4 // Fraunhofer Institute for Open Communication Systems (FOKUS)
5 // Competence Center NETwork research (NET), St. Augustin, GERMANY
6 // Stefan Bund <g0dil@berlios.de>
8 // This program is free software; you can redistribute it and/or modify
9 // it under the terms of the GNU General Public License as published by
10 // the Free Software Foundation; either version 2 of the License, or
11 // (at your option) any later version.
13 // This program is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 // GNU General Public License for more details.
18 // You should have received a copy of the GNU General Public License
19 // along with this program; if not, write to the
20 // Free Software Foundation, Inc.,
21 // 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24 \brief Variables internal header */
27 #define IH_Variables_ 1
30 #include <boost/function.hpp>
31 #include <boost/type_traits/is_const.hpp>
33 ///////////////////////////////ih.p////////////////////////////////////////
38 template <class Variable> class ConstVariableAttributor;
39 template <class Variable> class VariableAttributor;
43 template <class Variable>
46 typedef Variable const & Signature ();
47 typedef boost::function<Signature> Function;
48 typedef detail::ParsedCommandTraits<Signature> Traits;
50 QueryVariable(Variable const & var);
52 Variable const & operator()() const;
54 Variable const & var_;
57 template <class Variable>
60 typedef void Signature (Variable &);
61 typedef boost::function<Signature> Function;
62 typedef detail::ParsedCommandTraits<Signature> Traits;
63 typedef boost::function<void (Variable const &)> OnChangeHandler;
65 SetVariable(Variable & var);
67 void operator()(Variable const & value) const;
68 void onChange(OnChangeHandler handler);
71 OnChangeHandler handler_;
74 template <class Variable, bool isConst=boost::is_const<Variable>::value>
75 struct VariableNodeCreator
77 typedef VariableAttributor<Variable> result_type;
78 static VariableAttributor<Variable> add(DirectoryNode & node, std::string const & name,
82 template <class Variable>
83 struct VariableNodeCreator<Variable, true>
85 typedef ConstVariableAttributor<Variable> result_type;
86 static ConstVariableAttributor<Variable> add(DirectoryNode & node, std::string const & name,
92 ///////////////////////////////ih.e////////////////////////////////////////
100 // c-file-style: "senf"
101 // indent-tabs-mode: nil
102 // ispell-local-dictionary: "american"
103 // compile-command: "scons -u test"