Re: [Ocaml-lib-devel] XML Light

[Olivier A. <ol...@us...>]

 Nicolas Cannasse [Wednesday 23 April 2003] :
 > > If you want my real opinion, after reading some of the Tim Bray
 > > discussions recently on the pros and cons of working with XML
 > >
 > > http://www.tbray.org/ongoing/When/200x/2003/03/16/XML-Prog
 > >
 > > I was looking forward to messing around with a regex style XML
 > > processor.  It looks much easier than any of the event, push,
 > > pull models of working with XML.
 > >
 > > Getting a Ocaml version of this would be cool and be a new
 > > direction in processing XML.
 > 
 > The OCaml pattern matching is enough for that, don't you think ?

 > OCaml :
 > 
 > let process = function
 >     | Elements ("meta",_,_) -> ()
 >     | Elements ("h1",_,_) | Elements ("h2",_,_) | Elements ("h3",_,_) |
 > Elements ("h4",_,_)  -> divert := "head"
 >     | Elements ("img",attr,_) as x -> proc_jpeg (Xml.attrib x "src")
 >     | ... (* and so on *)
 > in
 > let rec walk = function
 >     | PCData _ -> ()
 >     | Elements (_,_,children) as x ->
 >         process x;
 >         List.iter walk children
 > in
 > walk (Xml.parse_in stdin)

Here's another solution for reading XML : that's the xml lexer
included in the LablGTK sources. It's an ocamllex lexer and you can
parse the stream with a camlp4 parser.

-- 
   Olivier