native_type_trait.hpp [plain text]
#ifndef PB_DS_REGRESSION_TEST_NATIVE_TYPE_TRAIT_HPP
#define PB_DS_REGRESSION_TEST_NATIVE_TYPE_TRAIT_HPP
namespace pb_ds
{
namespace test
{
namespace detail
{
template<typename Key, class Allocator>
struct native_key_type;
template<typename Allocator>
struct native_key_type<
basic_type,
Allocator>
{
typedef std::string type;
static type
native_key(typename Allocator::template rebind<
basic_type>::other::const_reference r_key)
{
return (std::string(r_key));
}
};
template<typename Hd, class Tl, class Allocator>
struct native_key_type<
std::pair<
Hd,
Tl>,
Allocator>
{
typedef typename native_key_type< Hd, Allocator>::type hd_type;
typedef typename native_key_type< Tl, Allocator>::type tl_type;
typedef std::pair< hd_type, tl_type> type;
static type
native_key(typename Allocator::template rebind< std::pair<Hd, Tl> >::other::const_reference r_key)
{
return (std::make_pair(
native_key_type<Hd, Allocator>::native_key(r_key.first),
native_key_type<Tl, Allocator>::native_key(r_key.second)));
}
};
template<typename Native_Key_Type,
class Key_Type,
class Data_Type,
class Allocator>
struct native_type_traits_base;
template<typename Native_Key_Type, class Key_Type, class Allocator>
struct native_type_traits_base<
Native_Key_Type,
Key_Type,
basic_type,
Allocator>
{
public:
typedef std::map< Native_Key_Type, std::string> type;
public:
static const typename type::key_type&
extract_key(typename type::const_reference r_val)
{
return (r_val.first);
}
static typename type::value_type
native_value(typename Allocator::template rebind< std::pair<Key_Type, basic_type> >::other::const_reference r_val)
{
return (std::make_pair(
native_key_type<Key_Type, Allocator>::native_key(r_val.first),
std::string(r_val.second)));
}
};
template<typename Native_Key_Type, class Key_Type, class Allocator>
struct native_type_traits_base<
Native_Key_Type,
Key_Type,
pb_ds::null_mapped_type,
Allocator>
{
public:
typedef std::set< Native_Key_Type> type;
public:
static const typename type::key_type&
extract_key(typename type::const_reference r_val)
{
return (r_val);
}
static typename type::value_type
native_value(typename Allocator::template rebind<
Key_Type>::other::const_reference r_val)
{
return (native_key_type<Key_Type, Allocator>::native_key(
r_val));
}
};
#define PB_DS_NATIVE_KEY_TYPE_C_DEC \
native_key_type< \
Key_Type, \
Allocator>
#define PB_DS_BASE_C_DEC \
native_type_traits_base< \
typename PB_DS_NATIVE_KEY_TYPE_C_DEC::type, \
Key_Type, \
Data_Type, \
Allocator>
template<typename Key_Type, class Data_Type, class Allocator>
struct native_type_traits : public PB_DS_BASE_C_DEC
{
typedef typename PB_DS_BASE_C_DEC::type type;
typedef typename type::key_type key_type;
static typename PB_DS_NATIVE_KEY_TYPE_C_DEC::type
native_key(typename Allocator::template rebind<
Key_Type>::other::const_reference r_key)
{
return (PB_DS_NATIVE_KEY_TYPE_C_DEC::native_key(r_key));
}
};
#undef PB_DS_BASE_C_DEC
#undef PB_DS_NATIVE_KEY_TYPE_C_DEC
}
}
}
#endif // #ifndef PB_DS_REGRESSION_TEST_NATIVE_TYPE_TRAIT_HPP