instiki/vendor/plugins/HTML5lib/lib/html5lib/treewalkers/simpletree.rb

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require 'html5lib/treewalkers/base'
module HTML5lib
module TreeWalkers
module SimpleTree
class TreeWalker < HTML5lib::TreeWalkers::Base
include HTML5lib::TreeBuilders::SimpleTree
def walk(node)
case node
when Document, DocumentFragment
return
when DocumentType
yield doctype(node.name)
when TextNode
text(node.value) {|token| yield token}
when Element
if VOID_ELEMENTS.include?(node.name)
yield emptyTag(node.name, node.attributes, node.hasContent())
else
yield startTag(node.name, node.attributes)
for child in node.childNodes
walk(child) {|token| yield token}
end
yield endTag(node.name)
end
when CommentNode
yield comment(node.value)
else
puts '?'
yield unknown(node.class)
end
end
def each
for child in @tree.childNodes
walk(child) {|node| yield node}
end
end
end
end
end
end