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61 lines
1.7 KiB
61 lines
1.7 KiB
/* |
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This source file is part of Konsole, a terminal emulator. |
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Copyright 2006-2008 by Robert Knight <robertknight@gmail.com> |
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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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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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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 |
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02110-1301 USA. |
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*/ |
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#ifndef POPSTACKONEXIT_H |
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#define POPSTACKONEXIT_H |
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#include <QStack> |
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namespace Konsole |
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{ |
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/** |
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* PopStackOnExit is a utility to remove all values from a QStack which are added during |
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* the lifetime of a PopStackOnExit instance. |
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* |
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* When a PopStackOnExit instance is destroyed, elements are removed from the stack |
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* until the stack count is reduced the value when the PopStackOnExit instance was created. |
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*/ |
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template<class T> |
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class PopStackOnExit |
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{ |
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public: |
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explicit PopStackOnExit(QStack<T> &stack) |
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: _stack(stack) |
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, _count(stack.count()) |
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{ |
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} |
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~PopStackOnExit() |
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{ |
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while (_stack.count() > _count) { |
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_stack.pop(); |
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} |
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} |
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private: |
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Q_DISABLE_COPY(PopStackOnExit) |
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QStack<T> &_stack; |
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int _count; |
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}; |
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} |
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#endif
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