Hi,
Nigel McFarlane has written-up a story for DevX
titled "Longhorn and Mozilla: Birds of a Feather" that
shows that the hyped up Windows Longhorn architecture
is hardly new but from 10,000 feet looks remarkably
similar to Mozilla's architecture.
In the "Similarities Extend to Code" section Nigel
writes:
So Longhorn and Mozilla have architectural
similarities—so what? As developers, the more
important question is whether the software development
processes for the two platforms is also alike. Yes,
they are. The following code shows a simple Longhorn
XAML-based application that creates a window
containing some text and a button.
<Window
xmlns="http://schemas.microsoft.com/2003/xaml";>
<TextPanel>
Some Text<Button>Press Me</Button>
</TextPanel>
</Window>
This XML document is a finished, if simplistic,
application containing proprietary tags that specify
or modify the layout of the window. Here's the same
application written in Mozilla's XUL.
<window xmlns="http://www.mozilla.org/
keymaster/gatekeeper/there.is.only.xul">
<description>
Some Text<button>Press Me</button>
</description>
</window>
As you can see, the namespaces and tag names differ,
but otherwise, the code listings for the two
applications are essentially identical. The resulting
applications behave identically, too—right down to the
multi-line reflow that occurs when users resize the
application windows using the mouse. There are some
differences. Longhorn currently uses a compiler.
Mozilla uses an interpreter.
Nigel concludes the article:
It is true, though, that XML literacy is an absolute
must for developers of the future. Welcome to the bold
new world of declarative XML application development.
Full story @ http://www.devx.com/DevX/Article/17899
or http://www.devx.com/DevX/Article/17899/1954?pf=true
- Gerald
PS: If you just tuned in to the XUL News Wire, Nigel
McFarlane's 800-page XUL thriller is going to hit the
bookstores any minute now. For details check out the
XUL Alliance bookshelf @ http://xul.sourceforge.net/books.html
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