FW: "named types" for XLIFF XSD

Title: Message

This 
is a topic Christian would like to introduce at the upcoming XLIFF TC 
Meeting.

 

-----Original Message-----
From: Doug Domeny 
[mailto:] 
Sent: Wednesday, September 05, 2007 
2:28 PM
To: Lieske, Christian; Schnabel, Bryan S
Subject: 
RE: "named types" for XLIFF XSD

Sorry, it took awhile 
for me to get some time to look at this. Thanks for your 
thoughts.

 

I'm in favor making 
extensive use of global types. It provides extensibility of the schema thereby 
making it easier to adopt without changing the XLIFF specification itself. 

 

If there are technical 
problems in the OASIS release process with changing the XSD files, then we can 
provide them as non-normative collateral.

 

Regards,

Doug

 

From: Lieske, 
Christian [mailto:] 
Sent: Tuesday, August 21, 2007 12:39 
PM
To: Doug Domeny; 

Subject: "named types" for XLIFF 
XSD

 

Hi there,

 

Some more material …

 

Cheers,

Christian

 

Only after I have created a new global 
complexType (e.g. for “file”), given a name to the type, and of course used the 
type for the declaration of the element …

 

<xsd:element 
name="file" 
type="xlf:fileType">

 

            
<xsd:complexType 
name="fileType">

                        
<xsd:sequence>

                                   
<xsd:element 
ref="xlf:header" 
minOccurs="0"/>

                                   
<xsd:element 
ref="xlf:body"/>

                        
</xsd:sequence>

…

</xsd:complexType>

 

I have been able to work with I call “type 
substitution” or “redefine” …

 

A.     
Type 
substitution

 

<xsd:schema 
xmlns:xsd="http://www.w3.org/2001/XMLSchema" 
xmlns:xlf="urn:oasis:names:tc:xliff:document:1.2" 
elementFormDefault="qualified" 
attributeFormDefault="unqualified">

            
<xsd:import 
namespace="urn:oasis:names:tc:xliff:document:1.2" 
schemaLocation="xliff-core-1.2-strict-xliff-24072007-namedTypes.xsd"/>

            
<xsd:complexType 
name="fileType">

                        
<xsd:complexContent>

                                   
<xsd:restriction 
base="xlf:fileType">

                                               
<xsd:sequence>

                                                           
<xsd:element 
ref="xlf:header" 
minOccurs="0"/>

                                                           
<xsd:element 
ref="xlf:body"/>

                                               
</xsd:sequence>

                                   
</xsd:restriction>

                                   
<!--<xsd:extension 
base="xlf:fileType">-->

                                   
<!--</xsd:extension>-->

                        
</xsd:complexContent>

            
</xsd:complexType>

</xsd:schema>

 

B.     
Redefine

 

<xsd:schema 
xmlns:xlf="urn:oasis:names:tc:xliff:document:1.2" 
xmlns:xsd="http://www.w3.org/2001/XMLSchema" 
targetNamespace="urn:oasis:names:tc:xliff:document:1.2" 
elementFormDefault="qualified" 
attributeFormDefault="unqualified">

            
<xsd:redefine 
schemaLocation=" 
xliff-core-1.2-strict-xliff-24072007-namedTypes.xsd 
">

                        
<xsd:complexType 
name="fileType">

                                   
<xsd:complexContent>

                                               
<xsd:restriction 
base="xlf:fileType">

                                                           
<xsd:sequence>

                                                                       
<xsd:element 
ref="xlf:header" 
minOccurs="0"/>

                                                           
            
<xsd:element 
ref="xlf:body"/>

                                                           
</xsd:sequence>

                                               
</xsd:restriction>

                                   
</xsd:complexContent>

                        
</xsd:complexType>

            
</xsd:redefine>

</xsd:schema>

Christian 
Lieske
MultiLingual Technology 
Solutions (MLT)
SAP Language Services (SLS)
SAP Globalization 
Services
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AG
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