xmloff/source/core/XMLBase64ImportContext.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_xmloff.hxx"
  33 #include <xmloff/xmlimp.hxx>
  34 #include <xmloff/xmluconv.hxx>
  35 #include <com/sun/star/io/XOutputStream.hpp>
  36 #include <xmloff/XMLBase64ImportContext.hxx>
  37
  38 using ::rtl::OUString;
  39 using ::rtl::OUStringBuffer;
  40
  41 using namespace ::com::sun::star::uno;
  42 using namespace ::com::sun::star::xml::sax;
  43 using namespace ::com::sun::star::io;
  44
  45 //-----------------------------------------------------------------------------
  46
  47 TYPEINIT1( XMLBase64ImportContext, SvXMLImportContext );
  48
  49
  50 XMLBase64ImportContext::XMLBase64ImportContext(
  51         SvXMLImport& rImport, USHORT nPrfx, const OUString& rLName,
  52         const Reference< XAttributeList >&,
  53         const Reference< XOutputStream >& rOut ) :
  54     SvXMLImportContext( rImport, nPrfx, rLName ),
  55     xOut( rOut )
  56 {
  57 }
  58
  59 XMLBase64ImportContext::~XMLBase64ImportContext()
  60 {
  61 }
  62
  63
  64 void XMLBase64ImportContext::EndElement()
  65 {
  66     xOut->closeOutput();
  67 }
  68
  69 void XMLBase64ImportContext::Characters( const ::rtl::OUString& rChars )
  70 {
  71     OUString sTrimmedChars( rChars. trim() );
  72     if( sTrimmedChars.getLength() )
  73     {
  74         OUString sChars;
  75         if( sBase64CharsLeft )
  76         {
  77             sChars = sBase64CharsLeft;
  78             sChars += sTrimmedChars;
  79             sBase64CharsLeft = OUString();
  80         }
  81         else
  82         {
  83             sChars = sTrimmedChars;
  84         }
  85         Sequence< sal_Int8 > aBuffer( (sChars.getLength() / 4) * 3 );
  86         sal_Int32 nCharsDecoded =
  87             GetImport().GetMM100UnitConverter().
  88                 decodeBase64SomeChars( aBuffer, sChars );
  89         xOut->writeBytes( aBuffer );
  90         if( nCharsDecoded != sChars.getLength() )
  91             sBase64CharsLeft = sChars.copy( nCharsDecoded );
  92     }
  93 }
  94