xref: /trunk/main/sfx2/source/bastyp/mieclip.cxx (revision 1ecadb572e7010ff3b3382ad9bf179dbc6efadbb)
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27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_sfx2.hxx"
30 #include <tools/stream.hxx>
31 #include <tools/cachestr.hxx>
32 
33 #include <sot/storage.hxx>
34 #include <sot/formats.hxx>
35 
36 #include <sfx2/mieclip.hxx>
37 #include <sfx2/sfxuno.hxx>
38 
39 MSE40HTMLClipFormatObj::~MSE40HTMLClipFormatObj()
40 {
41     delete pStrm;
42 }
43 
44 SvStream* MSE40HTMLClipFormatObj::IsValid( SvStream& rStream )
45 {
46     sal_Bool bRet = sal_False;
47     if( pStrm )
48         delete pStrm, pStrm = 0;
49 
50     ByteString sLine, sVersion;
51     sal_uIntPtr nStt = 0, nEnd = 0;
52     sal_uInt16 nIndex = 0;
53 
54     rStream.Seek(STREAM_SEEK_TO_BEGIN);
55     rStream.ResetError();
56 
57     if( rStream.ReadLine( sLine ) &&
58         sLine.GetToken( 0, ':', nIndex ) == "Version" )
59     {
60         sVersion = sLine.Copy( nIndex );
61         while( rStream.ReadLine( sLine ) )
62         {
63             nIndex = 0;
64             ByteString sTmp( sLine.GetToken( 0, ':', nIndex ) );
65             if( sTmp == "StartHTML" )
66                 nStt = (sal_uIntPtr)(sLine.Erase( 0, nIndex ).ToInt32());
67             else if( sTmp == "EndHTML" )
68                 nEnd = (sal_uIntPtr)(sLine.Erase( 0, nIndex ).ToInt32());
69             else if( sTmp == "SourceURL" )
70                 sBaseURL = String(S2U(sLine.Erase( 0, nIndex )));
71 
72             if( nEnd && nStt &&
73                 ( sBaseURL.Len() || rStream.Tell() >= nStt ))
74             {
75                 bRet = sal_True;
76                 break;
77             }
78         }
79     }
80 
81     if( bRet )
82     {
83         rStream.Seek( nStt );
84 
85         pStrm = new SvCacheStream( ( nEnd - nStt < 0x10000l
86                                         ? nEnd - nStt + 32
87                                         : 0 ));
88         *pStrm << rStream;
89         pStrm->SetStreamSize( nEnd - nStt + 1L );
90         pStrm->Seek( STREAM_SEEK_TO_BEGIN );
91     }
92 
93     return pStrm;
94 }
95 
96