Re: Map Support (was: Re: [Webmacro-devel] #templet directive)

[Keats <kea...@di...>]

Eric,

This is way cool!  Personally I'd vote for colons, but I can live with the
"=>" if there is some advantage to this.

You rock.

Keats
----- Original Message -----
From: "Eric B.Ridge" <eb...@tc...>
To: "Keats" <ke...@ea...>; <web...@li...>
Sent: Tuesday, May 13, 2003 1:34 AM
Subject: Map Support (was: Re: [Webmacro-devel] #templet directive)


> <snip>
> > A built-in Map declaration syntax would help here.  E.g.,
> <snip>
> > Since I don't see this coming anytime soon, how about a $map function:
>
> Disclaimer:  I only spent an hour and 15 minutes on this...
>
> I've just committed some highly experimental Map support into CVS.
>
> #set $map = { "key" => "value", "foo" => "bar" }
> $map.key
> $map.foo
>
> Along with all the variants such as a map of maps, an empty map (#set
> $foo = {}), and of course using $variables as keys and values.
>
> I haven't written test cases yet, but some quick-n-dirty standalone
> testing shows it works, PLUS all existing test cases still pass.  woo
> hoo!
>
> We can tweak the syntax, but I *really* like having the curly braces
> around the map.  Plus, I tried to make it work with square brackets but
> javacc got confused with lists, and I don't understand LOOKAHEAD yet.
>
> Right now it uses a java.util.HashMap as the backing store, but I'd
> like to somehow make this configurable via WebMacro.properties, so we
> can use any Map implementation.  Maybe TreeMap or some custom
> CaseInsensitiveStringKeyMapThingie  so $map.Key and $map.keY are the
> same thing.
>
> Who knows.   But I think this is a good start.
>
> eric
>
>