86 lines
3.3 KiB
C++
86 lines
3.3 KiB
C++
/****************************************************************************
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* VCGLib o o *
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* Visual and Computer Graphics Library o o *
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* _ O _ *
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* Copyright(C) 2004-2016 \/)\/ *
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* Visual Computing Lab /\/| *
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* ISTI - Italian National Research Council | *
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* \ *
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* All rights reserved. *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License (http://www.gnu.org/licenses/gpl.txt) *
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* for more details. *
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* *
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****************************************************************************/
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#ifndef __VCGLIB_ENTRIES__
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#define __VCGLIB_ENTRIES__
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namespace vcg {
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// EntryCATBase: base class for the entry of the allocation table
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// templated over the container type
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template <class STL_CONT>
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class EntryCATBase{
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public:
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EntryCATBase(STL_CONT & _c):c(_c){};
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typename STL_CONT::value_type * Start() const;
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virtual bool Empty(){return true;};
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const STL_CONT * C();
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virtual void Push_back(const int &){};
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virtual void Reserve(const int & s){};
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virtual void Resize(const int & s){};
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const bool operator < (const EntryCATBase<STL_CONT> & other) const;
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private:
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STL_CONT & c;
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};
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//EntryCAT: entry for the case of optional core types (matches with CAT)
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template <class STL_CONT,class ATTR_TYPE >
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struct EntryCAT: public EntryCATBase<STL_CONT>{
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typedef ATTR_TYPE attr_type;
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EntryCAT(STL_CONT & _c) : EntryCATBase<STL_CONT>(_c){};
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std::vector<ATTR_TYPE> & Data(){return data;}
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void Push_back(const int & n){ for(int i = 0; i < n ; ++i) data.push_back(ATTR_TYPE());}
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virtual void Reserve(const int & s){data.reserve(s);};
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virtual void Resize(const int & s){data.resize(s);};
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private:
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std::vector<ATTR_TYPE> data;
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};
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//----------------------EntryCAT: implementation ----------------------------------------
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template <class STL_CONT>
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const bool EntryCATBase<STL_CONT>:: operator < (const EntryCATBase<STL_CONT> & other) const{
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return (Start() < other.Start());
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}
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template <class STL_CONT>
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typename STL_CONT::value_type * EntryCATBase<STL_CONT>::Start()const {
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return c.Pointer2begin();
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}
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template <class STL_CONT>
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const STL_CONT * EntryCATBase<STL_CONT>::C(){
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return &c;
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}
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}; // end namespace vcg
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#endif
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