module Mail::Parsers::MessageIdsParser

def self.parse(data)
  data = data.dup.force_encoding(Encoding::ASCII_8BIT) if data.respond_to?(:force_encoding)
  raise Mail::Field::NilParseError.new(Mail::MessageIdsElement) if data.nil?
  # Parser state
  message_ids = MessageIdsStruct.new([])
  msg_id_s = nil
  # 5.1 Variables Used by Ragel
  p = 0
  eof = pe = data.length
  stack = []
  begin
    p ||= 0
    pe ||= data.length
    cs = start
    top = 0
  end
  begin
    testEof = false
    _slen, _trans, _keys, _inds, _acts, _nacts = nil
    _goto_level = 0
    _resume = 10
    _eof_trans = 15
    _again = 20
    _test_eof = 30
    _out = 40
    while true
      if _goto_level <= 0
        if p == pe
          _goto_level = _test_eof
          next
        end
        if cs == 0
          _goto_level = _out
          next
        end
      end
      if _goto_level <= _resume
        _keys = cs << 1
        _inds = _index_offsets[cs]
        _slen = _key_spans[cs]
        _wide = data[p].ord
        _trans = if (_slen > 0 &&
                     _trans_keys[_keys] <= _wide &&
                     _wide <= _trans_keys[_keys + 1])
                   _indicies[_inds + _wide - _trans_keys[_keys]]
                 else
                   _indicies[_inds + _slen]
                 end
        cs = _trans_targs[_trans]
        if _trans_actions[_trans] != 0
          case _trans_actions[_trans]
          when 1
            begin
              msg_id_s = p
            end
          when 30
            begin
              id = chars(data, msg_id_s, p - 1)
              id = $1 if id =~ /.*<(.*)>.*/
              message_ids.message_ids << id
            end
          when 9
            begin
            end
          when 26
            begin
            end
          when 14
            begin
            end
          when 12
            begin
            end
          when 8
            begin
            end
          when 5
            begin
            end
          when 3
            begin
            end
          when 18
            begin
            end
          when 16
            begin
            end
          when 22
            begin
            end
          when 2
            begin
              begin
                stack[top] = cs
                top += 1
                cs = 306
                _goto_level = _again
                next
              end
            end
          when 29
            begin
              begin
                top -= 1
                cs = stack[top]
                _goto_level = _again
                next
              end
            end
          when 32
            begin
              id = chars(data, msg_id_s, p - 1)
              id = $1 if id =~ /.*<(.*)>.*/
              message_ids.message_ids << id
            end
            begin
              msg_id_s = p
            end
          when 31
            begin
              id = chars(data, msg_id_s, p - 1)
              id = $1 if id =~ /.*<(.*)>.*/
              message_ids.message_ids << id
            end
            begin
              begin
                stack[top] = cs
                top += 1
                cs = 306
                _goto_level = _again
                next
              end
            end
          when 25
            begin
            end
            begin
              msg_id_s = p
            end
          when 15
            begin
            end
            begin
            end
          when 11
            begin
            end
            begin
            end
          when 24
            begin
            end
            begin
            end
          when 23
            begin
            end
            begin
            end
          when 10
            begin
            end
            begin
              begin
                stack[top] = cs
                top += 1
                cs = 306
                _goto_level = _again
                next
              end
            end
          when 27
            begin
            end
            begin
              begin
                stack[top] = cs
                top += 1
                cs = 306
                _goto_level = _again
                next
              end
            end
          when 28
            begin
            end
            begin
              begin
                top -= 1
                cs = stack[top]
                _goto_level = _again
                next
              end
            end
          when 13
            begin
            end
            begin
              begin
                stack[top] = cs
                top += 1
                cs = 306
                _goto_level = _again
                next
              end
            end
          when 20
            begin
            end
            begin
            end
          when 33
            begin
            end
            begin
              id = chars(data, msg_id_s, p - 1)
              id = $1 if id =~ /.*<(.*)>.*/
              message_ids.message_ids << id
            end
          when 7
            begin
            end
            begin
            end
          when 6
            begin
            end
            begin
              begin
                stack[top] = cs
                top += 1
                cs = 306
                _goto_level = _again
                next
              end
            end
          when 4
            begin
            end
            begin
              begin
                stack[top] = cs
                top += 1
                cs = 306
                _goto_level = _again
                next
              end
            end
          when 17
            begin
            end
            begin
            end
          when 21
            begin
            end
            begin
            end
            begin
            end
          when 19
            begin
            end
            begin
            end
            begin
            end
          when 34
            begin
            end
            begin
              begin
                stack[top] = cs
                top += 1
                cs = 306
                _goto_level = _again
                next
              end
            end
            begin
              id = chars(data, msg_id_s, p - 1)
              id = $1 if id =~ /.*<(.*)>.*/
              message_ids.message_ids << id
            end
          end
        end
      end
      if _goto_level <= _again
        if cs == 0
          _goto_level = _out
          next
        end
        p += 1
        if p != pe
          _goto_level = _resume
          next
        end
      end
      if _goto_level <= _test_eof
        if p == eof
          case _eof_actions[cs]
          when 30
            begin
              id = chars(data, msg_id_s, p - 1)
              id = $1 if id =~ /.*<(.*)>.*/
              message_ids.message_ids << id
            end
          when 9
            begin
            end
          end
        end
      end
      if _goto_level <= _out
        break
      end
    end
  end
  if p != eof || cs < 318
    raise Mail::Field::IncompleteParseError.new(Mail::MessageIdsElement, data, p)
  end
  message_ids
end