// $Id$
//
+// Copyright (C) 2006 Stefan Bund <g0dil@berlios.de>
+//
+// This program 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.
+//
+// This program 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 this program; if not, write to the
+// Free Software Foundation, Inc.,
+// 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
// Copyright (C) 2006
+/** \file
+ \brief ReadHelper internal header */
+
#ifndef IH_ReadHelper_
#define IH_ReadHelper_ 1
namespace senf {
+ /** \brief Abstract predicate interface
+ \internal
+ */
template <class Handle>
struct ReadHelper<Handle>::InternalPredicate
{
virtual ~InternalPredicate() {}
+
+ /** \brief template to runtime polymorphic barrier for the predicate interface
+ \internal
+
+ \implementation This class will provide a polymorphic
+ wrapper around the non-polymorphic ReadHelper
+ predicate. This is used, so the predicate can be
+ specified as an arbitrary callable object (even a
+ boost::function or a Boost.Lambda expression) without
+ imposing any inheritance relationship on the predicate
+ */
template <class Predicate>
struct Dispatcher
: public ReadHelper<Handle>::InternalPredicate