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154 lines
3.9 KiB
C++
154 lines
3.9 KiB
C++
/*
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* (c) Copyright Ascensio System SIA 2010-2016
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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 Lubanas st. 125a-25, Riga, Latvia,
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* EU, LV-1021.
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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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#ifndef _MATH_EQUATION_READER_H
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#define _MATH_EQUATION_READER_H
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#include "../../../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) : m_oStorage(wsFilePath), pStm(NULL), pS(NULL), nHAlign(0), nVAlign(0)
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{
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InitSizes();
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}
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~CEquationReader()
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{
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if (NULL != pS)
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delete pS;
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if (NULL != pStm)
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delete pStm;
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}
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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, // обычный
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SIZE_BIGSCRIPT = 0x0b, // крунпый индекс
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SIZE_SMALLSCRIT = 0x0c, // мелкий индекс
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SIZE_BIGSYMBOL = 0x0d, // большой символ
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SIZE_SMALLSYMBOL = 0x0e // мелкий символ
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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(uint8_t nTag);
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int HandleTemplate();
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void HandleStartTemplate(uint8_t nSelector, uint8_t nVariation);
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void HandleEndTemplate (uint8_t nSelector, uint8_t 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(Unicode_t 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_t nCBHdr;
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uint16_t nVersion;
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uint16_t nCf;
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uint32_t nCBObject;
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uint32_t nReserved1;
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uint32_t nReserved2;
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uint32_t nReserved3;
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uint32_t nReserved4;
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} oHeader;
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// Ver 2 Header
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uint8_t nVersion;
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uint8_t nPlatform;
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uint8_t nProduct;
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uint8_t nProdVersion;
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uint8_t 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_t aSizeTable[7];
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uint8_t nHAlign;
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uint8_t nVAlign;
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TFontMap mFontMap;
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};
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}
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#endif
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