Class: REXML::Parent

Constructor @param parent if supplied, will be set as the parent of this object

# File rexml/parent.rb, line 12
    def initialize parent=nil
      super(parent)
      @children = []
    end

<<( object )

Alias for push

[]( index )

Fetches a child at a given index @param index the Integer index of the child to fetch

[Source]

# File rexml/parent.rb, line 57
    def []( index )
      @children[index]
    end

[]=( *args )

Set an index entry. See Array.[]= @param index the index of the element to set @param opt either the object to set, or an Integer length @param child if opt is an Integer, this is the child to set @return the parent (self)

[Source]

# File rexml/parent.rb, line 70
    def []=( *args )
      args[-1].parent = self
      @children[*args[0..-2]] = args[-1]
    end

add( object )

[Source]

# File rexml/parent.rb, line 17
    def add( object )
      #puts "PARENT GOTS #{size} CHILDREN"
      object.parent = self
      @children << object
      #puts "PARENT NOW GOTS #{size} CHILDREN"
      object
    end

children()

Alias for to_a

deep_clone()

Deeply clones this object. This creates a complete duplicate of this Parent, including all descendants.

[Source]

# File rexml/parent.rb, line 148
    def deep_clone
      cl = clone()
      each do |child|
        if child.kind_of? Parent
          cl << child.deep_clone
        else
          cl << child.clone
        end
      end
      cl
    end

delete( object )

[Source]

# File rexml/parent.rb, line 33
    def delete( object )
      found = false
      @children.delete_if {|c| c.equal?(object) and found = true }
      object.parent = nil if found
    end

delete_at( index )

[Source]

# File rexml/parent.rb, line 47
    def delete_at( index )
      @children.delete_at index
    end

delete_if( &block )

[Source]

# File rexml/parent.rb, line 43
    def delete_if( &block )
      @children.delete_if(&block)
    end

each(&block)

[Source]

# File rexml/parent.rb, line 39
    def each(&block)
      @children.each(&block)
    end

each_child(&block)

Alias for each

each_index( &block )

[Source]

# File rexml/parent.rb, line 51
    def each_index( &block )
      @children.each_index(&block)
    end

index( child )

Fetches the index of a given child @param child the child to get the index of @return the index of the child, or nil if the object is not a child of this parent.

[Source]

# File rexml/parent.rb, line 123
    def index( child )
      count = -1
      @children.find { |i| count += 1 ; i.hash == child.hash }
      count
    end

insert_after( child1, child2 )

Inserts an child after another child @param child1 this is either an xpath or an Element. If an Element, child2 will be inserted after child1 in the child list of the parent. If an xpath, child2 will be inserted after the first child to match the xpath. @param child2 the child to insert @return the parent (self)

[Source]

# File rexml/parent.rb, line 102
    def insert_after( child1, child2 )
      if child1.kind_of? String
        child1 = XPath.first( self, child1 )
        child1.parent.insert_after child1, child2
      else
        ind = index(child1)+1
        child2.parent.delete(child2) if child2.parent
        @children[ind,0] = child2
        child2.parent = self
      end
      self
    end

insert_before( child1, child2 )

Inserts an child before another child @param child1 this is either an xpath or an Element. If an Element, child2 will be inserted before child1 in the child list of the parent. If an xpath, child2 will be inserted before the first child to match the xpath. @param child2 the child to insert @return the parent (self)

[Source]

# File rexml/parent.rb, line 82
    def insert_before( child1, child2 )
      if child1.kind_of? String
        child1 = XPath.first( self, child1 )
        child1.parent.insert_before child1, child2
      else
        ind = index(child1)
        child2.parent.delete(child2) if child2.parent
        @children[ind,0] = child2
        child2.parent = self
      end
      self
    end

length()

Alias for size

parent?()

[Source]

# File rexml/parent.rb, line 162
    def parent?
      true
    end

push( object )

Alias for add

replace_child( to_replace, replacement )

Replaces one child with another, making sure the nodelist is correct @param to_replace the child to replace (must be a Child) @param replacement the child to insert into the nodelist (must be a Child)

[Source]

# File rexml/parent.rb, line 140
    def replace_child( to_replace, replacement )
      @children.map! {|c| c.equal?( to_replace ) ? replacement : c }
      to_replace.parent = nil
      replacement.parent = self
    end

size()

@return the number of children of this parent

[Source]

# File rexml/parent.rb, line 130
    def size
      @children.size
    end

to_a()

[Source]

# File rexml/parent.rb, line 115
    def to_a
      @children.dup
    end

unshift( object )

[Source]

# File rexml/parent.rb, line 28
    def unshift( object )
      object.parent = self
      @children.unshift object
    end

Methods

Included Modules

Public Class methods

Public Instance methods