On Tue, 7 Apr 2020 10:43:52 +0200 Ancor Gonzalez Sosa <an...@suse.de> wrote:
> On 2020-04-06 21:38, Arvin Schnell wrote: > > On Mon, Apr 06, 2020 at 05:15:46PM +0200, josef Reidinger wrote: > > > >> as you can read in previous mails, I am playing with xml parser used in > >> YaST. Nokogiri looks like the best option due to its relax ng support and > >> its availability in SLE (used in SLES-HA). > >> > >> And nokogiri has also one interesting feature and that is relaxed parsing > >> that tries hard to parse document even when it is malformed[1] ( but you > >> can still log errors). > >> Example that nokogiri can parse: > >> <test> > >> <not_closed> > >> <not_closed2> > >> value > >> </not_opened> > >> </test> > >> > >> which results in something like test -> not_closed -> not_closed2 -> value > >> tree > >> > >> I check old yast yast parser and it is strict here and return nil and set > >> error. > >> Question is should we keep old behavior or try to relax it and just logs > >> errors and warnings? For working profiles nothing changes. > > > > I think there parser should continue to be strict. Just imagine > > people start to use broken XML as AutoYaST profiles. Years later > > we cannot change the XML parser implementation because it behaves > > different for those broken profiles and people complain that we > > break compatibility. > > I agree. Let's be strict and fail early. Let's not perpetuate the mistakes. > > > Also see the criticism section in > > https://en.wikipedia.org/wiki/Robustness_principle. > > That's kind of similar to the idea of making errors during installation > visible right away, instead of trying to hide them and just continue the > process pretending nothing happened. > > Cheers. Thanks for both opinion. So I will use strict behavior. Josef -- To unsubscribe, e-mail: yast-devel+unsubscr...@opensuse.org To contact the owner, e-mail: yast-devel+ow...@opensuse.org