alpar@186: // -*- c++ -*-
alpar@186: #ifndef HUGO_MAPSKELETON_H
alpar@186: #define HUGO_MAPSKELETON_H
alpar@186: 
alpar@186: namespace hugo {
alpar@186:   
alpar@186:   ///Readable map skeleton
alpar@186:   template<typename K, typename T>
alpar@186:   class ReadMapSkeleton
alpar@186:   {
alpar@186:   public:
alpar@186:     /// Map value type.
alpar@186:     typedef T ValueType;
alpar@186:     /// Map key type.
alpar@186:     typedef K KeyType;
alpar@186: 
alpar@186:     ///Default constructor.
alpar@186:     ReadMapSkeleton() {}
alpar@186:     
alpar@186:     ///Reads an element of the map.
alpar@209:     ValueType operator[](const KeyType &i) const {return ValueType();}
alpar@186:   };
alpar@186: 
alpar@186: 
alpar@186:   ///Writeable map skeleton
alpar@186:   template<typename K, typename T>
alpar@186:   class WriteMapSkeleton 
alpar@186:   {
alpar@186:   public:
alpar@186:     /// Map value type.
alpar@186:     typedef T ValueType;
alpar@186:     /// Map key type.
alpar@186:     typedef K KeyType;
alpar@186: 
alpar@186:     ///Default constructor.
alpar@186:     WriteMapSkeleton() {}
alpar@186:     ///'Fill with' constructor.
alpar@186:     WriteMapSkeleton(const ValueType &t) {}
alpar@186:     
alpar@186:     ///Write an element of a map.
alpar@186:     void set(const KeyType &i,const ValueType &t) {}
alpar@186:   };
alpar@186: 
alpar@186:   ///Read/Write map skeleton.
alpar@186:   template<typename K, typename T>
alpar@186:   class ReadWriteMapSkeleton : public ReadMapSkeleton<K,T>,
alpar@186: 			       public WriteMapSkeleton<K,T>
alpar@186:   {
alpar@186:   public:
alpar@186:     ///Default constructor.
alpar@186:     ReadWriteMapSkeleton() : ReadMapSkeleton(), WriteMapSkeleton() {}
alpar@186:     ///'Fill with' constructor.
alpar@186:     ReadWriteMap(const ValueType &t) :ReadMapSkeleton(), WriteMapSkeleton(t) {}
alpar@186:   };
alpar@186:   
alpar@186:   
alpar@186:   ///Dereferable map skeleton
alpar@186:   template<typename K, typename T>
alpar@186:   class MemoryMapSkeleton : public ReadWriteMapSkeleton<K,T>
alpar@186:   {
alpar@186:   public:
alpar@186:     /// Map value type.
alpar@186:     typedef T ValueType;
alpar@186:     /// Map key type.
alpar@186:     typedef K KeyType;
alpar@186: 
alpar@186:     ///Default constructor.
alpar@186:     ReferenceMapSkeleton() : ReadWriteMapSkeleton() {}
alpar@186:     ///'Fill with' constructor.
alpar@186:     ReferenceMapSkeleton(const ValueType &t) : ReadWriteMapSkeleton(t) {}    
alpar@186: 
alpar@186:     ///Give a reference to the value belonging to a key.
alpar@209:     ValueType &operator[](const KeyType &i) {return *(ValueType*)0;} 
alpar@209:     ///Give a const reference to the value belonging to a key.
alpar@209:     const ValueType &operator[](const KeyType &i) const {return *(T*)0;}
alpar@186:   };
alpar@186: 
alpar@186: 
alpar@186: 
alpar@186: }
alpar@186: #endif // HUGO_MAPSKELETON_H