, longMonthName
, longMonthNameP
- , show2
, show4
+ , show2
+ , show2'
- , read2
, read4
+ , read2
+ , read2'
, show4digitsTZ
, read4digitsTZ
, assertWeekDayIsGood
, assertGregorianDateIsGood
, assertTimeOfDayIsGood
+
+ , optionMaybe
)
where
import Blaze.ByteString.Builder.ByteString as B
import Blaze.Text.Int as BT
import Control.Applicative
import Control.Monad
-import Control.Monad.Unicode
import Data.Ascii (AsciiBuilder)
import qualified Data.Ascii as A
import Data.Attoparsec.Char8 as P
import Data.Time.Calendar.WeekDate
import Prelude.Unicode
-shortWeekDayName ∷ Num n ⇒ n → String
-{-# INLINEABLE shortWeekDayName #-}
-shortWeekDayName 1 = "Mon"
-shortWeekDayName 2 = "Tue"
-shortWeekDayName 3 = "Wed"
-shortWeekDayName 4 = "Thu"
-shortWeekDayName 5 = "Fri"
-shortWeekDayName 6 = "Sat"
-shortWeekDayName 7 = "Sun"
-shortWeekDayName n = error ("shortWeekDayName: invalid week day: " ⧺ show n)
+shortWeekDayName ∷ Num n ⇒ n → AsciiBuilder
+{-# INLINE shortWeekDayName #-}
+shortWeekDayName = A.toAsciiBuilder ∘ go
+ where
+ {-# INLINEABLE go #-}
+ go 1 = "Mon"
+ go 2 = "Tue"
+ go 3 = "Wed"
+ go 4 = "Thu"
+ go 5 = "Fri"
+ go 6 = "Sat"
+ go 7 = "Sun"
+ go n = error ("shortWeekDayName: invalid week day: " ⧺ show n)
shortWeekDayNameP ∷ Num n ⇒ Parser n
{-# INLINEABLE shortWeekDayNameP #-}
shortWeekDayNameP
- = choice [ string "Mon" ≫ return 1
+ = choice [ string "Mon" *> return 1
, char 'T'
- ≫ choice [ string "ue" ≫ return 2
- , string "hu" ≫ return 4
- ]
- , string "Wed" ≫ return 3
- , string "Fri" ≫ return 5
+ *> choice [ string "ue" *> return 2
+ , string "hu" *> return 4
+ ]
+ , string "Wed" *> return 3
+ , string "Fri" *> return 5
, char 'S'
- ≫ choice [ string "at" ≫ return 6
- , string "un" ≫ return 7
- ]
+ *> choice [ string "at" *> return 6
+ , string "un" *> return 7
+ ]
]
-longWeekDayName ∷ Num n ⇒ n → String
-{-# INLINEABLE longWeekDayName #-}
-longWeekDayName 1 = "Monday"
-longWeekDayName 2 = "Tuesday"
-longWeekDayName 3 = "Wednesday"
-longWeekDayName 4 = "Thursday"
-longWeekDayName 5 = "Friday"
-longWeekDayName 6 = "Saturday"
-longWeekDayName 7 = "Sunday"
-longWeekDayName n = error ("longWeekDayName: invalid week day: " ⧺ show n)
+longWeekDayName ∷ Num n ⇒ n → AsciiBuilder
+{-# INLINE longWeekDayName #-}
+longWeekDayName = A.toAsciiBuilder ∘ go
+ where
+ {-# INLINEABLE go #-}
+ go 1 = "Monday"
+ go 2 = "Tuesday"
+ go 3 = "Wednesday"
+ go 4 = "Thursday"
+ go 5 = "Friday"
+ go 6 = "Saturday"
+ go 7 = "Sunday"
+ go n = error ("longWeekDayName: invalid week day: " ⧺ show n)
longWeekDayNameP ∷ Num n ⇒ Parser n
{-# INLINEABLE longWeekDayNameP #-}
longWeekDayNameP
- = choice [ string "Monday" ≫ return 1
+ = choice [ string "Monday" *> return 1
, char 'T'
- ≫ choice [ string "uesday" ≫ return 2
- , string "hursday" ≫ return 4
- ]
- , string "Wednesday" ≫ return 3
- , string "Friday" ≫ return 5
+ *> choice [ string "uesday" *> return 2
+ , string "hursday" *> return 4
+ ]
+ , string "Wednesday" *> return 3
+ , string "Friday" *> return 5
, char 'S'
- ≫ choice [ string "aturday" ≫ return 6
- , string "unday" ≫ return 7
- ]
+ *> choice [ string "aturday" *> return 6
+ , string "unday" *> return 7
+ ]
]
-shortMonthName ∷ Num n ⇒ n → String
-{-# INLINEABLE shortMonthName #-}
-shortMonthName 1 = "Jan"
-shortMonthName 2 = "Feb"
-shortMonthName 3 = "Mar"
-shortMonthName 4 = "Apr"
-shortMonthName 5 = "May"
-shortMonthName 6 = "Jun"
-shortMonthName 7 = "Jul"
-shortMonthName 8 = "Aug"
-shortMonthName 9 = "Sep"
-shortMonthName 10 = "Oct"
-shortMonthName 11 = "Nov"
-shortMonthName 12 = "Dec"
-shortMonthName n = error ("shortMonthName: invalid month: " ⧺ show n)
+shortMonthName ∷ Num n ⇒ n → AsciiBuilder
+{-# INLINE shortMonthName #-}
+shortMonthName = A.toAsciiBuilder ∘ go
+ where
+ {-# INLINEABLE go #-}
+ go 1 = "Jan"
+ go 2 = "Feb"
+ go 3 = "Mar"
+ go 4 = "Apr"
+ go 5 = "May"
+ go 6 = "Jun"
+ go 7 = "Jul"
+ go 8 = "Aug"
+ go 9 = "Sep"
+ go 10 = "Oct"
+ go 11 = "Nov"
+ go 12 = "Dec"
+ go n = error ("shortMonthName: invalid month: " ⧺ show n)
shortMonthNameP ∷ Num n ⇒ Parser n
{-# INLINEABLE shortMonthNameP #-}
shortMonthNameP
= choice [ char 'J'
- ≫ choice [ string "an" ≫ return 1
- , char 'u'
- ≫ choice [ char 'n' ≫ return 6
- , char 'l' ≫ return 7
- ]
- ]
- , string "Feb" ≫ return 2
+ *> choice [ string "an" *> return 1
+ , char 'u'
+ *> choice [ char 'n' *> return 6
+ , char 'l' *> return 7
+ ]
+ ]
+ , string "Feb" *> return 2
, string "Ma"
- ≫ choice [ char 'r' ≫ return 3
- , char 'y' ≫ return 5
- ]
+ *> choice [ char 'r' *> return 3
+ , char 'y' *> return 5
+ ]
, char 'A'
- ≫ choice [ string "pr" ≫ return 4
- , string "ug" ≫ return 8
- ]
- , string "Sep" ≫ return 9
- , string "Oct" ≫ return 10
- , string "Nov" ≫ return 11
- , string "Dec" ≫ return 12
+ *> choice [ string "pr" *> return 4
+ , string "ug" *> return 8
+ ]
+ , string "Sep" *> return 9
+ , string "Oct" *> return 10
+ , string "Nov" *> return 11
+ , string "Dec" *> return 12
]
-longMonthName ∷ Num n ⇒ n → String
-{-# INLINEABLE longMonthName #-}
-longMonthName 1 = "January"
-longMonthName 2 = "February"
-longMonthName 3 = "March"
-longMonthName 4 = "April"
-longMonthName 5 = "May"
-longMonthName 6 = "June"
-longMonthName 7 = "July"
-longMonthName 8 = "August"
-longMonthName 9 = "September"
-longMonthName 10 = "October"
-longMonthName 11 = "November"
-longMonthName 12 = "December"
-longMonthName n = error ("longMonthName: invalid month: " ⧺ show n)
+longMonthName ∷ Num n ⇒ n → AsciiBuilder
+{-# INLINE longMonthName #-}
+longMonthName = A.toAsciiBuilder ∘ go
+ where
+ {-# INLINEABLE go #-}
+ go 1 = "January"
+ go 2 = "February"
+ go 3 = "March"
+ go 4 = "April"
+ go 5 = "May"
+ go 6 = "June"
+ go 7 = "July"
+ go 8 = "August"
+ go 9 = "September"
+ go 10 = "October"
+ go 11 = "November"
+ go 12 = "December"
+ go n = error ("longMonthName: invalid month: " ⧺ show n)
longMonthNameP ∷ Num n ⇒ Parser n
{-# INLINEABLE longMonthNameP #-}
longMonthNameP
= choice [ char 'J'
- ≫ choice [ string "anuary" ≫ return 1
- , char 'u'
- ≫ choice [ string "ne" ≫ return 6
- , string "ly" ≫ return 7
- ]
- ]
- , string "February" ≫ return 2
+ *> choice [ string "anuary" *> return 1
+ , char 'u'
+ *> choice [ string "ne" *> return 6
+ , string "ly" *> return 7
+ ]
+ ]
+ , string "February" *> return 2
, string "Ma"
- ≫ choice [ string "rch" ≫ return 3
- , char 'y' ≫ return 5
- ]
+ *> choice [ string "rch" *> return 3
+ , char 'y' *> return 5
+ ]
, char 'A'
- ≫ choice [ string "pril" ≫ return 4
- , string "ugust" ≫ return 8
- ]
- , string "September" ≫ return 9
- , string "October" ≫ return 10
- , string "November" ≫ return 11
- , string "December" ≫ return 12
+ *> choice [ string "pril" *> return 4
+ , string "ugust" *> return 8
+ ]
+ , string "September" *> return 9
+ , string "October" *> return 10
+ , string "November" *> return 11
+ , string "December" *> return 12
]
show4 ∷ Integral i ⇒ i → AsciiBuilder
| i ≥ 0 ∧ i < 100 = BT.integral i
| otherwise = error ("show2: the integer i must satisfy 0 <= i < 100: " ⧺ show i)
+show2' ∷ Integral i ⇒ i → AsciiBuilder
+{-# INLINE show2' #-}
+show2' = A.unsafeFromBuilder ∘ go
+ where
+ go i | i ≥ 0 ∧ i < 10 = B.fromByteString " " ⊕ BT.digit i
+ | i ≥ 0 ∧ i < 100 = BT.integral i
+ | otherwise = error ("show2': the integer i must satisfy 0 <= i < 100: " ⧺ show i)
+
read4 ∷ Num n ⇒ Parser n
{-# INLINEABLE read4 #-}
read4 = do n1 ← digit'
n2 ← digit'
return (n1 * 10 + n2)
+read2' ∷ Num n ⇒ Parser n
+{-# INLINEABLE read2' #-}
+read2' = do n1 ← (char ' ' *> pure 0) <|> digit'
+ n2 ← digit'
+ return (n1 * 10 + n2)
+
digit' ∷ Num n ⇒ Parser n
digit' = fromC <$> P.digit
read4digitsTZ ∷ Parser TimeZone
read4digitsTZ
- = do sign ← (char '+' ≫ return 1)
+ = do sign ← (char '+' *> return 1)
<|>
- (char '-' ≫ return (-1))
+ (char '-' *> return (-1))
hour ← read2
minute ← read2
let tz = TimeZone {
, "-"
, show day
, " is "
- , longWeekDayName correctWD
+ , toStr $ longWeekDayName correctWD
, ", not "
- , longWeekDayName givenWD
+ , toStr $ longWeekDayName givenWD
]
+ where
+ toStr ∷ AsciiBuilder → String
+ toStr = A.toString ∘ A.fromAsciiBuilder
assertGregorianDateIsGood ∷ Monad m ⇒ Integer → Int → Int → m Day
{-# INLINEABLE assertGregorianDateIsGood #-}
]
Just tod
→ return tod
+
+optionMaybe ∷ Alternative f ⇒ f a → f (Maybe a)
+{-# INLINE optionMaybe #-}
+optionMaybe p
+ = option Nothing (Just <$> p)
projects / time-http.git / blobdiff