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// file : XSCRT/ExtendedTypeInfo.hpp
// author : Boris Kolpackov <boris@dre.vanderbilt.edu>
// cvs-id : $Id$
#ifndef XSCRT_EXTENDED_TYPE_INFO_HPP
#define XSCRT_EXTENDED_TYPE_INFO_HPP
#include <map>
#include <vector>
#include <typeinfo>
namespace XSCRT
{
//
//
//
class TypeId
{
public:
template<typename T>
TypeId (T const& t);
TypeId (std::type_info const& tid);
public:
bool
operator == (TypeId const& other) const;
bool
operator != (TypeId const& other) const;
bool
operator < (TypeId const& other) const;
/*
friend std::ostream&
operator << (std::ostream& os, TypeId const& t);
*/
public:
char const*
name () const
{
return tid_->name ();
}
private:
std::type_info const* tid_;
};
//
//
//
class ExtendedTypeInfo
{
public:
//
//
//
struct Access
{
enum Value
{
private_,
protected_,
public_
};
};
//
//
//
class BaseInfo
{
public:
BaseInfo (Access::Value access, bool virtual_base, TypeId const& tid);
public:
ExtendedTypeInfo const&
type_info () const;
Access::Value
access () const;
bool
virtual_base () const;
private:
TypeId tid_;
mutable ExtendedTypeInfo const* ti_;
bool virtual_base_;
Access::Value access_;
};
private:
typedef
std::vector<BaseInfo>
BaseInfoList;
public:
typedef
BaseInfoList::const_iterator
BaseIterator;
public:
ExtendedTypeInfo (TypeId const& tid);
TypeId
type_id () const;
BaseIterator
begin_base () const;
BaseIterator
end_base () const;
void
add_base (Access::Value access, bool virtual_base, TypeId const& tid);
private:
TypeId tid_;
BaseInfoList base_;
};
typedef
std::map<TypeId, ExtendedTypeInfo>
ExtendedTypeInfoMap;
ExtendedTypeInfoMap&
extended_type_info_map ();
class NotAvailable {};
template<typename T>
ExtendedTypeInfo const&
extended_type_info (T const& t)
{
return extended_type_info (typeid (t));
}
template<typename T>
ExtendedTypeInfo const&
extended_type_info ()
{
return extended_type_info (typeid (T));
}
//@@ Had to use function template specialization because VC6
// cannot handle simply overloaded functions.
//
template <>
inline
ExtendedTypeInfo const&
extended_type_info<TypeId> (TypeId const& tid)
{
ExtendedTypeInfoMap::const_iterator i (
extended_type_info_map ().find (tid));
if (i == extended_type_info_map ().end ()) throw NotAvailable ();
return i->second;
}
template <>
inline
ExtendedTypeInfo const&
extended_type_info<std::type_info> (std::type_info const& tid)
{
return extended_type_info (TypeId (tid));
}
}
#include <XSCRT/ExtendedTypeInfo.ipp>
#endif // XSCRT_EXTENDED_TYPE_INFO_HPP
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