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76ee07f61c
Co-authored-by: Alexander Trofimov <alexander.trofimov@onlyoffice.com> Co-committed-by: Alexander Trofimov <alexander.trofimov@onlyoffice.com>
111 lines
3.8 KiB
C++
111 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 "CFRecordType.h"
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#include "BinSmartPointers.h"
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namespace XLS
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{
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class CFStream
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{
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public:
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CFStream(POLE::Stream* stream);
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~CFStream();
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void copy( std::wstring streamNameCreate, POLE::Storage * storageOut);
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template<class Type>
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CFStream& operator>>(Type& val) // Read a simple type or an object (not array)
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{
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read(&val, sizeof(Type));
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return *this;
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}
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template<class Type>
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CFStream& operator<<(Type& val) // Write a simple type or an object (not array)
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{
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write(&val, sizeof(Type));
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return *this;
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}
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void read(void* buf, const size_t size); // Read 'size' unsigned chars from the stream
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void write(const void* buf, const size_t size); // Write 'size' unsigned chars to the stream
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void seekFromCurForward(const size_t offset);
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void seekFromBegin(const unsigned long offset);
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void seekToEnd();
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// If the current pointer is exactly at the end of the stream.
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const bool isEOF() const;
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// Stream pointer
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const unsigned long getStreamPointer() const;
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// Stream current size
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const unsigned long getStreamSize() const;
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typedef void (*DELAYED_DATA_SAVER)(CFStream& stream, const unsigned int data_place, const unsigned int data);
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typedef struct
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{
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DELAYED_DATA_SAVER fn;
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unsigned int data_place;
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size_t data_size;
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CFRecordType::TypeId receiver_id;
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} ReceiverItem;
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typedef std::list<ReceiverItem> ReceiverItems;
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typedef struct
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{
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unsigned int data;
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CFRecordType::TypeId receiver_id;
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CFRecordType::TypeId source_id;
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bool is_file_ptr;
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} SourceItem;
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typedef std::list<SourceItem> SourceItems;
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// Write 'size' unsigned chars to the stream and append passed delayed items and after that apply all stored delayed items
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void writeAndApplyDelayedItems(void* buf, const size_t size, const ReceiverItems& receiver_items_from_record, const SourceItems& source_items_from_record);
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// The file pointer of the start of the record will be appended to all receiver items 'data_place' fields
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// Then all items will be appended to the common queue
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void appendDelayedItems(const ReceiverItems& receiver_items_from_record, const SourceItems& source_items_from_record);
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void applyDelayedItems();
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POLE::Stream *stream_;
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private:
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CFStream::ReceiverItems receiver_items;
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CFStream::SourceItems source_items;
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};
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} // namespace XLS
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