lib/ffi-icu/chardet.rb in ffi-icu-0.0.5 vs lib/ffi-icu/chardet.rb in ffi-icu-0.0.6

@@ -1,21 +1,18 @@
 module ICU
   module CharDet
 
     def self.detect(string)
-      detector = Detector.new
-      res = detector.detect string
-      detector.close
-
-      res
+      Detector.new.detect string
     end
 
     class Detector
       Match = Struct.new(:name, :confidence, :language)
 
       def initialize
-        @detector = Lib.check_error { |ptr| Lib.ucsdet_open(ptr) }
+        ptr = Lib.check_error { |err| Lib.ucsdet_open err }
+        @detector = FFI::AutoPointer.new(ptr, Lib.method(:ucsdet_close))
       end
 
       def input_filter_enabled?
         Lib.ucsdet_isInputFilterEnabled @detector
       end
@@ -26,13 +23,9 @@
 
       def declared_encoding=(str)
         Lib.check_error do |ptr|
           Lib.ucsdet_setDeclaredEncoding(@detector, str, str.bytesize, ptr)
         end
-      end
-
-      def close
-        Lib.ucsdet_close @detector
       end
 
       def detect(str)
         set_text(str)