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2 * VCGLib                                                            o o     *
3 * Visual and Computer Graphics Library                            o     o   *
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5 * Copyright(C) 2004-2016                                           \/)\/    *
6 * Visual Computing Lab                                            /\/|      *
7 * ISTI - Italian National Research Council                           |      *
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22 ****************************************************************************/
23 
24 #ifndef __VCGLIB_ENTRIES__
25 #define __VCGLIB_ENTRIES__
26 
27 
28 namespace vcg {
29 
30 // EntryCATBase: base class for the entry of the allocation table
31 // templated over the container type
32 template <class STL_CONT>
33 class EntryCATBase{
34 public:
EntryCATBase(STL_CONT & _c)35 EntryCATBase(STL_CONT & _c):c(_c){};
36 typename STL_CONT::value_type * Start() const;
Empty()37 virtual bool Empty(){return true;};
38 const STL_CONT *  C();
Push_back(const int &)39 virtual void Push_back(const int &){};
40 
Reserve(const int & s)41 virtual void Reserve(const int & s){};
Resize(const int & s)42 virtual void Resize(const int & s){};
43 
44 const bool operator < (const EntryCATBase<STL_CONT> & other) const;
45 
46 private:
47 	STL_CONT & c;
48 };
49 
50 //EntryCAT: entry for the case of optional core types (matches with CAT)
51 template <class STL_CONT,class ATTR_TYPE >
52 struct EntryCAT: public EntryCATBase<STL_CONT>{
53 typedef ATTR_TYPE attr_type;
EntryCATEntryCAT54 EntryCAT(STL_CONT & _c) : EntryCATBase<STL_CONT>(_c){};
DataEntryCAT55 std::vector<ATTR_TYPE> & Data(){return data;}
Push_backEntryCAT56 void Push_back(const int & n){ for(int i = 0; i < n ; ++i) data.push_back(ATTR_TYPE());}
ReserveEntryCAT57 virtual void Reserve(const int & s){data.reserve(s);};
ResizeEntryCAT58 virtual void Resize(const int & s){data.resize(s);};
59 
60 
61 private:
62 std::vector<ATTR_TYPE> data;
63 };
64 
65 //----------------------EntryCAT: implementation ----------------------------------------
66 template <class STL_CONT>
67 const bool EntryCATBase<STL_CONT>:: operator < (const EntryCATBase<STL_CONT> & other) const{
68 	return (Start() < other.Start());
69 }
70 
71 template <class STL_CONT>
Start()72  typename STL_CONT::value_type  * EntryCATBase<STL_CONT>::Start()const {
73 	return  c.Pointer2begin();
74 	}
75 
76 template <class STL_CONT>
C()77 	const STL_CONT * EntryCATBase<STL_CONT>::C(){
78 	return &c;
79 	}
80 
81 
82 
83 }; // end namespace vcg
84 
85 #endif
86