class HTree::DocType

# File htree/leaf.rb, line 25
def initialize(root_element_name, public_identifier=nil, system_identifier=nil)
  init_raw_string
  if public_identifier && /\A[ \x0d\x0aa-zA-Z0-9\-'()+,.\/:=?;!*\#@$_%]*\z/ !~ public_identifier
    raise HTree::Error, "invalid public identifier in document type declaration: #{public_identifier.inspect}"
  end
  if system_identifier && /"/ =~ system_identifier && /'/ =~ system_identifier
    raise HTree::Error, "invalid system identifier in document type declaration: #{system_identifier.inspect}"
  end

  @root_element_name = root_element_name
  @public_identifier = public_identifier
  @system_identifier = system_identifier
end

# File htree/parse.rb, line 372
def DocType.parse(raw_string, is_xml, is_html)
  unless /\A#{Pat::DocType_C}\z/o =~ raw_string
    raise HTree::Error, "cannot recognize as XML declaration: #{raw_string.inspect}"
  end

  root_element_name = $1
  public_identifier = $2 || $3
  system_identifier = $4 || $5

  root_element_name = root_element_name.downcase if !is_xml && is_html

  result = DocType.new(root_element_name, public_identifier, system_identifier)
  result.raw_string = raw_string
  result
end