On Wed, Jan 26, 2011 at 5:09 PM, Jeremy Volkman <[email protected]> wrote: > Here's my stab at a Wayland schema written in RELAX NG. It can be converted > to a W3C schema if preferred, but RELAX NG provides more functionality. For > example, the schema is able to require an "interface" attribute for an > argument only if the argument type is "object" or "new_id". > -Jeremy
Is there a tool that can verify the protocol against the schema? Kristian > 2011/1/26 Kristian Høgsberg <[email protected]> >> >> 2011/1/26 Casey Dahlin <[email protected]>: >> > On Wed, Jan 26, 2011 at 01:40:25PM -0500, Kristian Høgsberg wrote: >> >> 2011/1/26 Josh Leverette <[email protected]>: >> >> > I'm not certain, but I think there could eventually be enough >> >> > variation for that to be needed. However, even if there isn't, parsing >> >> > an >> >> > XML file might be a better long term solution that weakly linked >> >> > functions >> >> > and things like that. Perhaps we could modify his idea about an XML >> >> > profile >> >> > structure to allow you to delve into each supported profile and find out >> >> > more about what it supports without having to hard code acceptable >> >> > version >> >> > numbers into a program. The only problem I foresee is how to modify the >> >> > XML >> >> > file. It's not going to be the end user's job.. but if any program could >> >> > modify it there needs to be a fallback system to prevent a rogue program >> >> > from deleting other profile advertisements written in by the system or >> >> > other >> >> > programs. >> >> >> >> The XML file isn't used at runtime. It's just a convenient mechanism >> >> to describe the interface. The way it works is that a client connects >> >> to the server and the server will then advertise all the global >> >> objects available by giving their object id, interface name and >> >> version. A client can then look through the list to see what's >> >> available and adjust its behaviour accordingly. >> >> >> >> Kristian >> >> >> > >> > Does the XML file have a particular schema? >> > >> > It might be useful to install it in /usr/share so it could be used by >> > tools. I'm thinking mostly of a d-feet style introspection tool for the >> > Wayland protocol (we could even go as far as dynamically adaptable >> > bindings for languages like Ruby or Python). >> >> I didn't actually write a schema for it, but if somebody with the >> right XML-fu could do that that would be nice. It's a good point that >> dynamic languages probably just want to parse the XML directly and >> generate the bindings on the fly and for that we would need to install >> the XML. As for introspection/logging/xscope, that's built into the >> server side library: set WAYLAND_DEBUG=1 and watch the requests and >> events fly by. >> >> Kristian >> _______________________________________________ >> wayland-devel mailing list >> [email protected] >> http://lists.freedesktop.org/mailman/listinfo/wayland-devel > > > _______________________________________________ > wayland-devel mailing list > [email protected] > http://lists.freedesktop.org/mailman/listinfo/wayland-devel > > _______________________________________________ wayland-devel mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/wayland-devel
