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 #pragma once
  21
  22 #include <tools/stream.hxx>
  23 #include <memory>
  24
  25 //      ID's for files:
  26
  27 #define SCID_SIZES          0x4200
  28
  29
  30 #define SC_31_EXPORT_VER    0x0012          // version for 3.1-export
  31 // since 4.0
  32 #define SC_FONTCHARSET      0x0101          // Font-CharSets have to be right
  33
  34 // since 5.0
  35 #define SC_MATRIX_DOUBLEREF 0x0202          // DoubleRef implicit intersection
  36 // since 5.2
  37 #define SC_CURRENT_VERSION  0x0205
  38
  39 // all above SC_31_EXPORT_VER has to be queried during saving,
  40 // because 3.1-export writes this version number.
  41
  42 // btw: 10 following 09 is not a counting error but an intentional gap,
  43 // because it was not clear, how long the RelRefs development would take. :)
  44
  45         //  Header with size specification for multiple objects
  46
  47 class ScMultipleReadHeader
  48 {
  49 private:
  50     SvStream&           rStream;
  51     std::unique_ptr<sal_uInt8[]>
  52                         pBuf;
  53     std::unique_ptr<SvMemoryStream>
  54                         pMemStream;
  55     sal_uInt64          nEndPos;
  56     sal_uInt64          nEntryEnd;
  57     sal_uInt64          nTotalEnd;
  58
  59 public:
  60     ScMultipleReadHeader(SvStream& rNewStream);
  61     ~ScMultipleReadHeader();
  62
  63     void    StartEntry();
  64     void    EndEntry();
  65     sal_uInt64  BytesLeft() const;
  66 };
  67
  68 class ScMultipleWriteHeader
  69 {
  70 private:
  71     SvStream&       rStream;
  72     SvMemoryStream  aMemStream;
  73     sal_uInt64      nDataPos;
  74     sal_uInt32      nDataSize;
  75     sal_uInt64      nEntryStart;
  76
  77 public:
  78     ScMultipleWriteHeader(SvStream& rNewStream);
  79     ~ScMultipleWriteHeader();
  80
  81     void    StartEntry();
  82     void    EndEntry();
  83 };
  84
  85 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */