152 lines
5.7 KiB
C++
152 lines
5.7 KiB
C++
/****************************************************************************
|
|
* VCGLib o o *
|
|
* Visual and Computer Graphics Library o o *
|
|
* _ O _ *
|
|
* Copyright(C) 2004 \/)\/ *
|
|
* 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>
|
|
struct EntryCATBase{
|
|
|
|
EntryCATBase(STL_CONT & _c):c(_c){};
|
|
STL_CONT::value_type * Start() const;
|
|
virtual bool Empty(){};
|
|
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>
|
|
STL_CONT::value_type * EntryCATBase<STL_CONT>::Start()const {
|
|
return &(*(c.begin()));
|
|
}
|
|
|
|
template <class STL_CONT>
|
|
const STL_CONT * EntryCATBase<STL_CONT>::C(){
|
|
return &c;
|
|
}
|
|
|
|
|
|
|
|
// -----------------------------------------------------------------------------------------
|
|
// WrapBase: used to implement a list of pointers to std::vector of different types
|
|
// Wrap: derived from WrapBase (to take the function and from std::vector)
|
|
struct WrapBase{
|
|
virtual void Push_back(const int & n)=0;
|
|
virtual void Reserve(const int & n)=0;
|
|
virtual void Resize(const int & n)=0;
|
|
};
|
|
// (note) double hineritance is not necessary, just handy
|
|
template <class ATTR_TYPE>
|
|
struct Wrap: public WrapBase,std::vector<ATTR_TYPE>{
|
|
virtual void Push_back(const int & n){for (int i = 0 ; i < n; ++i) push_back( ATTR_TYPE());}
|
|
virtual void Reserve(const int & n){reserve(n);}
|
|
virtual void Resize(const int & n){resize(n);}
|
|
};
|
|
//-------------------------------------------------------------------------------------------
|
|
|
|
// -----------------------------------------------------------------------------------------
|
|
// EntryCATMulti: entry type for multiple user data
|
|
template <class STL_CONT>
|
|
struct EntryCATMulti: public EntryCATBase<STL_CONT>{
|
|
|
|
EntryCATMulti(STL_CONT & _c) : EntryCATBase<STL_CONT>(_c){};
|
|
std::list<WrapBase * > & Data(){return data;}
|
|
void push_back(const int & n ){
|
|
std::list< void * >::iterator ite;
|
|
for(ite = data.begin(); ite != data.end(); ++ite)
|
|
(*ite)->Push_back(n);
|
|
}
|
|
virtual bool Empty(){return data.empty();};
|
|
|
|
virtual void Reserve(const int & n){
|
|
std::list<WrapBase * >::iterator ite;
|
|
for(ite = data.begin(); ite != data.end(); ++ite)
|
|
(*ite)->Reserve(n);
|
|
};
|
|
virtual void Resize(const int & n){
|
|
std::list<WrapBase * >::iterator ite;
|
|
for(ite = data.begin(); ite != data.end(); ++ite)
|
|
(*ite)->Resize(n);
|
|
};
|
|
|
|
private:
|
|
std::list< WrapBase * > data;
|
|
};
|
|
//----------------------------------------------------------------------------------
|
|
|
|
|
|
//----------------------------------------------------------------------------------
|
|
// TempData implements a handle to one of the vector od data stored in EntryCATMulti
|
|
template <class STL_CONT, class ATTR_TYPE>
|
|
class TempData{
|
|
public:
|
|
TempData(std::vector<ATTR_TYPE> *d):item(d){};
|
|
typedef typename ATTR_TYPE attr_type;
|
|
|
|
std::vector<ATTR_TYPE> * Item(){return item;};
|
|
std::vector<ATTR_TYPE> * item;
|
|
ATTR_TYPE & operator [](STL_CONT::value_type * v)
|
|
{
|
|
int pos = CATEntry<STL_CONT, EntryCATMulti<STL_CONT> >::Ord(v);
|
|
return (*item)[pos];
|
|
}
|
|
};
|
|
//----------------------------------------------------------------------------------
|
|
|
|
|
|
}; // end namespace vcg
|
|
|
|
#endif |