diff options
Diffstat (limited to 'src/qml/qml/ftw/qbitfield_p.h')
| -rw-r--r-- | src/qml/qml/ftw/qbitfield_p.h | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/src/qml/qml/ftw/qbitfield_p.h b/src/qml/qml/ftw/qbitfield_p.h deleted file mode 100644 index 92017580d6..0000000000 --- a/src/qml/qml/ftw/qbitfield_p.h +++ /dev/null @@ -1,167 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtQml module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#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> -#include <QtCore/qtypeinfo.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(nullptr), data(nullptr) -{ -} - -QBitField::QBitField(const quint32 *bitData, int bitCount) -: bits((quint32)bitCount), ownData(nullptr), 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; - quint32 *rvdata; - rv.data = rvdata = rv.ownData + 1; - if (bits > o.bits) { - ::memcpy(rvdata, data, length * sizeof(quint32)); - for (quint32 ii = 0; ii < (o.bits + quint32(31)) / 32; ++ii) - (rvdata)[ii] |= o.data[ii]; - } else { - ::memcpy(rvdata, o.data, length * sizeof(quint32)); - for (quint32 ii = 0; ii < (bits + quint32(31)) / 32; ++ii) - (rvdata)[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; - } -} - -Q_DECLARE_TYPEINFO(QBitField, Q_MOVABLE_TYPE); - -QT_END_NAMESPACE - -#endif // QBITFIELD_P_H |