Re: [xml] Using Xpath from a node

[Daniel Veillard <veillard redhat com>]

On Wed, Feb 18, 2004 at 11:50:40AM +0200, Israel Ganor wrote:
> Hi,
>
> I've just starting using libxml2.
> I wonder if there is a way to the the context of an element using a relative
> Xpath expression. E.g., soppose my xmlNodePtr points to the last B element
> (see below). Now I want to directly read the text of subelement E, without
> looping through all B's subelements. Is this possible? The only way I found
> so far is to build the full Xpath of E (from the doc's root) and get it
> using the full expression, but this looks like an non-elegant and
> inefficient.

  You need to change the evaluation context xmlXPathContextPtr
ctxt->doc should point to the current document, and ctxt->node should
point to the current node (XPath '.').

Daniel

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