xmloff/source/core/XMLBase64Export.cxx

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   9  * $RCSfile: XMLBase64Export.cxx,v $
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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_xmloff.hxx"
  33 #include <rtl/ustrbuf.hxx>
  34 #include <com/sun/star/io/XInputStream.hpp>
  35 #include <xmloff/xmluconv.hxx>
  36 #include <xmloff/xmlexp.hxx>
  37 #include "xmlnmspe.hxx"
  38 #include "XMLBase64Export.hxx"
  39
  40 using namespace ::com::sun::star::uno;
  41 using namespace ::com::sun::star::io;
  42 using ::rtl::OUString;
  43 using ::rtl::OUStringBuffer;
  44
  45 #define INPUT_BUFFER_SIZE 54
  46 #define OUTPUT_BUFFER_SIZE 72
  47
  48 XMLBase64Export::XMLBase64Export( SvXMLExport& rExp ) :
  49     rExport( rExp ){
  50 }
  51
  52 sal_Bool XMLBase64Export::exportXML( const Reference < XInputStream> & rIn )
  53 {
  54     sal_Bool bRet = sal_True;
  55     try
  56     {
  57         Sequence < sal_Int8 > aInBuff( INPUT_BUFFER_SIZE );
  58         OUStringBuffer aOutBuff( OUTPUT_BUFFER_SIZE );
  59         sal_Int32 nRead;
  60         do
  61         {
  62             nRead = rIn->readBytes( aInBuff, INPUT_BUFFER_SIZE );
  63             if( nRead > 0 )
  64             {
  65                 GetExport().GetMM100UnitConverter().encodeBase64( aOutBuff,
  66                                                                   aInBuff );
  67                 GetExport().Characters( aOutBuff.makeStringAndClear() );
  68                 if( nRead == INPUT_BUFFER_SIZE )
  69                     GetExport().IgnorableWhitespace();
  70             }
  71         }
  72         while( nRead == INPUT_BUFFER_SIZE );
  73     }
  74     catch( ... )
  75     {
  76         bRet = sal_False;
  77     }
  78
  79     return bRet;
  80 }
  81
  82 sal_Bool XMLBase64Export::exportElement(
  83             const Reference < XInputStream > & rIn,
  84             sal_uInt16 nNamespace,
  85             enum ::xmloff::token::XMLTokenEnum eName )
  86 {
  87     SvXMLElementExport aElem( GetExport(), nNamespace, eName, sal_True,
  88                               sal_True );
  89     return exportXML( rIn );
  90 }
  91
  92 sal_Bool XMLBase64Export::exportOfficeBinaryDataElement(
  93             const Reference < XInputStream > & rIn )
  94 {
  95     return exportElement( rIn, XML_NAMESPACE_OFFICE,
  96                              ::xmloff::token::XML_BINARY_DATA );
  97 }
  98