--- |This module is for ANSI C's asctime() format.
+-- |This module provides functions for ANSI C's asctime() format.
--
-- ANSI C's asctime() format looks like:
--
+-- |This module provides functions to parse and format RFC 1123 date
+-- and time formats.
+--
+-- The format is basically same as RFC 822, but the syntax for @date@
+-- is changed from:
+--
+-- > year ::= 2DIGIT
+--
+-- to:
+--
+-- > year ::= 4DIGIT
module Data.Time.RFC1123
( format
, parse
import Data.Time.RFC822 (showRFC822TimeZone)
import Data.Time.RFC1123.Parsec
-{-
- The syntax for the date is hereby changed to:
-
- date = 1*2DIGIT month 2*4DIGIT
--}
-
+-- |Format a 'ZonedTime' in RFC 1123.
format :: ZonedTime -> String
format zonedTime
= let localTime = zonedTimeToLocalTime zonedTime
, showRFC822TimeZone timeZone
]
+-- |Parse an RFC 1123 date and time string. When the string can't be
+-- parsed, it returns 'Nothing'.
parse :: String -> Maybe ZonedTime
parse src = case P.parse p "" src of
Right zt -> Just zt
import Data.Time.RFC822.Parsec
import Text.Parsec
-
+-- |This is a parsec parser for RFC 1123 date and time strings.
rfc1123DateAndTime :: Stream s m Char => ParsecT s u m ZonedTime
rfc1123DateAndTime = dateTime
+-- |This module provides functions to parse and format RFC 733 date
+-- and time formats.
+--
+-- The syntax is as follows:
+--
+-- > date-time ::= [ day-of-week ", " ] date SP time ("-" | SP) zone
+-- > day-of-week ::= "Monday" | "Mon" | "Tuesday" | "Tue"
+-- > | "Wednesday" | "Wed" | "Thursday" | "Thu"
+-- > | "Friday" | "Fri" | "Saturday" | "Sat"
+-- > | "Sunday" | "Sun"
+-- > date ::= day ("-" | SP) month ("-" | SP) year
+-- > day ::= 2DIGIT
+-- > year ::= 2DIGIT | 4DIGIT
+-- > month ::= "January" | "Jan" | "February" | "Feb"
+-- > | "March" | "Mar" | "April" | "Apr"
+-- > | "May" | "June" | "Jun"
+-- > | "July" | "Jul" | "August" | "Aug"
+-- > | "September" | "Sep" | "October" | "Oct"
+-- > | "November" | "Nov" | "December" | "Dec"
+-- > time ::= hour [ ":" ] minute [ [ ":" ] second ]
+-- > hour ::= 2DIGIT
+-- > minute ::= 2DIGIT
+-- > second ::= 2DIGIT
+-- > zone ::= "GMT" ; Universal Time
+-- > | "NST" ; Newfoundland: -3:30
+-- > | "AST" | "ADT" ; Atlantic : -4 / -3
+-- > | "EST" | "EDT" ; Eastern : -5 / -4
+-- > | "CST" | "CDT" ; Central : -6 / -5
+-- > | "MST" | "MDT" ; Mountain : -7 / -6
+-- > | "PST" | "PDT" ; Pacific : -8 / -7
+-- > | "YST" | "YDT" ; Yukon : -9 / -8
+-- > | "HST" | "HDT" ; Haw/Ala : -10 / -9
+-- > | "BST" | "BDT" ; Bering : -11 / -10
+-- > | "Z" ; GMT
+-- > | "A" ; -1
+-- > | "M" ; -12
+-- > | "N" ; +1
+-- > | "Y" ; +12
+-- > | ("+" | "-") 4DIGIT ; Local diff: HHMM
module Data.Time.RFC733
( format
, parse
import Data.Time.HTTP.Common
import Data.Time.RFC733.Parsec
-{-
-date-time = [ day-of-week "," ] date time
-
-day-of-week = "Monday" / "Mon" / "Tuesday" / "Tue"
- / "Wednesday" / "Wed" / "Thursday" / "Thu"
- / "Friday" / "Fri" / "Saturday" / "Sat"
- / "Sunday" / "Sun"
-
-date = 1*2DIGIT ["-"] month ; day month year
- ["-"] (2DIGIT /4DIGIT) ; e.g. 20 Aug [19]77
-
-month = "January" / "Jan" / "February" / "Feb"
- / "March" / "Mar" / "April" / "Apr"
- / "May" / "June" / "Jun"
- / "July" / "Jul" / "August" / "Aug"
- / "September" / "Sep" / "October" / "Oct"
- / "November" / "Nov" / "December" / "Dec"
-
-time = hour zone ; ANSI and Military
- ; (seconds optional)
-
-hour = 2DIGIT [":"] 2DIGIT [ [":"] 2DIGIT ]
- ; 0000[00] - 2359[59]
-
-zone = ( ["-"] ( "GMT" ; Relative to GMT:
- ; North American
- / "NST" / ; Newfoundland:-3:30
- / "AST" / "ADT" ; Atlantic: - 4/ - 3
- / "EST" / "EDT" ; Eastern: - 5/ - 4
- / "CST" / "CDT" ; Central: - 6/ - 5
- / "MST" / "MDT" ; Mountain: - 7/ - 6
- / "PST" / "PDT" ; Pacific: - 8/ - 7
- / "YST" / "YDT" ; Yukon: - 9/ - 8
- / "HST" / "HDT" ; Haw/Ala -10/ - 9
- / "BST" / "BDT" ; Bering: -11/ -10
- 1ALPHA )) ; Military: Z = GMT;
- ; A:-1; (J not used)
- ; M:-12; N:+1; Y:+12
- / ( ("+" / "-") 4DIGIT ) ; Local differential
- ; hours/min. (HHMM)
--}
-
+-- |Format a 'ZonedTime' in RFC 733.
format :: ZonedTime -> String
format zonedTime
= let localTime = zonedTimeToLocalTime zonedTime
, show2 (todMin timeOfDay)
, ":"
, show2 (floor (todSec timeOfDay))
- , " "
+ , "-"
, show4digitsTZ timeZone
]
+-- |Parse an RFC 733 date and time string. When the string can't be
+-- parsed, it returns 'Nothing'.
parse :: String -> Maybe ZonedTime
parse src = case P.parse p "" src of
Right zt -> Just zt
import Data.Time.HTTP.Common
import Text.Parsec
-
+-- |This is a parsec parser for RFC 733 date and time strings.
rfc733DateAndTime :: Stream s m Char => ParsecT s u m ZonedTime
rfc733DateAndTime = dateTime
time :: Stream s m Char => ParsecT s u m (TimeOfDay, TimeZone)
time = do tod <- hour
- _ <- char ' '
+ _ <- char '-' <|> char ' '
tz <- zone
return (tod, tz)
+{-# OPTIONS_HADDOCK prune #-}
+
+-- |This module provides functions to parse and format RFC 822 date
+-- and time formats.
+--
+-- The syntax is as follows:
+--
+-- > date-time ::= [ day-of-week ", " ] date SP time SP zone
+-- > day-of-week ::= "Mon" | "Tue" | "Wed" | "Thu"
+-- > | "Fri" | "Sat" | "Sun"
+-- > date ::= day SP month SP year
+-- > day ::= 2DIGIT
+-- > year ::= 2DIGIT ; Yes, only 2 digits.
+-- > month ::= "Jan" | "Feb" | "Mar" | "Apr"
+-- > | "May" | "Jun" | "Jul" | "Aug"
+-- > | "Sep" | "Oct" | "Nov" | "Dec"
+-- > time ::= hour ":" minute [ ":" second ]
+-- > hour ::= 2DIGIT
+-- > minute ::= 2DIGIT
+-- > second ::= 2DIGIT
+-- > zone ::= "UT" | "GMT" ; Universal Time
+-- > | "EST" | "EDT" ; Eastern : -5 / -4
+-- > | "CST" | "CDT" ; Central : -6 / -5
+-- > | "MST" | "MDT" ; Mountain: -7 / -6
+-- > | "PST" | "PDT" ; Pacific : -8 / -7
+-- > | "Z" ; UT
+-- > | "A" ; -1
+-- > | "M" ; -12
+-- > | "N" ; +1
+-- > | "Y" ; +12
+-- > | ("+" | "-") 4DIGIT ; Local diff: HHMM
module Data.Time.RFC822
( format
, parse
import Data.Time.HTTP.Common
import Data.Time.RFC822.Parsec
-
-{-
- date-time = [ day "," ] date time ; dd mm yy
- ; hh:mm:ss zzz
-
- day = "Mon" / "Tue" / "Wed" / "Thu"
- / "Fri" / "Sat" / "Sun"
-
- date = 1*2DIGIT month 2DIGIT ; day month year
- ; e.g. 20 Jun 82
-
- month = "Jan" / "Feb" / "Mar" / "Apr"
- / "May" / "Jun" / "Jul" / "Aug"
- / "Sep" / "Oct" / "Nov" / "Dec"
-
- time = hour zone ; ANSI and Military
-
- hour = 2DIGIT ":" 2DIGIT [":" 2DIGIT]
- ; 00:00:00 - 23:59:59
-
- zone = "UT" / "GMT" ; Universal Time
- ; North American : UT
- / "EST" / "EDT" ; Eastern: - 5/ - 4
- / "CST" / "CDT" ; Central: - 6/ - 5
- / "MST" / "MDT" ; Mountain: - 7/ - 6
- / "PST" / "PDT" ; Pacific: - 8/ - 7
- / 1ALPHA ; Military: Z = UT;
- ; A:-1; (J not used)
- ; M:-12; N:+1; Y:+12
- / ( ("+" / "-") 4DIGIT ) ; Local differential
- ; hours+min. (HHMM)
--}
-
+-- |Format a 'ZonedTime' in RFC 822.
format :: ZonedTime -> String
format zonedTime
= let localTime = zonedTimeToLocalTime zonedTime
| timeZoneMinutes tz == 0 = "GMT"
| otherwise = show4digitsTZ tz
+-- |Parse an RFC 822 date and time string. When the string can't be
+-- parsed, it returns 'Nothing'.
parse :: String -> Maybe ZonedTime
parse src = case P.parse p "" src of
Right zt -> Just zt
{-# LANGUAGE FlexibleContexts #-}
+{-# OPTIONS_HADDOCK prune #-}
+
module Data.Time.RFC822.Parsec
( rfc822DateAndTime
import Data.Time.HTTP.Common
import Text.Parsec
-
+-- |This is a parsec parser for RFC 822 date and time strings.
rfc822DateAndTime :: Stream s m Char => ParsecT s u m ZonedTime
rfc822DateAndTime = dateTime
projects / time-http.git / commitdiff