- From: Mark Baker <distobj@acm.org>
- Date: Tue, 8 Sep 2009 11:18:48 -0400
- To: Robin Berjon <robin@berjon.com>
- Cc: public-webapps <public-webapps@w3.org>
On Tue, Sep 8, 2009 at 7:41 AM, Robin Berjon<robin@berjon.com> wrote:
> On Sep 8, 2009, at 00:21 , Mark Baker wrote:
>>
>> On Wed, Sep 2, 2009 at 10:33 AM, Robin Berjon<robin@berjon.com> wrote:
>>>
>>> On May 23, 2009, at 19:21 , Mark Baker wrote:
>>>>
>>>> Right. That's the same point Arve made. I don't see a problem with
>>>> it. Sure, a widget will be able to discover an implementation detail
>>>> of its widget container - the base URI - but it's still up to the
>>>> container to permit or deny access to other resources from that widget
>>>> when asked to dereference it, whether the widget discovered the URI
>>>> via a mechanism such as the one you describe, or even if it simply
>>>> guessed it.
>>>
>>> Calling it an implementation detail doesn't make it one. Say I have a
>>> script
>>> in which I need to identify resources that I'm currently using from
>>> within
>>> the widget. Since I don't want to have to care how the designers linked
>>> them
>>> in, I'll use their absolute URIs to compare them. If implementation A
>>> returns "http://magic-widget-host.local/dahut.svg", and implementation B
>>> "file:///special-widget-mount/dahut.svg", and C gives me
>>> "made-up:/dahut.svg
>>> we don't exactly have interoperability.
>>
>> I don't understand. In what scenario would a script be comparing URIs
>> produced by different implementations?
>
> Know which section you're in to highlight a given button:
>
> function getSection () {
> return location.href.replace(/^http:\/\/magic.local\/([^\/]+).*/,
> "$1").toLowerCase();
> }
>
> I won't say that it's necessarily the best-written code, but it's not daft
> enough to be shrugged off and it's not particularly contrived. It's easy to
> come up with a bunch of similar cases. If you get one implementation with
> more market-share than the others, then they'll have to copy its behaviour,
> and we'll then have to specify it.
The regex could just as easily have been written to exclude the
authority component of the URI. Do you have a better example?
Mark.
Received on Tuesday, 8 September 2009 15:19:29 UTC