Re: [xml] obtaining an XPath expression given a node ptr

[Daniel Veillard <veillard redhat com>]

On Fri, Nov 09, 2001 at 04:13:40PM -0700, Vakoc, Mark wrote:
> given an xmlNodePtr in a document, is it possible to retrieve a xpath
> expression that uniquely identifies that node?
>
> i.e. a given document
>
> <?xml version="1.0"?>
> <root>
>   <a/>
>   <a><b/><b><c/></b></a>
> </root>
>
> And you had the xmlNodePtr to node 'C', you would receive back an xpath
> expression of "/root/a[2]/b[2]/c"

  The function xmlShellPwd() which implements the 'pwd' command in shell
mode does that, but is not properly isolated and sometimes seems to put
an extra leading / . it may not work well for non-element nodes too.

  This function should be cleaned up and isolated with a proper interface
and then exported. Should be like 20mn of work, patch welcome ...

Daniel

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