src/include/skeletons/maps.h
changeset 282 7f85e99502db
parent 254 483ba4ffe90a
child 284 2d4684f76aac
     1.1 --- a/src/include/skeletons/maps.h	Sat Apr 03 17:26:46 2004 +0000
     1.2 +++ b/src/include/skeletons/maps.h	Sat Apr 03 18:21:25 2004 +0000
     1.3 @@ -6,79 +6,172 @@
     1.4  ///\brief Map concepts checking classes for testing and documenting.
     1.5  
     1.6  namespace hugo {
     1.7 +
     1.8 +  /// The namespace of HUGOlib concepts and concept checking classes
     1.9 +  namespace skeleton {
    1.10    
    1.11 -  ///Readable map skeleton
    1.12 -  template<typename K, typename T>
    1.13 -  class ReadMapSkeleton
    1.14 -  {
    1.15 -  public:
    1.16 -    /// Map value type.
    1.17 -    typedef T ValueType;
    1.18 -    /// Map key type.
    1.19 -    typedef K KeyType;
    1.20 +    /// Null map concept
    1.21 +    template<typename K, typename T>
    1.22 +    class NullMap
    1.23 +    {
    1.24 +    public:
    1.25 +      /// Map's key type.
    1.26 +      typedef K KeyType;    
    1.27 +      /// Map's value type. (The type of objects associated with the keys).
    1.28 +      typedef T ValueType;
    1.29  
    1.30 -    ///Default constructor.
    1.31 -    ReadMapSkeleton() {}
    1.32 +      /// Facility to define a map with an other value type
    1.33 +      template<typename T1>
    1.34 +      struct rebind {
    1.35 +	/// The type of a map with the given value type
    1.36 +	typedef NullMap<K,T1> other;
    1.37 +      };
    1.38 +
    1.39 +      NullMap() {}
    1.40 +    };
    1.41      
    1.42 -    ///Reads an element of the map.
    1.43 -    ValueType operator[](const KeyType &i) const {return ValueType();}
    1.44 -  };
    1.45 +    /// Readable map concept
    1.46 +    template<typename K, typename T>
    1.47 +    class ReadableMap : public NullMap<K,T>
    1.48 +    {
    1.49 +    public:
    1.50 +      /// Map's key type.
    1.51 +      typedef K KeyType;    
    1.52 +      /// Map's value type. (The type of objects associated with the keys).
    1.53 +      typedef T ValueType;
    1.54  
    1.55 +      /// Returns the value associated with a key.
    1.56 +      ValueType operator[](const KeyType &k) const {return ValueType();}
    1.57  
    1.58 -  ///Writeable map skeleton
    1.59 -  template<typename K, typename T>
    1.60 -  class WriteMapSkeleton 
    1.61 -  {
    1.62 -  public:
    1.63 -    /// Map value type.
    1.64 -    typedef T ValueType;
    1.65 -    /// Map key type.
    1.66 -    typedef K KeyType;
    1.67 +      /// Copy contsructor. (optional)
    1.68 +      ReadableMap(const ReadableMap&) {}
    1.69 +      /// Assignment operator. (optional)
    1.70 +      ReadableMap& operator=(const ReadableMap&) {return *this;}
    1.71  
    1.72 -    ///Default constructor.
    1.73 -    WriteMapSkeleton() {}
    1.74 -    ///'Fill with' constructor.
    1.75 -    WriteMapSkeleton(const ValueType &t) {}
    1.76 -    
    1.77 -    ///Write an element of a map.
    1.78 -    void set(const KeyType &i,const ValueType &t) {}
    1.79 -  };
    1.80 +      /// Facility to define a map with an other value type (optional)
    1.81 +      template<typename T1>
    1.82 +      struct rebind {
    1.83 +	/// The type of a map with the given value type
    1.84 +	typedef ReadableMap<K,T1> other;
    1.85 +      };
    1.86 +      /// @brief Constructor that copies all keys from the other map and
    1.87 +      /// assigns to them a default value (optional)
    1.88 +      template<typename T1>
    1.89 +      ReadableMap(const ReadableMap<K,T1> &map, const T1 &v) {}
    1.90  
    1.91 -  ///Read/Write map skeleton.
    1.92 -  template<typename K, typename T>
    1.93 -  class ReadWriteMapSkeleton : public ReadMapSkeleton<K,T>,
    1.94 -			       public WriteMapSkeleton<K,T>
    1.95 -  {
    1.96 -  public:
    1.97 -    ///Default constructor.
    1.98 -    ReadWriteMapSkeleton() : ReadMapSkeleton(), WriteMapSkeleton() {}
    1.99 -    ///'Fill with' constructor.
   1.100 -    ReadWriteMap(const ValueType &t) :ReadMapSkeleton(), WriteMapSkeleton(t) {}
   1.101 -  };
   1.102 +      ReadableMap() {}
   1.103 +    };
   1.104 +
   1.105 +
   1.106 +    /// Writable map concept
   1.107 +    template<typename K, typename T>
   1.108 +    class WritableMap : public NullMap<K,T>
   1.109 +    {
   1.110 +    public:
   1.111 +      /// Map's key type.
   1.112 +      typedef K KeyType;    
   1.113 +      /// Map's value type. (The type of objects associated with the keys).
   1.114 +      typedef T ValueType;
   1.115 +
   1.116 +      /// Sets the value associated with a key.
   1.117 +      void set(const KeyType &k,const ValueType &t) {}
   1.118 +
   1.119 +      /// Copy contsructor. (optional)
   1.120 +      WritableMap(const WritableMap&) {}
   1.121 +      /// Assignment operator. (optional)
   1.122 +      WritableMap& operator=(const WritableMap&) {return *this;}
   1.123 +
   1.124 +      /// Facility to define a map with an other value type (optional)
   1.125 +      template<typename T1>
   1.126 +      struct rebind {
   1.127 +	/// The type of a map with the given value type
   1.128 +	typedef WritableMap<K,T1> other;
   1.129 +      };
   1.130 +      /// @brief Constructor that copies all keys from the other map and
   1.131 +      /// assigns to them a default value (optional)
   1.132 +      template<typename T1>
   1.133 +      WritableMap(const WritableMap<K,T1> &map, const T1 &v) {}
   1.134 +
   1.135 +      WritableMap() {}
   1.136 +    };
   1.137 +
   1.138 +    ///Read/Writeable map concept
   1.139 +    template<typename K, typename T>
   1.140 +    class ReadWritableMap : public ReadableMap<K,T>,
   1.141 +			    public WritableMap<K,T>
   1.142 +    {
   1.143 +    public:
   1.144 +      /// Map's key type.
   1.145 +      typedef K KeyType;    
   1.146 +      /// Map's value type. (The type of objects associated with the keys).
   1.147 +      typedef T ValueType;
   1.148 +
   1.149 +      /// Returns the value associated with a key.
   1.150 +      ValueType operator[](const KeyType &k) const {return ValueType();}
   1.151 +      /// Sets the value associated with a key.
   1.152 +      void set(const KeyType &k,const ValueType &t) {}
   1.153 +
   1.154 +      /// Copy contsructor. (optional)
   1.155 +      ReadWritableMap(const ReadWritableMap&) {}
   1.156 +      /// Assignment operator. (optional)
   1.157 +      ReadWritableMap& operator=(const ReadWritableMap&) {return *this;}
   1.158 +
   1.159 +      /// Facility to define a map with an other value type (optional)
   1.160 +      template<typename T1>
   1.161 +      struct rebind {
   1.162 +	/// The type of a map with the given value type
   1.163 +	typedef ReadWritableMap<K,T1> other;
   1.164 +      };
   1.165 +      /// @brief Constructor that copies all keys from the other map and
   1.166 +      /// assigns to them a default value (optional)
   1.167 +      template<typename T1>
   1.168 +      ReadWritableMap(const ReadWritableMap<K,T1> &map, const T1 &v) {}
   1.169 +
   1.170 +      ReadWritableMap() {}
   1.171 +    };
   1.172    
   1.173    
   1.174 -  ///Dereferable map skeleton
   1.175 -  template<typename K, typename T>
   1.176 -  class MemoryMapSkeleton : public ReadWriteMapSkeleton<K,T>
   1.177 -  {
   1.178 -  public:
   1.179 -    /// Map value type.
   1.180 -    typedef T ValueType;
   1.181 -    /// Map key type.
   1.182 -    typedef K KeyType;
   1.183 +    ///Dereferable map concept
   1.184 +    template<typename K, typename T>
   1.185 +    class DereferableMap : public ReadWritableMap<K,T>
   1.186 +    {
   1.187 +    public:
   1.188 +      /// Map's key type.
   1.189 +      typedef K KeyType;    
   1.190 +      /// Map's value type. (The type of objects associated with the keys).
   1.191 +      typedef T ValueType;
   1.192 +      /// Map's reference type. (Reference to an object associated with a key)
   1.193 +      typedef ValueType& ReferenceType;
   1.194 +      /// Map's const reference type.
   1.195 +      typedef const ValueType& ConstReferenceType;
   1.196  
   1.197 -    ///Default constructor.
   1.198 -    ReferenceMapSkeleton() : ReadWriteMapSkeleton() {}
   1.199 -    ///'Fill with' constructor.
   1.200 -    ReferenceMapSkeleton(const ValueType &t) : ReadWriteMapSkeleton(t) {}    
   1.201 +      ///Returns a reference to the value associated to a key.
   1.202 +      ReferenceType operator[](const KeyType &i);
   1.203 +      ///Returns a const reference to the value associated to a key.
   1.204 +      ConstReferenceType operator[](const KeyType &i) const;
   1.205 +      /// Sets the value associated with a key.
   1.206 +      void set(const KeyType &k,const ValueType &t) { operator[](k)=t; }
   1.207  
   1.208 -    ///Give a reference to the value belonging to a key.
   1.209 -    ValueType &operator[](const KeyType &i) {return *(ValueType*)0;} 
   1.210 -    ///Give a const reference to the value belonging to a key.
   1.211 -    const ValueType &operator[](const KeyType &i) const {return *(T*)0;}
   1.212 -  };
   1.213 +      /// Copy contsructor. (optional)
   1.214 +      DereferableMap(const DereferableMap&) {}
   1.215 +      /// Assignment operator. (optional)
   1.216 +      DereferableMap& operator=(const DereferableMap&) {return *this;}
   1.217  
   1.218 +      /// Facility to define a map with an other value type (optional)
   1.219 +      template<typename T1>
   1.220 +      struct rebind {
   1.221 +	/// The type of a map with the given value type
   1.222 +	typedef DereferableMap<K,T1> other;
   1.223 +      };
   1.224 +      /// @brief Constructor that copies all keys from the other map and
   1.225 +      /// assigns to them a default value (optional)
   1.226 +      template<typename T1>
   1.227 +      DereferableMap(const DereferableMap<K,T1> &map, const T1 &v) {}
   1.228  
   1.229 +      DereferableMap() {}
   1.230 +    };
   1.231  
   1.232 +
   1.233 +  }
   1.234  }
   1.235  #endif // HUGO_MAPSKELETON_H