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27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_xmloff.hxx"
30 #include <xmloff/xmlimp.hxx>
31 #include <xmloff/xmluconv.hxx>
32 #include <com/sun/star/io/XOutputStream.hpp>
33 #include <xmloff/XMLBase64ImportContext.hxx>
34 
35 using ::rtl::OUString;
36 using ::rtl::OUStringBuffer;
37 
38 using namespace ::com::sun::star::uno;
39 using namespace ::com::sun::star::xml::sax;
40 using namespace ::com::sun::star::io;
41 
42 //-----------------------------------------------------------------------------
43 
44 TYPEINIT1( XMLBase64ImportContext, SvXMLImportContext );
45 
46 
47 XMLBase64ImportContext::XMLBase64ImportContext(
48 		SvXMLImport& rImport, sal_uInt16 nPrfx, const OUString& rLName,
49 		const Reference< XAttributeList >&,
50 		const Reference< XOutputStream >& rOut ) :
51 	SvXMLImportContext( rImport, nPrfx, rLName ),
52 	xOut( rOut )
53 {
54 }
55 
56 XMLBase64ImportContext::~XMLBase64ImportContext()
57 {
58 }
59 
60 
61 void XMLBase64ImportContext::EndElement()
62 {
63 	xOut->closeOutput();
64 }
65 
66 void XMLBase64ImportContext::Characters( const ::rtl::OUString& rChars )
67 {
68 	OUString sTrimmedChars( rChars. trim() );
69 	if( sTrimmedChars.getLength() )
70 	{
71 		OUString sChars;
72 		if( sBase64CharsLeft )
73 		{
74 			sChars = sBase64CharsLeft;
75 			sChars += sTrimmedChars;
76 			sBase64CharsLeft = OUString();
77 		}
78 		else
79 		{
80 			sChars = sTrimmedChars;
81 		}
82 		Sequence< sal_Int8 > aBuffer( (sChars.getLength() / 4) * 3 );
83 		sal_Int32 nCharsDecoded =
84 			GetImport().GetMM100UnitConverter().
85 				decodeBase64SomeChars( aBuffer, sChars );
86 		xOut->writeBytes( aBuffer );
87 		if( nCharsDecoded != sChars.getLength() )
88 			sBase64CharsLeft = sChars.copy( nCharsDecoded );
89 	}
90 }
91 
92