shorthand syntax for wrapping functions?

[Mark Anderson]

For i18n and l10n, we'd like to support a more succinct syntax than the way wrapping functions work now.

So instead of:

   {{#translate}}{{salutation}}{{/#translate}}   /* translates "Dear" to "Estimada" for female spanish speaking targets */

   {{#localize}}{{regdate}}{{/#localize}} /* converts "2011-05-17" to "17 de mayo de 2011" */

we'd have just:

  {{translate salutation}}

  {{localize regdate}}

It wouldn't have to be exactly like that -- but you get the idea. For the use case where the content

to be operated on is inside a single variable, this is a lot more succinct.

-mda

[Sam]

You could definitely implement this by overriding variable resolution but I don't plan on adding non-standard features like this one to the core.Also, I would point out that this strategy for localization / translation will not work in general. I18n is a lot more complicated than simply replacing single words in the vast majority of cases. One of the most complicated extensions to mustache.java at Twitter was the I18n system.

Sam

[Mark D. Anderson]

This particular application is generating letters and all the i18n requirements are rather narrow -- generally speaking

just gender matching single words for the person receiving the letter (for gender-matching languages).

 

If I wanted to do this, roughly what would be required? 

I guess that variable lookup doesn't look at internal white space?

So I would need something like an unbound variable handler for "translate salutation" from {{translate salutation}} ?

 

Or, I'm not sure what pragmas are about, but would there be an easy way to hook {{%translate salutation}} ?

 

-mda

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[Sam]

You can do this with pragmas but they aren't really designed for that. You would basically return a ValueCode that implements your logic. Alternatively, you can do something like this example that does expression parsing:

https://github.com/spullara/mustache.java/blob/master/compiler/src/test/java/com/github/mustachejava/ExamplesTest.java

Sam

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[Mark D. Anderson]

Cool. Now if I want to do both this hook and the unbound variable hook, I guess it is up to me to setObjectHandler

once, and internally do both my hooks inside of it?

 

-mda

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[Sam]

Yep. I generally centralize construction of the MustacheFactory and setup everything up there.

Sam