Re: [xml] Remove First Two Header Nodes from Xml Doc [SEC=UNCLASSIFIED]

[<John Hockaday ga gov au>]

A document that has well formed tags is an XML document but it is not a
*valid* XML document.  To be valid it must have a DTD.

> -----Original Message-----
> From: xml-bounces gnome org [mailto:xml-bounces gnome org] On 
> Behalf Of Mike Hommey
> Sent: Thursday, 26 July 2007 3:44 PM
> To: Stefan Jeglinski
> Cc: xml gnome org
> Subject: Re: [xml] Remove First Two Header Nodes from Xml Doc
>
>
> On Wed, Jul 25, 2007 at 10:18:27PM -0400, Stefan Jeglinski 
> <jeglin 4pi com> wrote:
> > > Now what I wanted to do is to remove the first two tags of the xml 
> > > document which are hightlighted below. i.e.
> > > <?xml version=" 1.0" encoding="utf-8"?>
> > > <!DOCTYPE RequestMessage SYSTEM "RequestMessage.dtd">
> > >
> > > So what changes are required in the above mentioned code 
> to generate 
> > > the xml document which would be like.
> >
> > Not possible? At the risk of saying something wrong since I've only 
> > been using libxml a couple months, removing those 2 lines 
> would make 
> > the file not xml, so the question falls outside the scope 
> of the API. 
> > If you really want to do it, you could just write custom C code to 
> > remove them, but in that case, you should just write custom 
> C code to 
> > create your desired output to begin with.
> >
> > I'll gladly consider corrections to my assertion.
>
> An xml document without doctype is still an xml document, and 
> it's still
> possible to remove it with the C API:
>
> xmlDtdPtr dtd = xmlGetIntSubset(doc);
> if (dtd != NULL) {
>         xmlUnlinkNode((xmlNodePtr)dtd);
>         xmlFreeDtd(dtd);
> }
>
> (Stolen from xmllint.c)
>
> The only way I know to remove the xml declaration would be to dump the
> root node of the document instead of dumping the document.
>
> Mike
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