method

translate_offset

v3.1.0 - Show latest stable - 0 notes - Class: ActiveSupport::Multibyte::Chars

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translate_offset(byte_offset) protected

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# File activesupport/lib/active_support/multibyte/chars.rb, line 429
        def translate_offset(byte_offset) #:nodoc:
          return nil if byte_offset.nil?
          return 0   if @wrapped_string == ''

          if @wrapped_string.respond_to?(:force_encoding)
            @wrapped_string = @wrapped_string.dup.force_encoding(Encoding::ASCII_8BIT)
          end

          begin
            @wrapped_string[0...byte_offset].unpack('U*').length
          rescue ArgumentError
            byte_offset -= 1
            retry
          end
        end

translate_offset

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