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27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_xmloff.hxx"
30 #include <rtl/ustrbuf.hxx>
31 #include <com/sun/star/io/XInputStream.hpp>
32 #include <xmloff/xmluconv.hxx>
33 #include <xmloff/xmlexp.hxx>
34 #include "xmloff/xmlnmspe.hxx"
35 #include "XMLBase64Export.hxx"
36 
37 using namespace ::com::sun::star::uno;
38 using namespace ::com::sun::star::io;
39 using ::rtl::OUString;
40 using ::rtl::OUStringBuffer;
41 
42 #define INPUT_BUFFER_SIZE 54
43 #define OUTPUT_BUFFER_SIZE 72
44 
45 XMLBase64Export::XMLBase64Export( SvXMLExport& rExp ) :
46 	rExport( rExp ){
47 }
48 
49 sal_Bool XMLBase64Export::exportXML( const Reference < XInputStream> & rIn )
50 {
51 	sal_Bool bRet = sal_True;
52 	try
53 	{
54 		Sequence < sal_Int8 > aInBuff( INPUT_BUFFER_SIZE );
55 		OUStringBuffer aOutBuff( OUTPUT_BUFFER_SIZE );
56 		sal_Int32 nRead;
57 		do
58 		{
59 			nRead = rIn->readBytes( aInBuff, INPUT_BUFFER_SIZE );
60 			if( nRead > 0 )
61 			{
62 				GetExport().GetMM100UnitConverter().encodeBase64( aOutBuff,
63 																  aInBuff );
64 				GetExport().Characters( aOutBuff.makeStringAndClear() );
65 				if( nRead == INPUT_BUFFER_SIZE )
66 					GetExport().IgnorableWhitespace();
67 			}
68 		}
69 		while( nRead == INPUT_BUFFER_SIZE );
70 	}
71 	catch( ... )
72 	{
73 		bRet = sal_False;
74 	}
75 
76 	return bRet;
77 }
78 
79 sal_Bool XMLBase64Export::exportElement(
80 			const Reference < XInputStream > & rIn,
81 			sal_uInt16 nNamespace,
82 			enum ::xmloff::token::XMLTokenEnum eName )
83 {
84 	SvXMLElementExport aElem( GetExport(), nNamespace, eName, sal_True,
85 							  sal_True );
86 	return exportXML( rIn );
87 }
88 
89 sal_Bool XMLBase64Export::exportOfficeBinaryDataElement(
90 			const Reference < XInputStream > & rIn )
91 {
92 	return exportElement( rIn, XML_NAMESPACE_OFFICE,
93 				   		  ::xmloff::token::XML_BINARY_DATA );
94 }
95 
96