1 | /* |
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2 | * ORXONOX - the hottest 3D action shooter ever to exist |
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3 | * |
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4 | * |
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5 | * License notice: |
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6 | * |
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7 | * This program is free software; you can redistribute it and/or |
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8 | * modify it under the terms of the GNU General Public License |
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9 | * as published by the Free Software Foundation; either version 2 |
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10 | * of the License, or (at your option) any later version. |
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11 | * |
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12 | * This program is distributed in the hope that it will be useful, |
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 | * GNU General Public License for more details. |
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16 | * |
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17 | * You should have received a copy of the GNU General Public License |
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18 | * along with this program; if not, write to the Free Software |
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19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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20 | * |
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21 | * Author: |
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22 | * Fabian 'x3n' Landau |
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23 | * Co-authors: |
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24 | * ... |
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25 | * |
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26 | */ |
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27 | |
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28 | /*! |
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29 | @file IdentifierList.cc |
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30 | @brief Implementation of the IdentifierList class. |
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31 | */ |
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32 | |
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33 | #include "Identifier.h" |
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34 | #include "IdentifierList.h" |
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35 | |
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36 | namespace orxonox |
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37 | { |
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38 | // ############################### |
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39 | // ### IdentifierList ### |
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40 | // ############################### |
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41 | /** |
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42 | @brief Constructor: Sets first_ to zero. |
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43 | */ |
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44 | IdentifierList::IdentifierList() |
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45 | { |
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46 | this->first_ = 0; |
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47 | } |
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48 | |
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49 | /** |
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50 | @brief Destructor: Deletes all elements in the list, but NOT THE IDENTIFIERS. |
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51 | */ |
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52 | IdentifierList::~IdentifierList() |
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53 | { |
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54 | IdentifierListElement* temp; |
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55 | while (this->first_) |
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56 | { |
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57 | temp = this->first_->next_; |
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58 | delete this->first_; |
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59 | this->first_ = temp; |
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60 | } |
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61 | } |
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62 | |
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63 | /** |
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64 | @brief Adds an Identifier to the list. |
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65 | @param identifier The Identifier to add |
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66 | */ |
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67 | void IdentifierList::add(const Identifier* identifier) |
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68 | { |
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69 | IdentifierListElement* temp = this->first_; |
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70 | this->first_ = new IdentifierListElement(identifier); |
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71 | this->first_->next_ = temp; |
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72 | } |
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73 | |
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74 | /** |
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75 | @brief Removes an Identifier from the list. |
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76 | @param identifier The Identifier to remove |
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77 | */ |
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78 | void IdentifierList::remove(const Identifier* identifier) |
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79 | { |
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80 | if (!identifier) |
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81 | return; |
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82 | |
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83 | // Check if we have to delete the first element |
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84 | if (this->first_->identifier_ == identifier) |
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85 | { |
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86 | IdentifierListElement* temp = this->first_->next_; |
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87 | delete this->first_; |
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88 | this->first_ = temp; |
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89 | |
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90 | return; |
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91 | } |
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92 | |
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93 | // Iterate through the list |
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94 | IdentifierListElement* temp = this->first_; |
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95 | while (temp->next_) |
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96 | { |
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97 | if (temp->next_->identifier_ == identifier) |
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98 | { |
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99 | IdentifierListElement* temp2 = temp->next_->next_; |
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100 | delete temp->next_; |
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101 | temp->next_ = temp2; |
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102 | |
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103 | return; |
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104 | } |
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105 | |
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106 | temp = temp->next_; |
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107 | } |
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108 | } |
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109 | |
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110 | /** |
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111 | @brief Checks if a given Identifier is in the list and returns true if yes. |
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112 | @param identifier The Identifier to check |
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113 | @return True if the Identifier is in the list |
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114 | */ |
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115 | bool IdentifierList::isInList(const Identifier* identifier) const |
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116 | { |
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117 | IdentifierListElement* temp = this->first_; |
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118 | while (temp) |
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119 | { |
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120 | if (temp->identifier_ == identifier) |
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121 | return true; |
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122 | |
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123 | temp = temp->next_; |
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124 | } |
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125 | |
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126 | return false; |
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127 | } |
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128 | |
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129 | /** |
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130 | @returns a string, containing a list of the names of all Identifiers in the list. |
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131 | */ |
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132 | std::string IdentifierList::toString() const |
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133 | { |
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134 | IdentifierListElement* temp = this->first_; |
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135 | std::string output = ""; |
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136 | |
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137 | while (temp) |
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138 | { |
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139 | output += temp->identifier_->getName(); |
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140 | output += " "; |
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141 | |
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142 | temp = temp->next_; |
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143 | } |
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144 | |
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145 | return output; |
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146 | } |
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147 | |
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148 | |
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149 | // ############################### |
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150 | // ### IdentifierListElement ### |
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151 | // ############################### |
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152 | /** |
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153 | @brief Constructor: Creates the list-element with a given identifier. |
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154 | @param identifier The Identifier to store |
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155 | */ |
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156 | IdentifierListElement::IdentifierListElement(const Identifier* identifier) |
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157 | { |
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158 | this->identifier_ = identifier; |
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159 | this->next_ = 0; |
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160 | } |
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161 | } |
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