XIncProc XPointer Processor > Element Scheme >

Bad Element Scheme expression

What's up when element expression is not well formed ?

If either the NCName or the child sequence does not locate an element, no element is identified by the pointer part as a whole.

Example

Given a simple xml :

            <catalog>
                <book id="book1">
                    <author id="auth1">Gambardella, Matthew</author>
                    <title>XML Developer's Guide</title>
                    <genre id="bk101">Computer</genre>
                    <price>44.95</price>
                    <publish_date>2000-10-01</publish_date>
                    <description>An in-depth look at creating applications
                        with XML.</description>
                </book>
            </catalog>

Expressions matching nodes:

Pointer content	Result	ErrorHandler
element(///)		Error: bad element scheme data '///' Unknown pointer expression

The element() scheme does not use the namespace binding context because it does not support qualified names.

Example

Given the same xml document than previous example.

Pointer content	Result	ErrorHandler
element(no:book1)		Error: bad element scheme data 'no:book1' Unknown pointer expression