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/* This file is part of the KDE libraries
Copyright (C) 2001 Werner Trobin <trobin@kde.org>
2002 Werner Trobin <trobin@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 <KoFilter.h>
#include <tqfile.h>
#include <kurl.h>
#include <kmimetype.h>
#include <tdetempfile.h>
#include <kdebug.h>
#include <KoFilterManager.h>
KoFilter::KoFilter() : TQObject( 0, 0 ), m_chain( 0 )
{
}
KoFilter::~KoFilter()
{
}
KoEmbeddingFilter::~KoEmbeddingFilter()
{
if ( m_partStack.count() != 1 )
kdWarning() << "Someone messed with the part stack" << endl;
delete m_partStack.pop();
}
int KoEmbeddingFilter::lruPartIndex() const
{
return m_partStack.top()->m_lruPartIndex;
}
TQString KoEmbeddingFilter::mimeTypeByExtension( const TQString& extension )
{
// We need to resort to an ugly hack to determine the mimetype
// from the extension, as kservicetypefactory.h isn't installed
KURL url;
url.setPath( TQString( "dummy.%1" ).arg( extension ) );
KMimeType::Ptr m( KMimeType::findByURL( url, 0, true, true ) );
return m->name();
}
KoEmbeddingFilter::KoEmbeddingFilter() : KoFilter()
{
m_partStack.push( new PartState() );
}
int KoEmbeddingFilter::embedPart( const TQCString& from, TQCString& to,
KoFilter::ConversionStatus& status, const TQString& key )
{
++( m_partStack.top()->m_lruPartIndex );
KTempFile tempIn;
tempIn.setAutoDelete( true );
savePartContents( TQT_TQIODEVICE(tempIn.file()) );
tempIn.file()->close();
KoFilterManager *manager = new KoFilterManager( tempIn.name(), from, m_chain );
status = manager->exp0rt( TQString(), to );
delete manager;
// Add the part to the current "stack frame", using the number as key
// if the key string is empty
PartReference ref( lruPartIndex(), to );
m_partStack.top()->m_partReferences.insert( key.isEmpty() ? TQString::number( lruPartIndex() ) : key, ref );
return lruPartIndex();
}
void KoEmbeddingFilter::startInternalEmbedding( const TQString& key, const TQCString& mimeType )
{
filterChainEnterDirectory( TQString::number( ++( m_partStack.top()->m_lruPartIndex ) ) );
PartReference ref( lruPartIndex(), mimeType );
m_partStack.top()->m_partReferences.insert( key, ref );
m_partStack.push( new PartState() );
}
void KoEmbeddingFilter::endInternalEmbedding()
{
if ( m_partStack.count() == 1 ) {
kdError( 30500 ) << "You're trying to endInternalEmbedding more often than you started it" << endl;
return;
}
delete m_partStack.pop();
filterChainLeaveDirectory();
}
int KoEmbeddingFilter::internalPartReference( const TQString& key ) const
{
TQMapConstIterator<TQString, PartReference> it = m_partStack.top()->m_partReferences.find( key );
if ( it == m_partStack.top()->m_partReferences.end() )
return -1;
return it.data().m_index;
}
TQCString KoEmbeddingFilter::internalPartMimeType( const TQString& key ) const
{
TQMapConstIterator<TQString, PartReference> it = m_partStack.top()->m_partReferences.find( key );
if ( it == m_partStack.top()->m_partReferences.end() )
return TQCString();
return it.data().m_mimeType;
}
KoEmbeddingFilter::PartReference::PartReference( int index, const TQCString& mimeType ) :
m_index( index ), m_mimeType( mimeType )
{
}
bool KoEmbeddingFilter::PartReference::isValid() const
{
return m_index != 1 && !m_mimeType.isEmpty();
}
KoEmbeddingFilter::PartState::PartState() : m_lruPartIndex( 0 )
{
}
void KoEmbeddingFilter::savePartContents( TQIODevice* )
{
}
void KoEmbeddingFilter::filterChainEnterDirectory( const TQString& directory ) const
{
m_chain->enterDirectory( directory );
}
void KoEmbeddingFilter::filterChainLeaveDirectory() const
{
m_chain->leaveDirectory();
}
#include <KoFilter.moc>
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