[
Lists Home |
Date Index |
Thread Index
]
> -----Original Message-----
> From: Michael Kay [mailto:mike@saxonica.com]
> Sent: Friday, October 21, 2005 04:50
> To: 'Ashish Gupta'; xml-dev@lists.xml.org
> Subject: RE: [xml-dev] Getting attributes of XML from XSD...
>
>
> If the attributes are defined as fixed, then they must also
> be present in the XML instance
I thought that "fixed" did not imply "required". Indeed,
http://www.w3.org/TR/xmlschema-1/ says:
"fixed indicates that the attribute value if present must equal the supplied
constraint value, and if absent receives the supplied value as for default"
Alessandro Triglia
> , and a schema processor will
> validate that the value in the instance matches the fixed
> value in the schema. If you schema defines a default value,
> then a schema processor will extract the default value from
> the schema and insert it into the XML document. So the simple
> answer to your question is that you need to put your document
> through a schema processor: you can regard this as a
> processing stage that follows raw XML parsing. Java-based
> schema processors such as Saxon and Xerces will operate
> within a SAX pipeline so your application can still receive
> the data (augmented with default attribute values) as a
> stream of SAX events.
>
> Michael Kay
> http://www.saxonica.com/
>
>
>
>
> From: Ashish Gupta [mailto:guptash@gmail.com]
> Sent: 21 October 2005 08:44
> To: xml-dev@lists.xml.org
> Subject: [xml-dev] Getting attributes of XML from XSD...
>
>
> HI,
> I have one XML file which is confirming to one XSD. In XML,
> attributes can be optional. But in XSD, attributes are FIXED
> type and I want to extract the values of attributes from XSD
> if they are not present in XML file. I will be parsing the
> XML file using SAX. How can I get the attributes values from
> XSD? Please help me as I am stuck in one mission critical
> project. Thanks in advance.
> Regards,
> Ashish
>
|
