Merge pull request #3 from nekernel-org/dev

v0.0.3

1 files changed, 182 insertions, 0 deletions

diff --git a/vendor/toml++/impl/make_node.hpp b/vendor/toml++/impl/make_node.hpp
new file mode 100644
index 0000000..69a566a
--- /dev/null
+++ b/vendor/toml++/impl/make_node.hpp
@@ -0,0 +1,182 @@
+//# This file is a part of toml++ and is subject to the the terms of the MIT license.
+//# Copyright (c) Mark Gillard <mark.gillard@outlook.com.au>
+//# See https://github.com/marzer/tomlplusplus/blob/master/LICENSE for the full license text.
+// SPDX-License-Identifier: MIT
+#pragma once
+
+#include "forward_declarations.hpp"
+#include "header_start.hpp"
+
+/// \cond
+TOML_IMPL_NAMESPACE_START
+{
+	template <typename T>
+	TOML_NODISCARD
+	TOML_ATTR(returns_nonnull)
+	auto* make_node_impl_specialized(T && val, [[maybe_unused]] value_flags flags)
+	{
+		using unwrapped_type = unwrap_node<remove_cvref<T>>;
+		static_assert(!std::is_same_v<unwrapped_type, node>);
+		static_assert(!is_node_view<unwrapped_type>);
+
+		// arrays + tables - invoke copy/move ctor
+		if constexpr (is_one_of<unwrapped_type, array, table>)
+		{
+			return new unwrapped_type(static_cast<T&&>(val));
+		}
+
+		// values
+		else
+		{
+			using native_type = native_type_of<unwrapped_type>;
+			using value_type  = value<native_type>;
+
+			value_type* out;
+
+			// copy/move ctor
+			if constexpr (std::is_same_v<remove_cvref<T>, value_type>)
+			{
+				out = new value_type{ static_cast<T&&>(val), flags };
+			}
+
+			// creating from raw value
+			else
+			{
+				static_assert(!is_wide_string<T> || TOML_ENABLE_WINDOWS_COMPAT,
+							  "Instantiating values from wide-character strings is only "
+							  "supported on Windows with TOML_ENABLE_WINDOWS_COMPAT enabled.");
+
+				if constexpr (!is_losslessly_convertible_to_native<unwrapped_type>)
+				{
+					if constexpr (std::is_same_v<native_type, int64_t>)
+						static_assert(always_false<T>,
+									  "Integral value initializers must be losslessly convertible to int64_t");
+					else if constexpr (std::is_same_v<native_type, double>)
+						static_assert(always_false<T>,
+									  "Floating-point value initializers must be losslessly convertible to double");
+					else
+						static_assert(
+							always_false<T>,
+							"Value initializers must be losslessly convertible to one of the TOML value types");
+				}
+
+				if constexpr (is_wide_string<T>)
+				{
+#if TOML_ENABLE_WINDOWS_COMPAT
+					out = new value_type{ narrow(static_cast<T&&>(val)) };
+#else
+					static_assert(always_false<T>, "Evaluated unreachable branch!");
+#endif
+				}
+				else
+					out = new value_type{ static_cast<T&&>(val) };
+
+				if (flags != preserve_source_value_flags)
+					out->flags(flags);
+			}
+
+			return out;
+		}
+	}
+
+	template <typename T>
+	TOML_NODISCARD
+	auto* make_node_impl(T && val, value_flags flags = preserve_source_value_flags)
+	{
+		using unwrapped_type = unwrap_node<remove_cvref<T>>;
+		if constexpr (std::is_same_v<unwrapped_type, node> || is_node_view<unwrapped_type>)
+		{
+			if constexpr (is_node_view<unwrapped_type>)
+			{
+				if (!val)
+					return static_cast<toml::node*>(nullptr);
+			}
+
+			return static_cast<T&&>(val).visit(
+				[flags](auto&& concrete) {
+					return static_cast<toml::node*>(
+						make_node_impl_specialized(static_cast<decltype(concrete)&&>(concrete), flags));
+				});
+		}
+		else
+			return make_node_impl_specialized(static_cast<T&&>(val), flags);
+	}
+
+	template <typename T>
+	TOML_NODISCARD
+	auto* make_node_impl(inserter<T> && val, value_flags flags = preserve_source_value_flags)
+	{
+		return make_node_impl(static_cast<T&&>(val.value), flags);
+	}
+
+	template <typename T, bool = (is_node<T> || is_node_view<T> || is_value<T> || can_partially_represent_native<T>)>
+	struct inserted_type_of_
+	{
+		using type = std::remove_pointer_t<decltype(make_node_impl(std::declval<T>()))>;
+	};
+
+	template <typename T>
+	struct inserted_type_of_<inserter<T>, false>
+	{
+		using type = typename inserted_type_of_<remove_cvref<T>>::type;
+	};
+
+	template <typename T>
+	struct inserted_type_of_<T, false>
+	{
+		using type = void;
+	};
+
+	template <typename T>
+	TOML_NODISCARD
+	node_ptr make_node(T && val, value_flags flags = preserve_source_value_flags)
+	{
+		return node_ptr{ make_node_impl(static_cast<T&&>(val), flags) };
+	}
+
+	template <typename... T>
+	struct emplaced_type_of_
+	{
+		using type = void;
+	};
+
+	template <typename T>
+	struct emplaced_type_of_<T>
+	{
+		using type = std::conditional_t<is_one_of<T, node, node_view<node>, node_view<const node>>,
+										void,
+										typename inserted_type_of_<T>::type>;
+	};
+
+	template <typename T>
+	struct emplaced_type_of_<inserter<T>>
+	{
+		using type = typename emplaced_type_of_<remove_cvref<T>>::type;
+	};
+
+	template <typename... T>
+	using emplaced_type_of = typename emplaced_type_of_<remove_cvref<T>...>::type;
+}
+TOML_IMPL_NAMESPACE_END;
+/// \endcond
+
+TOML_NAMESPACE_START
+{
+	/// \brief	Metafunction for determining which node type would be constructed
+	///			if an object of this type was inserted into a toml::table or toml::array.
+	///
+	/// \detail \cpp
+	/// static_assert(std::is_same_v<toml::inserted_type_of<const char*>, toml::value<std::string>);
+	/// static_assert(std::is_same_v<toml::inserted_type_of<int>,         toml::value<int64_t>);
+	/// static_assert(std::is_same_v<toml::inserted_type_of<float>,       toml::value<double>);
+	/// static_assert(std::is_same_v<toml::inserted_type_of<bool>,        toml::value<bool>);
+	/// \ecpp
+	///
+	/// \note	This will return toml::node for nodes and node_views, even though a more specific node subclass
+	///			would actually be inserted. There is no way around this in a compile-time metafunction.
+	template <typename T>
+	using inserted_type_of = POXY_IMPLEMENTATION_DETAIL(typename impl::inserted_type_of_<impl::remove_cvref<T>>::type);
+}
+TOML_NAMESPACE_END;
+
+#include "header_end.hpp"