def QuickPath::axe( elements, axe_name, rest )
matches = []
matches = filter( elements.dup, rest ) if axe_name =~ /-or-self$/u
case axe_name
when /^descendant/u
elements.each do |element|
matches |= filter( element.to_a, "descendant-or-self::#{rest}" ) if element.kind_of? Element
end
when /^ancestor/u
elements.each do |element|
while element.parent
matches << element.parent
element = element.parent
end
end
matches = filter( matches, rest )
when "self"
matches = filter( elements, rest )
when "child"
elements.each do |element|
matches |= filter( element.to_a, rest ) if element.kind_of? Element
end
when "attribute"
elements.each do |element|
matches << element.attributes[ rest ] if element.kind_of? Element
end
when "parent"
matches = filter(elements.collect{|element| element.parent}.uniq, rest)
when "following-sibling"
matches = filter(elements.collect{|element| element.next_sibling}.uniq,
rest)
when "previous-sibling"
matches = filter(elements.collect{|element|
element.previous_sibling}.uniq, rest )
end
return matches.uniq
end