0bae88d · text · git.iko.soy

Improvements to `toTitle` functionality

Function now correctly deals with apostrophes, etc. For example, the “s” in “it’s”, should not be transformed to upper.

commit0bae88d47cb31959ba08f05e00752425a641acb8 authoral_skipp <al_skipp@fastmail.fm> dateFri 2 Dec 2016, 23:07 (10 years ago) parent4b1fc4c

1 file changed+10−9

unifiedsplit

Data/Text/Internal/Fusion/Common.hs+10−9

@@ -107,7 +107,7 @@ import Prelude (Bool(..), Char, Eq(..), Int, Integral, Maybe(..),

107107import qualified Data.List as L

108108import qualified Prelude as P

109109import Data.Bits (shiftL)

110−import Data.Char (isLetter)

110+import Data.Char (isLetter, isSpace)

111111import Data.Int (Int64)

112112import Data.Text.Internal.Fusion.Types

113113import Data.Text.Internal.Fusion.CaseMapping (foldMapping, lowerMapping, titleMapping,

@@ -462,15 +462,16 @@ toTitle (Stream next0 s0 len) = Stream next (CC (False :*: s0) '\0' '\0') len

462462 where

463463 next (CC (letter :*: s) '\0' _) =

464464 case next0 s of

465− Done -> Done

466− Skip s' -> Skip (CC (letter :*: s') '\0' '\0')

465+ Done -> Done

466+ Skip s' -> Skip (CC (letter :*: s') '\0' '\0')

467467 Yield c s'

468− | letter' -> if letter

469− then lowerMapping c (letter' :*: s')

470− else titleMapping c (letter' :*: s')

471− | otherwise -> Yield c (CC (letter' :*: s') '\0' '\0')

472− where letter' = isLetter c

473− next (CC s a b) = Yield a (CC s b '\0')

468+ | nonSpace -> if letter

469+ then lowerMapping c (nonSpace :*: s')

470+ else titleMapping c (letter' :*: s')

471+ | otherwise -> Yield c (CC (letter' :*: s') '\0' '\0')

472+ where nonSpace = P.not (isSpace c)

473+ letter' = isLetter c

474+ next (CC s a b) = Yield a (CC s b '\0')

474475{-# INLINE [0] toTitle #-}

475476

476477data Justify i s = Just1 !i !s