require 'html5/treewalkers/base'
module HTML5
module TreeWalkers
class << self
def [](name)
case name.to_s.downcase
when 'simpletree' then
require 'html5/treewalkers/simpletree'
SimpleTree::TreeWalker
when 'rexml' then
require 'html5/treewalkers/rexml'
REXML::TreeWalker
when 'hpricot' then
require 'html5/treewalkers/hpricot'
Hpricot::TreeWalker
else
raise "Unknown TreeWalker #{name}"
end
end
alias :getTreeWalker :[]
end
end
end