io.parsingdata.metal.expression.value.reference

Class Len

java.lang.Object

io.parsingdata.metal.expression.value.UnaryValueExpression

io.parsingdata.metal.expression.value.reference.Len

All Implemented Interfaces:

ValueExpression

public class Len
extends UnaryValueExpression

A UnaryValueExpression that represents the sizes (in bytes) of all OptionalValues returned by evaluating its operand.

Field Summary

Fields inherited from class io.parsingdata.metal.expression.value.UnaryValueExpression

operand

Constructor Summary

Constructors

Constructor and Description
Len(ValueExpression operand)

Method Summary

Modifier and Type	Method and Description
OptionalValue	eval(Value value, Environment environment, Encoding encoding)

Methods inherited from class io.parsingdata.metal.expression.value.UnaryValueExpression

eval, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Len

public Len(ValueExpression operand)

Method Detail

eval

public OptionalValue eval(Value value,
                          Environment environment,
                          Encoding encoding)

Specified by:

eval in class UnaryValueExpression