57 lines
1.9 KiB
C++
57 lines
1.9 KiB
C++
/*
|
|
Copyright (C) 2001-2006, William Joseph.
|
|
All Rights Reserved.
|
|
|
|
This file is part of GtkRadiant.
|
|
|
|
GtkRadiant is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
GtkRadiant is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with GtkRadiant; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#if !defined( INCLUDED_GENERIC_ENUMERATION_H )
|
|
#define INCLUDED_GENERIC_ENUMERATION_H
|
|
|
|
/// \file
|
|
/// \brief Type safe enumeration.
|
|
|
|
/// \brief An enumerated value.
|
|
///
|
|
/// - Can be forward-declared when the definition of Enumeration is unknown.
|
|
/// - Can only be constructed from valid enumerated values.
|
|
/// - Can only be compared with others of the same type.
|
|
///
|
|
/// \param Enumeration A type that contains an enum \c Value of the allowed values of the enumeration.
|
|
template<typename Enumeration>
|
|
class EnumeratedValue : public Enumeration
|
|
{
|
|
typename Enumeration::Value m_value;
|
|
public:
|
|
explicit EnumeratedValue( typename Enumeration::Value value ) : m_value( value ){
|
|
}
|
|
typename Enumeration::Value get() const {
|
|
return m_value;
|
|
}
|
|
};
|
|
|
|
template<typename Enumeration>
|
|
inline bool operator==( EnumeratedValue<Enumeration> self, EnumeratedValue<Enumeration> other ){
|
|
return self.get() == other.get();
|
|
}
|
|
template<typename Enumeration>
|
|
inline bool operator!=( EnumeratedValue<Enumeration> self, EnumeratedValue<Enumeration> other ){
|
|
return !operator==( self, other );
|
|
}
|
|
|
|
#endif
|