stl_util.h
00001 /* -*- c++ -*- 00002 stl_util.h 00003 00004 This file is part of KMail, the KDE mail client. 00005 Copyright (c) 2004 Marc Mutz <mutz@kde.org> 00006 00007 KMail is free software; you can redistribute it and/or modify it 00008 under the terms of the GNU General Public License, version 2, as 00009 published by the Free Software Foundation. 00010 00011 KMail is distributed in the hope that it will be useful, but 00012 WITHOUT ANY WARRANTY; without even the implied warranty of 00013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00014 General Public License for more details. 00015 00016 You should have received a copy of the GNU General Public License 00017 along with this program; if not, write to the Free Software 00018 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00019 00020 In addition, as a special exception, the copyright holders give 00021 permission to link the code of this program with any edition of 00022 the TQt library by Trolltech AS, Norway (or with modified versions 00023 of TQt that use the same license as TQt), and distribute linked 00024 combinations including the two. You must obey the GNU General 00025 Public License in all respects for all of the code used other than 00026 TQt. If you modify this file, you may extend this exception to 00027 your version of the file, but you are not obligated to do so. If 00028 you do not wish to do so, delete this exception statement from 00029 your version. 00030 */ 00031 00032 #ifndef __TDEPIM__KMAIL__STL_UTIL_H__ 00033 #define __TDEPIM__KMAIL__STL_UTIL_H__ 00034 00035 #include <algorithm> 00036 00037 template <typename T> 00038 struct DeleteAndSetToZero { 00039 void operator()( const T * & t ) { delete t; t = 0; } 00040 }; 00041 00042 template <typename T> 00043 static inline void deleteAll( T & c ) { 00044 for ( typename T::iterator it = c.begin() ; it != c.end() ; ++it ) { 00045 delete *it ; *it = 0; 00046 } 00047 } 00048 00049 namespace kdtools { 00050 00051 template <typename Iterator, typename UnaryPredicate> 00052 bool any( Iterator first, Iterator last, UnaryPredicate p ) 00053 { 00054 while ( first != last ) 00055 if ( p( *first ) ) 00056 return true; 00057 else 00058 ++first; 00059 return false; 00060 } 00061 00062 } // namespace kdtools 00063 00064 #endif // __TDEPIM__KMAIL__STL_UTIL_H__