[stringtemplate-interest] Formatting vs. Escaping in an AttributeRenderer

[Udo Borkowski]

It looks like I still don't understand the context of your questions. Can you give a full "real life" example explaining your issues?

Udo

On 12.09.2011, at 04:28, Tobias Güntner wrote:

> Am 11.09.2011 23:17, schrieb Udo Borkowski:
>>> * It interferes with "normal" renderer usage, i.e., I can either escape
>>> or format, but not both.
>> 
>> There are several ways to solve this. Some time ago Colin Fagan
>> suggested a "MultiFormatStringRenderer" that allows specify multiple
>> "formats" in one "format" string.
> 
> Well, yes. But I am looking for a cleaner solution (even if this means I 
> have to wait for ST5). I don't want to end up with a Swiss army 
> knife^wrenderer which can handle dates, numbers, 19 custom model 
> objects, which knows 57 vital string transformations ("upper" plus 56 
> others) and 21 different escape modes, and which can make tea in 30 
> different locales - all controlled by a single format string which 
> requires a grammar to parse. ;)
> 
>>> * I have to remember to specify the correct format everywhere.
>> Seems like a good idea to me.
>> 
>> But maybe I don't get your point. Can you give a concrete example to
>> make it clearer?
> 
> It is not a good idea. If I have to remember doing something again and 
> again and again, I am bound to forget it now and then. If ST does it by 
> default, I cannot forget it. Consequence: I create less bugs.
> 
>> In your AttributeRenderer you need to check for the formatString.
> [...]
>> If you don't do this check you will get strange results, like the
>> [start]…[end] you saw.
> 
> What I don't understand: Why are string literals fed into an 
> AttributeRenderer? After all, it's an AttributeRenderer, not a 
> StringLiteralRenderer or TemplateOutputASecondTimeRenderer. ;)
> This just does not make sense to me.
> 
> Regards,
> Tobias
> 
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