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RE: Line number of a node

• From: "Michael Kay" <mike@s...>
• To: 'Beatriz San Miguel González' <beuchisan@h...>,<xml-dev@l...>
• Date: Wed, 20 Dec 2006 23:24:36 -0000

> Thank you for your advices,I think that the best way will be 
> to use the class NodeImpl of Saxon because I have seen the 
> method getLineNumber(), do you know how can I create a 
> NodeImpl with XPath? some example please.

The method is actually on the interface NodeInfo, which has many different
implementation classes.

You can't create nodes using XPath. 

You can build a tree whose nodes implement the Saxon NodeInfo interface
using a Saxon method such

StaticQueryContext.buildDocument(Source)

If you want line numbers, use an AugmentedSource on which you have called
setLineNumbering(true).

If you can't find the details in the Saxon Javadoc, ask again on the
saxon-help list at SourceForge.

Michael Kay
http://www.saxonica.com/

 
> 
> Thank you again.
> 
> 
> >From: "Michael Kay" <mike@s...>
> >To: 'Beatriz San Miguel González' 
> ><beuchisan@h...>,<xml-dev@l...>
> >Subject: RE:  Line number of a node
> >Date: Wed, 20 Dec 2006 15:50:22 -0000
> >
> >The Saxon tree model allows you to store line numbers if you set an 
> >appropriate flag when building the tree. But this is a 
> read-only model 
> >- it's suitable if most of your access is through XPath but 
> you might 
> >not want to use it otherwise.
> >
> >XOM allows you to define subclasses of the standard node classes so 
> >that extra information can be stored, this would allow you 
> to capture 
> >the line numbers from SAX while building the tree. However, this 
> >involves writing your own node factory class.
> >
> >Michael Kay
> >http://www.saxonica.com/
> >
> > > -----Original Message-----
> > > From: Beatriz San Miguel González [mailto:beuchisan@h...]
> > > Sent: 20 December 2006 15:38
> > > To: mike@s...; xml-dev@l...
> > > Subject: RE:  Line number of a node
> > >
> > > I don't know what API can be useful. I have used SAX, dom 
> and dom4j 
> > > but it's don't work. I have read about XOM and I think 
> that it's not 
> > > possible.
> > > I need some suggestion about what API I can use. The only 
> > > requirement is to use Java.
> > >
> > > Thanks!
> > >
> > >
> > > >From: "Michael Kay" <mike@s...>
> > > >To: 'Beatriz San Miguel González'
> > > ><beuchisan@h...>,<xml-dev@l...>
> > > >Subject: RE:  Line number of a node
> > > >Date: Wed, 20 Dec 2006 15:25:57 -0000
> > > >
> > > > >
> > > > > Is  there is a way to find out the line number of a node?
> > > > >
> > > >
> > > >It rather depends on what API you are using. In the DOM API,
> > > I believe
> > > >the answer is no.
> > > >
> > > >Michael Kay
> > > >http://www.saxonica.com/
> > > >
> > > >
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• References:
  • RE: Line number of a node
    • From: Beatriz San Miguel González <beuchisan@h...>