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ðŸ“ ..
ðŸ“„ attlistdecl.rb(1.92 KB)
ðŸ“„ attribute.rb(5.53 KB)
ðŸ“„ cdata.rb(1.57 KB)
ðŸ“„ child.rb(2.66 KB)
ðŸ“„ comment.rb(2.1 KB)
ðŸ“„ doctype.rb(6.61 KB)
ðŸ“„ document.rb(9.51 KB)
ðŸ“ dtd
ðŸ“„ element.rb(43.64 KB)
ðŸ“„ encoding.rb(1.16 KB)
ðŸ“„ entity.rb(5.56 KB)
ðŸ“ formatters
ðŸ“„ functions.rb(11.8 KB)
ðŸ“„ instruction.rb(2.04 KB)
ðŸ“ light
ðŸ“„ namespace.rb(1.12 KB)
ðŸ“„ node.rb(2.16 KB)
ðŸ“„ output.rb(550 B)
ðŸ“„ parent.rb(4.27 KB)
ðŸ“„ parseexception.rb(1.25 KB)
ðŸ“ parsers
ðŸ“„ quickpath.rb(9.11 KB)
ðŸ“„ rexml.rb(1.32 KB)
ðŸ“„ sax2listener.rb(3.61 KB)
ðŸ“„ security.rb(824 B)
ðŸ“„ source.rb(7.64 KB)
ðŸ“„ streamlistener.rb(3.84 KB)
ðŸ“„ syncenumerator.rb(716 B)
ðŸ“„ text.rb(13.77 KB)
ðŸ“„ undefinednamespaceexception.rb(241 B)
ðŸ“ validation
ðŸ“„ xmldecl.rb(2.71 KB)
ðŸ“„ xmltokens.rb(2.32 KB)
ðŸ“„ xpath.rb(3.34 KB)
ðŸ“„ xpath_parser.rb(20.44 KB)

Editing: child.rb

# frozen_string_literal: false
require "rexml/node"

module REXML
  ##
  # A Child object is something contained by a parent, and this class
  # contains methods to support that.  Most user code will not use this
  # class directly.
  class Child
    include Node
    attr_reader :parent         # The Parent of this object

# Constructor.  Any inheritors of this class should call super to make
    # sure this method is called.
    # parent::
    #   if supplied, the parent of this child will be set to the
    #   supplied value, and self will be added to the parent
    def initialize( parent = nil )
      @parent = nil
      # Declare @parent, but don't define it.  The next line sets the
      # parent.
      parent.add( self ) if parent
    end

# Replaces this object with another object.  Basically, calls
    # Parent.replace_child
    #
    # Returns:: self
    def replace_with( child )
      @parent.replace_child( self, child )
      self
    end

# Removes this child from the parent.
    #
    # Returns:: self
    def remove
      unless @parent.nil?
        @parent.delete self
      end
      self
    end

# Sets the parent of this child to the supplied argument.
    #
    # other::
    #   Must be a Parent object.  If this object is the same object as the
    #   existing parent of this child, no action is taken. Otherwise, this
    #   child is removed from the current parent (if one exists), and is added
    #   to the new parent.
    # Returns:: The parent added
    def parent=( other )
      return @parent if @parent == other
      @parent.delete self if defined? @parent and @parent
      @parent = other
    end

alias :next_sibling :next_sibling_node
    alias :previous_sibling :previous_sibling_node

# Sets the next sibling of this child.  This can be used to insert a child
    # after some other child.
    #  a = Element.new("a")
    #  b = a.add_element("b")
    #  c = Element.new("c")
    #  b.next_sibling = c
    #  # => <a><b/><c/></a>
    def next_sibling=( other )
      parent.insert_after self, other
    end

# Sets the previous sibling of this child.  This can be used to insert a
    # child before some other child.
    #  a = Element.new("a")
    #  b = a.add_element("b")
    #  c = Element.new("c")
    #  b.previous_sibling = c
    #  # => <a><b/><c/></a>
    def previous_sibling=(other)
      parent.insert_before self, other
    end

# Returns:: the document this child belongs to, or nil if this child
    # belongs to no document
    def document
      return parent.document unless parent.nil?
      nil
    end

# This doesn't yet handle encodings
    def bytes
      document.encoding

to_s
    end
  end
end

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