coreapi: separate path into two types

License: MIT
Signed-off-by: Łukasz Magiera <magik6k@gmail.com>

core/coreapi/interface/path.go

@@ -6,13 +6,24 @@ import (
 
 // Path is a generic wrapper for paths used in the API. A path can be resolved
 // to a CID using one of Resolve functions in the API.
+// TODO: figure out/explain namespaces
 type Path interface {
 	// String returns the path as a string.
 	String() string
+
+	// Namespace returns the first component of the path
+	Namespace() string
+}
+
+// ResolvedPath is a resolved Path
+type ResolvedPath interface {
 	// Cid returns cid referred to by path
 	Cid() *cid.Cid
+
 	// Root returns cid of root path
 	Root() *cid.Cid
-	// Resolved returns whether path has been fully resolved
-	Resolved() bool
+
+	//TODO: Path remainder
+
+	Path
 }