125 lines
3.7 KiB
C++
125 lines
3.7 KiB
C++
/*
|
|
* (c) Copyright Ascensio System SIA 2010-2023
|
|
*
|
|
* 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 20A-6 Ernesta Birznieka-Upish
|
|
* street, Riga, Latvia, EU, LV-1050.
|
|
*
|
|
* 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
|
|
*
|
|
*/
|
|
#include "cfstream.h"
|
|
#include "cfexception.h"
|
|
#include "idirectoryentry.h"
|
|
#include "compoundfile_impl.h"
|
|
#include "Stream/stream_utils.h"
|
|
|
|
using namespace CFCPP;
|
|
|
|
CFStream::CFStream(CompoundFile_impl* compFile, std::weak_ptr<IDirectoryEntry> dirEntry) :
|
|
CFItem(compFile)
|
|
{
|
|
if (dirEntry.expired() || dirEntry.lock()->getSid() < 0)
|
|
throw CFException("Attempting to create a CFStorage without DirectoryEntry");
|
|
|
|
this->dirEntry = dirEntry;
|
|
}
|
|
|
|
void CFStream::SetData(const std::vector<BYTE> &data)
|
|
{
|
|
CheckDisposed();
|
|
|
|
compoundFile->FreeData(this);
|
|
compoundFile->WriteData(shared_from_this(), data);
|
|
}
|
|
|
|
void CFStream::Write(const std::vector<BYTE> &data, _INT64 position)
|
|
{
|
|
Write(data, position, 0, data.size());
|
|
}
|
|
|
|
void CFStream::Write(const std::vector<BYTE> &data, _INT64 position, _INT32 offset, _INT32 count)
|
|
{
|
|
CheckDisposed();
|
|
compoundFile->WriteData(shared_from_this(), data, position, offset, count);
|
|
}
|
|
|
|
void CFStream::Write(const char *data, _INT64 position, _INT32 count)
|
|
{
|
|
CheckDisposed();
|
|
compoundFile->WriteData(shared_from_this(), data, position, count);
|
|
}
|
|
|
|
void CFStream::Append(const std::vector<BYTE> &data)
|
|
{
|
|
CheckDisposed();
|
|
if (size() > 0)
|
|
{
|
|
compoundFile->AppendData(shared_from_this(), data);
|
|
}
|
|
else
|
|
{
|
|
compoundFile->WriteData(shared_from_this(), data);
|
|
}
|
|
}
|
|
|
|
std::vector<BYTE> CFStream::getData() const
|
|
{
|
|
CheckDisposed();
|
|
|
|
return compoundFile->GetData(this);
|
|
}
|
|
|
|
_INT32 CFStream::Read(std::vector<BYTE> &buffer, _INT64 position, _INT32 count)
|
|
{
|
|
CheckDisposed();
|
|
return compoundFile->ReadData(this, position, buffer, 0, count);
|
|
}
|
|
|
|
_INT32 CFStream::Read(std::vector<BYTE> &buffer, _INT64 position, _INT32 offset, _INT32 count)
|
|
{
|
|
CheckDisposed();
|
|
return compoundFile->ReadData(this, position, buffer, offset, count);
|
|
}
|
|
|
|
void CFStream::CopyFrom(const Stream &input)
|
|
{
|
|
CheckDisposed();
|
|
|
|
std::vector<BYTE> buffer(Length(input));
|
|
|
|
// if (CanSeek? )
|
|
{
|
|
input->seek(0, std::ios::beg);
|
|
}
|
|
|
|
input->read(reinterpret_cast<char*>(buffer.data()), Length(input));
|
|
SetData(buffer);
|
|
}
|
|
|
|
void CFStream::Resize(_INT64 length)
|
|
{
|
|
compoundFile->SetStreamLength(shared_from_this(), length);
|
|
}
|