mirror of
https://github.com/ONLYOFFICE/core.git
synced 2026-07-11 01:52:24 +08:00
79 lines
2.8 KiB
C++
79 lines
2.8 KiB
C++
/*
|
|
* (c) Copyright Ascensio System SIA 2010-2017
|
|
*
|
|
* 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. In accordance with
|
|
* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
|
|
* that Ascensio System SIA expressly excludes the warranty of non-infringement
|
|
* of any third-party rights.
|
|
*
|
|
* 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: http://www.gnu.org/licenses/agpl-3.0.html
|
|
*
|
|
* You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia,
|
|
* EU, LV-1021.
|
|
*
|
|
* The interactive user interfaces in modified source and object code versions
|
|
* of the Program must display Appropriate Legal Notices, as required under
|
|
* Section 5 of the GNU AGPL version 3.
|
|
*
|
|
* Pursuant to Section 7(b) of the License you must retain the original Product
|
|
* logo when distributing the program. Pursuant to Section 7(e) we decline to
|
|
* grant you any rights under trademark law for use of our trademarks.
|
|
*
|
|
* All the Product's GUI elements, including illustrations and icon sets, as
|
|
* well as technical writing content are licensed under the terms of the
|
|
* Creative Commons Attribution-ShareAlike 4.0 International. See the License
|
|
* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
|
|
*
|
|
*/
|
|
#pragma once
|
|
|
|
#include "BaseObject.h"
|
|
#include "BinProcessor.h"
|
|
|
|
namespace XLS
|
|
{;
|
|
|
|
class CFStreamCacheReader;
|
|
|
|
// Logical representation of composite objects
|
|
//
|
|
// Another new function is to buffer objects, that had to be read but was absent in the bin stream.
|
|
// The buffered records shall be checked for existence later.
|
|
// This feature is specially for files saved in OpenOffice Calc those don't conform to the Microsoft specification
|
|
// Call them "wanted objects"
|
|
//
|
|
class CompositeObject : public BaseObject
|
|
{
|
|
public:
|
|
CompositeObject();
|
|
~CompositeObject();
|
|
|
|
virtual const bool read (CFStreamCacheReader& reader, BaseObject* parent, const bool mandatory); // Read self and children
|
|
virtual const bool loadContent (BinProcessor& proc) = 0;
|
|
virtual const bool loadContentRead (BinReaderProcessor& proc);
|
|
|
|
static const ElementType type = typeCompositeObject;
|
|
|
|
virtual ElementType get_type() { return type; }
|
|
};
|
|
|
|
// This class helps to process parenthesis in ABNF specification
|
|
class ABNFParenthesis : public CompositeObject
|
|
{
|
|
public:
|
|
ABNFParenthesis(){};
|
|
|
|
virtual const bool read(CFStreamCacheReader& reader, BaseObject* parent, const bool is_mandatory);
|
|
|
|
static const ElementType type = typeABNFParenthesis;
|
|
|
|
|
|
};
|
|
|
|
|
|
} // namespace XLS
|