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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012 Medical Physics Department, CHU of Liege,
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4 * Belgium
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5 *
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6 * This program is free software: you can redistribute it and/or
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7 * modify it under the terms of the GNU General Public License as
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8 * published by the Free Software Foundation, either version 3 of the
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9 * License, or (at your option) any later version.
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136
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10 *
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11 * In addition, as a special exception, the copyright holders of this
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12 * program give permission to link the code of its release with the
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13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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14 * that use the same license as the "OpenSSL" library), and distribute
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15 * the linked executables. You must obey the GNU General Public License
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16 * in all respects for all of the code used other than "OpenSSL". If you
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17 * modify file(s) with this exception, you may extend this exception to
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18 * your version of the file(s), but you are not obligated to do so. If
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19 * you do not wish to do so, delete this exception statement from your
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20 * version. If you delete this exception statement from all source files
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21 * in the program, then also delete it here.
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22 *
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23 * This program is distributed in the hope that it will be useful, but
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24 * WITHOUT ANY WARRANTY; without even the implied warranty of
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25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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26 * General Public License for more details.
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27 *
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28 * You should have received a copy of the GNU General Public License
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29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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30 **/
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31
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32
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33 #include "ChunkedBuffer.h"
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34
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35 #include <cassert>
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36 #include <string.h>
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37
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38
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39 namespace Orthanc
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0
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40 {
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41 void ChunkedBuffer::Clear()
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42 {
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43 numBytes_ = 0;
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44
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45 for (Chunks::iterator it = chunks_.begin();
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46 it != chunks_.end(); it++)
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47 {
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48 delete *it;
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49 }
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50 }
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51
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52
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53 void ChunkedBuffer::AddChunk(const char* chunkData,
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54 size_t chunkSize)
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55 {
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56 if (chunkSize == 0)
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57 {
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58 return;
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59 }
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60
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61 assert(chunkData != NULL);
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62 chunks_.push_back(new std::string(chunkData, chunkSize));
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63 numBytes_ += chunkSize;
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64 }
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65
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66
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67 void ChunkedBuffer::Flatten(std::string& result)
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68 {
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69 result.resize(numBytes_);
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70
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71 size_t pos = 0;
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72 for (Chunks::iterator it = chunks_.begin();
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73 it != chunks_.end(); it++)
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74 {
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75 assert(*it != NULL);
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76
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77 size_t s = (*it)->size();
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78 if (s != 0)
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79 {
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80 memcpy(&result[pos], (*it)->c_str(), s);
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81 pos += s;
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82 }
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83
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84 delete *it;
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85 }
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86
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87 chunks_.clear();
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88 }
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89 }
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