69b12a6eb3
Change-Id: I3110b452b6c81fb7e5c10f6ba98ce521c51c0427 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/105690 Reviewed-by: Christian Lohmaier <lohmaier+LibreOffice@googlemail.com> Tested-by: Jenkins
127 lines
4.4 KiB
C++
127 lines
4.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: IBM Corporation
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*
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* Copyright: 2008 by IBM Corporation
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************/
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/*************************************************************************
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* @file
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* object stream header file
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* stream for one LwpObject body data
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************************************************************************/
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#ifndef INCLUDED_LOTUSWORDPRO_INC_LWPOBJSTRM_HXX
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#define INCLUDED_LOTUSWORDPRO_INC_LWPOBJSTRM_HXX
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#include <config_lgpl.h>
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#include <rtl/ustring.hxx>
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#include <vector>
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#include "lwpsvstream.hxx"
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/**
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* @brief stream class for LwpObject body data
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* provide stream like interface to read object data
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*/
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class LwpObjectStream
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{
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public:
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LwpObjectStream(LwpSvStream* pStrm, bool isCompressed, sal_uInt16 size);
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~LwpObjectStream();
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private:
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sal_uInt8* m_pContentBuf; //The content buffer of the object
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sal_uInt8 m_SmallBuffer[100]; //To avoid frequent new
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std::vector<sal_uInt8> m_BigBuffer; //otherwise use this
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enum
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{
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IO_BUFFERSIZE = 0xFF00 //Refer to LWP, not sure if it is enough
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};
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sal_uInt16 m_nBufSize; //The total size of m_pContentBuf
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sal_uInt16 m_nReadPos; //The position of the quick read
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LwpSvStream* m_pStrm;
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bool m_bCompressed;
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public:
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sal_uInt16 remainingSize() const;
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sal_uInt16 QuickRead(void* buf, sal_uInt16 len);
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sal_uInt16 GetPos() const { return m_nReadPos; }
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void SeekRel(sal_uInt16 pos);
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void Seek(sal_uInt16 pos);
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void SkipExtra();
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sal_uInt16 CheckExtra();
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bool QuickReadBool();
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sal_uInt32 QuickReaduInt32(bool* pFailure = nullptr);
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sal_uInt16 QuickReaduInt16(bool* pFailure = nullptr);
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sal_uInt8 QuickReaduInt8(bool* pFailure = nullptr);
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sal_Int32 QuickReadInt32();
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sal_Int16 QuickReadInt16();
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double QuickReadDouble();
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OUString QuickReadStringPtr();
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void ReadComplete();
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LwpSvStream* GetStream();
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private:
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void Read2Buffer();
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sal_uInt8* AllocBuffer(sal_uInt16 size);
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static sal_uInt16 DecompressBuffer(sal_uInt8* pDst, sal_uInt8* pSrc, sal_uInt16 Size);
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void ReleaseBuffer();
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};
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inline LwpSvStream* LwpObjectStream::GetStream() { return m_pStrm; }
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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