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