lib/hobo_support/methodcall.rb in hobosupport-0.9.103 vs lib/hobo_support/methodcall.rb in hobosupport-0.9.104

@@ -1,11 +1,11 @@
 # The dot operator calls methods on objects. Power Dots are dots with extra features
 #
-#   .? calls a method if the reciever is not nil, returns nil
+#   .? calls a method if the receiver is not nil, returns nil
 #   otherwise. We have to write it ._?. in order to be valid Ruby
 #
-#   .try. calls a mehod only if the recipient resonds to that method
+#   .try. calls a method only if the recipient responds to that method
 
 require 'delegate'
 require 'singleton'
 require 'blankslate'
 
@@ -54,34 +54,17 @@
 
 
 class SafeNil
   include Singleton
 
-  DONT_REDEFINE_METHODS = "__id__", "__send__", "object_id"
-
-  NIL_RESPONSE_METHODS = ["to_s", "to_json", "to_yaml", "__id__", "__is_a__", "__metaclass__", "__send__"]
-
-  (NIL_RESPONSE_METHODS - DONT_REDEFINE_METHODS).each do |method|
-    # can't use define_method with a block
-    eval "
-      def #{method}(*args, &b)
-        nil.send(:#{method}, *args, &b)
-      end"
+  begin
+    old_verbose, $VERBOSE = $VERBOSE, nil   # just like Rails silence_warnings: suppress "warning: undefining `object_id' may cause serious problem"
+    instance_methods.each { |m| undef_method m unless m[0,2] == '__' }
+  ensure
+    $VERBOSE = old_verbose
   end
 
-  (instance_methods.map{|m| m.to_s} - NIL_RESPONSE_METHODS - DONT_REDEFINE_METHODS).each do |method|
-    # can't use define_method with a block
-    eval "
-      def #{method}(*args, &b)
-        nil
-      end"
-  end
-
-  def to_s
-    ""
-  end  
-
   def method_missing(method, *args, &b)
     return nil
   end
 end
 
@@ -118,6 +101,17 @@
       def try(*args, &block)
         HoboSupport.hobo_try(self, *args, &block)
       end
     end
   end
+
+  module NamedScope
+    class Scope
+      # we need to make sure we don't trigger AssociationCollections' method_missing
+      def try(*args, &block)
+        HoboSupport.hobo_try(self, *args, &block)
+      end
+    end
+  end
+
 end
+