# File lib/xsd/charset.rb, line 26
  def Charset.init
    EncodingConvertMap[['UTF8', 'X_ISO8859_1']] =
      Proc.new { |str| str.unpack('U*').pack('C*') }
    EncodingConvertMap[['X_ISO8859_1', 'UTF8']] =
      Proc.new { |str| str.unpack('C*').pack('U*') }
    begin
      require 'xsd/iconvcharset'
      @internal_encoding = 'UTF8'
      sjtag = (/(mswin|bccwin|mingw|cygwin|emx)/ =~ RUBY_PLATFORM) ? 'cp932' :
        'shift_jis'
      EncodingConvertMap[['UTF8', 'EUC' ]] =
        Proc.new { |str| IconvCharset.safe_iconv("euc-jp", "utf-8", str) }
      EncodingConvertMap[['EUC' , 'UTF8']] =
        Proc.new { |str| IconvCharset.safe_iconv("utf-8", "euc-jp", str) }
      EncodingConvertMap[['EUC' , 'SJIS']] =
        Proc.new { |str| IconvCharset.safe_iconv(sjtag, "euc-jp", str) }
      EncodingConvertMap[['UTF8', 'SJIS']] =
        Proc.new { |str| IconvCharset.safe_iconv(sjtag, "utf-8", str) }
      EncodingConvertMap[['SJIS', 'UTF8']] =
        Proc.new { |str| IconvCharset.safe_iconv("utf-8", sjtag, str) }
      EncodingConvertMap[['SJIS', 'EUC' ]] =
        Proc.new { |str| IconvCharset.safe_iconv("euc-jp", sjtag, str) }
    rescue LoadError
      begin
        require 'nkf'
        EncodingConvertMap[['EUC' , 'SJIS']] =
          Proc.new { |str| NKF.nkf('-sXm0', str) }
        EncodingConvertMap[['SJIS', 'EUC' ]] =
          Proc.new { |str| NKF.nkf('-eXm0', str) }
      rescue LoadError
      end
  
      begin
        require 'uconv'
        @internal_encoding = 'UTF8'
        EncodingConvertMap[['UTF8', 'EUC' ]] = Uconv.method(:u8toeuc)
        EncodingConvertMap[['UTF8', 'SJIS']] = Uconv.method(:u8tosjis)
        EncodingConvertMap[['EUC' , 'UTF8']] = Uconv.method(:euctou8)
        EncodingConvertMap[['SJIS', 'UTF8']] = Uconv.method(:sjistou8)
      rescue LoadError
      end
    end
  end