Re: [xml] XPointer problem

[Aleksey Sanin <aleksey aleksey com>]

Thanks for checking! Then something is wrong with my code or my understanding
:( 

Aleksey


Daniel Veillard wrote:
>   Hehe, no you're wrong. Check the regression tests:
>
> test/XPath/xptr/chaptersparts:
>   xpointer(//chapitre[2])xpointer(//chapter[2])
>   and
>   xpointer(id("chapter1"))xpointer(//*[ id="chapter1"])
>
> and 
>
> result/XPath/xptr/chaptersparts:
> ========================
> _expression_: xpointer(//chapitre[2])xpointer(//chapter[2])
> Object is a Node Set :
> Set contains 1 nodes:
> 1  ELEMENT chapter
>     ATTRIBUTE id
>       TEXT
>         content=chapter2
>
> ========================
> _expression_: xpointer(id("chapter1"))xpointer(//*[ id="chapter1"])
> Object is a Node Set :
> Set contains 1 nodes:
> 1  ELEMENT chapter
>     ATTRIBUTE id
>       TEXT
>         content=chapter1
>
>   Look at testXPath.c support for the --xptr flag1, it's there !
> Note however that I didn't updated to the changes made in the very lastr
> set of drafts, if any...
>
> Daniel
>
> On Wed, Aug 21, 2002 at 01:08:40PM -0700, Aleksey Sanin wrote:
> > No reply in a week so I am reposting the message.  Daniel, can your
> > confirm that my understanding is correct and there is a buf in LibXML
> > imlementation?
> >
> > > Hi, Daniel!
> > >
> > > I am not sure but it looks like I found a small problem with XPointer
> > > implementation in LibXML: it looks like LibXML does not support
> > > multiple "xpointer()" parts as it is described in [1].
> > > It'll be great if you can take a look at this because I've looked at the
> > > xpointer.c (functions: xmlXPtrEval and xmlXPtrEvalXPointer) and it
> > > does not seem like there exists a quick and simple fix.
> > >
> > > Thank you in advance,
> > >
> > > Aleksey.
> > >
> > >
> > >
> > > [1] http://www.w3.org/TR/2001/CR-xptr-20010911/#schemes
> > > -----
> > >
> > > However, in the absence of the DTD, it is not typically possible to 
> > > determine
> > > if an attribute is of type ID. An XPointer like the following, with 
> > > two parts,
> > > will have its first part fail if no DTD is available, but will have 
> > > its second part
> > > succeed if the desired attribute's name is id; note that the intent of 
> > > the second
> > > XPointer part is just an approximation of the first.
> > >
> > > xpointer(id("chap1"))xpointer(//*[ id="chap1"])
> > >
> > >
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> > >     
> >
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