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comparison Framework/Orthanc/Core/EnumerationDictionary.h @ 1:dc730d11b101

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orthanc dependencies
author Sebastien Jodogne <s.jodogne@gmail.com>
date Sat, 22 Oct 2016 21:50:15 +0200
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0:4a7a53257c7d 1:dc730d11b101
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 #pragma once
34
35 #include "OrthancException.h"
36
37 #include "Toolbox.h"
38 #include <boost/lexical_cast.hpp>
39 #include <string>
40 #include <map>
41
42 namespace Orthanc
43 {
44 namespace Toolbox
45 {
46 template <typename Enumeration>
47 class EnumerationDictionary
48 {
49 private:
50 typedef std::map<Enumeration, std::string> EnumerationToString;
51 typedef std::map<std::string, Enumeration> StringToEnumeration;
52
53 EnumerationToString enumerationToString_;
54 StringToEnumeration stringToEnumeration_;
55
56 public:
57 void Clear()
58 {
59 enumerationToString_.clear();
60 stringToEnumeration_.clear();
61 }
62
63 bool Contains(Enumeration value) const
64 {
65 return enumerationToString_.find(value) != enumerationToString_.end();
66 }
67
68 void Add(Enumeration value, const std::string& str)
69 {
70 // Check if these values are free
71 if (enumerationToString_.find(value) != enumerationToString_.end() ||
72 stringToEnumeration_.find(str) != stringToEnumeration_.end() ||
73 Toolbox::IsInteger(str) /* Prevent the registration of a number */)
74 {
75 throw OrthancException(ErrorCode_BadRequest);
76 }
77
78 // OK, the string is free and is not a number
79 enumerationToString_[value] = str;
80 stringToEnumeration_[str] = value;
81 stringToEnumeration_[boost::lexical_cast<std::string>(static_cast<int>(value))] = value;
82 }
83
84 Enumeration Translate(const std::string& str) const
85 {
86 try
87 {
88 int value = boost::lexical_cast<int>(str);
89 return static_cast<Enumeration>(value);
90 }
91 catch (boost::bad_lexical_cast)
92 {
93 }
94
95 typename StringToEnumeration::const_iterator
96 found = stringToEnumeration_.find(str);
97
98 if (found == stringToEnumeration_.end())
99 {
100 throw OrthancException(ErrorCode_InexistentItem);
101 }
102 else
103 {
104 return found->second;
105 }
106 }
107
108 std::string Translate(Enumeration e) const
109 {
110 typename EnumerationToString::const_iterator
111 found = enumerationToString_.find(e);
112
113 if (found == enumerationToString_.end())
114 {
115 // No name for this item
116 return boost::lexical_cast<std::string>(static_cast<int>(e));
117 }
118 else
119 {
120 return found->second;
121 }
122 }
123 };
124 }
125 }