112 lines
2.5 KiB
C++
112 lines
2.5 KiB
C++
// file : xsd/cxx/tree/comparison-map.hxx
|
|
// license : GNU GPL v2 + exceptions; see accompanying LICENSE file
|
|
|
|
#ifndef XSD_CXX_TREE_COMPARISON_MAP_HXX
|
|
#define XSD_CXX_TREE_COMPARISON_MAP_HXX
|
|
|
|
#include <map>
|
|
#include <cstddef> // std::size_t
|
|
#include <typeinfo>
|
|
|
|
#include <xsd/cxx/tree/elements.hxx>
|
|
|
|
namespace xsd
|
|
{
|
|
namespace cxx
|
|
{
|
|
namespace tree
|
|
{
|
|
template <typename C>
|
|
struct comparison_map
|
|
{
|
|
typedef std::type_info type_id;
|
|
typedef bool (*comparator) (const type&, const type&);
|
|
|
|
comparison_map ();
|
|
|
|
void
|
|
register_type (const type_id&, comparator, bool replace = true);
|
|
|
|
void
|
|
unregister_type (const type_id&);
|
|
|
|
bool
|
|
compare (const type&, const type&);
|
|
|
|
public:
|
|
comparator
|
|
find (const type_id&) const;
|
|
|
|
private:
|
|
struct type_id_comparator
|
|
{
|
|
bool
|
|
operator() (const type_id* x, const type_id* y) const
|
|
{
|
|
// XL C++ on AIX has buggy type_info::before() in that
|
|
// it returns true for two different type_info objects
|
|
// that happened to be for the same type.
|
|
//
|
|
#if defined(__xlC__) && defined(_AIX)
|
|
return *x != *y && x->before (*y);
|
|
#else
|
|
return x->before (*y);
|
|
#endif
|
|
}
|
|
};
|
|
|
|
typedef
|
|
std::map<const type_id*, comparator, type_id_comparator>
|
|
type_map;
|
|
|
|
type_map type_map_;
|
|
};
|
|
|
|
//
|
|
//
|
|
template<unsigned long id, typename C>
|
|
struct comparison_plate
|
|
{
|
|
static comparison_map<C>* map;
|
|
static std::size_t count;
|
|
|
|
comparison_plate ();
|
|
~comparison_plate ();
|
|
};
|
|
|
|
template<unsigned long id, typename C>
|
|
comparison_map<C>* comparison_plate<id, C>::map = 0;
|
|
|
|
template<unsigned long id, typename C>
|
|
std::size_t comparison_plate<id, C>::count = 0;
|
|
|
|
|
|
//
|
|
//
|
|
template<unsigned long id, typename C>
|
|
inline comparison_map<C>&
|
|
comparison_map_instance ()
|
|
{
|
|
return *comparison_plate<id, C>::map;
|
|
}
|
|
|
|
//
|
|
//
|
|
template<typename T>
|
|
bool
|
|
comparator_impl (const type&, const type&);
|
|
|
|
template<unsigned long id, typename C, typename T>
|
|
struct comparison_initializer
|
|
{
|
|
comparison_initializer ();
|
|
~comparison_initializer ();
|
|
};
|
|
}
|
|
}
|
|
}
|
|
|
|
#include <xsd/cxx/tree/comparison-map.txx>
|
|
|
|
#endif // XSD_CXX_TREE_COMPARISON_MAP_HXX
|