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Re: XS0044 correct?

From: Manfred Staudinger <manfred.staudinger@gmail.com>
Date: Wed, 23 Sep 2009 20:09:57 +0200
Message-ID: <a946be3a0909231109o106a5437ncd08c274b8dd4dde@mail.gmail.com>
To: Toman_Vojtech@emc.com
Cc: xproc-dev@w3.org
Thanks again for your explanation!

Do you think I should start validating my XProc code and is it usefull
in diagnosing coding errors? As I'm new to validating, what would I
need or where would I start?


On 22/09/2009, Toman_Vojtech@emc.com <Toman_Vojtech@emc.com> wrote:
>> Beginner errors: when I execute
>> <p:declare-step name="myPipeline"
>> 	xmlns:c="http://www.w3.org/ns/xproc-step"
>> 	xmlns:p="http://www.w3.org/ns/xproc">
>> 	<p:identity>
>> 		<p:input port="source">
>> 			<p:inline><c:directory/></p:inline>
>> 		</p:input>
>> 	</p:identity>
>> 	<p:output port="result"/>
>> </p:declare-step>
>> then Calabash 0.9.14 gives
>> Error  : Pipeline failed: err:XS0044: Unexpected step name: p:output
>> It is a static error if any element in the XProc namespace or any step
>> has element children other than those specified for it by this
>> specification. In particular, the presence of atomic steps for which
>> there is no visible declaration may raise this error.
>> while Calumet 1.0.9 executes and outputs
>> <c:directory xmlns:c="http://www.w3.org/ns/xproc-step"/>
> You pipeline is not valid according to the XProc schema. According to
> the schema, all p:output (as well as p:input, p:option and p:variable)
> elements  must precede the sub-pipeline. In this sense, nor Calumet nor
> Calabash are correct: they should both should reject the pipeline
> because it is not valid.
> Calumet does not validate the pipeline at the moment (and I think nor
> does Calabash). Calumet is quite forgiving in this respect and can deal
> with some out-of-order XProc elements - which, depending on your view,
> may or may not be a good thing. Calabash seems to be a bit more strict.
> Hope this helps.
> Regards,
> Vojtech
> --
> Vojtech Toman
> Principal Software Engineer
> EMC Corporation
> toman_vojtech@emc.com
> http://developer.emc.com/xmltech
Received on Wednesday, 23 September 2009 18:10:33 UTC

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