Lunchbox  1.4.0
hash.h
00001 
00002 /* Copyright (c) 2005-2012, Stefan Eilemann <eile@equalizergraphics.com> 
00003  *
00004  * This library is free software; you can redistribute it and/or modify it under
00005  * the terms of the GNU Lesser General Public License version 2.1 as published
00006  * by the Free Software Foundation.
00007  *  
00008  * This library is distributed in the hope that it will be useful, but WITHOUT
00009  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
00010  * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
00011  * details.
00012  * 
00013  * You should have received a copy of the GNU Lesser General Public License
00014  * along with this library; if not, write to the Free Software Foundation, Inc.,
00015  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
00016  */
00017 
00018 #ifndef LUNCHBOX_HASH_H
00019 #define LUNCHBOX_HASH_H
00020 
00021 #include <lunchbox/refPtr.h>
00022 #include <lunchbox/stdExt.h>
00023 
00024 namespace lunchbox
00025 {
00027     template<class K, class T> class PtrHash 
00028 #ifdef _MSC_VER
00029         : public stde::hash_map< K, T, stde::hash_compare< const void* > >
00030 #else
00031         : public stde::hash_map< K, T, stde::hash< const void* > >
00032 #endif
00033     {};
00034 
00036 #ifdef _MSC_VER
00037     template< typename T >
00038     class hashRefPtr : public stde::hash_compare< RefPtr< T > >
00039     {
00040     public:
00041         size_t operator() ( const RefPtr< T >& key ) const
00042         {
00043             stde::hash_compare< const void* > comp;
00044             return comp( key.get( ));
00045         }
00046 
00047         bool operator() ( const RefPtr< T >& k1, const RefPtr< T >& k2 ) const
00048         {
00049             return k1 < k2;
00050         }
00051     };
00052 
00053     template< class K, class T > class RefPtrHash 
00054         : public stde::hash_map< RefPtr< K >, T, hashRefPtr< K > >
00055     {};
00056 
00057 #else
00058     template< typename T > struct hashRefPtr
00059     {
00060         size_t operator()( RefPtr< T > key ) const
00061         {
00062             return stde::hash< const void* >()( key.get() );
00063         }
00064     };
00065 
00067     template< class K, class T > class RefPtrHash 
00068         : public stde::hash_map< RefPtr< K >, T, hashRefPtr< K > >
00069     {};
00070 #endif
00071 
00073 template<class T> class UUIDHash : public stde::hash_map<lunchbox::UUID, T> {};
00074 
00075 }
00076 #endif // LUNCHBOX_HASH_H