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76ee07f61c
Co-authored-by: Alexander Trofimov <alexander.trofimov@onlyoffice.com> Co-committed-by: Alexander Trofimov <alexander.trofimov@onlyoffice.com>
122 lines
3.0 KiB
C++
122 lines
3.0 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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#include "sector.h"
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#include "Stream/stream_utils.h"
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using namespace CFCPP;
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_INT32 Sector::MINISECTOR_SIZE = 64;
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Sector::Sector(_INT32 size, const Stream stream) :
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size(size),
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stream(stream)
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{}
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Sector::Sector(_INT32 size, const std::vector<BYTE>& data) :
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size(size), data(data)
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{}
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Sector::Sector(_INT32 size) :
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size(size)
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{}
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bool Sector::IsStreamed()
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{
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if (stream == nullptr || size == MINISECTOR_SIZE)
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return false;
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auto fileSize = Length(stream);
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return (this->id * size) + size < fileSize;
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}
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void Sector::ZeroData()
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{
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std::fill(data.begin(), data.end(), 0);
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dirtyFlag = true;
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}
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void Sector::InitFATData()
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{
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data.clear();
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data.resize(size);
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std::fill(data.begin(), data.end(), 0xff);
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dirtyFlag = true;
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}
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void Sector::ReleaseData()
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{
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data.clear();
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}
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void Sector::Dispose(bool disposing)
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{
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try
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{
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if (!_disposed)
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{
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std::lock_guard<std::mutex> lock(lockObject);
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data.clear();
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dirtyFlag = false;
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id = ENDOFCHAIN;
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size = 0;
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}
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}
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catch(...)
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{}
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_disposed = true;
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}
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std::vector<BYTE> &Sector::GetData()
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{
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if (data.empty())
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{
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data = std::vector<BYTE>(size, 0);
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if (IsStreamed())
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{
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stream->seek(size + id * size, std::ios_base::beg);
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stream->read(reinterpret_cast<char*>(data.data()), size);
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}
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}
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return data;
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}
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_INT32 Sector::getSize() const
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{
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return size;
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}
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