# File rexml/encoding.rb, line 8
    def self.apply(obj, enc)
      @encoding_methods[enc][obj]
    end

# File rexml/encoding.rb, line 11
    def self.encoding_method(enc)
      @encoding_methods[enc]
    end

# File rexml/encoding.rb, line 5
    def self.register(enc, &block)
      @encoding_methods[enc] = block
    end

# File rexml/encoding.rb, line 57
    def check_encoding str
      # We have to recognize UTF-16, LSB UTF-16, and UTF-8
      if str[0] == 0xfe && str[1] == 0xff
        str[0,2] = ""
        return UTF_16
      elsif str[0] == 0xff && str[1] == 0xfe
        str[0,2] = ""
        return UNILE
      end
      str =~ /^\s*<\?xml\s+version\s*=\s*(['"]).*?\1\s+encoding\s*=\s*(["'])(.*?)\2/um
      return $3.upcase if $3
      return UTF_8
    end

# File rexml/encodings/US-ASCII.rb, line 19
    def decode_ascii(str)
      str.unpack('C*').pack('U*')
    end

# File rexml/encodings/CP-1252.rb, line 63
    def decode_cp1252(str)
      array_latin9 = str.unpack('C*')
      array_enc = []
      array_latin9.each do |num|
        case num
          # characters that added compared to iso-8859-1
        when 0x80; array_enc << 0x20AC # 0xe2 0x82 0xac
        when 0x82; array_enc << 0x201A # 0xe2 0x82 0x9a
        when 0x83; array_enc << 0x0192 # 0xc6 0x92
        when 0x84; array_enc << 0x201E # 0xe2 0x82 0x9e
        when 0x85; array_enc << 0x2026 # 0xe2 0x80 0xa6
        when 0x86; array_enc << 0x2020 # 0xe2 0x80 0xa0
        when 0x87; array_enc << 0x2021 # 0xe2 0x80 0xa1
        when 0x88; array_enc << 0x02C6 # 0xcb 0x86
        when 0x89; array_enc << 0x2030 # 0xe2 0x80 0xb0
        when 0x8A; array_enc << 0x0160 # 0xc5 0xa0
        when 0x8B; array_enc << 0x2039 # 0xe2 0x80 0xb9
        when 0x8C; array_enc << 0x0152 # 0xc5 0x92
        when 0x8E; array_enc << 0x017D # 0xc5 0xbd
        when 0x91; array_enc << 0x2018 # 0xe2 0x80 0x98
        when 0x92; array_enc << 0x2019 # 0xe2 0x80 0x99
        when 0x93; array_enc << 0x201C # 0xe2 0x80 0x9c
        when 0x94; array_enc << 0x201D # 0xe2 0x80 0x9d
        when 0x95; array_enc << 0x2022 # 0xe2 0x80 0xa2
        when 0x96; array_enc << 0x2013 # 0xe2 0x80 0x93
        when 0x97; array_enc << 0x2014 # 0xe2 0x80 0x94
        when 0x98; array_enc << 0x02DC # 0xcb 0x9c
        when 0x99; array_enc << 0x2122 # 0xe2 0x84 0xa2
        when 0x9A; array_enc << 0x0161 # 0xc5 0xa1
        when 0x9B; array_enc << 0x203A # 0xe2 0x80 0xba
        when 0x9C; array_enc << 0x0152 # 0xc5 0x93
        when 0x9E; array_enc << 0x017E # 0xc5 0xbe
        when 0x9F; array_enc << 0x0178 # 0xc5 0xb8
        else
          array_enc << num
        end
      end
      array_enc.pack('U*')
    end

# File rexml/encodings/EUC-JP.rb, line 19
      def decode_eucjp(str)
        NKF.nkf(EUCTOU8, str)
      end

# File rexml/encodings/EUC-JP.rb, line 6
      def decode_eucjp(str)
        Uconv::euctou8(str)
      end

# File rexml/encodings/ICONV.rb, line 6
    def decode_iconv(str)
      Iconv.conv(UTF_8, @encoding, str)
    end

# File rexml/encodings/SHIFT-JIS.rb, line 6
      def decode_sjis content
        Uconv::sjistou8(content)
      end

# File rexml/encodings/SHIFT-JIS.rb, line 19
      def decode_sjis(str)
        NKF.nkf(SJISTOU8, str)
      end

# File rexml/encodings/UNILE.rb, line 18
    def decode_unile(str)
      array_enc=str.unpack('C*')
      array_utf8 = []
      0.step(array_enc.size-1, 2){|i| 
        array_utf8 << (array_enc.at(i) + array_enc.at(i+1)*0x100)
      }
      array_utf8.pack('U*')
    end

# File rexml/encodings/UTF-16.rb, line 18
    def decode_utf16(str)
      str = str[2..-1] if /^\376\377/n =~ str
      array_enc=str.unpack('C*')
      array_utf8 = []
      0.step(array_enc.size-1, 2){|i| 
        array_utf8 << (array_enc.at(i+1) + array_enc.at(i)*0x100)
      }
      array_utf8.pack('U*')
    end

# File rexml/encodings/UTF-8.rb, line 7
    def decode_utf8(str)
      str
    end

# File rexml/encodings/US-ASCII.rb, line 4
    def encode_ascii content
      array_utf8 = content.unpack('U*')
      array_enc = []
      array_utf8.each do |num|
        if num <= 0x7F
          array_enc << num
        else
          # Numeric entity (&#nnnn;); shard by  Stefan Scholl
          array_enc.concat "&\##{num};".unpack('C*')
        end
      end
      array_enc.pack('C*')
    end

# File rexml/encodings/CP-1252.rb, line 14
    def encode_cp1252(content)
      array_utf8 = content.unpack('U*')
      array_enc = []
      array_utf8.each do |num|
        case num
          # shortcut first bunch basic characters
        when 0..0xFF; array_enc << num
          # characters added compared to iso-8859-1
        when 0x20AC; array_enc << 0x80 # 0xe2 0x82 0xac
        when 0x201A; array_enc << 0x82 # 0xe2 0x82 0x9a
        when 0x0192; array_enc << 0x83 # 0xc6 0x92
        when 0x201E; array_enc << 0x84 # 0xe2 0x82 0x9e
        when 0x2026; array_enc << 0x85 # 0xe2 0x80 0xa6
        when 0x2020; array_enc << 0x86 # 0xe2 0x80 0xa0
        when 0x2021; array_enc << 0x87 # 0xe2 0x80 0xa1
        when 0x02C6; array_enc << 0x88 # 0xcb 0x86
        when 0x2030; array_enc << 0x89 # 0xe2 0x80 0xb0
        when 0x0160; array_enc << 0x8A # 0xc5 0xa0
        when 0x2039; array_enc << 0x8B # 0xe2 0x80 0xb9
        when 0x0152; array_enc << 0x8C # 0xc5 0x92
        when 0x017D; array_enc << 0x8E # 0xc5 0xbd
        when 0x2018; array_enc << 0x91 # 0xe2 0x80 0x98
        when 0x2019; array_enc << 0x92 # 0xe2 0x80 0x99
        when 0x201C; array_enc << 0x93 # 0xe2 0x80 0x9c
        when 0x201D; array_enc << 0x94 # 0xe2 0x80 0x9d
        when 0x2022; array_enc << 0x95 # 0xe2 0x80 0xa2
        when 0x2013; array_enc << 0x96 # 0xe2 0x80 0x93
        when 0x2014; array_enc << 0x97 # 0xe2 0x80 0x94
        when 0x02DC; array_enc << 0x98 # 0xcb 0x9c
        when 0x2122; array_enc << 0x99 # 0xe2 0x84 0xa2
        when 0x0161; array_enc << 0x9A # 0xc5 0xa1
        when 0x203A; array_enc << 0x9B # 0xe2 0x80 0xba
        when 0x0152; array_enc << 0x9C # 0xc5 0x93
        when 0x017E; array_enc << 0x9E # 0xc5 0xbe
        when 0x0178; array_enc << 0x9F # 0xc5 0xb8
        else
          # all remaining basic characters can be used directly
          if num <= 0xFF
            array_enc << num
          else
            # Numeric entity (&#nnnn;); shard by  Stefan Scholl
            array_enc.concat "&\##{num};".unpack('C*')
          end
        end
      end
      array_enc.pack('C*')
    end

# File rexml/encodings/EUC-JP.rb, line 23
      def encode_eucjp content
        NKF.nkf(U8TOEUC, content)
      end

# File rexml/encodings/EUC-JP.rb, line 10
      def encode_eucjp content
        Uconv::u8toeuc(content)
      end

# File rexml/encodings/ICONV.rb, line 10
    def encode_iconv(content)
      Iconv.conv(@encoding, UTF_8, content)
    end

# File rexml/encodings/SHIFT-JIS.rb, line 10
      def encode_sjis(str)
        Uconv::u8tosjis(str)
      end

# File rexml/encodings/SHIFT-JIS.rb, line 23
      def encode_sjis content
        NKF.nkf(U8TOSJIS, content)
      end

# File rexml/encodings/UNILE.rb, line 3
    def encode_unile content
      array_utf8 = content.unpack("U*")
      array_enc = []
      array_utf8.each do |num|
        if ((num>>16) > 0)
          array_enc << ??
          array_enc << 0
        else
          array_enc << (num & 0xFF)
          array_enc << (num >> 8)
        end
      end
      array_enc.pack('C*')
    end

# File rexml/encodings/UTF-16.rb, line 3
    def encode_utf16 content
      array_utf8 = content.unpack("U*")
      array_enc = []
      array_utf8.each do |num|
        if ((num>>16) > 0)
          array_enc << 0
          array_enc << ??
        else
          array_enc << (num >> 8)
          array_enc << (num & 0xFF)
        end
      end
      array_enc.pack('C*')
    end

# File rexml/encodings/UTF-8.rb, line 3
    def encode_utf8 content
      content
    end

# File rexml/encoding.rb, line 23
    def encoding=( enc )
      old_verbosity = $VERBOSE
      begin
        $VERBOSE = false
        enc = enc.nil? ? nil : enc.upcase
        return false if defined? @encoding and enc == @encoding
        if enc and enc != UTF_8
          @encoding = enc
          raise ArgumentError, "Bad encoding name #@encoding" unless @encoding =~ /^[\w-]+$/
          @encoding.untaint 
          begin
            require 'rexml/encodings/ICONV.rb'
            Encoding.apply(self, "ICONV")
          rescue LoadError, Exception
            begin
              enc_file = File.join( "rexml", "encodings", "#@encoding.rb" )
              require enc_file
              Encoding.apply(self, @encoding)
            rescue LoadError => err
              puts err.message
              raise ArgumentError, "No decoder found for encoding #@encoding.  Please install iconv."
            end
          end
        else
          @encoding = UTF_8
          require 'rexml/encodings/UTF-8.rb'
          Encoding.apply(self, @encoding)
        end
      ensure
        $VERBOSE = old_verbosity
      end
      true
    end

# File rexml/encodings/ISO-8859-15.rb, line 51
    def from_iso_8859_15(str)
      array_latin9 = str.unpack('C*')
      array_enc = []
      array_latin9.each do |num|
        case num
          # characters that differ compared to iso-8859-1
        when 0xA4; array_enc << 0x20AC
        when 0xA6; array_enc << 0x0160
        when 0xA8; array_enc << 0x0161
        when 0xB4; array_enc << 0x017D
        when 0xB8; array_enc << 0x017E
        when 0xBC; array_enc << 0x0152
        when 0xBD; array_enc << 0x0153
        when 0xBE; array_enc << 0x0178
        else
          array_enc << num
        end
      end
      array_enc.pack('U*')
    end

# File rexml/encodings/ISO-8859-15.rb, line 12
    def to_iso_8859_15(content)
      array_utf8 = content.unpack('U*')
      array_enc = []
      array_utf8.each do |num|
        case num
          # shortcut first bunch basic characters
        when 0..0xA3; array_enc << num
          # characters removed compared to iso-8859-1
        when 0xA4; array_enc << '&#164;'
        when 0xA6; array_enc << '&#166;'
        when 0xA8; array_enc << '&#168;'
        when 0xB4; array_enc << '&#180;'
        when 0xB8; array_enc << '&#184;'
        when 0xBC; array_enc << '&#188;'
        when 0xBD; array_enc << '&#189;'
        when 0xBE; array_enc << '&#190;'
          # characters added compared to iso-8859-1
        when 0x20AC; array_enc << 0xA4 # 0xe2 0x82 0xac
        when 0x0160; array_enc << 0xA6 # 0xc5 0xa0
        when 0x0161; array_enc << 0xA8 # 0xc5 0xa1
        when 0x017D; array_enc << 0xB4 # 0xc5 0xbd
        when 0x017E; array_enc << 0xB8 # 0xc5 0xbe
        when 0x0152; array_enc << 0xBC # 0xc5 0x92
        when 0x0153; array_enc << 0xBD # 0xc5 0x93
        when 0x0178; array_enc << 0xBE # 0xc5 0xb8
        else
          # all remaining basic characters can be used directly
          if num <= 0xFF
            array_enc << num
          else
            # Numeric entity (&#nnnn;); shard by  Stefan Scholl
            array_enc.concat "&\##{num};".unpack('C*')
          end
        end
      end
      array_enc.pack('C*')
    end