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def QuickPath::filter elements, path
return elements if path.nil? or path == '' or elements.size == 0
case path
when /^\/\//u # Descendant
return axe( elements, "descendant-or-self", $' )
when /^\/?\b(\w[-\w]*)\b::/u # Axe
axe_name = $1
rest = $'
return axe( elements, $1, $' )
when /^\/(?=\b([:!\w][-\.\w]*:)?[-!\*\.\w]*\b([^:(]|$)|\*)/u # Child
rest = $'
results = []
elements.each do |element|
results |= filter( element.to_a, rest )
end
return results
when /^\/?(\w[-\w]*)\(/u # / Function
return function( elements, $1, $' )
when Namespace::NAMESPLIT # Element name
name = $2
ns = $1
rest = $'
elements.delete_if do |element|
!(element.kind_of? Element and
(element.expanded_name == name or
(element.name == name and
element.namespace == Functions.namespace_context[ns])))
end
return filter( elements, rest )
when /^\/\[/u
matches = []
elements.each do |element|
matches |= predicate( element.to_a, path[1..-1] ) if element.kind_of? Element
end
return matches
when /^\[/u # Predicate
return predicate( elements, path )
when /^\/?\.\.\./u # Ancestor
return axe( elements, "ancestor", $' )
when /^\/?\.\./u # Parent
return filter( elements.collect{|e|e.parent}, $' )
when /^\/?\./u # Self
return filter( elements, $' )
when /^\*/u # Any
results = []
elements.each do |element|
results |= filter( [element], $' ) if element.kind_of? Element
#if element.kind_of? Element
# children = element.to_a
# children.delete_if { |child| !child.kind_of?(Element) }
# results |= filter( children, $' )
#end
end
return results
end
return []
end
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