xtc.parser
Class NullLiteral

java.lang.Object
  xtc.tree.Node
      xtc.parser.Element
          xtc.parser.Literal
              xtc.parser.NullLiteral

All Implemented Interfaces:

java.lang.Iterable<java.lang.Object>, Locatable

public class NullLiteral
extends Literal

A null literal representing a bindable null value.

Version:

$Revision: 1.2 $

Author:

Robert Grimm

Nested Class Summary

Nested classes/interfaces inherited from class xtc.parser.Element

Element.Tag

Constructor Summary

NullLiteral()
Create a new null literal.

Method Summary

boolean	equals(java.lang.Object o)
int	hashCode()
Element.Tag	tag() Get this element's tag.
java.lang.String	toString() Return a human readable representation of this node.
void	write(java.lang.Appendable out) Write a human readable representation to the specified appendable.

Methods inherited from class xtc.tree.Node

add, add, addAll, addAll, addAll, addAll, addAllTo, addNode, contains, get, getBoolean, getBooleanProperty, getGeneric, getList, getLocation, getName, getNode, getProperty, getString, getStringProperty, getTokenText, hasLocation, hasName, hasProperty, hasTraversal, hasVariable, indexOf, isAnnotation, isEmpty, isGeneric, isList, isToken, iterator, lastIndexOf, properties, remove, removeProperty, set, setLocation, setLocation, setProperty, size, strip, toAnnotation, toList, toToken

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

NullLiteral

public NullLiteral()

Create a new null literal.

Method Detail

tag

public Element.Tag tag()

Description copied from class: Element

Get this element's tag.

Specified by:

tag in class Element

Returns:

The tag.

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

write

public void write(java.lang.Appendable out)
           throws java.io.IOException

Description copied from class: Node

Write a human readable representation to the specified appendable. If this node supports generic traversal, the default implementation writes this node in algebraic term-format; otherwise, it writes the string returned by Object.toString().

Overrides:

write in class Node

Parameters:

out - The appendable.

Throws:

java.io.IOException - Signals an I/O error.

toString

public java.lang.String toString()

Description copied from class: Node

Return a human readable representation of this node. The default implementation creates a new string builder, writes this node to the builder, and then returns the corresponding string. Subclasses should typically override Node.write(Appendable).

Overrides:

toString in class Node

Returns:

A human readable representation.