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);
69 virtual ~ArgumentInfoBase();
71 virtual std::string defaultValueStr() const = 0;
74 /** \brief Internal: Argument information structure
76 This class is used to hold argument information for automatically parsed commands.
78 \see ParsedCommandOverloadBase
80 template <class ParameterType>
82 : public ArgumentInfoBase
84 typedef boost::intrusive_ptr<ArgumentInfo> ptr;
85 typedef boost::function<void (ParseCommandInfo::TokensRange const &,
86 ParameterType &)> Parser;
91 ParameterType defaultValue;
94 virtual std::string defaultValueStr() const;
99 // FirstArgType returns void, if the function has no arguments, otherwise it returns arg1_type
101 template <class Traits, bool flag=(Traits::arity>0)>
107 template <class Traits>
108 struct FirstArgType<Traits,true>
110 typedef typename Traits::arg1_type type;
113 template <class FnunctionP, class Function, bool isFN=boost::is_function<Function>::value>
114 struct ParsedCommandTraits_i
117 template <class FunctionP, class Function>
118 struct ParsedCommandTraits_i<FunctionP, Function, true>
120 typedef FunctionP base_type;
121 typedef typename senf::remove_any_pointer<base_type>::type function_type;
122 typedef boost::function_traits<function_type> base_traits;
123 typedef typename FirstArgType<base_traits>::type first_arg_type;
125 static const bool has_ostream_arg = boost::is_same<first_arg_type, std::ostream &>::value;
127 typedef typename boost::mpl::if_c<
129 typename function_traits_remove_arg<base_traits>::type,
133 typedef typename senf::remove_cvref<typename base_traits::result_type>::type result_type;
135 static const bool is_member = boost::is_member_pointer<base_type>::value;
137 typedef typename senf::member_class<base_type>::type class_type;
139 typedef ParsedCommandOverload<traits> Overload;
140 typedef ParsedArgumentAttributor<Overload> Attributor;
143 // Disable auto-parsing for ParseCommandInfo arg -> register manually parsed command
144 template <class FunctionP>
145 struct ParsedCommandTraits_i<FunctionP, void (std::ostream &, ParseCommandInfo const &), true>
148 template <class FunctionP>
149 struct ParsedCommandTraits
150 : public ParsedCommandTraits_i< FunctionP,
151 typename senf::remove_any_pointer<FunctionP>::type >
154 struct ParsedCommandAddNodeAccess;
160 ///////////////////////////////ih.e////////////////////////////////////////
167 // comment-column: 40
168 // c-file-style: "senf"
169 // indent-tabs-mode: nil
170 // ispell-local-dictionary: "american"
171 // compile-command: "scons -u test"