On 3/29/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
>
>
>
> On 28 Mar, 20:59, "[EMAIL PROTECTED]" <[EMAIL PROTECTED]> wrote:
> > Hi all,
> > I just started using SDO_XML and it is proving extremely useful.
> > I just wanted to ask a quick question that someone might know. I have
> > several schemas that use qualified elements, so I have to put a prefix
> > on the element names. Is there anyway I can force the saved xml to
> > have a prefix on the default namespace?
> >
> > Thanks,
> > Charlie
>
> Hi Charlie, I don't have a difinitive answer for you but looking at
> the code it looks like this is the way that libxml2 does things so you
> may be stuck with it for the time being. This is the line from
> SDOXMLWriter.cpp that writes out the root element:
>
> rc = xmlTextWriterStartElementNS(writer, NULL, elementName,
> elementURI);
>
> So it looks like its down to how libxml2 handles the elementName and
> namespace URI. There may be a way of changing this so I'm hoping one
> of the SDO experts will jump in if that is the case.
>
> I have found the qualification (or not) of elements to be a bit of a
> minefield. Can I just check that when you say "force the saved xml to
> have a prefix on the default namespace?" I assume you are talking
> about having:
>
> <tns:SomeElement xmlns:tn="my namespace"/>
>
> as opposed to
>
> <SomeElement xmlns="mynamesapce"/>
>
> At the root element level. Is that right?
That's the gist of it. I should clarify that the validation problems
really only pop up when I am required to use qualified attributes. I
think a way to address this would be to have a function to bridge to
DOM. DOM allows you to control prefixes. How hard would it be to add
a new function:
DOMDocument SDO_DAS_XML::saveDOM(SDO_XMLDocument $xdoc)
Just writing to a string and file can be somewhat limiting.
Thanks,
Charlie
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