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com.nwalsh.saxon
Class UnwrapLinksEmitter  

java.lang.Object
  com.icl.saxon.output.Emitter
      com.nwalsh.saxon.CopyEmitter
          com.nwalsh.saxon.UnwrapLinksEmitter

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public class UnwrapLinksEmitter

extends CopyEmitter

Saxon extension to unwrap links in a result tree fragment.

$Id: UnwrapLinksEmitter.java,v 1.1 2002/06/26 11:02:05 nwalsh Exp $

Copyright (C) 2000, 2002 Norman Walsh.

This class provides the guts of a Saxon 6.* implementation of a link unwrapper.

The general design is this: the stylesheets construct a result tree fragment for some environment. Then the result tree fragment is "replayed" through the UnwrapLinksEmitter; the UnwrapLinksEmitter builds a new result tree fragment from this event stream with top-level links unwrapped. That RTF is returned. Note that only a single level of unwrapping is performed. This is clearly a crude implementation.

Change Log:

1.0

Initial release.

Version:

$Id: UnwrapLinksEmitter.java,v 1.1 2002/06/26 11:02:05 nwalsh Exp $

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Nested Class Summary
private  class	UnwrapLinksEmitter.StartElementInfo           A private class for maintaining the information required to call the startElement method.

 

Field Summary
protected  java.util.Stack	elementStack           A stack for the preserving information about open elements.
protected  boolean	foStylesheet           Is the stylesheet currently running an FO stylesheet?
protected static java.lang.String	foURI           The FO namespace name.
protected  int	htmlAFingerprint
protected  boolean	inSkip
protected  int	linkDepth           Are we currently in a link? How deep?
protected  java.util.Stack	saveStack
protected  int	skipDepth
protected  boolean	tryAgain
protected  int	xhtmlAFingerprint
protected static java.lang.String	xhURI           The XHTML namespace name.

 

Fields inherited from class com.nwalsh.saxon.CopyEmitter

namePool, rtf, rtfEmitter

 

Constructor Summary

UnwrapLinksEmitter(Controller controller, NamePool namePool, boolean foStylesheet)           Constructor for the UnwrapLinksEmitter.

 

Method Summary
void	endElement(int nameCode)           Process end element events.
void	startElement(int nameCode, org.xml.sax.Attributes attributes, int[] namespaces, int nscount)           Process start element events.
boolean	tryAgain()

 

Methods inherited from class com.nwalsh.saxon.CopyEmitter

characters, comment, endDocument, getResultTreeFragment, processingInstruction, setDocumentLocator, setEscaping, setNamePool, setUnparsedEntity, setWriter, startDocument

 

Methods inherited from class java.lang.Object

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

 

Field Detail

elementStack

protected java.util.Stack elementStack

A stack for the preserving information about open elements.

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saveStack

protected java.util.Stack saveStack

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foURI

protected static java.lang.String foURI

The FO namespace name.

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xhURI

protected static java.lang.String xhURI

The XHTML namespace name.

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foStylesheet

protected boolean foStylesheet

Is the stylesheet currently running an FO stylesheet?

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linkDepth

protected int linkDepth

Are we currently in a link? How deep?

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skipDepth

protected int skipDepth

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htmlAFingerprint

protected int htmlAFingerprint

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xhtmlAFingerprint

protected int xhtmlAFingerprint

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inSkip

protected boolean inSkip

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tryAgain

protected boolean tryAgain

Constructor Detail

UnwrapLinksEmitter

public UnwrapLinksEmitter(Controller controller,
                          NamePool namePool,
                          boolean foStylesheet)

Constructor for the UnwrapLinksEmitter.

Method Detail

startElement

public void startElement(int nameCode,
                         org.xml.sax.Attributes attributes,
                         int[] namespaces,
                         int nscount)
                  throws javax.xml.transform.TransformerException

Process start element events.

Overrides:

startElement in class CopyEmitter

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endElement

public void endElement(int nameCode)
                throws javax.xml.transform.TransformerException

Process end element events.

Overrides:

endElement in class CopyEmitter

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tryAgain

public boolean tryAgain()
                 throws javax.xml.transform.TransformerException

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