About the DOM API,

[Didier PH Martin]

Hi,

In our quest to find usable way to interface module with DOM interface, here
is what we found:

On the Linux platform, The project having the probability to have a certain
success is OrBit (From Red Hat Labs). The project has enough fundings and
actually progressing quite well. Also, the advantage is that the whole GTK+
project is based on CORBA objects implemented with OrBit IDL compiler and
have therefore the same binary interface. If GNOME has momentum on the Linux
platform we can say that OrBit will the the middleware of choice on Linux.
Thus, we found that a C++ implementation that would work on the Linux
platform could be implemented from Orbit generated code.

Also, if Mozilla XPCOM get up to speed, the other alternative is XPCOM.
XPCOM is very similar to DCOM and can with minimum amount of work be derived
from COM objects. The modifications being the C function to add to the
project to get the class factory. Everything else is the same and therefore
it is not expensive to support both XPCOM and COM. XPCOM could be very
interesting for OS2 platform support.

What now remains is the Mac platform. Does any people with Mac knowledge
could help?

Conclusion:
On Linux, A Orbit CORBA based implementation has more chance to work with
other modules because Orbit is the foundation for GTK+ itself the GNOME
glue. All Orbit modules have the same binary signature and can communicate
together with very low overhead (near function call speed).

On Windows a COM/XPCOM interface with also a common binary signature for the
DOM interface.

Regards
Didier PH Martin
mailto:martind at netfolder.com
http://www.netfolder.com


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