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 ParsedCommand internal header */
26 #ifndef IH_ParsedCommand_
27 #define IH_ParsedCommand_ 1
30 #include <boost/function.hpp>
31 #include <boost/intrusive_ptr.hpp>
34 ///////////////////////////////ih.p////////////////////////////////////////
39 template < class FunctionTraits,
40 class ReturnType=typename FunctionTraits::result_type,
41 unsigned arity=FunctionTraits::arity >
42 class ParsedCommandOverload;
44 template < class Overload,
46 bool flag=(index < unsigned(Overload::traits::arity)) >
47 class ParsedArgumentAttributor;
51 /** \brief Internal: Argument information structure
53 This class is used to hold argument information for automatically parsed commands.
55 \see ParsedCommandOverloadBase
57 struct ArgumentInfoBase
58 : public intrusive_refcount
60 typedef boost::intrusive_ptr<ArgumentInfoBase> ptr;
64 std::string defaultDoc;
68 ArgumentInfoBase(std::string const & type);
70 virtual std::string defaultValueStr() const = 0;
73 /** \brief Internal: Argument information structure
75 This class is used to hold argument information for automatically parsed commands.
77 \see ParsedCommandOverloadBase
79 template <class ParameterType>
81 : public ArgumentInfoBase
83 typedef boost::intrusive_ptr<ArgumentInfo> ptr;
84 typedef boost::function<void (ParseCommandInfo::TokensRange const &,
85 ParameterType &)> Parser;
90 ParameterType defaultValue;
93 virtual std::string defaultValueStr() const;
98 // FirstArgType returns void, if the function has no arguments, otherwise it returns arg1_type
100 template <class Traits, bool flag=(Traits::arity>0)>
106 template <class Traits>
107 struct FirstArgType<Traits,true>
109 typedef typename Traits::arg1_type type;
112 template <class FnunctionP, class Function, bool isFN=boost::is_function<Function>::value>
113 struct ParsedCommandTraits_i
116 template <class FunctionP, class Function>
117 struct ParsedCommandTraits_i<FunctionP, Function, true>
119 typedef FunctionP base_type;
120 typedef typename senf::remove_any_pointer<base_type>::type function_type;
121 typedef boost::function_traits<function_type> base_traits;
122 typedef typename FirstArgType<base_traits>::type first_arg_type;
124 static const bool has_ostream_arg = boost::is_same<first_arg_type, std::ostream &>::value;
126 typedef typename boost::mpl::if_c<
128 typename function_traits_remove_arg<base_traits>::type,
132 typedef typename senf::remove_cvref<typename base_traits::result_type>::type result_type;
134 static const bool is_member = boost::is_member_pointer<base_type>::value;
136 typedef typename senf::member_class<base_type>::type class_type;
138 typedef ParsedCommandOverload<traits> Overload;
139 typedef ParsedArgumentAttributor<Overload> Attributor;
142 // Disable auto-parsing for ParseCommandInfo arg -> register manually parsed command
143 template <class FunctionP>
144 struct ParsedCommandTraits_i<FunctionP, void (std::ostream &, ParseCommandInfo const &), true>
147 template <class FunctionP>
148 struct ParsedCommandTraits
149 : public ParsedCommandTraits_i< FunctionP,
150 typename senf::remove_any_pointer<FunctionP>::type >
153 struct ParsedCommandAddNodeAccess;
159 ///////////////////////////////ih.e////////////////////////////////////////
166 // comment-column: 40
167 // c-file-style: "senf"
168 // indent-tabs-mode: nil
169 // ispell-local-dictionary: "american"
170 // compile-command: "scons -u test"