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|
{-# LANGUAGE RankNTypes, BangPatterns, ForeignFunctionInterface, RecordWildCards #-}
-- |
-- Module : Data.Text.ICU.Locale
-- Copyright : (c) 2021 Torsten Kemps-Benedix
--
-- License : BSD-style
-- Maintainer : bos@serpentine.com
-- Stability : experimental
-- Portability : GHC
--
-- Locale functions implemented as bindings to
-- the International Components for Unicode (ICU) libraries.
module Data.Text.ICU.Locale
(availableLocales
) where
#include <unicode/uloc.h>
import Control.Monad (forM)
import Data.Int (Int32)
import Foreign.C.String (CString, peekCString)
import Prelude hiding (last)
-- | Get the available default locales, i.e. locales that return data when passed to ICU
-- APIs, but not including legacy or alias locales.
availableLocales :: IO [String]
availableLocales = do
n <- uloc_countAvailable
forM [0..n-1] $ \i -> uloc_getAvailable i >>= peekCString
foreign import ccall unsafe "hs_text_icu.h __hs_uloc_getAvailable" uloc_getAvailable
:: Int32 -> IO CString
foreign import ccall unsafe "hs_text_icu.h __hs_uloc_countAvailable" uloc_countAvailable
:: IO Int32
|
