[Development] format-like tr()

[Thiago Macieira]

On Thursday 24 October 2024 09:54:43 Pacific Daylight Time Giuseppe D'Angelo 
via Development wrote:
> > This is what I'm more worried about: telling the string-extraction tools
> > that don't really understand C++ that this is a string with plurals. I
> > don't know if they need to: is it acceptable for the translator to simply
> > supply 2-5 different forms? Or does the tooling -- and this is both
> > .ts/.qm and .po/.mo files -- need to know that multiple forms are
> > possible? Will Linguist allow the translator to enter 2-5 different
> > translations?
> 
> 
> Maybe I'm missing something, but the tooling does all of this already: 
> lupdate extracts all the strings in tr() calls, and linguist allows me 
> to add several translated forms, depending on the target language (for 
> Italian: singular/plural; for Polish: singular, paucal, plural...).
> 
> What do we need to change here exactly?

Maybe nothing, but I don't know. That's why I am asking.

Does the tooling allow entering multiple translated variants for *any* 
translatable string? Or does it need to know that the original has a plural 
form?

> I'm actually thinking that we may be missing a use case: tr() can be 
> called with a string that does NOT contain %n. In this case, the 
> quantity parameter is only used to look up which plural form to 
> translate to; the developer can then use e.g. arg() replacements, and 
> with those, manage localization, precision and what not:

I don't think this should be allowed. The number of replacement fields in the 
string and the number of parameters passed to trFormat() must match.

> > tr("You bought a total of %L1 apple(s)", n).arg(n) // localized and
> > pluralized
> 
> We likely need to find a way to support this as well?

trFormat("You bought a total of {:Ln} apple(s)", Qt::Cardinality(n));

-- 
Thiago Macieira - thiago.macieira (AT) intel.com
  Principal Engineer - Intel DCAI Platform & System Engineering
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