Re: [Tclxml-users] XML Schema validation

[Steve B. <Ste...@ex...>]

Hi Ben,

TclXML/libxml2 v3.2 supports XSD schema validation and the upcoming  
v3.3 will support RelaxNG schema validation. Schema validation is  
usually performed post-parsing, upon the document DOM tree; I'll need  
to check whether validation works as expected during parsing.

Anyway, sometime today I'll see if I can post an example on the Tcl  
Wiki. For another example see the tkxmllint application.

Also, if you want to confirm that the XSD parsing is working then the  
easiest way to do that would be to feed a known schema-invalid  
document into the system and check that it correctly reports an error.  
You can also feed it a deliberately incorrect schema document and  
check that it fails at the compilation stage.

Cheers,
Steve Ball

On 08/09/2009, at 10:41 PM, Ben Carbery wrote:

> Howdy,
>
> I am a newbie to XML but have been using TCL a few years. Today I  
> have read through every bit of documentation I can find but I am  
> still not clear how to do XSD-style validation or if it is possible  
> with TclXML.
>
> I basically need to read in a file, validate it and parse it - no  
> manipulation so DOM would be overkill. The parsing is clear from the  
> manual, but it's not clear what results from use of the -validation  
> switch and if XSD schema are supported.
>
> Running my parser with libxml2 and -validate true returns ok but  
> this doesn't convince me the xsd has been found, parsed and used to  
> validate the document.
>
> Can anyone help?
>
> BC
>
>
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