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RE: Schema Sanity Check

• To: "Steven Livingstone" <s.livingstone@b...>,<xml-dev@l...>
• Subject: RE: Schema Sanity Check
• From: "Dare Obasanjo" <dareo@m...>
• Date: Thu, 22 Aug 2002 12:44:51 -0700
• Thread-index: AcJKDaSfh/0rAADeTnmsc4tZO9ntHAABmR7S
• Thread-topic: Schema Sanity Check

This is a known bug[0] which should be fixed in a future release. 
 
[0] http://support.microsoft.com/default.aspx?scid=kb;en-us;Q317353

	-----Original Message----- 
	From: Steven Livingstone [mailto:s.livingstone@b...] 
	Sent: Thu 8/22/2002 11:56 AM 
	To: Dare Obasanjo; xml-dev@l... 
	Cc: 
	Subject: RE:  Schema Sanity Check
	
	

	So I tried the suggestion, but although MSXML 4.0 seems to have no
	problem, the .Net version still seems to complain about the <b> element
	having no schema :S
	
	<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">      
	        <xsd:element name="name">
	                <xsd:complexType>
	                        <xsd:sequence>
	                                <xsd:element name="first">
	                                   <xsd:complexType>
	                                        <xsd:sequence>
	                                                <xsd:any
	namespace="##any" processContents="skip"  minOccurs="0"
	maxOccurs="unbounded"/>
	                                        </xsd:sequence>
	                                   </xsd:complexType>
	                                </xsd:element>
	                                <xsd:element name="middle"
	type="xsd:string" />
	                                <xsd:element name="last"
	type="xsd:string" />                           
	                        </xsd:sequence>        
	                </xsd:complexType>
	        </xsd:element>
	</xsd:schema>
	
	<?xml version="1.0"?>
	<name>
	        <first><b>Steven</b></first>
	        <middle />
	        <last>Livingstone-Perez</last> 
	</name>
	
	-----Original Message-----
	From: Dare Obasanjo [mailto:dareo@m...]
	Sent: 22 August 2002 19:24
	To: Steven Livingstone; xml-dev@l...
	Subject: RE:  Schema Sanity Check
	
	
	Looking at the complex type definition for the ur-type[0] we note that
	its {content type} has a particle whose {term} is a sequence whose
	{particles} contains a single {term} which is wildcard with namespace
	constraint set to any.
	
	In short, the content of a complex type of type xs:anyType is anything
	from any namespace. However, the default value of processContents[1] for
	a wildcard is strict meaning that a schema must be provided for each of
	the elements [or attributes] that appear in the content model.
	
	So you can either provide a schema for all the extra elements and
	attributes appearing as part of the <first> element or create a type
	whose wildcard has processContents set to skip or lax and use that type
	instead of xs:anyType.
	
	
	[0] http://www.w3.org/TR/xmlschema-1/#ur-type-itself
	[1] http://www.w3.org/TR/xmlschema-1/#process_contents
	
	        -----Original Message-----
	        From: Steven Livingstone [mailto:s.livingstone@b...]
	        Sent: Thu 8/22/2002 10:44 AM
	        To: xml-dev@l...
	        Cc:
	        Subject:  Schema Sanity Check
	       
	       
	
	        Do the following Schema and instance look ok?
	        I keep getting an error saying the "<b>" elements are not
	declared, but
	        the type if first is anyType so should this not be anything I
	want??
	        Tried using MSXML 4.0 and .Net Schema classes.
	       
	        <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">     
	                <xsd:element name="name">
	                        <xsd:complexType>
	                                <xsd:sequence>
	                                        <xsd:element name="first"
	        type="xsd:anyType" />         
	                                        <xsd:element name="middle"
	        type="xsd:string" />
	                                        <xsd:element name="last"
	        type="xsd:string" />                          
	                                </xsd:sequence>       
	                        </xsd:complexType>
	                </xsd:element>
	        </xsd:schema>
	       
	        <?xml version="1.0"?>
	        <name xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	                xsi:noNamespaceSchemaLocation="schema.xsd">
	                <first><b>Steven</b></first>
	                <middle />
	                <last>Livingstone-Perez</last>
	        </name>
	       
	        Thanks,
	        Steven
	       
	       
	       
	       
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