epoc32/include/stdapis/boost/assign/list_inserter.hpp
branchSymbian2
changeset 2 2fe1408b6811
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/epoc32/include/stdapis/boost/assign/list_inserter.hpp	Tue Mar 16 16:12:26 2010 +0000
     1.3 @@ -0,0 +1,404 @@
     1.4 +// Boost.Assign library
     1.5 +//
     1.6 +//  Copyright Thorsten Ottosen 2003-2004. Use, modification and
     1.7 +//  distribution is subject to the Boost Software License, Version
     1.8 +//  1.0. (See accompanying file LICENSE_1_0.txt or copy at
     1.9 +//  http://www.boost.org/LICENSE_1_0.txt)
    1.10 +//
    1.11 +// For more information, see http://www.boost.org/libs/assign/
    1.12 +//
    1.13 +
    1.14 +#ifndef BOOST_ASSIGN_LIST_INSERTER_HPP
    1.15 +#define BOOST_ASSIGN_LIST_INSERTER_HPP
    1.16 +
    1.17 +#if defined(_MSC_VER) && (_MSC_VER >= 1020)
    1.18 +# pragma once
    1.19 +#endif
    1.20 +
    1.21 +#include <boost/detail/workaround.hpp>
    1.22 +
    1.23 +#include <boost/mpl/if.hpp>
    1.24 +#include <boost/type_traits/is_same.hpp>
    1.25 +#include <boost/range/begin.hpp>
    1.26 +#include <boost/range/end.hpp>
    1.27 +#include <boost/config.hpp>
    1.28 +#include <cstddef>
    1.29 +
    1.30 +#include <boost/preprocessor/repetition/enum_binary_params.hpp>
    1.31 +#include <boost/preprocessor/repetition/enum_params.hpp>
    1.32 +#include <boost/preprocessor/cat.hpp>
    1.33 +#include <boost/preprocessor/iteration/local.hpp>
    1.34 +#include <boost/preprocessor/arithmetic/inc.hpp>
    1.35 +
    1.36 +namespace boost
    1.37 +{
    1.38 +namespace assign_detail
    1.39 +{
    1.40 +    template< class T >
    1.41 +    struct repeater
    1.42 +    {
    1.43 +        std::size_t  sz;
    1.44 +        T            val;
    1.45 +
    1.46 +        repeater( std::size_t sz, T r ) : sz( sz ), val( r )
    1.47 +        { }
    1.48 +    };
    1.49 +    
    1.50 +    template< class Fun >
    1.51 +    struct fun_repeater
    1.52 +    {
    1.53 +        std::size_t  sz;
    1.54 +        Fun          val;
    1.55 +        
    1.56 +        fun_repeater( std::size_t sz, Fun r ) : sz( sz ), val( r )
    1.57 +        { }
    1.58 +    };
    1.59 +    
    1.60 +    template< class C >
    1.61 +    class call_push_back
    1.62 +    {
    1.63 +        C& c_;
    1.64 +    public:
    1.65 +        call_push_back( C& c ) : c_( c )
    1.66 +        { }
    1.67 +        
    1.68 +        template< class T >
    1.69 +        void operator()( T r ) 
    1.70 +        {
    1.71 +            c_.push_back( r );
    1.72 +        }
    1.73 +    };
    1.74 +    
    1.75 +    template< class C >
    1.76 +    class call_push_front
    1.77 +    {
    1.78 +        C& c_;
    1.79 +    public:
    1.80 +        call_push_front( C& c ) : c_( c )
    1.81 +        { }
    1.82 +        
    1.83 +        template< class T >
    1.84 +        void operator()( T r ) 
    1.85 +        {
    1.86 +            c_.push_front( r );
    1.87 +        }
    1.88 +    };
    1.89 +    
    1.90 +    template< class C >
    1.91 +    class call_push
    1.92 +    {
    1.93 +        C& c_;
    1.94 +    public:
    1.95 +        call_push( C& c ) : c_( c )
    1.96 +        { }
    1.97 +    
    1.98 +        template< class T >
    1.99 +        void operator()( T r ) 
   1.100 +        {
   1.101 +            c_.push( r );
   1.102 +        }
   1.103 +    };
   1.104 +    
   1.105 +    template< class C >
   1.106 +    class call_insert
   1.107 +    {
   1.108 +        C& c_;
   1.109 +    public:
   1.110 +        call_insert( C& c ) : c_( c )
   1.111 +        { }
   1.112 +    
   1.113 +        template< class T >
   1.114 +        void operator()( T r ) 
   1.115 +        {
   1.116 +            c_.insert( r );
   1.117 +        }
   1.118 +    };
   1.119 +
   1.120 +    template< class C >
   1.121 +    class call_add_edge
   1.122 +    {
   1.123 +        C& c_;
   1.124 +    public:
   1.125 +        call_add_edge( C& c ) : c_(c)
   1.126 +        { }
   1.127 +
   1.128 +        template< class T >
   1.129 +        void operator()( T l, T r )
   1.130 +        {
   1.131 +            add_edge( l, r, c_ );
   1.132 +        }
   1.133 +
   1.134 +        template< class T, class EP >
   1.135 +        void operator()( T l, T r, const EP& ep )
   1.136 +        {
   1.137 +            add_edge( l, r, ep, c_ );
   1.138 +        }
   1.139 +
   1.140 +    };
   1.141 +    
   1.142 +    struct forward_n_arguments {};
   1.143 +    
   1.144 +} // namespace 'assign_detail'
   1.145 +
   1.146 +namespace assign
   1.147 +{
   1.148 +
   1.149 +    template< class T >
   1.150 +    inline assign_detail::repeater<T>
   1.151 +    repeat( std::size_t sz, T r )
   1.152 +    {
   1.153 +        return assign_detail::repeater<T>( sz, r );
   1.154 +    }
   1.155 +    
   1.156 +    template< class Function >
   1.157 +    inline assign_detail::fun_repeater<Function>
   1.158 +    repeat_fun( std::size_t sz, Function r )
   1.159 +    {
   1.160 +        return assign_detail::fun_repeater<Function>( sz, r );
   1.161 +    }
   1.162 +    
   1.163 +
   1.164 +    template< class Function, class Argument = assign_detail::forward_n_arguments > 
   1.165 +    class list_inserter
   1.166 +    {
   1.167 +        struct single_arg_type {};
   1.168 +        struct n_arg_type      {};
   1.169 +
   1.170 +        typedef BOOST_DEDUCED_TYPENAME mpl::if_c< is_same<Argument,assign_detail::forward_n_arguments>::value,
   1.171 +                                                  n_arg_type,
   1.172 +                                                  single_arg_type >::type arg_type;  
   1.173 +            
   1.174 +    public:
   1.175 +        
   1.176 +        list_inserter( Function fun ) : insert_( fun )
   1.177 +        {}
   1.178 +        
   1.179 +        template< class Function2, class Arg >
   1.180 +        list_inserter( const list_inserter<Function2,Arg>& r ) 
   1.181 +        : insert_( r.fun_private() ) 
   1.182 +        {}
   1.183 +
   1.184 +        list_inserter( const list_inserter& r ) : insert_( r.insert_ )
   1.185 +        {}
   1.186 +
   1.187 +        list_inserter& operator()()
   1.188 +        {
   1.189 +            insert_( Argument() );
   1.190 +            return *this;
   1.191 +        }
   1.192 +        
   1.193 +        template< class T >
   1.194 +        list_inserter& operator=( const T& r )
   1.195 +        {
   1.196 +            insert_( r );
   1.197 +            return *this;
   1.198 +        }
   1.199 +        
   1.200 +        template< class T >
   1.201 +        list_inserter& operator=( assign_detail::repeater<T> r )
   1.202 +        {
   1.203 +            return operator,( r );
   1.204 +        }
   1.205 +        
   1.206 +        template< class Nullary_function >
   1.207 +        list_inserter& operator=( const assign_detail::fun_repeater<Nullary_function>& r )
   1.208 +        {
   1.209 +            //BOOST_STATIC_ASSERT( function_traits<Nullary_function>::arity == 0 );
   1.210 +            //BOOST_STATIC_ASSERT( is_convertible< BOOST_DEDUCED_TYPENAME function_traits<
   1.211 +            //                      Nullary_function>::result_type >,T>::value );
   1.212 +
   1.213 +            return operator,( r );
   1.214 +        }
   1.215 +        
   1.216 +        template< class T >
   1.217 +        list_inserter& operator,( const T& r )
   1.218 +        {
   1.219 +            insert_( r  );
   1.220 +            return *this;
   1.221 +        }
   1.222 +
   1.223 +#if BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3205))
   1.224 +        template< class T >
   1.225 +        list_inserter& operator,( const assign_detail::repeater<T> & r )
   1.226 +        {
   1.227 +            return repeat( r.sz, r.val ); 
   1.228 +        }
   1.229 +#else
   1.230 +        template< class T >
   1.231 +        list_inserter& operator,( assign_detail::repeater<T> r )
   1.232 +        {
   1.233 +            return repeat( r.sz, r.val ); 
   1.234 +        }
   1.235 +#endif
   1.236 +        
   1.237 +        template< class Nullary_function >
   1.238 +        list_inserter& operator,( const assign_detail::fun_repeater<Nullary_function>& r )
   1.239 +        {
   1.240 +            return repeat_fun( r.sz, r.val ); 
   1.241 +        }
   1.242 +
   1.243 +        template< class T >
   1.244 +        list_inserter& repeat( std::size_t sz, T r )
   1.245 +        {
   1.246 +            std::size_t i = 0;
   1.247 +            while( i++ != sz )
   1.248 +                insert_( r );
   1.249 +            return *this;
   1.250 +        }
   1.251 +        
   1.252 +        template< class Nullary_function >
   1.253 +        list_inserter& repeat_fun( std::size_t sz, Nullary_function fun )
   1.254 +        {
   1.255 +            std::size_t i = 0;
   1.256 +            while( i++ != sz )
   1.257 +                insert_( fun() );
   1.258 +            return *this;
   1.259 +        }
   1.260 +
   1.261 +        template< class SinglePassIterator >
   1.262 +        list_inserter& range( SinglePassIterator first, 
   1.263 +                              SinglePassIterator last )
   1.264 +        {
   1.265 +            for( ; first != last; ++first )
   1.266 +                insert_( *first );
   1.267 +            return *this;
   1.268 +        }
   1.269 +        
   1.270 +        template< class SinglePassRange >
   1.271 +        list_inserter& range( const SinglePassRange& r )
   1.272 +        {
   1.273 +            return range( boost::begin(r), boost::end(r) );
   1.274 +        }
   1.275 +        
   1.276 +        template< class T >
   1.277 +        list_inserter& operator()( const T& t )
   1.278 +        {
   1.279 +            insert_( t );
   1.280 +            return *this;
   1.281 +        }
   1.282 +
   1.283 +#ifndef BOOST_ASSIGN_MAX_PARAMS // use user's value
   1.284 +#define BOOST_ASSIGN_MAX_PARAMS 5        
   1.285 +#endif
   1.286 +#define BOOST_ASSIGN_MAX_PARAMETERS (BOOST_ASSIGN_MAX_PARAMS - 1)
   1.287 +#define BOOST_ASSIGN_PARAMS1(n) BOOST_PP_ENUM_PARAMS(n, class T)
   1.288 +#define BOOST_ASSIGN_PARAMS2(n) BOOST_PP_ENUM_BINARY_PARAMS(n, T, const& t)
   1.289 +#define BOOST_ASSIGN_PARAMS3(n) BOOST_PP_ENUM_PARAMS(n, t)
   1.290 +        
   1.291 +#define BOOST_PP_LOCAL_LIMITS (1, BOOST_ASSIGN_MAX_PARAMETERS)
   1.292 +#define BOOST_PP_LOCAL_MACRO(n) \
   1.293 +    template< class T, BOOST_ASSIGN_PARAMS1(n) > \
   1.294 +    list_inserter& operator()(T t, BOOST_ASSIGN_PARAMS2(n) ) \
   1.295 +        { \
   1.296 +            BOOST_PP_CAT(insert, BOOST_PP_INC(n))(t, BOOST_ASSIGN_PARAMS3(n), arg_type()); \
   1.297 +            return *this; \
   1.298 +        } \
   1.299 +        /**/
   1.300 +
   1.301 +#include BOOST_PP_LOCAL_ITERATE()
   1.302 +        
   1.303 +
   1.304 +#define BOOST_PP_LOCAL_LIMITS (1, BOOST_ASSIGN_MAX_PARAMETERS)
   1.305 +#define BOOST_PP_LOCAL_MACRO(n) \
   1.306 +    template< class T, BOOST_ASSIGN_PARAMS1(n) > \
   1.307 +    void BOOST_PP_CAT(insert, BOOST_PP_INC(n))(T const& t, BOOST_ASSIGN_PARAMS2(n), single_arg_type) \
   1.308 +    { \
   1.309 +        insert_( Argument(t, BOOST_ASSIGN_PARAMS3(n) )); \
   1.310 +    } \
   1.311 +    /**/
   1.312 +        
   1.313 +#include BOOST_PP_LOCAL_ITERATE()
   1.314 +
   1.315 +#define BOOST_PP_LOCAL_LIMITS (1, BOOST_ASSIGN_MAX_PARAMETERS)
   1.316 +#define BOOST_PP_LOCAL_MACRO(n) \
   1.317 +    template< class T, BOOST_ASSIGN_PARAMS1(n) > \
   1.318 +    void BOOST_PP_CAT(insert, BOOST_PP_INC(n))(T const& t, BOOST_ASSIGN_PARAMS2(n), n_arg_type) \
   1.319 +    { \
   1.320 +        insert_(t, BOOST_ASSIGN_PARAMS3(n) ); \
   1.321 +    } \
   1.322 +    /**/
   1.323 +        
   1.324 +#include BOOST_PP_LOCAL_ITERATE()
   1.325 +
   1.326 +        
   1.327 +        Function fun_private() const
   1.328 +        {
   1.329 +            return insert_;
   1.330 +        }
   1.331 +
   1.332 +    private:
   1.333 +        
   1.334 +        list_inserter& operator=( const list_inserter& );
   1.335 +        Function insert_;
   1.336 +    };
   1.337 +    
   1.338 +    template< class Function >
   1.339 +    inline list_inserter< Function >
   1.340 +    make_list_inserter( Function fun )
   1.341 +    {
   1.342 +        return list_inserter< Function >( fun );
   1.343 +    }
   1.344 +    
   1.345 +    template< class Function, class Argument >
   1.346 +    inline list_inserter<Function,Argument>
   1.347 +    make_list_inserter( Function fun, Argument* )
   1.348 +    {
   1.349 +        return list_inserter<Function,Argument>( fun );
   1.350 +    }
   1.351 +
   1.352 +    template< class C >
   1.353 +    inline list_inserter< assign_detail::call_push_back<C>, 
   1.354 +                          BOOST_DEDUCED_TYPENAME C::value_type >
   1.355 +    push_back( C& c )
   1.356 +    {
   1.357 +        static BOOST_DEDUCED_TYPENAME C::value_type* p = 0;
   1.358 +        return make_list_inserter( assign_detail::call_push_back<C>( c ), 
   1.359 +                                   p );
   1.360 +    }
   1.361 +    
   1.362 +    template< class C >
   1.363 +    inline list_inserter< assign_detail::call_push_front<C>,
   1.364 +                          BOOST_DEDUCED_TYPENAME C::value_type >
   1.365 +    push_front( C& c )
   1.366 +    {
   1.367 +        static BOOST_DEDUCED_TYPENAME C::value_type* p = 0;
   1.368 +        return make_list_inserter( assign_detail::call_push_front<C>( c ),
   1.369 +                                   p );
   1.370 +    }
   1.371 +
   1.372 +    template< class C >
   1.373 +    inline list_inserter< assign_detail::call_insert<C>, 
   1.374 +                          BOOST_DEDUCED_TYPENAME C::value_type >
   1.375 +    insert( C& c )
   1.376 +    {
   1.377 +        static BOOST_DEDUCED_TYPENAME C::value_type* p = 0;
   1.378 +        return make_list_inserter( assign_detail::call_insert<C>( c ),
   1.379 +                                   p );
   1.380 +    }
   1.381 +
   1.382 +    template< class C >
   1.383 +    inline list_inserter< assign_detail::call_push<C>, 
   1.384 +                          BOOST_DEDUCED_TYPENAME C::value_type >
   1.385 +    push( C& c )
   1.386 +    {
   1.387 +        static BOOST_DEDUCED_TYPENAME C::value_type* p = 0;
   1.388 +        return make_list_inserter( assign_detail::call_push<C>( c ),
   1.389 +                                   p );
   1.390 +    }
   1.391 +
   1.392 +    template< class C >
   1.393 +    inline list_inserter< assign_detail::call_add_edge<C> >
   1.394 +    add_edge( C& c )   
   1.395 +    {
   1.396 +        return make_list_inserter( assign_detail::call_add_edge<C>( c ) );
   1.397 +    }
   1.398 +    
   1.399 +} // namespace 'assign'
   1.400 +} // namespace 'boost'
   1.401 +
   1.402 +#undef BOOST_ASSIGN_PARAMS1
   1.403 +#undef BOOST_ASSIGN_PARAMS2
   1.404 +#undef BOOST_ASSIGN_PARAMS3
   1.405 +#undef BOOST_ASSIGN_MAX_PARAMETERS
   1.406 +
   1.407 +#endif