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authorAaron Kennedy <aaron.kennedy@nokia.com>2009-09-23 12:29:56 (GMT)
committerAaron Kennedy <aaron.kennedy@nokia.com>2009-09-23 12:29:56 (GMT)
commitb0bc605e2ede4466aabf5b5da040e5801dbf9156 (patch)
tree4db2a40ca239bbde9df52580064a9a6c2db921e6 /src/declarative/qml/qbitfield_p.h
parent3baf0c6d7d8098c6226c0ffade2b6740b0bc96cc (diff)
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Make more qmlecmascript tests pass
Test cases constantsOverrideBindings, outerBindingOverridesInnerBinding and aliasPropertyAndBinding now pass.
Diffstat (limited to 'src/declarative/qml/qbitfield_p.h')
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diff --git a/src/declarative/qml/qbitfield_p.h b/src/declarative/qml/qbitfield_p.h
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtDeclarative module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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 + 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 + 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