Hi,
I believe the error you are getting is not a serious one. I too got the
same erro when I tried to validate my schema using XSV. The reason I found
out was that when the first 'waiting' is encountered, the parser doesn't
know if it is the waiting belonging to the item having 1 waiting or the
item having '1 waiting and 1 passing'.
This is only a problem with certain parsers while other parsers that
implement some form of look-ahead should validate this document fine.
BTW, have you tried any DTD to schema converter tools to see what result
they gave.
Regards,
Omprakash.V
<xsd:element name="item">
<xsd:complexType>
<xsd:sequence>
<xsd:element ref="risid"/>
<xsd:choice>
<xsd:element ref="waiting"/>
<xsd:element ref="passing"/>
<xsd:sequence>
<xsd:element ref="waiting"/>
<xsd:element ref="passing"/>
</xsd:sequence>
</xsd:choice>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
Stano Paska
<paska(_at_)kios(_dot_)s To:
xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
k> cc: (bcc: omprakash.v/Polaris)
Subject: [xsl] DTD to Scheme
02/02/2005
10:53 AM
Please
respond to
xsl-list
Hi,
I need rewrite som DTD into XML Schema.
I have problem with one part.
In element "item" there may be three combinations of waiting/passing
elements:
one waiting, one passing, or both.
In DTD it is easy and it works:
<!ELEMENT item (risid,(waiting|passing|(waiting,passing)))>
In Scheme it is easy, but it does not work:
<xsd:element name="item">
<xsd:complexType>
<xsd:sequence>
<xsd:element ref="risid"/>
<xsd:choice>
<xsd:element ref="waiting"/>
<xsd:element ref="passing"/>
<xsd:sequence>
<xsd:element ref="waiting"/>
<xsd:element ref="passing"/>
</xsd:sequence>
</xsd:choice>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
:0,0: Complex type 'C0' violates the Unique Particle Attribution rule in
its components 'waiting' and 'waiting'
It is possible to write corresponding schema?
Thanks for your solutions.
Stano.
Attachments:
-----------------
test.xml
-----------------
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE result SYSTEM "d:\praca\lucia\klient\dtd.dtd">
<result>
<item>
<risid>DE307001001223</risid>
<waiting>
<average>13.99</average>
<deviation>6.27</deviation>
<count>4</count>
</waiting>
<passing>
<average>13.99</average>
<deviation>6.27</deviation>
<count>4</count>
</passing>
</item>
</result>
----------------
DTD
----------------
<?xml version="1.0" encoding="UTF-8"?>
<!ELEMENT result (item+|error)>
<!ELEMENT error (#PCDATA)>
<!ELEMENT item (risid,(waiting|passing|(waiting,passing)))>
<!ELEMENT risid (#PCDATA)>
<!ELEMENT waiting (average,deviation,count)>
<!ELEMENT passing (average,deviation,count)>
<!ELEMENT average (#PCDATA)>
<!ELEMENT deviation (#PCDATA)>
<!ELEMENT count (#PCDATA)>
-----------------
Scheme
-----------------
<?xml version="1.0" encoding="UTF-8"?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema";>
<!-- simple elements -->
<xsd:element name="risid" type="xsd:string"/>
<xsd:element name="average" type="xsd:decimal"/>
<xsd:element name="deviation" type="xsd:decimal"/>
<xsd:element name="count" type="xsd:nonNegativeInteger"/>
<xsd:element name="error" type="xsd:string"/>
<!-- complex elements -->
<xsd:complexType name="record">
<xsd:sequence>
<xsd:element ref="average"/>
<xsd:element ref="deviation"/>
<xsd:element ref="count"/>
</xsd:sequence>
</xsd:complexType>
<xsd:element name="waiting" type="record"/>
<xsd:element name="passing" type="record"/>
<xsd:element name="item">
<xsd:complexType>
<xsd:sequence>
<xsd:element ref="risid"/>
<xsd:choice>
<xsd:element ref
="waiting"/>
<xsd:element ref
="passing"/>
<xsd:sequence>
<xsd:element
ref="waiting"/>
<xsd:element
ref="passing"/>
</xsd:sequence>
</xsd:choice>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:element name="result">
<xsd:complexType>
<xsd:choice>
<xsd:element ref="error"/>
<xsd:element ref="item" maxOccurs
="unbounded"/>
</xsd:choice>
</xsd:complexType>
</xsd:element>
</xsd:schema>
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