1  module REXML
   2    module Encoding
   3      def encode_unile content
   4        array_utf8 = content.unpack("U*")
   5        array_enc = []
   6        array_utf8.each do |num|
   7          if ((num>>16) > 0)
   8            array_enc << ??
   9            array_enc << 0
  10          else
  11            array_enc << (num & 0xFF)
  12            array_enc << (num >> 8)
  13          end
  14        end
  15        array_enc.pack('C*')
  16      end
  17 
  18      def decode_unile(str)
  19        array_enc=str.unpack('C*')
  20        array_utf8 = []
  21        0.step(array_enc.size-1, 2){|i| 
  22          array_utf8 << (array_enc.at(i) + array_enc.at(i+1)*0x100)
  23        }
  24        array_utf8.pack('U*')
  25      end
  26 
  27      register(UNILE) do |obj|
  28        class << obj
  29          alias decode decode_unile
  30          alias encode encode_unile
  31        end
  32      end
  33    end
  34  end