[DFDL-WG] still no need for fn:error
Steve Hanson
smh at uk.ibm.com
Wed Jul 24 11:58:30 EDT 2013
Mike, I think you meant:
test="{ (xs:unsignedInt(.) eq dfdl:unsignedInt('xa1b2c3d4')) |
(xs:unsignedInt(.) eq dfdl:unsignedInt('xd4c3b2a1')) }"
Regards
Steve Hanson
Architect, IBM Data Format Description Language (DFDL)
Co-Chair, OGF DFDL Working Group
IBM SWG, Hursley, UK
smh at uk.ibm.com
tel:+44-1962-815848
From: Mike Beckerle <mbeckerle.dfdl at gmail.com>
To: dfdl-wg at ogf.org,
Date: 24/07/2013 16:46
Subject: [DFDL-WG] still no need for fn:error
Sent by: dfdl-wg-bounces at ogf.org
Here's the example as suggested by Jonathan of how to issue an error that
I previously was suggesting needed fn:error. I'm convinced this is
sufficient and we can avoid the need for fn:error now.
<xs:element name="magic_number" type="ex:uint32"
dfdl:byteOrder="bigEndian">
<xs:annotation>
<xs:appinfo source="http://www.ogf.org/dfdl/">
<dfdl:assert
test="{ (xs:unsignedInt(.) eq dfdl:hUInt('0xa1b2c3d4')) |
(xs:unsignedInt(.) eq dfdl:hUInt('0xd4c3b2a1')) }"
message="{ fn:concat(
'Magic number ',
dfdl:hexBinary(dfdl:unsignedInt(.)),
' was not 0xA1B2C3D4 (for bigEndian) or 0xD4C3B2A1
(for littleEndian).' }" />
<dfdl:setVariable ref="ex:bOrd">{ xs:unsignedInt(.) }<dfdl:setVariable>
</xs:appinfo>
</xs:annotation>
</xs:element>
--
Mike Beckerle | OGF DFDL Workgroup Co-Chair | Tresys Technology |
www.tresys.com
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