Re: [xml-dev] Re: [ubl-dev] UBL 2.0 and Schema Extensibility

["bryan rasmussen" <rasmussen.bryan@gmail.com>]

Basically it seems to me that the question as to whether it is
nondeterministic revolves on whether local is within other, I would
say no since I would like it to be explicitly stated that it is in the
spec. and it does not seem to be in anywhere that I've looked.

However the other question there is, should one be checking if it is
nondeterministic if one is required to skip all parts that could be
non-deterministic.

Cheers,
Bryan

On 5/23/06, G. Ken Holman <gkholman@cranesoftwrights.com> wrote:
> At 2006-05-18 00:20 +0100, Fraser Goffin wrote:
> >The example schema fragment that you pointed at :-
> >
> >     <xs:choice minOccurs="0" maxOccurs="unbounded">
> >       <xs:any namespace="##other" processContents="skip"/>
> >       <xs:any namespace="##local" processContents="skip"/>
> >     </xs:choice>
> >
> >looks OK, but XML Spy and MSXML 4 report it as non deterministic ?
>
> Below is the post that I made last week to the W3C Schema mail list
> ... I still have not seen any response to the post, so I still do not
> know the answer to the question.
>
> The UBL TC is meeting face-to-face this week so we need help as soon
> as possible ... I hoping that someone on the UBL-Dev or XML-Dev list
> might offer comments on the situation described below.
>
> Thanks again for bringing this up!
>
> . . . . . . . . . . . . . Ken
>
> Date: Thu, 18 May 2006 09:35:26 +0200
> To: xmlschema-dev@w3.org
> From: "G. Ken Holman" <gkholman@CraneSoftwrights.com>
> Subject: Question of reports of non-determinism
>
> Hello all,
>
> Below is transcript of an extended example from our work in UBL:
>
>    http://www.oasis-open.org/archives/ubl/200604/msg00013.html
>
> I've been using xjparse invoking Xerces in order to test examples and
> experiments for the TC.
>
> In the example below, I have modeled an extension point named
> LineItemExtension into which I wish to allow child elements from any
> other namespace and from no namespace.
>
> I am informed that some tools (not Xerces below) report that ##other
> conflicts with ##local in that it is non-deterministic.  Yet if I
> take out ##local the example below fails in Xerces because I've
> included an element in no namespace, so Xerces is implementing "other
> namespace" as "other non-null namespace", while the other tools are
> implementing "other namespace" as "other namespace including no namespace".
>
> Does ##other imply ##local or does ##other require there be a target
> namespace that is different in the particle?  If ##other implies
> ##local then Xerces is wrong ... otherwise these other tools are wrong.
>
> I'm looking to advise the TC correctly in this matter, so any help
> would be greatly appreciated.
>
> Thanks!
>
> . . . . . . . . . Ken
>
> t:\fraser>type exublorder2.xsd
> <?xml version="1.0" encoding="UTF-8"?>
> <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema";
> elementFormDefault="qualified"
> targetNamespace="urn:oasis:names:draft:ubl:schema:xsd:Order-2"
> xmlns:u="urn:oasis:names:draft:ubl:schema:xsd:Order-2">
>    <xs:element name="Order">
>      <xs:complexType>
>        <xs:sequence>
>          <xs:element ref="u:OrderNumber"/>
>          <xs:element maxOccurs="unbounded" ref="u:LineItem"/>
>          <xs:element ref="u:TotalAmount"/>
>        </xs:sequence>
>      </xs:complexType>
>    </xs:element>
>    <xs:element name="OrderNumber" type="xs:string"/>
>    <xs:element name="LineItem">
>      <xs:complexType>
>        <xs:sequence>
>          <xs:element ref="u:Description"/>
>          <xs:element ref="u:PriceAmount"/>
>          <xs:element minOccurs="0" ref="u:LineItemExtension"/>
>        </xs:sequence>
>      </xs:complexType>
>    </xs:element>
>    <xs:element name="Description" type="xs:string"/>
>    <xs:element name="PriceAmount" type="xs:string"/>
>    <xs:element name="LineItemExtension" type="u:any-non-UBL"/>
>    <xs:element name="TotalAmount" type="xs:string"/>
>    <xs:complexType name="any-non-UBL">
>      <xs:choice minOccurs="0" maxOccurs="unbounded">
>        <xs:any namespace="##other" processContents="skip"
> minOccurs="0" maxOccurs="unbounded"/>
>        <xs:any namespace="##local" processContents="skip"
> minOccurs="0" maxOccurs="unbounded"/>
>      </xs:choice>
>    </xs:complexType>
> </xs:schema>
>
> t:\fraser>type exaeroorder2.xml
> <?xml version="1.0" encoding="utf-8"?>
> <Order xmlns="urn:oasis:names:draft:ubl:schema:xsd:Order-2"
>         xmlns:a="urn:x-aerospace:ubl:lineitem">
>    <OrderNumber>123</OrderNumber>
>    <LineItem>
>      <Description>747 Repair Kit</Description>
>      <PriceAmount>1200000.54</PriceAmount>
>      <LineItemExtension>
>        <a:LineItemDetail>
>          <a:Part>
>            <a:Description>Starboard wing</a:Description>
>            <a:Amount>600000.00</a:Amount>
>          </a:Part>
>          <a:Part>
>            <a:Description>Port wing</a:Description>
>            <a:Amount>600000.00</a:Amount>
>          </a:Part>
>          <a:Part>
>            <a:Description>Bolt</a:Description>
>            <a:Quantity>2</a:Quantity>
>            <a:Amount>.27</a:Amount>
>          </a:Part>
>        </a:LineItemDetail>
>      </LineItemExtension>
>    </LineItem>
>    <LineItem>
>      <Description>DC3 Repair Kit</Description>
>      <PriceAmount>37.25</PriceAmount>
>      <LineItemExtension>
>        <a:LineItemDetail>
>          <a:Part>
>            <a:Description>Rubber band</a:Description>
>            <a:Amount>37.25</a:Amount>
>          </a:Part>
>        </a:LineItemDetail>
>        <hello xmlns="">
>          <world/>
>        </hello>
>      </LineItemExtension>
>    </LineItem>
>    <TotalAmount>1200037.79</TotalAmount>
> </Order>
> t:\fraser>xjparse -S exublorder2.xsd exaeroorder2.xml
> No validation errors.
>
>
>
> --
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> G. Ken Holman                 mailto:gkholman@CraneSoftwrights.com
> Crane Softwrights Ltd.          http://www.CraneSoftwrights.com/u/
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>
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