YAML::YPath ^(Class)

# File yaml/ypath.rb, line 25
        def YPath.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

# File yaml/ypath.rb, line 9
        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