kmail

stl_util.h
1 /*
2  stl_util.h
3 
4  This file is part of KMail, the KDE mail client.
5  Copyright (c) 2004 Marc Mutz <mutz@kde.org>
6 
7  KMail is free software; you can redistribute it and/or modify it
8  under the terms of the GNU General Public License, version 2, as
9  published by the Free Software Foundation.
10 
11  KMail is distributed in the hope that it will be useful, but
12  WITHOUT ANY WARRANTY; without even the implied warranty of
13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  General Public License for more details.
15 
16  You should have received a copy of the GNU General Public License
17  along with this program; if not, write to the Free Software
18  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 
20  In addition, as a special exception, the copyright holders give
21  permission to link the code of this program with any edition of
22  the TQt library by Trolltech AS, Norway (or with modified versions
23  of TQt that use the same license as TQt), and distribute linked
24  combinations including the two. You must obey the GNU General
25  Public License in all respects for all of the code used other than
26  TQt. If you modify this file, you may extend this exception to
27  your version of the file, but you are not obligated to do so. If
28  you do not wish to do so, delete this exception statement from
29  your version.
30 */
31 
32 #ifndef __TDEPIM__KMAIL__STL_UTIL_H__
33 #define __TDEPIM__KMAIL__STL_UTIL_H__
34 
35 #include <algorithm>
36 
37 template <typename T>
38 struct DeleteAndSetToZero {
39  void operator()( const T * & t ) { delete t; t = 0; }
40 };
41 
42 template <typename T>
43 static inline void deleteAll( T & c ) {
44  for ( typename T::iterator it = c.begin() ; it != c.end() ; ++it ) {
45  delete *it ; *it = 0;
46  }
47 }
48 
49 namespace kdtools {
50 
51  template <typename Iterator, typename UnaryPredicate>
52  bool any( Iterator first, Iterator last, UnaryPredicate p )
53  {
54  while ( first != last )
55  if ( p( *first ) )
56  return true;
57  else
58  ++first;
59  return false;
60  }
61 
62 } // namespace kdtools
63 
64 #endif // __TDEPIM__KMAIL__STL_UTIL_H__