module Attoparsec.Time.ByteString
( timeOfDayInISO8601,
dayInISO8601,
yearAndMonthInISO8601,
timeZoneInISO8601,
utcTimeInISO8601,
diffTime,
nominalDiffTime,
hour,
minute,
second,
)
where
import Attoparsec.Time.Prelude hiding (take, takeWhile)
import qualified Attoparsec.Time.Pure as A
import qualified Attoparsec.Time.Validation as B
import Data.Attoparsec.ByteString
import qualified Data.Attoparsec.ByteString.Char8 as D
import qualified Data.ByteString as C
validated :: (Show a) => B.Validator a -> Parser a -> Parser a
validated :: forall a. Show a => Validator a -> Parser a -> Parser a
validated Validator a
validator Parser a
parser =
Parser a
parser forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= \a
x -> forall a b. Show a => Validator a -> b -> (String -> b) -> a -> b
B.run Validator a
validator (forall (f :: * -> *) a. Applicative f => a -> f a
pure a
x) forall (m :: * -> *) a. MonadFail m => String -> m a
fail a
x
sign :: Parser Bool
sign :: Parser Bool
sign =
Parser Word8
anyWord8 forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= \case
Word8
43 -> forall (m :: * -> *) a. Monad m => a -> m a
return Bool
True
Word8
45 -> forall (m :: * -> *) a. Monad m => a -> m a
return Bool
False
Word8
_ -> forall (f :: * -> *) a. Alternative f => f a
empty
decimalOfLength :: (Integral a) => Int -> Parser a
decimalOfLength :: forall a. Integral a => Int -> Parser a
decimalOfLength Int
length =
do
ByteString
bytes <- Int -> Parser ByteString
take Int
length
if (Word8 -> Bool) -> ByteString -> Bool
C.all Word8 -> Bool
A.word8IsAsciiDigit ByteString
bytes
then forall (m :: * -> *) a. Monad m => a -> m a
return (forall decimal. Integral decimal => ByteString -> decimal
A.decimalFromBytes ByteString
bytes)
else forall (m :: * -> *) a. MonadFail m => String -> m a
fail String
"Not all chars are valid decimals"
picoWithBasisOfLength :: Int -> Parser Pico
picoWithBasisOfLength :: Int -> Parser Pico
picoWithBasisOfLength Int
basisLength =
forall k (a :: k). Integer -> Fixed a
MkFixed forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> (forall a. Num a => a -> a -> a
(+) forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> Parser ByteString Integer
beforePoint forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
<*> ((Word8 -> Parser Word8
word8 Word8
46 forall (f :: * -> *) a b. Applicative f => f a -> f b -> f b
*> forall {b}. Integral b => Parser ByteString b
afterPoint) forall (f :: * -> *) a. Alternative f => f a -> f a -> f a
<|> forall (f :: * -> *) a. Applicative f => a -> f a
pure Integer
0))
where
beforePoint :: Parser ByteString Integer
beforePoint =
(forall a. Num a => a -> a -> a
* (Integer
10 forall a b. (Num a, Integral b) => a -> b -> a
^ Integer
12)) forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> forall a. Integral a => Int -> Parser a
decimalOfLength Int
basisLength
afterPoint :: Parser ByteString b
afterPoint =
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap (forall decimal. Integral decimal => ByteString -> decimal
updater forall {k} (cat :: k -> k -> *) (b :: k) (c :: k) (a :: k).
Category cat =>
cat b c -> cat a b -> cat a c
. Int -> ByteString -> ByteString
C.take Int
12) ((Word8 -> Bool) -> Parser ByteString
takeWhile1 Word8 -> Bool
A.word8IsAsciiDigit)
where
updater :: ByteString -> a
updater ByteString
bytes =
let afterPoint :: a
afterPoint =
forall decimal. Integral decimal => ByteString -> decimal
A.decimalFromBytes ByteString
bytes
afterPointLength :: Int
afterPointLength =
ByteString -> Int
C.length ByteString
bytes
paddedAfterPoint :: a
paddedAfterPoint =
if Int
afterPointLength forall a. Ord a => a -> a -> Bool
< Int
12
then a
afterPoint forall a. Num a => a -> a -> a
* (a
10 forall a b. (Num a, Integral b) => a -> b -> a
^ (Int
12 forall a. Num a => a -> a -> a
- Int
afterPointLength))
else a
afterPoint
in a
paddedAfterPoint
{-# INLINE hour #-}
hour :: Parser Int
hour :: Parser Int
hour =
forall a. Show a => Validator a -> Parser a -> Parser a
validated forall a. (Num a, Ord a) => Validator a
B.hour (forall a. Integral a => Int -> Parser a
decimalOfLength Int
2) forall i a. Parser i a -> String -> Parser i a
<?> String
"hour"
{-# INLINE minute #-}
minute :: Parser Int
minute :: Parser Int
minute =
forall a. Show a => Validator a -> Parser a -> Parser a
validated forall a. (Num a, Ord a) => Validator a
B.minute (forall a. Integral a => Int -> Parser a
decimalOfLength Int
2) forall i a. Parser i a -> String -> Parser i a
<?> String
"minute"
{-# INLINE second #-}
second :: Parser Pico
second :: Parser Pico
second =
forall a. Show a => Validator a -> Parser a -> Parser a
validated forall a. (Num a, Ord a) => Validator a
B.second (Int -> Parser Pico
picoWithBasisOfLength Int
2) forall i a. Parser i a -> String -> Parser i a
<?> String
"second"
{-# INLINE timeOfDayInISO8601 #-}
timeOfDayInISO8601 :: Parser TimeOfDay
timeOfDayInISO8601 :: Parser TimeOfDay
timeOfDayInISO8601 =
Parser TimeOfDay
unnamedParser forall i a. Parser i a -> String -> Parser i a
<?> String
"timeOfDayInISO8601"
where
unnamedParser :: Parser TimeOfDay
unnamedParser =
Int -> Int -> Pico -> TimeOfDay
A.timeOfDay
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> (Parser Int
hour forall (f :: * -> *) a b. Applicative f => f a -> f b -> f a
<* Word8 -> Parser Word8
word8 Word8
58)
forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
<*> (Parser Int
minute forall (f :: * -> *) a b. Applicative f => f a -> f b -> f a
<* Word8 -> Parser Word8
word8 Word8
58)
forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
<*> (Parser Pico
second)
{-# INLINE dayInISO8601 #-}
dayInISO8601 :: Parser Day
dayInISO8601 :: Parser Day
dayInISO8601 =
Parser Day
unnamedParser forall i a. Parser i a -> String -> Parser i a
<?> String
"dayInISO8601"
where
unnamedParser :: Parser Day
unnamedParser =
do
Integer
year <- forall a. Integral a => Int -> Parser a
decimalOfLength Int
4
Word8 -> Parser Word8
word8 Word8
45
Int
month <- forall a. Integral a => Int -> Parser a
decimalOfLength Int
2
Word8 -> Parser Word8
word8 Word8
45
Int
day <- forall a. Integral a => Int -> Parser a
decimalOfLength Int
2
case Integer -> Int -> Int -> Maybe Day
fromGregorianValid Integer
year Int
month Int
day of
Just Day
day -> forall (m :: * -> *) a. Monad m => a -> m a
return Day
day
Maybe Day
Nothing -> forall (m :: * -> *) a. MonadFail m => String -> m a
fail (forall {a} {b} {c}.
(Show a, Show b, Show c) =>
a -> b -> c -> String
error Integer
year Int
month Int
day)
where
error :: a -> b -> c -> String
error a
year b
month c
day =
String -> ShowS
showString String
"Invalid combination of year month and day: "
forall a b. (a -> b) -> a -> b
$ forall a. Show a => a -> String
show (a
year, b
month, c
day)
yearAndMonthInISO8601 :: Parser (Word, Word)
yearAndMonthInISO8601 :: Parser (Word, Word)
yearAndMonthInISO8601 =
forall {a} {b}.
(Integral a, Integral b) =>
Parser ByteString (a, b)
unnamedParser forall i a. Parser i a -> String -> Parser i a
<?> String
"yearAndMonthInISO8601"
where
unnamedParser :: Parser ByteString (a, b)
unnamedParser =
do
a
year <- forall a. Integral a => Int -> Parser a
decimalOfLength Int
4
Word8 -> Parser Word8
word8 Word8
45
b
month <- forall a. Integral a => Int -> Parser a
decimalOfLength Int
2
forall (m :: * -> *) a. Monad m => a -> m a
return (a
year, b
month)
timeZoneInISO8601 :: Parser TimeZone
timeZoneInISO8601 :: Parser TimeZone
timeZoneInISO8601 =
Parser TimeZone
unnamedParser forall i a. Parser i a -> String -> Parser i a
<?> String
"timeZoneInISO8601"
where
unnamedParser :: Parser TimeZone
unnamedParser =
Parser TimeZone
z forall (f :: * -> *) a. Alternative f => f a -> f a -> f a
<|> Parser TimeZone
offset
where
z :: Parser TimeZone
z =
Word8 -> Parser Word8
word8 Word8
90 forall (f :: * -> *) a b. Functor f => f a -> b -> f b
$> TimeZone
utc
offset :: Parser TimeZone
offset =
Bool -> Int -> Int -> TimeZone
A.timeZone forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> Parser Bool
sign forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
<*> forall a. Integral a => Int -> Parser a
decimalOfLength Int
2 forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
<*> (Word8 -> Parser Word8
word8 Word8
58 forall (f :: * -> *) a b. Applicative f => f a -> f b -> f b
*> forall a. Integral a => Int -> Parser a
decimalOfLength Int
2 forall (f :: * -> *) a. Alternative f => f a -> f a -> f a
<|> forall a. Integral a => Int -> Parser a
decimalOfLength Int
2 forall (f :: * -> *) a. Alternative f => f a -> f a -> f a
<|> forall (f :: * -> *) a. Applicative f => a -> f a
pure Int
0)
utcTimeInISO8601 :: Parser UTCTime
utcTimeInISO8601 :: Parser UTCTime
utcTimeInISO8601 =
Parser UTCTime
unnamedParser forall i a. Parser i a -> String -> Parser i a
<?> String
"utcTimeInISO8601"
where
unnamedParser :: Parser UTCTime
unnamedParser =
do
Day
day <- Parser Day
dayInISO8601
Word8 -> Parser Word8
word8 Word8
84
TimeOfDay
time <- Parser TimeOfDay
timeOfDayInISO8601
TimeZone
zone <- Parser TimeZone
timeZoneInISO8601
forall (m :: * -> *) a. Monad m => a -> m a
return (Day -> TimeOfDay -> TimeZone -> UTCTime
A.utcTimeFromDayAndTimeOfDay Day
day TimeOfDay
time TimeZone
zone)
diffTime :: Parser DiffTime
diffTime :: Parser DiffTime
diffTime =
forall {b}. Fractional b => Parser ByteString b
unnamedParser forall i a. Parser i a -> String -> Parser i a
<?> String
"diffTime"
where
unnamedParser :: Parser ByteString b
unnamedParser =
do
Scientific
amount <- Parser Scientific
D.scientific
b -> b
factor <- forall a. Fractional a => Parser (a -> a)
timeUnitFactor
forall (m :: * -> *) a. Monad m => a -> m a
return (b -> b
factor (forall a b. (Real a, Fractional b) => a -> b
realToFrac Scientific
amount))
nominalDiffTime :: Parser NominalDiffTime
nominalDiffTime :: Parser NominalDiffTime
nominalDiffTime =
forall {b}. Fractional b => Parser ByteString b
unnamedParser forall i a. Parser i a -> String -> Parser i a
<?> String
"nominalDiffTime"
where
unnamedParser :: Parser ByteString b
unnamedParser =
do
Scientific
amount <- Parser Scientific
D.scientific
b -> b
factor <- forall a. Fractional a => Parser (a -> a)
timeUnitFactor
forall (m :: * -> *) a. Monad m => a -> m a
return (b -> b
factor (forall a b. (Real a, Fractional b) => a -> b
realToFrac Scientific
amount))
timeUnitFactor :: (Fractional a) => Parser (a -> a)
timeUnitFactor :: forall a. Fractional a => Parser (a -> a)
timeUnitFactor =
(Word8 -> Bool) -> Parser ByteString
takeWhile Word8 -> Bool
A.word8IsAsciiAlpha forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= \case
ByteString
"" -> forall (m :: * -> *) a. Monad m => a -> m a
return forall {k} (cat :: k -> k -> *) (a :: k). Category cat => cat a a
id
ByteString
"s" -> forall (m :: * -> *) a. Monad m => a -> m a
return forall {k} (cat :: k -> k -> *) (a :: k). Category cat => cat a a
id
ByteString
"ms" -> forall (m :: * -> *) a. Monad m => a -> m a
return (forall a. Fractional a => a -> a -> a
/ a
1000)
ByteString
"μs" -> forall (m :: * -> *) a. Monad m => a -> m a
return (forall a. Fractional a => a -> a -> a
/ a
1000000)
ByteString
"us" -> forall (m :: * -> *) a. Monad m => a -> m a
return (forall a. Fractional a => a -> a -> a
/ a
1000000)
ByteString
"ns" -> forall (m :: * -> *) a. Monad m => a -> m a
return (forall a. Fractional a => a -> a -> a
/ a
1000000000)
ByteString
"ps" -> forall (m :: * -> *) a. Monad m => a -> m a
return (forall a. Fractional a => a -> a -> a
/ a
1000000000000)
ByteString
"m" -> forall (m :: * -> *) a. Monad m => a -> m a
return (forall a. Num a => a -> a -> a
* a
60)
ByteString
"h" -> forall (m :: * -> *) a. Monad m => a -> m a
return (forall a. Num a => a -> a -> a
* a
3600)
ByteString
"d" -> forall (m :: * -> *) a. Monad m => a -> m a
return (forall a. Num a => a -> a -> a
* a
86400)
ByteString
unit -> forall (m :: * -> *) a. MonadFail m => String -> m a
fail (String
"Unsupported unit: " forall a. Semigroup a => a -> a -> a
<> forall a. Show a => a -> String
show ByteString
unit)