1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/cline.c Fri Dec 28 15:44:28 2012 +0100
1.3 @@ -0,0 +1,269 @@
1.4 +/*
1.5 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
1.6 + * Copyright 2011 Mike Becker. All rights reserved.
1.7 + *
1.8 + * Redistribution and use in source and binary forms, with or without
1.9 + * modification, are permitted provided that the following conditions are met:
1.10 + *
1.11 + * 1. Redistributions of source code must retain the above copyright
1.12 + * notice, this list of conditions and the following disclaimer.
1.13 + *
1.14 + * 2. Redistributions in binary form must reproduce the above copyright
1.15 + * notice, this list of conditions and the following disclaimer in the
1.16 + * documentation and/or other materials provided with the distribution.
1.17 + *
1.18 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
1.19 + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1.20 + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
1.21 + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
1.22 + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
1.23 + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
1.24 + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
1.25 + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
1.26 + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
1.27 + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.28 + *
1.29 + * cline.c
1.30 + *
1.31 + * Created on: 23.05.2011
1.32 + * Author: Mike
1.33 + */
1.34 +
1.35 +#include "cline.h"
1.36 +#include "scanner.h"
1.37 +#include "settings.h"
1.38 +#include "arguments.h"
1.39 +#include "stream.h"
1.40 +#include "regex_parser.h"
1.41 +
1.42 +void printHelpText() {
1.43 + printf(
1.44 + "\nUsage:"
1.45 + "\n cline [Options] [Directories...]"
1.46 + "\n cline [Options] [Directories...]"
1.47 + "\n\nCounts the line terminator characters (\\n) within all"
1.48 + " files in the specified\ndirectories."
1.49 + "\n\nOptions:"
1.50 + "\n -b <level> - binary file heuristics level (default medium)"
1.51 + "\n One of: ignore low medium high"
1.52 + "\n -E <pattern> - Excludes any line matching the <pattern>"
1.53 + "\n -e <start> <end> - Excludes lines between <start> and <end>"
1.54 + "\n You may use these options multiple times"
1.55 + "\n -h, --help - this help text"
1.56 + "\n -m - print information about matching files only"
1.57 + "\n -s <suffixes> - only count files with these suffixes (separated"
1.58 + "\n by commas)"
1.59 + "\n -S <suffixes> - count any file except those with these suffixes"
1.60 + "\n (separated by commas)"
1.61 + "\n -r, -R - includes subdirectories"
1.62 + "\n -v, --version - print out version information"
1.63 + "\n -V - turn verbose output off, print the result only"
1.64 + "\n\nShortcuts:"
1.65 + "\n --exclude-cstyle-comments"
1.66 + "\n = -E \"\\s*//\" -e \"\\s*/\\*\" \"\\*/\\s*\""
1.67 + "\n\n"
1.68 + "The default call without any options is:"
1.69 + "\n cline ./\n\n"
1.70 + "So each file in the working directory is counted. If you want to count C"
1.71 + "\nsource code in your working directory and its subdirectories, type:"
1.72 + "\n cline -rs .c\n"
1.73 + "\nIf you want to exclude comment lines, you may use the -e/-E option."
1.74 + "\nAfter a line matches the regex pattern <start> any following line is"
1.75 + "\nnot counted unless a line matches the <end> pattern. A line is still "
1.76 + "\ncounted when it does not start or end with the respective patterns."
1.77 + "\nPlease note, that cline does not remove whitespace characters as this"
1.78 + "\nmight not be reasonable in some cases."
1.79 + "\n\nExample (C without comments):"
1.80 + "\n cline -s .c,.h --exclude-cstyle-comments");
1.81 +}
1.82 +
1.83 +int exit_with_version(settings_t* settings) {
1.84 + printf("cline - Revision: %s\n", VERSION);
1.85 + destroy_settings_t(settings);
1.86 + return 0;
1.87 +}
1.88 +
1.89 +int exit_with_help(settings_t* settings, int code) {
1.90 + printHelpText();
1.91 + destroy_settings_t(settings);
1.92 + return code;
1.93 +}
1.94 +
1.95 +int main(int argc, char** argv) {
1.96 +
1.97 + /* Settings */
1.98 + settings_t *settings = new_settings_t();
1.99 + if (settings == NULL) {
1.100 + fprintf(stderr, "Memory allocation failed.\n");
1.101 + return 1;
1.102 + }
1.103 +
1.104 + /* Get arguments */
1.105 + string_list_t *directories = new_string_list_t();
1.106 + if (directories == NULL) {
1.107 + fprintf(stderr, "Memory allocation failed.\n");
1.108 + return 1;
1.109 + }
1.110 + char* includeSuffix = NULL;
1.111 + char* excludeSuffix = NULL;
1.112 + int checked = 0;
1.113 +
1.114 + for (int t = 1 ; t < argc ; t++) {
1.115 +
1.116 + int argflags = checkArgument(argv[t], "hsSrRmvVbeE");
1.117 + int paropt = 0;
1.118 +
1.119 + /* s */
1.120 + if ((argflags & 2) > 0) {
1.121 + if (!checkParamOpt(&paropt) || registerArgument(&checked, 2)) {
1.122 + return exit_with_help(settings, 1);
1.123 + }
1.124 + t++;
1.125 + if (t >= argc) {
1.126 + return exit_with_help(settings, 1);
1.127 + }
1.128 + includeSuffix = argv[t];
1.129 + }
1.130 + /* S */
1.131 + if ((argflags & 4) > 0) {
1.132 + if (!checkParamOpt(&paropt) || registerArgument(&checked, 4)) {
1.133 + return exit_with_help(settings, 1);
1.134 + }
1.135 + t++;
1.136 + if (t >= argc) {
1.137 + return exit_with_help(settings, 1);
1.138 + }
1.139 + excludeSuffix = argv[t];
1.140 + }
1.141 + /* h */
1.142 + if ((argflags & 1) > 0 || strcmp(argv[t], "--help") == 0) {
1.143 + return exit_with_help(settings, 0);
1.144 + }
1.145 + /* r, R */
1.146 + if ((argflags & 24) > 0) {
1.147 + if (registerArgument(&checked, 24)) {
1.148 + return exit_with_help(settings, 1);
1.149 + }
1.150 + settings->recursive = true;
1.151 + }
1.152 + /* m */
1.153 + if ((argflags & 32) > 0) {
1.154 + if (registerArgument(&checked, 32)) {
1.155 + return exit_with_help(settings, 1);
1.156 + }
1.157 + settings->matchesOnly = true;
1.158 + }
1.159 + /* v */
1.160 + if ((argflags & 64) > 0 || strcmp(argv[t], "--version") == 0) {
1.161 + return exit_with_version(settings);
1.162 + }
1.163 + /* V */
1.164 + if ((argflags & 128) > 0) {
1.165 + if (registerArgument(&checked, 128)) {
1.166 + return exit_with_help(settings, 1);
1.167 + }
1.168 + settings->verbose = false;
1.169 + }
1.170 + /* b */
1.171 + if ((argflags & 256) > 0) {
1.172 + if (!checkParamOpt(&paropt) || registerArgument(&checked, 256)) {
1.173 + return exit_with_help(settings, 1);
1.174 + }
1.175 + t++;
1.176 + if (t >= argc) {
1.177 + return exit_with_help(settings, 1);
1.178 + }
1.179 + if (strcasecmp(argv[t], "ignore") == 0) {
1.180 + settings->bfileHeuristics->level = BFILE_IGNORE;
1.181 + } else if (strcasecmp(argv[t], "low") == 0) {
1.182 + settings->bfileHeuristics->level = BFILE_LOW_ACCURACY;
1.183 + } else if (strcasecmp(argv[t], "medium") == 0) {
1.184 + settings->bfileHeuristics->level = BFILE_MEDIUM_ACCURACY;
1.185 + } else if (strcasecmp(argv[t], "high") == 0) {
1.186 + settings->bfileHeuristics->level = BFILE_HIGH_ACCURACY;
1.187 + } else {
1.188 + return exit_with_help(settings, 1);
1.189 + }
1.190 + }
1.191 + /* e */
1.192 + if ((argflags & 512) > 0) {
1.193 + if (!checkParamOpt(&paropt) || t + 2 >= argc) {
1.194 + return exit_with_help(settings, 1);
1.195 + }
1.196 + t++; add_string(settings->regex->pattern_list, argv[t]);
1.197 + t++; add_string(settings->regex->pattern_list, argv[t]);
1.198 + }
1.199 + /* E */
1.200 + if ((argflags & 1024) > 0) {
1.201 + t++;
1.202 + if (!checkParamOpt(&paropt) || t >= argc) {
1.203 + return exit_with_help(settings, 1);
1.204 + }
1.205 + add_string(settings->regex->pattern_list, argv[t]);
1.206 + add_string(settings->regex->pattern_list, "$");
1.207 + }
1.208 + if (argflags == 0) {
1.209 + /* SHORTCUTS */
1.210 + /* exclude-cstyle-comments */
1.211 + if (strcmp(argv[t], "--exclude-cstyle-comments") == 0) {
1.212 + add_string(settings->regex->pattern_list, "\\s*//");
1.213 + add_string(settings->regex->pattern_list, "$");
1.214 + add_string(settings->regex->pattern_list, "\\s*/\\*");
1.215 + add_string(settings->regex->pattern_list, "\\*/\\s*");
1.216 + }
1.217 + /* Path */
1.218 + else {
1.219 + add_string(directories, argv[t]);
1.220 + }
1.221 + }
1.222 + }
1.223 +
1.224 + /* Configure output */
1.225 + if (!settings->verbose) {
1.226 + close_stdout();
1.227 + }
1.228 +
1.229 + /* Find tokens */
1.230 + parseCSL(includeSuffix, settings->includeSuffixes);
1.231 + parseCSL(excludeSuffix, settings->excludeSuffixes);
1.232 +
1.233 + /* Scan directories */
1.234 + if (regex_compile_all(settings->regex)) {
1.235 + int lines = 0;
1.236 + if (directories->count == 0) {
1.237 + add_string(directories, ".");
1.238 + }
1.239 + for (int t = 0 ; t < directories->count ; t++) {
1.240 + if (t > 0) {
1.241 + for (int u = 0 ; u < 79 ; u++) {
1.242 + printf("-");
1.243 + }
1.244 + printf("\n");
1.245 + }
1.246 + lines += scanDirectory((scanner_t){directories->items[t], 0}, settings);
1.247 + }
1.248 + destroy_string_list_t(directories);
1.249 +
1.250 + /* Print double line and line count */
1.251 + for (int t = 0 ; t < 79 ; t++) {
1.252 + printf("=");
1.253 + }
1.254 + printf("\n%73d lines\n", lines);
1.255 +
1.256 + if (settings->confusing_lnlen && settings->regex->pattern_list->count > 0) {
1.257 + printf("\nSome files contain too long lines.\n"
1.258 + "The regex parser currently supports a maximum line length of %d."
1.259 + "\nThe result might be wrong.\n", REGEX_MAX_LINELENGTH);
1.260 + }
1.261 +
1.262 + if (!settings->verbose) {
1.263 + reopen_stdout();
1.264 + printf("%d", lines);
1.265 + }
1.266 + destroy_settings_t(settings);
1.267 + }
1.268 +
1.269 + fflush(stdout);
1.270 + fflush(stderr);
1.271 + return 0;
1.272 +}
