deba@822: // -*- c++ -*-
deba@822: #ifndef VECTOR_MAP_H
deba@822: #define VECTOR_MAP_H
deba@822: 
deba@822: #include <vector>
deba@822: 
deba@822: #include <hugo/map_iterator.h>
deba@822: 
deba@822: ///\ingroup graphmaps
deba@822: ///\file
deba@822: ///\brief Vector based graph maps.
deba@822: 
deba@822: namespace hugo {
deba@822:   
deba@822:   /// \addtogroup graphmaps
deba@822:   /// @{
deba@822:   
deba@822:   /** The ArrayMap template class is graph map structure what
deba@822:    *  automatically updates the map when a key is added to or erased from
deba@822:    *  the map. This map factory uses the allocators to implement 
deba@822:    *  the container functionality. This map factory
deba@822:    *  uses the std::vector to implement the container function.
deba@822:    *
deba@822:    *  The template parameter is the MapRegistry that the maps
deba@822:    *  will belong to and the ValueType.
deba@822:    * 
deba@822:    * \todo It should use a faster initialization using the maxNodeId() or
deba@822:    * maxEdgeId() function of the graph instead of iterating through each
deba@822:    * edge/node.
deba@822:    */
deba@822: 	
deba@822:   template <typename MapRegistry, typename Value>
deba@822:   class VectorMap : public MapRegistry::MapBase {
deba@822:   public:
deba@822: 		
deba@822:     /// The graph type of the maps. 
deba@822:     typedef typename MapRegistry::Graph Graph;
deba@822:     /// The key type of the maps.
deba@822:     typedef typename MapRegistry::KeyType KeyType;
deba@822:     /// The iterator to iterate on the keys.
deba@822:     typedef typename MapRegistry::KeyIt KeyIt;
deba@822: 
deba@822:     /// The map type.
deba@822:     typedef VectorMap Map;
deba@822:     /// The MapBase of the Map which implements the core regisitry function.
deba@822:     typedef typename MapRegistry::MapBase MapBase;
deba@822: 
deba@822:   private:
deba@822: 		
deba@822:     /// The container type of the map.
deba@822:     typedef std::vector<Value> Container;	
deba@822: 
deba@822:   public:
deba@822: 
deba@822: 
deba@822:     /// The value type of the map.
deba@822:     typedef Value ValueType;
deba@822:     /// The reference type of the map;
deba@822:     typedef typename Container::reference ReferenceType;
deba@822:     /// The pointer type of the map;
deba@822:     typedef typename Container::pointer PointerType;
deba@822: 
deba@822:     /// The const value type of the map.
deba@822:     typedef const Value ConstValueType;
deba@822:     /// The const reference type of the map;
deba@822:     typedef typename Container::const_reference ConstReferenceType;
deba@822:     /// The pointer type of the map;
deba@822:     typedef typename Container::const_pointer ConstPointerType;
deba@822: 
deba@822:     /** Default constructor for the map.
deba@822:      */
deba@822:     VectorMap() {}
deba@822: 		
deba@822:     /** Graph and Registry initialized map constructor.
deba@822:      */
deba@822:     VectorMap(const Graph& g, MapRegistry& r) : MapBase(g, r) {
deba@822:       init();
deba@822:     }
deba@822: 
deba@822:     /** Constructor to use default value to initialize the map. 
deba@822:      */
deba@822:     VectorMap(const Graph& g, MapRegistry& r, const Value& v) 
deba@822:       : MapBase(g, r) {
deba@822:       for (KeyIt it(*getGraph()); it != INVALID; ++it) {
deba@822: 	int id = getGraph()->id(it);
deba@822: 	if (id >= (int)container.size()) {
deba@822: 	  container.resize(id + 1);
deba@822: 	}
deba@822: 	set(it, v);
deba@822:       }
deba@822:     }
deba@822: 
deba@822:     /** Constructor to copy a map of an other map type.
deba@822:      */
deba@822:     template <typename CMap> VectorMap(const CMap& copy) : MapBase(copy) {
deba@822:       if (getGraph()) {
deba@822: 	for (KeyIt it(*getGraph()); it != INVALID; ++it) {
deba@822: 	  int id = getGraph()->id(it);
deba@822: 	  if (id >= (int)container.size()) {
deba@822: 	    container.resize(id + 1);
deba@822: 	  }
deba@822: 	  set(it, copy[it]);
deba@822: 	}
deba@822:       }
deba@822:     }
deba@822: 
deba@822:     /** Assign operator to copy a map an other map type.
deba@822:      */
deba@822:     template <typename CMap> VectorMap& operator=(const CMap& copy) {
deba@822:       if (getGraph()) {
deba@822: 	destroy();
deba@822:       } 
deba@822:       this->MapBase::operator=(copy);
deba@822:       if (getGraph()) {
deba@822: 	for (KeyIt it(*getGraph()); it != INVALID; ++it) {
deba@822: 	  int id = getGraph()->id(it);
deba@822: 	  if (id >= (int)container.size()) {
deba@822: 	    container.resize(id + 1);
deba@822: 	  }
deba@822: 	  set(it, copy[it]);
deba@822: 	}
deba@822:       }
deba@822:       return *this;
deba@822:     }
deba@822: 
deba@822:     /** The destructor of the map.
deba@822:      */
deba@822:     virtual ~VectorMap() {
deba@822:     }
deba@822: 		
deba@822:     /**
deba@822:      * The subscript operator. The map can be subscripted by the
deba@822:      * actual keys of the graph. 
deba@822:      */
deba@822:     ReferenceType operator[](const KeyType& key) {
deba@822:       int id = getGraph()->id(key);
deba@822:       return container[id];
deba@822:     } 
deba@822: 		
deba@822:     /**
deba@822:      * The const subscript operator. The map can be subscripted by the
deba@822:      * actual keys of the graph. 
deba@822:      */
deba@822:     ConstReferenceType operator[](const KeyType& key) const {
deba@822:       int id = getGraph()->id(key);
deba@822:       return container[id];
deba@822:     }
deba@822: 
deba@822:     /** Setter function of the map. Equivalent with map[key] = val.
deba@822:      *  This is a compatibility feature with the not dereferable maps.
deba@822:      */
deba@822:     void set(const KeyType& key, const ValueType& val) {
deba@822:       int id = getGraph()->id(key);
deba@822:       container[id] = val;
deba@822:     }
deba@822: 		
deba@822:     /** Add a new key to the map. It called by the map registry.
deba@822:      */
deba@822:     void add(const KeyType& key) {
deba@822:       int id = getGraph()->id(key);
deba@822:       if (id >= (int)container.size()) {
deba@822: 	container.resize(id + 1);
deba@822:       }
deba@822:     }
deba@822: 		
deba@822:     /** Erase a key from the map. It called by the map registry.
deba@822:      */
deba@822:     void erase(const KeyType& key) {}
deba@822: 
deba@822:     /** Clear the data structure.
deba@822:      */
deba@822:     void clear() { 
deba@822:       container.clear();
deba@822:     }
deba@822: 
deba@822:     /// The stl compatible pair iterator of the map.
deba@822:     typedef MapIterator<VectorMap> Iterator;
deba@822:     /// The stl compatible const pair iterator of the map.
deba@822:     typedef MapConstIterator<VectorMap> ConstIterator;
deba@822: 
deba@822:     /** Returns the begin iterator of the map.
deba@822:      */
deba@822:     Iterator begin() {
deba@822:       return Iterator(*this, KeyIt(*MapBase::getGraph()));
deba@822:     }
deba@822: 
deba@822:     /** Returns the end iterator of the map.
deba@822:      */
deba@822:     Iterator end() {
deba@822:       return Iterator(*this, INVALID);
deba@822:     }
deba@822: 
deba@822:     /** Returns the begin ConstIterator of the map.
deba@822:      */
deba@822:     ConstIterator begin() const {
deba@822:       return ConstIterator(*this, KeyIt(*MapBase::getGraph()));
deba@822:     }
deba@822: 
deba@822:     /** Returns the end const_iterator of the map.
deba@822:      */
deba@822:     ConstIterator end() const {
deba@822:       return ConstIterator(*this, INVALID);
deba@822:     }
deba@822: 
deba@830:     /// The KeySet of the Map.
deba@830:     typedef MapConstKeySet<VectorMap> ConstKeySet;
deba@830: 
deba@830:     /// KeySet getter function.
deba@830:     ConstKeySet keySet() const {
deba@830:       return ConstKeySet(*this); 
deba@830:     }
deba@830: 
deba@830:     /// The ConstValueSet of the Map.
deba@830:     typedef MapConstValueSet<VectorMap> ConstValueSet;
deba@830: 
deba@830:     /// ConstValueSet getter function.
deba@830:     ConstValueSet valueSet() const {
deba@830:       return ConstValueSet(*this);
deba@830:     }
deba@830: 
deba@830:     /// The ValueSet of the Map.
deba@830:     typedef MapValueSet<VectorMap> ValueSet;
deba@830: 
deba@830:     /// ValueSet getter function.
deba@830:     ValueSet valueSet() {
deba@830:       return ValueSet(*this);
deba@830:     }
deba@830: 
deba@830: 
deba@822:   private:
deba@822: 		
deba@822:     Container container;
deba@822: 
deba@822: 		
deba@822:   };
deba@822:   
deba@822:   /// @}
deba@822:   
deba@822: }
deba@822: 
deba@822: #endif