Mercurial > hg > orthanc

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

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
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
parents
children 434843934307
comparison
equal deleted inserted replaced
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 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 }