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-rw-r--r--kioslave/audiocd/plugins/lame/collectingprocess.cpp134
1 files changed, 134 insertions, 0 deletions
diff --git a/kioslave/audiocd/plugins/lame/collectingprocess.cpp b/kioslave/audiocd/plugins/lame/collectingprocess.cpp
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+++ b/kioslave/audiocd/plugins/lame/collectingprocess.cpp
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+/*
+ collectingprocess.cpp
+
+ This file is part of libkdepim.
+ Copyright (c) 2004 Ingo Kloecker <kloecker@kde.org>
+
+ This library 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.
+
+ 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
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+
+ In addition, as a special exception, the copyright holders give
+ permission to link the code of this program with any edition of
+ the Qt library by Trolltech AS, Norway (or with modified versions
+ of Qt that use the same license as Qt), and distribute linked
+ combinations including the two. You must obey the GNU General
+ Public License in all respects for all of the code used other than
+ Qt. If you modify this file, you may extend this exception to
+ your version of the file, but you are not obligated to do so. If
+ you do not wish to do so, delete this exception statement from
+ your version.
+*/
+
+#include "collectingprocess.h"
+
+#include <qvaluelist.h>
+
+#include <string.h>
+
+struct CollectingProcess::Private {
+ Private() : stdoutSize( 0 ), stderrSize( 0 )
+ {}
+
+ uint stdoutSize;
+ QValueList<QByteArray> stdoutBuffer;
+ uint stderrSize;
+ QValueList<QByteArray> stderrBuffer;
+};
+
+
+CollectingProcess::CollectingProcess( QObject * parent, const char * name )
+ : KProcess( parent, name )
+{
+ d = new Private();
+}
+
+CollectingProcess::~CollectingProcess() {
+ delete d; d = 0;
+}
+
+bool CollectingProcess::start( RunMode runmode, Communication comm ) {
+ // prevent duplicate connection
+ disconnect( this, SIGNAL( receivedStdout( KProcess *, char *, int ) ),
+ this, SLOT( slotReceivedStdout( KProcess *, char *, int ) ) );
+ if ( comm & Stdout ) {
+ connect( this, SIGNAL( receivedStdout( KProcess *, char *, int ) ),
+ this, SLOT( slotReceivedStdout( KProcess *, char *, int ) ) );
+ }
+ // prevent duplicate connection
+ disconnect( this, SIGNAL( receivedStderr( KProcess *, char *, int ) ),
+ this, SLOT( slotReceivedStderr( KProcess *, char *, int ) ) );
+ if ( comm & Stderr ) {
+ connect( this, SIGNAL( receivedStderr( KProcess *, char *, int ) ),
+ this, SLOT( slotReceivedStderr( KProcess *, char *, int ) ) );
+ }
+ return KProcess::start( runmode, comm );
+}
+
+void CollectingProcess::slotReceivedStdout( KProcess *, char *buf, int len )
+{
+ QByteArray b;
+ b.duplicate( buf, len );
+ d->stdoutBuffer.append( b );
+ d->stdoutSize += len;
+}
+
+void CollectingProcess::slotReceivedStderr( KProcess *, char *buf, int len )
+{
+ QByteArray b;
+ b.duplicate( buf, len );
+ d->stderrBuffer.append( b );
+ d->stderrSize += len;
+}
+
+QByteArray CollectingProcess::collectedStdout()
+{
+ if ( d->stdoutSize == 0 ) {
+ return QByteArray();
+ }
+
+ uint offset = 0;
+ QByteArray b( d->stdoutSize );
+ for ( QValueList<QByteArray>::const_iterator it = d->stdoutBuffer.begin();
+ it != d->stdoutBuffer.end();
+ ++it ) {
+ memcpy( b.data() + offset, (*it).data(), (*it).size() );
+ offset += (*it).size();
+ }
+ d->stdoutBuffer.clear();
+ d->stdoutSize = 0;
+
+ return b;
+}
+
+QByteArray CollectingProcess::collectedStderr()
+{
+ if ( d->stderrSize == 0 ) {
+ return QByteArray();
+ }
+
+ uint offset = 0;
+ QByteArray b( d->stderrSize );
+ for ( QValueList<QByteArray>::const_iterator it = d->stderrBuffer.begin();
+ it != d->stderrBuffer.end();
+ ++it ) {
+ memcpy( b.data() + offset, (*it).data(), (*it).size() );
+ offset += (*it).size();
+ }
+ d->stderrBuffer.clear();
+ d->stderrSize = 0;
+
+ return b;
+}
+
+#include "collectingprocess.moc"