Remove multibyte utils

This is neither a public API, nor used internally, so let's remove it.

2 files changed, 1 insertions, 47 deletions

diff --git a/activesupport/lib/active_support/multibyte.rb b/activesupport/lib/active_support/multibyte.rb
index 57e8e24bf4..cabe073616 100644
--- a/activesupport/lib/active_support/multibyte.rb
+++ b/activesupport/lib/active_support/multibyte.rb
@@ -21,24 +21,5 @@ module ActiveSupport #:nodoc:
     def self.proxy_class
       @proxy_class ||= ActiveSupport::Multibyte::Chars
     end
-
-    # Regular expressions that describe valid byte sequences for a character
-    VALID_CHARACTER = {
-      # Borrowed from the Kconv library by Shinji KONO - (also as seen on the W3C site)
-      'UTF-8' => /\A(?:
-                  [\x00-\x7f]                                         |
-                  [\xc2-\xdf] [\x80-\xbf]                             |
-                  \xe0        [\xa0-\xbf] [\x80-\xbf]                 |
-                  [\xe1-\xef] [\x80-\xbf] [\x80-\xbf]                 |
-                  \xf0        [\x90-\xbf] [\x80-\xbf] [\x80-\xbf]     |
-                  [\xf1-\xf3] [\x80-\xbf] [\x80-\xbf] [\x80-\xbf]     |
-                  \xf4        [\x80-\x8f] [\x80-\xbf] [\x80-\xbf])\z /xn,
-      # Quick check for valid Shift-JIS characters, disregards the odd-even pairing
-      'Shift_JIS' => /\A(?:
-                  [\x00-\x7e\xa1-\xdf]                                     |
-                  [\x81-\x9f\xe0-\xef] [\x40-\x7e\x80-\x9e\x9f-\xfc])\z /xn
-    }
   end
-end
-
-require 'active_support/multibyte/utils'
\ No newline at end of file
+end
\ No newline at end of file
diff --git a/activesupport/lib/active_support/multibyte/utils.rb b/activesupport/lib/active_support/multibyte/utils.rb
deleted file mode 100644
index bd6d4bad41..0000000000
--- a/activesupport/lib/active_support/multibyte/utils.rb
+++ /dev/null
@@ -1,27 +0,0 @@
-# encoding: utf-8
-
-module ActiveSupport #:nodoc:
-  module Multibyte #:nodoc:
-    # Returns a regular expression that matches valid characters in the current encoding
-    def self.valid_character
-      VALID_CHARACTER[Encoding.default_external.to_s]
-    end
-
-    # Verifies the encoding of a string
-    def self.verify(string)
-      string.valid_encoding?
-    end
-
-    # Verifies the encoding of the string and raises an exception when it's not valid
-    def self.verify!(string)
-      raise EncodingError.new("Found characters with invalid encoding") unless verify(string)
-    end
-
-    # Removes all invalid characters from the string.
-    #
-    # Note: this method is a no-op in Ruby 1.9
-    def self.clean(string)
-      string
-    end
-  end
-end