1 files changed, 88 insertions, 0 deletions
diff --git a/nihil.ucl/object.ccm b/nihil.ucl/object.ccm
new file mode 100644
index 0000000..9a7eaf7
--- /dev/null
+++ b/nihil.ucl/object.ccm
@@ -0,0 +1,88 @@
+/*
+ * This source code is released into the public domain.
+ */
+
+module;
+
+/*
+ * A UCL object.  The object is immutable and internally refcounted, so it
+ * may be copied as needed.
+ *
+ */
+
+#include <compare>
+#include <cstddef>
+#include <string>
+
+#include <ucl.h>
+
+export module nihil.ucl:object;
+
+import :type;
+
+namespace nihil::ucl {
+
+/***********************************************************************
+ * The basic object type.
+ */
+
+// Ref the UCL object when creating an object.
+export inline constexpr struct ref_t {} ref;
+// Don't ref the UCL object.
+export inline constexpr struct noref_t {} noref;
+
+export struct object {
+	inline static constexpr object_type ucl_type = object_type::object;
+
+	// Create an object from an existing ucl_object_t.  The first argument
+	// determines whether we ref the object or not.
+
+	object(ref_t, ::ucl_object_t const *object);
+	object(noref_t, ::ucl_object_t *object);
+
+	// Free our object on destruction.
+	virtual ~object();
+
+	// Movable.
+	object(object &&other) noexcept;
+	auto operator=(this object &self, object &&other) noexcept -> object&;
+
+	// Copyable.
+	// Note that this copies the entire UCL object.
+	object(object const &other);
+	auto operator=(this object &self, object const &other) -> object &;
+
+	// Increase the refcount of this object.
+	[[nodiscard]] auto ref(this object const &self) -> object;
+
+	// Return the type of this object.
+	[[nodiscard]] auto type(this object const &self) -> object_type;
+
+	// Return the underlying object.
+	[[nodiscard]] auto get_ucl_object(this object &self)
+		-> ::ucl_object_t *;
+
+	[[nodiscard]] auto get_ucl_object(this object const &self)
+		-> ::ucl_object_t const *;
+
+	// Return the key of this object.
+	[[nodiscard]] auto key(this object const &self) -> std::string_view;
+
+protected:
+	// The object we're wrapping.
+	::ucl_object_t *m_object = nullptr;
+
+	friend auto swap(object &a, object &b) -> void;
+};
+
+/***********************************************************************
+ * Object comparison.
+ */
+
+export [[nodiscard]] auto operator==(object const &lhs, object const &rhs)
+	-> bool;
+
+export [[nodiscard]] auto operator<=>(object const &lhs, object const &rhs)
+	-> std::strong_ordering;
+
+} // namespace nihil::ucl