Hi Alexey, It's very likely that you've hit XERCESJ-1102 [1] where the xml:base values are not being computed correctly. This is a long standing issue in the XInclude implementation.
Thanks. [1] https://issues.apache.org/jira/browse/XERCESJ-1102 Michael Glavassevich XML Technologies and WAS Development IBM Toronto Lab E-mail: [email protected] E-mail: [email protected] Alexey Neyman <[email protected]> wrote on 05/14/2013 05:03:36 PM: > Hi, > > I've noticed an issue with the xml:base fixup performed by Xerxes-J > parser: it > looks like Xerxes generates xml:base attribute relative to the top-level > document rather than relative to the base of the including nodeset. As far as > I understand the XInclude specification, it requires xml:base be relative to > the including nodeset (otherwise, the resulting nodeset cannot itself be > included from a document with a different base). My understanding ofXInclude > was also confirmed on the DocBook XSL mailing list: > > https://lists.oasis-open.org/archives/docbook-apps/201305/msg00052.html > "The XInclude spec says that xml:base attributes must be relative > to the closest ancestor xml:base. I'm pretty sure that is how Saxon 6 > behaves. If Saxon9 is generating xml:base attributes always relative > to the top level, then that is not what the XInclude spec says, nor > what the DocBook stylesheet expects." > > The issue is manifested in both Saxon and Xalan. Attached is a smalltestcase > that illustrates the issue. > > The expected output from the testcase is: > > 1.svg > dir/2.svg > 3.svg > dir/4.svg > dir/dir2/5.svg > > Xerces-based XSLT processors produce: > > 1.svg > dir/2.svg > dir/3.svg > dir/dir/4.svg > dir/dir/dir2/5.svg > > Note the extra "dir/" prepended to lines 3..5 - that's because thesefiles are > referenced from XMLs included from dir/2.xml. This is a result of inclusion: > > <elem1 xmlns:xi="http://www.w3.org/2001/XInclude";> > <a fileref="1.svg"/> > <elem2 xml:base="dir/2.xml"> > <a fileref="2.svg"/> > <elem3 xml:base="dir/../3.xml"> > <a fileref="3.svg"/> > </elem3> > <elem4 xml:base="dir/4.xml"> > <a fileref="4.svg"/> > </elem4> > <elem5 xml:base="dir/dir2/5.xml"> > <a fileref="5.svg"/> > </elem5> > </elem2> > </elem1> > > As you may see, the xml:base are inserted relative to the top-level document > base. > > Is it a bug in Xerxes? > > Regards, > Alexey. > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
