Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*************************************************************************
       3             :  *
       4             :  *  The Contents of this file are made available subject to the terms of
       5             :  *  either of the following licenses
       6             :  *
       7             :  *         - GNU Lesser General Public License Version 2.1
       8             :  *         - Sun Industry Standards Source License Version 1.1
       9             :  *
      10             :  *  Sun Microsystems Inc., October, 2000
      11             :  *
      12             :  *  GNU Lesser General Public License Version 2.1
      13             :  *  =============================================
      14             :  *  Copyright 2000 by Sun Microsystems, Inc.
      15             :  *  901 San Antonio Road, Palo Alto, CA 94303, USA
      16             :  *
      17             :  *  This library is free software; you can redistribute it and/or
      18             :  *  modify it under the terms of the GNU Lesser General Public
      19             :  *  License version 2.1, as published by the Free Software Foundation.
      20             :  *
      21             :  *  This library is distributed in the hope that it will be useful,
      22             :  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
      23             :  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      24             :  *  Lesser General Public License for more details.
      25             :  *
      26             :  *  You should have received a copy of the GNU Lesser General Public
      27             :  *  License along with this library; if not, write to the Free Software
      28             :  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
      29             :  *  MA  02111-1307  USA
      30             :  *
      31             :  *
      32             :  *  Sun Industry Standards Source License Version 1.1
      33             :  *  =================================================
      34             :  *  The contents of this file are subject to the Sun Industry Standards
      35             :  *  Source License Version 1.1 (the "License"); You may not use this file
      36             :  *  except in compliance with the License. You may obtain a copy of the
      37             :  *  License at http://www.openoffice.org/license.html.
      38             :  *
      39             :  *  Software provided under this License is provided on an "AS IS" basis,
      40             :  *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
      41             :  *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
      42             :  *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
      43             :  *  See the License for the specific provisions governing your rights and
      44             :  *  obligations concerning the Software.
      45             :  *
      46             :  *  The Initial Developer of the Original Code is: IBM Corporation
      47             :  *
      48             :  *  Copyright: 2008 by IBM Corporation
      49             :  *
      50             :  *  All Rights Reserved.
      51             :  *
      52             :  *  Contributor(s): _______________________________________
      53             :  *
      54             :  *
      55             :  ************************************************************************/
      56             : /*************************************************************************
      57             :  * @file
      58             :  *  object stream header file
      59             :  *  stream for one LwpObject body data
      60             :  ************************************************************************/
      61             : /*************************************************************************
      62             :  * Change History
      63             :  Jan 2005           Created
      64             :  ************************************************************************/
      65             : 
      66             : #ifndef INCLUDED_LOTUSWORDPRO_SOURCE_FILTER_LWPOBJSTRM_HXX
      67             : #define INCLUDED_LOTUSWORDPRO_SOURCE_FILTER_LWPOBJSTRM_HXX
      68             : 
      69             : #include "lwpheader.hxx"
      70             : #include "lwpsvstream.hxx"
      71             : /**
      72             :  * @brief   stream class for LwpObject body data
      73             :  *          provide stream like interface to read object data
      74             : */
      75             : class LwpObjectStream
      76             : {
      77             : public:
      78             :     LwpObjectStream(LwpSvStream *pStrm, bool isCompressed, sal_uInt16 size);
      79             :     ~LwpObjectStream();
      80             : private:
      81             :     sal_uInt8* m_pContentBuf;           //The content buffer of the object
      82             :     sal_uInt8 m_SmallBuffer[100];       //To avoid frequent new
      83             :     enum
      84             :     {
      85             :         IO_BUFFERSIZE = 0xFF00      //Refer to LWP, not sure if it is enough
      86             :     };
      87             :     sal_uInt16 m_nBufSize;              //The total size of m_pContentBuf
      88             :     sal_uInt16 m_nReadPos;          //The position of the quick read
      89             :     LwpSvStream* m_pStrm;
      90             :     bool m_bCompressed;
      91             : public:
      92             :     sal_uInt16 QuickRead(void* buf, sal_uInt16 len);
      93         903 :     sal_uInt16 GetPos() { return m_nReadPos; }
      94             :     void SeekRel(sal_uInt16 pos);
      95             :     bool Seek( sal_uInt16 pos);
      96             :     void SkipExtra();
      97             :     sal_uInt16 CheckExtra();
      98             : 
      99             :     bool QuickReadBool(bool *pFailure=NULL);
     100             :     sal_uInt32 QuickReaduInt32(bool *pFailure=NULL);
     101             :     sal_uInt16 QuickReaduInt16(bool *pFailure=NULL);
     102             :     sal_uInt8 QuickReaduInt8(bool *pFailure=NULL);
     103             :     sal_Int32 QuickReadInt32(bool *pFailure=NULL);
     104             :     sal_Int16 QuickReadInt16(bool *pFailure=NULL);
     105             :     double QuickReadDouble(bool *pFailure=NULL);
     106             : 
     107             :     OUString QuickReadStringPtr();
     108             :     void QuickReadStringWithMax(unsigned char * pString, sal_uInt16 MaxLen);
     109             : 
     110             : public:
     111             :     void ReadComplete();
     112             :     LwpSvStream *GetStream();
     113             : private:
     114             :     void ReadStream();
     115             :     void Read2Buffer();
     116             :     sal_uInt8* AllocBuffer(sal_uInt16 size);
     117             :     static sal_uInt16 DecompressBuffer(sal_uInt8* pDst, sal_uInt8* pSrc, sal_uInt16 Size);
     118             :     void ReleaseBuffer();
     119             : };
     120             : 
     121           0 : inline LwpSvStream *LwpObjectStream::GetStream()
     122             : {
     123           0 :     return m_pStrm;
     124             : }
     125             : #endif
     126             : 
     127             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */