Mercurial > hg > orthanc
diff OrthancFramework/Sources/MallocMemoryBuffer.h @ 4484:64f06e7d5fc7
new abstraction IMemoryBuffer to avoid unnecessary copies of std::string buffers
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 28 Jan 2021 19:03:19 +0100 |
parents | |
children | 7053502fbf97 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/OrthancFramework/Sources/MallocMemoryBuffer.h Thu Jan 28 19:03:19 2021 +0100 @@ -0,0 +1,67 @@ +/** + * Orthanc - A Lightweight, RESTful DICOM Store + * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * Copyright (C) 2017-2021 Osimis S.A., 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/>. + **/ + + +#pragma once + +#include "IMemoryBuffer.h" +#include "Compatibility.h" + + +namespace Orthanc +{ + class MallocMemoryBuffer : public IMemoryBuffer + { + public: + typedef void (*FreeFunction) (void* buffer); + + private: + void* buffer_; + size_t size_; + FreeFunction free_; + + public: + MallocMemoryBuffer(); + + virtual ~MallocMemoryBuffer() + { + Clear(); + } + + void Clear(); + + void Assign(void* buffer, + size_t size, + FreeFunction freeFunction); + + virtual void MoveToString(std::string& target) ORTHANC_OVERRIDE; + + virtual const void* GetData() const ORTHANC_OVERRIDE + { + return buffer_; + } + + virtual size_t GetSize() const ORTHANC_OVERRIDE + { + return size_; + } + }; +}