137 lines
4.2 KiB
C++
137 lines
4.2 KiB
C++
/*
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* (c) Copyright Ascensio System SIA 2010-2023
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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. In accordance with
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* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
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* that Ascensio System SIA expressly excludes the warranty of non-infringement
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* of any third-party rights.
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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: http://www.gnu.org/licenses/agpl-3.0.html
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*
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* You can contact Ascensio System SIA at 20A-6 Ernesta Birznieka-Upish
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* street, Riga, Latvia, EU, LV-1050.
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*
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* The interactive user interfaces in modified source and object code versions
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* of the Program must display Appropriate Legal Notices, as required under
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* Section 5 of the GNU AGPL version 3.
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*
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* Pursuant to Section 7(b) of the License you must retain the original Product
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* logo when distributing the program. Pursuant to Section 7(e) we decline to
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* grant you any rights under trademark law for use of our trademarks.
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*
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* All the Product's GUI elements, including illustrations and icon sets, as
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* well as technical writing content are licensed under the terms of the
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* Creative Commons Attribution-ShareAlike 4.0 International. See the License
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* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
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*
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*/
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#pragma once
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#include "../../OOXML/Base/Base.h"
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#include "../../DesktopEditor/common/Types.h"
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class CDataStream
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{
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public:
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CDataStream();
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CDataStream(BYTE* pBuf, unsigned int unSize);
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~CDataStream();
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void SetStream(BYTE* pBuf, unsigned int unSize);
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BYTE* GetCurPtr();
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unsigned char ReadUChar();
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void WriteUChar(unsigned char val);
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unsigned short ReadUShort();
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void WriteUShort(unsigned short val);
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_UINT32 ReadULong();
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void WriteULong(_UINT32 val);
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double ReadDouble();
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char ReadChar();
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void WriteChar(char val);
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short ReadShort();
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void WriteShort(short val);
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_INT32 ReadLong();
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void WriteLong(_INT32 val);
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void ReadBytes(char* pBuffer, unsigned int ulSize);
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void WriteBytes(char* pBuffer, unsigned int ulSize);
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void ReadBytes(unsigned char* pBuffer, unsigned int ulSize);
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void WriteBytes(unsigned char* pBuffer, unsigned int ulSize);
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void ReadBytes(unsigned short* pBuffer, unsigned int ulSize);
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void ReadBytes(short* pBuffer, unsigned int ulSize);
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void ReadBytes(_UINT32* pBuffer, unsigned int ulSize);
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CDataStream& operator>>(unsigned char& nValue);
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CDataStream& operator<<(unsigned char nValue);
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CDataStream& operator>>(unsigned short& nValue);
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CDataStream& operator<<(unsigned short nValue);
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CDataStream& operator>>(_UINT32& nValue);
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CDataStream& operator<<(_UINT32 nValue);
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CDataStream& operator>>(double& dValue);
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CDataStream& operator>>(char& nValue);
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CDataStream& operator<<(char nValue);
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CDataStream& operator>>(bool& nValue);
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CDataStream& operator>>(short& nValue);
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CDataStream& operator<<(short nValue);
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CDataStream& operator>>(_INT32& nValue);
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CDataStream& operator<<(_INT32 nValue);
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bool IsValid() const;
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bool IsEof() const;
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unsigned int Tell();
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void Skip(unsigned int ulSkip);
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void SeekBack(unsigned int ulSkipBack);
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void SeekToStart();
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unsigned int CanReadWrite();
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private:
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BYTE *pBuffer;
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BYTE *pCur;
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BYTE *pEnd;
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};
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struct LengthPrefixedAnsiString
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{
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_UINT32 size = 0;
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std::string val;
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};
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static CDataStream & operator >> (CDataStream & strm, LengthPrefixedAnsiString & str);
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static CDataStream & operator << (CDataStream & strm, LengthPrefixedAnsiString str);
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struct ObjectHeader
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{
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_UINT32 OLEVersion = 1281;
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_UINT32 FormatID = 2;
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LengthPrefixedAnsiString ClassName;
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_UINT32 Width = 0;
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_UINT32 Height = 0;
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};
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class Ole1FormatReaderWriter
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{
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public:
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Ole1FormatReaderWriter();
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Ole1FormatReaderWriter(BYTE *pData, int Size);
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virtual ~Ole1FormatReaderWriter();
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void Read(BYTE *pData, int Size);
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void Write(BYTE *pData, int &Size);
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ObjectHeader Header;
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_UINT32 NativeDataSize;
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BYTE *NativeData;
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_UINT32 OtherDataSize;
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BYTE *OtherData;
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//PresentationObjectHeader PresentationHeader;
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};
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