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comparison Core/EnumerationDictionary.h @ 434:ccf3a0a43dac

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EnumerationDictionary
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 15 May 2013 14:54:58 +0200
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children 28ba73274919
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433:aa50783f9550 434:ccf3a0a43dac
1 /**
2 * Orthanc - A Lightweight, RESTful DICOM Store
3 * Copyright (C) 2012-2013 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 * 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 #pragma once
34
35 #include "OrthancException.h"
36
37 #include <boost/lexical_cast.hpp>
38 #include <string>
39 #include <map>
40
41 namespace Orthanc
42 {
43 namespace Toolbox
44 {
45 template <typename Enumeration>
46 class EnumerationDictionary
47 {
48 private:
49 typedef std::map<Enumeration, std::string> EnumerationToString;
50 typedef std::map<std::string, Enumeration> StringToEnumeration;
51
52 EnumerationToString enumerationToString_;
53 StringToEnumeration stringToEnumeration_;
54
55 public:
56 void Add(Enumeration value, const std::string& str)
57 {
58 enumerationToString_[value] = str;
59 stringToEnumeration_[str] = value;
60 stringToEnumeration_[boost::lexical_cast<std::string>(static_cast<int>(value))] = value;
61 }
62
63 Enumeration Translate(const std::string& str) const
64 {
65 typename StringToEnumeration::const_iterator
66 found = stringToEnumeration_.find(str);
67
68 if (found == stringToEnumeration_.end())
69 {
70 throw OrthancException(ErrorCode_InexistentItem);
71 }
72 else
73 {
74 return found->second;
75 }
76 }
77
78 const std::string& Translate(Enumeration e) const
79 {
80 typename EnumerationToString::const_iterator
81 found = enumerationToString_.find(e);
82
83 if (found == enumerationToString_.end())
84 {
85 throw OrthancException(ErrorCode_InexistentItem);
86 }
87 else
88 {
89 return found->second;
90 }
91 }
92 };
93 }
94 }