4 # error message when invalid UTF-8 is detected
5 @@invalid_utf8_message = " is invalid UTF-8"
8 # validation method to be included like any other validations methods
9 # in the models definitions. this one checks that the named attribute
10 # is a valid UTF-8 format string.
11 def validates_as_utf8(*attrs)
12 validates_each(attrs) do |record, attr, value|
13 record.errors.add(attr, @@invalid_utf8_message) unless UTF8.valid? value