(int argc, char** argv) {
universe@0 94
universe@22 95 /* Settings */
universe@3 96 settings_t *settings = new_settings_t();
universe@5 97 if (settings == NULL) {
universe@5 98 fprintf(stderr, "Memory allocation failed.\n");
universe@5 99 return 1;
universe@5 100 }
universe@3 101
universe@22 102 /* Get arguments */
universe@33 103 string_list_t *directories = new_string_list_t();
universe@33 104 if (directories == NULL) {
universe@33 105 fprintf(stderr, "Memory allocation failed.\n");
universe@33 106 return 1;
universe@33 107 }
universe@30 108 char* includeSuffix = NULL;
universe@30 109 char* excludeSuffix = NULL;
universe@8 110 int checked = 0;
universe@0 111
universe@1 112 for (int t = 1 ; t < argc ; t++) {
universe@1 113
universe@28 114 int argflags = checkArgument(argv[t], "hsSrRmvVbeE");
universe@30 115 int paropt = 0;
universe@1 116
universe@30 117 /* s */
universe@30 118 if ((argflags & 2) > 0) {
universe@30 119 if (!checkParamOpt(&paropt) || registerArgument(&checked, 2)) {
universe@12 120 return exit_with_help(settings, 1);
universe@0 121 }
universe@1 122 t++;
universe@1 123 if (t >= argc) {
universe@12 124 return exit_with_help(settings, 1);
universe@1 125 }
universe@30 126 includeSuffix = argv[t];
universe@30 127 }
universe@30 128 /* S */
universe@30 129 if ((argflags & 4) > 0) {
universe@30 130 if (!checkParamOpt(&paropt) || registerArgument(&checked, 4)) {
universe@30 131 return exit_with_help(settings, 1);
universe@30 132 }
universe@30 133 t++;
universe@30 134 if (t >= argc) {
universe@30 135 return exit_with_help(settings, 1);
universe@30 136 }
universe@30 137 excludeSuffix = argv[t];
universe@0 138 }
universe@22 139 /* h */
universe@1 140 if ((argflags & 1) > 0 || strcmp(argv[t], "--help") == 0) {
universe@14 141 return exit_with_help(settings, 0);
universe@0 142 }
universe@22 143 /* r, R */
universe@1 144 if ((argflags & 24) > 0) {
universe@8 145 if (registerArgument(&checked, 24)) {
universe@12 146 return exit_with_help(settings, 1);
universe@0 147 }
universe@3 148 settings->recursive = true;
universe@0 149 }
universe@22 150 /* m */
universe@1 151 if ((argflags & 32) > 0) {
universe@8 152 if (registerArgument(&checked, 32)) {
universe@12 153 return exit_with_help(settings, 1);
universe@0 154 }
universe@3 155 settings->matchesOnly = true;
universe@0 156 }
universe@22 157 /* v */
universe@14 158 if ((argflags & 64) > 0 || strcmp(argv[t], "--version") == 0) {
universe@14 159 return exit_with_version(settings);
universe@14 160 }
universe@22 161 /* V */
universe@16 162 if ((argflags & 128) > 0) {
universe@16 163 if (registerArgument(&checked, 128)) {
universe@16 164 return exit_with_help(settings, 1);
universe@16 165 }
universe@16 166 settings->verbose = false;
universe@16 167 }
universe@22 168 /* b */
universe@21 169 if ((argflags & 256) > 0) {
universe@30 170 if (!checkParamOpt(&paropt) || registerArgument(&checked, 256)) {
universe@21 171 return exit_with_help(settings, 1);
universe@21 172 }
universe@21 173 t++;
universe@21 174 if (t >= argc) {
universe@21 175 return exit_with_help(settings, 1);
universe@21 176 }
universe@24 177 if (strcasecmp(argv[t], "ignore") == 0) {
universe@21 178 settings->bfileHeuristics->level = BFILE_IGNORE;
universe@24 179 } else if (strcasecmp(argv[t], "low") == 0) {
universe@21 180 settings->bfileHeuristics->level = BFILE_LOW_ACCURACY;
universe@24 181 } else if (strcasecmp(argv[t], "medium") == 0) {
universe@21 182 settings->bfileHeuristics->level = BFILE_MEDIUM_ACCURACY;
universe@24 183 } else if (strcasecmp(argv[t], "high") == 0) {
universe@21 184 settings->bfileHeuristics->level = BFILE_HIGH_ACCURACY;
universe@21 185 } else {
universe@21 186 return exit_with_help(settings, 1);
universe@21 187 }
universe@21 188 }
universe@28 189 /* e */
universe@27 190 if ((argflags & 512) > 0) {
universe@30 191 if (!checkParamOpt(&paropt) || t + 2 >= argc) {
universe@27 192 return exit_with_help(settings, 1);
universe@27 193 }
universe@27 194 t++; add_string(settings->regex->pattern_list, argv[t]);
universe@27 195 t++; add_string(settings->regex->pattern_list, argv[t]);
universe@27 196 }
universe@28 197 /* E */
universe@28 198 if ((argflags & 1024) > 0) {
universe@28 199 t++;
universe@30 200 if (!checkParamOpt(&paropt) || t >= argc) {
universe@28 201 return exit_with_help(settings, 1);
universe@28 202 }
universe@28 203 add_string(settings->regex->pattern_list, argv[t]);
universe@28 204 add_string(settings->regex->pattern_list, "$");
universe@28 205 }
universe@1 206 if (argflags == 0) {
universe@31 207 /* SHORTCUTS */
universe@31 208 /* exclude-cstyle-comments */
universe@31 209 if (strcmp(argv[t], "--exclude-cstyle-comments") == 0) {
universe@31 210 add_string(settings->regex->pattern_list, "\\s*//");
universe@31 211 add_string(settings->regex->pattern_list, "$");
universe@31 212 add_string(settings->regex->pattern_list, "\\s*/\\*");
universe@31 213 add_string(settings->regex->pattern_list, "\\*/\\s*");
universe@31 214 }
universe@31 215 /* Path */
universe@33 216 else {
universe@33 217 add_string(directories, argv[t]);
universe@0 218 }
universe@0 219 }
universe@0 220 }
universe@0 221
universe@22 222 /* Configure output */
universe@16 223 if (!settings->verbose) {
universe@16 224 close_stdout();
universe@16 225 }
universe@16 226
universe@22 227 /* Find tokens */
universe@30 228 parseCSL(includeSuffix, settings->includeSuffixes);
universe@30 229 parseCSL(excludeSuffix, settings->excludeSuffixes);
universe@0 230
universe@33 231 /* Scan directories */
universe@28 232 if (regex_compile_all(settings->regex)) {
universe@33 233 int lines = 0;
universe@33 234 if (directories->count == 0) {
universe@33 235 add_string(directories, ".");
universe@33 236 }
universe@33 237 for (int t = 0 ; t < directories->count ; t++) {
universe@33 238 if (t > 0) {
universe@33 239 for (int u = 0 ; u < 79 ; u++) {
universe@33 240 printf("-");
universe@33 241 }
universe@33 242 printf("\n");
universe@33 243 }
universe@33 244 lines += scanDirectory((scanner_t){directories->items[t], 0}, settings);
universe@33 245 }
universe@33 246 destroy_string_list_t(directories);
universe@0 247
universe@28 248 /* Print double line and line count */
universe@28 249 for (int t = 0 ; t < 79 ; t++) {
universe@28 250 printf("=");
universe@28 251 }
universe@28 252 printf("\n%73d lines\n", lines);
universe@0 253
universe@28 254 if (settings->confusing_lnlen && settings->regex->pattern_list->count > 0) {
universe@28 255 printf("\nSome files contain too long lines.\n"
universe@28 256 "The regex parser currently supports a maximum line length of %d."
universe@28 257 "\nThe result might be wrong.\n", REGEX_MAX_LINELENGTH);
universe@28 258 }
universe@25 259
universe@28 260 if (!settings->verbose) {
universe@28 261 reopen_stdout();
universe@28 262 printf("%d", lines);
universe@28 263 }
universe@33 264 destroy_settings_t(settings);
universe@16 265 }
universe@16 266
universe@16 267 fflush(stdout);
universe@28 268 fflush(stderr);
universe@0 269 return 0;
universe@0 270 }

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