1 | #ifndef _Identifier_H__ |
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2 | #define _Identifier_H__ |
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3 | |
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4 | #include <iostream> |
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5 | |
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6 | #include "IdentifierList.h" |
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7 | #include "ObjectList.h" |
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8 | #include "Factory.h" |
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9 | |
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10 | #define HIERARCHY_VERBOSE false |
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11 | |
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12 | |
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13 | namespace orxonox |
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14 | { |
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15 | class BaseObject; |
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16 | |
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17 | // ############################### |
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18 | // ### Identifier ### |
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19 | // ############################### |
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20 | class Identifier |
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21 | { |
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22 | template <class T> |
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23 | friend class ClassIdentifier; |
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24 | |
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25 | template <class T> |
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26 | friend class SubclassIdentifier; |
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27 | |
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28 | template <class T> |
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29 | friend class ClassFactory; |
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30 | |
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31 | public: |
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32 | inline void addFactory(BaseFactory* factory) { this->factory_ = factory; } |
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33 | BaseObject* fabricate(); |
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34 | |
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35 | bool isA(const Identifier* identifier) const; |
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36 | bool isDirectlyA(const Identifier* identifier) const; |
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37 | bool isChildOf(const Identifier* identifier) const; |
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38 | bool isParentOf(const Identifier* identifier) const; |
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39 | |
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40 | inline const std::string& getName() const { return this->name_; } |
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41 | inline const IdentifierList& getParents() const { return this->parents_; } |
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42 | inline IdentifierList& getChildren() const { return *this->children_; } |
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43 | |
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44 | inline static bool isCreatingHierarchy() { return (hierarchyCreatingCounter_s > 0); } |
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45 | |
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46 | inline const unsigned int getNetworkID() const { return this->classID_; } |
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47 | void setNetworkID(unsigned int id); |
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48 | |
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49 | private: |
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50 | Identifier(); |
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51 | Identifier(const Identifier& identifier) {} |
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52 | virtual ~Identifier(); |
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53 | void initialize(const IdentifierList* parents); |
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54 | |
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55 | inline static void startCreatingHierarchy() |
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56 | { |
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57 | hierarchyCreatingCounter_s++; |
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58 | #if HIERARCHY_VERBOSE |
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59 | std::cout << "*** Increased Hierarchy-Creating-Counter to " << hierarchyCreatingCounter_s << "\n"; |
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60 | #endif |
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61 | } |
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62 | |
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63 | inline static void stopCreatingHierarchy() |
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64 | { |
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65 | hierarchyCreatingCounter_s--; |
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66 | #if HIERARCHY_VERBOSE |
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67 | std::cout << "*** Decreased Hierarchy-Creating-Counter to " << hierarchyCreatingCounter_s << "\n"; |
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68 | #endif |
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69 | } |
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70 | |
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71 | IdentifierList parents_; |
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72 | IdentifierList* children_; |
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73 | |
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74 | std::string name_; |
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75 | |
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76 | BaseFactory* factory_; |
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77 | bool bCreatedOneObject_; |
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78 | static int hierarchyCreatingCounter_s; |
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79 | static unsigned int classIDcounter_s; |
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80 | unsigned int classID_; |
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81 | }; |
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82 | |
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83 | |
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84 | // ############################### |
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85 | // ### ClassIdentifier ### |
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86 | // ############################### |
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87 | template <class T> |
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88 | class ClassIdentifier : public Identifier |
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89 | { |
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90 | public: |
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91 | static ClassIdentifier<T>* registerClass(const IdentifierList* parents, const std::string& name, bool bRootClass); |
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92 | static ClassIdentifier<T>* getIdentifier(); |
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93 | static void addObject(T* object); |
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94 | |
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95 | private: |
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96 | ClassIdentifier(); |
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97 | ClassIdentifier(const ClassIdentifier<T>& identifier) {} |
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98 | ~ClassIdentifier(); |
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99 | |
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100 | static ClassIdentifier<T>* pointer_s; |
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101 | ObjectList<T>* objects_; |
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102 | }; |
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103 | |
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104 | template <class T> |
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105 | ClassIdentifier<T>* ClassIdentifier<T>::pointer_s = NULL; |
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106 | |
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107 | template <class T> |
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108 | ClassIdentifier<T>::ClassIdentifier() |
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109 | { |
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110 | this->objects_ = new ObjectList<T>; |
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111 | } |
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112 | |
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113 | template <class T> |
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114 | ClassIdentifier<T>::~ClassIdentifier() |
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115 | { |
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116 | delete this->objects_; |
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117 | this->pointer_s = NULL; |
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118 | } |
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119 | |
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120 | template <class T> |
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121 | ClassIdentifier<T>* ClassIdentifier<T>::registerClass(const IdentifierList* parents, const std::string& name, bool bRootClass) |
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122 | { |
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123 | #if HIERARCHY_VERBOSE |
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124 | std::cout << "*** Register Class in " << name << "-Singleton.\n"; |
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125 | #endif |
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126 | if (!pointer_s) |
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127 | { |
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128 | #if HIERARCHY_VERBOSE |
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129 | std::cout << "*** Register Class in " << name << "-Singleton -> Create Singleton.\n"; |
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130 | #endif |
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131 | pointer_s = new ClassIdentifier(); |
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132 | } |
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133 | |
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134 | if (!pointer_s->bCreatedOneObject_) |
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135 | { |
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136 | #if HIERARCHY_VERBOSE |
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137 | std::cout << "*** Register Class in " << name << "-Singleton -> Initialize Singleton.\n"; |
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138 | #endif |
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139 | pointer_s->name_ = name; |
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140 | Factory::add(name, pointer_s); |
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141 | |
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142 | if (bRootClass) |
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143 | pointer_s->initialize(NULL); |
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144 | else |
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145 | pointer_s->initialize(parents); |
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146 | } |
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147 | |
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148 | return pointer_s; |
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149 | } |
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150 | |
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151 | template <class T> |
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152 | ClassIdentifier<T>* ClassIdentifier<T>::getIdentifier() |
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153 | { |
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154 | if (!pointer_s) |
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155 | { |
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156 | #if HIERARCHY_VERBOSE |
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157 | std::cout << "*** Create Singleton.\n"; |
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158 | #endif |
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159 | pointer_s = new ClassIdentifier(); |
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160 | } |
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161 | |
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162 | return pointer_s; |
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163 | } |
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164 | |
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165 | template <class T> |
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166 | void ClassIdentifier<T>::addObject(T* object) |
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167 | { |
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168 | #if HIERARCHY_VERBOSE |
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169 | std::cout << "*** Added object to " << ClassIdentifier<T>::getIdentifier()->getName() << "-list.\n"; |
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170 | #endif |
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171 | object->getMetaList()->add(ClassIdentifier<T>::getIdentifier()->objects_, ClassIdentifier<T>::getIdentifier()->objects_->add(object)); |
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172 | } |
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173 | |
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174 | |
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175 | // ############################### |
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176 | // ### SubclassIdentifier ### |
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177 | // ############################### |
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178 | template <class B> |
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179 | class SubclassIdentifier |
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180 | { |
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181 | public: |
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182 | SubclassIdentifier(); |
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183 | |
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184 | SubclassIdentifier<B>& operator=(Identifier* identifier) |
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185 | { |
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186 | if (!identifier->isA(ClassIdentifier<B>::getIdentifier())) |
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187 | { |
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188 | std::cout << "Error: Class " << identifier->getName() << " is not a " << ClassIdentifier<B>::getIdentifier()->getName() << "!\n"; |
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189 | std::cout << "Error: SubclassIdentifier<" << ClassIdentifier<B>::getIdentifier()->getName() << "> = Class(" << identifier->getName() << ") is forbidden.\n"; |
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190 | std::cout << "Aborting...\n"; |
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191 | abort(); |
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192 | } |
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193 | this->identifier_ = identifier; |
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194 | return *this; |
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195 | } |
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196 | |
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197 | Identifier* operator*() |
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198 | { |
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199 | return this->identifier_; |
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200 | } |
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201 | |
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202 | Identifier* operator->() const |
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203 | { |
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204 | return this->identifier_; |
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205 | } |
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206 | |
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207 | B* fabricate() |
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208 | { |
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209 | BaseObject* newObject = this->identifier_->fabricate(); |
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210 | if (newObject) |
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211 | { |
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212 | return dynamic_cast<B*>(newObject); |
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213 | } |
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214 | else |
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215 | { |
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216 | if (this->identifier_) |
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217 | { |
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218 | std::cout << "Error: Class " << this->identifier_->getName() << " is not a " << ClassIdentifier<B>::getIdentifier()->getName() << "!\n"; |
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219 | std::cout << "Error: Couldn't fabricate a new Object.\n"; |
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220 | std::cout << "Aborting...\n"; |
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221 | } |
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222 | else |
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223 | { |
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224 | std::cout << "Error: Couldn't fabricate a new Object - Identifier is undefined.\n"; |
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225 | std::cout << "Aborting...\n"; |
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226 | } |
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227 | |
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228 | abort(); |
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229 | } |
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230 | } |
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231 | |
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232 | inline const Identifier* getIdentifier() const |
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233 | { return this->identifier_; } |
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234 | inline bool isA(const Identifier* identifier) const |
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235 | { return this->identifier_->isA(identifier); } |
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236 | inline bool isDirectlyA(const Identifier* identifier) const |
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237 | { return this->identifier_->isDirectlyA(identifier); } |
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238 | inline bool isChildOf(const Identifier* identifier) const |
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239 | { return this->identifier_->isChildOf(identifier); } |
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240 | inline bool isParentOf(const Identifier* identifier) const |
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241 | { return this->identifier_->isParentOf(identifier); } |
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242 | |
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243 | private: |
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244 | Identifier* identifier_; |
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245 | }; |
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246 | |
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247 | template <class B> |
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248 | SubclassIdentifier<B>::SubclassIdentifier() |
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249 | { |
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250 | this->identifier_ = ClassIdentifier<B>::getIdentifier(); |
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251 | } |
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252 | } |
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253 | |
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254 | #endif |
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