Package org.petitparser.parser.combinators

Class NotParser

java.lang.Object

org.petitparser.parser.Parser

org.petitparser.parser.combinators.DelegateParser

org.petitparser.parser.combinators.NotParser

public class NotParser
extends DelegateParser

The not-predicate, a parser that succeeds whenever its delegate does not, but consumes no input [Parr 1994, 1995].

Field Summary

Fields

Modifier and Type	Field	Description
protected String	message

Fields inherited from class org.petitparser.parser.combinators.DelegateParser

delegate

Constructor Summary

Constructors

Constructor	Description
NotParser(Parser delegate, String message)

Method Summary

Modifier and Type	Method	Description
NotParser	copy()	Returns a shallow copy of the receiver.
protected boolean	hasEqualProperties(Parser other)	Compares the properties of two parsers.
Result	parseOn(Context context)	Primitive method doing the actual parsing.
String	toString()	Returns a human readable string identifying this parser.

Methods inherited from class org.petitparser.parser.combinators.DelegateParser

getChildren, replace

Methods inherited from class java.lang.Object

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

Methods inherited from class org.petitparser.parser.Parser

accept, and, callCC, delimitedBy, end, end, flatten, hasEqualChildren, isEqualTo, isEqualTo, map, matches, matchesSkipping, neg, neg, not, not, optional, optional, or, parse, permute, pick, plus, plusGreedy, plusLazy, repeat, repeatGreedy, repeatLazy, separatedBy, seq, settable, star, starGreedy, starLazy, times, token, trim, trim, trim

Field Detail

message

protected final String message

Constructor Detail

NotParser

public NotParser(Parser delegate,
                 String message)

Method Detail

parseOn

public Result parseOn(Context context)

Description copied from class: Parser

Primitive method doing the actual parsing.

Overrides:

parseOn in class DelegateParser

hasEqualProperties

protected boolean hasEqualProperties(Parser other)

Description copied from class: Parser

Compares the properties of two parsers. Override this method in all subclasses that add new state.

Overrides:

hasEqualProperties in class Parser

copy

public NotParser copy()

Description copied from class: Parser

Returns a shallow copy of the receiver.

Overrides:

copy in class DelegateParser

toString

public String toString()

Description copied from class: Parser

Returns a human readable string identifying this parser.

Overrides:

toString in class Parser