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76ee07f61c
Co-authored-by: Alexander Trofimov <alexander.trofimov@onlyoffice.com> Co-committed-by: Alexander Trofimov <alexander.trofimov@onlyoffice.com>
144 lines
3.8 KiB
C++
144 lines
3.8 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 "../../../Common/3dParty/pole/pole.h"
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#include "Types.h"
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#include "LEStream.h"
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#include "String.h"
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#include "OutputDev.h"
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using namespace POLE;
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namespace MathEquation
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{
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class CEquationReader
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{
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public:
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CEquationReader(const wchar_t* wsFilePath);
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~CEquationReader();
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void SetOutputDev(IOutputDev *pOutput);
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int Parse();
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private:
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enum MTOKENS
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{
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END = 0x00,
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LINE = 0x01,
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CHAR = 0x02,
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TMPL = 0x03,
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PILE = 0x04,
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MATRIX = 0x05,
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EMBEL = 0x06,
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RULER = 0x07,
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FONT = 0x08,
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SIZE_CUSTOM = 0x09,
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SIZE_REGULAR = 0x0a, // regular
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SIZE_BIGSCRIPT = 0x0b, // large script
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SIZE_SMALLSCRIT = 0x0c, // small script
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SIZE_BIGSYMBOL = 0x0d, // large symbol
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SIZE_SMALLSYMBOL = 0x0e // small symbol
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};
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private:
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void InitSizes();
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void InitFonts();
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int HandleRecords();
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inline int xfLMOVE (BYTE nTest) {return nTest & 0x80;}
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inline int xfAUTO (BYTE nTest) {return nTest & 0x10;}
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inline int xfEMBELL(BYTE nTest) {return nTest & 0x20;}
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inline int xfNULL (BYTE nTest) {return nTest & 0x10;}
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inline int xfLSPACE(BYTE nTest) {return nTest & 0x40;}
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inline int xfRULER (BYTE nTest) {return nTest & 0x20;}
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void HandleNudge();
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int HandleChar(unsigned char nTag);
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int HandleTemplate();
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void HandleStartTemplate(unsigned char nSelector, unsigned char nVariation);
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void HandleEndTemplate (unsigned char nSelector, unsigned char nVariation);
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int HandlePile();
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int HandleMatrix();
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void HandleEmblishments();
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void HandleSetSize(MTOKENS eType);
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void HandleRuler();
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void HandleFont();
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bool IsSpecialChar(unsigned short nChar);
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private:
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// Header
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struct
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{
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_UINT32 nCBHdr;
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_UINT16 nVersion;
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_UINT16 nCf;
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_UINT32 nCBObject;
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_UINT32 nReserved1;
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_UINT32 nReserved2;
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_UINT32 nReserved3;
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_UINT32 nReserved4;
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} oHeader;
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// Ver 2 Header
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unsigned char nVersion;
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unsigned char nPlatform;
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unsigned char nProduct;
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unsigned char nProdVersion;
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unsigned char nProdSubVersion;
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Storage m_oStorage;
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Stream *pStm;
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CLEStream<Stream> *pS;
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IOutputDev* pOutputDev;
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_UINT16 aSizeTable[7];
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unsigned char nHAlign;
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unsigned char nVAlign;
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TFontMap mFontMap;
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};
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}
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