class JMESPath::Nodes::MaxFunction
Public Instance Methods
call(args)
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# File lib/jmespath/nodes/function.rb, line 230 def call(args) if args.count == 1 values = args.first else return maybe_raise Errors::InvalidArityError, 'function max() expects one argument' end if values.respond_to?(:to_ary) values = values.to_ary return nil if values.empty? first = values.first first_type = get_type(first) unless first_type == NUMBER_TYPE || first_type == STRING_TYPE msg = String.new('function max() expects numeric or string values') return maybe_raise Errors::InvalidTypeError, msg end values.inject([first, first_type]) do |(max, max_type), v| v_type = get_type(v) if max_type == v_type v > max ? [v, v_type] : [max, max_type] else msg = String.new('function max() encountered a type mismatch in sequence: ') msg << "#{max_type}, #{v_type}" return maybe_raise Errors::InvalidTypeError, msg end end.first else return maybe_raise Errors::InvalidTypeError, 'function max() expects an array' end end