On Thursday 26 October 2006 02:12, Mathew Robertson wrote:
> >> Having read the thread, I don't think that's enough for me. I want to
> >> still need to explicitly specify "ESCAPE=HTML" everywhere (without
> >> having a default escape), to have an exception raised on a non-escaped
> >> occurence, and to add an explicit unescaping (like "ESCAPE="0"").
> >
> > Let me see if I've got this straight: you want to force the template
> > writer to include "ESCAPE=something" in every TMPL_VAR, where
> > "something" can be "HTML", "URL", or a value indicating "no escapes"
> > (say, "TEXT"); failure to do so would cause a catchable error in your
> > script when you try to evaluate the template. Right?
>
> hmm... it doesn't sound right at all. Forcing the developer to
> remember to have to type ESCAPE=... for every TMPL_VAR is just not
> right.
>
> I personally forget to even use NAME=... and I just about never
> quote the value either due to laziness.
>
> The reality is that people are lazy/forgetful/efficient - the
> general idea in life is to make life easier, not harder. I'd
> suggest just to use the functionality as is. ie: set default_escape
> to whatever the default is; when no escape is necessary, then the
> developer will explicitly say so.
>
In case you forget to do that, then perl will throw an exception and force you
to add that. So you won't get something bad for your laziness/forgetfulness.
Besides, this would be a sub-class of HTML::Template and no-one will be forced
to use it.
> >> So I guess I'm going to fire up my editor and write an HTML::Template
> >> sub-class.
> >
> > Probably. May I suggest a form for your subclass to take? Let
> > "default_escape" contain two additional values: "TEXT" (which means
> > the same as "0" above, and can also be used in 'ESCAPE=' to override
> > the default with no escaping), and "NONE" (which throws an exception
> > any time a TMPL_VAR lacks 'ESCAPE='). This will let you easily switch
> > to an appropriate default_escape value once transition to the new code
> > is complete.
>
> Please dont use "TEXT" to mean none - there is at least one filter
> that has been posted on this list which is for 'text' documents.
> ie: the filter is like the HTML filter, but also handles newlines &
> carriage returns, etc. How about "NONE" or "NO" or "0" to mean 'no
> escaping is necessary'.
>
> Also, "NONE" (as described above) should be "THROW" - the term is
> common in computer science, lets use it.
>
I'll use NONE.
Regards,
Shlomi Fish
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Shlomi Fish [EMAIL PROTECTED]
Homepage: http://www.shlomifish.org/
Chuck Norris wrote a complete Perl 6 implementation in a day but then
destroyed all evidence with his bare hands, so no one will know his secrets.
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