LCOV - code coverage report
Current view: top level - lotuswordpro/source/filter - lwpobjhdr.cxx (source / functions) Hit Total Coverage
Test: commit c8344322a7af75b84dd3ca8f78b05543a976dfd5 Lines: 56 75 74.7 %
Date: 2015-06-13 12:38:46 Functions: 2 2 100.0 %
Legend: Lines: hit not hit

          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             :  *  For LWP filter architecture prototype
      59             :  ************************************************************************/
      60             : /*************************************************************************
      61             :  * Change History
      62             :  Jan 2005           Created
      63             :  ************************************************************************/
      64             : 
      65             : #include "lwpobjhdr.hxx"
      66             : #include "lwpdefs.hxx"
      67             : #include "lwpfilehdr.hxx"
      68             : 
      69         938 : LwpObjectHeader::LwpObjectHeader()
      70         938 :     : m_nTag(0), m_ID(), m_nSize(0), m_bCompressed(false)
      71             :     // m_nHeaderSize(0), m_nVersionID(0), m_nRefCount(0), m_nFlagBits(0),
      72             :     //m_nNextVersionOffset(0), m_nNextVersionID(0),
      73         938 : {}
      74             : /**
      75             :  * @descr  read header from stream
      76             :   */
      77         938 : bool LwpObjectHeader::Read(LwpSvStream &rStrm)
      78             : {
      79         938 :     sal_uInt32 nVersionID = 0;
      80         938 :     sal_uInt32 nRefCount = 0;
      81         938 :     sal_uInt32 nNextVersionOffset = 0;
      82         938 :     sal_uInt32 nHeaderSize = 0;
      83             : 
      84         938 :     sal_Int64 nStartPos = rStrm.Tell();
      85             : 
      86         938 :     if ( LwpFileHeader::m_nFileRevision < 0x000B)
      87             :     {
      88           6 :         rStrm.ReadUInt32( m_nTag );
      89           6 :         m_ID.Read(&rStrm);
      90           6 :         rStrm.ReadUInt32( nVersionID );
      91           6 :         rStrm.ReadUInt32( nRefCount );
      92           6 :         rStrm.ReadUInt32( nNextVersionOffset );
      93             : 
      94           6 :         nHeaderSize = sizeof(m_nTag) + LwpObjectID::DiskSize()
      95             :             + sizeof(nVersionID)
      96             :             + sizeof(nRefCount)
      97             :             + sizeof(nNextVersionOffset)
      98          12 :             + sizeof(m_nSize);
      99             : 
     100           6 :         if ((m_nTag == TAG_AMI) || ( LwpFileHeader::m_nFileRevision < 0x0006))
     101             :         {
     102           6 :             sal_uInt32 nNextVersionID = 0;
     103           6 :             rStrm.ReadUInt32( nNextVersionID );
     104           6 :             nHeaderSize += sizeof(nNextVersionID);
     105             :         }
     106           6 :         rStrm.ReadUInt32( m_nSize );
     107             :     }
     108             :     else
     109             :     {
     110         932 :         sal_uInt8 nFlagBits = 0;
     111         932 :         sal_uInt16 VOType = 0;
     112         932 :         rStrm.ReadUInt16( VOType );
     113         932 :         rStrm.ReadUInt8( nFlagBits );
     114             : 
     115         932 :         m_nTag = static_cast<sal_uInt32>(VOType);
     116         932 :         m_ID.ReadIndexed(&rStrm);
     117         932 :         nHeaderSize = sizeof(VOType) + sizeof(nFlagBits) + m_ID.DiskSizeIndexed();
     118             : 
     119             :         sal_uInt8 tmpByte;
     120             :         sal_uInt16 tmpShort;
     121         932 :         switch (nFlagBits & VERSION_BITS)
     122             :         {
     123             :             case ONE_BYTE_VERSION:
     124          18 :                 rStrm.ReadUInt8( tmpByte );
     125          18 :                 nVersionID = static_cast<sal_uInt32>( tmpByte );
     126          18 :                 nHeaderSize++;
     127          18 :                 break;
     128             : 
     129             :             case TWO_BYTE_VERSION:
     130           0 :                 rStrm.ReadUInt16( tmpShort );
     131           0 :                 nVersionID = static_cast<sal_uInt32>( tmpShort );
     132           0 :                 nHeaderSize += 2;
     133           0 :                 break;
     134             : 
     135             :             case FOUR_BYTE_VERSION:
     136           0 :                 rStrm.ReadUInt32( nVersionID );
     137           0 :                 nHeaderSize += 4;
     138           0 :                 break;
     139             :             case DEFAULT_VERSION:   //fall through
     140             :             default:
     141         914 :                 nVersionID = 2;
     142         914 :                 break;      // nothing
     143             :         }
     144             : 
     145         932 :         switch (nFlagBits & REFCOUNT_BITS)
     146             :         {
     147             :             case ONE_BYTE_REFCOUNT:
     148         932 :                 rStrm.ReadUInt8( tmpByte );
     149         932 :                 nRefCount = static_cast<sal_uInt32>( tmpByte );
     150         932 :                 nHeaderSize++;
     151         932 :                 break;
     152             : 
     153             :             case TWO_BYTE_REFCOUNT:
     154           0 :                 rStrm.ReadUInt16( tmpShort );
     155           0 :                 nRefCount = static_cast<sal_uInt32>( tmpShort );
     156           0 :                 nHeaderSize += 2;
     157           0 :                 break;
     158             : 
     159             :             case FOUR_BYTE_REFCOUNT:    //through
     160             :             default:
     161           0 :                 rStrm.ReadUInt32( nRefCount );
     162           0 :                 nHeaderSize += 4;
     163           0 :                 break;
     164             :         }
     165             : 
     166         932 :         if (nFlagBits & HAS_PREVOFFSET)
     167             :         {
     168           0 :             rStrm.ReadUInt32( nNextVersionOffset );
     169           0 :             nHeaderSize += 4;
     170             :         }
     171             :         else
     172         932 :             nNextVersionOffset = BAD_OFFSET;
     173             : 
     174         932 :         switch (nFlagBits & SIZE_BITS)
     175             :         {
     176             :             case ONE_BYTE_SIZE:
     177         871 :                 rStrm.ReadUInt8( tmpByte );
     178         871 :                 m_nSize = static_cast<sal_uInt32>( tmpByte );
     179         871 :                 nHeaderSize++;
     180         871 :                 break;
     181             : 
     182             :             case TWO_BYTE_SIZE:
     183          61 :                 rStrm.ReadUInt16( tmpShort );
     184          61 :                 m_nSize = static_cast<sal_uInt32>(tmpShort);
     185          61 :                 nHeaderSize += 2;
     186          61 :                 break;
     187             : 
     188             :             case FOUR_BYTE_SIZE:    //go through
     189             :             default:
     190           0 :                 rStrm.ReadUInt32( m_nSize );
     191           0 :                 nHeaderSize += 4;
     192           0 :                 break;
     193             :         }
     194             : 
     195         932 :         if (nFlagBits & DATA_COMPRESSED)
     196             :         {
     197         925 :             m_bCompressed = true;
     198             :         }
     199             :     }
     200         938 :     sal_Int64 nEndPos = rStrm.Tell();
     201         938 :     return (nStartPos + nHeaderSize == nEndPos);
     202             : }
     203             : 
     204             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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