- From: George Cristian Bina <george@oxygenxml.com>
- Date: Thu, 23 Jun 2005 11:56:52 +0300
- To: Hämmer Wolfgang <Wolfgang.Haemmer@swx.com>
- Cc: xmlschema-dev@w3.org
Hi Wolf,
Then you can do that with substitution groups. You can define an
abstract element of the expected type, make the type final and then in
the instance there will be accepted only elements of that type that can
substitute the abstract element.
Here it is an example:
sample.xsd schema:
<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
<xs:element name="root">
<xs:complexType>
<xs:choice maxOccurs="unbounded">
<xs:element ref="common"/>
</xs:choice>
</xs:complexType>
</xs:element>
<xs:element name="common" abstract="true" type="CommonType"/>
<xs:complexType name="CommonType" mixed="true" final="#all">
<xs:sequence>
<xs:element name="LocalVariables" minOccurs="1" maxOccurs="1">
<xs:complexType>
<xs:choice>
<xs:sequence>
<xs:element name="l_start" minOccurs="1"
maxOccurs="1"/>
<xs:element name="l_end" minOccurs="1"
maxOccurs="1"/>
</xs:sequence>
<xs:sequence>
<xs:element name="l_first" minOccurs="1"
maxOccurs="1"/>
<xs:element name="l_second" minOccurs="1"
maxOccurs="1"/>
<xs:element name="l_third" minOccurs="1"
maxOccurs="1"/>
</xs:sequence>
</xs:choice>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
<xs:element name="TableDrop" type="CommonType"
substitutionGroup="common"/>
<xs:element name="Sizes" type="CommonType" substitutionGroup="common"/>
</xs:schema>
valid instance:
<?xml version="1.0" encoding="UTF-8"?>
<root xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:noNamespaceSchemaLocation="sample.xsd">
<TableDrop>
public string code (string l_p) {
return l_first + l_p + l_second + l_p + l_third;
}
<LocalVariables>
<l_first>
aString = _T("drop table </l_first>
<l_second>
"); hr = Oc.Execute( aString );
if ( FAILED(hr) ) _tprintf(_T("Oc.Execute drop
table failed with EBSc_TAB_</l_second>
<l_third>
"));
</l_third>
</LocalVariables>
</TableDrop>
<Sizes>
public string code (string l_p) { return l_start + l_p + l_end;}
<LocalVariables>
<l_start>//TYPEDEF[attribute::name=</l_start>
<l_end>]/attribute::size</l_end>
</LocalVariables>
</Sizes>
</root>
Hope that helps,
George
---------------------------------------------------------------------
George Cristian Bina
<oXygen/> XML Editor, Schema Editor and XSLT Editor/Debugger
http://www.oxygenxml.com
Hämmer Wolfgang wrote:
> Salut George,
>
> Thank you for your help!
>
> The problem with this solution is that I do not know in advance what the name of the element will be. I would like ot be able to write ...
>
> Expect an element x of type CommonType of unknown name.
>
> Best regards, Wolf
>
> -----Original Message-----
> From: George Cristian Bina [mailto:george@oxygenxml.com]
> Sent: Donnerstag, 23. Juni 2005 10:06
> To: Hämmer Wolfgang
> Cc: xmlschema-dev@w3.org
> Subject: Re: NewBie Question
>
>
> Hi Wolf,
>
> You can reuse a type in XML schema if you define that is a global type
> definition and then set that type to the elements that you want to have
> the same content. Something like below:
>
> <xs:complexType name="CommonType" mixed="true">
> <xs:sequence>
> <xs:element name="LocalVariables" minOccurs="1" maxOccurs="1">
> <xs:complexType>
> <xs:choice>
> <xs:sequence>
> <xs:element name="l_start" minOccurs="1"
> maxOccurs="1"/>
> <xs:element name="l_end" minOccurs="1"
> maxOccurs="1"/>
> </xs:sequence>
> <xs:sequence>
> <xs:element name="l_first" minOccurs="1"
> maxOccurs="1"/>
> <xs:element name="l_second" minOccurs="1"
> maxOccurs="1"/>
> <xs:element name="l_third" minOccurs="1"
> maxOccurs="1"/>
> </xs:sequence>
> </xs:choice>
> </xs:complexType>
> </xs:element>
> </xs:sequence>
> </xs:complexType>
> <xs:element name="TableDrop" type="CommonType"/>
> <xs:element name="Sizes" type="CommonType"/>
>
> Best Regards,
> George
> ---------------------------------------------------------------------
> George Cristian Bina
> <oXygen/> XML Editor, Schema Editor and XSLT Editor/Debugger
> http://www.oxygenxml.com
>
>
> Hämmer Wolfgang wrote:
>
>>Hello,
>>
>>this is something I wanted to ask for a long time ....
>>
>>
>>Is there a way using a xml schema to describe an element which name changes as in ...
>>
>> <TableDrop>
>> public string code (string l_p) {
>> return l_first + l_p + l_second + l_p + l_third;
>> }
>> <LocalVariables>
>> <l_first>
>> aString = _T("drop table </l_first>
>> <l_second>
>> "); hr = Oc.Execute( aString );
>> if ( FAILED(hr) ) _tprintf(_T("Oc.Execute drop table failed with EBSc_TAB_</l_second>
>> <l_third>
>> "));
>> </l_third>
>> </LocalVariables>
>> </TableDrop>
>> <Sizes>
>> public string code (string l_p) { return l_start + l_p + l_end;}
>> <LocalVariables>
>> <l_start>//TYPEDEF[attribute::name=</l_start>
>> <l_end>]/attribute::size</l_end>
>> </LocalVariables>
>> </Sizes>
>>
>>The elements TableDrop and Sizes have the same structure but bear different names.
>>
>>I would like to write something like ....
>>
>> <xs:element name='.*'>
>> <xs:complexType>
>> <xs:sequence>
>> <xs:element name="LocalVariables" minOccurs="1" maxOccurs="1">
>> <xs:complexType>
>> <xs:sequence>
>> <xs:element name="l_start" minOccurs="1" maxOccurs="1">
>> <xs:element name="l_end" minOccurs="1" maxOccurs="1">
>> <xs:sequence>
>> </xs:complexType>
>> </xs:element>
>> <xs:sequence>
>> </xs:complexType>
>> </xs:element>
>>
>>Thanks for your help!
>>
>>Kind regards, Wolf
>>
>>
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>>
>>
Received on Thursday, 23 June 2005 08:54:03 UTC