require "rexml/parseexception"
require "rexml/formatters/pretty"
require "rexml/formatters/default"
module REXML
module Node
def next_sibling_node
return nil if @parent.nil?
@parent[ @parent.index(self) + 1 ]
end
def previous_sibling_node
return nil if @parent.nil?
ind = @parent.index(self)
return nil if ind == 0
@parent[ ind - 1 ]
end
def to_s indent=nil
unless indent.nil?
Kernel.warn( "#{self.class.name}.to_s(indent) parameter is deprecated" )
f = REXML::Formatters::Pretty.new( indent )
f.write( self, rv = "" )
else
f = REXML::Formatters::Default.new
f.write( self, rv = "" )
end
return rv
end
def indent to, ind
if @parent and @parent.context and not @parent.context[:indentstyle].nil? then
indentstyle = @parent.context[:indentstyle]
else
indentstyle = ' '
end
to << indentstyle*ind unless ind<1
end
def parent?
false;
end
def each_recursive(&block) self.elements.each {|node|
block.call(node)
node.each_recursive(&block)
}
end
def find_first_recursive(&block) each_recursive {|node|
return node if block.call(node)
}
return nil
end
def index_in_parent
parent.index(self)+1
end
end
end