Class: JMESPath::Nodes::MaxFunction Private
- Includes:
- TypeChecker
- Defined in:
- lib/jmespath/nodes/function.rb
This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.
Constant Summary
Constants included from TypeChecker
TypeChecker::ARRAY_TYPE, TypeChecker::BOOLEAN_TYPE, TypeChecker::EXPRESSION_TYPE, TypeChecker::NULL_TYPE, TypeChecker::NUMBER_TYPE, TypeChecker::OBJECT_TYPE, TypeChecker::STRING_TYPE, TypeChecker::TYPE_NAMES
Constants inherited from Function
Instance Method Summary collapse
- #call(args) ⇒ Object private
Methods included from TypeChecker
Methods inherited from Function
create, #initialize, #optimize, #visit
Methods inherited from Node
#chains_with?, #hash_like?, #optimize, #visit
Constructor Details
This class inherits a constructor from JMESPath::Nodes::Function
Instance Method Details
#call(args) ⇒ Object
This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.
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# File 'lib/jmespath/nodes/function.rb', line 188 def call(args) if args.count == 1 values = args.first else raise Errors::InvalidArityError, "function max() expects one argument" end if Array === values return nil if values.empty? first = values.first first_type = get_type(first) unless first_type == NUMBER_TYPE || first_type == STRING_TYPE msg = "function max() expects numeric or string values" 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 = "function max() encountered a type mismatch in sequence: " msg << "#{max_type}, #{v_type}" raise Errors::InvalidTypeError, msg end end.first else raise Errors::InvalidTypeError, "function max() expects an array" end end |