114 lines
2.5 KiB
C++
114 lines
2.5 KiB
C++
/**
|
|
* Orthanc - A Lightweight, RESTful DICOM Store
|
|
* Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
|
|
* Department, University Hospital of Liege, Belgium
|
|
* Copyright (C) 2017-2023 Osimis S.A., Belgium
|
|
* Copyright (C) 2024-2025 Orthanc Team SRL, Belgium
|
|
* Copyright (C) 2021-2025 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
|
|
*
|
|
* This program is free software: you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public License
|
|
* as published by the Free Software Foundation, either version 3 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this program. If not, see
|
|
* <http://www.gnu.org/licenses/>.
|
|
**/
|
|
|
|
|
|
#include "PrecompiledHeaders.h"
|
|
#include "FileBuffer.h"
|
|
|
|
#include "TemporaryFile.h"
|
|
#include "OrthancException.h"
|
|
|
|
#include <boost/filesystem/fstream.hpp>
|
|
|
|
|
|
namespace Orthanc
|
|
{
|
|
class FileBuffer::PImpl
|
|
{
|
|
private:
|
|
TemporaryFile file_;
|
|
boost::filesystem::ofstream stream_;
|
|
bool isWriting_;
|
|
|
|
public:
|
|
PImpl() :
|
|
isWriting_(true)
|
|
{
|
|
stream_.open(file_.GetPath(), std::ofstream::out | std::ofstream::binary);
|
|
if (!stream_.good())
|
|
{
|
|
throw OrthancException(ErrorCode_CannotWriteFile);
|
|
}
|
|
}
|
|
|
|
~PImpl()
|
|
{
|
|
if (isWriting_)
|
|
{
|
|
stream_.close();
|
|
}
|
|
}
|
|
|
|
void Append(const char* buffer,
|
|
size_t size)
|
|
{
|
|
if (!isWriting_)
|
|
{
|
|
throw OrthancException(ErrorCode_BadSequenceOfCalls);
|
|
}
|
|
|
|
if (size > 0)
|
|
{
|
|
stream_.write(buffer, size);
|
|
if (!stream_.good())
|
|
{
|
|
stream_.close();
|
|
throw OrthancException(ErrorCode_FileStorageCannotWrite);
|
|
}
|
|
}
|
|
}
|
|
|
|
void Read(std::string& target)
|
|
{
|
|
if (isWriting_)
|
|
{
|
|
stream_.close();
|
|
isWriting_ = false;
|
|
}
|
|
|
|
file_.Read(target);
|
|
}
|
|
};
|
|
|
|
|
|
FileBuffer::FileBuffer() :
|
|
pimpl_(new PImpl)
|
|
{
|
|
}
|
|
|
|
|
|
void FileBuffer::Append(const char* buffer,
|
|
size_t size)
|
|
{
|
|
assert(pimpl_.get() != NULL);
|
|
pimpl_->Append(buffer, size);
|
|
}
|
|
|
|
|
|
void FileBuffer::Read(std::string& target)
|
|
{
|
|
assert(pimpl_.get() != NULL);
|
|
pimpl_->Read(target);
|
|
}
|
|
}
|