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The any Element
Definition and Usage
The any element enables the author to extend the XML document with elements
not specified by the schema.
Element Information
- Parent elements: choice, sequence
Syntax
<any
id=ID
maxOccurs=nonNegativeInteger|unbounded
minOccurs=nonNegativeInteger
namespace=namespace
processContents=lax|skip|strict
any attributes
>
(annotation?)
</any>
|
(The ? sign declares that the element can occur zero or one time inside the any element)
Attribute |
Description |
id |
Optional. Specifies a unique ID for the element |
maxOccurs |
Optional. Specifies the maximum number of times the any
element can occur in the parent element. The value can be any number >= 0,
or if you want to set no limit on the maximum number, use the value
"unbounded". Default value is 1 |
minOccurs |
Optional. Specifies the minimum number of times the any
element can occur in the parent element. The value can be any number >=
0. Default value is 1 |
namespace |
Optional. Specifies the namespaces containing the elements
that can be used. Can be set to one of the following:
- ##any - elements from any namespace is allowed (this is default)
- ##other - elements from any namespace that is not the namespace of the
parent element can be present
- ##local - elements must come from no namespace
- ##targetNamespace - elements from the namespace of the parent element
can be present
- List of {URI references of namespaces, ##targetNamespace, ##local} -
elements from a space-delimited list of the namespaces can be present
|
processContents |
Optional. Specifies how the XML processor should handle
validation against the elements specified by this any element. Can be set to
one of the following:
- strict - the XML processor must obtain the schema for the required
namespaces and validate the elements (this is default)
- lax - same as strict but; if the schema cannot be obtained, no errors
will occur
- skip - The XML processor does not attempt to validate any elements
from the specified namespaces
|
any attributes |
Optional. Specifies any other attributes with non-schema
namespace |
Example 1
The following example shows a declaration for an element called "person".
By using the <any> element the author can extend (after <lastname>) the content
of "person" with any element:
<xs:element name="person">
<xs:complexType>
<xs:sequence>
<xs:element name="firstname" type="xs:string"/>
<xs:element name="lastname" type="xs:string"/>
<xs:any minOccurs="0"/>
</xs:sequence>
</xs:complexType>
</xs:element>
|
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