Package jjparse.description

Class Negation

java.lang.Object

jjparse.description.Description

jjparse.description.Negation

public final class Negation
extends Description

A Description for Parsing.Parsers that negate another Parsing.Parser's expectation.

Author:

Björn Lötters

See Also:

• Description
• Parsing.Parser.description()
• Parsing.Parser.not()

Field Summary

Fields

Modifier and Type	Field	Description
final Description	description	The Description which should be negated.

Constructor Summary

Constructors

Constructor	Description
Negation(Description description)	Constructs a new Negation Description.

Method Summary

Modifier and Type	Method	Description
Optional<String>	describe()	Produces a String that explains what a corresponding Parsing.Parser would expect according to this Description.

Methods inherited from class jjparse.description.Description

and, negate, normalize, or

Methods inherited from class java.lang.Object

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

Field Details

description

public final Description description

The Description which should be negated.

Constructor Details

Negation

public Negation(Description description)

Constructs a new Negation Description.

Parameters:

description - The Description which should be negated.

Method Details

describe

public Optional<String> describe()

Description copied from class: Description

Produces a String that explains what a corresponding Parsing.Parser would expect according to this Description.

Specified by:

describe in class Description

Returns:

An Optional String where Optional.empty() is returned in case this Description is Empty.