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annotate OrthancFramework/Sources/StringMemoryBuffer.h @ 4792:434843934307 storage-cache

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Added a StorageCache in the StorageAccessor
author Alain Mazy <am@osimis.io>
date Thu, 30 Sep 2021 12:14:19 +0200
parents 64f06e7d5fc7
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 namespace Orthanc
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29 {
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30 class StringMemoryBuffer : public IMemoryBuffer
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31 {
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32 private:
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33 std::string buffer_;
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34
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35 public:
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36 void Copy(const std::string& buffer)
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37 {
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38 buffer_ = buffer;
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39 }
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40
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41 void Copy(const std::string& buffer, size_t start /* inclusive */, size_t end /* exclusive */)
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42 {
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43 buffer_.assign(buffer, start, end - start);
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44 }
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45
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46 void Swap(std::string& buffer)
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47 {
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48 buffer_.swap(buffer);
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49 }
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50
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51 virtual void MoveToString(std::string& target) ORTHANC_OVERRIDE;
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52
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53 virtual const void* GetData() const ORTHANC_OVERRIDE
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54 {
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55 return (buffer_.empty() ? NULL : buffer_.c_str());
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56 }
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57
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58 virtual size_t GetSize() const ORTHANC_OVERRIDE
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59 {
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60 return buffer_.size();
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61 }
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63 static IMemoryBuffer* CreateFromSwap(std::string& buffer);
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65 static IMemoryBuffer* CreateFromCopy(const std::string& buffer);
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66
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67 static IMemoryBuffer* CreateFromCopy(const std::string& buffer, size_t start /* inclusive */, size_t end /* exclusive */);
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68 };
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69 }