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1 /**
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2 *
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3 * Copyright INRA-URGI 2009-2010
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4 *
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5 * This software is governed by the CeCILL license under French law and
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6 * abiding by the rules of distribution of free software. You can use,
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7 * modify and/ or redistribute the software under the terms of the CeCILL
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8 * license as circulated by CEA, CNRS and INRIA at the following URL
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9 * "http://www.cecill.info".
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10 *
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11 * As a counterpart to the access to the source code and rights to copy,
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12 * modify and redistribute granted by the license, users are provided only
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13 * with a limited warranty and the software's author, the holder of the
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14 * economic rights, and the successive licensors have only limited
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15 * liability.
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16 *
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17 * In this respect, the user's attention is drawn to the risks associated
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18 * with loading, using, modifying and/or developing or reproducing the
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19 * software by the user in light of its specific status of free software,
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20 * that may mean that it is complicated to manipulate, and that also
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21 * therefore means that it is reserved for developers and experienced
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22 * professionals having in-depth computer knowledge. Users are therefore
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23 * encouraged to load and test the software's suitability as regards their
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24 * requirements in conditions enabling the security of their systems and/or
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25 * data to be ensured and, more generally, to use and operate it in the
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26 * same conditions as regards security.
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27 *
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28 * The fact that you are presently reading this means that you have had
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29 * knowledge of the CeCILL license and that you accept its terms.
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30 *
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31 */
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32 import java.util.*;
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33 import java.io.File;
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34 import java.io.*;
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35 import java.util.regex.*;
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36
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37 public class PythonHelperReader {
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38
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39 String fileName;
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40 Program program;
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41 BufferedReader reader;
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42 String message;
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43
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44 public PythonHelperReader(String fileName) {
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45 this.fileName = fileName;
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46 this.reader = reader;
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47 this.message = null;
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48 }
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49
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50 public void setReader(BufferedReader reader) {
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51 this.reader = reader;
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52 }
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53
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54 public void run() {
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55 this.program = new Program();
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56 boolean inBeginning = true;
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57 boolean inUsage = false;
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58 boolean afterUsage = false;
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59 boolean inDescription = false;
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60 boolean afterDescription = false;
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61 boolean inOptions = false;
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62 boolean inOptionBlank = false;
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63 boolean inError = false;
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64 String usage = null;
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65 String description = null;
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66 String option = null;
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67 Vector <String> options = new Vector < String > ();
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68 String[] optionSplitted;
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69
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70 // Parse file
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71 try {
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72 String line = null;
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73
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74 while ((line = reader.readLine()) != null) {
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75 line = line.trim();
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76 if (line.startsWith("Traceback")) {
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77 this.message = "Problem with header of '" + this.fileName + "':\n" + line + "\n";
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78 inError = true;
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79 inBeginning = false;
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80 inUsage = false;
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81 afterUsage = false;
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82 inDescription = false;
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83 afterDescription = false;
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84 inOptions = false;
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85 inOptionBlank = false;
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86 }
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87 else if (inError) {
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88 this.message += line + "\n";
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89 }
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90 else if (inBeginning) {
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91 if (line.startsWith("Usage:")) {
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92 inUsage = true;
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93 inBeginning = false;
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94 usage = line;
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95 }
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96 }
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97 else if (inUsage) {
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98 if ("".equals(line)) {
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99 inUsage = false;
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100 afterUsage = true;
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101 }
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102 else {
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103 usage += " " + line;
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104 }
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105 }
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106 else if (afterUsage) {
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107 if (! "".equals(line)) {
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108 description = line;
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109 afterUsage = false;
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110 inDescription = true;
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111 }
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112 }
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113 else if (inDescription) {
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114 if ("".equals(line)) {
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115 inDescription = false;
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116 afterDescription = true;
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117 }
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118 else {
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119 description += " " + line;
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120 }
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121 }
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122 else if (afterDescription) {
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123 if (! "".equals(line)) {
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124 afterDescription = false;
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125 inOptions = true;
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126 }
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127 }
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128 else if (inOptions) {
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129 if ("".equals(line)) {
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130 inOptions = false;
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131 inOptionBlank = true;
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132 }
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133 else {
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134 if (option == null) {
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135 option = line;
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136 }
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137 else {
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138 if (line.charAt(0) == '-') {
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139 options.add(option);
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140 option = line;
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141 }
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142 else {
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143 option += " " + line;
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144 }
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145 }
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146 }
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147 }
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148 else if (inOptionBlank) {
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149 if (! "".equals(line)) {
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150 inOptionBlank = false;
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151 inOptions = true;
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152 }
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153 }
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154 else {
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155 this.message = "Something is wrong in the file '" + this.fileName + "'.";
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156 return;
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157 }
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158 }
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159
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160 reader.close();
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161 }
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162 catch (FileNotFoundException e) {
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163 this.message = "File " + this.fileName + " not found";
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164 return;
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165 }
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166 catch (IOException e) {
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167 this.message = "IOException while reading file " + this.fileName;
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168 return;
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169 }
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170
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171 if (inError) {
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172 return;
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173 }
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174
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175 if (option != null) {
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176 options.add(option);
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177 }
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178
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179 HashMap < String, ProgramOption > identifierToOptions = new HashMap < String, ProgramOption > ();
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180 HashMap < ProgramOption, String > associatedOption = new HashMap < ProgramOption, String > ();
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181
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182 if (usage == null) {
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183 this.message = "Cannot read the usage of file " + this.fileName;
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184 return;
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185 }
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186 program.setShortName(usage.split(" ")[1].trim());
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187 program.setName(description.split(":")[0].trim());
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188
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189 Pattern pattern = Pattern.compile("\\[Category: .*\\]");
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190 Matcher matcher = pattern.matcher(description);
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191 if (matcher.find()) {
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192 program.setSection(description.substring(matcher.start() + "[Category: ".length(), matcher.end() - 1));
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193 program.setDescription(description.substring(0, matcher.start() - 1).trim());
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194 }
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195 else {
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196 this.message = "Cannot find category in description '" + description + "' in file " + this.fileName;
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197 return;
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198 }
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199 for (int i = 0; i < options.size(); i++) {
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200 option = options.get(i).replace("\t", " ");
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201 optionSplitted = option.split(" ");
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202 option = "";
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203 for (int j = 3; j < optionSplitted.length; j++) {
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204 option += optionSplitted[j] + " ";
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205 }
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206
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207 String identifier = optionSplitted[0].replace("-", "").replace(",", "");
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208 // Skip -h and -v options
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209 if (("h".equals(identifier)) || ("v".equals(identifier)))
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210 continue;
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211
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212 ProgramOption programOption = new ProgramOption();
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213 programOption.setIdentifier("-" + identifier);
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214 programOption.setComment(option.substring(0, option.indexOf("[")).trim());
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215 identifierToOptions.put(identifier, programOption);
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216
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217 pattern = Pattern.compile("\\[[^\\]]*\\]");
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218 matcher = pattern.matcher(option);
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219 while (matcher.find()) {
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220 String inner = option.substring(matcher.start()+1, matcher.end()-1);
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221 if (inner.contains(":")) {
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222 String type = inner.substring(0, inner.indexOf(":")).trim();
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223 String value = inner.substring(inner.indexOf(":")+1).trim();
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224 // Types of the options
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225 if ("format".compareToIgnoreCase(type) == 0) {
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226 String currentWord = "";
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227 String rest = "";
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228 if (value.contains(" ")) {
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229 int pos = value.indexOf(" ");
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230 currentWord = value.substring(0, pos);
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231 rest = value.substring(pos+1);
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232 }
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233 else {
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234 currentWord = value;
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235 }
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236 // Output file type
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237 if ("output".compareToIgnoreCase(currentWord) == 0) {
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238 programOption.setInput(false);
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239 int pos = rest.indexOf(" ");
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240 currentWord = rest.substring(0, pos).trim();
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241 rest = rest.substring(pos+1).trim();
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242 }
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243 // File (input or output file)
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244 if ("file".compareToIgnoreCase(currentWord) == 0) {
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245 programOption.setType("file");
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246 // Format given by an associated option (to be found later)
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247 if (rest.startsWith("in format given by ")) {
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248 associatedOption.put(programOption, rest.substring(rest.indexOf("format given by ") + "format given by ".length() + 1).trim());
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249 }
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250 else {
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251 if (! rest.startsWith("in ")) {
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252 this.message = "Descriptor " + option + " does not have a proper format.";
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253 return;
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254 }
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255 rest = rest.substring("in ".length());
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256 int pos = rest.indexOf(" format");
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257 if (pos == -1) {
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258 this.message = "Descriptor " + option + " does not have a proper format.";
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259 return;
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260 }
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261 programOption.setFormat(rest.substring(0, pos).trim().toLowerCase().split(" or "));
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262 }
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263 }
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264 // Format type
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265 else if (rest.endsWith("file format")) {
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266 programOption.setFormat((currentWord + " " + rest.substring(0, rest.indexOf("file format"))).trim().toLowerCase().split(" or "));
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267 programOption.setType("format");
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268 }
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269 // Choice type
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270 else if ("choice".compareToIgnoreCase(currentWord) == 0) {
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271 programOption.setChoices(rest.replace("(", "").replace(")", "").split(", "));
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272 programOption.setType("choice");
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273 }
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274 // Boolean type
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275 else if ("bool".compareToIgnoreCase(currentWord) == 0) {
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276 programOption.setType("boolean");
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277 }
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278 // Other type
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279 else {
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280 programOption.setType(currentWord);
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281 }
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282 }
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283 // Default value
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284 else if ("default".compareToIgnoreCase(type) == 0) {
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285 programOption.setDefault(value);
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286 }
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287 else {
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288 this.message = "Do not understand option descriptor '" + inner + "'.";
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289 return;
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290 }
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291 }
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292 else {
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293 // Compulsory option
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294 if ("compulsory".compareToIgnoreCase(inner) == 0) {
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295 programOption.setCompulsory(true);
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296 }
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297 else {
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298 this.message = "Do not understand option descriptor '" + inner + "'.";
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299 return;
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300 }
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301 }
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302 }
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303 program.addOption(programOption);
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304 }
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305
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306 // Set associated option
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307 Iterator it = associatedOption.keySet().iterator();
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308 while (it.hasNext()) {
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309 ProgramOption programOption = (ProgramOption) it.next();
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310 programOption.setAssociatedOption(identifierToOptions.get(associatedOption.get(programOption)));
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311 }
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312 }
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313
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314 public String getMessage () {
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315 return this.message;
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316 }
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317
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318 public Program getProgram () {
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319 return this.program;
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320 }
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321 }
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322
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323
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