kde-extraapps/kdevplatform/util/processlinemaker.cpp
2015-07-26 14:23:17 +03:00

138 lines
3.7 KiB
C++

/* This file is part of the KDE project
Copyright 2002 John Firebaugh <jfirebaugh@kde.org>
Copyright 2007 Andreas Pakulat <apaku@gmx.de>
Copyright 2007 Oswald Buddenhagen <ossi@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "processlinemaker.h"
#include <QtCore/QProcess>
#include <QtCore/QStringList>
#include <QtCore/QTimer>
namespace KDevelop
{
class ProcessLineMakerPrivate
{
public:
QByteArray stdoutbuf;
QByteArray stderrbuf;
ProcessLineMaker* p;
QProcess* m_proc;
ProcessLineMakerPrivate( ProcessLineMaker* maker )
: p(maker)
{
}
void slotReadyReadStdout()
{
stdoutbuf += m_proc->readAllStandardOutput();
processStdOut();
}
void processStdOut()
{
QStringList lineList;
int pos;
while ( (pos = stdoutbuf.indexOf('\n')) != -1) {
if (pos > 0 && stdoutbuf.at(pos - 1) == '\r')
lineList << QString::fromLocal8Bit(stdoutbuf, pos - 1);
else
lineList << QString::fromLocal8Bit(stdoutbuf, pos);
stdoutbuf.remove(0, pos+1);
}
emit p->receivedStdoutLines(lineList);
}
void slotReadyReadStderr()
{
stderrbuf += m_proc->readAllStandardError();
processStdErr();
}
void processStdErr()
{
QStringList lineList;
int pos;
while ( (pos = stderrbuf.indexOf('\n')) != -1) {
if (pos > 0 && stderrbuf.at(pos - 1) == '\r')
lineList << QString::fromLocal8Bit(stderrbuf, pos - 1);
else
lineList << QString::fromLocal8Bit(stderrbuf, pos);
stderrbuf.remove(0, pos+1);
}
emit p->receivedStderrLines(lineList);
}
};
ProcessLineMaker::ProcessLineMaker(QObject* parent)
: QObject(parent)
, d( new ProcessLineMakerPrivate( this ) )
{
}
ProcessLineMaker::ProcessLineMaker( QProcess* proc, QObject* parent )
: QObject(parent)
, d( new ProcessLineMakerPrivate( this ) )
{
d->m_proc = proc;
d->m_proc->setTextModeEnabled( true );
connect(proc, SIGNAL(readyReadStandardOutput()),
this, SLOT(slotReadyReadStdout()) );
connect(proc, SIGNAL(readyReadStandardError()),
this, SLOT(slotReadyReadStderr()) );
}
ProcessLineMaker::~ProcessLineMaker()
{
delete d;
}
void ProcessLineMaker::slotReceivedStdout( const QByteArray& buffer )
{
d->stdoutbuf += buffer;
d->processStdOut();
}
void ProcessLineMaker::slotReceivedStderr( const QByteArray& buffer )
{
d->stderrbuf += buffer;
d->processStdErr();
}
void ProcessLineMaker::discardBuffers( )
{
d->stderrbuf.truncate(0);
d->stdoutbuf.truncate(0);
}
void ProcessLineMaker::flushBuffers()
{
if (!d->stdoutbuf.isEmpty())
emit receivedStdoutLines(QStringList(QString::fromLocal8Bit(d->stdoutbuf)));
if (!d->stderrbuf.isEmpty())
emit receivedStderrLines(QStringList(QString::fromLocal8Bit(d->stderrbuf)));
discardBuffers();
}
}
#include "moc_processlinemaker.cpp"