[
Lists Home |
Date Index |
Thread Index
]
> -----Original Message-----
> From: Ho-Kuo Chan [mailto:hchan@wavesat.com]
> Sent: Friday, February 04, 2005 9:33 AM
> To: xml-dev@lists.xml.org
> Subject: [xml-dev] typing with XML Schema
>
> Hi,
> I'm not sure if this is the correct forum for my question,
> forgive me if it is not and feel free to point me in the
> correct direction for it.
> What I would like to do is create a new simpleType that is
> identical to a built-in type, without any restrictions.
> Consider an example from C
> language:
>
> typedef uint16_t my_element_type;
>
> What's the point? Well doing this allows me to use the
> "my_element_type"
> everywhere and if it's size ever changes from say the 16 bits
> defined to say 32 bits, I can just replace the line above with:
>
> typedef uint32_t my_element_type
>
> and the update becomes automatic throughout.
>
> I thought something like this would have been perfect but is iilegal:
>
> <xsd:simpleType name="my_element_type" base="xsd:unsignedShort"/>
>
> then I tried this:
>
> <xsd:simpleType name="my_element_type">
> <xsd:restriction base="xsd:unsignedShort"/> </xsd:simpleType>
>
> but it too is illegal.
I recommend that you reference the W3C Schema Primer[1] for an example
of this - see section "2.1 The Purchase Order Schema", specifically
"<xsd:element name="quantity">".
Hope that helps.
Kind Regards,
Joseph Chiusano
Booz Allen Hamilton
Strategy and Technology Consultants to the World
[1] http://www.w3.org/TR/2001/REC-xmlschema-0-20010502/
> Is there an elegant way to do this? Thanks in advance!
> --
> HK Chan
>
> -----------------------------------------------------------------
> The xml-dev list is sponsored by XML.org
> <http://www.xml.org>, an initiative of OASIS
> <http://www.oasis-open.org>
>
> The list archives are at http://lists.xml.org/archives/xml-dev/
>
> To subscribe or unsubscribe from this list use the subscription
> manager: <http://www.oasis-open.org/mlmanage/index.php>
>
>
|
