fix alignment + refactor

Reviewed-on: #1
Co-authored-by: Persson-dev <sim16.prib@gmail.com>
Co-committed-by: Persson-dev <sim16.prib@gmail.com>

include/sp/protocol/message/MessageImplBuilder.h

@@ -0,0 +1,45 @@
+#pragma once
+
+namespace sp {
+namespace details {
+
+
+// TBase is interface class
+// TOptions... are the implementation options
+template <typename TBase, typename... TOptions>
+struct MessageImplBuilder {
+	// ParsedOptions class is supposed to be defined in comms::Message class
+	using InterfaceOptions = typename TBase::ParsedOptions;
+
+	// Parse implementation options
+	using ImplOptions = MessageImplParsedOptions<TOptions...>;
+
+	// Provide GetIdImpl() if possible
+	static const bool HasStaticNumIdImpl = InterfaceOptions::HasMsgIdType && ImplOptions::HasStaticNumIdImpl;
+	using Base1 = typename MessageImplProcessStaticNumId<TBase, ImplOptions, HasStaticNumIdImpl>::Type;
+
+	// Provide DispatchImpl() if possible
+	static const bool HasDispatchImpl = InterfaceOptions::HasHandler && ImplOptions::HasDispatchImpl;
+	using Base2 = typename MessageImplProcessDispatch<Base1, ImplOptions, HasDispatchImpl>::Type;
+
+	// Provide access to fields if possible
+	using Base3 = typename MessageImplProcessFields<Base2, ImplOptions, ImplOptions::HasFieldsImpl>::Type;
+
+	// Provide ReadImpl() if possible
+	static const bool HasReadImpl = InterfaceOptions::HasReadOperations && ImplOptions::HasFieldsImpl;
+	using Base4 = typename MessageImplProcessReadFields<Base3, HasReadImpl>::Type;
+
+	// Provide WriteImpl() if possible
+	static const bool HasWriteImpl = InterfaceOptions::HasWriteOperations && ImplOptions::HasFieldsImpl;
+	using Base5 = typename MessageImplProcessWriteFields<Base4, HasWriteImpl>::Type;
+
+	// Provide ValidImpl() if possible
+	static const bool HasValidImpl = InterfaceOptions::HasValid && ImplOptions::HasFieldsImpl;
+	using Base6 = typename MessageImplProcessValidFields<Base5, HasValidImpl>::Type;
+
+	// The last BaseN must be taken as final type.
+	using Type = Base6;
+};
+
+}  // namespace details
+}  // namespace sp