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source: code/branches/presentation/src/util/OrxEnum.h @ 2541

Last change on this file since 2541 was 2541, checked in by rgrieder, 15 years ago

Added OrxEnum which is a template class that helps to create enumerations with unlimited entries since they are ints.
The only usage so far is for the ConfigFileType since we have about three predefined ones, but the KeyBinder would like to get new enum entries at run time.

  • Property svn:eol-style set to native
File size: 1.9 KB
Line 
1/*
2 *   ORXONOX - the hottest 3D action shooter ever to exist
3 *                    > www.orxonox.net <
4 *
5 *
6 *   License notice:
7 *
8 *   This program is free software; you can redistribute it and/or
9 *   modify it under the terms of the GNU General Public License
10 *   as published by the Free Software Foundation; either version 2
11 *   of the License, or (at your option) any later version.
12 *
13 *   This program is distributed in the hope that it will be useful,
14 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
15 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 *   GNU General Public License for more details.
17 *
18 *   You should have received a copy of the GNU General Public License
19 *   along with this program; if not, write to the Free Software
20 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
21 *
22 *   Author:
23 *      Reto Grieder
24 *   Co-authors:
25 *      ...
26 *
27 */
28
29/**
30@file
31@brief
32    Declaration of the OrxEnum class.
33*/
34
35#ifndef _OrxEnum_H__
36#define _OrxEnum_H__
37
38#include "UtilPrereqs.h"
39
40namespace orxonox
41{
42    template <class T>
43    struct OrxEnum
44    {
45        public:
46            OrxEnum() { }
47            OrxEnum(int type)                  { type_ = type; }
48            OrxEnum(const T& instance)   { type_ = instance.type_; }
49
50            operator int()                     { return type_; }
51            T& operator =(int type)      { type_ = type; return *this; }
52            bool operator <(const T& right) const { return (type_ < right.type_); }
53            bool operator >(const T& right) const { return (type_ > right.type_); }
54
55        private:
56            OrxEnum(const OrxEnum& instance);
57            int type_;
58    };
59}
60
61#define OrxEnumConstructors(enumName)              \
62enumName() { }                                     \
63enumName(int type) : OrxEnum<enumName>(type)   { } \
64enumName(const enumName& inst) : OrxEnum(inst) { } \
65void dummyFunction()
66
67#endif /* _OrxEnum_H__ */
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