src/cline.c

Sat, 25 Jul 2020 18:28:01 +0200

author
Mike Becker <universe@uap-core.de>
date
Sat, 25 Jul 2020 18:28:01 +0200
changeset 60
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parent 59
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child 61
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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 2018 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
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27 #include "cline.h"
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28 #include "scanner.h"
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29 #include "settings.h"
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30 #include "arguments.h"
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31 #include "regex_parser.h"
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32
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33 void printHelpText() {
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34 printf(
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35 "\nUsage:"
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36 "\n cline [Options] [Directories...]"
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37 "\n cline [Options] [Directories...]"
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38 "\n\nCounts the line terminator characters (\\n) within all"
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39 " files in the specified\ndirectories."
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40 "\n\nOptions:"
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41 "\n -b <level> - binary file heuristics level (default medium)"
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42 "\n One of: ignore low medium high"
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43 "\n -E <pattern> - Excludes any line matching the <pattern>"
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44 "\n -e <start> <end> - Excludes lines between <start> and <end>"
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45 "\n You may use these options multiple times"
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46 "\n -h, --help - this help text"
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47 // "\n -i - print out individual sums per file extension"
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48 "\n -m - print information about matching files only"
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49 "\n -s <suffixes> - only count files with these suffixes (separated"
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50 "\n by commas)"
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51 "\n -S <suffixes> - count any file except those with these suffixes"
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52 "\n (separated by commas)"
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53 "\n -r, -R - includes subdirectories"
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54 "\n -v, --version - print out version information"
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55 "\n -V - turn verbose output off, print the result only"
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56 "\n\nShortcuts:"
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57 "\n --exclude-cstyle-comments : -E '\\s*//' -e '\\s*/\\*' '\\*/\\s*'"
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58 "\n --exclude-blank-lines : -E '^\\s*$'"
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59 "\n\n"
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60 "The default call without any options is:"
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61 "\n cline ./\n\n"
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62 "So each file in the working directory is counted. If you want to count C"
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63 "\nsource code in your working directory and its subdirectories, type:"
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64 "\n cline -rs .c\n"
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65 "\nIf you want to exclude comment lines, you may use the -e/-E option."
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66 "\nAfter a line matches the regex pattern <start> any following line is"
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67 "\nnot counted unless a line matches the <end> pattern. A line is still "
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68 "\ncounted when it does not start or end with the respective patterns."
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69 "\nPlease note, that cline does not remove whitespace characters as this"
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70 "\nmight not be reasonable in some cases."
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71 "\n\nExample (C without comments):"
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72 "\n cline -s .c,.h --exclude-cstyle-comments"
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73 "\n");
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74 }
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75
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76 int exit_with_version(settings_t* settings) {
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77 printf("cline - Version: " VERSION "\n");
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78 destroy_settings_t(settings);
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79 return 0;
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80 }
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81
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82 int exit_with_help(settings_t* settings, int code) {
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83 printf("cline - Version: " VERSION "\n");
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84 printHelpText();
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85 destroy_settings_t(settings);
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86 return code;
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87 }
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88
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89 int main(int argc, char** argv) {
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90
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91 /* Settings */
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92 settings_t *settings = new_settings_t();
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93 if (settings == NULL) {
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94 fprintf(stderr, "Memory allocation failed.\n");
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95 return 1;
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96 }
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97
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98 /* Get arguments */
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99 string_list_t *directories = new_string_list_t();
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100 if (directories == NULL) {
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101 fprintf(stderr, "Memory allocation failed.\n");
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102 return 1;
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103 }
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104 char* includeSuffix = NULL;
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105 char* excludeSuffix = NULL;
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106 int checked = 0;
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107
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108 for (int t = 1 ; t < argc ; t++) {
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109
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110 int argflags = checkArgument(argv[t], "hsSrRmvVbeEi");
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111 int paropt = 0;
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112
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113 /* h */
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114 if ((argflags & 1) > 0 || strcmp(argv[t], "--help") == 0) {
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115 return exit_with_help(settings, 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 /* r, R */
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140 if ((argflags & 24) > 0) {
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141 if (registerArgument(&checked, 24)) {
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142 return exit_with_help(settings, 1);
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143 }
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144 settings->recursive = true;
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145 }
22
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146 /* m */
1
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147 if ((argflags & 32) > 0) {
8
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diff changeset
148 if (registerArgument(&checked, 32)) {
12
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149 return exit_with_help(settings, 1);
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150 }
3
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diff changeset
151 settings->matchesOnly = true;
0
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152 }
22
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diff changeset
153 /* v */
14
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154 if ((argflags & 64) > 0 || strcmp(argv[t], "--version") == 0) {
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155 return exit_with_version(settings);
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156 }
22
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157 /* V */
16
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158 if ((argflags & 128) > 0) {
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159 if (registerArgument(&checked, 128)) {
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160 return exit_with_help(settings, 1);
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161 }
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162 settings->verbose = false;
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163 }
22
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164 /* b */
21
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165 if ((argflags & 256) > 0) {
30
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166 if (!checkParamOpt(&paropt) || registerArgument(&checked, 256)) {
21
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167 return exit_with_help(settings, 1);
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168 }
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169 t++;
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170 if (t >= argc) {
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171 return exit_with_help(settings, 1);
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172 }
24
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173 if (strcasecmp(argv[t], "ignore") == 0) {
21
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174 settings->bfileHeuristics->level = BFILE_IGNORE;
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175 } else if (strcasecmp(argv[t], "low") == 0) {
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176 settings->bfileHeuristics->level = BFILE_LOW_ACCURACY;
24
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177 } else if (strcasecmp(argv[t], "medium") == 0) {
21
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178 settings->bfileHeuristics->level = BFILE_MEDIUM_ACCURACY;
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179 } else if (strcasecmp(argv[t], "high") == 0) {
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180 settings->bfileHeuristics->level = BFILE_HIGH_ACCURACY;
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181 } else {
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182 return exit_with_help(settings, 1);
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183 }
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184 }
28
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185 /* e */
27
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186 if ((argflags & 512) > 0) {
30
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187 if (!checkParamOpt(&paropt) || t + 2 >= argc) {
27
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188 return exit_with_help(settings, 1);
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189 }
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190 t++; add_string(settings->regex->pattern_list, argv[t]);
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191 t++; add_string(settings->regex->pattern_list, argv[t]);
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192 }
28
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193 /* E */
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194 if ((argflags & 1024) > 0) {
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195 t++;
30
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196 if (!checkParamOpt(&paropt) || t >= argc) {
28
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197 return exit_with_help(settings, 1);
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198 }
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199 add_string(settings->regex->pattern_list, argv[t]);
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200 add_string(settings->regex->pattern_list, "$");
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201 }
60
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202 if ((argflags & 2048) > 0) {
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203 settings->individual_sums = true;
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204 }
1
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205 if (argflags == 0) {
31
27c3c1c6b768 added --exclude-cstyle-comments shortcut
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206 /* SHORTCUTS */
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207 if (strcmp(argv[t], "--exclude-cstyle-comments") == 0) {
27c3c1c6b768 added --exclude-cstyle-comments shortcut
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208 add_string(settings->regex->pattern_list, "\\s*//");
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209 add_string(settings->regex->pattern_list, "$");
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210 add_string(settings->regex->pattern_list, "\\s*/\\*");
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211 add_string(settings->regex->pattern_list, "\\*/\\s*");
57
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212 } else if (strcmp(argv[t], "--exclude-blank-lines") == 0) {
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213 add_string(settings->regex->pattern_list, "^\\s*$");
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214 add_string(settings->regex->pattern_list, "$");
31
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215 }
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216 /* Path */
33
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217 else {
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218 add_string(directories, argv[t]);
0
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219 }
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220 }
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221 }
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222
22
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223 /* Find tokens */
30
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224 parseCSL(includeSuffix, settings->includeSuffixes);
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225 parseCSL(excludeSuffix, settings->excludeSuffixes);
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226
33
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227 /* Scan directories */
28
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diff changeset
228 if (regex_compile_all(settings->regex)) {
60
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229 scanresult_t result;
44
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230 /* Don't waste memory when only the total sum is needed */
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231 string_list_t *output = settings->verbose ? new_string_list_t() : NULL;
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232 char *outbuf;
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diff changeset
233
60
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234 int total = 0;
33
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235 if (directories->count == 0) {
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236 add_string(directories, ".");
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diff changeset
237 }
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diff changeset
238 for (int t = 0 ; t < directories->count ; t++) {
60
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diff changeset
239 scanDirectory((scanner_t){directories->items[t], 0}, settings,
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240 output, &result);
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diff changeset
241 total += result.directory;
44
9574a181ec26 line sum per directory now displayed + directories without matching files are no longer displayed when -m is used + new buffering strategy replaces stream hack when -V is used
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diff changeset
242 if (directories->count > 1 ) {
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diff changeset
243 outbuf = (char*) malloc(81);
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diff changeset
244 memset(outbuf, '-', 79);
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diff changeset
245 outbuf[79] = '\n';
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diff changeset
246 outbuf[80] = 0;
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diff changeset
247 add_string(output, outbuf);
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diff changeset
248 outbuf = (char*) malloc(81);
60
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diff changeset
249 snprintf(outbuf, 81, "%-63s%10d lines\n", directories->items[t],
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diff changeset
250 result.directory);
44
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diff changeset
251 add_string(output, outbuf);
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diff changeset
252 outbuf = (char*) malloc(81);
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diff changeset
253 memset(outbuf, '-', 79);
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diff changeset
254 outbuf[79] = '\n';
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diff changeset
255 outbuf[80] = 0;
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diff changeset
256 add_string(output, outbuf);
33
1a2d7298bc82 added multi-directory support
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diff changeset
257 }
1a2d7298bc82 added multi-directory support
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diff changeset
258 }
1a2d7298bc82 added multi-directory support
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diff changeset
259 destroy_string_list_t(directories);
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260
44
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diff changeset
261 /* Print result */
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diff changeset
262 if (settings->verbose) {
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diff changeset
263 for (int i = 0 ; i < output->count ; i++) {
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diff changeset
264 printf("%s", output->items[i]);
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diff changeset
265 free(output->items[i]);
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diff changeset
266 }
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diff changeset
267
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diff changeset
268 for (int t = 0 ; t < 79 ; t++) {
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diff changeset
269 printf("=");
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diff changeset
270 }
60
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diff changeset
271 printf("\n%73d lines\n", total);
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272
44
9574a181ec26 line sum per directory now displayed + directories without matching files are no longer displayed when -m is used + new buffering strategy replaces stream hack when -V is used
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diff changeset
273 if (settings->confusing_lnlen &&
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diff changeset
274 settings->regex->pattern_list->count > 0) {
9574a181ec26 line sum per directory now displayed + directories without matching files are no longer displayed when -m is used + new buffering strategy replaces stream hack when -V is used
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diff changeset
275
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diff changeset
276 printf("\nSome files contain too long lines.\n"
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diff changeset
277 "The regex parser currently supports a maximum line length of %d."
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diff changeset
278 "\nThe result might be wrong.\n", REGEX_MAX_LINELENGTH);
9574a181ec26 line sum per directory now displayed + directories without matching files are no longer displayed when -m is used + new buffering strategy replaces stream hack when -V is used
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parents: 36
diff changeset
279 }
9574a181ec26 line sum per directory now displayed + directories without matching files are no longer displayed when -m is used + new buffering strategy replaces stream hack when -V is used
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parents: 36
diff changeset
280 } else {
60
69be673a4fd0 preparing changes for individual sum feature
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diff changeset
281 printf("%d", total);
28
72a98cbcb9f1 added regex parser
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parents: 27
diff changeset
282 }
44
9574a181ec26 line sum per directory now displayed + directories without matching files are no longer displayed when -m is used + new buffering strategy replaces stream hack when -V is used
Mike Becker <universe@uap-core.de>
parents: 36
diff changeset
283 destroy_string_list_t(output);
33
1a2d7298bc82 added multi-directory support
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parents: 32
diff changeset
284 destroy_settings_t(settings);
16
bc9a0fefd892 fixed makefile to run safely on compile errors + added -V option to cline
Mike Becker <universe@uap-core.de>
parents: 14
diff changeset
285 }
bc9a0fefd892 fixed makefile to run safely on compile errors + added -V option to cline
Mike Becker <universe@uap-core.de>
parents: 14
diff changeset
286
bc9a0fefd892 fixed makefile to run safely on compile errors + added -V option to cline
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parents: 14
diff changeset
287 fflush(stdout);
28
72a98cbcb9f1 added regex parser
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parents: 27
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288 fflush(stderr);
0
518bfd1cc1e8 cline project init
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parents:
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289 return 0;
518bfd1cc1e8 cline project init
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parents:
diff changeset
290 }

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