90 lines
3.0 KiB
C++

// Copyright (c) 2003 Daniel Wallin and Arvid Norberg
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
// ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
// TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
// PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
// SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
// ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
// OR OTHER DEALINGS IN THE SOFTWARE.
#ifndef LUABIND_CONVERSION_POLICIES_HPP_INCLUDED
#define LUABIND_CONVERSION_POLICIES_HPP_INCLUDED
#include <luabind/detail/type_traits.hpp>
#include <luabind/detail/meta.hpp>
#include <luabind/detail/policy.hpp>
#include <luabind/detail/conversion_policies/conversion_base.hpp>
#include <luabind/detail/conversion_policies/enum_converter.hpp>
#include <luabind/detail/conversion_policies/pointer_converter.hpp>
#include <luabind/detail/conversion_policies/reference_converter.hpp>
#include <luabind/detail/conversion_policies/value_converter.hpp>
#include <luabind/detail/conversion_policies/lua_proxy_converter.hpp>
#include <luabind/detail/conversion_policies/native_converter.hpp>
#include <luabind/detail/conversion_policies/function_converter.hpp>
#include <luabind/shared_ptr_converter.hpp>
namespace luabind {
template <>
struct default_converter<lua_State*>
{
enum { consumed_args = 0 };
template <class U>
lua_State* to_cpp(lua_State* L, U, int /*index*/)
{
return L;
}
template <class U>
static int match(lua_State*, U, int /*index*/)
{
return 0;
}
template <class U>
void converter_postcall(lua_State*, U, int) {}
};
namespace detail {
// This is the one that gets hit, if default_policy doesn't hit one of the specializations defined all over the place
template< class T >
struct default_converter_generator
: public meta::select_ <
meta::case_< is_lua_proxy_arg<T>, lua_proxy_converter<T> >,
meta::case_< std::is_enum<typename std::remove_reference<T>::type>, enum_converter >,
meta::case_< is_nonconst_pointer<T>, pointer_converter >,
meta::case_< is_const_pointer<T>, const_pointer_converter >,
meta::case_< is_nonconst_reference<T>, ref_converter >,
meta::case_< is_const_reference<T>, const_ref_converter >,
meta::default_< value_converter >
> ::type
{
};
}
template <class T, class Enable>
struct default_converter
: detail::default_converter_generator<T>::type
{};
}
#endif