finalize schema/data setup

Signed-off-by: Folling <mail@folling.io>

src/ikarus/values/data.hpp

@@ -0,0 +1,65 @@
+#pragma once
+
+#include <variant>
+#include <vector>
+
+#include <nlohmann/json.hpp>
+
+#include <cppbase/pointer.hpp>
+#include <cppbase/result.hpp>
+
+#include <ikarus/values/data.h>
+#include <ikarus/values/errors.hpp>
+#include <ikarus/values/schema.h>
+
+struct IkarusValueData;
+
+struct IkarusValueDataPrimitiveToggle {
+	bool value;
+};
+
+struct IkarusValueDataPrimitiveNumber {
+	double value;
+};
+
+struct IkarusValueDataPrimitiveString {
+	std::string value;
+};
+
+using IkarusValueDataPrimitive = std::variant<
+	IkarusValueDataPrimitiveToggle,
+	IkarusValueDataPrimitiveNumber,
+	IkarusValueDataPrimitiveString>;
+
+struct IkarusValueDataList {
+	std::vector<cppbase::owning_ptr<IkarusValueData>> values;
+};
+
+struct IkarusValueDataMap {
+	std::vector<std::pair<
+		cppbase::owning_ptr<IkarusValueData>,
+		cppbase::owning_ptr<IkarusValueData>>>
+		values;
+};
+
+struct IkarusValueDataTuple {
+	std::vector<cppbase::owning_ptr<IkarusValueData>> values;
+};
+
+struct IkarusValueData {
+	using IkarusValueDataVariant = std::variant<
+		IkarusValueDataPrimitive,
+		IkarusValueDataList,
+		IkarusValueDataMap,
+		IkarusValueDataTuple>;
+
+	static auto from_json(nlohmann::json const & json)
+		-> cppbase::Result<IkarusValueData, IkarusValueDataParseError>;
+	static auto to_json(nlohmann::json & json, IkarusValueData const & value)
+		-> void;
+
+	IkarusValueDataVariant variant;
+};
+
+auto get_primitive_type(IkarusValueDataPrimitive const & primitive)
+	-> IkarusValuePrimitiveType;