Re: [xml] make XPointer( id(XX) ) and C14n work without DTD

[Andrew Fan <Andrew Fan Sun Com>]

Daniel Veillard wrote:

> On Mon, Feb 23, 2004 at 06:29:23PM +0800, Andrew Fan wrote:
>  
>
> > Hi,
> >
> > I have a xml file like,
> > ---------
> > <test>
> > <content Id="target">
> >   Hello, World!
> > </content>
> > ...............
> > <Reference URI="#target">
> > </Reference>
> > </test>
> > -------------
> >
> > And I parsed it as DOM tree and want to use XPointer( id( "target" ) ) 
> > to get the content. Because of the absence of DTD, I have to hack the 
> > DOM with "xmlAddID", which make the XPointer work.  And then, I want to 
> > make a C14n transform over the DOM, I can not get the correct result. 
> > What alse must I do in order to get the correct C14n?
> >    
>
>  XPointer id() is actually XPath id() and only works if you can assert
> IDness of an attribute, and that requires a DTD per the spec. Trying to
> make what you suggest would simply make the library not conformant to the
> specifications. Sorry that's not possible. Use a different XPointer
> expression not based on id().
>
>  
Which XPointer expression can I used to express the above URI?  Thanks.

--Andrew

> Daniel
>
>