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