Fix most auto-correctable rubocop issues
[rails.git] / lib / utf8.rb
1 module UTF8
2   ##
3   # Checks that a string is valid UTF-8 by trying to convert it to UTF-8
4   # using the iconv library, which is in the standard library.
5   if ''.respond_to?("valid_encoding?")
6     def self.valid?(str)
7       return true if str.nil?
8       str.valid_encoding?
9     end
10   else
11     require 'iconv'
12
13     def self.valid?(str)
14       return true if str.nil?
15       Iconv.conv("UTF-8", "UTF-8", str)
16       return true
17     rescue
18       return false
19     end
20   end
21 end