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/*
* Copyright (c) 2004 Adrian Page <adrian@pagenet.plus.com>
*
* 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef KIS_SHARED_PTR_VECTOR_H
#define KIS_SHARED_PTR_VECTOR_H
#include <tqvaluevector.h>
#include <ksharedptr.h>
/**
* TQValueVector does not always destroy an element when it is erased.
* If the items it is holding are KSharedPtr, this can result in hidden
* references to objects that cannot be accounted for. This class
* sets the KSharedPtr to 0 on erase, which dereferences the object as
* expected.
*/
template <class T>
class KisSharedPtrVector : public TQValueVector< KSharedPtr<T> >
{
typedef TQValueVector< KSharedPtr<T> > super;
public:
KisSharedPtrVector() {}
void pop_back()
{
if (!super::empty()) {
super::back() = 0;
super::pop_back();
}
}
typename super::iterator erase(typename super::iterator it)
{
*it = 0;
return super::erase(it);
}
typename super::iterator erase(typename super::iterator first, typename super::iterator last)
{
tqFill(first, last, 0);
return super::erase(first, last);
}
bool contains(KSharedPtr<T> ptr) const
{
for (int i = 0, n = super::count(); i < n; ++i)
if (super::at(i) == ptr)
return true;
return false;
}
};
#endif // KIS_SHARED_PTR_VECTOR_H
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