diff options
Diffstat (limited to 'qtinterface/qt4/Qt/qdatastream.h')
| -rw-r--r-- | qtinterface/qt4/Qt/qdatastream.h | 436 |
1 files changed, 436 insertions, 0 deletions
diff --git a/qtinterface/qt4/Qt/qdatastream.h b/qtinterface/qt4/Qt/qdatastream.h new file mode 100644 index 0000000..a815bc5 --- /dev/null +++ b/qtinterface/qt4/Qt/qdatastream.h @@ -0,0 +1,436 @@ +/**************************************************************************** +** +** 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 |