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Java Source Code / Java Documentation » J2EE » enhydra » com.nwalsh.saxon 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


com.nwalsh.saxon.CopyEmitter
   com.nwalsh.saxon.UnwrapLinksEmitter

UnwrapLinksEmitter
public class UnwrapLinksEmitter extends CopyEmitter (Code)

Saxon extension to unwrap links in a result tree fragment.

$Id: UnwrapLinksEmitter.java,v 1.4 2005-08-30 08:14:58 draganr 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.


author:
   Norman Walsh
author:
   ndw@nwalsh.com
version:
   $Id: UnwrapLinksEmitter.java,v 1.4 2005-08-30 08:14:58 draganr Exp $


Field Summary
protected  StackelementStack
     A stack for the preserving information about open elements.
protected  booleanfoStylesheet
    
protected static  StringfoURI
     The FO namespace name.
protected  inthtmlAFingerprint
    
protected  booleaninSkip
    
protected  intlinkDepth
    
protected  StacksaveStack
    
protected  intskipDepth
    
protected  booleantryAgain
    
protected static  StringxhURI
     The XHTML namespace name.
protected  intxhtmlAFingerprint
    

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

Method Summary
public  voidendElement(int nameCode)
     Process end element events.
public  voidstartElement(int nameCode, org.xml.sax.Attributes attributes, int[] namespaces, int nscount)
     Process start element events.
public  booleantryAgain()
    

Field Detail
elementStack
protected Stack elementStack(Code)
A stack for the preserving information about open elements.



foStylesheet
protected boolean foStylesheet(Code)
Is the stylesheet currently running an FO stylesheet?



foURI
protected static String foURI(Code)
The FO namespace name.



htmlAFingerprint
protected int htmlAFingerprint(Code)



inSkip
protected boolean inSkip(Code)



linkDepth
protected int linkDepth(Code)
Are we currently in a link? How deep?



saveStack
protected Stack saveStack(Code)



skipDepth
protected int skipDepth(Code)



tryAgain
protected boolean tryAgain(Code)



xhURI
protected static String xhURI(Code)
The XHTML namespace name.



xhtmlAFingerprint
protected int xhtmlAFingerprint(Code)




Constructor Detail
UnwrapLinksEmitter
public UnwrapLinksEmitter(Controller controller, NamePool namePool, boolean foStylesheet)(Code)

Constructor for the UnwrapLinksEmitter.


Parameters:
  namePool - The name pool to use for constructing elements and attributes.
Parameters:
  foStylesheet - Is this an FO stylesheet?




Method Detail
endElement
public void endElement(int nameCode) throws TransformerException(Code)
Process end element events.



startElement
public void startElement(int nameCode, org.xml.sax.Attributes attributes, int[] namespaces, int nscount) throws TransformerException(Code)
Process start element events.



tryAgain
public boolean tryAgain() throws TransformerException(Code)



Fields inherited from com.nwalsh.saxon.CopyEmitter
protected NamePool namePool(Code)(Java Doc)
protected FragmentValue rtf(Code)(Java Doc)
protected Emitter rtfEmitter(Code)(Java Doc)

Methods inherited from com.nwalsh.saxon.CopyEmitter
public void characters(char[] chars, int start, int len) throws TransformerException(Code)(Java Doc)
public void comment(char[] chars, int start, int length) throws TransformerException(Code)(Java Doc)
public void endDocument() throws TransformerException(Code)(Java Doc)
public void endElement(int nameCode) throws TransformerException(Code)(Java Doc)
public FragmentValue getResultTreeFragment()(Code)(Java Doc)
public void processingInstruction(java.lang.String name, java.lang.String data) throws TransformerException(Code)(Java Doc)
public void setDocumentLocator(org.xml.sax.Locator locator)(Code)(Java Doc)
public void setEscaping(boolean escaping) throws TransformerException(Code)(Java Doc)
public void setNamePool(NamePool namePool)(Code)(Java Doc)
public void setUnparsedEntity(java.lang.String name, java.lang.String uri) throws TransformerException(Code)(Java Doc)
public void setWriter(java.io.Writer writer)(Code)(Java Doc)
public void startDocument() throws TransformerException(Code)(Java Doc)
public void startElement(int nameCode, org.xml.sax.Attributes attributes, int[] namespaces, int nscount) throws TransformerException(Code)(Java Doc)

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