1 files changed, 55 insertions, 0 deletions
diff --git a/lib/hashie/extensions/key_conflict_warning.rb b/lib/hashie/extensions/key_conflict_warning.rb
new file mode 100644
index 0000000..7ce56a1
--- /dev/null
+++ b/lib/hashie/extensions/key_conflict_warning.rb
@@ -0,0 +1,55 @@
+module Hashie
+  module Extensions
+    module KeyConflictWarning
+      class CannotDisableMashWarnings < StandardError
+        def initialize
+          super(
+            'You cannot disable warnings on the base Mash class. ' \
+            'Please subclass the Mash and disable it in the subclass.'
+          )
+        end
+      end
+
+      # Disable the logging of warnings based on keys conflicting keys/methods
+      #
+      # @api semipublic
+      # @return [void]
+      def disable_warnings(*method_keys)
+        raise CannotDisableMashWarnings if self == Hashie::Mash
+        if method_keys.any?
+          disabled_warnings.concat(method_keys).tap(&:flatten!).uniq!
+        else
+          disabled_warnings.clear
+        end
+
+        @disable_warnings = true
+      end
+
+      # Checks whether this class disables warnings for conflicting keys/methods
+      #
+      # @api semipublic
+      # @return [Boolean]
+      def disable_warnings?(method_key = nil)
+        return disabled_warnings.include?(method_key) if disabled_warnings.any? && method_key
+        @disable_warnings ||= false
+      end
+
+      # Returns an array of blacklisted methods that this class disables warnings for.
+      #
+      # @api semipublic
+      # @return [Boolean]
+      def disabled_warnings
+        @_disabled_warnings ||= []
+      end
+
+      # Inheritance hook that sets class configuration when inherited.
+      #
+      # @api semipublic
+      # @return [void]
+      def inherited(subclass)
+        super
+        subclass.disable_warnings(disabled_warnings) if disable_warnings?
+      end
+    end
+  end
+end