1 | /* |
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2 | orxonox - the future of 3D-vertical-scrollers |
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3 | |
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4 | Copyright (C) 2004 orx |
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5 | |
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6 | This program is free software; you can redistribute it and/or modify |
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7 | it under the terms of the GNU General Public License as published by |
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8 | the Free Software Foundation; either version 2, or (at your option) |
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9 | any later version. |
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10 | |
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11 | ### File Specific: |
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12 | main-programmer: Benjamin Grauer |
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13 | co-programmer: ... |
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14 | */ |
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15 | |
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16 | //#define DEBUG_SPECIAL_MODULE DEBUG_MODULE_ |
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17 | |
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18 | #include "shell_command.h" |
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19 | |
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20 | #include "list.h" |
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21 | #include "debug.h" |
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22 | #include "class_list.h" |
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23 | |
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24 | #include "key_names.h" |
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25 | #include <stdarg.h> |
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26 | #include <stdio.h> |
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27 | #include <string.h> |
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28 | |
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29 | using namespace std; |
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30 | |
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31 | /** |
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32 | * creates a new ShellCommandClass |
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33 | * @param className the Name of the command-class to create |
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34 | */ |
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35 | ShellCommandClass::ShellCommandClass(const char* className) |
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36 | { |
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37 | this->setClassID(CL_SHELL_COMMAND_CLASS, "ShellCommandClass"); |
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38 | this->setName(className); |
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39 | |
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40 | this->className = className; |
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41 | this->classID = CL_NULL; |
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42 | this->commandList = new tList<ShellCommandBase>; |
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43 | |
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44 | ShellCommandClass::commandClassList->add(this); |
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45 | } |
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46 | |
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47 | /** |
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48 | * destructs the shellCommandClass again |
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49 | */ |
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50 | ShellCommandClass::~ShellCommandClass() |
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51 | { |
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52 | tIterator<ShellCommandBase>* iterator = this->commandList->getIterator(); |
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53 | ShellCommandBase* elem = iterator->firstElement(); |
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54 | while(elem != NULL) |
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55 | { |
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56 | delete elem; |
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57 | elem = iterator->nextElement(); |
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58 | } |
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59 | delete iterator; |
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60 | delete this->commandList; |
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61 | } |
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62 | |
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63 | /** |
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64 | * collects the Commands registered to some class. |
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65 | * @param className the name of the Class to collect the Commands from. |
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66 | * @param stringList a List to paste the Commands into. |
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67 | * @returns true on success, false otherwise |
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68 | */ |
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69 | bool ShellCommandClass::getCommandListOfClass(const char* className, tList<const char>* stringList) |
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70 | { |
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71 | if (stringList == NULL || className == NULL) |
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72 | return false; |
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73 | |
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74 | tIterator<ShellCommandClass>* iterator = ShellCommandClass::commandClassList->getIterator(); |
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75 | ShellCommandClass* elem = iterator->firstElement(); |
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76 | while(elem != NULL) |
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77 | { |
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78 | if (!strcmp (elem->getName(), className)) |
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79 | { |
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80 | tIterator<ShellCommandBase>* itFkt = elem->commandList->getIterator(); |
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81 | ShellCommandBase* command = itFkt->firstElement(); |
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82 | while (command != NULL) |
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83 | { |
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84 | stringList->add(command->getName()); |
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85 | command = itFkt->nextElement(); |
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86 | } |
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87 | delete itFkt; |
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88 | } |
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89 | |
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90 | elem = iterator->nextElement(); |
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91 | } |
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92 | delete iterator; |
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93 | return true; |
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94 | } |
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95 | |
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96 | /** |
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97 | * collects the Aliases registered to the ShellCommands |
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98 | * @param stringList a List to paste the Aliases into. |
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99 | * @returns true on success, false otherwise |
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100 | */ |
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101 | bool ShellCommandClass::getCommandListOfAlias(tList<const char>* stringList) |
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102 | { |
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103 | if (stringList == NULL || ShellCommandClass::aliasList == NULL) |
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104 | return false; |
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105 | |
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106 | tIterator<ShellCommandAlias>* iterator = ShellCommandClass::aliasList->getIterator(); |
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107 | ShellCommandAlias* elem = iterator->firstElement(); |
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108 | while(elem != NULL) |
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109 | { |
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110 | stringList->add(elem->getName()); |
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111 | elem = iterator->nextElement(); |
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112 | } |
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113 | delete iterator; |
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114 | return true; |
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115 | } |
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116 | |
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117 | /** |
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118 | * unregisters all Commands that exist |
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119 | */ |
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120 | void ShellCommandClass::unregisterAllCommands() |
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121 | { |
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122 | // unregister all commands |
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123 | tIterator<ShellCommandClass>* iterator = ShellCommandClass::commandClassList->getIterator(); |
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124 | ShellCommandClass* elem = iterator->firstElement(); |
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125 | while(elem != NULL) |
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126 | { |
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127 | delete elem; |
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128 | |
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129 | elem = iterator->nextElement(); |
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130 | } |
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131 | delete iterator; |
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132 | |
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133 | delete ShellCommandClass::commandClassList; |
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134 | ShellCommandClass::commandClassList = NULL; |
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135 | |
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136 | // unregister all aliases (there should be nothing to do here :)) |
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137 | if (ShellCommandClass::aliasList != NULL) |
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138 | { |
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139 | tIterator<ShellCommandAlias>* itAL = ShellCommandClass::aliasList->getIterator(); |
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140 | ShellCommandAlias* elemAL = itAL->firstElement(); |
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141 | while(elemAL != NULL) |
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142 | { |
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143 | delete elemAL; |
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144 | elemAL = itAL->nextElement(); |
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145 | } |
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146 | delete itAL; |
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147 | delete ShellCommandClass::aliasList; |
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148 | ShellCommandClass::aliasList = NULL; |
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149 | } |
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150 | } |
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151 | |
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152 | /** |
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153 | * checks if a Class is already registered to the Commands' class-stack |
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154 | * @param className the Name of the Class to check for |
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155 | * @returns the CommandClass if found, NULL otherwise |
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156 | */ |
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157 | const ShellCommandClass* ShellCommandClass::isRegistered(const char* className) |
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158 | { |
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159 | if (ShellCommandClass::commandClassList == NULL) |
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160 | initCommandClassList(); |
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161 | |
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162 | tIterator<ShellCommandClass>* iterator = ShellCommandClass::commandClassList->getIterator(); |
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163 | ShellCommandClass* elem = iterator->firstElement(); |
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164 | while(elem != NULL) |
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165 | { |
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166 | if (!strcmp(className, elem->className)) |
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167 | { |
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168 | if (elem->classID == CL_NULL) |
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169 | elem->classID = ClassList::StringToID(className); |
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170 | |
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171 | delete iterator; |
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172 | return elem; |
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173 | } |
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174 | elem = iterator->nextElement(); |
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175 | } |
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176 | delete iterator; |
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177 | return NULL; |
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178 | } |
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179 | |
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180 | /** |
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181 | * searches for a CommandClass |
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182 | * @param className the name of the CommandClass |
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183 | * @returns the CommandClass if found, or a new CommandClass if not |
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184 | */ |
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185 | ShellCommandClass* ShellCommandClass::getCommandClass(const char* className) |
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186 | { |
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187 | if (ShellCommandClass::commandClassList == NULL) |
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188 | initCommandClassList(); |
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189 | |
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190 | tIterator<ShellCommandClass>* iterator = ShellCommandClass::commandClassList->getIterator(); |
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191 | ShellCommandClass* elem = iterator->firstElement(); |
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192 | while(elem != NULL) |
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193 | { |
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194 | if (!strcmp(className, elem->className)) |
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195 | { |
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196 | delete iterator; |
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197 | return elem; |
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198 | } |
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199 | elem = iterator->nextElement(); |
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200 | } |
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201 | delete iterator; |
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202 | return new ShellCommandClass(className); |
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203 | } |
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204 | |
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205 | /** |
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206 | * initializes the CommandList (if it is NULL) |
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207 | */ |
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208 | void ShellCommandClass::initCommandClassList() |
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209 | { |
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210 | if (ShellCommandClass::commandClassList == NULL) |
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211 | { |
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212 | ShellCommandClass::commandClassList = new tList<ShellCommandClass>; |
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213 | ShellCommand<ShellCommandBase>::registerCommand("debug", "ShellCommand", &ShellCommandBase::debugDyn); |
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214 | } |
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215 | } |
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216 | |
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217 | tList<ShellCommandClass>* ShellCommandClass::commandClassList = NULL; |
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218 | tList<ShellCommandAlias>* ShellCommandClass::aliasList = NULL; |
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219 | |
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220 | /** |
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221 | * constructs and registers a new Command |
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222 | * @param commandName the name of the Command |
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223 | * @param className the name of the class to apply this command to |
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224 | * @param paramCount the count of parameters this command takes |
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225 | * @return self |
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226 | */ |
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227 | ShellCommandBase::ShellCommandBase(const char* commandName, const char* className, unsigned int paramCount, ...) |
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228 | { |
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229 | this->setClassID(CL_SHELL_COMMAND, "ShellCommand"); |
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230 | this->setName(commandName); |
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231 | this->description = NULL; |
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232 | this->alias = NULL; |
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233 | |
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234 | // this->classID = classID; |
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235 | this->shellClass = ShellCommandClass::getCommandClass(className); //ClassList::IDToString(classID); |
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236 | if (this->shellClass != NULL) |
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237 | this->shellClass->commandList->add(this); |
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238 | // handling parameters, and storing them: |
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239 | if (paramCount > FUNCTOR_MAX_ARGUMENTS) |
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240 | paramCount = FUNCTOR_MAX_ARGUMENTS; |
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241 | this->paramCount = paramCount; |
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242 | this->parameters = new unsigned int[paramCount]; |
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243 | |
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244 | va_list parameterList; |
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245 | va_start(parameterList, paramCount); |
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246 | |
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247 | for (unsigned int i = 0; i < paramCount; i++) |
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248 | { |
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249 | this->parameters[i] = va_arg(parameterList, int); |
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250 | |
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251 | switch (this->parameters[i]) |
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252 | { |
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253 | case ParameterBool: |
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254 | this->defaultBools[i] = va_arg(parameterList, int); |
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255 | break; |
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256 | case ParameterChar: |
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257 | this->defaultStrings[i] = new char[2]; |
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258 | sprintf(this->defaultStrings[0], "%c", va_arg(parameterList, int)); |
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259 | break; |
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260 | case ParameterString: |
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261 | this->defaultStrings[i] = va_arg(parameterList, char*); |
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262 | break; |
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263 | case ParameterInt: |
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264 | this->defaultInts[i] = va_arg(parameterList, int); |
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265 | break; |
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266 | case ParameterUInt: |
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267 | this->defaultInts[i] = va_arg(parameterList, unsigned int); |
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268 | break; |
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269 | case ParameterFloat: |
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270 | this->defaultFloats[i] = va_arg(parameterList, double); |
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271 | break; |
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272 | case ParameterLong: |
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273 | this->defaultInts[i] = va_arg(parameterList, long); |
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274 | break; |
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275 | default: |
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276 | break; |
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277 | } |
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278 | } |
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279 | } |
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280 | |
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281 | /** |
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282 | * deconstructs a ShellCommand |
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283 | * @return |
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284 | */ |
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285 | ShellCommandBase::~ShellCommandBase() |
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286 | { |
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287 | delete[] this->parameters; |
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288 | if (this->alias != NULL && ShellCommandClass::aliasList != NULL) |
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289 | { |
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290 | ShellCommandClass::aliasList->remove(this->alias); |
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291 | delete this->alias; |
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292 | } |
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293 | } |
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294 | |
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295 | /** |
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296 | * unregister an existing commandName |
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297 | * @param className the name of the Class the command belongs to. |
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298 | * @param commandName the name of the command itself |
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299 | * |
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300 | * @todo implement |
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301 | */ |
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302 | void ShellCommandBase::unregisterCommand(const char* commandName, const char* className) |
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303 | { |
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304 | if (ShellCommandClass::commandClassList == NULL) |
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305 | ShellCommandClass::initCommandClassList(); |
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306 | |
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307 | const ShellCommandClass* checkClass = ShellCommandClass::isRegistered(className); |
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308 | |
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309 | if (checkClass != NULL) |
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310 | { |
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311 | tIterator<ShellCommandBase>* iterator = checkClass->commandList->getIterator(); |
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312 | ShellCommandBase* elem = iterator->firstElement(); |
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313 | while(elem != NULL) |
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314 | { |
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315 | if (!strcmp(commandName, elem->getName())) |
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316 | { |
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317 | checkClass->commandList->remove(elem); |
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318 | delete elem; |
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319 | break; |
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320 | } |
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321 | elem = iterator->nextElement(); |
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322 | } |
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323 | delete iterator; |
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324 | |
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325 | if (checkClass->commandList->getSize() == 0) |
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326 | { |
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327 | ShellCommandClass::commandClassList->remove(checkClass); |
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328 | delete checkClass; |
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329 | } |
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330 | } |
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331 | } |
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332 | |
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333 | /** |
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334 | * checks if a command has already been registered. |
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335 | * @param commandName the name of the Command |
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336 | * @param className the name of the Class the command should apply to. |
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337 | * @param paramCount how many arguments the Command takes |
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338 | * @returns true, if the command is registered/false otherwise |
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339 | * |
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340 | * This is used internally, to see, if we have multiple command subscriptions. |
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341 | * This is checked in the registerCommand-function. |
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342 | */ |
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343 | bool ShellCommandBase::isRegistered(const char* commandName, const char* className, unsigned int paramCount, ...) |
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344 | { |
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345 | if (ShellCommandClass::commandClassList == NULL) |
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346 | { |
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347 | ShellCommandClass::initCommandClassList(); |
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348 | return false; |
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349 | } |
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350 | |
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351 | const ShellCommandClass* checkClass = ShellCommandClass::isRegistered(className); |
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352 | if (checkClass != NULL) |
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353 | { |
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354 | tIterator<ShellCommandBase>* iterator = checkClass->commandList->getIterator(); |
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355 | ShellCommandBase* elem = iterator->firstElement(); |
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356 | while(elem != NULL) |
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357 | { |
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358 | if (!strcmp(commandName, elem->getName())) |
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359 | { |
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360 | PRINTF(2)("Command already registered\n"); |
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361 | delete iterator; |
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362 | return true; |
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363 | } |
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364 | elem = iterator->nextElement(); |
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365 | } |
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366 | delete iterator; |
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367 | return false; |
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368 | } |
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369 | else |
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370 | return false; |
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371 | } |
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372 | |
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373 | |
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374 | /** |
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375 | * executes commands |
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376 | * @param executionString the string containing the following input |
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377 | * ClassName [ObjectName] functionName [parameter1[,parameter2[,...]]] |
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378 | * @return true on success, false otherwise. |
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379 | */ |
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380 | #include "stdlibincl.h" |
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381 | bool ShellCommandBase::execute(const char* executionString) |
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382 | { |
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383 | if (ShellCommandClass::commandClassList == NULL) |
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384 | return false; |
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385 | |
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386 | |
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387 | long classID; //< the classID retrieved from the Class. |
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388 | tList<BaseObject>* objectList; //< the list of Objects stored in classID |
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389 | BaseObject* objectPointer; //< a pointer to th Object to Execute the command on |
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390 | bool emptyComplete = false; //< if the completion input is empty string. e.g "" |
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391 | // long completeType = SHELLC_NONE; //< the Type we'd like to complete. |
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392 | SubString inputSplits(executionString, true); |
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393 | |
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394 | printf("!!!!%s!!!\n", executionString); |
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395 | |
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396 | if (inputSplits.getCount() == 0) |
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397 | return false; |
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398 | if (inputSplits.getCount() >= 1) |
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399 | { |
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400 | // CHECK FOR ALIAS |
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401 | if (ShellCommandClass::aliasList != NULL) |
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402 | { |
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403 | tIterator<ShellCommandAlias>* itAL = ShellCommandClass::aliasList->getIterator(); |
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404 | ShellCommandAlias* elemAL = itAL->firstElement(); |
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405 | while(elemAL != NULL) |
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406 | { |
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407 | if (elemAL->getName() != NULL && !strcmp(elemAL->getName(), inputSplits.getString(0)) && elemAL->getCommand() != NULL && |
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408 | elemAL->getCommand()->shellClass != NULL ) |
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409 | { |
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410 | objectList = ClassList::getList(elemAL->getCommand()->shellClass->getName()); |
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411 | if (objectList != NULL) |
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412 | { |
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413 | elemAL->getCommand()->executeCommand(objectList->firstElement(), executionString+inputSplits.getOffset(1)); |
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414 | delete itAL; |
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415 | return true; |
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416 | } |
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417 | } |
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418 | elemAL = itAL->nextElement(); |
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419 | } |
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420 | delete itAL; |
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421 | } |
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422 | |
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423 | } |
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424 | |
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425 | |
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426 | // |
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427 | // tIterator<ShellCommandBase>* iterator = ShellCommandBase::commandList->getIterator(); |
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428 | // ShellCommandBase* elem = iterator->firstElement(); |
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429 | // while(elem != NULL) |
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430 | // { |
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431 | // printf("%s::%s\n", elem->className, elem->getName()); |
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432 | // if (!strncasecmp (executionString, elem->className, strlen(elem->className)) && |
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433 | // (*(executionString+strlen(elem->className)) == ' ' || |
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434 | // *(executionString+strlen(elem->className)) == ':' )) |
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435 | // { |
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436 | // const char* commandBegin = executionString + strlen(elem->className); |
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437 | // |
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438 | // PRINTF(4)("Class %s matches\n", elem->className); |
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439 | // BaseObject* objectPointer = NULL; |
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440 | // if (ClassList::StringToID(elem->className) & CL_MASK_SINGLETON == CL_MASK_SINGLETON) |
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441 | // { |
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442 | // while(*commandBegin == ' ') |
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443 | // commandBegin++; |
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444 | // if (strncmp (commandBegin, elem->getName(), strlen(elem->getName())) || |
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445 | // *(commandBegin + strlen(elem->getName())) != ' ' && |
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446 | // *(commandBegin + strlen(elem->getName())) != '\0') |
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447 | // { |
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448 | // elem = iterator->nextElement(); |
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449 | // continue; |
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450 | // } |
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451 | // PRINTF(4)("Command %s matches\n", elem->getName()); |
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452 | // // getting singleton-reference |
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453 | // tList<BaseObject>* list = ClassList::getList(elem->className); |
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454 | // if (list != NULL) |
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455 | // objectPointer = list->firstElement(); |
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456 | // } |
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457 | // else |
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458 | // { |
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459 | // // checking for the Object |
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460 | // while(*commandBegin == ' ') |
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461 | // commandBegin++; |
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462 | // tList<BaseObject>* list = ClassList::getList(elem->className); |
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463 | // if (list == NULL) |
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464 | // break; |
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465 | // tIterator<BaseObject>* iterBO = list->getIterator(); |
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466 | // BaseObject* enumBO = iterBO->firstElement(); |
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467 | // while(enumBO != NULL) |
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468 | // { |
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469 | // if(!strncmp(commandBegin, enumBO->getName(), strlen(enumBO->getName()))) |
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470 | // { |
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471 | // PRINTF(4)("Object %s matches\n", enumBO->getName()); |
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472 | // objectPointer = enumBO; |
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473 | // break; |
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474 | // } |
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475 | // enumBO = iterBO->nextElement(); |
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476 | // } |
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477 | // delete iterBO; |
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478 | // |
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479 | // // break on no object Found. We cannot operate on Classes, but on Objects |
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480 | // if (objectPointer == NULL) |
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481 | // break; |
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482 | // commandBegin = commandBegin + strlen(objectPointer->getName()); |
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483 | // while(*commandBegin == ' ') |
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484 | // commandBegin++; |
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485 | // // checking for the requested function. |
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486 | // if (strncmp (commandBegin, elem->getName(), strlen(elem->getName()))) |
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487 | // { |
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488 | // elem = iterator->nextElement(); |
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489 | // continue; |
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490 | // } |
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491 | // PRINTF(4)("Function '%s' found\n", commandBegin); |
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492 | // } |
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493 | // const char* paramBegin = strchr(commandBegin, ' '); |
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494 | // if (paramBegin == NULL) |
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495 | // paramBegin = commandBegin + strlen(elem->getName()); |
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496 | // while (*paramBegin == ' ') |
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497 | // paramBegin++; |
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498 | // |
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499 | // PRINTF(3)("Parameters to Pass: %s\n", paramBegin); |
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500 | // if (objectPointer != NULL && paramBegin != NULL) |
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501 | // { |
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502 | // elem->executeCommand(objectPointer, paramBegin); |
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503 | // delete iterator; |
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504 | // return true; |
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505 | // } |
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506 | // } |
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507 | // elem = iterator->nextElement(); |
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508 | // } |
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509 | // delete iterator; |
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510 | // return true; |
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511 | } |
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512 | |
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513 | /** |
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514 | * lets a command be described |
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515 | * @param description the description of the Given command |
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516 | */ |
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517 | ShellCommandBase* ShellCommandBase::describe(const char* description) |
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518 | { |
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519 | if (this == NULL) |
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520 | return NULL; |
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521 | else |
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522 | { |
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523 | this->description = description; |
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524 | return this; |
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525 | } |
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526 | } |
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527 | |
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528 | /** |
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529 | * adds an Alias to this Command |
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530 | * @param alias the name of the Alias to set |
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531 | * @returns itself |
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532 | */ |
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533 | ShellCommandBase* ShellCommandBase::setAlias(const char* alias) |
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534 | { |
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535 | if (this == NULL) |
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536 | return NULL; |
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537 | |
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538 | if (this->alias != NULL) |
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539 | { |
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540 | PRINTF(2)("not more than one Alias allowed for functions (%s::%s)\n", this->getName(), this->shellClass->getName()); |
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541 | } |
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542 | else |
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543 | { |
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544 | if (ShellCommandClass::aliasList == NULL) |
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545 | ShellCommandClass::aliasList = new tList<ShellCommandAlias>; |
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546 | |
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547 | ShellCommandAlias* aliasCMD = new ShellCommandAlias(alias, this); |
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548 | ShellCommandClass::aliasList->add(aliasCMD); |
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549 | this->alias = aliasCMD; |
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550 | } |
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551 | return this; |
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552 | } |
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553 | |
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554 | /** |
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555 | * see ShellCommandBase::debug() |
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556 | */ |
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557 | void ShellCommandBase::debugDyn() |
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558 | { |
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559 | this->debug(); |
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560 | } |
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561 | |
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562 | /** |
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563 | * prints out nice information about the Shells Commands |
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564 | */ |
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565 | void ShellCommandBase::debug() |
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566 | { |
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567 | if (ShellCommandClass::commandClassList == NULL) |
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568 | { |
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569 | PRINT(0)("No Command registered.\n"); |
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570 | return; |
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571 | } |
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572 | |
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573 | tIterator<ShellCommandClass>* iteratorCL = ShellCommandClass::commandClassList->getIterator(); |
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574 | ShellCommandClass* elemCL = iteratorCL->firstElement(); |
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575 | while(elemCL != NULL) |
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576 | { |
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577 | PRINT(0)("Class:'%s' registered %d commands: \n", elemCL->className, elemCL->commandList->getSize()); |
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578 | tIterator<ShellCommandBase>* iterator = elemCL->commandList->getIterator(); |
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579 | const ShellCommandBase* elem = iterator->firstElement(); |
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580 | while(elem != NULL) |
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581 | { |
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582 | PRINT(0)(" command:'%s' : params:%d: ", elem->getName(), elem->paramCount); |
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583 | for (unsigned int i = 0; i< elem->paramCount; i++) |
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584 | printf("%s ", ShellCommandBase::paramToString(elem->parameters[i])); |
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585 | if (elem->description != NULL) |
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586 | printf("- %s", elem->description); |
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587 | printf("\n"); |
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588 | |
---|
589 | elem = iterator->nextElement(); |
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590 | } |
---|
591 | delete iterator; |
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592 | elemCL = iteratorCL->nextElement(); |
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593 | } |
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594 | delete iteratorCL; |
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595 | } |
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596 | |
---|
597 | /** |
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598 | * converts a Parameter to a String |
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599 | * @param parameter the Parameter we have. |
---|
600 | * @returns the Name of the Parameter at Hand |
---|
601 | */ |
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602 | const char* ShellCommandBase::paramToString(long parameter) |
---|
603 | { |
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604 | switch (parameter) |
---|
605 | { |
---|
606 | case ParameterBool: |
---|
607 | return "BOOL"; |
---|
608 | break; |
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609 | case ParameterChar: |
---|
610 | return "CHAR"; |
---|
611 | break; |
---|
612 | case ParameterString: |
---|
613 | return "STRING"; |
---|
614 | break; |
---|
615 | case ParameterInt: |
---|
616 | return "INT"; |
---|
617 | break; |
---|
618 | case ParameterUInt: |
---|
619 | return "UINT"; |
---|
620 | break; |
---|
621 | case ParameterFloat: |
---|
622 | return "FLOAT"; |
---|
623 | break; |
---|
624 | case ParameterLong: |
---|
625 | return "LONG"; |
---|
626 | break; |
---|
627 | default: |
---|
628 | return "NULL"; |
---|
629 | break; |
---|
630 | } |
---|
631 | } |
---|