org.apache.velocity.runtime.parser.node
Class ASTSetDirective

java.lang.Object
  org.apache.velocity.runtime.parser.node.SimpleNode
      org.apache.velocity.runtime.parser.node.ASTSetDirective

All Implemented Interfaces:

Node

public class ASTSetDirective

extends SimpleNode

Node for the #set directive

Version:

$Id: ASTSetDirective.java,v 1.22.4.1 2004/03/03 23:22:59 geirm Exp $

Author:

Jason van Zyl, Geir Magnusson Jr.

Field Summary

(package private) boolean	blather
private ASTReference	left
private java.lang.String	leftReference
private Node	right

Fields inherited from class org.apache.velocity.runtime.parser.node.SimpleNode

children, first, id, info, invalid, last, parent, parser, rsvc, state

Constructor Summary

ASTSetDirective(int id)

ASTSetDirective(Parser p, int id)

Method Summary

private ASTReference	getLeftHandSide() returns the ASTReference that is the LHS of the set statememt
private Node	getRightHandSide() returns the RHS Node of the set statement
java.lang.Object	init(InternalContextAdapter context, java.lang.Object data) simple init.
java.lang.Object	jjtAccept(ParserVisitor visitor, java.lang.Object data) Accept the visitor.
boolean	render(InternalContextAdapter context, java.io.Writer writer) puts the value of the RHS into the context under the key of the LHS

Methods inherited from class org.apache.velocity.runtime.parser.node.SimpleNode

childrenAccept, dump, evaluate, execute, getColumn, getFirstToken, getInfo, getLastToken, getLine, getType, isInvalid, jjtAddChild, jjtClose, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtOpen, jjtSetParent, literal, setFirstToken, setInfo, setInvalid, toString, value

Methods inherited from class java.lang.Object

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

Field Detail

leftReference

private java.lang.String leftReference

right

private Node right

left

private ASTReference left

blather

boolean blather

Constructor Detail

ASTSetDirective

public ASTSetDirective(int id)

ASTSetDirective

public ASTSetDirective(Parser p,
                       int id)

Method Detail

jjtAccept

public java.lang.Object jjtAccept(ParserVisitor visitor,
                                  java.lang.Object data)

Accept the visitor.

Specified by:

jjtAccept in interface Node

Overrides:

jjtAccept in class SimpleNode

init

public java.lang.Object init(InternalContextAdapter context,
                             java.lang.Object data)
                      throws java.lang.Exception

simple init. We can get the RHS and LHS as the the tree structure is static

Specified by:

init in interface Node

Overrides:

init in class SimpleNode

Throws:

java.lang.Exception

render

public boolean render(InternalContextAdapter context,
                      java.io.Writer writer)
               throws java.io.IOException,
                      MethodInvocationException

puts the value of the RHS into the context under the key of the LHS

Specified by:

render in interface Node

Overrides:

render in class SimpleNode

Throws:

java.io.IOException

MethodInvocationException

getLeftHandSide

private ASTReference getLeftHandSide()

returns the ASTReference that is the LHS of the set statememt

getRightHandSide

private Node getRightHandSide()

returns the RHS Node of the set statement