src/cline.c

Fri, 28 Dec 2012 15:44:28 +0100

author
Mike Becker <universe@uap-core.de>
date
Fri, 28 Dec 2012 15:44:28 +0100
changeset 34
fa9bda32de17
parent 33
cline.c@1a2d7298bc82
child 35
35120de6ee53
permissions
-rw-r--r--

moved src files to src subdirectory and added licence text

universe@10 1 /*
universe@34 2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
universe@34 3 * Copyright 2011 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@34 77 "\n cline -s .c,.h --exclude-cstyle-comments");
universe@1 78 }
universe@1 79
universe@14 80 int exit_with_version(settings_t* settings) {
universe@32 81 printf("cline - Revision: %s\n", VERSION);
universe@14 82 destroy_settings_t(settings);
universe@14 83 return 0;
universe@14 84 }
universe@14 85
universe@12 86 int exit_with_help(settings_t* settings, int code) {
universe@12 87 printHelpText();
universe@8 88 destroy_settings_t(settings);
universe@8 89 return code;
universe@8 90 }
universe@8 91
universe@1 92 int main(int argc, char** argv) {
universe@0 93
universe@22 94 /* Settings */
universe@3 95 settings_t *settings = new_settings_t();
universe@5 96 if (settings == NULL) {
universe@5 97 fprintf(stderr, "Memory allocation failed.\n");
universe@5 98 return 1;
universe@5 99 }
universe@3 100
universe@22 101 /* Get arguments */
universe@33 102 string_list_t *directories = new_string_list_t();
universe@33 103 if (directories == NULL) {
universe@33 104 fprintf(stderr, "Memory allocation failed.\n");
universe@33 105 return 1;
universe@33 106 }
universe@30 107 char* includeSuffix = NULL;
universe@30 108 char* excludeSuffix = NULL;
universe@8 109 int checked = 0;
universe@0 110
universe@1 111 for (int t = 1 ; t < argc ; t++) {
universe@1 112
universe@28 113 int argflags = checkArgument(argv[t], "hsSrRmvVbeE");
universe@30 114 int paropt = 0;
universe@1 115
universe@30 116 /* s */
universe@30 117 if ((argflags & 2) > 0) {
universe@30 118 if (!checkParamOpt(&paropt) || registerArgument(&checked, 2)) {
universe@12 119 return exit_with_help(settings, 1);
universe@0 120 }
universe@1 121 t++;
universe@1 122 if (t >= argc) {
universe@12 123 return exit_with_help(settings, 1);
universe@1 124 }
universe@30 125 includeSuffix = argv[t];
universe@30 126 }
universe@30 127 /* S */
universe@30 128 if ((argflags & 4) > 0) {
universe@30 129 if (!checkParamOpt(&paropt) || registerArgument(&checked, 4)) {
universe@30 130 return exit_with_help(settings, 1);
universe@30 131 }
universe@30 132 t++;
universe@30 133 if (t >= argc) {
universe@30 134 return exit_with_help(settings, 1);
universe@30 135 }
universe@30 136 excludeSuffix = argv[t];
universe@0 137 }
universe@22 138 /* h */
universe@1 139 if ((argflags & 1) > 0 || strcmp(argv[t], "--help") == 0) {
universe@14 140 return exit_with_help(settings, 0);
universe@0 141 }
universe@22 142 /* r, R */
universe@1 143 if ((argflags & 24) > 0) {
universe@8 144 if (registerArgument(&checked, 24)) {
universe@12 145 return exit_with_help(settings, 1);
universe@0 146 }
universe@3 147 settings->recursive = true;
universe@0 148 }
universe@22 149 /* m */
universe@1 150 if ((argflags & 32) > 0) {
universe@8 151 if (registerArgument(&checked, 32)) {
universe@12 152 return exit_with_help(settings, 1);
universe@0 153 }
universe@3 154 settings->matchesOnly = true;
universe@0 155 }
universe@22 156 /* v */
universe@14 157 if ((argflags & 64) > 0 || strcmp(argv[t], "--version") == 0) {
universe@14 158 return exit_with_version(settings);
universe@14 159 }
universe@22 160 /* V */
universe@16 161 if ((argflags & 128) > 0) {
universe@16 162 if (registerArgument(&checked, 128)) {
universe@16 163 return exit_with_help(settings, 1);
universe@16 164 }
universe@16 165 settings->verbose = false;
universe@16 166 }
universe@22 167 /* b */
universe@21 168 if ((argflags & 256) > 0) {
universe@30 169 if (!checkParamOpt(&paropt) || registerArgument(&checked, 256)) {
universe@21 170 return exit_with_help(settings, 1);
universe@21 171 }
universe@21 172 t++;
universe@21 173 if (t >= argc) {
universe@21 174 return exit_with_help(settings, 1);
universe@21 175 }
universe@24 176 if (strcasecmp(argv[t], "ignore") == 0) {
universe@21 177 settings->bfileHeuristics->level = BFILE_IGNORE;
universe@24 178 } else if (strcasecmp(argv[t], "low") == 0) {
universe@21 179 settings->bfileHeuristics->level = BFILE_LOW_ACCURACY;
universe@24 180 } else if (strcasecmp(argv[t], "medium") == 0) {
universe@21 181 settings->bfileHeuristics->level = BFILE_MEDIUM_ACCURACY;
universe@24 182 } else if (strcasecmp(argv[t], "high") == 0) {
universe@21 183 settings->bfileHeuristics->level = BFILE_HIGH_ACCURACY;
universe@21 184 } else {
universe@21 185 return exit_with_help(settings, 1);
universe@21 186 }
universe@21 187 }
universe@28 188 /* e */
universe@27 189 if ((argflags & 512) > 0) {
universe@30 190 if (!checkParamOpt(&paropt) || t + 2 >= argc) {
universe@27 191 return exit_with_help(settings, 1);
universe@27 192 }
universe@27 193 t++; add_string(settings->regex->pattern_list, argv[t]);
universe@27 194 t++; add_string(settings->regex->pattern_list, argv[t]);
universe@27 195 }
universe@28 196 /* E */
universe@28 197 if ((argflags & 1024) > 0) {
universe@28 198 t++;
universe@30 199 if (!checkParamOpt(&paropt) || t >= argc) {
universe@28 200 return exit_with_help(settings, 1);
universe@28 201 }
universe@28 202 add_string(settings->regex->pattern_list, argv[t]);
universe@28 203 add_string(settings->regex->pattern_list, "$");
universe@28 204 }
universe@1 205 if (argflags == 0) {
universe@31 206 /* SHORTCUTS */
universe@31 207 /* exclude-cstyle-comments */
universe@31 208 if (strcmp(argv[t], "--exclude-cstyle-comments") == 0) {
universe@31 209 add_string(settings->regex->pattern_list, "\\s*//");
universe@31 210 add_string(settings->regex->pattern_list, "$");
universe@31 211 add_string(settings->regex->pattern_list, "\\s*/\\*");
universe@31 212 add_string(settings->regex->pattern_list, "\\*/\\s*");
universe@31 213 }
universe@31 214 /* Path */
universe@33 215 else {
universe@33 216 add_string(directories, argv[t]);
universe@0 217 }
universe@0 218 }
universe@0 219 }
universe@0 220
universe@22 221 /* Configure output */
universe@16 222 if (!settings->verbose) {
universe@16 223 close_stdout();
universe@16 224 }
universe@16 225
universe@22 226 /* Find tokens */
universe@30 227 parseCSL(includeSuffix, settings->includeSuffixes);
universe@30 228 parseCSL(excludeSuffix, settings->excludeSuffixes);
universe@0 229
universe@33 230 /* Scan directories */
universe@28 231 if (regex_compile_all(settings->regex)) {
universe@33 232 int lines = 0;
universe@33 233 if (directories->count == 0) {
universe@33 234 add_string(directories, ".");
universe@33 235 }
universe@33 236 for (int t = 0 ; t < directories->count ; t++) {
universe@33 237 if (t > 0) {
universe@33 238 for (int u = 0 ; u < 79 ; u++) {
universe@33 239 printf("-");
universe@33 240 }
universe@33 241 printf("\n");
universe@33 242 }
universe@33 243 lines += scanDirectory((scanner_t){directories->items[t], 0}, settings);
universe@33 244 }
universe@33 245 destroy_string_list_t(directories);
universe@0 246
universe@28 247 /* Print double line and line count */
universe@28 248 for (int t = 0 ; t < 79 ; t++) {
universe@28 249 printf("=");
universe@28 250 }
universe@28 251 printf("\n%73d lines\n", lines);
universe@0 252
universe@28 253 if (settings->confusing_lnlen && settings->regex->pattern_list->count > 0) {
universe@28 254 printf("\nSome files contain too long lines.\n"
universe@28 255 "The regex parser currently supports a maximum line length of %d."
universe@28 256 "\nThe result might be wrong.\n", REGEX_MAX_LINELENGTH);
universe@28 257 }
universe@25 258
universe@28 259 if (!settings->verbose) {
universe@28 260 reopen_stdout();
universe@28 261 printf("%d", lines);
universe@28 262 }
universe@33 263 destroy_settings_t(settings);
universe@16 264 }
universe@16 265
universe@16 266 fflush(stdout);
universe@28 267 fflush(stderr);
universe@0 268 return 0;
universe@0 269 }

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