Mercurial > hg > orthanc-databases
comparison Framework/Plugins/StorageAreaBuffer.cpp @ 194:a51ce147dbe0
refactoring using new class StorageAreaBuffer
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 08 Jan 2021 14:40:03 +0100 |
parents | |
children | 53bd9022c58b |
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193:3236894320d6 | 194:a51ce147dbe0 |
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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 * Copyright (C) 2017-2021 Osimis S.A., Belgium | |
6 * | |
7 * This program is free software: you can redistribute it and/or | |
8 * modify it under the terms of the GNU Affero General Public License | |
9 * as published by the Free Software Foundation, either version 3 of | |
10 * the License, or (at your option) any later version. | |
11 * | |
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 | |
15 * Affero General Public License for more details. | |
16 * | |
17 * You should have received a copy of the GNU Affero General Public License | |
18 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 **/ | |
20 | |
21 | |
22 #include "StorageAreaBuffer.h" | |
23 | |
24 #include <OrthancException.h> | |
25 | |
26 #include <limits> | |
27 #include <string.h> | |
28 | |
29 | |
30 namespace OrthancDatabases | |
31 { | |
32 StorageAreaBuffer::StorageAreaBuffer() : | |
33 data_(NULL), | |
34 size_(0) | |
35 { | |
36 } | |
37 | |
38 | |
39 void StorageAreaBuffer::Clear() | |
40 { | |
41 if (data_ != NULL) | |
42 { | |
43 free(data_); | |
44 data_ = NULL; | |
45 size_ = 0; | |
46 } | |
47 } | |
48 | |
49 | |
50 void StorageAreaBuffer::Assign(const std::string& content) | |
51 { | |
52 Clear(); | |
53 | |
54 size_ = static_cast<int64_t>(content.size()); | |
55 | |
56 if (static_cast<size_t>(size_) != content.size()) | |
57 { | |
58 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotEnoughMemory, | |
59 "File cannot be stored in a 63bit buffer"); | |
60 } | |
61 | |
62 if (content.empty()) | |
63 { | |
64 data_ = NULL; | |
65 } | |
66 else | |
67 { | |
68 data_ = malloc(size_); | |
69 | |
70 if (data_ == NULL) | |
71 { | |
72 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotEnoughMemory); | |
73 } | |
74 | |
75 memcpy(data_, content.c_str(), size_); | |
76 } | |
77 } | |
78 | |
79 | |
80 void* StorageAreaBuffer::ReleaseData() | |
81 { | |
82 void* result = data_; | |
83 data_ = NULL; | |
84 size_ = 0; | |
85 return result; | |
86 } | |
87 | |
88 | |
89 void StorageAreaBuffer::ToString(std::string& target) | |
90 { | |
91 target.resize(size_); | |
92 | |
93 if (size_ != 0) | |
94 { | |
95 memcpy(&target[0], data_, size_); | |
96 } | |
97 } | |
98 } |