Mercurial > hg > orthanc
annotate Core/EnumerationDictionary.h @ 1102:ce6386b37afd
avoid unnecessary exceptions on Orthanc startup
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 07 Aug 2014 10:51:35 +0200 |
| parents | 2d0a347e8cfc |
| children | bec1eccf976c |
| rev | line source |
|---|---|
| 434 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 689 | 3 * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege, |
| 434 | 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 | |
|
1102
ce6386b37afd
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Sebastien Jodogne <s.jodogne@gmail.com>
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37 #include "Toolbox.h" |
| 434 | 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 Add(Enumeration value, const std::string& str) | |
| 58 { | |
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59 // Check if these values are free |
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60 if (enumerationToString_.find(value) != enumerationToString_.end() || |
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61 stringToEnumeration_.find(str) != stringToEnumeration_.end() || |
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parents:
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diff
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62 Toolbox::IsInteger(str) /* Prevent the registration of a number */) |
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63 { |
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64 throw OrthancException(ErrorCode_BadRequest); |
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65 } |
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66 |
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67 // OK, the string is free and is not a number |
| 434 | 68 enumerationToString_[value] = str; |
| 69 stringToEnumeration_[str] = value; | |
| 70 stringToEnumeration_[boost::lexical_cast<std::string>(static_cast<int>(value))] = value; | |
| 71 } | |
| 72 | |
| 73 Enumeration Translate(const std::string& str) const | |
| 74 { | |
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75 try |
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76 { |
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77 int value = boost::lexical_cast<int>(str); |
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78 return static_cast<Enumeration>(value); |
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79 } |
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80 catch (boost::bad_lexical_cast) |
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81 { |
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82 } |
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83 |
| 434 | 84 typename StringToEnumeration::const_iterator |
| 85 found = stringToEnumeration_.find(str); | |
| 86 | |
| 87 if (found == stringToEnumeration_.end()) | |
| 88 { | |
| 89 throw OrthancException(ErrorCode_InexistentItem); | |
| 90 } | |
| 91 else | |
| 92 { | |
| 93 return found->second; | |
| 94 } | |
| 95 } | |
| 96 | |
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97 std::string Translate(Enumeration e) const |
| 434 | 98 { |
| 99 typename EnumerationToString::const_iterator | |
| 100 found = enumerationToString_.find(e); | |
| 101 | |
| 102 if (found == enumerationToString_.end()) | |
| 103 { | |
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104 // No name for this item |
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105 return boost::lexical_cast<std::string>(static_cast<int>(e)); |
| 434 | 106 } |
| 107 else | |
| 108 { | |
| 109 return found->second; | |
| 110 } | |
| 111 } | |
| 112 }; | |
| 113 } | |
| 114 } |