add vcglib

vcglib/vcg/container/entries_allocation_table.h

@@ -0,0 +1,85 @@
+/****************************************************************************
+* VCGLib                                                            o o     *
+* Visual and Computer Graphics Library                            o     o   *
+*                                                                _   O  _   *
+* Copyright(C) 2004-2016                                           \/)\/    *
+* Visual Computing Lab                                            /\/|      *
+* ISTI - Italian National Research Council                           |      *
+*                                                                    \      *
+* All rights reserved.                                                      *
+*                                                                           *
+* This program is free software; you can redistribute it and/or modify      *   
+* it under the terms of the GNU General Public License as published by      *
+* the Free Software Foundation; either version 2 of the License, or         *
+* (at your option) any later version.                                       *
+*                                                                           *
+* This program is distributed in the hope that it will be useful,           *
+* but WITHOUT ANY WARRANTY; without even the implied warranty of            *
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the             *
+* GNU General Public License (http://www.gnu.org/licenses/gpl.txt)          *
+* for more details.                                                         *
+*                                                                           *
+****************************************************************************/
+
+#ifndef __VCGLIB_ENTRIES__
+#define __VCGLIB_ENTRIES__
+
+
+namespace vcg {
+
+// EntryCATBase: base class for the entry of the allocation table
+// templated over the container type
+template <class STL_CONT>
+class EntryCATBase{
+public:
+EntryCATBase(STL_CONT & _c):c(_c){};
+typename STL_CONT::value_type * Start() const;
+virtual bool Empty(){return true;};
+const STL_CONT *  C();
+virtual void Push_back(const int &){};
+
+virtual void Reserve(const int & s){};
+virtual void Resize(const int & s){};
+
+const bool operator < (const EntryCATBase<STL_CONT> & other) const;
+
+private:
+	STL_CONT & c;
+};
+
+//EntryCAT: entry for the case of optional core types (matches with CAT)
+template <class STL_CONT,class ATTR_TYPE >
+struct EntryCAT: public EntryCATBase<STL_CONT>{
+typedef ATTR_TYPE attr_type;
+EntryCAT(STL_CONT & _c) : EntryCATBase<STL_CONT>(_c){};
+std::vector<ATTR_TYPE> & Data(){return data;}
+void Push_back(const int & n){ for(int i = 0; i < n ; ++i) data.push_back(ATTR_TYPE());}
+virtual void Reserve(const int & s){data.reserve(s);};
+virtual void Resize(const int & s){data.resize(s);};
+
+
+private:
+std::vector<ATTR_TYPE> data;
+};
+
+//----------------------EntryCAT: implementation ----------------------------------------
+template <class STL_CONT>
+const bool EntryCATBase<STL_CONT>:: operator < (const EntryCATBase<STL_CONT> & other) const{
+	return (Start() < other.Start());
+}
+
+template <class STL_CONT>
+ typename STL_CONT::value_type  * EntryCATBase<STL_CONT>::Start()const {
+	return  c.Pointer2begin();
+	}
+
+template <class STL_CONT>
+	const STL_CONT * EntryCATBase<STL_CONT>::C(){
+	return &c;
+	}
+
+
+
+}; // end namespace vcg
+
+#endif