ngettext should be used in void delete_finished_tasks()

Bug #1549517 reported by Mingye Wang on 2016-02-24
This bug affects 2 people
Affects Status Importance Assigned to Milestone

Bug Description

show_notification (_("Task finished"), counter > 1 ? counter.to_string () + _(" tasks have been removed") : _("A task has been removed"));

I don't get the point, sorry.
Could you explain what's wrong?

Mingye Wang (artoria2e5) wrote :

Using such special cases is a terrible idea in l10n, since many languages have all kinds of different plural forms, while _(" tasks have been removed") assumes only two forms: n<=1 and n>1.

For example (from, Russian has three plural forms: `nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);`

What do you suggest?

Mingye Wang (artoria2e5) wrote :

// char * ngettext (const char * msgid, const char * msgid_plural,
         unsigned long int n);

show_notification (_("Task finished"), N_(counter.to_string () + " tasks have been removed", "A task has been removed", counter));

Of course, you can do better and use some format strings, since fmt strs can give translators more flexibility and more sense about what they are translating. See Unfortunately I don't want to look at things like snprintf for now.

Mingye Wang (artoria2e5) wrote :

Oops, I shouldn't be looking at the C gettext manpage.

Regardless, there is ngettext in Glib (vala):!api=glib-2.0/GLib.ngettext
// public unowned string ngettext (string msgid, string msgid_plural, ulong n)
// basically the same thing

And you should be able to do format strings like this now:
show_notification (_("Task finished"), N_("%d tasks have been removed", "A task has been removed", counter).printf(counter));

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