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+/****************************************************************************
+**
+** Copyright (C) 2011 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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.
+**
+** 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,
+ Qt_4_7 = Qt_4_6,
+ Qt_4_8 = Qt_4_7
+#if QT_VERSION >= 0x040900
+#error Add the datastream version for this Qt version
+ Qt_4_9 = Qt_4_8
+#endif
+ };
+
+ enum ByteOrder {
+ BigEndian = QSysInfo::BigEndian,
+ LittleEndian = QSysInfo::LittleEndian
+ };
+
+ enum Status {
+ Ok,
+ ReadPastEnd,
+ ReadCorruptData,
+ WriteFailed
+ };
+
+ 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;
+ l.reserve(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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