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Diffstat (limited to 'filters/kformula/mathml/mathmlimport.cpp')
-rw-r--r-- | filters/kformula/mathml/mathmlimport.cpp | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/filters/kformula/mathml/mathmlimport.cpp b/filters/kformula/mathml/mathmlimport.cpp new file mode 100644 index 000000000..b8fa07ed4 --- /dev/null +++ b/filters/kformula/mathml/mathmlimport.cpp @@ -0,0 +1,111 @@ +/* This file is part of the KDE project + Copyright (C) 2003 Ulrich Kuettler <ulrich.kuettler@mailbox.tu-dresden.de> + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + 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 <tdeapplication.h> +#include <kdebug.h> +#include <kgenericfactory.h> +#include <tdeglobal.h> +#include <tdelocale.h> +#include <tdemessagebox.h> +#include <KoFilterChain.h> + +#include <tqtextcodec.h> + +#include <kformuladocument.h> +#include <kformulacontainer.h> +#include <kformulamimesource.h> + +#include "mathmlimport.h" +#include "mathmlimport.moc" + + +typedef KGenericFactory<MathMLImport, KoFilter> MathMLImportFactory; +K_EXPORT_COMPONENT_FACTORY( libkfomathmlimport, MathMLImportFactory( "kofficefilters" ) ) + + +MathMLImport::MathMLImport(KoFilter *, const char *, const TQStringList&) + : KoFilter() +{ +} + +KoFilter::ConversionStatus MathMLImport::convert( const TQCString& from, const TQCString& to ) +{ + kdDebug( KFormula::DEBUGID ) << "From: " << from << endl; + kdDebug( KFormula::DEBUGID ) << "To: " << to << endl; + + if(from != "application/mathml+xml" || to != "application/x-kformula") + return KoFilter::NotImplemented; + + KoStore* out = KoStore::createStore(TQString(m_chain->outputFile()), KoStore::Write); + if(!out || !out->open("root")) { + KMessageBox::error( 0, i18n( "Unable to open output file." ), i18n( "MathML Import Error" ) ); + delete out; + return KoFilter::FileNotFound; + } + + KFormula::DocumentWrapper* wrapper = new KFormula::DocumentWrapper( kapp->config(), 0 ); + KFormula::Document* doc = new KFormula::Document; + wrapper->document( doc ); + KFormula::Container* formula = doc->createFormula(); + + //formula->loadMathML( m_chain->inputFile() ); + const TQString filename( m_chain->inputFile() ); + TQFile f( filename ); + if ( !f.open( IO_ReadOnly ) ) { + KMessageBox::error( 0, i18n( "Failed to open input file: %1" ).arg( filename ), i18n( "MathML Import Error" ) ); + delete wrapper; + return KoFilter::FileNotFound; + } + + TQDomDocument mathML; + // Error variables for TQDomDocument::setContent + TQString errorMsg; + int errorLine, errorColumn; + if ( !mathML.setContent( &f, true, &errorMsg, &errorLine, &errorColumn ) ) { + delete wrapper; + TQApplication::restoreOverrideCursor(); + kdError(KFormula::DEBUGID) << "Parsing error in " << filename << "! Aborting!" << endl + << " In line: " << errorLine << ", column: " << errorColumn << endl + << " Error message: " << errorMsg << endl; + KMessageBox::error( 0, i18n( "Parsing error in MathML file %4 at line %1, column %2\nError message: %3" ) + .arg( errorLine ).arg( errorColumn ).arg( i18n ( "TQXml", errorMsg.utf8() ).arg( filename ) ), i18n( "MathML Import Error" ) ); + return KoFilter::WrongFormat; + } + f.close(); + if ( !formula->loadMathML( mathML ) ) { + delete wrapper; + return KoFilter::StupidError; + } + + // taken from KoDocument::saveToStore + KoStoreDevice dev( out ); + const TQCString s = doc->saveXML().toCString(); // utf8 already + const int nwritten = dev.writeBlock( s.data(), s.size()-1 ); + if ( nwritten != (int)s.size()-1 ) { + kdWarning() << "wrote " << nwritten << " - expected " << s.size()-1 << endl; + KMessageBox::error( 0, i18n( "Failed to write formula." ), i18n( "MathML Import Error" ) ); + } + + out->close(); + delete out; + + delete wrapper; + return KoFilter::OK; +} + |