Mercurial > hg > orthanc
comparison Core/ChunkedBuffer.cpp @ 0:3959d33612cc
initial commit
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 19 Jul 2012 14:32:22 +0200 |
parents | |
children | a15e90e5d6fc |
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-1:000000000000 | 0:3959d33612cc |
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1 /** | |
2 * Palantir - A Lightweight, RESTful DICOM Store | |
3 * Copyright (C) 2012 Medical Physics Department, CHU of Liege, | |
4 * 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 * This program is distributed in the hope that it will be useful, but | |
12 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 * General Public License for more details. | |
15 * | |
16 * You should have received a copy of the GNU General Public License | |
17 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 **/ | |
19 | |
20 | |
21 #include "ChunkedBuffer.h" | |
22 | |
23 #include <cassert> | |
24 #include <string.h> | |
25 | |
26 | |
27 namespace Palantir | |
28 { | |
29 void ChunkedBuffer::Clear() | |
30 { | |
31 numBytes_ = 0; | |
32 | |
33 for (Chunks::iterator it = chunks_.begin(); | |
34 it != chunks_.end(); it++) | |
35 { | |
36 delete *it; | |
37 } | |
38 } | |
39 | |
40 | |
41 void ChunkedBuffer::AddChunk(const char* chunkData, | |
42 size_t chunkSize) | |
43 { | |
44 if (chunkSize == 0) | |
45 { | |
46 return; | |
47 } | |
48 | |
49 assert(chunkData != NULL); | |
50 chunks_.push_back(new std::string(chunkData, chunkSize)); | |
51 numBytes_ += chunkSize; | |
52 } | |
53 | |
54 | |
55 void ChunkedBuffer::Flatten(std::string& result) | |
56 { | |
57 result.resize(numBytes_); | |
58 | |
59 size_t pos = 0; | |
60 for (Chunks::iterator it = chunks_.begin(); | |
61 it != chunks_.end(); it++) | |
62 { | |
63 assert(*it != NULL); | |
64 | |
65 size_t s = (*it)->size(); | |
66 if (s != 0) | |
67 { | |
68 memcpy(&result[pos], (*it)->c_str(), s); | |
69 pos += s; | |
70 } | |
71 | |
72 delete *it; | |
73 } | |
74 | |
75 chunks_.clear(); | |
76 } | |
77 } |