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

[Eric B. R. <eb...@tc...>]

On Tuesday, May 13, 2003, at 03:42  PM, Keats wrote:

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

Colons works for me too.  => is kinda tricky to type.  I'll try to 
change it tonight.

eric


> 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
>>
>>
>