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comparison Framework/Orthanc/Core/ChunkedBuffer.cpp @ 1:2dbe613f6c93

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add orthanc core
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 14 Oct 2016 15:39:01 +0200
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0:351ab0da0150 1:2dbe613f6c93
1 /**
2 * Orthanc - A Lightweight, RESTful DICOM Store
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 *
6 * This program is free software: you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation, either version 3 of the
9 * License, or (at your option) any later version.
10 *
11 * In addition, as a special exception, the copyright holders of this
12 * program give permission to link the code of its release with the
13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
14 * that use the same license as the "OpenSSL" library), and distribute
15 * the linked executables. You must obey the GNU General Public License
16 * in all respects for all of the code used other than "OpenSSL". If you
17 * modify file(s) with this exception, you may extend this exception to
18 * your version of the file(s), but you are not obligated to do so. If
19 * you do not wish to do so, delete this exception statement from your
20 * version. If you delete this exception statement from all source files
21 * in the program, then also delete it here.
22 *
23 * This program is distributed in the hope that it will be useful, but
24 * WITHOUT ANY WARRANTY; without even the implied warranty of
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
26 * General Public License for more details.
27 *
28 * You should have received a copy of the GNU General Public License
29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
30 **/
31
32
33 #include "PrecompiledHeaders.h"
34 #include "ChunkedBuffer.h"
35
36 #include <cassert>
37 #include <string.h>
38
39
40 namespace Orthanc
41 {
42 void ChunkedBuffer::Clear()
43 {
44 numBytes_ = 0;
45
46 for (Chunks::iterator it = chunks_.begin();
47 it != chunks_.end(); ++it)
48 {
49 delete *it;
50 }
51 }
52
53
54 void ChunkedBuffer::AddChunk(const void* chunkData,
55 size_t chunkSize)
56 {
57 if (chunkSize == 0)
58 {
59 return;
60 }
61 else
62 {
63 assert(chunkData != NULL);
64 chunks_.push_back(new std::string(reinterpret_cast<const char*>(chunkData), chunkSize));
65 numBytes_ += chunkSize;
66 }
67 }
68
69
70 void ChunkedBuffer::AddChunk(const std::string& chunk)
71 {
72 if (chunk.size() > 0)
73 {
74 AddChunk(&chunk[0], chunk.size());
75 }
76 }
77
78
79 void ChunkedBuffer::Flatten(std::string& result)
80 {
81 result.resize(numBytes_);
82
83 size_t pos = 0;
84 for (Chunks::iterator it = chunks_.begin();
85 it != chunks_.end(); ++it)
86 {
87 assert(*it != NULL);
88
89 size_t s = (*it)->size();
90 if (s != 0)
91 {
92 memcpy(&result[pos], (*it)->c_str(), s);
93 pos += s;
94 }
95
96 delete *it;
97 }
98
99 chunks_.clear();
100 numBytes_ = 0;
101 }
102 }