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comparison OrthancFramework/Sources/MallocMemoryBuffer.h @ 4484:64f06e7d5fc7

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new abstraction IMemoryBuffer to avoid unnecessary copies of std::string buffers
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 28 Jan 2021 19:03:19 +0100
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children 7053502fbf97
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4483:a926f8995d0b 4484:64f06e7d5fc7
1 /**
2 * Orthanc - A Lightweight, RESTful DICOM Store
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 * Copyright (C) 2017-2021 Osimis S.A., Belgium
6 *
7 * This program is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public License
9 * as published by the Free Software Foundation, either version 3 of
10 * the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this program. If not, see
19 * <http://www.gnu.org/licenses/>.
20 **/
21
22
23 #pragma once
24
25 #include "IMemoryBuffer.h"
26 #include "Compatibility.h"
27
28
29 namespace Orthanc
30 {
31 class MallocMemoryBuffer : public IMemoryBuffer
32 {
33 public:
34 typedef void (*FreeFunction) (void* buffer);
35
36 private:
37 void* buffer_;
38 size_t size_;
39 FreeFunction free_;
40
41 public:
42 MallocMemoryBuffer();
43
44 virtual ~MallocMemoryBuffer()
45 {
46 Clear();
47 }
48
49 void Clear();
50
51 void Assign(void* buffer,
52 size_t size,
53 FreeFunction freeFunction);
54
55 virtual void MoveToString(std::string& target) ORTHANC_OVERRIDE;
56
57 virtual const void* GetData() const ORTHANC_OVERRIDE
58 {
59 return buffer_;
60 }
61
62 virtual size_t GetSize() const ORTHANC_OVERRIDE
63 {
64 return size_;
65 }
66 };
67 }