Changeset - r79:d73c2e8b25cb
« 76:fc178a
80:15968e »
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kpeter (Peter Kovacs)
kpeter@inf.elte.hu
More exact concept checking for map concepts.
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1 file changed with 34 insertions and 31 deletions:
lemon/concepts/maps.h
34
31
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lemon/concepts/maps.h
Show white space 12 line context
... ... 
@@ -43,34 +43,34 @@
43 43 
    public:
44 44 
      /// The key type of the map.
45 45 
      typedef K Key;
46 46 
      /// The value type of the map. (The type of objects associated with the keys).
47 47 
      typedef T Value;
48 48 

			




	49
	
	
		
      /// Returns the value associated with a key.


			




	
	49
	
		
      /// Returns the value associated with the given key.


			




	50
	50
	
		

			




	51
	
	
		
      /// Returns the value associated with a key.


			




	
	51
	
		
      /// Returns the value associated with the given key.


			




	52
	52
	
		
      /// \bug Value shouldn't need to be default constructible.


			




	53
	
	
		
      ///


			




	54
	53
	
		
      Value operator[](const Key &) const {return Value();}


			




	55
	54
	
		

			




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      template<typename _ReadMap>


			




	57
	56
	
		
      struct Constraints {


			




	58
	57
	
		
	void constraints() {


			




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	  Value val = m[key];


			




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	59
	
		
	  val = m[key];


			




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	  typename _ReadMap::Value own_val = m[own_key]; 


			




	62
	61
	
		
	  own_val = m[own_key]; 


			




	63
	62
	
		

			




	
	63
	
		
	  ignore_unused_variable_warning(key);


			




	64
	64
	
		
	  ignore_unused_variable_warning(val);


			




	
	65
	
		
	  ignore_unused_variable_warning(own_key);


			




	65
	66
	
		
	  ignore_unused_variable_warning(own_val);


			




	66
	
	
		
	  ignore_unused_variable_warning(key);


			




	67
	67
	
		
	}


			




	68
	
	
		
	Key& key;


			




	69
	
	
		
	typename _ReadMap::Key& own_key;


			




	70
	
	
		
	_ReadMap& m;


			




	
	68
	
		
	const Key& key;


			




	
	69
	
		
	const typename _ReadMap::Key& own_key;


			




	
	70
	
		
	const _ReadMap& m;


			




	71
	71
	
		
      };


			




	72
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	73
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    };


			




	74
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	75
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	76
	76
	
		
    /// Writable map concept


			




	...
	...
	
		
@@ -83,36 +83,34 @@


			




	83
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    public:


			




	84
	84
	
		
      /// The key type of the map.


			




	85
	85
	
		
      typedef K Key;    


			




	86
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      /// The value type of the map. (The type of objects associated with the keys).


			




	87
	87
	
		
      typedef T Value;


			




	88
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	89
	
	
		
      /// Sets the value associated with a key.


			




	
	89
	
		
      /// Sets the value associated with the given key.


			




	90
	90
	
		
      void set(const Key &,const Value &) {}


			




	91
	91
	
		

			




	92
	
	
		
      ///Default constructor


			




	
	92
	
		
      /// Default constructor.


			




	93
	93
	
		
      WriteMap() {}


			




	94
	94
	
		

			




	95
	95
	
		
      template <typename _WriteMap>


			




	96
	96
	
		
      struct Constraints {


			




	97
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	void constraints() {


			




	98
	
	
		
	  // No constraints for constructor.


			




	99
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	  m.set(key, val);


			




	100
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	  m.set(own_key, own_val);


			




	
	100
	
		

			




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	  ignore_unused_variable_warning(key);


			




	102
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	  ignore_unused_variable_warning(val);


			




	103
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	  ignore_unused_variable_warning(own_key);


			




	104
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	  ignore_unused_variable_warning(own_val);


			




	105
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	}


			




	106
	
	
		

			




	107
	
	
		
	Value& val;


			




	108
	
	
		
	typename _WriteMap::Value own_val;


			




	109
	
	
		
	Key& key;


			




	110
	
	
		
	typename _WriteMap::Key& own_key;


			




	
	106
	
		
	const Key& key;


			




	
	107
	
		
	const Value& val;


			




	
	108
	
		
	const typename _WriteMap::Key& own_key;


			




	
	109
	
		
	const typename _WriteMap::Value own_val;


			




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	_WriteMap& m;


			




	112
	
	
		

			




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      };


			




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    };


			




	115
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	116
	114
	
		
    /// Read/writable map concept


			




	117
	115
	
		
    


			




	118
	116
	
		
    /// Read/writable map concept.


			




	...
	...
	
		
@@ -124,15 +122,16 @@


			




	124
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    public:


			




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	123
	
		
      /// The key type of the map.


			




	126
	124
	
		
      typedef K Key;    


			




	127
	125
	
		
      /// The value type of the map. (The type of objects associated with the keys).


			




	128
	126
	
		
      typedef T Value;


			




	129
	127
	
		

			




	130
	
	
		
      /// Returns the value associated with a key.


			




	
	128
	
		
      /// Returns the value associated with the given key.


			




	131
	129
	
		
      Value operator[](const Key &) const {return Value();}


			




	132
	
	
		
      /// Sets the value associated with a key.


			




	
	130
	
		

			




	
	131
	
		
      /// Sets the value associated with the given key.


			




	133
	132
	
		
      void set(const Key & ,const Value &) {}


			




	134
	133
	
		

			




	135
	134
	
		
      template<typename _ReadWriteMap>


			




	136
	135
	
		
      struct Constraints {


			




	137
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	void constraints() {


			




	138
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	  checkConcept<ReadMap<K, T>, _ReadWriteMap >();


			




	...
	...
	
		
@@ -143,13 +142,12 @@


			




	143
	142
	
		
  


			




	144
	143
	
		
  


			




	145
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    /// Dereferable map concept


			




	146
	145
	
		
    


			




	147
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    /// Dereferable map concept.


			




	148
	147
	
		
    ///


			




	149
	
	
		
    /// \todo Rethink this concept.


			




	150
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    template<typename K, typename T, typename R, typename CR>


			




	151
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    class ReferenceMap : public ReadWriteMap<K,T>


			




	152
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    {


			




	153
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    public:


			




	154
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      /// Tag for reference maps.


			




	155
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      typedef True ReferenceMapTag;


			




	...
	...
	
		
@@ -163,39 +161,44 @@


			




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      typedef CR ConstReference;


			




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    protected:


			




	166
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      Value tmp;


			




	167
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    public:


			




	168
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	169
	
	
		
      ///Returns a reference to the value associated with a key.


			




	
	167
	
		
      /// Returns a reference to the value associated with the given key.


			




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      Reference operator[](const Key &) { return tmp; }


			




	171
	
	
		
      ///Returns a const reference to the value associated with a key.


			




	
	169
	
		

			




	
	170
	
		
      /// Returns a const reference to the value associated with the given key.


			




	172
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      ConstReference operator[](const Key &) const { return tmp; }


			




	173
	
	
		
      /// Sets the value associated with a key.


			




	
	172
	
		

			




	
	173
	
		
      /// Sets the value associated with the given key.


			




	174
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      void set(const Key &k,const Value &t) { operator[](k)=t; }


			




	175
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	176
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      template<typename _ReferenceMap>


			




	177
	177
	
		
      struct Constraints {


			




	178
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	void constraints() {


			




	179
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	  checkConcept<ReadWriteMap<K, T>, _ReferenceMap >();


			




	
	180
	
		
	  ref = m[key];


			




	180
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	  m[key] = val;


			




	181
	
	
		
	  val  = m[key];


			




	182
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	  m[key] = ref;


			




	183
	
	
		
	  ref = m[key];


			




	
	183
	
		
	  m[key] = cref;


			




	
	184
	
		
	  own_ref = m[own_key];


			




	184
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	  m[own_key] = own_val;


			




	185
	
	
		
	  own_val  = m[own_key];


			




	186
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	  m[own_key] = own_ref;


			




	187
	
	
		
	  own_ref = m[own_key];	  	  


			




	
	187
	
		
	  m[own_key] = own_cref;


			




	
	188
	
		
	  m[key] = m[own_key];


			




	
	189
	
		
	  m[own_key] = m[key];


			




	188
	190
	
		
	}


			




	189
	
	
		

			




	190
	
	
		
	typename _ReferenceMap::Key& own_key;


			




	
	191
	
		
	const Key& key;


			




	
	192
	
		
	Value& val;


			




	
	193
	
		
	Reference ref;


			




	
	194
	
		
	ConstReference cref;


			




	
	195
	
		
	const typename _ReferenceMap::Key& own_key;


			




	191
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	typename _ReferenceMap::Value& own_val;


			




	192
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	typename _ReferenceMap::Reference own_ref;


			




	193
	
	
		
	Key& key;


			




	194
	
	
		
	Value& val;


			




	195
	
	
		
	Reference ref;


			




	
	198
	
		
	typename _ReferenceMap::ConstReference own_cref;


			




	196
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	_ReferenceMap& m;


			




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      };


			




	198
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    };


			




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	200
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    // @}


			




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