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Diffstat (limited to 'src/declarative/qml/ftw/qbitfield_p.h')
| -rw-r--r-- | src/declarative/qml/ftw/qbitfield_p.h | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/src/declarative/qml/ftw/qbitfield_p.h b/src/declarative/qml/ftw/qbitfield_p.h deleted file mode 100644 index addd21c96d..0000000000 --- a/src/declarative/qml/ftw/qbitfield_p.h +++ /dev/null @@ -1,165 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/ -** -** This file is part of the QtDeclarative module 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 QBITFIELD_P_H -#define QBITFIELD_P_H - -// -// W A R N I N G -// ------------- -// -// This file is not part of the Qt API. It exists purely as an -// implementation detail. This header file may change from version to -// version without notice, or even be removed. -// -// We mean it. -// - -#include <QtCore/qglobal.h> - -QT_BEGIN_NAMESPACE - -class QBitField -{ -public: - inline QBitField(); - inline QBitField(const quint32 *, int bits); - inline QBitField(const QBitField &); - inline ~QBitField(); - - inline QBitField &operator=(const QBitField &); - - inline quint32 size() const; - inline QBitField united(const QBitField &); - inline bool testBit(int) const; - -private: - quint32 bits:31; - quint32 *ownData; - const quint32 *data; -}; - -QBitField::QBitField() -: bits(0), ownData(0), data(0) -{ -} - -QBitField::QBitField(const quint32 *bitData, int bitCount) -: bits((quint32)bitCount), ownData(0), data(bitData) -{ -} - -QBitField::QBitField(const QBitField &other) -: bits(other.bits), ownData(other.ownData), data(other.data) -{ - if (ownData) - ++(*ownData); -} - -QBitField::~QBitField() -{ - if (ownData) - if(0 == --(*ownData)) delete [] ownData; -} - -QBitField &QBitField::operator=(const QBitField &other) -{ - if (other.data == data) - return *this; - - if (ownData) - if(0 == --(*ownData)) delete [] ownData; - - bits = other.bits; - ownData = other.ownData; - data = other.data; - - if (ownData) - ++(*ownData); - - return *this; -} - -inline quint32 QBitField::size() const -{ - return bits; -} - -QBitField QBitField::united(const QBitField &o) -{ - if (o.bits == 0) { - return *this; - } else if (bits == 0) { - return o; - } else { - int max = (bits > o.bits)?bits:o.bits; - int length = (max + 31) / 32; - QBitField rv; - rv.bits = max; - rv.ownData = new quint32[length + 1]; - *(rv.ownData) = 1; - rv.data = rv.ownData + 1; - if (bits > o.bits) { - ::memcpy((quint32 *)rv.data, data, length * sizeof(quint32)); - for (quint32 ii = 0; ii < (o.bits + quint32(31)) / 32; ++ii) - ((quint32 *)rv.data)[ii] |= o.data[ii]; - } else { - ::memcpy((quint32 *)rv.data, o.data, length * sizeof(quint32)); - for (quint32 ii = 0; ii < (bits + quint32(31)) / 32; ++ii) - ((quint32 *)rv.data)[ii] |= data[ii]; - } - return rv; - } -} - -bool QBitField::testBit(int b) const -{ - Q_ASSERT(b >= 0); - if ((quint32)b < bits) { - return data[b / 32] & (1 << (b % 32)); - } else { - return false; - } -} - -QT_END_NAMESPACE - -#endif // QBITFIELD_P_H |