dk.brics.string.stringoperations
Class UnaryOperation

java.lang.Object
  dk.brics.string.stringoperations.Operation
      dk.brics.string.stringoperations.UnaryOperation

Direct Known Subclasses:

AssertEmpty, AssertHasLength, AssertHasNotLength, AssertInLanguage, AssertNotEmpty, BooleanToString, CharAt1, CharAt2, Delete, DeleteCharAt, Postfix, Prefix, Replace1, Replace2, Replace3, Replace4, Replace6, Reverse, SetCharAt1, SetCharAt2, SetLength, Split, Substring, ToLowerCase, ToUpperCase, Trim

public abstract class UnaryOperation
extends Operation

Abstract superclass for unary operations.

Constructor Summary

UnaryOperation()

Method Summary

abstract CharSet	charsetTransfer(CharSet a) Transfer function for character set analysis.
boolean	isAssertion() Returns whether this is an assertion.
abstract Automaton	op(Automaton a) Unary operation on automata.

Methods inherited from class dk.brics.string.stringoperations.Operation

getPriority, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

UnaryOperation

public UnaryOperation()

Method Detail

charsetTransfer

public abstract CharSet charsetTransfer(CharSet a)

Transfer function for character set analysis.

isAssertion

public boolean isAssertion()

Returns whether this is an assertion. Unary assertions must output a strict subset language of the input language.

op

public abstract Automaton op(Automaton a)

Unary operation on automata.

Parameters:

a - input automaton, should not be modified

Returns:

output automaton