/* -*- C++ -*-

  *

  * This file is a part of LEMON, a generic C++ optimization library

  *

  * Copyright (C) 2003-2008

  * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport

  * (Egervary Research Group on Combinatorial Optimization, EGRES).

  *

  * Permission to use, modify and distribute this software is granted

  * provided that this copyright notice appears in all copies. For

  * precise terms see the accompanying LICENSE file.

  *

  * This software is provided "AS IS" with no warranty of any kind,

  * express or implied, and with no claim as to its suitability for any

  * purpose.

  *

  */

 #ifndef LEMON_BITS_DEFAULT_MAP_H

 #define LEMON_BITS_DEFAULT_MAP_H

 #include <lemon/bits/array_map.h>

 #include <lemon/bits/vector_map.h>

 #include <lemon/bits/debug_map.h>

 ///\ingroup graphbits

 ///\file

 ///\brief Graph maps that construct and destruct their elements dynamically.

 namespace lemon {

 #ifndef LEMON_USE_DEBUG_MAP

   template <typename _Graph, typename _Item, typename _Value>

   struct DefaultMapSelector {

     typedef ArrayMap<_Graph, _Item, _Value> Map;

   };

   // bool

   template <typename _Graph, typename _Item>

   struct DefaultMapSelector<_Graph, _Item, bool> {

     typedef VectorMap<_Graph, _Item, bool> Map;

   };

   // char

   template <typename _Graph, typename _Item>

   struct DefaultMapSelector<_Graph, _Item, char> {

     typedef VectorMap<_Graph, _Item, char> Map;

   };

   template <typename _Graph, typename _Item>

   struct DefaultMapSelector<_Graph, _Item, signed char> {

     typedef VectorMap<_Graph, _Item, signed char> Map;

   };

   template <typename _Graph, typename _Item>

   struct DefaultMapSelector<_Graph, _Item, unsigned char> {

     typedef VectorMap<_Graph, _Item, unsigned char> Map;

   };

   // int

   template <typename _Graph, typename _Item>

   struct DefaultMapSelector<_Graph, _Item, signed int> {

     typedef VectorMap<_Graph, _Item, signed int> Map;

   };

   template <typename _Graph, typename _Item>

   struct DefaultMapSelector<_Graph, _Item, unsigned int> {

     typedef VectorMap<_Graph, _Item, unsigned int> Map;

   };

   // short

   template <typename _Graph, typename _Item>

   struct DefaultMapSelector<_Graph, _Item, signed short> {

     typedef VectorMap<_Graph, _Item, signed short> Map;

   };

   template <typename _Graph, typename _Item>

   struct DefaultMapSelector<_Graph, _Item, unsigned short> {

     typedef VectorMap<_Graph, _Item, unsigned short> Map;

   };

   // long

   template <typename _Graph, typename _Item>

   struct DefaultMapSelector<_Graph, _Item, signed long> {

     typedef VectorMap<_Graph, _Item, signed long> Map;

   };

   template <typename _Graph, typename _Item>

   struct DefaultMapSelector<_Graph, _Item, unsigned long> {

     typedef VectorMap<_Graph, _Item, unsigned long> Map;

   };

 #if defined __GNUC__ && !defined __STRICT_ANSI__

   // long long

   template <typename _Graph, typename _Item>

   struct DefaultMapSelector<_Graph, _Item, signed long long> {

     typedef VectorMap<_Graph, _Item, signed long long> Map;

   };

   template <typename _Graph, typename _Item>

   struct DefaultMapSelector<_Graph, _Item, unsigned long long> {

     typedef VectorMap<_Graph, _Item, unsigned long long> Map;

   };

 #endif

   // float

   template <typename _Graph, typename _Item>

   struct DefaultMapSelector<_Graph, _Item, float> {

     typedef VectorMap<_Graph, _Item, float> Map;

   };

   // double

   template <typename _Graph, typename _Item>

   struct DefaultMapSelector<_Graph, _Item, double> {

     typedef VectorMap<_Graph, _Item,  double> Map;

   };

   // long double

   template <typename _Graph, typename _Item>

   struct DefaultMapSelector<_Graph, _Item, long double> {

     typedef VectorMap<_Graph, _Item, long double> Map;

   };

   // pointer

   template <typename _Graph, typename _Item, typename _Ptr>

   struct DefaultMapSelector<_Graph, _Item, _Ptr*> {

     typedef VectorMap<_Graph, _Item, _Ptr*> Map;

   };

 #else 

   template <typename _Graph, typename _Item, typename _Value>

   struct DefaultMapSelector {

     typedef DebugMap<_Graph, _Item, _Value> Map;

   };

 #endif  

   /// \e

   template <typename _Graph, typename _Item, typename _Value>

   class DefaultMap 

     : public DefaultMapSelector<_Graph, _Item, _Value>::Map {

   public:

     typedef typename DefaultMapSelector<_Graph, _Item, _Value>::Map Parent;

     typedef DefaultMap<_Graph, _Item, _Value> Map;

     typedef typename Parent::Graph Graph;

     typedef typename Parent::Value Value;

     explicit DefaultMap(const Graph& graph) : Parent(graph) {}

     DefaultMap(const Graph& graph, const Value& value) 

       : Parent(graph, value) {}

     DefaultMap& operator=(const DefaultMap& cmap) {

       return operator=<DefaultMap>(cmap);

     }

     template <typename CMap>

     DefaultMap& operator=(const CMap& cmap) {

       Parent::operator=(cmap);

       return *this;

     }

   };

 }

 #endif