KDECore
kfilterbase.cpp
Go to the documentation of this file.00001 /* This file is part of the KDE libraries 00002 Copyright (C) 2000-2005 David Faure <faure@kde.org> 00003 00004 This library is free software; you can redistribute it and/or 00005 modify it under the terms of the GNU Library General Public 00006 License version 2 as published by the Free Software Foundation. 00007 00008 This library is distributed in the hope that it will be useful, 00009 but WITHOUT ANY WARRANTY; without even the implied warranty of 00010 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00011 Library General Public License for more details. 00012 00013 You should have received a copy of the GNU Library General Public License 00014 along with this library; see the file COPYING.LIB. If not, write to 00015 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 00016 Boston, MA 02110-1301, USA. 00017 */ 00018 00019 #include "kfilterbase.h" 00020 #include <config.h> 00021 00022 #include <kdebug.h> 00023 #include <QtCore/QIODevice> 00024 #include <kmimetype.h> 00025 #include "kgzipfilter.h" 00026 #ifdef HAVE_BZIP2_SUPPORT 00027 #include "kbzip2filter.h" 00028 #endif 00029 00030 KFilterBase::KFilterBase() 00031 : m_dev( 0L ), m_bAutoDel( false ), d(0) 00032 { 00033 } 00034 00035 KFilterBase::~KFilterBase() 00036 { 00037 if ( m_bAutoDel ) 00038 delete m_dev; 00039 } 00040 00041 void KFilterBase::setDevice( QIODevice * dev, bool autodelete ) 00042 { 00043 m_dev = dev; 00044 m_bAutoDel = autodelete; 00045 } 00046 00047 QIODevice * KFilterBase::device() 00048 { 00049 return m_dev; 00050 } 00051 00052 bool KFilterBase::inBufferEmpty() const 00053 { 00054 return inBufferAvailable() == 0; 00055 } 00056 00057 bool KFilterBase::outBufferFull() const 00058 { 00059 return outBufferAvailable() == 0; 00060 } 00061 00062 KFilterBase * KFilterBase::findFilterByFileName( const QString & fileName ) 00063 { 00064 if ( fileName.endsWith( ".gz", Qt::CaseInsensitive ) ) 00065 { 00066 return new KGzipFilter; 00067 } 00068 #ifdef HAVE_BZIP2_SUPPORT 00069 if ( fileName.endsWith( ".bz2", Qt::CaseInsensitive ) ) 00070 { 00071 return new KBzip2Filter; 00072 } 00073 #endif 00074 else 00075 { 00076 // not a warning, since this is called often with other mimetypes (see #88574)... 00077 // maybe we can avoid that though? 00078 kDebug(7005) << "KFilterBase::findFilterByFileName : no filter found for " << fileName; 00079 } 00080 00081 return 0; 00082 } 00083 00084 KFilterBase * KFilterBase::findFilterByMimeType( const QString & mimeType ) 00085 { 00086 KMimeType::Ptr mime = KMimeType::mimeType(mimeType); 00087 if ( mimeType == QLatin1String( "application/x-gzip" ) || (mime && mime->is("application/x-gzip")) ) 00088 { 00089 return new KGzipFilter; 00090 } 00091 #ifdef HAVE_BZIP2_SUPPORT 00092 else if ( mimeType == QLatin1String( "application/x-bzip" ) 00093 || mimeType == QLatin1String( "application/x-bzip2" ) // old name, kept for compatibility 00094 || (mime && mime->is("application/x-bzip")) ) 00095 { 00096 return new KBzip2Filter; 00097 } 00098 #endif 00099 else 00100 { 00101 // not a warning, since this is called often with other mimetypes (see #88574)... 00102 // maybe we can avoid that though? 00103 kDebug(7005) << "KFilterBase::findFilterByMimeType : no filter found for " << mimeType; 00104 } 00105 00106 return 0; 00107 } 00108 00109 void KFilterBase::terminate() 00110 { 00111 } 00112 00113 void KFilterBase::reset() 00114 { 00115 } 00116 00117 void KFilterBase::virtual_hook( int, void* ) 00118 { /*BASE::virtual_hook( id, data );*/ } 00119