Mercurial > hg > orthanc
annotate OrthancFramework/Sources/ChunkedBuffer.cpp @ 4138:1a26daefc3fe
DicomImageInformation::USEFUL_TAG_LENGTH
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 06 Aug 2020 17:56:10 +0200 |
parents | bf7b9edf6b81 |
children | 732ad6c618ba |
rev | line source |
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0 | 1 /** |
59 | 2 * Orthanc - A Lightweight, RESTful DICOM Store |
1900 | 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) 2017-2020 Osimis S.A., Belgium |
0 | 6 * |
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. |
136 | 11 * |
0 | 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 | |
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15 * Lesser General Public License for more details. |
0 | 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/>. |
0 | 20 **/ |
21 | |
22 | |
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23 #include "PrecompiledHeaders.h" |
0 | 24 #include "ChunkedBuffer.h" |
25 | |
26 #include <cassert> | |
27 #include <string.h> | |
28 | |
29 | |
59 | 30 namespace Orthanc |
0 | 31 { |
32 void ChunkedBuffer::Clear() | |
33 { | |
34 numBytes_ = 0; | |
35 | |
36 for (Chunks::iterator it = chunks_.begin(); | |
656 | 37 it != chunks_.end(); ++it) |
0 | 38 { |
39 delete *it; | |
40 } | |
41 } | |
42 | |
43 | |
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44 void ChunkedBuffer::AddChunk(const void* chunkData, |
0 | 45 size_t chunkSize) |
46 { | |
47 if (chunkSize == 0) | |
48 { | |
49 return; | |
50 } | |
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51 else |
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52 { |
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53 assert(chunkData != NULL); |
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54 chunks_.push_back(new std::string(reinterpret_cast<const char*>(chunkData), chunkSize)); |
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55 numBytes_ += chunkSize; |
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56 } |
0 | 57 } |
58 | |
59 | |
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60 void ChunkedBuffer::AddChunk(const std::string& chunk) |
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61 { |
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62 if (chunk.size() > 0) |
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63 { |
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64 AddChunk(&chunk[0], chunk.size()); |
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65 } |
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66 } |
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67 |
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68 |
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ChunkedBuffer::AddChunkDestructive()
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69 void ChunkedBuffer::AddChunkDestructive(std::string& chunk) |
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ChunkedBuffer::AddChunkDestructive()
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70 { |
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ChunkedBuffer::AddChunkDestructive()
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71 size_t chunkSize = chunk.size(); |
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ChunkedBuffer::AddChunkDestructive()
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72 |
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73 if (chunkSize > 0) |
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ChunkedBuffer::AddChunkDestructive()
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74 { |
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75 chunks_.push_back(new std::string); |
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76 chunks_.back()->swap(chunk); |
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77 numBytes_ += chunkSize; |
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78 } |
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79 } |
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80 |
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81 |
0 | 82 void ChunkedBuffer::Flatten(std::string& result) |
83 { | |
84 result.resize(numBytes_); | |
85 | |
86 size_t pos = 0; | |
87 for (Chunks::iterator it = chunks_.begin(); | |
656 | 88 it != chunks_.end(); ++it) |
0 | 89 { |
90 assert(*it != NULL); | |
91 | |
92 size_t s = (*it)->size(); | |
93 if (s != 0) | |
94 { | |
95 memcpy(&result[pos], (*it)->c_str(), s); | |
96 pos += s; | |
97 } | |
98 | |
99 delete *it; | |
100 } | |
101 | |
102 chunks_.clear(); | |
1921 | 103 numBytes_ = 0; |
0 | 104 } |
105 } |