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_Int32 nStt = -1, nEnd = -1; 48 sal_Int32 nStartFragment = 0, nEndFragment = 0; 49 sal_uInt16 nIndex = 0; 50 51 rStream.Seek(STREAM_SEEK_TO_BEGIN); 52 rStream.ResetError(); 53 54 if( rStream.ReadLine( sLine ) && 55 sLine.GetToken( 0, ':', nIndex ) == "Version" ) 56 { 57 sVersion = sLine.Copy( nIndex ); 58 while( rStream.ReadLine( sLine ) ) 59 { 60 nIndex = 0; 61 ByteString sTmp( sLine.GetToken( 0, ':', nIndex ) ); 62 if( sTmp == "StartHTML" ) 63 nStt = sLine.Erase( 0, nIndex ).ToInt32(); 64 else if( sTmp == "EndHTML" ) 65 nEnd = sLine.Erase( 0, nIndex ).ToInt32(); 66 else if( sTmp == "StartFragment" ) 67 { 68 nStartFragment = sLine.Erase( 0, nIndex ).ToInt32(); 69 if( nStt == -1 ) 70 nStt = nStartFragment; 71 } 72 else if( sTmp == "EndFragment" ) 73 { 74 nEndFragment = sLine.Erase( 0, nIndex ).ToInt32(); 75 if (nEnd == -1 ) 76 nEnd = nEndFragment; 77 } 78 else if( sTmp == "SourceURL" ) 79 sBaseURL = String( sLine.Erase( 0, nIndex ), RTL_TEXTENCODING_UTF8); 80 81 if( nEnd >= 0 && nStt >= 0 && 82 ( sBaseURL.Len() || rStream.Tell() >= (sal_uInt32)nStt )) 83 { 84 bRet = sal_True; 85 break; 86 } 87 } 88 } 89 90 if( bRet ) 91 { 92 rStream.Seek( nStt ); 93 94 pStrm = new SvCacheStream( ( nEnd - nStt < 0x10000l 95 ? nEnd - nStt + 32 96 : 0 )); 97 *pStrm << rStream; 98 pStrm->SetStreamSize( nEnd - nStt + 1L ); 99 pStrm->Seek( STREAM_SEEK_TO_BEGIN ); 100 } 101 102 return pStrm; 103 } 104 105