X-Git-Url: http://g0dil.de/git?a=blobdiff_plain;f=Scheduler%2FReadHelper.ih;h=a0a6ae3a47c3f91376b95f277713fb4b31ce3269;hb=9a988902090d28007578e93bffd809f6bd913155;hp=bca58bc867bb8a2a6b3a624418afa4c1174c384b;hpb=ac6a813d9d99f7add4e13aff7a4bcd314d5604a6;p=senf.git

diff --git a/Scheduler/ReadHelper.ih b/Scheduler/ReadHelper.ih
index bca58bc..a0a6ae3 100644
--- a/Scheduler/ReadHelper.ih
+++ b/Scheduler/ReadHelper.ih
@@ -1,6 +1,25 @@
 // $Id$
 //
-// Copyright (C) 2006 
+// 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
@@ -12,20 +31,34 @@
 namespace senf {
 
 
+    /** \brief Abstract predicate interface
+        \internal
+     */
     template <class Handle>
     struct ReadHelper<Handle>::InternalPredicate
     {
-	virtual ~InternalPredicate() {}
-	template <class Predicate>
-	struct Dispatcher
-	    : public ReadHelper<Handle>::InternalPredicate
-	{
-	    Dispatcher(Predicate p) : predicate(p) {}
-	    virtual std::string::size_type operator()(std::string const & data);
-	    Predicate predicate;
-	};
-
-	virtual std::string::size_type operator()(std::string const & data) = 0;
+        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
+        {
+            Dispatcher(Predicate p) : predicate(p) {}
+            virtual std::string::size_type operator()(std::string const & data);
+            Predicate predicate;
+        };
+
+        virtual std::string::size_type operator()(std::string const & data) = 0;
     };
 
 }
@@ -37,4 +70,8 @@ namespace senf {
 
 // Local Variables:
 // mode: c++
+// fill-column: 100
+// c-file-style: "senf"
+// indent-tabs-mode: nil
+// ispell-local-dictionary: "american"
 // End: