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epoc32/include/stdapis/boost/range/detail/common.hpp
author William Roberts <williamr@symbian.org>
Wed, 31 Mar 2010 12:27:01 +0100
branchSymbian2
changeset 3 e1b950c65cb4
permissions -rw-r--r--
Attempt to represent the S^2->S^3 header reorganisation as a series of "hg rename" operations 
     1 // Boost.Range library

     2 //

     3 //  Copyright Thorsten Ottosen 2003-2004. Use, modification and

     4 //  distribution is subject to the Boost Software License, Version

     5 //  1.0. (See accompanying file LICENSE_1_0.txt or copy at

     6 //  http://www.boost.org/LICENSE_1_0.txt)

     7 //

     8 // For more information, see http://www.boost.org/libs/range/

     9 //

    10 

    11 #ifndef BOOST_RANGE_DETAIL_COMMON_HPP

    12 #define BOOST_RANGE_DETAIL_COMMON_HPP

    13 

    14 #if defined(_MSC_VER) && (_MSC_VER >= 1200)

    15 # pragma once

    16 #endif

    17 

    18 #include <boost/range/config.hpp>

    19 #include <boost/range/detail/sfinae.hpp>

    20 #include <boost/type_traits/is_void.hpp>

    21 #include <boost/type_traits/detail/ice_or.hpp>

    22 #include <boost/mpl/if.hpp>

    23 #include <boost/mpl/int.hpp>

    24 #include <cstddef>

    25 

    26 //////////////////////////////////////////////////////////////////////////////

    27 // missing partial specialization  workaround.

    28 //////////////////////////////////////////////////////////////////////////////

    29 

    30 namespace boost 

    31 {

    32     namespace range_detail 

    33     {        

    34         // 1 = std containers

    35         // 2 = std::pair

    36         // 3 = const std::pair

    37         // 4 = array

    38         // 5 = const array

    39         // 6 = char array

    40         // 7 = wchar_t array

    41         // 8 = char*

    42         // 9 = const char*

    43         // 10 = whar_t*

    44         // 11 = const wchar_t*

    45         // 12 = string

    46         

    47         typedef mpl::int_<1>::type    std_container_;

    48         typedef mpl::int_<2>::type    std_pair_;

    49         typedef mpl::int_<3>::type    const_std_pair_;

    50         typedef mpl::int_<4>::type    array_;

    51         typedef mpl::int_<5>::type    const_array_;

    52         typedef mpl::int_<6>::type    char_array_;

    53         typedef mpl::int_<7>::type    wchar_t_array_;

    54         typedef mpl::int_<8>::type    char_ptr_;

    55         typedef mpl::int_<9>::type    const_char_ptr_;

    56         typedef mpl::int_<10>::type   wchar_t_ptr_;

    57         typedef mpl::int_<11>::type   const_wchar_t_ptr_;

    58         typedef mpl::int_<12>::type   string_;

    59         

    60         template< typename C >

    61         struct range_helper

    62         {

    63             static C* c;

    64             static C  ptr;

    65 

    66             BOOST_STATIC_CONSTANT( bool, is_pair_                = sizeof( boost::range_detail::is_pair_impl( c ) ) == sizeof( yes_type ) );

    67             BOOST_STATIC_CONSTANT( bool, is_char_ptr_            = sizeof( boost::range_detail::is_char_ptr_impl( ptr ) ) == sizeof( yes_type ) );

    68             BOOST_STATIC_CONSTANT( bool, is_const_char_ptr_      = sizeof( boost::range_detail::is_const_char_ptr_impl( ptr ) ) == sizeof( yes_type ) );

    69             BOOST_STATIC_CONSTANT( bool, is_wchar_t_ptr_         = sizeof( boost::range_detail::is_wchar_t_ptr_impl( ptr ) ) == sizeof( yes_type ) );

    70             BOOST_STATIC_CONSTANT( bool, is_const_wchar_t_ptr_   = sizeof( boost::range_detail::is_const_wchar_t_ptr_impl( ptr ) ) == sizeof( yes_type ) );

    71             BOOST_STATIC_CONSTANT( bool, is_char_array_          = sizeof( boost::range_detail::is_char_array_impl( ptr ) ) == sizeof( yes_type ) );

    72             BOOST_STATIC_CONSTANT( bool, is_wchar_t_array_       = sizeof( boost::range_detail::is_wchar_t_array_impl( ptr ) ) == sizeof( yes_type ) );

    73             BOOST_STATIC_CONSTANT( bool, is_string_              = (boost::type_traits::ice_or<is_const_char_ptr_, is_const_wchar_t_ptr_>::value ));

    74             BOOST_STATIC_CONSTANT( bool, is_array_               = boost::is_array<C>::value );

    75             

    76         };

    77         

    78         template< typename C >

    79         class range

    80         {

    81             typedef BOOST_RANGE_DEDUCED_TYPENAME   boost::mpl::if_c< ::boost::range_detail::range_helper<C>::is_pair_,

    82                                                                   boost::range_detail::std_pair_,

    83                                                                   void >::type pair_t;

    84             typedef BOOST_RANGE_DEDUCED_TYPENAME   boost::mpl::if_c< ::boost::range_detail::range_helper<C>::is_array_,

    85                                                                     boost::range_detail::array_,

    86                                                                     pair_t >::type array_t;

    87             typedef BOOST_RANGE_DEDUCED_TYPENAME   boost::mpl::if_c< ::boost::range_detail::range_helper<C>::is_string_,

    88                                                                     boost::range_detail::string_,

    89                                                                     array_t >::type string_t;

    90             typedef BOOST_RANGE_DEDUCED_TYPENAME   boost::mpl::if_c< ::boost::range_detail::range_helper<C>::is_const_char_ptr_,

    91                                                                     boost::range_detail::const_char_ptr_,

    92                                                                     string_t >::type const_char_ptr_t;

    93             typedef BOOST_RANGE_DEDUCED_TYPENAME   boost::mpl::if_c< ::boost::range_detail::range_helper<C>::is_char_ptr_,

    94                                                                     boost::range_detail::char_ptr_,

    95                                                                     const_char_ptr_t >::type char_ptr_t;

    96             typedef BOOST_RANGE_DEDUCED_TYPENAME   boost::mpl::if_c< ::boost::range_detail::range_helper<C>::is_const_wchar_t_ptr_,

    97                                                                     boost::range_detail::const_wchar_t_ptr_,

    98                                                                     char_ptr_t >::type const_wchar_ptr_t;

    99             typedef BOOST_RANGE_DEDUCED_TYPENAME   boost::mpl::if_c< ::boost::range_detail::range_helper<C>::is_wchar_t_ptr_,

   100                                                                     boost::range_detail::wchar_t_ptr_,

   101                                                                     const_wchar_ptr_t >::type wchar_ptr_t;

   102             typedef BOOST_RANGE_DEDUCED_TYPENAME   boost::mpl::if_c< ::boost::range_detail::range_helper<C>::is_wchar_t_array_,

   103                                                                     boost::range_detail::wchar_t_array_,

   104                                                                     wchar_ptr_t >::type wchar_array_t;

   105             typedef BOOST_RANGE_DEDUCED_TYPENAME   boost::mpl::if_c< ::boost::range_detail::range_helper<C>::is_char_array_,

   106                                                                     boost::range_detail::char_array_,

   107                                                                     wchar_array_t >::type char_array_t;

   108         public:

   109             typedef BOOST_RANGE_DEDUCED_TYPENAME   boost::mpl::if_c< ::boost::is_void<char_array_t>::value,

   110                                                                     boost::range_detail::std_container_,

   111                                                                     char_array_t >::type type;  

   112         }; // class 'range' 

   113     }

   114 }

   115         

   116 #endif
test