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-/****************************************************************************
-**
-** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the QtCore module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** Commercial Usage
-** Licensees holding valid Qt Commercial licenses may use this file in
-** accordance with the Qt Commercial License Agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and Nokia.
-**
-** 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 1.1, 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.
-**
-** If you have questions regarding the use of this file, please contact
-** Nokia at qt-info@nokia.com.
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef QDATASTREAM_H
-#define QDATASTREAM_H
-
-#include <QtCore/qscopedpointer.h>
-#include <QtCore/qiodevice.h>
-#include <QtCore/qglobal.h>
-
-#ifdef Status
-#error qdatastream.h must be included before any header file that defines Status
-#endif
-
-QT_BEGIN_HEADER
-
-QT_BEGIN_NAMESPACE
-
-QT_MODULE(Core)
-
-class QByteArray;
-class QIODevice;
-
-template <typename T> class QList;
-template <typename T> class QLinkedList;
-template <typename T> class QVector;
-template <typename T> class QSet;
-template <class Key, class T> class QHash;
-template <class Key, class T> class QMap;
-
-#if !defined(QT_NO_DATASTREAM) || defined(QT_BOOTSTRAPPED)
-class QDataStreamPrivate;
-class Q_CORE_EXPORT QDataStream
-{
-public:
- enum Version {
- Qt_1_0 = 1,
- Qt_2_0 = 2,
- Qt_2_1 = 3,
- Qt_3_0 = 4,
- Qt_3_1 = 5,
- Qt_3_3 = 6,
- Qt_4_0 = 7,
- Qt_4_1 = Qt_4_0,
- Qt_4_2 = 8,
- Qt_4_3 = 9,
- Qt_4_4 = 10,
- Qt_4_5 = 11,
- Qt_4_6 = 12
-#if QT_VERSION >= 0x040700
-#error Add the datastream version for this Qt version
- Qt_4_7 = Qt_4_6
-#endif
- };
-
- enum ByteOrder {
- BigEndian = QSysInfo::BigEndian,
- LittleEndian = QSysInfo::LittleEndian
- };
-
- enum Status {
- Ok,
- ReadPastEnd,
- ReadCorruptData
- };
-
- enum FloatingPointPrecision {
- SinglePrecision,
- DoublePrecision
- };
-
- QDataStream();
- explicit QDataStream(QIODevice *);
-#ifdef QT3_SUPPORT
- QDataStream(QByteArray *, int mode);
-#endif
- QDataStream(QByteArray *, QIODevice::OpenMode flags);
- QDataStream(const QByteArray &);
- virtual ~QDataStream();
-
- QIODevice *device() const;
- void setDevice(QIODevice *);
- void unsetDevice();
-
- bool atEnd() const;
-#ifdef QT3_SUPPORT
- inline QT3_SUPPORT bool eof() const { return atEnd(); }
-#endif
-
- Status status() const;
- void setStatus(Status status);
- void resetStatus();
-
- FloatingPointPrecision floatingPointPrecision() const;
- void setFloatingPointPrecision(FloatingPointPrecision precision);
-
- ByteOrder byteOrder() const;
- void setByteOrder(ByteOrder);
-
- int version() const;
- void setVersion(int);
-
- QDataStream &operator>>(qint8 &i);
- QDataStream &operator>>(quint8 &i);
- QDataStream &operator>>(qint16 &i);
- QDataStream &operator>>(quint16 &i);
- QDataStream &operator>>(qint32 &i);
- QDataStream &operator>>(quint32 &i);
- QDataStream &operator>>(qint64 &i);
- QDataStream &operator>>(quint64 &i);
-
- QDataStream &operator>>(bool &i);
- QDataStream &operator>>(float &f);
- QDataStream &operator>>(double &f);
- QDataStream &operator>>(char *&str);
-
- QDataStream &operator<<(qint8 i);
- QDataStream &operator<<(quint8 i);
- QDataStream &operator<<(qint16 i);
- QDataStream &operator<<(quint16 i);
- QDataStream &operator<<(qint32 i);
- QDataStream &operator<<(quint32 i);
- QDataStream &operator<<(qint64 i);
- QDataStream &operator<<(quint64 i);
- QDataStream &operator<<(bool i);
- QDataStream &operator<<(float f);
- QDataStream &operator<<(double f);
- QDataStream &operator<<(const char *str);
-
- QDataStream &readBytes(char *&, uint &len);
- int readRawData(char *, int len);
-
- QDataStream &writeBytes(const char *, uint len);
- int writeRawData(const char *, int len);
-
- int skipRawData(int len);
-
-#ifdef QT3_SUPPORT
- inline QT3_SUPPORT QDataStream &readRawBytes(char *str, uint len)
- { readRawData(str, static_cast<int>(len)); return *this; }
- inline QT3_SUPPORT QDataStream &writeRawBytes(const char *str, uint len)
- { writeRawData(str, static_cast<int>(len)); return *this; }
- inline QT3_SUPPORT bool isPrintableData() const { return false; }
- inline QT3_SUPPORT void setPrintableData(bool) {}
-#endif
-
-private:
- Q_DISABLE_COPY(QDataStream)
-
- QScopedPointer<QDataStreamPrivate> d;
-
- QIODevice *dev;
- bool owndev;
- bool noswap;
- ByteOrder byteorder;
- int ver;
- Status q_status;
-};
-
-
-/*****************************************************************************
- QDataStream inline functions
- *****************************************************************************/
-
-inline QIODevice *QDataStream::device() const
-{ return dev; }
-
-inline QDataStream::ByteOrder QDataStream::byteOrder() const
-{ return byteorder; }
-
-inline int QDataStream::version() const
-{ return ver; }
-
-inline void QDataStream::setVersion(int v)
-{ ver = v; }
-
-inline QDataStream &QDataStream::operator>>(quint8 &i)
-{ return *this >> reinterpret_cast<qint8&>(i); }
-
-inline QDataStream &QDataStream::operator>>(quint16 &i)
-{ return *this >> reinterpret_cast<qint16&>(i); }
-
-inline QDataStream &QDataStream::operator>>(quint32 &i)
-{ return *this >> reinterpret_cast<qint32&>(i); }
-
-inline QDataStream &QDataStream::operator>>(quint64 &i)
-{ return *this >> reinterpret_cast<qint64&>(i); }
-
-inline QDataStream &QDataStream::operator<<(quint8 i)
-{ return *this << qint8(i); }
-
-inline QDataStream &QDataStream::operator<<(quint16 i)
-{ return *this << qint16(i); }
-
-inline QDataStream &QDataStream::operator<<(quint32 i)
-{ return *this << qint32(i); }
-
-inline QDataStream &QDataStream::operator<<(quint64 i)
-{ return *this << qint64(i); }
-
-template <typename T>
-QDataStream& operator>>(QDataStream& s, QList<T>& l)
-{
- l.clear();
- quint32 c;
- s >> c;
- for(quint32 i = 0; i < c; ++i)
- {
- T t;
- s >> t;
- l.append(t);
- if (s.atEnd())
- break;
- }
- return s;
-}
-
-template <typename T>
-QDataStream& operator<<(QDataStream& s, const QList<T>& l)
-{
- s << quint32(l.size());
- for (int i = 0; i < l.size(); ++i)
- s << l.at(i);
- return s;
-}
-
-template <typename T>
-QDataStream& operator>>(QDataStream& s, QLinkedList<T>& l)
-{
- l.clear();
- quint32 c;
- s >> c;
- for(quint32 i = 0; i < c; ++i)
- {
- T t;
- s >> t;
- l.append(t);
- if (s.atEnd())
- break;
- }
- return s;
-}
-
-template <typename T>
-QDataStream& operator<<(QDataStream& s, const QLinkedList<T>& l)
-{
- s << quint32(l.size());
- typename QLinkedList<T>::ConstIterator it = l.constBegin();
- for(; it != l.constEnd(); ++it)
- s << *it;
- return s;
-}
-
-template<typename T>
-QDataStream& operator>>(QDataStream& s, QVector<T>& v)
-{
- v.clear();
- quint32 c;
- s >> c;
- v.resize(c);
- for(quint32 i = 0; i < c; ++i) {
- T t;
- s >> t;
- v[i] = t;
- }
- return s;
-}
-
-template<typename T>
-QDataStream& operator<<(QDataStream& s, const QVector<T>& v)
-{
- s << quint32(v.size());
- for (typename QVector<T>::const_iterator it = v.begin(); it != v.end(); ++it)
- s << *it;
- return s;
-}
-
-template <typename T>
-QDataStream &operator>>(QDataStream &in, QSet<T> &set)
-{
- set.clear();
- quint32 c;
- in >> c;
- for (quint32 i = 0; i < c; ++i) {
- T t;
- in >> t;
- set << t;
- if (in.atEnd())
- break;
- }
- return in;
-}
-
-template <typename T>
-QDataStream& operator<<(QDataStream &out, const QSet<T> &set)
-{
- out << quint32(set.size());
- typename QSet<T>::const_iterator i = set.constBegin();
- while (i != set.constEnd()) {
- out << *i;
- ++i;
- }
- return out;
-}
-
-template <class Key, class T>
-Q_OUTOFLINE_TEMPLATE QDataStream &operator>>(QDataStream &in, QHash<Key, T> &hash)
-{
- QDataStream::Status oldStatus = in.status();
- in.resetStatus();
- hash.clear();
-
- quint32 n;
- in >> n;
-
- for (quint32 i = 0; i < n; ++i) {
- if (in.status() != QDataStream::Ok)
- break;
-
- Key k;
- T t;
- in >> k >> t;
- hash.insertMulti(k, t);
- }
-
- if (in.status() != QDataStream::Ok)
- hash.clear();
- if (oldStatus != QDataStream::Ok)
- in.setStatus(oldStatus);
- return in;
-}
-
-template <class Key, class T>
-Q_OUTOFLINE_TEMPLATE QDataStream &operator<<(QDataStream &out, const QHash<Key, T>& hash)
-{
- out << quint32(hash.size());
- typename QHash<Key, T>::ConstIterator it = hash.end();
- typename QHash<Key, T>::ConstIterator begin = hash.begin();
- while (it != begin) {
- --it;
- out << it.key() << it.value();
- }
- return out;
-}
-#ifdef qdoc
-template <class Key, class T>
-Q_OUTOFLINE_TEMPLATE QDataStream &operator>>(QDataStream &in, QMap<Key, T> &map)
-#else
-template <class aKey, class aT>
-Q_OUTOFLINE_TEMPLATE QDataStream &operator>>(QDataStream &in, QMap<aKey, aT> &map)
-#endif
-{
- QDataStream::Status oldStatus = in.status();
- in.resetStatus();
- map.clear();
-
- quint32 n;
- in >> n;
-
- map.detach();
- map.setInsertInOrder(true);
- for (quint32 i = 0; i < n; ++i) {
- if (in.status() != QDataStream::Ok)
- break;
-
- aKey key;
- aT value;
- in >> key >> value;
- map.insertMulti(key, value);
- }
- map.setInsertInOrder(false);
- if (in.status() != QDataStream::Ok)
- map.clear();
- if (oldStatus != QDataStream::Ok)
- in.setStatus(oldStatus);
- return in;
-}
-
-template <class Key, class T>
-Q_OUTOFLINE_TEMPLATE QDataStream &operator<<(QDataStream &out, const QMap<Key, T> &map)
-{
- out << quint32(map.size());
- typename QMap<Key, T>::ConstIterator it = map.end();
- typename QMap<Key, T>::ConstIterator begin = map.begin();
- while (it != begin) {
- --it;
- out << it.key() << it.value();
- }
- return out;
-}
-
-#endif // QT_NO_DATASTREAM
-
-QT_END_NAMESPACE
-
-QT_END_HEADER
-
-#endif // QDATASTREAM_H
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