SALOME documentation central

src/DSC/DSC_User/Datastream/FindKeyPredicate.hxx

00001 //  Copyright (C) 2007-2008  CEA/DEN, EDF R&D, OPEN CASCADE
00002 //
00003 //  Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
00004 //  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
00005 //
00006 //  This library is free software; you can redistribute it and/or
00007 //  modify it under the terms of the GNU Lesser General Public
00008 //  License as published by the Free Software Foundation; either
00009 //  version 2.1 of the License.
00010 //
00011 //  This library is distributed in the hope that it will be useful,
00012 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
00013 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014 //  Lesser General Public License for more details.
00015 //
00016 //  You should have received a copy of the GNU Lesser General Public
00017 //  License along with this library; if not, write to the Free Software
00018 //  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
00019 //
00020 //  See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
00021 //
00022 //  File   : FindKeyPredicate.hxx
00023 //  Author : Eric Fayolle (EDF)
00024 //  Module : KERNEL
00025 // Modified by : $LastChangedBy$
00026 // Date        : $LastChangedDate: 2007-01-08 19:01:14 +0100 (lun, 08 jan 2007) $
00027 // Id          : $Id$
00028 //
00029 #ifndef __FIND_KEY_PREDICATE__
00030 #define __FIND_KEY_PREDICATE__
00031 
00032 #include <functional>
00033 #include <utility>
00034 #include "DisplayPair.hxx"
00035 
00036 template < typename T >
00037 struct FindKeyPredicate : public std::unary_function < T, bool > 
00038 {
00039   T _value;
00040   FindKeyPredicate(const T& value):_value(value){}
00041   inline bool operator()(const T &v1, const T& v2) const {
00042     std::cout << "FindKeyPredicate Generic -> :" << &(v1.first) << std::endl;
00043     return ( v1 == _value );
00044   }
00045 };
00046 
00047 // Pour les MAPs avec une clef sous forme de pair
00048 // template <typename T1, typename T2, typename T3>
00049 // struct FindKeyPredicate<  std::pair<const std::pair<T1,T2>, T3 > > : 
00050 //   public std::binary_function < std::pair<const std::pair<T1,T2>, T3 >,
00051 //                  std::pair<const std::pair<T1,T2>, T3 >, bool > 
00052 // {
00053 //   std::pair<T1,T2> _value;
00054 //   FindKeyPredicate(const std::pair<T1,T2> & value):_value(value){
00055 //     std::cout << "1-Initializing with value " << _value << std::endl;
00056 //   }
00057 //   bool operator()( const std::pair<const std::pair<T1,T2>, T3 > & v1,  
00058 //           const std::pair<const std::pair<T1,T2>, T3 > v2) const {
00059 //     std::cout << "1-> :" << v1 << "," << v2 << " " << std::endl;
00060 //     return (v1.first <= _value ) && (_value < v2.first) ;
00061 //   }
00062 // };
00063 
00064 template <typename T1, typename T2>
00065 struct FindKeyPredicate<  std::pair<T1,T2> > : public std::unary_function < std::pair<T1,T2>, bool > 
00066 {
00067   T1 _value;
00068   FindKeyPredicate(const T1 & value):_value(value){
00069     std::cout << "FindKeyPredicate 2-Initializing with value " << _value << std::endl;
00070   }
00071   
00072   inline bool operator()( const std::pair<T1,T2> & v1) const {
00073     std::cout << "FindKeyPredicate 2-> :" << v1.first << std::endl;
00074     return v1.first == _value  ;
00075   }
00076 };
00077 
00078 #endif