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 Boost.Preprocesser external iteration include */
26 #if !BOOST_PP_IS_ITERATING && !defined(MPP_ParsedCommand_)
27 #define MPP_ParsedCommand_ 1
30 #include <boost/preprocessor/iteration/iterate.hpp>
31 #include <boost/preprocessor/repetition/enum_trailing.hpp>
32 #include <boost/preprocessor/repetition/enum_params.hpp>
33 #include <boost/preprocessor/repetition/enum_binary_params.hpp>
34 #include <boost/preprocessor/cat.hpp>
35 #include <boost/preprocessor/arithmetic/inc.hpp>
36 #include <boost/preprocessor/arithmetic/sub.hpp>
37 #include <boost/preprocessor/repetition/repeat.hpp>
38 #include <boost/type_traits/remove_reference.hpp>
39 #include <boost/type_traits/remove_const.hpp>
40 #include <boost/bind.hpp>
42 // ///////////////////////////mpp.p////////////////////////////////////////
43 #elif BOOST_PP_IS_ITERATING // ////////////////////////////////////////////
44 // ////////////////////////////////////////////////////////////////////////
47 #define mpp_ArgTypeN(n) BOOST_PP_CAT(BOOST_PP_CAT(arg, BOOST_PP_INC(n)), _type)
48 #define mpp_ArgN(n) BOOST_PP_CAT(arg, BOOST_PP_INC(n))
50 #define mpp_ArgTypes_(z,n,d) typename traits::mpp_ArgTypeN(n)
51 #define mpp_TrailingArgTypes() BOOST_PP_ENUM_TRAILING( BOOST_PP_ITERATION(), mpp_ArgTypes_, _ )
53 #define mpp_Args_(z,n,d) boost::cref(mpp_ArgN(n))
54 #define mpp_TrailingArgs() BOOST_PP_ENUM_TRAILING( BOOST_PP_ITERATION(), mpp_Args_, _ )
56 #define mpp_BindArgs_(z,n,d) BOOST_PP_CAT( _, BOOST_PP_INC(BOOST_PP_INC(n)))
57 #define mpp_TrailingBindArgs() BOOST_PP_ENUM_TRAILING( BOOST_PP_ITERATION(), mpp_BindArgs_, _ )
59 // ////////////////////////////////////////////////////////////////////////
60 #if BOOST_PP_ITERATION_FLAGS()==1 // //////////////////////////////////////
61 // ////////////////////////////////////////////////////////////////////////
65 template <class FunctionTraits>
66 class ParsedCommandOverload<FunctionTraits, BOOST_PP_ITERATION() >
67 : public ParsedCommandOverloadBase
70 typedef boost::intrusive_ptr<ParsedCommandOverload> ptr;
71 typedef FunctionTraits traits;
72 typedef boost::function<typename traits::result_type(std::ostream &
73 mpp_TrailingArgTypes())> Function;
75 # define mpp_l(z,n,d) \
76 typedef typename senf::remove_cvref< typename traits::mpp_ArgTypeN(n) >::type \
78 BOOST_PP_REPEAT( BOOST_PP_ITERATION(), mpp_l, _ )
81 static ptr create(Function fn);
86 ParsedCommandOverload(Function fn);
88 virtual void v_execute(std::ostream & os, ParseCommandInfo const & command) const;
93 // ////////////////////////////////////////////////////////////////////////
94 #elif BOOST_PP_ITERATION_FLAGS()==2 // ////////////////////////////////////
95 // ////////////////////////////////////////////////////////////////////////
97 // inline template implementation (.cti)
99 template <class FunctionTraits>
100 prefix_ typename senf::console::ParsedCommandOverload<FunctionTraits, BOOST_PP_ITERATION() >::ptr
101 senf::console::ParsedCommandOverload<FunctionTraits, BOOST_PP_ITERATION() >::create(Function fn)
103 return ptr(new ParsedCommandOverload(fn));
106 template <class FunctionTraits>
108 senf::console::ParsedCommandOverload<FunctionTraits,BOOST_PP_ITERATION()>::
109 ParsedCommandOverload(Function fn)
112 # define mpp_l(z,n,d) addParameter< mpp_ArgTypeN(n) >();
113 BOOST_PP_REPEAT( BOOST_PP_ITERATION(), mpp_l, _ )
117 // ////////////////////////////////////////////////////////////////////////
118 #elif BOOST_PP_ITERATION_FLAGS()==3 // ////////////////////////////////////
119 // ////////////////////////////////////////////////////////////////////////
121 // non-inline template implementation (.ct)
123 template <class FunctionTraits>
124 prefix_ void senf::console::ParsedCommandOverload<FunctionTraits, BOOST_PP_ITERATION() >::
125 v_execute(std::ostream & os, ParseCommandInfo const & command)
128 if ( command.arguments().size() > BOOST_PP_ITERATION() )
129 throw SyntaxErrorException("invalid number of arguments");
130 int nDefaults ( BOOST_PP_ITERATION() - command.arguments().size() );
132 typedef typename boost::range_const_reverse_iterator<ParseCommandInfo::ArgumentsRange>::type
134 riterator i (boost::rbegin(command.arguments()));
135 riterator const i_end (boost::rend(command.arguments()));
137 # define mpp_l(z,n,d) \
138 mpp_ArgTypeN(n) mpp_ArgN(n) (arg< mpp_ArgTypeN(n) >( n ).defaultValue); \
139 if (! arg(n).hasDefault || nDefaults-- <= 0) { \
141 throw SyntaxErrorException("invalid number of arguments"); \
142 if (arg< mpp_ArgTypeN(n) >(n).parser) \
143 arg< mpp_ArgTypeN(n) >(n).parser( *(i++), mpp_ArgN(n) ); \
145 ArgumentTraits< mpp_ArgTypeN(n) >::parse( *(i++), mpp_ArgN(n) ); \
147 # define mpp_l_(z,n,d) mpp_l(z, BOOST_PP_SUB(BOOST_PP_DEC(BOOST_PP_ITERATION()), n), d)
148 BOOST_PP_REPEAT( BOOST_PP_ITERATION(), mpp_l_, _ )
152 detail::CheckVoidReturn<typename traits::result_type>::call(
153 boost::bind(function_, boost::ref(os)
158 // ////////////////////////////////////////////////////////////////////////
159 #elif BOOST_PP_ITERATION_FLAGS()==4 // ////////////////////////////////////
160 // ////////////////////////////////////////////////////////////////////////
162 // CreateParsedCommandOverload
164 template <class Traits>
165 struct CreateParsedCommandOverload<Traits, true, BOOST_PP_ITERATION()>
167 typedef Traits traits;
169 template <class Function>
170 static typename senf::console::ParsedCommandOverload<traits>::ptr create(Function fn)
172 return senf::console::ParsedCommandOverload<traits>::create(
173 boost::bind(fn mpp_TrailingBindArgs()) );
178 // ////////////////////////////////////////////////////////////////////////
179 #elif BOOST_PP_ITERATION_FLAGS()==5 // ////////////////////////////////////
180 // ////////////////////////////////////////////////////////////////////////
182 // Create keyword arg forwarding functions
184 template <BOOST_PP_ENUM_PARAMS( BOOST_PP_ITERATION(), class A ) >
185 next_type arg ( BOOST_PP_ENUM_BINARY_PARAMS( BOOST_PP_ITERATION(), A, const & a ),
186 typename arg_params::match< BOOST_PP_ENUM_PARAMS( BOOST_PP_ITERATION(), A ) >::type
187 kw = arg_params()) const {
188 return argInfo( kw(BOOST_PP_ENUM_PARAMS( BOOST_PP_ITERATION(), a )) );
191 // ////////////////////////////////////////////////////////////////////////
192 #endif // /////////////////////////////////////////////////////////////////
193 // ////////////////////////////////////////////////////////////////////////
194 // Undefine local Macros
196 #undef mpp_TrailingArgs
199 #undef mpp_TrailingArgTypes
205 // ////////////////////////////////////////////////////////////////////////
206 #endif // /////////////////////////////////////////////////////////////////
207 // ///////////////////////////mpp.e////////////////////////////////////////
213 // comment-column: 40
214 // c-file-style: "senf"
215 // indent-tabs-mode: nil
216 // ispell-local-dictionary: "american"
217 // compile-command: "scons -u test"