/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project .
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License , v . 2 . 0 . If a copy of the MPL was not distributed with this
* file , You can obtain one at http : //mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice :
*
* Licensed to the Apache Software Foundation ( ASF ) under one or more
* contributor license agreements . See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership . The ASF licenses this file to you under the Apache
* License , Version 2 . 0 ( the " License " ) ; you may not use this file
* except in compliance with the License . You may obtain a copy of
* the License at http : //www.apache.org/licenses/LICENSE-2.0 .
*/
#pragma once
#include <tools/stream.hxx>
#include <memory>
// ID's for files:
#define SCID_SIZES 0 x4200
#define SC_31_EXPORT_VER 0 x0012 // version for 3.1-export
// since 4.0
#define SC_FONTCHARSET 0 x0101 // Font-CharSets have to be right
// since 5.0
#define SC_MATRIX_DOUBLEREF 0 x0202 // DoubleRef implicit intersection
// since 5.2
#define SC_CURRENT_VERSION 0 x0205
// all above SC_31_EXPORT_VER has to be queried during saving,
// because 3.1-export writes this version number.
// btw: 10 following 09 is not a counting error but an intentional gap,
// because it was not clear, how long the RelRefs development would take. :)
// Header with size specification for multiple objects
class ScMultipleReadHeader
{
private :
SvStream& rStream;
std::unique_ptr<sal_uInt8[]>
pBuf;
std::unique_ptr<SvMemoryStream>
pMemStream;
sal_uInt64 nEndPos;
sal_uInt64 nEntryEnd;
sal_uInt64 nTotalEnd;
public :
ScMultipleReadHeader(SvStream& rNewStream);
~ScMultipleReadHeader();
void StartEntry();
void EndEntry();
sal_uInt64 BytesLeft() const ;
};
class ScMultipleWriteHeader
{
private :
SvStream& rStream;
SvMemoryStream aMemStream;
sal_uInt64 nDataPos;
sal_uInt32 nDataSize;
sal_uInt64 nEntryStart;
public :
ScMultipleWriteHeader(SvStream& rNewStream);
~ScMultipleWriteHeader();
void StartEntry();
void EndEntry();
};
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