Mercurial > hg > orthanc-databases
annotate Framework/Plugins/StorageAreaBuffer.cpp @ 194:a51ce147dbe0
refactoring using new class StorageAreaBuffer
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 08 Jan 2021 14:40:03 +0100 |
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children | 53bd9022c58b |
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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 Affero 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 * Affero 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 Affero General Public License |
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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19 **/ |
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20 |
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21 |
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22 #include "StorageAreaBuffer.h" |
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23 |
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24 #include <OrthancException.h> |
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25 |
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26 #include <limits> |
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27 #include <string.h> |
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28 |
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29 |
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30 namespace OrthancDatabases |
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31 { |
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32 StorageAreaBuffer::StorageAreaBuffer() : |
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33 data_(NULL), |
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34 size_(0) |
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35 { |
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36 } |
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37 |
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38 |
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39 void StorageAreaBuffer::Clear() |
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40 { |
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41 if (data_ != NULL) |
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42 { |
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43 free(data_); |
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44 data_ = NULL; |
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45 size_ = 0; |
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46 } |
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47 } |
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48 |
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49 |
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50 void StorageAreaBuffer::Assign(const std::string& content) |
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51 { |
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52 Clear(); |
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53 |
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54 size_ = static_cast<int64_t>(content.size()); |
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55 |
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56 if (static_cast<size_t>(size_) != content.size()) |
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57 { |
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58 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotEnoughMemory, |
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59 "File cannot be stored in a 63bit buffer"); |
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60 } |
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61 |
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62 if (content.empty()) |
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63 { |
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64 data_ = NULL; |
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65 } |
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66 else |
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67 { |
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68 data_ = malloc(size_); |
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69 |
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70 if (data_ == NULL) |
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71 { |
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72 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotEnoughMemory); |
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73 } |
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74 |
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75 memcpy(data_, content.c_str(), size_); |
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76 } |
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77 } |
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78 |
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79 |
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80 void* StorageAreaBuffer::ReleaseData() |
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81 { |
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82 void* result = data_; |
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83 data_ = NULL; |
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84 size_ = 0; |
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85 return result; |
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86 } |
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87 |
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88 |
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89 void StorageAreaBuffer::ToString(std::string& target) |
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90 { |
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91 target.resize(size_); |
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92 |
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93 if (size_ != 0) |
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94 { |
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95 memcpy(&target[0], data_, size_); |
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96 } |
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97 } |
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98 } |