Class: REXML::Child

Inherits:

Object

• Object
• REXML::Child

show all

Includes:

Node

Defined in:

lib/rexml/child.rb

Overview

Instance Attribute Summary (collapse)

• - (Object) parent

  The Parent of this object.

Instance Method Summary (collapse)

• - (Object) bytes

  This doesn't yet handle encodings.

• - (Object) document

  Returns

  the document this child belongs to, or nil if this child

  belongs to no document.

• - (Child) initialize(parent = nil) constructor

  Constructor.

• - (Object) next_sibling=(other)

  Sets the next sibling of this child.

• - (Object) previous_sibling=(other)

  Sets the previous sibling of this child.

• - (Object) remove

  Removes this child from the parent.

• - (Object) replace_with(child)

  Replaces this object with another object.

Methods included from Node

#each_recursive, #find_first_recursive, #indent, #index_in_parent, #next_sibling_node, #parent?, #previous_sibling_node, #to_s

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# File 'lib/rexml/child.rb', line 17

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

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# File 'lib/rexml/child.rb', line 10

def parent
  @parent
end

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# File 'lib/rexml/child.rb', line 90

def bytes
  encoding = document.encoding

  to_s
end

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# File 'lib/rexml/child.rb', line 84

def document
  return parent.document unless parent.nil?
  nil
end

a = Element.new("a")
b = a.add_element("b")
c = Element.new("c")
b.next_sibling = c
# => <a><b/><c/></a>

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# File 'lib/rexml/child.rb', line 67

def next_sibling=( other )
  parent.insert_after self, other
end

a = Element.new("a")
b = a.add_element("b")
c = Element.new("c")
b.previous_sibling = c
# => <a><b/><c/></a>

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# File 'lib/rexml/child.rb', line 78

def previous_sibling=(other)
  parent.insert_before self, other
end

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# File 'lib/rexml/child.rb', line 36

def remove
  unless @parent.nil?
    @parent.delete self
  end
  self
end

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# File 'lib/rexml/child.rb', line 28

def replace_with( child )
  @parent.replace_child( self, child )
  self
end