XPathFuncExpr class final

A function call such as concat(a, 'b').

Inheritance

• Object
• XPathExpression
• XPathFuncExpr

Constructors

XPathFuncExpr(XPathQName id, List<XPathExpression> args)

Creates a call to id with args.

Properties

args → List<XPathExpression>

The arguments, in order.

final

hashCode → int

Hash of toString, as in JavaRosa.

no setter, inherited

id → XPathQName

The function name.

final

isIdempotent → bool

Whether evaluating this expression twice in the same form state always gives the same result (used to cache predicate results).

no setter, override

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

containsFunc(String name) → bool

Whether this expression calls the function named name anywhere.

override

eval(DataInstance? model, EvaluationContext context) → Object

Evaluates against model (usually the context's main instance) in context. The result is a bool, double, String, DateTime, XPathNodeset or a value returned by a custom function.

override

evalIn(EvaluationContext context) → Object

Evaluates against context's main instance.

inherited

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

pivot(DataInstance? model, EvaluationContext context, List<Object> pivots, Object sentinel) → Object?

Only string-length passes the node through (as an identity); any other function of the node is unpivotable.

override

toString() → String

A string representation of this object.

override

Operators

operator ==(Object other) → bool

Structural equality, matching JavaRosa's equals.

inherited