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/*
* Copyright (C) 2008 Rolf Eike Beer <kde@opensource.sf-tec.de>
*/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "klinebufferedprocess.h"
class KLineBufferedProcessPrivate
{
public:
KLineBufferedProcessPrivate(KLineBufferedProcess *parent);
//private slot implementations
void _k_receivedStdout();
void _k_receivedStderr();
QByteArray m_stdoutBuffer;
QByteArray m_stderrBuffer;
int m_newlineInStdout;
int m_newlineInStderr;
KLineBufferedProcess * const m_parent;
const QByteArray m_lineEnd;
};
KLineBufferedProcessPrivate::KLineBufferedProcessPrivate(KLineBufferedProcess *parent)
: m_newlineInStdout(-1),
m_newlineInStderr(-1),
m_parent(parent),
#ifdef Q_OS_WIN32 //krazy:exclude=cpp
m_lineEnd("\r\n")
#else
m_lineEnd("\n")
#endif
{
}
KLineBufferedProcess::KLineBufferedProcess(QObject *parent)
: KProcess(parent),
d(new KLineBufferedProcessPrivate(this))
{
connect(this, SIGNAL(readyReadStandardOutput()), this, SLOT(_k_receivedStdout()));
connect(this, SIGNAL(readyReadStandardError()), this, SLOT(_k_receivedStderr()));
}
KLineBufferedProcess::~KLineBufferedProcess()
{
delete d;
}
void KLineBufferedProcessPrivate::_k_receivedStdout()
{
QByteArray ndata = m_parent->readAllStandardOutput();
int oldBufferSize = m_stdoutBuffer.size();
m_stdoutBuffer.append(ndata);
if (m_newlineInStdout < 0) {
m_newlineInStdout = ndata.indexOf(m_lineEnd);
if (m_newlineInStdout >= 0) {
m_newlineInStdout += oldBufferSize;
emit m_parent->lineReadyStandardOutput();
}
}
}
void KLineBufferedProcessPrivate::_k_receivedStderr()
{
QByteArray ndata = m_parent->readAllStandardError();
int oldBufferSize = m_stderrBuffer.size();
m_stderrBuffer.append(ndata);
if (m_newlineInStderr < 0) {
m_newlineInStderr = ndata.indexOf(m_lineEnd);
if (m_newlineInStderr >= 0) {
m_newlineInStderr += oldBufferSize;
emit m_parent->lineReadyStandardError();
}
}
}
bool KLineBufferedProcess::readLineStandardOutput(QByteArray *line)
{
if (d->m_newlineInStdout < 0) {
return false;
}
// don't copy '\n'
*line = d->m_stdoutBuffer.left(d->m_newlineInStdout);
d->m_stdoutBuffer.remove(0, d->m_newlineInStdout + d->m_lineEnd.length());
d->m_newlineInStdout = d->m_stdoutBuffer.indexOf(d->m_lineEnd);
return true;
}
bool KLineBufferedProcess::readLineStandardError(QByteArray *line)
{
if (d->m_newlineInStderr < 0) {
return false;
}
// don't copy '\n'
*line = d->m_stderrBuffer.left(d->m_newlineInStderr);
d->m_stderrBuffer.remove(0, d->m_newlineInStderr + d->m_lineEnd.length());
d->m_newlineInStderr = d->m_stderrBuffer.indexOf(d->m_lineEnd);
return true;
}
bool KLineBufferedProcess::hasLineStandardOutput() const
{
return d->m_newlineInStdout >= 0;
}
bool KLineBufferedProcess::hasLineStandardError() const
{
return d->m_newlineInStderr >= 0;
}
#include "klinebufferedprocess.moc"
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