[DFDL-WG] dfdl:textOutputMinLength
Tim Kimber
KIMBERT at uk.ibm.com
Thu Feb 14 06:01:06 EST 2013
The property name is 'textOutputMinLength'. I'm wondering why it controls
anything other than text output.
regards,
Tim Kimber, DFDL Team,
Hursley, UK
Internet: kimbert at uk.ibm.com
Tel. 01962-816742
Internal tel. 37246742
From: Steve Hanson/UK/IBM at IBMGB
To: dfdl-wg at ogf.org,
Date: 14/02/2013 10:41
Subject: [DFDL-WG] dfdl:textOutputMinLength
Sent by: dfdl-wg-bounces at ogf.org
Here's the description for this property from the spec, including a change
for errata 2.100. I am concerned about the red sentence about length
units.
textOutputMinLength
Non-negative Integer.
Only used when dfdl:textPadKind is 'padChar' and dfdl:lengthKind is
'delimited', 'prefixed', 'pattern' or 'endOfParent' or 'explicit' and
dfdl:length is an expression, and type is not xs:string
Specifies the minimum representation length during unparsing for simple
types that do not allow the xs:minlength facet to be specified. The units
are specified by the dfdl:lengthUnits property.
If dfdl:textOutputMinLength is zero or less than the length of the
representation text then no padding occurs.
Annotation: dfdl:element, dfdl:simpleType
However, when parsing, dfdl:lengthUnits is only used for a 'specified
length' so that's dfdl:lengthKind 'explicit', 'implicit' and 'prefixed'.
When 'delimited', 'pattern' or 'endOfParent' dfdl:lengthUnits is not used.
I think we should be saying:
"For dfdl:lengthKind 'delimited', 'pattern' and 'endOfParent' the length
units are characters. For other dfdl:lengthKinds the length units are
specified by the dfdl:lengthUnits property."
Same argument applies to XSD minLength facet for xs:strings.
Regards
Steve Hanson
Architect, Data Format Description Language (DFDL)
Co-Chair, OGF DFDL Working Group
IBM SWG, Hursley, UK
smh at uk.ibm.com
tel:+44-1962-815848
Unless stated otherwise above:
IBM United Kingdom Limited - Registered in England and Wales with number
741598.
Registered office: PO Box 41, North Harbour, Portsmouth, Hampshire PO6 3AU
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