LCOV - code coverage report
Current view: top level - starmath/source - smdetect.cxx (source / functions) Hit Total Coverage
Test: commit c8344322a7af75b84dd3ca8f78b05543a976dfd5 Lines: 39 56 69.6 %
Date: 2015-06-13 12:38:46 Functions: 7 10 70.0 %
Legend: Lines: hit not hit

          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             : #include "smdetect.hxx"
      21             : #include <com/sun/star/lang/XMultiServiceFactory.hpp>
      22             : #include <com/sun/star/beans/PropertyValue.hpp>
      23             : #include <cppuhelper/supportsservice.hxx>
      24             : #include <com/sun/star/io/XInputStream.hpp>
      25             : #include <sfx2/docfile.hxx>
      26             : #include <unotools/mediadescriptor.hxx>
      27             : 
      28             : #include "eqnolefilehdr.hxx"
      29             : 
      30             : using namespace ::com::sun::star;
      31             : using namespace ::com::sun::star::uno;
      32             : using namespace ::com::sun::star::io;
      33             : using namespace ::com::sun::star::task;
      34             : using namespace ::com::sun::star::beans;
      35             : using namespace ::com::sun::star::lang;
      36             : using utl::MediaDescriptor;
      37             : 
      38          84 : SmFilterDetect::SmFilterDetect( const Reference < XMultiServiceFactory >& /*xFactory*/ )
      39             : {
      40          84 : }
      41             : 
      42         168 : SmFilterDetect::~SmFilterDetect()
      43             : {
      44         168 : }
      45             : 
      46          84 : OUString SAL_CALL SmFilterDetect::detect( Sequence< PropertyValue >& lDescriptor ) throw( RuntimeException, std::exception )
      47             : {
      48          84 :     MediaDescriptor aMediaDesc( lDescriptor );
      49         168 :     uno::Reference< io::XInputStream > xInStream ( aMediaDesc[MediaDescriptor::PROP_INPUTSTREAM()], uno::UNO_QUERY );
      50          84 :     if ( !xInStream.is() )
      51           0 :         return OUString();
      52             : 
      53         168 :     SfxMedium aMedium;
      54          84 :     aMedium.UseInteractionHandler( false );
      55          84 :     aMedium.setStreamToLoadFrom( xInStream, true );
      56             : 
      57          84 :     SvStream *pInStrm = aMedium.GetInStream();
      58          84 :     if ( !pInStrm || pInStrm->GetError() )
      59           0 :         return OUString();
      60             : 
      61             :     // Do not attempt to create an SotStorage on a
      62             :     // 0-length stream as that would create the compound
      63             :     // document header on the stream and effectively write to
      64             :     // disk!
      65          84 :     pInStrm->Seek( STREAM_SEEK_TO_BEGIN );
      66          84 :     if ( pInStrm->remainingSize() == 0 )
      67           0 :         return OUString();
      68             : 
      69          84 :     bool bStorageOk = false;
      70             :     try
      71             :     {
      72          84 :         tools::SvRef<SotStorage> aStorage = new SotStorage( pInStrm, false );
      73          84 :         bStorageOk = !aStorage->GetError();
      74          84 :         if (bStorageOk)
      75             :         {
      76           0 :             if ( aStorage->IsStream("Equation Native") )
      77             :             {
      78             :                 sal_uInt8 nVersion;
      79           0 :                 if ( GetMathTypeVersion( aStorage, nVersion ) && nVersion <=3 )
      80           0 :                     return OUString("math_MathType_3x");
      81             :             }
      82          84 :         }
      83             :     }
      84           0 :     catch (const css::ucb::ContentCreationException &e)
      85             :     {
      86             :         SAL_WARN("starmath", "SmFilterDetect::detect caught " << e.Message);
      87             :     }
      88             : 
      89          84 :     if (!bStorageOk)
      90             :     {
      91             :         // 200 should be enough for the XML
      92             :         // version, encoding and !DOCTYPE
      93             :         // stuff I hope?
      94             :         static const sal_uInt16 nBufferSize = 200;
      95             :         char aBuffer[nBufferSize+1];
      96          84 :         aBuffer[nBufferSize] = 0;
      97          84 :         pInStrm->Seek( STREAM_SEEK_TO_BEGIN );
      98          84 :         pInStrm->StartReadingUnicodeText( RTL_TEXTENCODING_DONTKNOW ); // avoid BOM marker
      99          84 :         sal_uLong nBytesRead = pInStrm->Read( aBuffer, nBufferSize );
     100          84 :         if (nBytesRead >= 6)
     101             :         {
     102          84 :             bool bIsMathType = false;
     103          84 :             if (0 == strncmp( "<?xml", aBuffer, 5))
     104           0 :                 bIsMathType = (strstr( aBuffer, "<math>" ) ||
     105           0 :                                strstr( aBuffer, "<math " ) ||
     106           0 :                                strstr( aBuffer, "<math:math " ));
     107             :             else
     108             :                 // this is the old <math tag to MathML in the beginning of the XML file
     109         168 :                 bIsMathType = (0 == strncmp( "<math ", aBuffer, 6) ||
     110         168 :                                0 == strncmp( "<math> ", aBuffer, 7) ||
     111         168 :                                0 == strncmp( "<math:math> ", aBuffer, 12));
     112             : 
     113          84 :             if ( bIsMathType )
     114           0 :                 return OUString("math_MathML_XML_Math");
     115             :         }
     116             :     }
     117             : 
     118         168 :     return OUString();
     119             : }
     120             : 
     121             : /* XServiceInfo */
     122           0 : OUString SAL_CALL SmFilterDetect::getImplementationName() throw( RuntimeException, std::exception )
     123             : {
     124           0 :     return impl_getStaticImplementationName();
     125             : }
     126             : 
     127             : /* XServiceInfo */
     128           0 : sal_Bool SAL_CALL SmFilterDetect::supportsService( const OUString& sServiceName ) throw( RuntimeException, std::exception )
     129             : {
     130           0 :     return cppu::supportsService(this, sServiceName);
     131             : }
     132             : 
     133             : /* XServiceInfo */
     134           0 : Sequence< OUString > SAL_CALL SmFilterDetect::getSupportedServiceNames() throw( RuntimeException, std::exception )
     135             : {
     136           0 :     return impl_getStaticSupportedServiceNames();
     137             : }
     138             : 
     139             : /* Helper for XServiceInfo */
     140           2 : Sequence< OUString > SmFilterDetect::impl_getStaticSupportedServiceNames()
     141             : {
     142           2 :     return Sequence< OUString >{ "com.sun.star.frame.ExtendedTypeDetection" };
     143             : }
     144             : 
     145             : /* Helper for XServiceInfo */
     146           4 : OUString SmFilterDetect::impl_getStaticImplementationName()
     147             : {
     148           4 :     return OUString("com.sun.star.comp.math.FormatDetector");
     149             : }
     150             : 
     151             : /* Helper for registry */
     152          84 : Reference< XInterface > SAL_CALL SmFilterDetect::impl_createInstance( const Reference< XMultiServiceFactory >& xServiceManager ) throw( Exception )
     153             : {
     154          84 :     return Reference< XInterface >( *new SmFilterDetect( xServiceManager ) );
     155             : }
     156             : 
     157             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

Generated by: LCOV version 1.11