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com.trapezium.vrml.grammar
Class ScriptGutRule  

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

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public class ScriptGutRule

extends java.lang.Object

Creates the scene graph component for the internals of a Script node. This is much different than other built in nodes because Script nodes allow user defined interface (field) extensions. Grammar handled by "Build" method:

  scriptGut:
    nodeGut
    restrictedInterfaceDeclaration
    eventIn fieldType eventInId IS eventInId
    eventOut fieldType eventOutId IS eventOutId
    field fieldType fieldId IS fieldId
  

Since:

1.0

Version:

1.12, 9 April 1998, made public, 1.1, 19 Jan 1998

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Field Summary
(package private)  FieldFactory	fieldFactory
(package private)  NodeBodyRule	nodeBodyRule
(package private)  PROTORule	protoRule
(package private)  RestrictedInterfaceDeclarationRule	restrictedInterfaceDeclarationRule
(package private)  ROUTERule	routeRule

 

Constructor Summary

ScriptGutRule(NodeRule nodeRule)           Constructor for grammar rule that creates a Script field

 

Method Summary
(package private)  void	addScriptFunctions(com.trapezium.vrml.node.Node parent, int firstTokenOffset, com.trapezium.parse.TokenEnumerator v)           add Javascript functions direcly from token stream.
void	Build(int tokenOffset, com.trapezium.parse.TokenEnumerator v, com.trapezium.vrml.Scene scene, com.trapezium.vrml.node.Node parent, com.trapezium.vrml.node.PROTO protoParent)           Build onto a Node by adding on individual NodeGuts
(package private)  boolean	javascript(int tokenOffset, com.trapezium.parse.TokenEnumerator v)

 

Methods inherited from class java.lang.Object

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

 

Field Detail

protoRule

PROTORule protoRule

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routeRule

ROUTERule routeRule

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restrictedInterfaceDeclarationRule

RestrictedInterfaceDeclarationRule restrictedInterfaceDeclarationRule

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fieldFactory

FieldFactory fieldFactory

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nodeBodyRule

NodeBodyRule nodeBodyRule

Constructor Detail

ScriptGutRule

public ScriptGutRule(NodeRule nodeRule)

Constructor for grammar rule that creates a Script field

Method Detail

Build

public void Build(int tokenOffset,
                  com.trapezium.parse.TokenEnumerator v,
                  com.trapezium.vrml.Scene scene,
                  com.trapezium.vrml.node.Node parent,
                  com.trapezium.vrml.node.PROTO protoParent)

Build onto a Node by adding on individual NodeGuts

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javascript

boolean javascript(int tokenOffset,
                   com.trapezium.parse.TokenEnumerator v)

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addScriptFunctions

void addScriptFunctions(com.trapezium.vrml.node.Node parent,
                        int firstTokenOffset,
                        com.trapezium.parse.TokenEnumerator v)

add Javascript functions direcly from token stream. This is used when the Javascript is embedded directly in the VRML file as part of the url string, using the "javascript: ..." format. The tokens are examined one by noe until a token is found that is not part of a quoted string. As tokens are examined, any functions fuond are added to the parent node.

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