[ox] Overhaul serialization/model system and add ModelValue/ModelObject/ModelUnion variant system

deps/ox/src/ox/claw/read.cpp

@@ -3,7 +3,7 @@
  *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
  */
 
 #include <ox/std/buffer.hpp>
@@ -72,4 +72,34 @@ Result<Buffer> stripClawHeader(const ox::Buffer &buff) noexcept {
 	return stripClawHeader(buff.data(), buff.size());
 }
 
+Result<ModelObject> readClaw(TypeStore *ts, const Buffer &buff) noexcept {
+	oxRequire(header, readClawHeader(buff));
+	oxRequire(t, ts->template getLoad(header.typeName, header.typeVersion));
+	ModelObject obj;
+	oxReturnError(obj.setType(t));
+	switch (header.fmt) {
+		case ClawFormat::Metal:
+		{
+			MetalClawReader reader(reinterpret_cast<const uint8_t*>(header.data), header.dataSize);
+			ModelHandlerInterface handler(&reader);
+			oxReturnError(model(&handler, &obj));
+			return obj;
+		}
+		case ClawFormat::Organic:
+		{
+#ifdef OX_USE_STDLIB
+			OrganicClawReader reader(header.data, header.dataSize);
+			ModelHandlerInterface handler(&reader);
+			oxReturnError(model(&handler, &obj));
+			return obj;
+#else
+			break;
+#endif
+		}
+		case ClawFormat::None:
+			return OxError(1);
+	}
+	return OxError(1);
+}
+
 }