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?? attlistdecl.rb(1.89 KB)
?? attribute.rb(5.39 KB)
?? cdata.rb(1.54 KB)
?? child.rb(2.63 KB)
?? comment.rb(2.14 KB)
?? doctype.rb(6.58 KB)
?? document.rb(8.28 KB)
?? dtd
?? element.rb(43.85 KB)
?? encoding.rb(1.49 KB)
?? entity.rb(5.53 KB)
?? formatters
?? functions.rb(11.27 KB)
?? instruction.rb(2.01 KB)
?? light
?? namespace.rb(1.09 KB)
?? node.rb(2.13 KB)
?? output.rb(392 B)
?? parent.rb(4.33 KB)
?? parseexception.rb(1.22 KB)
?? parsers
?? quickpath.rb(9.08 KB)
?? rexml.rb(1.65 KB)
?? sax2listener.rb(3.6 KB)
?? source.rb(7.29 KB)
?? streamlistener.rb(3.88 KB)
?? syncenumerator.rb(685 B)
?? text.rb(13.57 KB)
?? undefinednamespaceexception.rb(210 B)
?? validation
?? xmldecl.rb(2.78 KB)
?? xmltokens.rb(526 B)
?? xpath.rb(3.31 KB)
?? xpath_parser.rb(25.7 KB)

Editing: doctype.rb

require "rexml/parent"
require "rexml/parseexception"
require "rexml/namespace"
require 'rexml/entity'
require 'rexml/attlistdecl'
require 'rexml/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
      indent( output, indent )
      output << START
      output << ' '
      output << @name
      output << " #@external_id" if @external_id
      output << " #{@long_name.inspect}" if @long_name
      output << " #{@uri.inspect}" if @uri
      unless @children.empty?
        output << ' ['
        @children.each { |child|
          output << "\n"
          f.write( child, output )
        }
        output << "\n]"
      end
      output << STOP
    end

def context
      @parent.context
    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 =~ /^[\'\"].*[\'\"]$/ ?
        quoted_string[1, quoted_string.length-2] :
        quoted_string
    end
  end

# We don't really handle any of these since we're not a validating
  # parser, so we can be pretty dumb about them.  All we need to be able
  # to do is spew them back out on a write()

# This is an abstract class.  You never use this directly; it serves as a
  # parent class for the specific declarations.
  class Declaration < Child
    def initialize src
      super()
      @string = src
    end

def to_s
      @string+'>'
    end

# == DEPRECATED
    # See REXML::Formatters
    #
    def write( output, indent )
      output << to_s
    end
  end

public
  class ElementDecl < Declaration
    def initialize( src )
      super
    end
  end

class ExternalEntity < Child
    def initialize( src )
      super()
      @entity = src
    end
    def to_s
      @entity
    end
    def write( output, indent )
      output << @entity
    end
  end

class NotationDecl < Child
    attr_accessor :public, :system
    def initialize name, middle, pub, sys
      super(nil)
      @name = name
      @middle = middle
      @public = pub
      @system = sys
    end

def to_s
      notation = "<!NOTATION #{@name} #{@middle}"
      notation << " #{@public.inspect}" if @public
      notation << " #{@system.inspect}" if @system
      notation << ">"
      notation
    end

def write( output, indent=-1 )
      output << to_s
    end

# This method retrieves the name of the notation.
    #
    # Method contributed by Henrik Martensson
    def name
      @name
    end
  end
end

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