\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7<F<2PFAFZUP_xxnnx\F5\AF\B9\91\C8\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\DB\00CUZZxix‚\EB\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\FF\C0\00\00b\00d\00\FF\C4\00\00\00\00\00\00\00\00\00\00\00\00\00\00\FF\C4\00\00\00\00\00\00\00\00\00\00\001A!Q\FF\C4\00\00\00\00\00\00\00\00\00\00\00\00\00\FF\C4\00\00\00\00\00\00\00\00\00\00!1AQ\FF\DA\00\00\00?\00\F6\00\00\00\00\00\00\00\00\00\00\A0\00\00\C5\CF\F8\E7Ó\FCjD~\B9^\AD\%\B3]\D8cs-\BBs,-\A0\00"\80\00%\B83rÏ^K~F\A4ea\00E\00\C6\EE=u\B1\9B\D1\00@\00r\BE8\F9:\FE5#.M\00\E7\CB\C9q\CBq\D6\F2\BE\B7\C7>\C9n5×\D6?\BDê\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7	\8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh
\00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2€
\00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95
59\A3R:\F3\CE"\B6\80\88\00\00i1u4ê\E9\F2á\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>C///</title>
</head>
# frozen_string_literal: false
require_relative "parent"
require_relative "parseexception"
require_relative "namespace"
require_relative 'entity'
require_relative 'attlistdecl'
require_relative 'xmltokens'

module REXML
  # Represents an XML DOCTYPE declaration; that is, the contents of <!DOCTYPE
  # ... >.  DOCTYPES can be used to declare the DTD of a document, as well as
  # being used to declare entities used in the document.
  class DocType < Parent
    include XMLTokens
    START = "<!DOCTYPE"
    STOP = ">"
    SYSTEM = "SYSTEM"
    PUBLIC = "PUBLIC"
    DEFAULT_ENTITIES = {
      'gt'=>EntityConst::GT,
      'lt'=>EntityConst::LT,
      'quot'=>EntityConst::QUOT,
      "apos"=>EntityConst::APOS
    }

    # name is the name of the doctype
    # external_id is the referenced DTD, if given
    attr_reader :name, :external_id, :entities, :namespaces

    # Constructor
    #
    #   dt = DocType.new( 'foo', '-//I/Hate/External/IDs' )
    #   # <!DOCTYPE foo '-//I/Hate/External/IDs'>
    #   dt = DocType.new( doctype_to_clone )
    #   # Incomplete.  Shallow clone of doctype
    #
    # +Note+ that the constructor:
    #
    #  Doctype.new( Source.new( "<!DOCTYPE foo 'bar'>" ) )
    #
    # is _deprecated_.  Do not use it.  It will probably disappear.
    def initialize( first, parent=nil )
      @entities = DEFAULT_ENTITIES
      @long_name = @uri = nil
      if first.kind_of? String
        super()
        @name = first
        @external_id = parent
      elsif first.kind_of? DocType
        super( parent )
        @name = first.name
        @external_id = first.external_id
      elsif first.kind_of? Array
        super( parent )
        @name = first[0]
        @external_id = first[1]
        @long_name = first[2]
        @uri = first[3]
      elsif first.kind_of? Source
        super( parent )
        parser = Parsers::BaseParser.new( first )
        event = parser.pull
        if event[0] == :start_doctype
          @name, @external_id, @long_name, @uri, = event[1..-1]
        end
      else
        super()
      end
    end

    def node_type
      :doctype
    end

    def attributes_of element
      rv = []
      each do |child|
        child.each do |key,val|
          rv << Attribute.new(key,val)
        end if child.kind_of? AttlistDecl and child.element_name == element
      end
      rv
    end

    def attribute_of element, attribute
      att_decl = find do |child|
        child.kind_of? AttlistDecl and
        child.element_name == element and
        child.include? attribute
      end
      return nil unless att_decl
      att_decl[attribute]
    end

    def clone
      DocType.new self
    end

    # output::
    #   Where to write the string
    # indent::
    #   An integer.  If -1, no indentation will be used; otherwise, the
    #   indentation will be this number of spaces, and children will be
    #   indented an additional amount.
    # transitive::
    #   Ignored
    # ie_hack::
    #   Ignored
    def write( output, indent=0, transitive=false, ie_hack=false )
      f = REXML::Formatters::Default.new
      c = context
      if c and c[:prologue_quote] == :apostrophe
        quote = "'"
      else
        quote = "\""
      end
      indent( output, indent )
      output << START
      output << ' '
      output << @name
      output << " #{@external_id}" if @external_id
      output << " #{quote}#{@long_name}#{quote}" if @long_name
      output << " #{quote}#{@uri}#{quote}" if @uri
      unless @children.empty?
        output << ' ['
        @children.each { |child|
          output << "\n"
          f.write( child, output )
        }
        output << "\n]"
      end
      output << STOP
    end

    def context
      if @parent
        @parent.context
      else
        nil
      end
    end

    def entity( name )
      @entities[name].unnormalized if @entities[name]
    end

    def add child
      super(child)
      @entities = DEFAULT_ENTITIES.clone if @entities == DEFAULT_ENTITIES
      @entities[ child.name ] = child if child.kind_of? Entity
    end

    # This method retrieves the public identifier identifying the document's
    # DTD.
    #
    # Method contributed by Henrik Martensson
    def public
      case @external_id
      when "SYSTEM"
        nil
      when "PUBLIC"
        strip_quotes(@long_name)
      end
    end

    # This method retrieves the system identifier identifying the document's DTD
    #
    # Method contributed by Henrik Martensson
    def system
      case @external_id
      when "SYSTEM"
        strip_quotes(@long_name)
      when "PUBLIC"
        @uri.kind_of?(String) ? strip_quotes(@uri) : nil
      end
    end

    # This method returns a list of notations that have been declared in the
    # _internal_ DTD subset. Notations in the external DTD subset are not
    # listed.
    #
    # Method contributed by Henrik Martensson
    def notations
      children().select {|node| node.kind_of?(REXML::NotationDecl)}
    end

    # Retrieves a named notation. Only notations declared in the internal
    # DTD subset can be retrieved.
    #
    # Method contributed by Henrik Martensson
    def notation(name)
      notations.find { |notation_decl|
        notation_decl.name == name
      }
    end

    private

    # Method contributed by Henrik Martensson
    def strip_quotes(quoted_string)
      quoted_string =~ /^[\'\"].*[\'\"]$/ ?
        quote