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