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com.trapezium.vrml.grammar
Class PROTONodeRule  

java.lang.Object
  com.trapezium.vrml.grammar.BuiltInNodeRule
      com.trapezium.vrml.grammar.PROTONodeRule

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class PROTONodeRule

extends BuiltInNodeRule

Creates the scene graph component for a PROTO instance. Grammar handled by "Build" method:

    protoNodeTypeId { nodeGuts }
  

Note: the PROTOInstance "copyBaseNodeInfo" method does not copy all nodes in the PROTO declaration body, and substitute values as indicated by IS. When this is done, PROTO checking can be done for PROTO interface fields passed through IS.

Since:

1.0

Version:

1.12, 24 April 1998, added autoDEF, 1.12, 6 Mar 1998, added Table 7 limits, 1.1, 6 Jan 1998

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Field Summary
(package private)  DEFNameFactory	defNameFactory
(package private)  NodeBodyRule	nodeBodyRule

 

Constructor Summary
(package private)	PROTONodeRule(NodeRule nodeRule)           class constructor

 

Method Summary
(package private)  void	Build(java.lang.String nodeType, int tokenOffset, com.trapezium.parse.TokenEnumerator v, com.trapezium.vrml.Scene scene, com.trapezium.vrml.VrmlElement parent)           Create a PROTO instance and add it to the scene graph.
(package private)  void	BuildNodeGuts(com.trapezium.vrml.node.Node node, int tokenOffset, com.trapezium.parse.TokenEnumerator v, com.trapezium.vrml.Scene scene)           Create node body, and add to node.
(package private)  void	setDEFNameFactory(DEFNameFactory defNameFactory)           Set DEFNameFactory, used when scene factory overrides parser factory

 

Methods inherited from class java.lang.Object

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

 

Field Detail

defNameFactory

DEFNameFactory defNameFactory

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nodeBodyRule

NodeBodyRule nodeBodyRule

Constructor Detail

PROTONodeRule

PROTONodeRule(NodeRule nodeRule)

class constructor

Method Detail

setDEFNameFactory

void setDEFNameFactory(DEFNameFactory defNameFactory)

Set DEFNameFactory, used when scene factory overrides parser factory

Overrides:

setDEFNameFactory in class BuiltInNodeRule

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Build

void Build(java.lang.String nodeType,
           int tokenOffset,
           com.trapezium.parse.TokenEnumerator v,
           com.trapezium.vrml.Scene scene,
           com.trapezium.vrml.VrmlElement parent)

Create a PROTO instance and add it to the scene graph.

Overrides:

Build in class BuiltInNodeRule

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BuildNodeGuts

void BuildNodeGuts(com.trapezium.vrml.node.Node node,
                   int tokenOffset,
                   com.trapezium.parse.TokenEnumerator v,
                   com.trapezium.vrml.Scene scene)

Create node body, and add to node.

Node body is assumed to be: "{ ..node body.. }"

If left brace is missing, record the error, then continue parsing as if it were there.

If right bracket encountered where right brace might be expected, report the error, keep token enumerator pointing to right bracket.

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