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/*
SPDX-FileCopyrightText: 2002 John Firebaugh <jfirebaugh@kde.org>
SPDX-FileCopyrightText: 2007 Andreas Pakulat <apaku@gmx.de>
SPDX-FileCopyrightText: 2007 Oswald Buddenhagen <ossi@kde.org>
SPDX-License-Identifier: LGPL-2.0-or-later
*/
#ifndef _PROCESSLINEMAKER_H_
#define _PROCESSLINEMAKER_H_
#include "utilexport.h"
#include <QObject>
#include <QStringList>
/**
@file processlinemaker.h
Utility objects for process output views.
*/
class QProcess;
/**
Convenience class to catch output of QProcess.
*/
namespace KDevelop {
class ProcessLineMakerPrivate;
class KDEVPLATFORMUTIL_EXPORT ProcessLineMaker : public QObject
{
Q_OBJECT
public:
explicit ProcessLineMaker(QObject* parent = nullptr);
explicit ProcessLineMaker(QProcess* process, QObject* parent = nullptr);
~ProcessLineMaker() override;
/**
* clears out the internal buffers, this drops any data without
* emitting the related signal
*/
void discardBuffers();
/**
* Flush the data from the buffers and then clear them.
* This should be called once when the process has
* exited to make sure all data that was received from the
* process is properly converted and emitted.
*
* Note: Connecting this class to the process finished signal
* is not going to work, as the user of this class will do
* that itself too and possibly delete the process, making
* it impossible to fetch the last output.
*/
void flushBuffers();
public Q_SLOTS:
/**
* This should be used (instead of hand-crafted code) when
* you need to do custom things with the process output
* before feeding it to the linemaker and have it convert
* it to QString lines.
* @param buffer the output from the process
*/
void slotReceivedStdout(const QByteArray& buffer);
/**
* This should be used (instead of hand-crafted code) when
* you need to do custom things with the process error output
* before feeding it to the linemaker and have it convert
* it to QString lines.
* @param buffer the output from the process
*/
void slotReceivedStderr(const QByteArray& buffer);
Q_SIGNALS:
/**
* Emitted whenever the process prints something
* to its standard output. The output is converted
* to a QString using fromLocal8Bit() and will
* be split on '\n'.
* @param lines the lines that the process printed
*/
void receivedStdoutLines(const QStringList& lines);
/**
* Emitted whenever the process prints something
* to its error output. The output is converted
* to a QString using fromLocal8Bit() and will
* be split on '\n'.
* @param lines the lines that the process printed
*/
void receivedStderrLines(const QStringList& lines);
private:
const QScopedPointer<class ProcessLineMakerPrivate> d_ptr;
Q_DECLARE_PRIVATE(ProcessLineMaker)
friend class ProcessLineMakerPrivate;
};
}
#endif
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