Mercurial > hg > orthanc
comparison OrthancFramework/Sources/StringMemoryBuffer.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 | 434843934307 |
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4483:a926f8995d0b | 4484:64f06e7d5fc7 |
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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 namespace Orthanc | |
29 { | |
30 class StringMemoryBuffer : public IMemoryBuffer | |
31 { | |
32 private: | |
33 std::string buffer_; | |
34 | |
35 public: | |
36 void Copy(const std::string& buffer) | |
37 { | |
38 buffer_ = buffer; | |
39 } | |
40 | |
41 void Swap(std::string& buffer) | |
42 { | |
43 buffer_.swap(buffer); | |
44 } | |
45 | |
46 virtual void MoveToString(std::string& target) ORTHANC_OVERRIDE; | |
47 | |
48 virtual const void* GetData() const ORTHANC_OVERRIDE | |
49 { | |
50 return (buffer_.empty() ? NULL : buffer_.c_str()); | |
51 } | |
52 | |
53 virtual size_t GetSize() const ORTHANC_OVERRIDE | |
54 { | |
55 return buffer_.size(); | |
56 } | |
57 | |
58 static IMemoryBuffer* CreateFromSwap(std::string& buffer); | |
59 | |
60 static IMemoryBuffer* CreateFromCopy(const std::string& buffer); | |
61 }; | |
62 } |