1 files changed, 67 insertions, 0 deletions
diff --git a/lib/asn1kit/types/relative_oid.rb b/lib/asn1kit/types/relative_oid.rb
new file mode 100644
index 0000000..8485010
--- /dev/null
+++ b/lib/asn1kit/types/relative_oid.rb
@@ -0,0 +1,67 @@
+# coding: ASCII-8BIT
+
+class ASN1Kit::RelativeOID < ASN1Kit::Type
+  asn1_tag :IMPLICIT, :UNIVERSAL, 13
+  asn1_alias "RELATIVE-OID"
+
+  attr_reader :components
+
+  def initialize(components)
+    @components = components
+  end
+
+  def dot_notation
+    @components.join(".")
+  end
+
+  def self.from_dot_notation(string)
+    new(string.split(".").map { |s| Integer(s) })
+  end
+
+  def to_der
+    content = @components.pack("w*")
+    der_header(content.bytesize) << content
+  end
+
+  private def inspect_inner
+    "{ #{@components.join(" ")} }"
+  end
+
+  def cast_to(type)
+    return type.new(@components) if type <= ASN1Kit::RelativeOID
+    super
+  end
+
+  def ==(other)
+    other.is_a?(ASN1Kit::RelativeOID) && @components == other.components
+  end
+end
+
+module ASN1Kit::Internal::CompileRelativeOID
+  refine ASN1Kit::RelativeOID.singleton_class do
+    def _new_internal(arys)
+      obj = allocate
+      obj.instance_variable_set(:@_compile_arys, arys)
+      obj
+    end
+  end
+
+  refine ASN1Kit::RelativeOID do
+    def _compile_fixup(state)
+      arys = remove_instance_variable(:@_compile_arys)
+
+      components = []
+      arys.each do |ary|
+        case ary
+        when ASN1Kit::Internal::UnresolvedValue
+          rel_oid = ary.unwrap(state)
+          components.concat(rel_oid.components)
+        else
+          components.concat(ary.map { |v| v.unwrap_as_number(state) })
+        end
+      end
+
+      @components = components
+    end
+  end
+end