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Name	Size	Permission
dtd	[ DIR ]	drwxr-xr-x
formatters	[ DIR ]	drwxr-xr-x
light	[ DIR ]	drwxr-xr-x
parsers	[ DIR ]	drwxr-xr-x
validation	[ DIR ]	drwxr-xr-x
attlistdecl.rb	1.92 KB	-rw-r--r--
attribute.rb	5.97 KB	-rw-r--r--
cdata.rb	1.59 KB	-rw-r--r--
child.rb	2.66 KB	-rw-r--r--
comment.rb	2.12 KB	-rw-r--r--
doctype.rb	7.97 KB	-rw-r--r--
document.rb	9.55 KB	-rw-r--r--
element.rb	44 KB	-rw-r--r--
encoding.rb	1.16 KB	-rw-r--r--
entity.rb	5.4 KB	-rw-r--r--
functions.rb	12.27 KB	-rw-r--r--
instruction.rb	2.14 KB	-rw-r--r--
namespace.rb	1.4 KB	-rw-r--r--
node.rb	2.18 KB	-rw-r--r--
output.rb	553 B	-rw-r--r--
parent.rb	4.27 KB	-rw-r--r--
parseexception.rb	1.25 KB	-rw-r--r--
quickpath.rb	9.12 KB	-rw-r--r--
rexml.rb	1.29 KB	-rw-r--r--
sax2listener.rb	3.61 KB	-rw-r--r--
security.rb	824 B	-rw-r--r--
source.rb	6.75 KB	-rw-r--r--
streamlistener.rb	3.84 KB	-rw-r--r--
text.rb	14.57 KB	-rw-r--r--
undefinednamespaceexception.rb	244 B	-rw-r--r--
xmldecl.rb	2.95 KB	-rw-r--r--
xmltokens.rb	2.32 KB	-rw-r--r--
xpath.rb	3.42 KB	-rw-r--r--
xpath_parser.rb	29.63 KB	-rw-r--r--

Code Editor : child.rb

# frozen_string_literal: false
require_relative "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

${this.title}

Code Editor : child.rb