#ifndef BOOST_SERIALIZATION_EXTENDED_TYPE_INFO_HPP | |
#define BOOST_SERIALIZATION_EXTENDED_TYPE_INFO_HPP | |
// MS compatible compilers support #pragma once | |
#if defined(_MSC_VER) && (_MSC_VER >= 1020) | |
# pragma once | |
#endif | |
/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 | |
// extended_type_info.hpp: interface for portable version of type_info | |
// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . | |
// Use, modification and distribution is subject to the Boost Software | |
// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
// http://www.boost.org/LICENSE_1_0.txt) | |
// See http://www.boost.org for updates, documentation, and revision history. | |
// for now, extended type info is part of the serialization libraries | |
// this could change in the future. | |
#include <cstdarg> | |
#include <boost/assert.hpp> | |
#include <cstddef> // NULL | |
#include <boost/config.hpp> | |
#include <boost/noncopyable.hpp> | |
#include <boost/mpl/bool.hpp> | |
#include <boost/serialization/config.hpp> | |
#include <boost/config/abi_prefix.hpp> // must be the last header | |
#ifdef BOOST_MSVC | |
# pragma warning(push) | |
# pragma warning(disable : 4251 4231 4660 4275) | |
#endif | |
#define BOOST_SERIALIZATION_MAX_KEY_SIZE 128 | |
namespace boost { | |
namespace serialization { | |
namespace void_cast_detail{ | |
class void_caster; | |
} | |
class BOOST_SERIALIZATION_DECL(BOOST_PP_EMPTY()) extended_type_info : | |
private boost::noncopyable | |
{ | |
private: | |
friend class boost::serialization::void_cast_detail::void_caster; | |
// used to uniquely identify the type of class derived from this one | |
// so that different derivations of this class can be simultaneously | |
// included in implementation of sets and maps. | |
const unsigned int m_type_info_key; | |
virtual bool is_less_than(const extended_type_info & /*rhs*/) const = 0; | |
virtual bool is_equal(const extended_type_info & /*rhs*/) const = 0; | |
const char * m_key; | |
protected: | |
void key_unregister() const; | |
void key_register() const; | |
// this class can't be used as is. It's just the | |
// common functionality for all type_info replacement | |
// systems. Hence, make these protected | |
extended_type_info( | |
const unsigned int type_info_key, | |
const char * key | |
); | |
// account for bogus gcc warning | |
#if defined(__GNUC__) | |
virtual | |
#endif | |
~extended_type_info(); | |
public: | |
const char * get_key() const { | |
return m_key; | |
} | |
virtual const char * get_debug_info() const = 0; | |
bool operator<(const extended_type_info &rhs) const; | |
bool operator==(const extended_type_info &rhs) const; | |
bool operator!=(const extended_type_info &rhs) const { | |
return !(operator==(rhs)); | |
} | |
// note explicit "export" of static function to work around | |
// gcc 4.5 mingw error | |
static const extended_type_info * | |
find(const char *key); | |
// for plugins | |
virtual void * construct(unsigned int /*count*/ = 0, ...) const = 0; | |
virtual void destroy(void const * const /*p*/) const = 0; | |
}; | |
template<class T> | |
struct guid_defined : boost::mpl::false_ {}; | |
template<class T> | |
inline const char * guid(){ | |
return NULL; | |
} | |
} // namespace serialization | |
} // namespace boost | |
#ifdef BOOST_MSVC | |
#pragma warning(pop) | |
#endif | |
#include <boost/config/abi_suffix.hpp> // pops abi_suffix.hpp pragmas | |
#endif // BOOST_SERIALIZATION_EXTENDED_TYPE_INFO_HPP |