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com.trapezium.vrml.grammar
Class NodeStatementRule  

java.lang.Object
  com.trapezium.vrml.grammar.NodeStatementRule

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public class NodeStatementRule

extends java.lang.Object

Creates the scene graph component for a node This is the only part of the grammar other than the VRML97parser that is publicly accessible. This is necessary because SFNodeValue and MFNodeValue in the com.trapezium.vrml.fields package use an instance of this to create node scene graph components. Grammar handled by "Build" method:

   nodeStatement ::=
        node |
        DEF nodeNameId node |
        USE nodeNameId ;
  

The portion "DEF nodeNameId node" is handled by DEFRule.java The portion "USE nodeNameId" is handled by USERule.java

Since:

1.0

Version:

1.12, 24 April 1998, NodeRule parameter for autodef, 1.1, 12 Dec 1997

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Field Summary
(package private)  DEFRule	defRule
(package private)  NodeRule	nodeRule
(package private)  USERule	useRule

 

Constructor Summary

NodeStatementRule(NodeRule nodeRule)           Constructor

 

Method Summary
void	Build(int tokenOffset, com.trapezium.parse.TokenEnumerator v, com.trapezium.vrml.Scene scene, com.trapezium.vrml.VrmlElement parent)           Factory/Builder method for adding a node child to a parent element.

 

Methods inherited from class java.lang.Object

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

 

Field Detail

defRule

DEFRule defRule

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useRule

USERule useRule

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nodeRule

NodeRule nodeRule

Constructor Detail

NodeStatementRule

public NodeStatementRule(NodeRule nodeRule)

Constructor

Method Detail

Build

public void Build(int tokenOffset,
                  com.trapezium.parse.TokenEnumerator v,
                  com.trapezium.vrml.Scene scene,
                  com.trapezium.vrml.VrmlElement parent)

Factory/Builder method for adding a node child to a parent element. DEFed nodes have file scope, so register their names at the Scene level.

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