-- |
-- Module : Data.Phonetic.Languages.SpecificationsRead
-- Copyright : (c) OleksandrZhabenko 2021
-- License : MIT
-- Stability : Experimental
-- Maintainer : olexandr543@yahoo.com
--
-- Provides functions to read data specifications for other modules from textual files.
module Data.Phonetic.Languages.SpecificationsRead where
import Data.Char (isAlpha)
import Numeric.Wrapper.R.GLPK.Phonetic.Languages.Durations
import System.Environment (getArgs)
import GHC.Arr
import Text.Read
import Data.List
import Data.Maybe (fromMaybe,fromJust)
import GHC.Int
import Data.Phonetic.Languages.Base
charLine :: Char -> String -> Bool
charLine c = (== [c]) . take 1
groupBetweenChars
:: Char -- ^ A delimiter (can be used probably multiple times) used between different parts of the data.
-> [String] -- ^ A list of 'String' that is partitioned using the 'String' starting with the delimiter.
-> [[String]]
groupBetweenChars c [] = []
groupBetweenChars c xs = css : groupBetweenChars c (dropWhile (charLine c) dss)
where (css,dss) = span (charLine c) xs
{-| An example of the needed data structure to be read correctly is in the file gwrsysExample.txt in the source tarball.
-}
getGWritingSystem
:: Char -- ^ A delimiter (cab be used probably multiple times) between different parts of the data file. Usually, a tilda sign \'~\'.
-> String -- ^ Actually the 'String' that is read into the result.
-> GWritingSystemPRPLX -- ^ The data is used to obtain the phonetic language representation of the text.
getGWritingSystem c xs = map ((\(t1,t2) -> (sort . map (\kt -> fromJust (readPEMaybe kt::Maybe PhoneticsRepresentationPLX)) $ t2,
read (concat t1)::Int8)) . splitAt 1) . groupBetweenChars c . lines $ xs