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112 lines
4.1 KiB
112 lines
4.1 KiB
/* This file is part of the KDE project
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Copyright (C) 2003 Ulrich Kuettler <ulrich.kuettler@mailbox.tu-dresden.de>
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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 as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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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 <tdeapplication.h>
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#include <kdebug.h>
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#include <kgenericfactory.h>
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#include <kglobal.h>
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#include <klocale.h>
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#include <kmessagebox.h>
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#include <KoFilterChain.h>
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#include <tqtextcodec.h>
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#include <kformuladocument.h>
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#include <kformulacontainer.h>
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#include <kformulamimesource.h>
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#include "mathmlimport.h"
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#include "mathmlimport.moc"
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typedef KGenericFactory<MathMLImport, KoFilter> MathMLImportFactory;
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K_EXPORT_COMPONENT_FACTORY( libkfomathmlimport, MathMLImportFactory( "kofficefilters" ) )
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MathMLImport::MathMLImport(KoFilter *, const char *, const TQStringList&)
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: KoFilter()
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{
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}
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KoFilter::ConversionStatus MathMLImport::convert( const TQCString& from, const TQCString& to )
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{
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kdDebug( KFormula::DEBUGID ) << "From: " << from << endl;
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kdDebug( KFormula::DEBUGID ) << "To: " << to << endl;
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if(from != "application/mathml+xml" || to != "application/x-kformula")
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return KoFilter::NotImplemented;
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KoStore* out = KoStore::createStore(TQString(m_chain->outputFile()), KoStore::Write);
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if(!out || !out->open("root")) {
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KMessageBox::error( 0, i18n( "Unable to open output file." ), i18n( "MathML Import Error" ) );
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delete out;
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return KoFilter::FileNotFound;
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}
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KFormula::DocumentWrapper* wrapper = new KFormula::DocumentWrapper( kapp->config(), 0 );
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KFormula::Document* doc = new KFormula::Document;
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wrapper->document( doc );
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KFormula::Container* formula = doc->createFormula();
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//formula->loadMathML( m_chain->inputFile() );
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const TQString filename( m_chain->inputFile() );
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TQFile f( filename );
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if ( !f.open( IO_ReadOnly ) ) {
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KMessageBox::error( 0, i18n( "Failed to open input file: %1" ).arg( filename ), i18n( "MathML Import Error" ) );
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delete wrapper;
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return KoFilter::FileNotFound;
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}
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TQDomDocument mathML;
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// Error variables for TQDomDocument::setContent
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TQString errorMsg;
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int errorLine, errorColumn;
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if ( !mathML.setContent( &f, true, &errorMsg, &errorLine, &errorColumn ) ) {
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delete wrapper;
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TQApplication::restoreOverrideCursor();
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kdError(KFormula::DEBUGID) << "Parsing error in " << filename << "! Aborting!" << endl
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<< " In line: " << errorLine << ", column: " << errorColumn << endl
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<< " Error message: " << errorMsg << endl;
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KMessageBox::error( 0, i18n( "Parsing error in MathML file %4 at line %1, column %2\nError message: %3" )
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.arg( errorLine ).arg( errorColumn ).arg( i18n ( "TQXml", errorMsg.utf8() ).arg( filename ) ), i18n( "MathML Import Error" ) );
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return KoFilter::WrongFormat;
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}
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f.close();
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if ( !formula->loadMathML( mathML ) ) {
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delete wrapper;
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return KoFilter::StupidError;
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}
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// taken from KoDocument::saveToStore
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KoStoreDevice dev( out );
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const TQCString s = doc->saveXML().toCString(); // utf8 already
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const int nwritten = dev.writeBlock( s.data(), s.size()-1 );
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if ( nwritten != (int)s.size()-1 ) {
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kdWarning() << "wrote " << nwritten << " - expected " << s.size()-1 << endl;
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KMessageBox::error( 0, i18n( "Failed to write formula." ), i18n( "MathML Import Error" ) );
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}
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out->close();
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delete out;
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delete wrapper;
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return KoFilter::OK;
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}
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