Ori Doolman wrote:
Dave,
What I need is to have in my hand (or code) a string that contains a
sub-tree of the document (as XML).
Of course I could just parse the document using Xerces and go to the
node I need and serialize this sub-tree to text.
But I want to do this using Xalan because there are other XPath features
I need.
I think that what you are suggesting is selecting all sub-tree nodes
with /A/B//* and then go over the returned NodeRefList and create the
XML text according to the node type (is there a ready made function API
for this common procedure??).
Yes, which is why I referred you to the SerializeNodeSet sample, which does
exactly that. Did you look at it? Also, when you say "XML text," it's
ambiguous. I think you mean markup, but I'm not sure.
So I'm beginning to understand that xpath can only be used for selecting
a collection of nodes from a document. The result of selected nodes
doesn't refer to their original hierarchy in the DOM document tree.
I don't know what to make of this comment, since it seems to contradict itself.
An XPath location path addresses nodes in an instance of the data model. A
location path does not create anything, so the selected nodes _are_ the
nodes in the original source tree. However, XPath does not operate on
markup, so there is no way to go back to the original markup. The best you
can do is create new markup for any selected nodes.
Dave
Am I right here?
-----Original Message-----
From: David Bertoni [mailto:[EMAIL PROTECTED]
Sent: Tuesday, March 13, 2007 12:10 AM
To: xalan-c-users@xml.apache.org
Subject: Re: Extracting a sub-tree as text using xpath
Ori Doolman wrote:
Someone, please?
I think what you mean is that you want the results as markup, and not as
text, in the sense of text nodes in the data model.
Take a look at the SerializeNodeSet sample for more information.
Dave
