method

normalize

v3.2.1 - Show latest stable - 0 notes - Class: ActiveSupport::Multibyte::Unicode

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What's this?

normalize(string, form=nil) public

Returns the KC normalization of the string by default. NFKC is considered the best normalization form for passing strings to databases and validations.

string - The string to perform normalization on.
form - The form you want to normalize in. Should be one of the following: :c, :kc, :d, or :kd. Default is ActiveSupport::Multibyte.default_normalization_form

Show source

# File activesupport/lib/active_support/multibyte/unicode.rb, line 282
      def normalize(string, form=nil)
        form ||= @default_normalization_form
        # See http://www.unicode.org/reports/tr15, Table 1
        codepoints = u_unpack(string)
        case form
          when :d
            reorder_characters(decompose_codepoints(:canonical, codepoints))
          when :c
            compose_codepoints(reorder_characters(decompose_codepoints(:canonical, codepoints)))
          when :kd
            reorder_characters(decompose_codepoints(:compatability, codepoints))
          when :kc
            compose_codepoints(reorder_characters(decompose_codepoints(:compatability, codepoints)))
          else
            raise ArgumentError, "#{form} is not a valid normalization variant", caller
        end.pack('U*')
      end

normalize

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