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fuzzy-parse: escaping in string tokens

This commit is contained in:
voidlizard 2025-01-23 22:52:58 +03:00
parent 71b11a70d8
commit fac5a61b6a
1 changed files with 5 additions and 14 deletions
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19
miscellaneous/fuzzy-parse/src/Data/Text/Fuzzy/Tokenize.hs
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@ -96,6 +96,7 @@ import Data.Maybe (fromMaybe)
import Data.Monoid()
import Data.Set (Set)
import Data.Text (Text)
import Data.Char qualified as Char
import qualified Data.List as List
import qualified Data.Map as Map
import qualified Data.Set as Set
@ -464,20 +465,10 @@ tokenize' spec txt = execTokenizeM (root' txt) spec
Just (c, rest) | c == q -> root rest
| otherwise -> tell [tsChar c] >> scanQ q rest
unesc f ts =
case Text.uncons ts of
Nothing -> f ts
Just ('"', rs) -> tell [tsChar '"' ] >> f rs
Just ('\'', rs) -> tell [tsChar '\''] >> f rs
Just ('\\', rs) -> tell [tsChar '\\'] >> f rs
Just ('t', rs) -> tell [tsChar '\t'] >> f rs
Just ('n', rs) -> tell [tsChar '\n'] >> f rs
Just ('r', rs) -> tell [tsChar '\r'] >> f rs
Just ('a', rs) -> tell [tsChar '\a'] >> f rs
Just ('b', rs) -> tell [tsChar '\b'] >> f rs
Just ('f', rs) -> tell [tsChar '\f'] >> f rs
Just ('v', rs) -> tell [tsChar '\v'] >> f rs
Just (_, rs) -> f rs
unesc f ts = do
case Char.readLitChar ('\\' : Text.unpack ts) of
[ (c, rest) ] -> tell [tsChar c] >> f (Text.pack rest)
_ -> f ts
tsChar c | justTrue (tsNoSlits spec) = TChar c
| otherwise = TSChar c