kfilterbase.cpp
/* This file is part of the KDE libraries
Copyright (C) 2000 David Faure <faure@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 version 2 as published by the Free Software Foundation.
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 "kfilterbase.h"
#include <klibloader.h>
#include <kmimetype.h>
#include <ktrader.h>
#include <kdebug.h>
KFilterBase::KFilterBase()
: m_dev( 0L ), m_bAutoDel( false )
{
}
KFilterBase::~KFilterBase()
{
if ( m_bAutoDel )
delete m_dev;
}
void KFilterBase::setDevice( QIODevice * dev, bool autodelete )
{
m_dev = dev;
m_bAutoDel = autodelete;
}
KFilterBase * KFilterBase::findFilterByFileName( const QString & fileName )
{
KMimeType::Ptr mime = KMimeType::findByPath( fileName );
kdDebug(7005) << "KFilterBase::findFilterByFileName mime=" << mime->name() << endl;
return findFilterByMimeType(mime->name());
}
KFilterBase * KFilterBase::findFilterByMimeType( const QString & mimeType )
{
KTrader::OfferList offers = KTrader::self()->query( "KDECompressionFilter",
QString("'") + mimeType + "' in ServiceTypes" );
KTrader::OfferList::ConstIterator it = offers.begin();
KTrader::OfferList::ConstIterator end = offers.end();
kdDebug(7005) << "KFilterBase::findFilterByMimeType(" << mimeType << ") got " << offers.count() << " offers" << endl;
for (; it != end; ++it )
{
if ((*it)->library().isEmpty()) { continue; }
KLibFactory *factory = KLibLoader::self()->factory((*it)->library().latin1());
if (!factory) { continue; }
KFilterBase *filter = static_cast<KFilterBase*>( factory->create(0, (*it)->desktopEntryName().latin1() ) );
if ( filter )
return filter;
}
if ( mimeType == "application/x-bzip2" || mimeType == "application/x-gzip" ) // #88574
kdWarning(7005) << "KFilterBase::findFilterByMimeType : no filter found for " << mimeType << endl;
return 0L;
}
void KFilterBase::virtual_hook( int, void* )
{ /*BASE::virtual_hook( id, data );*/ }
#include "kfilterbase.moc"
KTrader::query
virtual OfferList query(const QString &servicetype, const QString &constraint=QString::null, const QString &preferences=QString::null) const
The main function in the KTrader class.
Definition: ktrader.cpp:106
KFilterBase
This is the base class for compression filters such as gzip and bzip2.
Definition: kfilterbase.h:38
KFilterBase::findFilterByFileName
static KFilterBase * findFilterByFileName(const QString &fileName)
Call this to create the appropriate filter for the file named fileName.
Definition: kfilterbase.cpp:42
KFilterBase::setDevice
void setDevice(QIODevice *dev, bool autodelete=false)
Sets the device on which the filter will work.
Definition: kfilterbase.cpp:36
KTrader::OfferList
QValueList< KService::Ptr > OfferList
A list of services.
Definition: ktrader.h:92
KTrader::self
static KTrader * self()
This is a static pointer to a KTrader instance.
Definition: ktrader.cpp:90
KFilterBase::findFilterByMimeType
static KFilterBase * findFilterByMimeType(const QString &mimeType)
Call this to create the appropriate filter for the mimetype mimeType.
Definition: kfilterbase.cpp:49
KMimeType::findByPath
static Ptr findByPath(const QString &path, mode_t mode=0, bool fast_mode=false)
Finds a KMimeType with the given _url.
Definition: kmimetype.cpp:304

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