# File src/rexml/parsers/xpathparser.rb, line 66 def predicate_to_string( path ) string = "" case path[0] when :and, :or, :mult, :plus, :minus, :neq, :eq, :lt, :gt, :lteq, :gteq, :div, :mod, :neq, :union op = path.shift left = predicate_to_string( path.shift ) right = predicate_to_string( path.shift ) string << " " string << left string << " " string << op.to_s string << " " string << right string << " " when :function path.shift name = path.shift string << name string << "( " string << predicate_to_string( path.shift ) string << " )" when :literal path.shift string << " " string << path.shift.inspect string << " " else string << " " string << to_string( path ) string << " " end return string.squeeze(" ") end