Mercurial > hg > orthanc
annotate Core/ChunkedBuffer.cpp @ 3891:5571082a9df6 transcoding
integration mainline->transcoding
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Tue, 05 May 2020 18:08:51 +0200 |
| parents | 94f4a18a79cc |
| children |
| 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 | |
| 8 * modify it under the terms of the GNU General Public License as | |
| 9 * published by the Free Software Foundation, either version 3 of the | |
| 10 * License, or (at your option) any later version. | |
| 136 | 11 * |
| 12 * In addition, as a special exception, the copyright holders of this | |
| 13 * program give permission to link the code of its release with the | |
| 14 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
| 15 * that use the same license as the "OpenSSL" library), and distribute | |
| 16 * the linked executables. You must obey the GNU General Public License | |
| 17 * in all respects for all of the code used other than "OpenSSL". If you | |
| 18 * modify file(s) with this exception, you may extend this exception to | |
| 19 * your version of the file(s), but you are not obligated to do so. If | |
| 20 * you do not wish to do so, delete this exception statement from your | |
| 21 * version. If you delete this exception statement from all source files | |
| 22 * in the program, then also delete it here. | |
| 0 | 23 * |
| 24 * This program is distributed in the hope that it will be useful, but | |
| 25 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 27 * General Public License for more details. | |
| 28 * | |
| 29 * You should have received a copy of the GNU General Public License | |
| 30 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 31 **/ | |
| 32 | |
| 33 | |
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34 #include "PrecompiledHeaders.h" |
| 0 | 35 #include "ChunkedBuffer.h" |
| 36 | |
| 37 #include <cassert> | |
| 38 #include <string.h> | |
| 39 | |
| 40 | |
| 59 | 41 namespace Orthanc |
| 0 | 42 { |
| 43 void ChunkedBuffer::Clear() | |
| 44 { | |
| 45 numBytes_ = 0; | |
| 46 | |
| 47 for (Chunks::iterator it = chunks_.begin(); | |
| 656 | 48 it != chunks_.end(); ++it) |
| 0 | 49 { |
| 50 delete *it; | |
| 51 } | |
| 52 } | |
| 53 | |
| 54 | |
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55 void ChunkedBuffer::AddChunk(const void* chunkData, |
| 0 | 56 size_t chunkSize) |
| 57 { | |
| 58 if (chunkSize == 0) | |
| 59 { | |
| 60 return; | |
| 61 } | |
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62 else |
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63 { |
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64 assert(chunkData != NULL); |
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65 chunks_.push_back(new std::string(reinterpret_cast<const char*>(chunkData), chunkSize)); |
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66 numBytes_ += chunkSize; |
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67 } |
| 0 | 68 } |
| 69 | |
| 70 | |
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71 void ChunkedBuffer::AddChunk(const std::string& chunk) |
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72 { |
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73 if (chunk.size() > 0) |
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74 { |
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75 AddChunk(&chunk[0], chunk.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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ChunkedBuffer::AddChunkDestructive()
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80 void ChunkedBuffer::AddChunkDestructive(std::string& chunk) |
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81 { |
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82 size_t chunkSize = chunk.size(); |
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83 |
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84 if (chunkSize > 0) |
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85 { |
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86 chunks_.push_back(new std::string); |
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87 chunks_.back()->swap(chunk); |
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88 numBytes_ += chunkSize; |
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89 } |
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90 } |
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91 |
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92 |
| 0 | 93 void ChunkedBuffer::Flatten(std::string& result) |
| 94 { | |
| 95 result.resize(numBytes_); | |
| 96 | |
| 97 size_t pos = 0; | |
| 98 for (Chunks::iterator it = chunks_.begin(); | |
| 656 | 99 it != chunks_.end(); ++it) |
| 0 | 100 { |
| 101 assert(*it != NULL); | |
| 102 | |
| 103 size_t s = (*it)->size(); | |
| 104 if (s != 0) | |
| 105 { | |
| 106 memcpy(&result[pos], (*it)->c_str(), s); | |
| 107 pos += s; | |
| 108 } | |
| 109 | |
| 110 delete *it; | |
| 111 } | |
| 112 | |
| 113 chunks_.clear(); | |
| 1921 | 114 numBytes_ = 0; |
| 0 | 115 } |
| 116 } |