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-rw-r--r--filters/kformula/mathml/mathmlimport.cpp111
1 files changed, 111 insertions, 0 deletions
diff --git a/filters/kformula/mathml/mathmlimport.cpp b/filters/kformula/mathml/mathmlimport.cpp
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+++ b/filters/kformula/mathml/mathmlimport.cpp
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+/* 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;
+}
+