# # YAML::YPath # warn "#{caller[0]}: YAML::YPath is deprecated" if $VERBOSE module Syck class YPath attr_accessor :segments, :predicates, :flags def initialize( str ) @segments = [] @predicates = [] @flags = nil while str =~ /^\/?(\/|[^\/\[]+)(?:\[([^\]]+)\])?/ @segments.push $1 @predicates.push $2 str = $' end unless str.to_s.empty? @segments += str.split( "/" ) end if @segments.length == 0 @segments.push "." end end def self.each_path( str ) # # Find choices # paths = [] str = "(#{ str })" while str.sub!( /\(([^()]+)\)/, "\n#{ paths.length }\n" ) paths.push $1.split( '|' ) end # # Construct all possible paths # all = [ str ] ( paths.length - 1 ).downto( 0 ) do |i| all = all.collect do |a| paths[i].collect do |p| a.gsub( /\n#{ i }\n/, p ) end end.flatten.uniq end all.collect do |path| yield YPath.new( path ) end end end end