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12b372f89c
git-svn-id: svn://svn.icculus.org/gtkradiant/GtkRadiant@1 8a3a26a2-13c4-0310-b231-cf6edde360e5
60 lines
1.8 KiB
C++
60 lines
1.8 KiB
C++
/*
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Copyright (C) 2001-2006, William Joseph.
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All Rights Reserved.
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This file is part of GtkRadiant.
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GtkRadiant is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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GtkRadiant is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GtkRadiant; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#if !defined(INCLUDED_GENERIC_ENUMERATION_H)
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#define INCLUDED_GENERIC_ENUMERATION_H
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/// \file
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/// \brief Type safe enumeration.
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/// \brief An enumerated value.
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///
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/// - Can be forward-declared when the definition of Enumeration is unknown.
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/// - Can only be constructed from valid enumerated values.
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/// - Can only be compared with others of the same type.
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///
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/// \param Enumeration A type that contains an enum \c Value of the allowed values of the enumeration.
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template<typename Enumeration>
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class EnumeratedValue : public Enumeration
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{
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typename Enumeration::Value m_value;
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public:
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explicit EnumeratedValue(typename Enumeration::Value value) : m_value(value)
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{
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}
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typename Enumeration::Value get() const
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{
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return m_value;
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}
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};
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template<typename Enumeration>
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inline bool operator==(EnumeratedValue<Enumeration> self, EnumeratedValue<Enumeration> other)
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{
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return self.get() == other.get();
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}
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template<typename Enumeration>
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inline bool operator!=(EnumeratedValue<Enumeration> self, EnumeratedValue<Enumeration> other)
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{
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return !operator==(self, other);
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}
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#endif
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