Re: [xml] Availability of libxml2-2.9.4 release candidate 2 - regexp

[Daniel Veillard <veillard redhat com>]

On Mon, May 09, 2016 at 11:35:28AM +0100, Pete Cordell wrote:
> On 09/05/2016 10:26, Daniel Veillard wrote:
> >   Hi Pete,
> >
> > On Mon, May 09, 2016 at 10:02:28AM +0100, Pete Cordell wrote:
> > > Thanks Daniel.  I've managed to verify that the ab?c{0,1} pattern now works.
> > > But the following pattern still appears to fail:
> > >
> > > =>((2{1,2}|24)\.){2}2
> > > #fails
> > > 24.24.2
> >
> >   Right, I gave it 30mn, looked at the graph buildup, epsilon transition
> > and state reduction, and then the advance through the state machine
> > (it's a non-determinist one with rollbacks) and somehow the rollback to pick
> > 24 instead of 2{1,2} works in the first 24. occurence but not the second
> > one, didn't finished and decided to let this for after the rc2 release
>
> Rather you than me :-)  Thanks for trying.  I mainly wanted to make sure
> that you hadn't missed it as it was buried at the end of a message after
> quite a lot of noise!

  :-)

> > > Also, I see you haven't had a chance to put the test vectors in the
> > > test/regexp dir.  If you let me know what form you'd like them in I could
> > > submit something as a patch / copy of files / whatever.
> >
> >   a git diff with the new tests and results would be great if you can
> > provide it :-)
>
> Is this OK?  I used git format-patch.  I'm new to submitting diffs!  If you
> want another format let me know.

Yup, just add it as an attachment instead, it's easier to process and avoid
mail agents and tools to mess with the content. Also would need to results ;-)

Daniel

> ---------------------
>
> Date: Mon, 9 May 2016 11:08:26 +0100
> Subject: [PATCH] Additional regexp test vectors
>
> ---
>  test/regexp/multiple-rollback-paths |  3 +++
>  test/regexp/optional-as-zero-one    | 15 +++++++++++++++
>  2 files changed, 18 insertions(+)
>  create mode 100644 test/regexp/multiple-rollback-paths
>  create mode 100644 test/regexp/optional-as-zero-one
>
> diff --git a/test/regexp/multiple-rollback-paths
> b/test/regexp/multiple-rollback-paths
> new file mode 100644
> index 0000000..98bc5c3
> --- /dev/null
> +++ b/test/regexp/multiple-rollback-paths
> @@ -0,0 +1,3 @@
> +=>((2{1,2}|24)\.){2}2
> +#fails
> +24.24.2
> diff --git a/test/regexp/optional-as-zero-one
> b/test/regexp/optional-as-zero-one
> new file mode 100644
> index 0000000..0c696f1
> --- /dev/null
> +++ b/test/regexp/optional-as-zero-one
> @@ -0,0 +1,15 @@
> +=>ab?c{0,1}
> +a
> +ab
> +abc
> +ac
> +=>ab?c?
> +a
> +ab
> +abc
> +ac
> +=>ab{0,1}c{0,1}
> +a
> +ab
> +abc
> +ac
> -- 
> 2.5.3.windows.1
>
> -----------------------
>
> Thanks again,
>
> Pete.

-- 
Daniel Veillard      | Open Source and Standards, Red Hat
veillard redhat com  | libxml Gnome XML XSLT toolkit  http://xmlsoft.org/
http://veillard.com/ | virtualization library  http://libvirt.org/