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76ee07f61c
Co-authored-by: Alexander Trofimov <alexander.trofimov@onlyoffice.com> Co-committed-by: Alexander Trofimov <alexander.trofimov@onlyoffice.com>
128 lines
3.7 KiB
C++
128 lines
3.7 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 "cfstream.h"
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#include "cfexception.h"
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#include "idirectoryentry.h"
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#include "compoundfile_impl.h"
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#include "Stream/stream_utils.h"
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using namespace CFCPP;
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CFStream::CFStream(CompoundFile_impl* compFile, std::weak_ptr<IDirectoryEntry> dirEntry) :
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CFItem(compFile)
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{
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if (dirEntry.expired() || dirEntry.lock()->getSid() < 0)
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throw CFException("Attempting to create a CFStorage without DirectoryEntry");
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this->dirEntry = dirEntry;
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}
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void CFStream::SetData(const std::vector<BYTE> &data)
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{
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CheckDisposed();
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compoundFile->FreeData(this);
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compoundFile->WriteData(shared_from_this(), data);
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}
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void CFStream::Write(const std::vector<BYTE> &data, _INT64 position)
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{
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Write(data, position, 0, data.size());
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}
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void CFStream::Write(const std::vector<BYTE> &data, _INT64 position, _INT32 offset, _INT32 count)
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{
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CheckDisposed();
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compoundFile->WriteData(shared_from_this(), data, position, offset, count);
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}
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void CFStream::Write(const char *data, _INT64 position, _INT32 count)
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{
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CheckDisposed();
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compoundFile->WriteData(shared_from_this(), data, position, count);
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}
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void CFStream::Append(const std::vector<BYTE> &data)
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{
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CheckDisposed();
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if (size() > 0)
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{
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compoundFile->AppendData(shared_from_this(), data);
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}
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else
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{
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compoundFile->WriteData(shared_from_this(), data);
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}
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}
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std::vector<BYTE> CFStream::getData() const
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{
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CheckDisposed();
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return compoundFile->GetData(this);
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}
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_INT32 CFStream::Read(std::vector<BYTE> &buffer, _INT64 position, _INT32 count)
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{
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CheckDisposed();
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return compoundFile->ReadData(this, position, buffer, 0, count);
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}
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_INT32 CFStream::Read(std::vector<BYTE> &buffer, _INT64 position, _INT32 offset, _INT32 count)
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{
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CheckDisposed();
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return compoundFile->ReadData(this, position, buffer, offset, count);
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}
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void CFStream::CopyFrom(const Stream &input)
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{
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CheckDisposed();
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std::vector<BYTE> buffer(Length(input));
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// if (CanSeek? )
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{
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input->seek(0, std::ios::beg);
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}
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input->read(reinterpret_cast<char*>(buffer.data()), Length(input));
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SetData(buffer);
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}
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void CFStream::Resize(_INT64 length)
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{
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compoundFile->SetStreamLength(shared_from_this(), length);
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}
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