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