mirror of
https://github.com/NohamR/RMHook-Win.git
synced 2026-05-25 12:27:12 +00:00
560 lines
15 KiB
C++
560 lines
15 KiB
C++
// Copyright (C) 2021 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
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#ifndef QDATASTREAM_H
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#define QDATASTREAM_H
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#include <QtCore/qscopedpointer.h>
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#include <QtCore/qiodevicebase.h>
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#include <QtCore/qcontainerfwd.h>
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#include <QtCore/qnamespace.h>
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#ifdef Status
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#error qdatastream.h must be included before any header file that defines Status
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#endif
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QT_BEGIN_NAMESPACE
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#if QT_CORE_REMOVED_SINCE(6, 3)
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class qfloat16;
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#endif
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class QByteArray;
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class QIODevice;
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#if !defined(QT_NO_DATASTREAM) || defined(QT_BOOTSTRAPPED)
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class QDataStreamPrivate;
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namespace QtPrivate {
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class StreamStateSaver;
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}
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class Q_CORE_EXPORT QDataStream : public QIODeviceBase
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{
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public:
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enum Version {
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Qt_1_0 = 1,
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Qt_2_0 = 2,
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Qt_2_1 = 3,
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Qt_3_0 = 4,
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Qt_3_1 = 5,
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Qt_3_3 = 6,
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Qt_4_0 = 7,
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Qt_4_1 = Qt_4_0,
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Qt_4_2 = 8,
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Qt_4_3 = 9,
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Qt_4_4 = 10,
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Qt_4_5 = 11,
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Qt_4_6 = 12,
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Qt_4_7 = Qt_4_6,
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Qt_4_8 = Qt_4_7,
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Qt_4_9 = Qt_4_8,
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Qt_5_0 = 13,
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Qt_5_1 = 14,
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Qt_5_2 = 15,
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Qt_5_3 = Qt_5_2,
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Qt_5_4 = 16,
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Qt_5_5 = Qt_5_4,
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Qt_5_6 = 17,
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Qt_5_7 = Qt_5_6,
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Qt_5_8 = Qt_5_7,
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Qt_5_9 = Qt_5_8,
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Qt_5_10 = Qt_5_9,
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Qt_5_11 = Qt_5_10,
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Qt_5_12 = 18,
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Qt_5_13 = 19,
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Qt_5_14 = Qt_5_13,
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Qt_5_15 = Qt_5_14,
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Qt_6_0 = 20,
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Qt_6_1 = Qt_6_0,
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Qt_6_2 = Qt_6_0,
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Qt_6_3 = Qt_6_0,
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Qt_6_4 = Qt_6_0,
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Qt_6_5 = Qt_6_0,
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Qt_DefaultCompiledVersion = Qt_6_5
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#if QT_VERSION >= QT_VERSION_CHECK(6, 6, 0)
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#error Add the datastream version for this Qt version and update Qt_DefaultCompiledVersion
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#endif
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};
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enum ByteOrder {
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BigEndian = QSysInfo::BigEndian,
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LittleEndian = QSysInfo::LittleEndian
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};
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enum Status {
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Ok,
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ReadPastEnd,
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ReadCorruptData,
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WriteFailed
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};
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enum FloatingPointPrecision {
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SinglePrecision,
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DoublePrecision
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};
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QDataStream();
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explicit QDataStream(QIODevice *);
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QDataStream(QByteArray *, OpenMode flags);
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QDataStream(const QByteArray &);
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~QDataStream();
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QIODevice *device() const;
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void setDevice(QIODevice *);
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bool atEnd() const;
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Status status() const;
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void setStatus(Status status);
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void resetStatus();
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FloatingPointPrecision floatingPointPrecision() const;
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void setFloatingPointPrecision(FloatingPointPrecision precision);
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ByteOrder byteOrder() const;
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void setByteOrder(ByteOrder);
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int version() const;
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void setVersion(int);
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QDataStream &operator>>(char &i);
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QDataStream &operator>>(qint8 &i);
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QDataStream &operator>>(quint8 &i);
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QDataStream &operator>>(qint16 &i);
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QDataStream &operator>>(quint16 &i);
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QDataStream &operator>>(qint32 &i);
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inline QDataStream &operator>>(quint32 &i);
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QDataStream &operator>>(qint64 &i);
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QDataStream &operator>>(quint64 &i);
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QDataStream &operator>>(std::nullptr_t &ptr) { ptr = nullptr; return *this; }
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QDataStream &operator>>(bool &i);
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#if QT_CORE_REMOVED_SINCE(6, 3)
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QDataStream &operator>>(qfloat16 &f);
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#endif
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QDataStream &operator>>(float &f);
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QDataStream &operator>>(double &f);
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QDataStream &operator>>(char *&str);
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QDataStream &operator>>(char16_t &c);
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QDataStream &operator>>(char32_t &c);
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QDataStream &operator<<(char i);
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QDataStream &operator<<(qint8 i);
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QDataStream &operator<<(quint8 i);
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QDataStream &operator<<(qint16 i);
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QDataStream &operator<<(quint16 i);
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QDataStream &operator<<(qint32 i);
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inline QDataStream &operator<<(quint32 i);
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QDataStream &operator<<(qint64 i);
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QDataStream &operator<<(quint64 i);
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QDataStream &operator<<(std::nullptr_t) { return *this; }
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QDataStream &operator<<(bool i);
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#if QT_CORE_REMOVED_SINCE(6, 3)
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QDataStream &operator<<(qfloat16 f);
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#endif
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QDataStream &operator<<(float f);
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QDataStream &operator<<(double f);
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QDataStream &operator<<(const char *str);
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QDataStream &operator<<(char16_t c);
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QDataStream &operator<<(char32_t c);
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QDataStream &readBytes(char *&, uint &len);
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int readRawData(char *, int len);
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QDataStream &writeBytes(const char *, uint len);
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int writeRawData(const char *, int len);
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int skipRawData(int len);
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void startTransaction();
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bool commitTransaction();
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void rollbackTransaction();
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void abortTransaction();
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bool isDeviceTransactionStarted() const;
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private:
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Q_DISABLE_COPY(QDataStream)
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QScopedPointer<QDataStreamPrivate> d;
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QIODevice *dev;
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bool owndev;
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bool noswap;
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ByteOrder byteorder;
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int ver;
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Status q_status;
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int readBlock(char *data, int len);
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friend class QtPrivate::StreamStateSaver;
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};
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namespace QtPrivate {
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class StreamStateSaver
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{
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public:
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inline StreamStateSaver(QDataStream *s) : stream(s), oldStatus(s->status())
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{
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if (!stream->isDeviceTransactionStarted())
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stream->resetStatus();
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}
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inline ~StreamStateSaver()
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{
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if (oldStatus != QDataStream::Ok) {
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stream->resetStatus();
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stream->setStatus(oldStatus);
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}
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}
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private:
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QDataStream *stream;
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QDataStream::Status oldStatus;
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};
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template <typename Container>
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QDataStream &readArrayBasedContainer(QDataStream &s, Container &c)
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{
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StreamStateSaver stateSaver(&s);
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c.clear();
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quint32 n;
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s >> n;
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c.reserve(n);
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for (quint32 i = 0; i < n; ++i) {
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typename Container::value_type t;
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s >> t;
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if (s.status() != QDataStream::Ok) {
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c.clear();
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break;
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}
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c.append(t);
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}
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return s;
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}
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template <typename Container>
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QDataStream &readListBasedContainer(QDataStream &s, Container &c)
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{
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StreamStateSaver stateSaver(&s);
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c.clear();
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quint32 n;
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s >> n;
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for (quint32 i = 0; i < n; ++i) {
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typename Container::value_type t;
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s >> t;
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if (s.status() != QDataStream::Ok) {
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c.clear();
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break;
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}
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c << t;
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}
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return s;
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}
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template <typename Container>
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QDataStream &readAssociativeContainer(QDataStream &s, Container &c)
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{
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StreamStateSaver stateSaver(&s);
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c.clear();
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quint32 n;
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s >> n;
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for (quint32 i = 0; i < n; ++i) {
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typename Container::key_type k;
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typename Container::mapped_type t;
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s >> k >> t;
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if (s.status() != QDataStream::Ok) {
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c.clear();
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break;
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}
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c.insert(k, t);
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}
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return s;
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}
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template <typename Container>
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QDataStream &writeSequentialContainer(QDataStream &s, const Container &c)
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{
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s << quint32(c.size());
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for (const typename Container::value_type &t : c)
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s << t;
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return s;
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}
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template <typename Container>
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QDataStream &writeAssociativeContainer(QDataStream &s, const Container &c)
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{
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s << quint32(c.size());
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auto it = c.constBegin();
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auto end = c.constEnd();
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while (it != end) {
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s << it.key() << it.value();
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++it;
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}
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return s;
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}
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template <typename Container>
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QDataStream &writeAssociativeMultiContainer(QDataStream &s, const Container &c)
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{
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s << quint32(c.size());
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auto it = c.constBegin();
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auto end = c.constEnd();
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while (it != end) {
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const auto rangeStart = it++;
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while (it != end && rangeStart.key() == it.key())
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++it;
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const qint64 last = std::distance(rangeStart, it) - 1;
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for (qint64 i = last; i >= 0; --i) {
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auto next = std::next(rangeStart, i);
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s << next.key() << next.value();
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}
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}
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return s;
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}
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} // QtPrivate namespace
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template<typename ...T>
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using QDataStreamIfHasOStreamOperators =
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std::enable_if_t<std::conjunction_v<QTypeTraits::has_ostream_operator<QDataStream, T>...>, QDataStream &>;
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template<typename Container, typename ...T>
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using QDataStreamIfHasOStreamOperatorsContainer =
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std::enable_if_t<std::conjunction_v<QTypeTraits::has_ostream_operator_container<QDataStream, Container, T>...>, QDataStream &>;
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template<typename ...T>
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using QDataStreamIfHasIStreamOperators =
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std::enable_if_t<std::conjunction_v<QTypeTraits::has_istream_operator<QDataStream, T>...>, QDataStream &>;
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template<typename Container, typename ...T>
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using QDataStreamIfHasIStreamOperatorsContainer =
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std::enable_if_t<std::conjunction_v<QTypeTraits::has_istream_operator_container<QDataStream, Container, T>...>, QDataStream &>;
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/*****************************************************************************
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QDataStream inline functions
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*****************************************************************************/
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inline QIODevice *QDataStream::device() const
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{ return dev; }
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inline QDataStream::ByteOrder QDataStream::byteOrder() const
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{ return byteorder; }
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inline int QDataStream::version() const
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{ return ver; }
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inline void QDataStream::setVersion(int v)
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{ ver = v; }
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inline QDataStream &QDataStream::operator>>(char &i)
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{ return *this >> reinterpret_cast<qint8&>(i); }
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inline QDataStream &QDataStream::operator>>(quint8 &i)
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{ return *this >> reinterpret_cast<qint8&>(i); }
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inline QDataStream &QDataStream::operator>>(quint16 &i)
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{ return *this >> reinterpret_cast<qint16&>(i); }
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inline QDataStream &QDataStream::operator>>(quint32 &i)
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{ return *this >> reinterpret_cast<qint32&>(i); }
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inline QDataStream &QDataStream::operator>>(quint64 &i)
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{ return *this >> reinterpret_cast<qint64&>(i); }
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inline QDataStream &QDataStream::operator<<(char i)
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{ return *this << qint8(i); }
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inline QDataStream &QDataStream::operator<<(quint8 i)
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{ return *this << qint8(i); }
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inline QDataStream &QDataStream::operator<<(quint16 i)
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{ return *this << qint16(i); }
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inline QDataStream &QDataStream::operator<<(quint32 i)
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{ return *this << qint32(i); }
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inline QDataStream &QDataStream::operator<<(quint64 i)
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{ return *this << qint64(i); }
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template <typename Enum>
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inline QDataStream &operator<<(QDataStream &s, QFlags<Enum> e)
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{ return s << typename QFlags<Enum>::Int(e); }
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template <typename Enum>
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inline QDataStream &operator>>(QDataStream &s, QFlags<Enum> &e)
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{
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typename QFlags<Enum>::Int i;
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s >> i;
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e = QFlag(i);
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return s;
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}
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template <typename T>
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typename std::enable_if_t<std::is_enum<T>::value, QDataStream &>
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operator<<(QDataStream &s, const T &t)
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{ return s << static_cast<typename std::underlying_type<T>::type>(t); }
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template <typename T>
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typename std::enable_if_t<std::is_enum<T>::value, QDataStream &>
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operator>>(QDataStream &s, T &t)
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{ return s >> reinterpret_cast<typename std::underlying_type<T>::type &>(t); }
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#ifndef Q_QDOC
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template<typename T>
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inline QDataStreamIfHasIStreamOperatorsContainer<QList<T>, T> operator>>(QDataStream &s, QList<T> &v)
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{
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return QtPrivate::readArrayBasedContainer(s, v);
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}
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template<typename T>
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inline QDataStreamIfHasOStreamOperatorsContainer<QList<T>, T> operator<<(QDataStream &s, const QList<T> &v)
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{
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return QtPrivate::writeSequentialContainer(s, v);
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}
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template <typename T>
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inline QDataStreamIfHasIStreamOperatorsContainer<QSet<T>, T> operator>>(QDataStream &s, QSet<T> &set)
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{
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return QtPrivate::readListBasedContainer(s, set);
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}
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template <typename T>
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inline QDataStreamIfHasOStreamOperatorsContainer<QSet<T>, T> operator<<(QDataStream &s, const QSet<T> &set)
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{
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return QtPrivate::writeSequentialContainer(s, set);
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}
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template <class Key, class T>
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inline QDataStreamIfHasIStreamOperatorsContainer<QHash<Key, T>, Key, T> operator>>(QDataStream &s, QHash<Key, T> &hash)
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{
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return QtPrivate::readAssociativeContainer(s, hash);
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}
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template <class Key, class T>
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inline QDataStreamIfHasOStreamOperatorsContainer<QHash<Key, T>, Key, T> operator<<(QDataStream &s, const QHash<Key, T> &hash)
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{
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return QtPrivate::writeAssociativeContainer(s, hash);
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}
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template <class Key, class T>
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inline QDataStreamIfHasIStreamOperatorsContainer<QMultiHash<Key, T>, Key, T> operator>>(QDataStream &s, QMultiHash<Key, T> &hash)
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{
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return QtPrivate::readAssociativeContainer(s, hash);
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}
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template <class Key, class T>
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inline QDataStreamIfHasOStreamOperatorsContainer<QMultiHash<Key, T>, Key, T> operator<<(QDataStream &s, const QMultiHash<Key, T> &hash)
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{
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return QtPrivate::writeAssociativeMultiContainer(s, hash);
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}
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template <class Key, class T>
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inline QDataStreamIfHasIStreamOperatorsContainer<QMap<Key, T>, Key, T> operator>>(QDataStream &s, QMap<Key, T> &map)
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{
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return QtPrivate::readAssociativeContainer(s, map);
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}
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template <class Key, class T>
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inline QDataStreamIfHasOStreamOperatorsContainer<QMap<Key, T>, Key, T> operator<<(QDataStream &s, const QMap<Key, T> &map)
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{
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return QtPrivate::writeAssociativeContainer(s, map);
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}
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template <class Key, class T>
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inline QDataStreamIfHasIStreamOperatorsContainer<QMultiMap<Key, T>, Key, T> operator>>(QDataStream &s, QMultiMap<Key, T> &map)
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{
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return QtPrivate::readAssociativeContainer(s, map);
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}
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template <class Key, class T>
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inline QDataStreamIfHasOStreamOperatorsContainer<QMultiMap<Key, T>, Key, T> operator<<(QDataStream &s, const QMultiMap<Key, T> &map)
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{
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return QtPrivate::writeAssociativeMultiContainer(s, map);
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}
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template <class T1, class T2>
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inline QDataStreamIfHasIStreamOperators<T1, T2> operator>>(QDataStream& s, std::pair<T1, T2> &p)
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{
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s >> p.first >> p.second;
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return s;
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}
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template <class T1, class T2>
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inline QDataStreamIfHasOStreamOperators<T1, T2> operator<<(QDataStream& s, const std::pair<T1, T2> &p)
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{
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s << p.first << p.second;
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return s;
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}
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#else
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template <class T>
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QDataStream &operator>>(QDataStream &s, QList<T> &l);
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template <class T>
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QDataStream &operator<<(QDataStream &s, const QList<T> &l);
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template <class T>
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QDataStream &operator>>(QDataStream &s, QSet<T> &set);
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template <class T>
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QDataStream &operator<<(QDataStream &s, const QSet<T> &set);
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template <class Key, class T>
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QDataStream &operator>>(QDataStream &s, QHash<Key, T> &hash);
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template <class Key, class T>
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QDataStream &operator<<(QDataStream &s, const QHash<Key, T> &hash);
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template <class Key, class T>
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QDataStream &operator>>(QDataStream &s, QMultiHash<Key, T> &hash);
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template <class Key, class T>
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QDataStream &operator<<(QDataStream &s, const QMultiHash<Key, T> &hash);
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template <class Key, class T>
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QDataStream &operator>>(QDataStream &s, QMap<Key, T> &map);
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template <class Key, class T>
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QDataStream &operator<<(QDataStream &s, const QMap<Key, T> &map);
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template <class Key, class T>
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QDataStream &operator>>(QDataStream &s, QMultiMap<Key, T> &map);
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template <class Key, class T>
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QDataStream &operator<<(QDataStream &s, const QMultiMap<Key, T> &map);
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template <class T1, class T2>
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QDataStream &operator>>(QDataStream& s, std::pair<T1, T2> &p);
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template <class T1, class T2>
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QDataStream &operator<<(QDataStream& s, const std::pair<T1, T2> &p);
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#endif // Q_QDOC
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inline QDataStream &operator>>(QDataStream &s, QKeyCombination &combination)
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{
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int combined;
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s >> combined;
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combination = QKeyCombination::fromCombined(combined);
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return s;
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}
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inline QDataStream &operator<<(QDataStream &s, QKeyCombination combination)
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{
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return s << combination.toCombined();
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}
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#endif // QT_NO_DATASTREAM
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QT_END_NAMESPACE
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#endif // QDATASTREAM_H
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