lotuswordpro/source/filter/lwptabrack.cxx

   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
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   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
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  24  *  Lesser General Public License for more details.
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  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  * Tabrack for LwpTabPiece object.
  59  ************************************************************************/
  60 #include "lwptabrack.hxx"
  61 #include <lwpobjstrm.hxx>
  62
  63 #include <stdexcept>
  64
  65 LwpTab::LwpTab()
  66   : m_nX(0),
  67     m_nType(0),
  68     m_nLeader(0),
  69     m_nRelativeType(0),
  70     m_nAlignChar(0)      //be careful,not quite sure it's 8-bit,perhaps 16-bit.
  71 {
  72 }
  73
  74 void    LwpTab::Read(LwpObjectStream *pStrm)
  75 {
  76     m_nX = pStrm->QuickReaduInt32();
  77     m_nType = pStrm->QuickReaduInt8();
  78     m_nLeader = pStrm->QuickReaduInt8();
  79     m_nRelativeType = pStrm->QuickReaduInt8();
  80     m_nAlignChar = pStrm->QuickReaduInt16();
  81 }
  82
  83 LwpTabRack::LwpTabRack(LwpObjectHeader objHdr, LwpSvStream* pStrm)
  84    : LwpObject(objHdr,pStrm),
  85      m_nNumTabs(0)
  86 {
  87 }
  88
  89 void LwpTabRack::Read()
  90 {
  91     m_NextID.ReadIndexed(m_pObjStrm.get());
  92
  93     m_nNumTabs = m_pObjStrm->QuickReaduInt16();
  94     if (m_nNumTabs > MaxTabs)
  95         throw std::range_error("corrupt LwpTabRack");
  96     for (int i=0; i<m_nNumTabs; ++i)
  97     {
  98         m_aTabs[i].Read(m_pObjStrm.get());
  99         m_pObjStrm->SkipExtra();
 100     }
 101     m_pObjStrm->SkipExtra();
 102 }
 103
 104 LwpTab* LwpTabRack::Lookup(sal_uInt16 nIndex)
 105 {
 106     /* Is the tab in this tabrack? */
 107     if(nIndex<m_nNumTabs)
 108     {
 109         return &m_aTabs[nIndex];
 110     }
 111     //return NULL;
 112     /* It's not in this tabrack, so get it out of our next. */
 113     if (!GetNext())
 114         return nullptr;        /* ouch */
 115
 116     return GetNext()->Lookup(nIndex - m_nNumTabs);
 117 }
 118
 119 LwpTabRack* LwpTabRack::GetNext()
 120 {
 121     return dynamic_cast<LwpTabRack*>(m_NextID.obj().get());
 122 }
 123
 124 sal_uInt16 LwpTabRack::GetNumTabs()
 125 {
 126     sal_uInt16 nNum=0;
 127     if(GetNext())
 128     {
 129         nNum = GetNext()->GetNumTabs();
 130     }
 131     return m_nNumTabs+nNum;
 132 }
 133
 134 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */