org.extex.typesetter.type
Class AbstractNodeVisitor

java.lang.Object
  org.extex.typesetter.type.AbstractNodeVisitor

All Implemented Interfaces:

NodeVisitor

public abstract class AbstractNodeVisitor
extends java.lang.Object
implements NodeVisitor

This abstract class can be used as base for node visitors for which only a few methods carry any functionality.

Version:

$Revision: 4739 $

Author:

Gerd Neugebauer

Constructor Summary

AbstractNodeVisitor()

Method Summary

java.lang.Object	visitAdjust(AdjustNode node, java.lang.Object value) This method is called when an AdjustNode has been encountered.
java.lang.Object	visitAfterMath(AfterMathNode node, java.lang.Object value) This method is called when an AfterMathNode has been encountered.
java.lang.Object	visitAlignedLeaders(AlignedLeadersNode node, java.lang.Object value) This method is called when an AlignedLeadersNode has been encountered.
java.lang.Object	visitBeforeMath(BeforeMathNode node, java.lang.Object value) This method is called when a BeforeMathNode has been encountered.
java.lang.Object	visitCenteredLeaders(CenteredLeadersNode node, java.lang.Object value) This method is called when a CenteredLeadersNode has been encountered.
java.lang.Object	visitChar(CharNode node, java.lang.Object value) This method is called when a CharNode has been encountered.
java.lang.Object	visitDiscretionary(DiscretionaryNode node, java.lang.Object value) This method is called when a DiscretionaryNode has been encountered.
java.lang.Object	visitExpandedLeaders(ExpandedLeadersNode node, java.lang.Object value) This method is called when an ExpandedLeadersNode has been encountered.
java.lang.Object	visitGlue(GlueNode node, java.lang.Object value) This method is called when a GlueNode has been encountered.
java.lang.Object	visitHorizontalList(HorizontalListNode node, java.lang.Object value) This method is called when a HorizontalListNode has been encountered.
java.lang.Object	visitInsertion(InsertionNode node, java.lang.Object value) This method is called when an InsertionNode has been encountered.
java.lang.Object	visitKern(KernNode node, java.lang.Object value) This method is called when a KernNode has been encountered.
java.lang.Object	visitLigature(LigatureNode node, java.lang.Object value) This method is called when a LigatureNode has been encountered.
java.lang.Object	visitMark(MarkNode node, java.lang.Object value) This method is called when a MarkNode has been encountered.
java.lang.Object	visitPenalty(PenaltyNode node, java.lang.Object value) This method is called when a PenaltyNode has been encountered.
java.lang.Object	visitRule(RuleNode node, java.lang.Object value) This method is called when a RuleNode has been encountered.
java.lang.Object	visitSpace(SpaceNode node, java.lang.Object value) This method is called when a SpaceNode has been encountered.
java.lang.Object	visitVerticalList(VerticalListNode node, java.lang.Object value) This method is called when a VerticalListNode has been encountered.
java.lang.Object	visitWhatsIt(WhatsItNode node, java.lang.Object value) This method is called when a WhatsItNode has been encountered.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.extex.typesetter.type.NodeVisitor

visitVirtualChar

Constructor Detail

AbstractNodeVisitor

public AbstractNodeVisitor()

Method Detail

visitAdjust

public java.lang.Object visitAdjust(AdjustNode node,
                                    java.lang.Object value)
                             throws GeneralException

This method is called when an AdjustNode has been encountered.

Specified by:

visitAdjust in interface NodeVisitor

Parameters:

node - the first parameter for the visitor is the node visited

value - the second parameter for the visitor

Returns:

the visitor specific value

Throws:

GeneralException - in case of an error

See Also:

NodeVisitor.visitAdjust( org.extex.typesetter.type.node.AdjustNode, java.lang.Object)

visitAfterMath

public java.lang.Object visitAfterMath(AfterMathNode node,
                                       java.lang.Object value)
                                throws GeneralException

This method is called when an AfterMathNode has been encountered.

Specified by:

visitAfterMath in interface NodeVisitor

Parameters:

node - the first parameter for the visitor is the node visited

value - the second parameter for the visitor

Returns:

the visitor specific value

Throws:

GeneralException - in case of an error

See Also:

NodeVisitor.visitAfterMath( org.extex.typesetter.type.node.AfterMathNode, java.lang.Object)

visitAlignedLeaders

public java.lang.Object visitAlignedLeaders(AlignedLeadersNode node,
                                            java.lang.Object value)
                                     throws GeneralException

This method is called when an AlignedLeadersNode has been encountered.

Specified by:

visitAlignedLeaders in interface NodeVisitor

Parameters:

node - the first parameter for the visitor is the node visited

value - the second parameter for the visitor

Returns:

the visitor specific value

Throws:

GeneralException - in case of an error

See Also:

NodeVisitor.visitAlignedLeaders( org.extex.typesetter.type.node.AlignedLeadersNode, java.lang.Object)

visitBeforeMath

public java.lang.Object visitBeforeMath(BeforeMathNode node,
                                        java.lang.Object value)
                                 throws GeneralException

This method is called when a BeforeMathNode has been encountered.

Specified by:

visitBeforeMath in interface NodeVisitor

Parameters:

node - the first parameter for the visitor is the node visited

value - the second parameter for the visitor

Returns:

the visitor specific value

Throws:

GeneralException - in case of an error

See Also:

NodeVisitor.visitBeforeMath( org.extex.typesetter.type.node.BeforeMathNode, java.lang.Object)

visitCenteredLeaders

public java.lang.Object visitCenteredLeaders(CenteredLeadersNode node,
                                             java.lang.Object value)
                                      throws GeneralException

This method is called when a CenteredLeadersNode has been encountered.

Specified by:

visitCenteredLeaders in interface NodeVisitor

Parameters:

node - the first parameter for the visitor is the node visited

value - the second parameter for the visitor

Returns:

the visitor specific value

Throws:

GeneralException - in case of an error

See Also:

NodeVisitor.visitCenteredLeaders( org.extex.typesetter.type.node.CenteredLeadersNode, java.lang.Object)

visitChar

public java.lang.Object visitChar(CharNode node,
                                  java.lang.Object value)
                           throws GeneralException

This method is called when a CharNode has been encountered.

Specified by:

visitChar in interface NodeVisitor

Parameters:

node - the first parameter for the visitor is the node visited

value - the second parameter for the visitor

Returns:

the visitor specific value

Throws:

GeneralException - in case of an error

See Also:

NodeVisitor.visitChar( org.extex.typesetter.type.node.CharNode, java.lang.Object)

visitDiscretionary

public java.lang.Object visitDiscretionary(DiscretionaryNode node,
                                           java.lang.Object value)
                                    throws GeneralException

This method is called when a DiscretionaryNode has been encountered.

Specified by:

visitDiscretionary in interface NodeVisitor

Parameters:

node - the first parameter for the visitor is the node visited

value - the second parameter for the visitor

Returns:

the visitor specific value

Throws:

GeneralException - in case of an error

See Also:

NodeVisitor.visitDiscretionary( org.extex.typesetter.type.node.DiscretionaryNode, java.lang.Object)

visitExpandedLeaders

public java.lang.Object visitExpandedLeaders(ExpandedLeadersNode node,
                                             java.lang.Object value)
                                      throws GeneralException

This method is called when an ExpandedLeadersNode has been encountered.

Specified by:

visitExpandedLeaders in interface NodeVisitor

Parameters:

node - the first parameter for the visitor is the node visited

value - the second parameter for the visitor

Returns:

the visitor specific value

Throws:

GeneralException - in case of an error

See Also:

NodeVisitor.visitExpandedLeaders( org.extex.typesetter.type.node.ExpandedLeadersNode, java.lang.Object)

visitGlue

public java.lang.Object visitGlue(GlueNode node,
                                  java.lang.Object value)
                           throws GeneralException

This method is called when a GlueNode has been encountered.

Specified by:

visitGlue in interface NodeVisitor

Parameters:

node - the first parameter for the visitor is the node visited

value - the second parameter for the visitor

Returns:

the visitor specific value

Throws:

GeneralException - in case of an error

See Also:

NodeVisitor.visitGlue( org.extex.typesetter.type.node.GlueNode, java.lang.Object)

visitHorizontalList

public java.lang.Object visitHorizontalList(HorizontalListNode node,
                                            java.lang.Object value)
                                     throws GeneralException

This method is called when a HorizontalListNode has been encountered.

Specified by:

visitHorizontalList in interface NodeVisitor

Parameters:

node - the first parameter for the visitor is the node visited

value - the second parameter for the visitor

Returns:

the visitor specific value

Throws:

GeneralException - in case of an error

See Also:

NodeVisitor.visitHorizontalList( org.extex.typesetter.type.node.HorizontalListNode, java.lang.Object)

visitInsertion

public java.lang.Object visitInsertion(InsertionNode node,
                                       java.lang.Object value)
                                throws GeneralException

This method is called when an InsertionNode has been encountered.

Specified by:

visitInsertion in interface NodeVisitor

Parameters:

node - the first parameter for the visitor is the node visited

value - the second parameter for the visitor

Returns:

the visitor specific value

Throws:

GeneralException - in case of an error

See Also:

NodeVisitor.visitInsertion( org.extex.typesetter.type.node.InsertionNode, java.lang.Object)

visitKern

public java.lang.Object visitKern(KernNode node,
                                  java.lang.Object value)
                           throws GeneralException

This method is called when a KernNode has been encountered.

Specified by:

visitKern in interface NodeVisitor

Parameters:

node - the first parameter for the visitor is the node visited

value - the second parameter for the visitor

Returns:

the visitor specific value

Throws:

GeneralException - in case of an error

See Also:

NodeVisitor.visitKern( org.extex.typesetter.type.node.KernNode, java.lang.Object)

visitLigature

public java.lang.Object visitLigature(LigatureNode node,
                                      java.lang.Object value)
                               throws GeneralException

This method is called when a LigatureNode has been encountered.

Specified by:

visitLigature in interface NodeVisitor

Parameters:

node - the first parameter for the visitor is the node visited

value - the second parameter for the visitor

Returns:

the visitor specific value

Throws:

GeneralException - in case of an error

See Also:

NodeVisitor.visitLigature( org.extex.typesetter.type.node.LigatureNode, java.lang.Object)

visitMark

public java.lang.Object visitMark(MarkNode node,
                                  java.lang.Object value)
                           throws GeneralException

This method is called when a MarkNode has been encountered.

Specified by:

visitMark in interface NodeVisitor

Parameters:

node - the first parameter for the visitor is the node visited

value - the second parameter for the visitor

Returns:

the visitor specific value

Throws:

GeneralException - in case of an error

See Also:

NodeVisitor.visitMark( org.extex.typesetter.type.node.MarkNode, java.lang.Object)

visitPenalty

public java.lang.Object visitPenalty(PenaltyNode node,
                                     java.lang.Object value)
                              throws GeneralException

This method is called when a PenaltyNode has been encountered.

Specified by:

visitPenalty in interface NodeVisitor

Parameters:

node - the first parameter for the visitor is the node visited

value - the second parameter for the visitor

Returns:

the visitor specific value

Throws:

GeneralException - in case of an error

See Also:

NodeVisitor.visitPenalty( org.extex.typesetter.type.node.PenaltyNode, java.lang.Object)

visitRule

public java.lang.Object visitRule(RuleNode node,
                                  java.lang.Object value)
                           throws GeneralException

This method is called when a RuleNode has been encountered.

Specified by:

visitRule in interface NodeVisitor

Parameters:

node - the first parameter for the visitor is the node visited

value - the second parameter for the visitor

Returns:

the visitor specific value

Throws:

GeneralException - in case of an error

See Also:

NodeVisitor.visitRule( org.extex.typesetter.type.node.RuleNode, java.lang.Object)

visitSpace

public java.lang.Object visitSpace(SpaceNode node,
                                   java.lang.Object value)
                            throws GeneralException

This method is called when a SpaceNode has been encountered.

Specified by:

visitSpace in interface NodeVisitor

Parameters:

node - the first parameter for the visitor is the node visited

value - the second parameter for the visitor

Returns:

the visitor specific value

Throws:

GeneralException - in case of an error

See Also:

NodeVisitor.visitSpace( org.extex.typesetter.type.node.SpaceNode, java.lang.Object)

visitVerticalList

public java.lang.Object visitVerticalList(VerticalListNode node,
                                          java.lang.Object value)
                                   throws GeneralException

This method is called when a VerticalListNode has been encountered.

Specified by:

visitVerticalList in interface NodeVisitor

Parameters:

node - the first parameter for the visitor is the node visited

value - the second parameter for the visitor

Returns:

the visitor specific value

Throws:

GeneralException - in case of an error

See Also:

NodeVisitor.visitVerticalList( org.extex.typesetter.type.node.VerticalListNode, java.lang.Object)

visitWhatsIt

public java.lang.Object visitWhatsIt(WhatsItNode node,
                                     java.lang.Object value)
                              throws GeneralException

This method is called when a WhatsItNode has been encountered.

Specified by:

visitWhatsIt in interface NodeVisitor

Parameters:

node - the first parameter for the visitor is the node visited

value - the second parameter for the visitor

Returns:

the visitor specific value

Throws:

GeneralException - in case of an error

See Also:

NodeVisitor.visitWhatsIt( org.extex.typesetter.type.node.WhatsItNode, java.lang.Object)