[xquery-talk] Validating an attribute value

[Misztur, Chris]

If I want to make sure that an attribute has a value should I check with empty() and functx:all-whitespace()?

-c



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[Michael Kay]

If you want to check that an attribute exists and that its value is non-empty and not all whitespace, use

if (normalize-space(@att)) then...

Michael Kay
Saxonica

On 14 Dec 2013, at 02:01, Misztur, Chris <***@macleanfogg.com> wrote:

> If I want to make sure that an attribute has a value should I check with empty() and functx:all-whitespace()?
>
> -c
>
>
>
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[Misztur, Chris]

Thanks. That will do.
________________________________________
From: Michael Kay [***@saxonica.com]
Sent: Saturday, December 14, 2013 3:10 AM
To: Misztur, Chris
Cc: ***@x-query.com
Subject: Re: [xquery-talk] Validating an attribute value

If you want to check that an attribute exists and that its value is non-empty and not all whitespace, use

if (normalize-space(@att)) then...

Michael Kay
Saxonica

On 14 Dec 2013, at 02:01, Misztur, Chris <***@macleanfogg.com> wrote:

> If I want to make sure that an attribute has a value should I check with empty() and functx:all-whitespace()?
>
> -c
>
>
>
> ________________________________
>
> The contents of this message may be privileged and confidential. Therefore, if this message has been received in error, please delete it without reading it. Your receipt of this message is not intended to waive any applicable privilege. Please do not disseminate this message without the permission of the author.
>
> Please consider the environment before printing this e-mail
>
>
> _______________________________________________
> ***@x-query.com
> http://x-query.com/mailman/listinfo/talk


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[David Lee]

assuming your are not particularly pedantic about unicode characters that might look spacy-like ...
this will work

fn:exists($elem/@attribute) and fn: normalize-space( $elem/@attribute ) ne ''

but it all depends on what you mean by 'has a value'



----------------------------------------
David A. Lee
***@calldei.com
http://www.xmlsh.org

-----Original Message-----
From: talk-***@x-query.com [mailto:talk-***@x-query.com] On Behalf Of Misztur, Chris
Sent: Friday, December 13, 2013 9:01 PM
To: ***@x-query.com
Subject: [xquery-talk] Validating an attribute value

If I want to make sure that an attribute has a value should I check with empty() and functx:all-whitespace()?

-c



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The contents of this message may be privileged and confidential. Therefore, if this message has been received in error, please delete it without reading it. Your receipt of this message is not intended to waive any applicable privilege. Please do not disseminate this message without the permission of the author.

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