lotuswordpro/inc/lwpobjid.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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  10  *  Sun Microsystems Inc., October, 2000
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  12  *  GNU Lesser General Public License Version 2.1
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  14  *  Copyright 2000 by Sun Microsystems, Inc.
  15  *  901 San Antonio Road, Palo Alto, CA 94303, USA
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  17  *  This library is free software; you can redistribute it and/or
  18  *  modify it under the terms of the GNU Lesser General Public
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  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.
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  39  *  Software provided under this License is provided on an "AS IS" basis,
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  46  *  The Initial Developer of the Original Code is: IBM Corporation
  47  *
  48  *  Copyright: 2008 by IBM Corporation
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  50  *  All Rights Reserved.
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  52  *  Contributor(s): _______________________________________
  53  *
  54  *
  55  ************************************************************************/
  56 /*************************************************************************
  57  * @file
  58  *  For LWP filter architecture prototype
  59  ************************************************************************/
  60
  61 #ifndef INCLUDED_LOTUSWORDPRO_INC_LWPOBJID_HXX
  62 #define INCLUDED_LOTUSWORDPRO_INC_LWPOBJID_HXX
  63
  64 #include <sal/config.h>
  65
  66 #include <rtl/ref.hxx>
  67
  68 #include "lwpheader.hxx"
  69 #include "lwpobjstrm.hxx"
  70 #include "lwpdefs.hxx"
  71
  72 class LwpObject;
  73
  74 /**
  75  * @brief   object id class
  76 */
  77 class LwpObjectID
  78 {
  79 public:
  80     LwpObjectID();
  81 private:
  82     sal_uInt32 m_nLow;
  83     sal_uInt16 m_nHigh;
  84     sal_uInt8 m_nIndex;
  85     bool m_bIsCompressed;
  86 public:
  87     void Read( LwpSvStream *pStrm );
  88     sal_uInt32 Read( LwpObjectStream *pStrm );
  89     void ReadIndexed( LwpSvStream* pStrm );
  90     sal_uInt32 ReadIndexed( LwpObjectStream *pStrm );
  91     void ReadCompressed( LwpObjectStream* pObj, LwpObjectID const & prev );
  92
  93     /**
  94      * @descr       return the size of object id with format: low(4bytes)+high(2bytes)
  95     */
  96     static sal_uInt32 DiskSize() { return sizeof(sal_uInt32) + sizeof(sal_uInt16); } // sizeof(m_nLow) + sizeof(m_nHigh)
  97     sal_uInt32 DiskSizeIndexed() const;
  98     bool IsNull() const;
  99
 100     sal_uInt32 GetLow() const ;
 101     sal_uInt16 GetHigh() const ;
 102
 103     bool operator == (const LwpObjectID &Other) const;
 104     bool operator != (const LwpObjectID &Other) const;
 105     rtl::Reference<LwpObject> obj(VO_TYPE tag=VO_INVALID) const;
 106     size_t HashCode() const;
 107 };
 108
 109 inline bool LwpObjectID::IsNull() const
 110 {
 111     return (m_nLow == 0) && (m_nHigh == 0);
 112 }
 113
 114 inline bool LwpObjectID::operator == (const LwpObjectID &Other) const
 115 {
 116     return (m_nHigh == Other.m_nHigh) && (m_nLow == Other.m_nLow);
 117 }
 118
 119 inline bool LwpObjectID::operator != (const LwpObjectID &Other) const
 120 {
 121     return (m_nHigh != Other.m_nHigh) || (m_nLow != Other.m_nLow);
 122 }
 123
 124 inline sal_uInt32 LwpObjectID::GetLow() const
 125 {
 126     return m_nLow;
 127 }
 128
 129 inline sal_uInt16 LwpObjectID::GetHigh() const
 130 {
 131     return m_nHigh;
 132 }
 133
 134 inline size_t LwpObjectID::HashCode() const
 135 {
 136     return static_cast<size_t>(
 137         (m_nIndex == 0 ? 23 * m_nLow : 27 * m_nIndex) + 29 * m_nHigh);
 138 }
 139
 140 #endif
 141
 142 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */