xmloff/source/core/XMLBase64ImportContext.cxx

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  28
  29
  30 #include <com/sun/star/io/XOutputStream.hpp>
  31
  32 #include <sax/tools/converter.hxx>
  33
  34 #include <xmloff/xmlimp.hxx>
  35 #include <xmloff/XMLBase64ImportContext.hxx>
  36
  37 using ::rtl::OUString;
  38 using ::rtl::OUStringBuffer;
  39
  40 using namespace ::com::sun::star::uno;
  41 using namespace ::com::sun::star::xml::sax;
  42 using namespace ::com::sun::star::io;
  43
  44 //-----------------------------------------------------------------------------
  45
  46 TYPEINIT1( XMLBase64ImportContext, SvXMLImportContext );
  47
  48
  49 XMLBase64ImportContext::XMLBase64ImportContext(
  50         SvXMLImport& rImport, sal_uInt16 nPrfx, const OUString& rLName,
  51         const Reference< XAttributeList >&,
  52         const Reference< XOutputStream >& rOut ) :
  53     SvXMLImportContext( rImport, nPrfx, rLName ),
  54     xOut( rOut )
  55 {
  56 }
  57
  58 XMLBase64ImportContext::~XMLBase64ImportContext()
  59 {
  60 }
  61
  62
  63 void XMLBase64ImportContext::EndElement()
  64 {
  65     xOut->closeOutput();
  66 }
  67
  68 void XMLBase64ImportContext::Characters( const ::rtl::OUString& rChars )
  69 {
  70     OUString sTrimmedChars( rChars. trim() );
  71     if( !sTrimmedChars.isEmpty() )
  72     {
  73         OUString sChars;
  74         if( !sBase64CharsLeft.isEmpty() )
  75         {
  76             sChars = sBase64CharsLeft;
  77             sChars += sTrimmedChars;
  78             sBase64CharsLeft = OUString();
  79         }
  80         else
  81         {
  82             sChars = sTrimmedChars;
  83         }
  84         Sequence< sal_Int8 > aBuffer( (sChars.getLength() / 4) * 3 );
  85                 sal_Int32 const nCharsDecoded =
  86                                 ::sax::Converter::decodeBase64SomeChars( aBuffer, sChars );
  87         xOut->writeBytes( aBuffer );
  88         if( nCharsDecoded != sChars.getLength() )
  89             sBase64CharsLeft = sChars.copy( nCharsDecoded );
  90     }
  91 }
  92
  93
  94 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */