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: ... |
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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_completion.h" |
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19 | |
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20 | #include "shell_input.h" |
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21 | |
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22 | #include "base_object.h" |
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23 | #include "class_list.h" |
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24 | #include "list.h" |
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25 | #include "debug.h" |
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26 | |
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27 | #include "stdlibincl.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 | * standard constructor |
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33 | * @todo this constructor is not jet implemented - do it |
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34 | */ |
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35 | ShellCompletion::ShellCompletion () |
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36 | { |
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37 | this->completionList = NULL; |
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38 | } |
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39 | |
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40 | |
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41 | /** |
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42 | * standard deconstructor |
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43 | */ |
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44 | ShellCompletion::~ShellCompletion () |
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45 | { |
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46 | // delete what has to be deleted here |
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47 | if (this->completionList) |
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48 | { |
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49 | delete this->completionList; |
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50 | } |
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51 | } |
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52 | |
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53 | |
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54 | |
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55 | /** |
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56 | * autocompletes the Shell's inputLine |
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57 | * @returns true, if a result was found, false otherwise |
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58 | * |
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59 | * @todo implement it!! |
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60 | */ |
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61 | bool ShellCompletion::autoComplete(ShellInput* input) |
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62 | { |
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63 | //PRINTF(3)("AutoCompletion not implemented yet\n"); |
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64 | |
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65 | char* completionLine = new char[strlen(input->getText())+1]; |
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66 | strcpy(completionLine, input->getText()); |
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67 | |
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68 | char* commandBegin = strrchr(completionLine, ' '); |
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69 | if (commandBegin == NULL) |
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70 | commandBegin = completionLine; |
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71 | else |
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72 | { |
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73 | if(commandBegin >= completionLine + strlen(completionLine)) |
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74 | commandBegin = completionLine + strlen(completionLine); |
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75 | else |
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76 | commandBegin++; |
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77 | } |
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78 | |
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79 | char* objectStart; |
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80 | if (objectStart = strstr(commandBegin, "::")) |
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81 | { |
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82 | char* classIdentity = new char[objectStart - commandBegin +1]; |
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83 | strncpy(classIdentity, commandBegin, objectStart - commandBegin); |
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84 | classIdentity[objectStart - commandBegin] = '\0'; |
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85 | this->objectComplete(objectStart+2, ClassList::StringToID(classIdentity)); |
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86 | delete[] classIdentity; |
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87 | } |
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88 | else |
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89 | this->classComplete(commandBegin); |
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90 | |
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91 | delete[] completionLine; |
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92 | } |
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93 | |
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94 | /** |
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95 | * autocompletes a className |
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96 | * @param classBegin the Beginning of a String to autoComplete |
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97 | * @return true on success, false otherwise |
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98 | */ |
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99 | bool ShellCompletion::classComplete(const char* classBegin) |
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100 | { |
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101 | if (unlikely(classBegin == NULL)) |
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102 | return false; |
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103 | const tList<const char>* clList = ClassList::getClassList(); |
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104 | if (clList != NULL) |
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105 | { |
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106 | const tList<const char>* classList = this->createCompleteList(clList, classBegin); |
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107 | if (classList != NULL) |
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108 | this->generalComplete(classList, classBegin, "%s::", "::"); |
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109 | else |
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110 | return false; |
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111 | } |
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112 | else |
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113 | return false; |
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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 | * autocompletes an ObjectName |
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119 | * @param objectBegin the beginning string of a Object |
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120 | * @param classID the ID of the Class to search for. |
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121 | * @return true on success, false otherwise |
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122 | */ |
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123 | bool ShellCompletion::objectComplete(const char* objectBegin, long classID) |
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124 | { |
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125 | printf("%s\n", objectBegin); |
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126 | |
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127 | if (unlikely(objectBegin == NULL)) |
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128 | return false; |
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129 | tList<BaseObject>* boList = ClassList::getList(classID); |
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130 | if (boList != NULL) |
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131 | { |
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132 | printf("\n", boList->firstElement()->getName()); |
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133 | const tList<const char>* objectList = this->createCompleteList(boList, objectBegin); |
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134 | if (objectList != NULL) |
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135 | this->generalComplete(objectList, objectBegin, "%s"); |
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136 | else |
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137 | return false; |
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138 | } |
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139 | else |
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140 | return false; |
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141 | return true; |
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142 | } |
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143 | |
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144 | /** |
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145 | * completes a Function |
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146 | * @param functionBegin the beginning of the function String |
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147 | */ |
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148 | bool ShellCompletion::functionComplete(const char* functionBegin) |
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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 | * completes the inputline on grounds of an inputList |
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154 | * @param stringList the List to parse through |
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155 | * @param begin the String to search in the inputList, and to extend with it. |
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156 | * @param displayAs how to display the found value to the user, printf-style, !!with only one %s!! ex.: "::%s::" |
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157 | * @param addBack what should be added at the end of the completion |
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158 | * @param addFront what should be added to the front of one finished completion |
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159 | * @return true if ok, false otherwise |
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160 | */ |
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161 | bool ShellCompletion::generalComplete(const tList<const char>* stringList, const char* begin, const char* displayAs, const char* addBack, const char* addFront) |
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162 | { |
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163 | if (stringList->getSize() == 0) |
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164 | return false; |
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165 | |
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166 | const char* addString = stringList->firstElement(); |
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167 | unsigned int addLength = 0; |
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168 | unsigned int inputLenght = strlen(begin); |
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169 | |
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170 | if (addString != NULL) |
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171 | addLength = strlen(addString); |
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172 | tIterator<const char>* charIterator = stringList->getIterator(); |
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173 | const char* charElem = charIterator->firstElement(); |
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174 | while (charElem != NULL) |
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175 | { |
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176 | PRINTF(0)(displayAs, charElem); |
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177 | for (unsigned int i = inputLenght; i < addLength; i++) |
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178 | if (addString[i] != charElem[i]) |
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179 | { |
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180 | addLength = i; |
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181 | break; |
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182 | } |
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183 | charElem = charIterator->nextElement(); |
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184 | } |
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185 | delete charIterator; |
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186 | |
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187 | if (addLength >= inputLenght) |
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188 | { |
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189 | char* adder = new char[addLength+1]; |
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190 | strncpy(adder, addString, addLength); |
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191 | adder[addLength] = '\0'; |
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192 | |
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193 | |
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194 | /* this->removeCharacters(inputLenght); |
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195 | this->addCharacters(adder); |
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196 | if (addBack != NULL && stringList->getSize() == 1) |
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197 | this->addCharacters("::"); |
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198 | delete[] adder;*/ |
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199 | } |
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200 | return true; |
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201 | } |
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202 | |
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203 | /** |
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204 | * searches for classes, which beginn with classNameBegin |
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205 | * @param inputList the List to parse through |
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206 | * @param classNameBegin the beginning string |
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207 | * @return a NEW char-array with ClassNames. The LIST should be deleted afterwards, |
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208 | * !! The strings MUST NOT be deleted !! |
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209 | */ |
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210 | const tList<const char>* ShellCompletion::createCompleteList(const tList<const char>* inputList, const char* classNameBegin) |
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211 | { |
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212 | if (inputList == NULL || classNameBegin == NULL) |
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213 | return NULL; |
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214 | unsigned int searchLength = strlen(classNameBegin); |
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215 | if (this->completionList != NULL) |
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216 | delete this->completionList; |
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217 | this->completionList = new tList<const char>; |
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218 | |
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219 | // tList<const char>* classList = ClassList::getClassList(); |
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220 | |
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221 | tIterator<const char>* iterator = inputList->getIterator(); |
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222 | const char* enumString = iterator->firstElement(); |
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223 | while (enumString != NULL) |
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224 | { |
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225 | if (strlen(enumString)>searchLength+1 && |
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226 | !strncasecmp(enumString, classNameBegin, searchLength)) |
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227 | { |
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228 | this->completionList->add(enumString); |
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229 | } |
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230 | enumString = iterator->nextElement(); |
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231 | } |
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232 | delete iterator; |
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233 | |
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234 | return this->completionList; |
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235 | } |
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236 | |
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237 | /** |
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238 | * searches for classes, which beginn with classNameBegin |
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239 | * @param inputList the List to parse through |
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240 | * @param classNameBegin the beginning string |
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241 | * @return a NEW char-array with ClassNames. The LIST should be deleted afterwards, |
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242 | * !! The strings MUST NOT be deleted !! |
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243 | */ |
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244 | const tList<const char>* ShellCompletion::createCompleteList(const tList<BaseObject>* inputList, const char* classNameBegin) |
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245 | { |
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246 | if (inputList == NULL || classNameBegin == NULL) |
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247 | return NULL; |
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248 | unsigned int searchLength = strlen(classNameBegin); |
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249 | if (this->completionList != NULL) |
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250 | delete this->completionList; |
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251 | this->completionList = new tList<const char>; |
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252 | |
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253 | tIterator<BaseObject>* iterator = inputList->getIterator(); |
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254 | BaseObject* enumBO = iterator->firstElement(); |
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255 | while (enumBO != NULL) |
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256 | { |
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257 | if (enumBO->getName() != NULL && |
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258 | strlen(enumBO->getName())>searchLength+1 && |
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259 | !strncasecmp(enumBO->getName(), classNameBegin, searchLength)) |
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260 | { |
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261 | this->completionList->add(enumBO->getName()); |
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262 | } |
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263 | enumBO = iterator->nextElement(); |
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264 | } |
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265 | delete iterator; |
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266 | |
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267 | return this->completionList; |
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268 | } |
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