1 files changed, 20 insertions, 8 deletions
diff --git a/lib/reline/key_actor/base.rb b/lib/reline/key_actor/base.rb
index a1cd7fb2a1..ee28c7681e 100644
--- a/lib/reline/key_actor/base.rb
+++ b/lib/reline/key_actor/base.rb
@@ -1,19 +1,31 @@
 class Reline::KeyActor::Base
-  MAPPING = Array.new(256)
+  def initialize(mapping = [])
+    @mapping = mapping
+    @matching_bytes = {}
+    @key_bindings = {}
+  end
 
   def get_method(key)
-    self.class::MAPPING[key]
+    @mapping[key]
+  end
+
+  def add(key, func)
+    (1...key.size).each do |size|
+      @matching_bytes[key.take(size)] = true
+    end
+    @key_bindings[key] = func
   end
 
-  def initialize
-    @default_key_bindings = {}
+  def matching?(key)
+    @matching_bytes[key]
   end
 
-  def default_key_bindings
-    @default_key_bindings
+  def get(key)
+    @key_bindings[key]
   end
 
-  def reset_default_key_bindings
-    @default_key_bindings.clear
+  def clear
+    @matching_bytes.clear
+    @key_bindings.clear
   end
 end