nerdcruft/libcruft-util
1
0
Fork 0
Code Issues Releases Activity

introspection: add type_string and enum_values

Browse Source
This commit is contained in:
Danny Robson 2016-03-11 13:02:52 +11:00
parent e5f2bf32bf
commit faaa49c7e9
2 changed files with 43 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
introspection.cpp
View File

@ -15,3 +15,11 @@
*/
#include "introspection.hpp"
///////////////////////////////////////////////////////////////////////////////
constexpr char util::type_string<uint16_t>::value[];
constexpr char util::type_string<uint32_t>::value[];
constexpr char util::type_string<uint64_t>::value[];
constexpr char util::type_string<float>::value[];
constexpr char util::type_string<double>::value[];

35
introspection.hpp
View File

@ -24,6 +24,41 @@
#include <tuple>
namespace util {
template <
typename T
>
struct type_string {
// static const std::string value
};
template <> struct type_string<uint16_t> { static constexpr const char value[] = "uint16"; };
template <> struct type_string<uint32_t> { static constexpr const char value[] = "uint32"; };
template <> struct type_string<uint64_t> { static constexpr const char value[] = "uint64"; };
template <> struct type_string<float > { static constexpr const char value[] = "float32"; };
template <> struct type_string<double > { static constexpr const char value[] = "float64"; };
template <typename T>
auto
to_string (void)
{
return type_string<T>::value;
}
///////////////////////////////////////////////////////////////////////////
/// Lists valid values of an enumeration
///
/// E: enumeration type
template <
typename E
>
struct enum_values {
/// Specialisations must provide the following constexpr:
///
/// value_type: typename
/// value_count: size_t
/// values: static const std::array<value_type,value_count>
};
///////////////////////////////////////////////////////////////////////////
/// Describes a single member variable in a type availabe for introspection
///