sw/source/filter/ww8/WW8Sttbf.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_SW_SOURCE_FILTER_WW8_WW8STTBF_HXX
  21 #define INCLUDED_SW_SOURCE_FILTER_WW8_WW8STTBF_HXX
  22
  23 #include <memory>
  24 #include <vector>
  25
  26 #include <rtl/ustring.hxx>
  27 #include <IDocumentExternalData.hxx>
  28
  29 class SvStream;
  30
  31 namespace ww8
  32 {
  33
  34     class WW8Struct : public ::sw::ExternalData
  35     {
  36         std::shared_ptr<sal_uInt8> m_pData;
  37         sal_uInt32 mn_offset;
  38         sal_uInt32 mn_size;
  39
  40     public:
  41         WW8Struct(SvStream& rSt, sal_uInt32 nPos, sal_uInt32 nSize);
  42         WW8Struct(WW8Struct const * pStruct, sal_uInt32 nPos, sal_uInt32 nSize);
  43         virtual ~WW8Struct() override;
  44
  45         sal_uInt8 getU8(sal_uInt32 nOffset);
  46
  47         sal_uInt16 getU16(sal_uInt32 nOffset)
  48         { return getU8(nOffset) + (getU8(nOffset + 1) << 8); }
  49
  50         OUString getUString(sal_uInt32 nOffset, sal_Int32 nCount);
  51     };
  52
  53     template <class T>
  54     class WW8Sttb : public WW8Struct
  55     {
  56         typedef std::shared_ptr< void > ExtraPointer_t;
  57         bool                            m_bDoubleByteCharacters;
  58         std::vector<OUString>           m_Strings;
  59         std::vector< ExtraPointer_t >   m_Extras;
  60
  61     public:
  62         WW8Sttb(SvStream& rSt, sal_Int32 nPos, sal_uInt32 nSize);
  63         virtual ~WW8Sttb() override;
  64
  65         std::vector<OUString> & getStrings()
  66         {
  67             return m_Strings;
  68         }
  69     };
  70
  71     template <class T>
  72     WW8Sttb<T>::WW8Sttb(SvStream& rSt, sal_Int32 nPos, sal_uInt32 nSize)
  73     : WW8Struct(rSt, nPos, nSize), m_bDoubleByteCharacters(false)
  74     {
  75         sal_uInt32 nOffset = 0;
  76
  77         if (getU16(nOffset) == 0xffff)
  78         {
  79             m_bDoubleByteCharacters = true;
  80             nOffset += 2;
  81         }
  82
  83         sal_uInt16 nCount = getU16(nOffset);
  84         sal_uInt16 ncbExtra = getU16(nOffset + 2);
  85
  86         nOffset += 4;
  87         for (sal_uInt16 i = 0; i < nCount; i++)
  88         {
  89             if (m_bDoubleByteCharacters)
  90             {
  91                 sal_uInt16 nStrLen = getU16(nOffset);
  92
  93                 m_Strings.push_back(getUString(nOffset +2, nStrLen));
  94
  95                 nOffset += 2 + 2 * nStrLen;
  96             }
  97             else
  98             {
  99                 sal_uInt8 nStrLen = getU8(nOffset);
 100
 101                 m_Strings.push_back(getUString(nOffset, nStrLen));
 102
 103                 nOffset += 1 + nStrLen;
 104             }
 105
 106             if (ncbExtra > 0)
 107             {
 108                 ExtraPointer_t pExtra = std::make_shared<T>(this, nOffset, ncbExtra);
 109                 m_Extras.push_back(pExtra);
 110
 111                 nOffset += ncbExtra;
 112             }
 113         }
 114     }
 115
 116     template <class T>
 117     WW8Sttb<T>::~WW8Sttb()
 118     {
 119     }
 120 }
 121
 122 #endif // INCLUDED_SW_SOURCE_FILTER_WW8_WW8STTBF_HXX
 123
 124 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */