[swift-users] Localization in Swift.

[Zhao Xin]

The second should be

let says = String.localizedStringWithFormat(NSLocalizedString("
> ​blabla
> %
> ​@
> ​blabla
> ", comment: "
> ​blabla
> "),
> ​String(​
> count
> ​)​
> )


​Zhaoxin​

On Wed, Nov 2, 2016 at 10:50 AM, Zhao Xin <owenzx at gmail.com> wrote:

> I think in Swift.
>
> let count = 10
>> let says = NSLocalizedString("
>> ​blabla
>> \(count)
>> ​blabla
>> ", comment: "
>> ​blabla
>> ")
>
>
> ​can be roughly interpreted as
>
> let says = String.localizedStringWithFormat(NSLocalizedString("
>> ​blabla
>> %
>> ​@
>> ​blabla
>> ", comment: "
>> ​blabla
>> "), count)
>
>
> ​So if Swift does not want to do much effort on this ​, it could just find
> every localized string that is with  '\(foo)' in `NSLocalizedString` and
> converted to `String.localizedStringWithFormat(NSLocalizedString...`
> internally.
>
> Zhaoxin
>
>
> On Wed, Nov 2, 2016 at 12:08 AM, Jens Alfke <jens at mooseyard.com> wrote:
>
>>
>> > On Nov 1, 2016, at 1:53 AM, Zhao Xin via swift-users <
>> swift-users at swift.org> wrote:
>> >
>> > I began to realize that` \(count)` was not dealed well in localization.
>> The compiler calculated the full string then looking for the translation,
>> instead of looking for the translation first.
>>
>> NSLocalizedString was designed (in the 1990s) to be used with methods
>> like String(format:…) that take printf-style “%”-substituted format strings.
>> Swift’s string interpolation is obviously a different mechanism entirely.
>>
>> I suspect that Swift interpolation won’t work well for localized strings
>> because the string and the code are so tightly connected. Localization very
>> often needs to change the order of parameters, for instance. It’s also
>> unclear where things like number formatting happen in Swift interpolation;
>> when localizing a string, the conversion needs to be done using the same
>> locale as the string lookup, which might not happen if the string-to-number
>> conversion is separate and uses the default locale.
>>
>> —Jens
>
>
>
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