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/****************************************************************************
**
** Copyright (C) 2019 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtLocation module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QIOPIPE_P_H
#define QIOPIPE_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/qiodevice.h>
#include <QtCore/qbytearray.h>
#include <QtCore/private/qiodevice_p.h>
QT_BEGIN_NAMESPACE
class QObject;
class QIOPipePrivate;
class QIOPipe : public QIODevice
{
Q_OBJECT
public:
enum Mode {
EndPipe = 0x0000,
ProxyPipe = 0x0001
};
explicit QIOPipe(QIODevice *parent, Mode mode = EndPipe);
~QIOPipe() override;
bool open(OpenMode openMode) override;
bool isSequential() const override;
void setReadChannelCount(int count);
void addChildPipe(QIOPipe *childPipe);
protected:
qint64 readData(char *data, qint64 maxlen) override;
qint64 writeData(const char *data, qint64 len) override;
private:
Q_DECLARE_PRIVATE(QIOPipe)
Q_DISABLE_COPY(QIOPipe)
};
class QIOPipePrivate : public QIODevicePrivate
{
Q_DECLARE_PUBLIC(QIOPipe)
public:
explicit QIOPipePrivate(QIODevice *iodevice, bool proxying);
~QIOPipePrivate() override;
void initialize();
bool readAvailableData();
void pumpData(const QByteArray &ba);
void pushData(const QByteArray &ba);
void _q_onReadyRead();
void addChildPipe(QIOPipe *childPipe);
void removeChildPipe(QIOPipe *childPipe);
bool m_proxying = false;
QPointer<QIODevice> source;
QVector<QPointer<QIOPipe>> childPipes;
};
#endif // QIOPIPE_P_H
QT_END_NAMESPACE
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