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//##########################################################################
//# #
//# CCLIB #
//# #
//# This program is free software; you can redistribute it and/or modify #
//# it under the terms of the GNU Library General Public License as #
//# published by the Free Software Foundation; version 2 or later of the #
//# License. #
//# #
//# 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 for more details. #
//# #
//# COPYRIGHT: EDF R&D / TELECOM ParisTech (ENST-TSI) #
//# #
//##########################################################################
#ifndef CC_GARBAGE_HEADER
#define CC_GARBAGE_HEADER
//local
#include "ScalarField.h"
//STL
#include <unordered_set>
//! Garbage container (automatically deletes pointers when destroyed)
template<typename C> class Garbage
{
public:
//! Puts an item in the trash
inline void add(C* item)
{
try
{
m_items.insert(item);
}
catch (const std::bad_alloc&)
{
//what can we do?!
}
}
//! Removes an item from the trash
/** \warning The item won't be destroyed!
**/
inline void remove(C* item)
{
m_items.erase(item);
}
//! To manually delete an item already in the trash
inline void destroy(C* item)
{
m_items.erase(item);
delete item;
}
//! Destructor
/** Automatically deletes all items
**/
~Garbage()
{
//dispose of left over
for (auto it = m_items.begin(); it != m_items.end(); ++it)
delete *it;
m_items.clear();
}
//! Items to delete
std::unordered_set<C*> m_items;
};
//! Speciailization for ScalarFields
template <> class Garbage<CCLib::ScalarField>
{
public:
//! Puts an item in the trash
inline void add(CCLib::ScalarField* item)
{
try
{
m_items.insert(item);
}
catch (const std::bad_alloc&)
{
//what can we do?!
}
}
//! Removes an item from the trash
/** \warning The item won't be destroyed!
**/
inline void remove(CCLib::ScalarField* item)
{
m_items.erase(item);
}
//! Manually deltes an item already in the trash
inline void destroy(CCLib::ScalarField* item)
{
m_items.erase(item);
item->release();
}
//! Destructor
/** Automatically deletes all items
**/
~Garbage()
{
//dispose of left over
for (auto item : m_items)
{
item->release();
}
m_items.clear();
}
//! Items to delete
std::unordered_set<CCLib::ScalarField*> m_items;
};
#endif //CC_GARBAGE_HEADER
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