worldspawn/libs/generic/arrayrange.h
2020-11-17 12:16:16 +01:00

70 lines
2.1 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_ARRAYRANGE_H )
#define INCLUDED_GENERIC_ARRAYRANGE_H
/// \file
/// \brief Macros for automatically converting a compile-time-sized array to a range.
template<typename Element>
struct ArrayRange
{
typedef Element* Iterator;
ArrayRange( Iterator first, Iterator last )
: first( first ), last( last ){
}
Iterator first;
Iterator last;
};
template<typename Element>
inline ArrayRange<Element> makeArrayRange( Element* first, Element* last ){
return ArrayRange<Element>( first, last );
}
template<typename Element>
struct ArrayConstRange
{
typedef const Element* Iterator;
ArrayConstRange( Iterator first, Iterator last )
: first( first ), last( last ){
}
Iterator first;
Iterator last;
};
template<typename Element>
inline ArrayConstRange<Element> makeArrayRange( const Element* first, const Element* last ){
return ArrayConstRange<Element>( first, last );
}
#define ARRAY_SIZE( array ) ( sizeof( array ) / sizeof( *array ) )
#define ARRAY_END( array ) ( array + ARRAY_SIZE( array ) )
#define ARRAY_RANGE( array ) ( makeArrayRange( array, ARRAY_END( array ) ) )
typedef ArrayConstRange<const char*> StringArrayRange;
#define STRING_ARRAY_RANGE( array ) ( StringArrayRange( array, ARRAY_END( array ) ) )
typedef ArrayRange<const char> StringRange;
#endif