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
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parent 35
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child 44
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permissions
-rw-r--r--

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1 /*
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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3 * Copyright 2013 Mike Becker. All rights reserved.
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4 *
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5 * Redistribution and use in source and binary forms, with or without
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6 * modification, are permitted provided that the following conditions are met:
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7 *
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8 * 1. Redistributions of source code must retain the above copyright
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9 * notice, this list of conditions and the following disclaimer.
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10 *
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11 * 2. Redistributions in binary form must reproduce the above copyright
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12 * notice, this list of conditions and the following disclaimer in the
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13 * documentation and/or other materials provided with the distribution.
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14 *
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15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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18 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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22 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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25 *
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26 * cline.c
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27 *
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28 * Created on: 23.05.2011
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29 * Author: Mike
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30 */
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31
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32 #include "cline.h"
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33 #include "scanner.h"
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34 #include "settings.h"
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35 #include "arguments.h"
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36 #include "stream.h"
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37 #include "regex_parser.h"
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38
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39 void printHelpText() {
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40 printf(
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41 "\nUsage:"
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42 "\n cline [Options] [Directories...]"
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43 "\n cline [Options] [Directories...]"
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44 "\n\nCounts the line terminator characters (\\n) within all"
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45 " files in the specified\ndirectories."
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46 "\n\nOptions:"
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47 "\n -b <level> - binary file heuristics level (default medium)"
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48 "\n One of: ignore low medium high"
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49 "\n -E <pattern> - Excludes any line matching the <pattern>"
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50 "\n -e <start> <end> - Excludes lines between <start> and <end>"
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51 "\n You may use these options multiple times"
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52 "\n -h, --help - this help text"
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53 "\n -m - print information about matching files only"
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54 "\n -s <suffixes> - only count files with these suffixes (separated"
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55 "\n by commas)"
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56 "\n -S <suffixes> - count any file except those with these suffixes"
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57 "\n (separated by commas)"
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58 "\n -r, -R - includes subdirectories"
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59 "\n -v, --version - print out version information"
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60 "\n -V - turn verbose output off, print the result only"
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61 "\n\nShortcuts:"
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62 "\n --exclude-cstyle-comments"
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63 "\n = -E \"\\s*//\" -e \"\\s*/\\*\" \"\\*/\\s*\""
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64 "\n\n"
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65 "The default call without any options is:"
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66 "\n cline ./\n\n"
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67 "So each file in the working directory is counted. If you want to count C"
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68 "\nsource code in your working directory and its subdirectories, type:"
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69 "\n cline -rs .c\n"
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70 "\nIf you want to exclude comment lines, you may use the -e/-E option."
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71 "\nAfter a line matches the regex pattern <start> any following line is"
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72 "\nnot counted unless a line matches the <end> pattern. A line is still "
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73 "\ncounted when it does not start or end with the respective patterns."
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74 "\nPlease note, that cline does not remove whitespace characters as this"
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75 "\nmight not be reasonable in some cases."
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76 "\n\nExample (C without comments):"
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77 "\n cline -s .c,.h --exclude-cstyle-comments"
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78 "\n");
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79 }
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80
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81 int exit_with_version(settings_t* settings) {
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82 printf("cline - Version: %s\n", VERSION);
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83 destroy_settings_t(settings);
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84 return 0;
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85 }
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86
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87 int exit_with_help(settings_t* settings, int code) {
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88 printHelpText();
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89 destroy_settings_t(settings);
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90 return code;
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91 }
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92
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93 int main(int argc, char** argv) {
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94
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95 /* Settings */
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96 settings_t *settings = new_settings_t();
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97 if (settings == NULL) {
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98 fprintf(stderr, "Memory allocation failed.\n");
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99 return 1;
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100 }
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101
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102 /* Get arguments */
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103 string_list_t *directories = new_string_list_t();
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104 if (directories == NULL) {
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105 fprintf(stderr, "Memory allocation failed.\n");
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106 return 1;
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107 }
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108 char* includeSuffix = NULL;
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109 char* excludeSuffix = NULL;
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110 int checked = 0;
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111
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112 for (int t = 1 ; t < argc ; t++) {
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113
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114 int argflags = checkArgument(argv[t], "hsSrRmvVbeE");
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115 int paropt = 0;
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116
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117 /* s */
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118 if ((argflags & 2) > 0) {
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119 if (!checkParamOpt(&paropt) || registerArgument(&checked, 2)) {
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120 return exit_with_help(settings, 1);
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121 }
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122 t++;
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123 if (t >= argc) {
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124 return exit_with_help(settings, 1);
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125 }
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126 includeSuffix = argv[t];
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127 }
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128 /* S */
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129 if ((argflags & 4) > 0) {
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130 if (!checkParamOpt(&paropt) || registerArgument(&checked, 4)) {
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131 return exit_with_help(settings, 1);
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132 }
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133 t++;
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134 if (t >= argc) {
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135 return exit_with_help(settings, 1);
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136 }
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137 excludeSuffix = argv[t];
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138 }
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139 /* h */
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140 if ((argflags & 1) > 0 || strcmp(argv[t], "--help") == 0) {
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141 return exit_with_help(settings, 0);
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142 }
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143 /* r, R */
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144 if ((argflags & 24) > 0) {
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145 if (registerArgument(&checked, 24)) {
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146 return exit_with_help(settings, 1);
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147 }
3
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148 settings->recursive = true;
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149 }
22
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150 /* m */
1
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151 if ((argflags & 32) > 0) {
8
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152 if (registerArgument(&checked, 32)) {
12
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153 return exit_with_help(settings, 1);
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154 }
3
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155 settings->matchesOnly = true;
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156 }
22
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157 /* v */
14
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158 if ((argflags & 64) > 0 || strcmp(argv[t], "--version") == 0) {
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159 return exit_with_version(settings);
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160 }
22
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161 /* V */
16
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162 if ((argflags & 128) > 0) {
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163 if (registerArgument(&checked, 128)) {
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164 return exit_with_help(settings, 1);
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165 }
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166 settings->verbose = false;
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167 }
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168 /* b */
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169 if ((argflags & 256) > 0) {
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170 if (!checkParamOpt(&paropt) || registerArgument(&checked, 256)) {
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171 return exit_with_help(settings, 1);
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172 }
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173 t++;
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174 if (t >= argc) {
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175 return exit_with_help(settings, 1);
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176 }
24
3963e8800a12 replaced stricmp with strcasecmp to stay standard compliant
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177 if (strcasecmp(argv[t], "ignore") == 0) {
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178 settings->bfileHeuristics->level = BFILE_IGNORE;
24
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179 } else if (strcasecmp(argv[t], "low") == 0) {
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180 settings->bfileHeuristics->level = BFILE_LOW_ACCURACY;
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181 } else if (strcasecmp(argv[t], "medium") == 0) {
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182 settings->bfileHeuristics->level = BFILE_MEDIUM_ACCURACY;
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183 } else if (strcasecmp(argv[t], "high") == 0) {
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184 settings->bfileHeuristics->level = BFILE_HIGH_ACCURACY;
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185 } else {
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186 return exit_with_help(settings, 1);
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187 }
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188 }
28
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189 /* e */
27
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190 if ((argflags & 512) > 0) {
30
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191 if (!checkParamOpt(&paropt) || t + 2 >= argc) {
27
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192 return exit_with_help(settings, 1);
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193 }
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194 t++; add_string(settings->regex->pattern_list, argv[t]);
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195 t++; add_string(settings->regex->pattern_list, argv[t]);
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196 }
28
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197 /* E */
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198 if ((argflags & 1024) > 0) {
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199 t++;
30
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200 if (!checkParamOpt(&paropt) || t >= argc) {
28
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201 return exit_with_help(settings, 1);
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202 }
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203 add_string(settings->regex->pattern_list, argv[t]);
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204 add_string(settings->regex->pattern_list, "$");
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205 }
1
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206 if (argflags == 0) {
31
27c3c1c6b768 added --exclude-cstyle-comments shortcut
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207 /* SHORTCUTS */
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208 /* exclude-cstyle-comments */
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209 if (strcmp(argv[t], "--exclude-cstyle-comments") == 0) {
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210 add_string(settings->regex->pattern_list, "\\s*//");
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211 add_string(settings->regex->pattern_list, "$");
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212 add_string(settings->regex->pattern_list, "\\s*/\\*");
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213 add_string(settings->regex->pattern_list, "\\*/\\s*");
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214 }
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215 /* Path */
33
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216 else {
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217 add_string(directories, argv[t]);
0
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218 }
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219 }
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220 }
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221
22
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222 /* Configure output */
16
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223 if (!settings->verbose) {
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224 close_stdout();
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225 }
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226
22
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227 /* Find tokens */
30
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228 parseCSL(includeSuffix, settings->includeSuffixes);
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229 parseCSL(excludeSuffix, settings->excludeSuffixes);
0
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230
33
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231 /* Scan directories */
28
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diff changeset
232 if (regex_compile_all(settings->regex)) {
33
1a2d7298bc82 added multi-directory support
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diff changeset
233 int lines = 0;
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234 if (directories->count == 0) {
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diff changeset
235 add_string(directories, ".");
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236 }
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diff changeset
237 for (int t = 0 ; t < directories->count ; t++) {
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diff changeset
238 if (t > 0) {
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diff changeset
239 for (int u = 0 ; u < 79 ; u++) {
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240 printf("-");
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241 }
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242 printf("\n");
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diff changeset
243 }
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diff changeset
244 lines += scanDirectory((scanner_t){directories->items[t], 0}, settings);
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245 }
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246 destroy_string_list_t(directories);
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247
28
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248 /* Print double line and line count */
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diff changeset
249 for (int t = 0 ; t < 79 ; t++) {
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250 printf("=");
72a98cbcb9f1 added regex parser
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251 }
72a98cbcb9f1 added regex parser
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diff changeset
252 printf("\n%73d lines\n", lines);
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253
28
72a98cbcb9f1 added regex parser
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diff changeset
254 if (settings->confusing_lnlen && settings->regex->pattern_list->count > 0) {
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diff changeset
255 printf("\nSome files contain too long lines.\n"
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diff changeset
256 "The regex parser currently supports a maximum line length of %d."
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diff changeset
257 "\nThe result might be wrong.\n", REGEX_MAX_LINELENGTH);
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diff changeset
258 }
25
802c5382f499 Added line buffer (and warning message - there is no regexp parser, though)
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parents: 23
diff changeset
259
28
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diff changeset
260 if (!settings->verbose) {
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diff changeset
261 reopen_stdout();
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diff changeset
262 printf("%d", lines);
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diff changeset
263 }
33
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diff changeset
264 destroy_settings_t(settings);
16
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parents: 14
diff changeset
265 }
bc9a0fefd892 fixed makefile to run safely on compile errors + added -V option to cline
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parents: 14
diff changeset
266
bc9a0fefd892 fixed makefile to run safely on compile errors + added -V option to cline
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diff changeset
267 fflush(stdout);
28
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diff changeset
268 fflush(stderr);
0
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269 return 0;
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270 }

mercurial