Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : 
      21             : #include "svgfilter.hxx"
      22             : #include "svgreader.hxx"
      23             : 
      24             : #include "rtl/ref.hxx"
      25             : 
      26             : #include <com/sun/star/lang/XMultiServiceFactory.hpp>
      27             : 
      28             : #include <com/sun/star/lang/XComponent.hpp>
      29             : 
      30             : #include <com/sun/star/uno/Any.hxx>
      31             : #include <com/sun/star/uno/Type.hxx>
      32             : 
      33             : #include <com/sun/star/beans/PropertyValue.hpp>
      34             : 
      35             : #include <com/sun/star/xml/sax/XParser.hpp>
      36             : #include <com/sun/star/xml/sax/InputSource.hpp>
      37             : #include <com/sun/star/xml/XImportFilter.hpp>
      38             : 
      39             : #include <com/sun/star/io/XActiveDataSource.hpp>
      40             : #include <com/sun/star/lang/WrappedTargetRuntimeException.hpp>
      41             : #include <com/sun/star/task/XStatusIndicator.hpp>
      42             : 
      43             : #include <unotools/mediadescriptor.hxx>
      44             : #include <tools/zcodec.hxx>
      45             : 
      46             : using namespace ::com::sun::star;
      47             : using namespace ::svgi;
      48             : 
      49           0 : bool SVGFilter::implImport(const Sequence< PropertyValue >& rDescriptor)
      50             :     throw (RuntimeException, std::exception)
      51             : {
      52           0 :     utl::MediaDescriptor aMediaDescriptor(rDescriptor);
      53           0 :     uno::Reference<io::XInputStream> xInputStream;
      54           0 :     uno::Reference<task::XStatusIndicator> xStatus;
      55             : 
      56           0 :     xInputStream = uno::Reference<io::XInputStream>(aMediaDescriptor[utl::MediaDescriptor::PROP_INPUTSTREAM()], UNO_QUERY);
      57           0 :     xStatus = uno::Reference<task::XStatusIndicator>(aMediaDescriptor[utl::MediaDescriptor::PROP_STATUSINDICATOR()], UNO_QUERY);
      58             : 
      59           0 :     if (isStreamGZip(xInputStream))
      60             :     {
      61           0 :         uno::Reference<io::XSeekable> xSeek(xInputStream, uno::UNO_QUERY);
      62           0 :         if (!xSeek.is())
      63           0 :             return false;
      64           0 :         xSeek->seek(0);
      65             : 
      66           0 :         boost::scoped_ptr<SvStream> aStream(utl::UcbStreamHelper::CreateStream(xInputStream, true ));
      67           0 :         if(!aStream.get())
      68           0 :             return false;
      69             : 
      70           0 :         SvStream* pMemoryStream = new SvMemoryStream;
      71           0 :         ZCodec aCodec;
      72           0 :         aCodec.BeginCompression(ZCODEC_DEFAULT_COMPRESSION, false, true);
      73           0 :         aCodec.Decompress(*aStream.get(), *pMemoryStream);
      74           0 :         aCodec.EndCompression();
      75           0 :         pMemoryStream->Seek(STREAM_SEEK_TO_BEGIN);
      76           0 :         uno::Reference<io::XInputStream> xDecompressedInput(new utl::OSeekableInputStreamWrapper(pMemoryStream, true));
      77           0 :         if (!xDecompressedInput.is())
      78           0 :             return false;
      79           0 :         xInputStream = xDecompressedInput;
      80             :     }
      81             :     else
      82             :     {
      83           0 :         uno::Reference<io::XSeekable> xSeek(xInputStream, uno::UNO_QUERY);
      84           0 :         if (xSeek.is())
      85           0 :             xSeek->seek(0);
      86             :     }
      87             : 
      88             :     OSL_ASSERT(xInputStream.is());
      89           0 :     if(!xInputStream.is())
      90           0 :         return false;
      91             : 
      92           0 :     OUString sXMLImportService ( "com.sun.star.comp.Draw.XMLOasisImporter" );
      93           0 :     Reference < XDocumentHandler > xInternalHandler( mxContext->getServiceManager()->createInstanceWithContext( sXMLImportService, mxContext ), UNO_QUERY );
      94             : 
      95             :     // The XImporter sets up an empty target document for XDocumentHandler to write to..
      96           0 :     uno::Reference < XImporter > xImporter(xInternalHandler, UNO_QUERY);
      97           0 :     xImporter->setTargetDocument(mxDstDoc);
      98             : 
      99           0 :     bool bRet = false;
     100           0 :     SVGReader aReader(mxContext, xInputStream, xInternalHandler);
     101             :     try
     102             :     {
     103           0 :         bRet = aReader.parseAndConvert();
     104             :     }
     105           0 :     catch (const RuntimeException&)
     106             :     {
     107           0 :         throw;
     108             :     }
     109           0 :     catch (const Exception& e)
     110             :     {
     111             :         throw css::lang::WrappedTargetRuntimeException("SVGFilter::implImport non-RuntimeException",
     112           0 :             static_cast<uno::XWeak*>(this), uno::makeAny(e));
     113             :     }
     114           0 :     return bRet;
     115           0 : }
     116             : 
     117             : 
     118             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */