sc/inc/rechead.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_SC_INC_RECHEAD_HXX
  21 #define INCLUDED_SC_INC_RECHEAD_HXX
  22
  23 #include <tools/stream.hxx>
  24 #include <memory>
  25
  26 //      ID's for files:
  27
  28 #define SCID_SIZES          0x4200
  29
  30
  31 #define SC_31_EXPORT_VER    0x0012          // version for 3.1-export
  32 // since 4.0
  33 #define SC_FONTCHARSET      0x0101          // Font-CharSets have to be right
  34
  35 // since 5.0
  36 #define SC_MATRIX_DOUBLEREF 0x0202          // DoubleRef implicit intersection
  37 // since 5.2
  38 #define SC_CURRENT_VERSION  0x0205
  39
  40 // all above SC_31_EXPORT_VER has to be queried during saving,
  41 // because 3.1-export writes this version number.
  42
  43 // btw: 10 following 09 is not a counting error but an intentional gap,
  44 // because it was not clear, how long the RelRefs development would take. :)
  45
  46 class SvStream;
  47
  48         //  Header with size specification for multiple objects
  49
  50 class ScMultipleReadHeader
  51 {
  52 private:
  53     SvStream&           rStream;
  54     std::unique_ptr<sal_uInt8[]>
  55                         pBuf;
  56     SvMemoryStream*     pMemStream;
  57     sal_uLong           nEndPos;
  58     sal_uLong           nEntryEnd;
  59     sal_uLong           nTotalEnd;
  60
  61 public:
  62     ScMultipleReadHeader(SvStream& rNewStream);
  63     ~ScMultipleReadHeader();
  64
  65     void    StartEntry();
  66     void    EndEntry();
  67     sal_uLong   BytesLeft() const;
  68 };
  69
  70 class ScMultipleWriteHeader
  71 {
  72 private:
  73     SvStream&       rStream;
  74     SvMemoryStream  aMemStream;
  75     sal_uLong       nDataPos;
  76     sal_uInt32      nDataSize;
  77     sal_uLong       nEntryStart;
  78
  79 public:
  80     ScMultipleWriteHeader(SvStream& rNewStream);
  81     ~ScMultipleWriteHeader();
  82
  83     void    StartEntry();
  84     void    EndEntry();
  85 };
  86
  87 #endif
  88
  89 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */