> no, here is uli ;-) joern doesn't have to do all this stuff alone.
Hi Uli. Thanks for stepping in to lighten the load on Joern. ;-)
> thanks for the detailed report. accidently, i ran into a similar
> situation. i just fixed it. see below.
Most excellent....
> good analysis. the reason for this special attribute handling is the use
> of JXPath. usually, we use it throughout chiba for the xpath stuff and
> it does a great job. but when it comes to attributes problems arise.
> here we have the problem, that JXPath returns the *value* instead of the
> *node* when calling pointer.getNode() for an attribute.
Thanks...I figured the root cause was something to do with JXPath handling of
attributes.
> your patch seems to be completely ok for your purpose. i found a more
> general solution. just put code like
>
> String canonicalPath =
> this.instanceContext.getPointer(locationPath).asPath();
>
> before the if-statement and replace all subsequent occurrences of
> 'locationPath' in the method with 'canonicalPath', which leads to
>
> if (canonicalPath.indexOf('@') > -1) {
> int index = canonicalPath.lastIndexOf('/');
> ...
>
> and so on.
>
> this does the trick, since getPointer().asPath() canonicalizes the
> specified path and we can safely look for the '@' character. for your
> example this means:
>
> locationPath = "/root/name[@id='name1']"
> canonicalPath = "/root[1]/name[1]"
I just replaced my "hacks" (I had actually solved a more general case, but
not as elegantly as you had, not knowing the JXPath API much) and texted it
out...works fine on my very complex application!
> just checked in my changes so the bug is fixed in the upcoming 0.9.3
> release. fine ?
Many thanks!
Andrzej Jan Taramina
Chaeron Corporation: Enterprise System Solutions
http://www.chaeron.com
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