1 | // -*-mode: c++; -*- |
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2 | #ifndef __GRAPH_H_ |
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3 | #define __GRAPH_H_ |
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4 | |
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5 | //inline void *operator new(size_t s, void *p) { return p; } |
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6 | #include <new> |
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7 | #include <vector> |
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8 | |
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9 | namespace NEGRO |
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10 | { |
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11 | using namespace std; |
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12 | |
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13 | #include "oldgraph.h" |
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14 | |
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15 | template <class N, class E> class Graph : protected OldGraph<N,E> |
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16 | { |
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17 | public: |
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18 | typedef E EdgeType; |
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19 | typedef N NodeType; |
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20 | |
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21 | class EdgePoint |
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22 | { |
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23 | public: |
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24 | NEGRO::EdgePoint e; |
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25 | bool isValid() { return e; } |
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26 | }; |
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27 | |
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28 | class InEdgePoint : public EdgePoint {}; |
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29 | class OutEdgePoint : public EdgePoint {}; |
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30 | class BiEdgePoint : public EdgePoint {}; |
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31 | class SymEdgePoint : public EdgePoint {}; |
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32 | |
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33 | typedef int NodePoint; |
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34 | |
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35 | class NodeIterator; |
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36 | |
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37 | class EdgeIterator; |
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38 | class InEdgeIterator; |
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39 | class OutEdgeIterator; |
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40 | class BiEdgeIterator; |
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41 | class SymEdgeIterator; |
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42 | class AllEdgeIterator; |
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43 | |
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44 | class FirstAnythingTypeNode; //Required by the unified First() function. |
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45 | |
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46 | friend class NodeIterator; |
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47 | friend class EdgeIterator; |
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48 | friend class InEdgeIterator; |
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49 | friend class OutEdgeIterator; |
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50 | friend class BiEdgeIterator; |
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51 | friend class SymEdgeIterator; |
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52 | friend class AllEdgeIterator; |
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53 | |
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54 | class NodeIterator |
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55 | { |
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56 | Graph<N,E> *G; //operator*() miatt kell!!! |
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57 | int n; //nem kellene, ha itt mutato lenne!! |
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58 | public: |
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59 | |
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60 | NodeIterator() {;} |
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61 | NodeIterator(Graph<N,E> &Gr)//'const Graph<N,E> &G' would be wrong. |
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62 | {G=&Gr;n=Gr.OldGraph<N,E>::FirstNode();} |
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63 | NodeIterator(const NodeIterator &i) {G=i.G;n=i.n;} |
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64 | |
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65 | NodeIterator &GoNext() { n=G->NextNode(n); return *this;} |
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66 | NodeIterator Next() const { return NodeIterator(*this).GoNext();} |
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67 | NodeIterator &operator++() { return GoNext();} |
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68 | NodeIterator operator++(int) |
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69 | {NodeIterator tmp(*this); GoNext(); return tmp;} |
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70 | bool isValid() { return n!=INVALID; } |
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71 | |
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72 | N &operator*() const { return G->Data(n); } |
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73 | N *operator->() const { return &G->Data(n); } |
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74 | |
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75 | bool operator==(const NodeIterator &i) const {return n==i.n;} |
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76 | bool operator!=(const NodeIterator &i) const {return n!=i.n;} |
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77 | |
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78 | int Index() const { return n; } //If the nodes are indexable |
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79 | friend class Graph; |
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80 | friend class EdgeIterator; |
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81 | friend class InEdgeIterator; |
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82 | friend class OutEdgeIterator; |
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83 | friend class BiEdgeIterator; |
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84 | friend class SymEdgeIterator; |
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85 | friend class AllEdgeIterator; |
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86 | friend class FirstAnythingTypeNode; |
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87 | |
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88 | //Nem kellene egy: |
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89 | // static NodeIterator &GetInvalid(); ? |
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90 | }; |
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91 | |
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92 | class EdgeIterator |
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93 | { |
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94 | |
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95 | Graph<N,E> *G; //Itt baj van!!!!! operator*() miatt kell! |
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96 | //Ez csak kicsit baj, de: |
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97 | // Meg a From() es To() miatt!!!!!!!!!! |
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98 | |
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99 | NEGRO::EdgePoint e; |
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100 | |
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101 | public: |
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102 | EdgeIterator() {;} //Kell inicializalni? (Nem) |
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103 | EdgeIterator(const EdgeIterator &i) {G=i.G;e=i.e;} |
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104 | |
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105 | // Lehet, hogy ez a ketto nem kell!!! |
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106 | |
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107 | NodeIterator From() const {NodeIterator i;i.G=G;i.n=e->From();return i;} |
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108 | NodeIterator To() const {NodeIterator i;i.G=G;i.n=e->To();return i;} |
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109 | |
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110 | bool isValid() {return e;} |
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111 | E &operator*() const { return G->Data(e); } |
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112 | E *operator->() const { return &G->Data(e); } |
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113 | |
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114 | //operator const OutEdgeIterator (); |
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115 | //operator const InEdgeIterator (); |
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116 | //operator const BiEdgeIterator (); |
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117 | //operator const SymEdgeIterator(); //Ez kerdeses, mit csinal |
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118 | |
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119 | bool operator==(const EdgeIterator &i) const {return e==i.e;} |
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120 | bool operator!=(const EdgeIterator &i) const {return e!=i.e;} |
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121 | |
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122 | int Index() const { return e.index.block*EDGE_BLOCK_SIZE+e.index.index; } |
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123 | //If the edges are indexable |
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124 | |
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125 | friend class Graph; |
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126 | friend class InEdgeIterator; |
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127 | friend class OutEdgeIterator; |
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128 | friend class BiEdgeIterator; |
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129 | friend class SymEdgeIterator; |
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130 | friend class AllEdgeIterator; |
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131 | }; |
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132 | |
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133 | class BiEdgeIterator : public EdgeIterator |
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134 | { |
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135 | public: |
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136 | BiEdgeIterator &GoNextIn() { e=e->NextIn(); return *this;} |
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137 | BiEdgeIterator &GoNextOut() { e=e->NextOut(); return *this;} |
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138 | BiEdgeIterator NextIn() const {return BiEdgeIterator(*this).GoNextIn();} |
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139 | BiEdgeIterator NextOut() const {return BiEdgeIterator(*this).GoNextOut();} |
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140 | |
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141 | operator InEdgeIterator () |
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142 | {InEdgeIterator i; i.G=G;i.e=e;return i;} |
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143 | operator OutEdgeIterator () |
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144 | {OutEdgeIterator i; i.G=G;i.e=e;return i;} |
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145 | //operator const SymEdgeIterator () |
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146 | |
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147 | friend class Graph; |
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148 | }; |
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149 | |
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150 | class InEdgeIterator : public EdgeIterator |
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151 | //Ne a BiEdgeIterator-bol szarmazzon? |
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152 | { |
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153 | public: |
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154 | InEdgeIterator() {} |
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155 | InEdgeIterator(const Graph<N,E> &Gr,const NodeIterator &n) |
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156 | { G=&Gr; e=Gr.OldGraph<N,E>::FirstIn(n.n);} |
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157 | |
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158 | InEdgeIterator &GoNext() { e=e->NextIn(); return *this;} |
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159 | InEdgeIterator Next() const {return InEdgeIterator(*this).GoNext();} |
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160 | InEdgeIterator &operator++() { return GoNext();} |
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161 | InEdgeIterator operator++(int) |
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162 | {InEdgeIterator tmp(*this); GoNext(); return tmp;} |
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163 | |
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164 | operator const OutEdgeIterator () |
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165 | {OutEdgeIterator i; i.G=G;i.e=e;return i;} |
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166 | operator const BiEdgeIterator () |
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167 | {EdgeIterator i; i.G=G;i.e=e;return i;} |
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168 | // operator const SymEdgeIterator (); |
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169 | |
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170 | NodeIterator Anode() const {return To();} |
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171 | NodeIterator Bnode() const {return From();} |
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172 | |
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173 | friend class Graph; |
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174 | }; |
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175 | |
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176 | class OutEdgeIterator : public EdgeIterator |
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177 | { |
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178 | public: |
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179 | OutEdgeIterator() {} |
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180 | OutEdgeIterator(Graph<N,E> &Gr,const NodeIterator &n) |
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181 | { G=&Gr; e=Gr.OldGraph<N,E>::FirstOut(n.n);} |
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182 | |
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183 | OutEdgeIterator &GoNext() { e=e->NextOut(); return *this;} |
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184 | OutEdgeIterator Next() const {return OutEdgeIterator(*this).GoNext();} |
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185 | OutEdgeIterator &operator++() { return GoNext();} |
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186 | OutEdgeIterator operator++(int) |
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187 | {OutEdgeIterator tmp(*this); GoNext(); return tmp;} |
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188 | |
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189 | NodeIterator Anode() const {return From();} |
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190 | NodeIterator Bnode() const {return To();} |
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191 | |
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192 | operator const InEdgeIterator () |
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193 | {InEdgeIterator i; i.G=G;i.e=e;return i;} |
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194 | operator const BiEdgeIterator () |
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195 | {BiEdgeIterator i; i.G=G;i.e=e;return i;} |
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196 | //operator const SymEdgeIterator(); |
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197 | |
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198 | friend class Graph; |
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199 | }; |
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200 | |
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201 | class SymEdgeIterator : public EdgeIterator |
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202 | { |
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203 | NodeIterator n; // Itt ketszer van a G |
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204 | |
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205 | public: |
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206 | SymEdgeIterator() {} |
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207 | SymEdgeIterator(const Graph<N,E> &Gr,const NodeIterator &nn) |
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208 | { G=&Gr; n=nn; e=Gr.FirstSym(nn.n); } |
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209 | |
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210 | SymEdgeIterator &GoNext() { e=e->NextEdge(n.n); return *this;} |
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211 | SymEdgeIterator Next() const {return SymEdgeIterator(*this).GoNext();} |
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212 | SymEdgeIterator &operator++() { return GoNext();} |
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213 | SymEdgeIterator operator++(int) |
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214 | {SymEdgeIterator tmp(*this); GoNext(); return tmp;} |
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215 | |
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216 | NodeIterator Anode() const {return n;} |
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217 | NodeIterator Bnode() const {return n.n==From().n?To():From();} |
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218 | |
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219 | operator const InEdgeIterator () |
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220 | {InEdgeIterator i; i.G=G;i.e=e;return i;} |
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221 | operator const OutEdgeIterator () |
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222 | {OutEdgeIterator i; i.G=G;i.e=e;return i;} |
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223 | operator const BiEdgeIterator () |
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224 | {BiEdgeIterator i; i.G=G;i.e=e;return i;} |
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225 | |
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226 | friend class Graph; |
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227 | }; |
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228 | |
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229 | class AllEdgeIterator : public EdgeIterator |
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230 | { |
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231 | NodeIterator n; // Itt ketszer van a G |
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232 | |
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233 | public: |
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234 | AllEdgeIterator() {} |
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235 | AllEdgeIterator(Graph<N,E> &Gr) : n(Gr) |
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236 | { |
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237 | e=n.isValid()?Gr.OldGraph<N,E>::FirstOut(n.n):NULL; |
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238 | } |
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239 | |
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240 | AllEdgeIterator &GoNext() |
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241 | { |
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242 | e=e->NextOut(); |
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243 | if(!e && (++n).isValid()) e=G->OldGraph<N,E>::FirstOut(n.n); |
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244 | return *this; |
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245 | } |
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246 | AllEdgeIterator Next() const {return AllEdgeIterator(*this).GoNext();} |
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247 | AllEdgeIterator &operator++() { return GoNext();} |
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248 | AllEdgeIterator operator++(int) |
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249 | {AllEdgeIterator tmp(*this); GoNext(); return tmp;} |
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250 | |
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251 | |
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252 | NodeIterator Anode() const {return n;} |
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253 | NodeIterator Bnode() const {return n.n==From().n?To():From();} |
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254 | |
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255 | operator const InEdgeIterator () |
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256 | {InEdgeIterator i; i.G=G;i.e=e;return i;} |
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257 | operator const OutEdgeIterator () |
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258 | {OutEdgeIterator i; i.G=G;i.e=e;return i;} |
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259 | operator const BiEdgeIterator () |
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260 | {BiEdgeIterator i; i.G=G;i.e=e;return i;} |
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261 | |
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262 | friend class Graph; |
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263 | }; |
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264 | |
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265 | typedef NodeIterator DeletingNodeIterator; |
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266 | typedef EdgeIterator DeletingEdgeIterator; |
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267 | typedef BiEdgeIterator DeletingBiEdgeIterator; |
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268 | typedef OutEdgeIterator DeletingOutEdgeIterator; |
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269 | typedef InEdgeIterator DeletingInEdgeIterator; |
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270 | typedef SymEdgeIterator DeletingSymEdgeIterator; |
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271 | |
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272 | const NodeIterator FirstNode() |
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273 | { |
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274 | NodeIterator i; |
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275 | i.G=this;i.n=OldGraph<N,E>::FirstNode(); |
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276 | return i; |
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277 | } |
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278 | |
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279 | void GetFirst(NodePoint &p) { p=OldGraph<N,E>::FirstNode(); } |
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280 | |
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281 | void GetFirst(InEdgePoint &p,const NodePoint &n) |
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282 | { p=OldGraph<N,E>::FirstIn(n); } |
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283 | void GetFirst(OutEdgePoint &p,const NodePoint &n) |
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284 | { p=OldGraph<N,E>::FirstOut(n); } |
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285 | void GetFirst(SymEdgePoint &p,const NodePoint &n) |
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286 | { p=OldGraph<N,E>::FirstEdge(n); } |
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287 | void GetFirst(EdgePoint &p) //Vegigmegy mindenen |
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288 | { p.e=NodeNum()?OldGraph<N,E>::FirstOut(OldGraph<N,E>::FirstNode()):NULL;} |
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289 | |
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290 | void GetFirst(NodeIterator &i) { i.G=this;i.n=OldGraph<N,E>::FirstNode();} |
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291 | |
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292 | void GetFirst(InEdgeIterator &i,const NodeIterator &n) |
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293 | { i.G=this;i.e=OldGraph<N,E>::FirstIn(n.n); } |
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294 | void GetFirst(OutEdgeIterator &i,const NodeIterator &n) |
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295 | { i.G=this;i.e=OldGraph<N,E>::FirstOut(n.n); } |
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296 | void GetFirst(SymEdgeIterator &i,const NodeIterator &n) |
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297 | { i.G=this;i.e=OldGraph<N,E>::FirstSym(n.n); } |
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298 | void GetFirst(AllEdgeIterator &i) //Vegigmegy mindenen |
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299 | { |
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300 | i.G=this; |
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301 | GetFirst(i.n); |
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302 | i.e=OldGraph<N,E>::NodeNum()?OldGraph<N,E>::FirstOut(i.n.n):NULL; |
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303 | } |
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304 | |
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305 | |
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306 | |
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307 | //Vagy beginnode()? |
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308 | const DeletingEdgeIterator FirstOut(const NodeIterator &n) |
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309 | { |
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310 | EdgeIterator i; |
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311 | i.G=n.G;i.edge=n.G->OldGraph<N,E>::FirstOut(n.n); |
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312 | return i; |
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313 | } |
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314 | const DeletingEdgeIterator FirstIn(const NodeIterator &n) |
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315 | { |
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316 | EdgeIterator i; |
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317 | i.G=n.G;i.edge=n.G->OldGraph<N,E>::FirstIn(n.n); |
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318 | return i; |
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319 | } |
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320 | const DeletingSymEdgeIterator FirstSym(const NodeIterator &n) |
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321 | { |
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322 | EdgeIterator i; |
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323 | i.G=n.G;i.n=n.n; |
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324 | i.edge=n.G->OldGraph<N,E>::FirstEdge(n.n); |
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325 | return i; |
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326 | } |
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327 | |
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328 | // class FirstAnythingType; |
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329 | // friend class FirstAnythingType; |
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330 | |
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331 | class FirstAnythingTypeNode |
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332 | { |
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333 | NodeIterator n; |
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334 | public: |
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335 | FirstAnythingTypeNode(NodeIterator i) : n(i) {} |
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336 | |
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337 | operator const InEdgeIterator () const |
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338 | {InEdgeIterator i; n.G->GetFirst(i,n);return i;} |
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339 | operator const OutEdgeIterator () const |
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340 | {OutEdgeIterator i; n.G->GetFirst(i,n);return i;} |
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341 | operator const SymEdgeIterator () const |
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342 | {SymEdgeIterator i; n.G->GetFirst(i,n);return i;} |
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343 | |
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344 | operator const InEdgePoint () const |
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345 | {InEdgePoint i; n.G->GetFirst(i,n);return i;} |
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346 | operator const OutEdgePoint () const |
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347 | {OutEdgePoint i; n.G->GetFirst(i,n);return i;} |
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348 | operator const SymEdgePoint () const |
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349 | {SymEdgePoint i; n.G->GetFirst(i,n);return i;} |
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350 | }; |
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351 | |
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352 | class FirstAnythingType |
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353 | { |
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354 | Graph<N,E> *G; |
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355 | public: |
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356 | FirstAnythingType(Graph<N,E> *gg) : G(gg) {} |
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357 | |
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358 | operator const AllEdgeIterator () const |
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359 | {AllEdgeIterator i; G->GetFirst(i);return i;} |
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360 | operator const EdgePoint () const |
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361 | {EdgePoint i; G->GetFirst(i);return i;} |
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362 | operator const NodeIterator () const |
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363 | {NodeIterator i; G->GetFirst(i);return i;} |
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364 | operator const NodePoint () const |
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365 | {NodePoint i; G->GetFirst(i);return i;} |
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366 | } _FST; |
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367 | |
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368 | // const NodeIterator First() {NodeIterator i;GetFirst(i); return i;} |
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369 | FirstAnythingTypeNode First(NodeIterator &i) |
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370 | {FirstAnythingTypeNode t(i); return t;} |
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371 | const FirstAnythingType &First() {return _FST;} |
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372 | |
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373 | // LastNode() vagy endnode() stb. Nem kell? |
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374 | |
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375 | DeletingNodeIterator AddNode() |
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376 | { |
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377 | DeletingNodeIterator i; |
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378 | i.G=this; i.n=OldGraph<N,E>::AddNode(); |
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379 | return i; |
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380 | } |
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381 | DeletingEdgeIterator |
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382 | AddEdge(const NodeIterator from,const NodeIterator to) |
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383 | { |
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384 | DeletingEdgeIterator i; |
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385 | i.G=this;i.e=OldGraph<N,E>::AddEdge(from.n,to.n);return i; |
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386 | } |
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387 | |
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388 | void Delete(DeletingNodeIterator n) {n.G->OldGraph<N,E>::Delete(n.n);} |
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389 | void Delete(DeletingEdgeIterator e) {e.G->OldGraph<N,E>::Delete(e.e);} |
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390 | |
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391 | int NodeNum() { OldGraph<N,E>::NodeNum(); } |
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392 | void Clean() { OldGraph<N,E>::Clean(); } |
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393 | |
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394 | Graph() : _FST(this) {} |
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395 | |
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396 | // MAPS: |
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397 | template<class T> class NodeMap |
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398 | { |
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399 | Graph<N,E> *G; |
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400 | vector<T> map; |
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401 | |
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402 | public: |
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403 | typedef T value_type; |
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404 | void Put(const NodeIterator i, const T &t) {map[i.Index()]=t;} |
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405 | T Get(const NodeIterator i) const {return map[i.Index()];} |
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406 | T operator[](NodeIterator i) {return map[i.Index()];} |
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407 | |
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408 | void update() { map.resize(G->MaxNode());} |
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409 | |
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410 | NodeMap() {} |
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411 | void SetG(Graph<N,E> &Gr) { G=&Gr; update();} |
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412 | }; |
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413 | |
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414 | template<class T> class EdgeMap |
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415 | { |
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416 | Graph<N,E> *G; |
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417 | vector<T> map; |
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418 | |
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419 | public: |
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420 | typedef T value_type; |
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421 | void Put(const NodeIterator i, const T &t) {map[i.Index()]=t;} |
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422 | T &Get(const NodeIterator i) {return map[i.Index()];} |
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423 | T &operator[](NodeIterator i) {return map[i.Index()];} |
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424 | |
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425 | void update() |
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426 | { map.resize(G->MaxEdge());} |
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427 | |
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428 | EdgeMap() {} |
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429 | void SetG(Graph<N,E> &Gr) |
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430 | { G=&Gr ;update();} |
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431 | |
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432 | }; |
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433 | |
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434 | |
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435 | int MaxNode() { return OldGraph<N,E>::MaxNode();} |
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436 | int MaxEdge() { return ::edge_block_num*EDGE_BLOCK_SIZE;} |
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437 | |
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438 | }; |
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439 | |
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440 | /* Ez itt a fiam kommentje: |
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441 | <v n nnnnnnnnnnnnnncncccccccccccccccccvvvvvv |
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442 | vvnvnvnvnvnvvnnvnvnvnnvnbbbvfffffvvffffffffffffffffffffz |
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443 | << < < < < < < .cx..x.c.cc.c |
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444 | mcmn |
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445 | */ |
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446 | |
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447 | } |
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448 | |
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449 | #endif |
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