1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 // MARKER(update_precomp.py): autogen include statement, do not remove 25 #include "precompiled_sfx2.hxx" 26 #include <tools/stream.hxx> 27 #include <tools/cachestr.hxx> 28 29 #include <sot/storage.hxx> 30 #include <sot/formats.hxx> 31 32 #include <sfx2/mieclip.hxx> 33 #include <sfx2/sfxuno.hxx> 34 35 MSE40HTMLClipFormatObj::~MSE40HTMLClipFormatObj() 36 { 37 delete pStrm; 38 } 39 40 SvStream* MSE40HTMLClipFormatObj::IsValid( SvStream& rStream ) 41 { 42 sal_Bool bRet = sal_False; 43 if( pStrm ) 44 delete pStrm, pStrm = 0; 45 46 ByteString sLine, sVersion; 47 sal_uIntPtr nStt = 0, nEnd = 0; 48 sal_uInt16 nIndex = 0; 49 50 rStream.Seek(STREAM_SEEK_TO_BEGIN); 51 rStream.ResetError(); 52 53 if( rStream.ReadLine( sLine ) && 54 sLine.GetToken( 0, ':', nIndex ) == "Version" ) 55 { 56 sVersion = sLine.Copy( nIndex ); 57 while( rStream.ReadLine( sLine ) ) 58 { 59 nIndex = 0; 60 ByteString sTmp( sLine.GetToken( 0, ':', nIndex ) ); 61 if( sTmp == "StartHTML" ) 62 nStt = (sal_uIntPtr)(sLine.Erase( 0, nIndex ).ToInt32()); 63 else if( sTmp == "EndHTML" ) 64 nEnd = (sal_uIntPtr)(sLine.Erase( 0, nIndex ).ToInt32()); 65 else if( sTmp == "SourceURL" ) 66 sBaseURL = String( sLine.Erase( 0, nIndex ), RTL_TEXTENCODING_UTF8); 67 68 if( nEnd && nStt && 69 ( sBaseURL.Len() || rStream.Tell() >= nStt )) 70 { 71 bRet = sal_True; 72 break; 73 } 74 } 75 } 76 77 if( bRet ) 78 { 79 rStream.Seek( nStt ); 80 81 pStrm = new SvCacheStream( ( nEnd - nStt < 0x10000l 82 ? nEnd - nStt + 32 83 : 0 )); 84 *pStrm << rStream; 85 pStrm->SetStreamSize( nEnd - nStt + 1L ); 86 pStrm->Seek( STREAM_SEEK_TO_BEGIN ); 87 } 88 89 return pStrm; 90 } 91 92