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Re: [xml] xinclude on same resource - xpointer="element(c2/1)" fails

Hi Sabine,

I think you will find a bug report to this effect in the Gnome Bugzilla.
Search for "XInclude", you should be able to find it easily.

This is not to say "leave it, it's been reported" -- by no means, that
report is actually years old. But possibly, if you add to it and
elaborate on it, the day when it's marked as FIXED shall approach
quicker than it would otherwise.

Keeping my fingers crossed,

  Piotr


On 2010-01-29 00:26, c3459823592735 arcor de wrote:

Hi,

 I'm using xinclude with xpointer element()-scheme to include an existing element of the same resource at a 
different location. The following bar.xml gives an example. In cruft-element with ID "c4" I'm including 
<fnac>a</fnac>. In cruft-element with ID "c5" I'm trying to include <fnac>b</fnac>. In cruft-element "c6" 
I'm trying to include <fnac>c</fnac> and added therefore a href="bar.xml" to avoid any "Resource Error". 
I'm doing all this with IDs defined in bar.xsd. Here comes the complete example:

<bar xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xmlns:xi="http://www.w3.org/2001/XInclude";
xsi:noNamespaceSchemaLocation="bar.xsd">
<fnorb id="snip">
<cruft id="c1"><fnac>a</fnac></cruft>
<cruft id="c2"><fnac>b</fnac></cruft>
<cruft id="c3"><fnac>c</fnac></cruft>
<cruft id="c4"><xi:include xpointer="element(/1/1/1/1)"/></cruft>
<cruft id="c5"><xi:include xpointer="element(c2/1)"/></cruft>
<cruft id="c6"><xi:include href="bar.xml" xpointer="element(c3/1)"/></cruft>
</fnorb>
</bar>

While this first works fine with xmllint --xinclude bar.xml, the later two fail:

bar.xml:10: element include: XInclude error : detected a recursion in bar.xml
bar.xml:9: element include: XInclude error : XPointer evaluation failed: #elemen
t(c2/1)
bar.xml:9: element include: XInclude error : could not load bar.xml, and no fall
back was found
<?xml version="1.0" encoding="UTF-8"?>
<bar xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; xmlns:xi="http://www.
w3.org/2001/XInclude" xsi:noNamespaceSchemaLocation="bar.xsd">
        <fnorb id="snip">
                <cruft id="c1"><fnac>a</fnac></cruft>
                <cruft id="c2"><fnac>b</fnac></cruft>
                <cruft id="c3"><fnac>c</fnac></cruft>
                <cruft id="c4"><fnac>a</fnac></cruft>
                <cruft id="c5"><xi:include xpointer="element(c2/1)"/></cruft>
                <cruft id="c6"><xi:include href="bar.xml" xpointer="element(c2/1
)"/></cruft>
        </fnorb>
</bar>

Reading the recommendation at http://www.w3.org/TR/2006/REC-xinclude-20061115/#loops it says: " In other 
words, the following are all legal: [...]An xi:include element may identify a different part of the same 
local resource (same href, different xpointer)." This is what the first xi:include does successfully. I'm 
wondering why the other both don't work. Has anybody an idea?

To make the example complete, I append here the bar.xsd:

<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema";>
      <xs:import namespace="http://www.w3.org/XML/1998/namespace"/>
      <xs:element name="fnorb">
              <xs:complexType>
                      <xs:sequence>
                              <xs:element ref="cruft" maxOccurs="unbounded"/>
                      </xs:sequence>
                      <xs:attribute name="id" type="xs:ID" use="required"/>
              </xs:complexType>
      </xs:element>
      <xs:element name="cruft">
              <xs:complexType>
                      <xs:sequence>
                              <xs:element ref="fnac" maxOccurs="unbounded"/>
                      </xs:sequence>
                      <xs:attribute name="id" type="xs:ID" use="required"/>
              </xs:complexType>
      </xs:element>
      <xs:element name="fnac">
              <xs:complexType>
                      <xs:simpleContent>
                              <xs:extension base="xs:string"/>
                      </xs:simpleContent>
              </xs:complexType>
      </xs:element>
      <xs:element name="bar">
              <xs:complexType>
                      <xs:sequence>
                              <xs:element ref="fnorb"/>
                      </xs:sequence>
              </xs:complexType>
      </xs:element>
</xs:schema>

Kind regards,
Sabine


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