mirror of
https://github.com/ONLYOFFICE/core.git
synced 2026-07-20 01:04:34 +08:00
76ee07f61c
Co-authored-by: Alexander Trofimov <alexander.trofimov@onlyoffice.com> Co-committed-by: Alexander Trofimov <alexander.trofimov@onlyoffice.com>
129 lines
4.5 KiB
C++
129 lines
4.5 KiB
C++
/*
|
|
* Copyright (C) Ascensio System SIA, 2009-2026
|
|
*
|
|
* This program is a free software product. You can redistribute it and/or
|
|
* modify it under the terms of the GNU Affero General Public License (AGPL)
|
|
* version 3 as published by the Free Software Foundation, together with the
|
|
* additional terms provided in the LICENSE file.
|
|
*
|
|
* This program is distributed WITHOUT ANY WARRANTY; without even the implied
|
|
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
|
|
* details, see the GNU AGPL at: https://www.gnu.org/licenses/agpl-3.0.html
|
|
*
|
|
* You can contact Ascensio System SIA by email at info@onlyoffice.com
|
|
* or by postal mail at 20A-6 Ernesta Birznieka-Upisha Street, Riga,
|
|
* LV-1050, Latvia, European Union.
|
|
*
|
|
* The interactive user interfaces in modified versions of the Program
|
|
* are required to display Appropriate Legal Notices in accordance with
|
|
* Section 5 of the GNU AGPL version 3.
|
|
*
|
|
* No trademark rights are granted under this License.
|
|
*
|
|
* All non-code elements of the Product, including illustrations,
|
|
* icon sets, and technical writing content, are licensed under the
|
|
* Creative Commons Attribution-ShareAlike 4.0 International License:
|
|
* https://creativecommons.org/licenses/by-sa/4.0/legalcode
|
|
*
|
|
* This license applies only to such non-code elements and does not
|
|
* modify or replace the licensing terms applicable to the Program's
|
|
* source code, which remains licensed under the GNU Affero General
|
|
* Public License v3.
|
|
*
|
|
* SPDX-License-Identifier: AGPL-3.0-only
|
|
*/
|
|
#ifndef BINARY_COMMON_READER
|
|
#define BINARY_COMMON_READER
|
|
|
|
#include "../../../Binary/Presentation/BinaryFileReaderWriter.h"
|
|
#include "../../Sheets/Common/BinReaderWriterDefines.h"
|
|
|
|
namespace BinXlsxRW {
|
|
|
|
#define READ_TABLE_DEF(res, fReadFunction, arg) {\
|
|
res = m_oBufferedStream.Peek(4) == false ? c_oSerConstants::ErrorStream : c_oSerConstants::ReadOk;\
|
|
if (c_oSerConstants::ReadOk == res) {\
|
|
long readtabledefLen = m_oBufferedStream.GetLong();\
|
|
res = m_oBufferedStream.Peek(readtabledefLen) == false ? c_oSerConstants::ErrorStream : c_oSerConstants::ReadOk;\
|
|
if (c_oSerConstants::ReadOk == res) {\
|
|
READ1_DEF(readtabledefLen, res, fReadFunction, arg);\
|
|
}\
|
|
}\
|
|
}
|
|
|
|
#define READ1_DEF(stLen, res, fReadFunction, arg) {\
|
|
long read1defCurPos = 0;\
|
|
long read1defstart_pos = m_oBufferedStream.GetPos();\
|
|
while(read1defCurPos < (long)stLen)\
|
|
{\
|
|
BYTE read1defType = 0;\
|
|
if (false == m_oBufferedStream.GetUCharWithResult(&read1defType))\
|
|
break;\
|
|
ULONG read1defLength = m_oBufferedStream.GetULong();\
|
|
if (read1defLength + read1defCurPos > (ULONG)stLen)\
|
|
{\
|
|
m_oBufferedStream.Seek(read1defstart_pos + stLen);\
|
|
res = c_oSerConstants::ReadOk;\
|
|
break;\
|
|
}\
|
|
res = fReadFunction(read1defType, read1defLength, arg);\
|
|
if(res == c_oSerConstants::ReadUnknown)\
|
|
{\
|
|
m_oBufferedStream.GetPointer(read1defLength);\
|
|
res = c_oSerConstants::ReadOk;\
|
|
}\
|
|
else if(res != c_oSerConstants::ReadOk)\
|
|
break;\
|
|
read1defCurPos += read1defLength + 5;\
|
|
}\
|
|
}
|
|
|
|
#define READ2_DEF_SPREADSHEET(stLen, res, fReadFunction, arg) {\
|
|
long read2defCurPos = 0;\
|
|
while(read2defCurPos < stLen)\
|
|
{\
|
|
BYTE read2defType = 0;\
|
|
if (false == m_oBufferedStream.GetUCharWithResult(&read2defType))\
|
|
break;\
|
|
long read2defLenType = m_oBufferedStream.GetUChar();\
|
|
int read2defCurPosShift = 2;\
|
|
int read2defRealLen;\
|
|
switch(read2defLenType)\
|
|
{\
|
|
case c_oSerPropLenType::Null: read2defRealLen = 0;break;\
|
|
case c_oSerPropLenType::Byte: read2defRealLen = 1;break;\
|
|
case c_oSerPropLenType::Short: read2defRealLen = 2;break;\
|
|
case c_oSerPropLenType::Three: read2defRealLen = 3;break;\
|
|
case c_oSerPropLenType::Long: read2defRealLen = 4;break;\
|
|
case c_oSerPropLenType::Double: read2defRealLen = 8;break;\
|
|
case c_oSerPropLenType::Variable:\
|
|
read2defRealLen = m_oBufferedStream.GetLong();\
|
|
read2defCurPosShift += 4;\
|
|
break;\
|
|
default:res = c_oSerConstants::ErrorUnknown;break;\
|
|
}\
|
|
if(res == c_oSerConstants::ReadOk)\
|
|
res = fReadFunction(read2defType, read2defRealLen, arg);\
|
|
if(res == c_oSerConstants::ReadUnknown)\
|
|
{\
|
|
m_oBufferedStream.GetPointer(read2defRealLen);\
|
|
res = c_oSerConstants::ReadOk;\
|
|
}\
|
|
else if(res != c_oSerConstants::ReadOk)\
|
|
break;\
|
|
read2defCurPos += read2defRealLen + read2defCurPosShift;\
|
|
}\
|
|
}
|
|
|
|
class Binary_CommonReader
|
|
{
|
|
protected:
|
|
NSBinPptxRW::CBinaryFileReader& m_oBufferedStream;
|
|
public:
|
|
Binary_CommonReader(NSBinPptxRW::CBinaryFileReader& poBufferedStream) : m_oBufferedStream(poBufferedStream)
|
|
{
|
|
}
|
|
};
|
|
}
|
|
#endif // #ifndef BINARY_COMMON_READER
|