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Diffstat (limited to 'src/plugins/platforms/windows/array.h')
-rw-r--r-- | src/plugins/platforms/windows/array.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/src/plugins/platforms/windows/array.h b/src/plugins/platforms/windows/array.h new file mode 100644 index 0000000000..216f1e8945 --- /dev/null +++ b/src/plugins/platforms/windows/array.h @@ -0,0 +1,103 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (info@qt.nokia.com) +** +** This file is part of the plugins of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef ARRAY_H +#define ARRAY_H + +#include <QtCore/QtAlgorithms> + +QT_BEGIN_NAMESPACE + +/* A simple, non-shared array. */ + +template <class T> +class Array +{ + Q_DISABLE_COPY(Array) +public: + enum { initialSize = 5 }; + + typedef T* const_iterator; + + explicit Array(size_t size= 0) : data(0), m_capacity(0), m_size(0) + { if (size) resize(size); } + ~Array() { delete [] data; } + + T *data; + inline size_t size() const { return m_size; } + inline const_iterator begin() const { return data; } + inline const_iterator end() const { return data + m_size; } + + inline void append(const T &value) + { + const size_t oldSize = m_size; + resize(m_size + 1); + data[oldSize] = value; + } + + inline void resize(size_t size) + { + if (size > m_size) + reserve(size > 1 ? size + size / 2 : size_t(initialSize)); + m_size = size; + } + + void reserve(size_t capacity) + { + if (capacity > m_capacity) { + const T *oldData = data; + data = new T[capacity]; + if (oldData) { + qCopy(oldData, oldData + m_size, data); + delete [] oldData; + } + m_capacity = capacity; + } + } + +private: + size_t m_capacity; + size_t m_size; +}; + +QT_END_NAMESPACE + +#endif // ARRAY_H |