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82 lines
2.9 KiB
C++
82 lines
2.9 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 _PDF_READER_PARSER_H
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#define _PDF_READER_PARSER_H
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#include "Lexer.h"
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namespace PdfReader
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{
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//------------------------------------------------------------------------
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// Parser
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//------------------------------------------------------------------------
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class Parser
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{
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public:
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Parser(XRef *pXref, Lexer *pLexer, bool bAllowStreams);
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~Parser();
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// Считываем следующий объект из потока.
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Object *GetObject(Object *pObject, unsigned char *sDecryptKey = NULL, CryptAlgorithm eEncryptAlgorithm = cryptRC4, int nKeyLength = 0, int nObjectNum = 0, int nObjectGen = 0);
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Stream *GetStream()
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{
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return m_pLexer->GetStream();
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}
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int GetPos()
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{
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return m_pLexer->GetPos();
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}
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private:
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Stream *CreateStream(Object *pDict, unsigned char *sDecryptKey, CryptAlgorithm eEncryptAlgorithm, int nKeyLength, int nObjectNum, int nObjectGen);
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void Shift();
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private:
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XRef *m_pXref; // Таблица Xref для даннthe xref table for this PDF file
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Lexer *m_pLexer; // Входящий поток
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bool m_bAllowStreams; // Будем ли парсить Stream Objects?
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Object m_oBuffer1; // Два следующих объекта
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Object m_oBuffer2; //
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int m_nInlineImage; // Устанавливаем, когда сталкиваемся с Inline Image
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};
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}
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#endif // _PDF_READER_PARSER_H
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