def QuickPath::match element, path, namespaces=EMPTY_HASH
raise "nil is not a valid xpath" unless path
results = nil
Functions::namespace_context = namespaces
case path
when /^\/([^\/]|$)/u
path = path[1..-1]
return [element.root.parent] if path == ''
results = filter([element.root], path)
when /^[-\w]*::/u
results = filter([element], path)
when /^\*/u
results = filter(element.to_a, path)
when /^[\[!\w:]/u
matches = []
children = element.to_a
results = filter(children, path)
else
results = filter([element], path)
end
return results
end