{-# LANGUAGE DerivingStrategies #-}
{-# LANGUAGE FlexibleContexts #-}
module Text.GridTable.Parse
( gridTable
, tableLine
) where
import Prelude hiding (lines)
import Data.Text (Text)
import Text.GridTable.ArrayTable
import Text.GridTable.Trace (traceLines)
import Text.Parsec
import qualified Data.Text as T
gridTable :: Stream s m Char => ParsecT s u m (ArrayTable [Text])
gridTable :: forall s (m :: * -> *) u.
Stream s m Char =>
ParsecT s u m (ArrayTable [Text])
gridTable = ParsecT s u m (ArrayTable [Text])
-> ParsecT s u m (ArrayTable [Text])
forall s u (m :: * -> *) a. ParsecT s u m a -> ParsecT s u m a
try (ParsecT s u m (ArrayTable [Text])
-> ParsecT s u m (ArrayTable [Text]))
-> ParsecT s u m (ArrayTable [Text])
-> ParsecT s u m (ArrayTable [Text])
forall a b. (a -> b) -> a -> b
$ do
firstLine <- (:) (Char -> [Char] -> [Char])
-> ParsecT s u m Char -> ParsecT s u m ([Char] -> [Char])
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> Char -> ParsecT s u m Char
forall s (m :: * -> *) u.
Stream s m Char =>
Char -> ParsecT s u m Char
char Char
'+'
ParsecT s u m ([Char] -> [Char])
-> ParsecT s u m [Char] -> ParsecT s u m [Char]
forall a b.
ParsecT s u m (a -> b) -> ParsecT s u m a -> ParsecT s u m b
forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
<*> ([[Char]] -> [Char]
forall a. Monoid a => [a] -> a
mconcat ([[Char]] -> [Char])
-> ParsecT s u m [[Char]] -> ParsecT s u m [Char]
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> ParsecT s u m [Char] -> ParsecT s u m [[Char]]
forall s u (m :: * -> *) a. ParsecT s u m a -> ParsecT s u m [a]
many1 (Char -> ParsecT s u m [Char]
forall s (m :: * -> *) u.
Stream s m Char =>
Char -> ParsecT s u m [Char]
gridPart Char
'-'))
ParsecT s u m [Char] -> ParsecT s u m () -> ParsecT s u m [Char]
forall a b. ParsecT s u m a -> ParsecT s u m b -> ParsecT s u m a
forall (f :: * -> *) a b. Applicative f => f a -> f b -> f a
<* ParsecT s u m ()
forall s (m :: * -> *) u. Stream s m Char => ParsecT s u m ()
skipSpaces
ParsecT s u m [Char] -> ParsecT s u m Char -> ParsecT s u m [Char]
forall a b. ParsecT s u m a -> ParsecT s u m b -> ParsecT s u m a
forall (f :: * -> *) a b. Applicative f => f a -> f b -> f a
<* ParsecT s u m Char
forall s (m :: * -> *) u. Stream s m Char => ParsecT s u m Char
newline
lines <- many1 tableLine
case traceLines (T.pack firstLine : lines) of
Maybe (ArrayTable [Text])
Nothing -> [Char] -> ParsecT s u m (ArrayTable [Text])
forall a. [Char] -> ParsecT s u m a
forall (m :: * -> *) a. MonadFail m => [Char] -> m a
fail [Char]
"tracing failed"
Just ArrayTable [Text]
gt -> ArrayTable [Text] -> ParsecT s u m (ArrayTable [Text])
forall a. a -> ParsecT s u m a
forall (m :: * -> *) a. Monad m => a -> m a
return ArrayTable [Text]
gt
skipSpaces :: Stream s m Char => ParsecT s u m ()
skipSpaces :: forall s (m :: * -> *) u. Stream s m Char => ParsecT s u m ()
skipSpaces = ParsecT s u m Char -> ParsecT s u m ()
forall s u (m :: * -> *) a. ParsecT s u m a -> ParsecT s u m ()
skipMany ((Char -> Bool) -> ParsecT s u m Char
forall s (m :: * -> *) u.
Stream s m Char =>
(Char -> Bool) -> ParsecT s u m Char
satisfy ((Char -> Bool) -> ParsecT s u m Char)
-> (Char -> Bool) -> ParsecT s u m Char
forall a b. (a -> b) -> a -> b
$ \Char
c -> Char
c Char -> Char -> Bool
forall a. Eq a => a -> a -> Bool
== Char
'\t' Bool -> Bool -> Bool
|| Char
c Char -> Char -> Bool
forall a. Eq a => a -> a -> Bool
== Char
' ')
tableLine :: Stream s m Char
=> ParsecT s u m Text
tableLine :: forall s (m :: * -> *) u. Stream s m Char => ParsecT s u m Text
tableLine = ParsecT s u m Text -> ParsecT s u m Text
forall s u (m :: * -> *) a. ParsecT s u m a -> ParsecT s u m a
try (ParsecT s u m Text -> ParsecT s u m Text)
-> ParsecT s u m Text -> ParsecT s u m Text
forall a b. (a -> b) -> a -> b
$ do
let borderChar :: ParsecT s u m Char
borderChar = Char -> ParsecT s u m Char
forall s (m :: * -> *) u.
Stream s m Char =>
Char -> ParsecT s u m Char
char Char
'+' ParsecT s u m Char -> ParsecT s u m Char -> ParsecT s u m Char
forall s u (m :: * -> *) a.
ParsecT s u m a -> ParsecT s u m a -> ParsecT s u m a
<|> Char -> ParsecT s u m Char
forall s (m :: * -> *) u.
Stream s m Char =>
Char -> ParsecT s u m Char
char Char
'|'
firstChar <- ParsecT s u m Char
forall {u}. ParsecT s u m Char
borderChar
rest <- manyTill (noneOf "\n\r") newline
return $ T.stripEnd $ T.pack (firstChar : rest)
gridPart :: Stream s m Char
=> Char -> ParsecT s u m String
gridPart :: forall s (m :: * -> *) u.
Stream s m Char =>
Char -> ParsecT s u m [Char]
gridPart Char
ch = do
leftColon <- ([Char] -> [Char])
-> ParsecT s u m ([Char] -> [Char])
-> ParsecT s u m ([Char] -> [Char])
forall s (m :: * -> *) t a u.
Stream s m t =>
a -> ParsecT s u m a -> ParsecT s u m a
option [Char] -> [Char]
forall a. a -> a
id ((:) (Char -> [Char] -> [Char])
-> ParsecT s u m Char -> ParsecT s u m ([Char] -> [Char])
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> Char -> ParsecT s u m Char
forall s (m :: * -> *) u.
Stream s m Char =>
Char -> ParsecT s u m Char
char Char
':')
dashes <- many1 (char ch)
rightColon <- option id ((:) <$> char ':')
plus <- char '+'
return . leftColon . (dashes ++) . rightColon $ [plus]