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152 lines
4.4 KiB
152 lines
4.4 KiB
/* This file is part of the KDE libraries
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Copyright (C) 2001 Werner Trobin <trobin@kde.org>
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2002 Werner Trobin <trobin@kde.org>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License version 2 as published by the Free Software Foundation.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <KoFilter.h>
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#include <tqfile.h>
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#include <kurl.h>
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#include <kmimetype.h>
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#include <tdetempfile.h>
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#include <kdebug.h>
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#include <KoFilterManager.h>
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KoFilter::KoFilter() : TQObject( 0, 0 ), m_chain( 0 )
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{
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}
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KoFilter::~KoFilter()
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{
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}
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KoEmbeddingFilter::~KoEmbeddingFilter()
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{
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if ( m_partStack.count() != 1 )
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kdWarning() << "Someone messed with the part stack" << endl;
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delete m_partStack.pop();
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}
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int KoEmbeddingFilter::lruPartIndex() const
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{
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return m_partStack.top()->m_lruPartIndex;
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}
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TQString KoEmbeddingFilter::mimeTypeByExtension( const TQString& extension )
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{
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// We need to resort to an ugly hack to determine the mimetype
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// from the extension, as kservicetypefactory.h isn't installed
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KURL url;
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url.setPath( TQString( "dummy.%1" ).arg( extension ) );
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KMimeType::Ptr m( KMimeType::findByURL( url, 0, true, true ) );
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return m->name();
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}
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KoEmbeddingFilter::KoEmbeddingFilter() : KoFilter()
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{
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m_partStack.push( new PartState() );
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}
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int KoEmbeddingFilter::embedPart( const TQCString& from, TQCString& to,
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KoFilter::ConversionStatus& status, const TQString& key )
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{
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++( m_partStack.top()->m_lruPartIndex );
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KTempFile tempIn;
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tempIn.setAutoDelete( true );
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savePartContents( tempIn.file() );
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tempIn.file()->close();
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KoFilterManager *manager = new KoFilterManager( tempIn.name(), from, m_chain );
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status = manager->exp0rt( TQString(), to );
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delete manager;
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// Add the part to the current "stack frame", using the number as key
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// if the key string is empty
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PartReference ref( lruPartIndex(), to );
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m_partStack.top()->m_partReferences.insert( key.isEmpty() ? TQString::number( lruPartIndex() ) : key, ref );
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return lruPartIndex();
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}
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void KoEmbeddingFilter::startInternalEmbedding( const TQString& key, const TQCString& mimeType )
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{
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filterChainEnterDirectory( TQString::number( ++( m_partStack.top()->m_lruPartIndex ) ) );
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PartReference ref( lruPartIndex(), mimeType );
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m_partStack.top()->m_partReferences.insert( key, ref );
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m_partStack.push( new PartState() );
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}
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void KoEmbeddingFilter::endInternalEmbedding()
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{
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if ( m_partStack.count() == 1 ) {
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kdError( 30500 ) << "You're trying to endInternalEmbedding more often than you started it" << endl;
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return;
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}
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delete m_partStack.pop();
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filterChainLeaveDirectory();
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}
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int KoEmbeddingFilter::internalPartReference( const TQString& key ) const
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{
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TQMapConstIterator<TQString, PartReference> it = m_partStack.top()->m_partReferences.find( key );
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if ( it == m_partStack.top()->m_partReferences.end() )
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return -1;
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return it.data().m_index;
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}
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TQCString KoEmbeddingFilter::internalPartMimeType( const TQString& key ) const
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{
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TQMapConstIterator<TQString, PartReference> it = m_partStack.top()->m_partReferences.find( key );
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if ( it == m_partStack.top()->m_partReferences.end() )
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return TQCString();
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return it.data().m_mimeType;
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}
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KoEmbeddingFilter::PartReference::PartReference( int index, const TQCString& mimeType ) :
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m_index( index ), m_mimeType( mimeType )
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{
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}
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bool KoEmbeddingFilter::PartReference::isValid() const
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{
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return m_index != 1 && !m_mimeType.isEmpty();
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}
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KoEmbeddingFilter::PartState::PartState() : m_lruPartIndex( 0 )
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{
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}
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void KoEmbeddingFilter::savePartContents( TQIODevice* )
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{
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}
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void KoEmbeddingFilter::filterChainEnterDirectory( const TQString& directory ) const
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{
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m_chain->enterDirectory( directory );
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}
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void KoEmbeddingFilter::filterChainLeaveDirectory() const
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{
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m_chain->leaveDirectory();
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}
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#include <KoFilter.moc>
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