Changeset 700:236117f60eee in lemon-0.x for src
- Timestamp:
- 07/14/04 12:05:31 (20 years ago)
- Branch:
- default
- Phase:
- public
- Convert:
- svn:c9d7d8f5-90d6-0310-b91f-818b3a526b0e/lemon/trunk@951
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
src/work/deba/vector_map_factory.h
r698 r700 3 3 4 4 #include <vector> 5 #include <iostream> 5 6 6 7 namespace hugo { 8 9 /** The VectorMapFactory template class is a factory class 10 * to create maps for the edge and nodes. This map factory 11 * use the std::vector to implement the container function. 12 * 13 * The template parameter is the MapRegistry that the maps 14 * will belong to. 15 */ 7 16 8 17 template <typename MapRegistry> 9 class VectorMapFactory { 18 class VectorMapFactory { 19 public: 20 21 /// The graph type of the maps. 22 typedef typename MapRegistry::Graph Graph; 23 /// The key type of the maps. 24 typedef typename MapRegistry::Key Key; 25 /// The iterator to iterate on the keys. 26 typedef typename MapRegistry::KeyIt KeyIt; 27 28 /// The MapBase of the Map which imlements the core regisitry function. 29 typedef typename MapRegistry::MapBase MapBase; 30 31 32 /** The template Map type. 33 */ 34 template <typename V> 35 class Map : public MapBase { 10 36 public: 11 12 typedef typename MapRegistry::Graph Graph; 13 typedef typename MapRegistry::Key Key; 14 typedef typename MapRegistry::KeyIt KeyIt; 15 16 typedef typename MapRegistry::MapBase MapBase; 17 18 19 template <typename V> 20 class Map : public MapBase { 21 public: 37 38 /// The value type of the map. 22 39 typedef V Value; 23 24 typedef std::vector<Value> Container; 40 41 typedef std::vector<Value> Container; 42 43 /** Default constructor for the map. 44 */ 25 45 Map() {} 26 27 Map(Graph& g, MapRegistry& r) : MapBase(g, r) { 46 47 /** Graph and Registry initialized map constructor. 48 */ 49 Map(const Graph& g, MapRegistry& r) : MapBase(g, r) { 28 50 init(); 29 51 } 30 31 52 53 /** Constructor to use default value to initialize the map. 54 */ 55 Map(const Graph& g, MapRegistry& r, const Value& v) : MapBase(g, r) { 56 init(); 57 for (KeyIt it(*getGraph()); getGraph()->valid(it); getGraph()->next(it)) { 58 set(it, v); 59 } 60 } 61 62 /** Constructor to copy a map of an other map type. 63 */ 64 template <typename CMap> Map(const CMap& copy) : MapBase(copy) { 65 if (getGraph()) { 66 init(); 67 for (KeyIt it(*getGraph()); getGraph()->valid(it); getGraph()->next(it)) { 68 set(it, copy[it]); 69 } 70 } 71 } 72 73 /** Assign operator to copy a map an other map type. 74 */ 75 template <typename CMap> Map& operator=(const CMap& copy) { 76 if (getGraph()) { 77 destroy(); 78 } 79 this->MapBase::operator=(copy); 80 if (getGraph()) { 81 init(); 82 for (KeyIt it(*getGraph()); getGraph()->valid(it); getGraph()->next(it)) { 83 set(it, copy[it]); 84 } 85 } 86 } 87 88 /** The destructor of the map. 89 */ 32 90 virtual ~Map() { 33 91 destroy(); 34 92 } 35 36 93 94 /** 95 * The subscript operator. The map can be subscripted by the 96 * actual keys of the graph. 97 */ 37 98 typename Container::reference operator[](const Key& key) { 38 int id = g raph->id(key);99 int id = getGraph()->id(key); 39 100 return container[id]; 40 101 } 41 102 103 /** 104 * The const subscript operator. The map can be subscripted by the 105 * actual keys of the graph. 106 */ 42 107 typename Container::const_reference operator[](const Key& key) const { 43 int id = g raph->id(key);108 int id = getGraph()->id(key); 44 109 return container[id]; 45 110 } 46 111 112 /** Setter function of the map. Equivalent with map[key] = val. 113 * This is a compatibility feature with the not dereferable maps. 114 */ 47 115 void set(const Key& key, const Value& val) { 48 int id = g raph->id(key);116 int id = getGraph()->id(key); 49 117 container[id] = val; 50 118 } 51 119 120 /** Add a new key to the map. It called by the map registry. 121 */ 52 122 void add(const Key& key) { 53 int id = g raph->id(key);123 int id = getGraph()->id(key); 54 124 if (id >= container.size()) { 55 125 container.resize(id + 1); … … 57 127 } 58 128 129 /** Erease a key from the map. It called by the map registry. 130 */ 59 131 void erase(const Key& key) {} 60 61 class const_iterator { 62 63 private: 64 65 }; 66 132 133 /** Compatible iterator with the stl maps' iterators. 134 * It iterates on pairs of a key and a value. 135 */ 67 136 class iterator { 137 friend class Map; 138 friend class const_iterator; 139 private: 140 141 /** Private constructor to initalize the the iterators returned 142 * by the begin() and end(). 143 */ 144 iterator (Map& pmap, const KeyIt& pit) : map(&pmap), it(pit) {} 145 68 146 public: 147 148 /** Default constructor. 149 */ 69 150 iterator() {} 70 71 std::pair<const Key&, Value&> operator*() { 72 return std::pair<const Key&, Value&>(static_cast<Key&>(it), map[it]); 73 } 74 75 iterator& operator++() { ++it; return *this; } 76 iterator operator++(int) { iterator tmp(it); ++it; return tmp; } 77 private: 78 Map& map; 151 152 /** Dereference operator for map. 153 */ 154 std::pair<const Key, Value> operator*() { 155 return std::pair<const Key, Value>(it, (*map)[it]); 156 } 157 158 /** Arrow operator for map. 159 */ 160 std::pair<const Key, Value>* operator->() { 161 static std::pair<const Key, Value> tmp = operator*(); 162 return &tmp; 163 } 164 165 /** The pre increment operator of the map. 166 */ 167 iterator& operator++() { 168 map->getGraph()->next(it); 169 return *this; 170 } 171 172 /** The post increment operator of the map. 173 */ 174 iterator operator++(int) { 175 iterator tmp(it); 176 map.getGraph()->next(it); 177 return tmp; 178 } 179 180 /** The equality operator of the map. 181 */ 182 bool operator==(const_iterator p_it) { 183 return p_it.it == it; 184 } 185 186 /** The not-equality operator of the map. 187 */ 188 bool operator!=(const_iterator p_it) { 189 return !(*this == p_it); 190 } 191 192 private: 193 Map* map; 79 194 KeyIt it; 80 195 }; 81 196 82 private: 83 typedef std::vector<Value> Container; 197 /** Returns the begin iterator of the map. 198 */ 199 iterator begin() { 200 return iterator(*this, KeyIt(*getGraph())); 201 } 202 203 /** Returns the end iterator of the map. 204 */ 205 iterator end() { 206 return iterator(*this, INVALID); 207 } 208 209 class const_iterator { 210 friend class Map; 211 friend class iterator; 212 private: 213 214 /** Private constructor to initalize the the iterators returned 215 * by the begin() and end(). 216 */ 217 const_iterator (Map& pmap, const KeyIt& pit) : map(&pmap), it(pit) {} 218 219 public: 220 221 /** Default constructor. 222 */ 223 const_iterator() {} 224 225 /** Constructor to convert iterator to const_iterator. 226 */ 227 const_iterator(iterator p_it) { 228 it = p_it.it; 229 } 230 231 /** Dereference operator for map. 232 */ 233 std::pair<const Key, const Value> operator*() const { 234 return std::pair<const Key, const Value>(it, (*map)[it]); 235 } 236 237 /** Arrow operator for map. 238 */ 239 std::pair<const Key, const Value>* operator->() const { 240 static std::pair<const Key, const Value> tmp = operator*(); 241 return &tmp; 242 } 243 244 /** The pre increment operator of the map. 245 */ 246 const_iterator& operator++() { 247 map->getGraph()->next(it); 248 return *this; 249 } 250 251 /** The post increment operator of the map. 252 */ 253 const_iterator operator++(int) { 254 const_iterator tmp(it); 255 map->getGraph()->next(it); 256 return tmp; 257 } 258 259 /** The equality operator of the map. 260 */ 261 bool operator==(const_iterator p_it) { 262 return p_it.it == it; 263 } 264 265 /** The not-equality operator of the map. 266 */ 267 bool operator!=(const_iterator p_it) { 268 return !(*this == p_it); 269 } 270 271 private: 272 const Map* map; 273 KeyIt it; 274 }; 275 276 /** Returns the begin const_iterator of the map. 277 */ 278 const_iterator begin() const { 279 return const_iterator(*this, KeyIt(*getGraph())); 280 } 281 282 /** Returns the end const_iterator of the map. 283 */ 284 const_iterator end() const { 285 return const_iterator(*this, INVALID); 286 } 287 288 private: 84 289 85 290 Container container; 86 291 87 88 292 }; 89 90 91 92 293 93 294 }; 295 94 296 } 95 297
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