[Laszlo-user] More on namespaces and XML schema...

[Francisco Jose Peredo]

Hi!
Laszlo has "limited support for namespaces" (/basically it ignores them/):
Chapter 36. Data, XML, and XPath
http://labs.openlaszlo.org/legals-nightly/docs/guide/data-structures.html
(that is from OL 4.0, so I guess none of the previous versions have more 
than "limited" support.

Fennell, Philip escribió:
> Hello again,
>
> Seeing as the link in the documentation (running under tomcat) for
> lzx.dtd returns a 404 error I had to do a bit of searching around on the
> net. There's a link on the wiki, under 'Editing LZX' that is also broken
> too.
>
> So initialy I tried using the XML Schema (lzx.xsd) and noticed
> immediately:
>
> 1) That the form and window elements are not defined in the schema.
>
>
> 2) There are errors in the schema too:
>
> In the definition of the element 'preloadresource' the name and resource
> attributes are also declared elsewhere in attributeGroup declarations
> referenced directly and indirectly by this element declaration.
>
>
> 3) If you put the appropriate markup, in the root of you canvas
> document, to identify the schema:
>
> <canvas xmlns="http://www.laszlosystems.com/2003/05/lzx"
>         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
>         xsi:schemaLocation="http://www.laszlosystems.com/2003/05/lzx
> ../schema/lzx.xsd"
>         width="1024"
>         height="768">
>    ...
> </canvas>
>
> You get the following error message form the compiler:
>
>
> The application could not be compiled due to the following errors:
>
> Compilation Errors
> form.lzx:10:22: Syntax error: the token ":" was not expected at this
> position.
> Compilation Warnings
>
> form.lzx:10:22: attribute "schemaLocation" from namespace
> "http://www.w3.org/2001/XMLSchema-instance" not allowed at this point;
> ignored
> form.lzx:10:22: found an unknown attribute named "schemaLocation" on
> element canvas, check the spelling of this attribute name
>
>
> This would suggest that not only is Open Laszlo not XML namespace aware
> (see previous e-mail) but neither is it XML Schema aware either.
>
>
> Its not that I'm being picky for picky's sake, I actually like what I've
> seen of Open Laszlo so far. Its just that things I'd want and expect to
> work don't.
>
>
> Regards
>
> Philip Fennell
>
>
>
>   

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