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76ee07f61c
Co-authored-by: Alexander Trofimov <alexander.trofimov@onlyoffice.com> Co-committed-by: Alexander Trofimov <alexander.trofimov@onlyoffice.com>
82 lines
2.9 KiB
C++
82 lines
2.9 KiB
C++
/*
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* Copyright (C) Ascensio System SIA, 2009-2026
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*
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* This program is a free software product. You can redistribute it and/or
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* modify it under the terms of the GNU Affero General Public License (AGPL)
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* version 3 as published by the Free Software Foundation, together with the
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* additional terms provided in the LICENSE file.
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*
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* This program is distributed WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
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* details, see the GNU AGPL at: https://www.gnu.org/licenses/agpl-3.0.html
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*
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* You can contact Ascensio System SIA by email at info@onlyoffice.com
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* or by postal mail at 20A-6 Ernesta Birznieka-Upisha Street, Riga,
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* LV-1050, Latvia, European Union.
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*
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* The interactive user interfaces in modified versions of the Program
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* are required to display Appropriate Legal Notices in accordance with
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* Section 5 of the GNU AGPL version 3.
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*
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* No trademark rights are granted under this License.
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*
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* All non-code elements of the Product, including illustrations,
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* icon sets, and technical writing content, are licensed under the
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* Creative Commons Attribution-ShareAlike 4.0 International License:
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* https://creativecommons.org/licenses/by-sa/4.0/legalcode
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*
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* This license applies only to such non-code elements and does not
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* modify or replace the licensing terms applicable to the Program's
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* source code, which remains licensed under the GNU Affero General
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* Public License v3.
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*
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* SPDX-License-Identifier: AGPL-3.0-only
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*/
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#pragma once
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#include "IBinaryReader.h"
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#include "../Common/Base/FormatUtils.h"
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#include "../../Common/3dParty/pole/pole.h"
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#include "../../OOXML/Base/Base.h"
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class VirtualStreamReader : public IBinaryReader
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{
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public:
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VirtualStreamReader (POLE::Stream* _stream, ULONG _position , int _nWordVersion);
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virtual ~VirtualStreamReader();
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virtual unsigned short ReadUInt16();
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virtual short ReadInt16();
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virtual int ReadInt32();
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virtual unsigned int ReadUInt32();
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virtual unsigned char ReadByte();
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virtual unsigned char* ReadBytes( unsigned int count, bool isResultNeeded );
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virtual unsigned long GetPosition() const;
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virtual unsigned long GetSize() const;
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virtual int Seek( int offset, int origin );
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std::wstring ReadXst();
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/// Read a length prefixed Unicode string from the given stream.
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/// The string must have the following structure:
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/// unsigned char 1 - 4: Character count (cch)
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/// unsigned char 5 - (cch*2)+4: Unicode characters terminated by \0
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std::wstring ReadLengthPrefixedUnicodeString();
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/// Read a length prefixed ANSI string from the given stream.
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/// The string must have the following structure:
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/// unsigned char 1-4: Character count (cch)
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/// unsigned char 5-cch+4: ANSI characters terminated by \0
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std::wstring ReadLengthPrefixedAnsiString(unsigned int max_size);
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int nWordVersion;
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private:
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POLE::uint64 position;
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POLE::Stream* stream;
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};
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