{-# LANGUAGE Safe #-}

-- Note: this file derives from old-locale:System.Locale.hs, which is copyright (c) The University of Glasgow 2001
module Data.Time.Format.Locale
    ( TimeLocale(..)
    , defaultTimeLocale
    , iso8601DateFormat
    , rfc822DateFormat
    ) where

import Data.Time.LocalTime.Internal.TimeZone

data TimeLocale = TimeLocale
    { TimeLocale -> [(String, String)]
wDays :: [(String, String)]
        -- ^ full and abbreviated week days, starting with Sunday
    , TimeLocale -> [(String, String)]
months :: [(String, String)]
        -- ^ full and abbreviated months
    , TimeLocale -> (String, String)
amPm :: (String, String)
        -- ^ AM\/PM symbols
    , TimeLocale -> String
dateTimeFmt, TimeLocale -> String
dateFmt, TimeLocale -> String
timeFmt, TimeLocale -> String
time12Fmt :: String
        -- ^ formatting strings
    , TimeLocale -> [TimeZone]
knownTimeZones :: [TimeZone]
        -- ^ time zones known by name
    } deriving (TimeLocale -> TimeLocale -> Bool
(TimeLocale -> TimeLocale -> Bool)
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-- | Locale representing American usage.
--
-- 'knownTimeZones' contains only the ten time-zones mentioned in RFC 802 sec. 5:
-- \"UT\", \"GMT\", \"EST\", \"EDT\", \"CST\", \"CDT\", \"MST\", \"MDT\", \"PST\", \"PDT\".
-- Note that the parsing functions will regardless parse \"UTC\", single-letter military time-zones, and +HHMM format.
defaultTimeLocale :: TimeLocale
defaultTimeLocale :: TimeLocale
defaultTimeLocale =
    TimeLocale :: [(String, String)]
-> [(String, String)]
-> (String, String)
-> String
-> String
-> String
-> String
-> [TimeZone]
-> TimeLocale
TimeLocale
        { wDays :: [(String, String)]
wDays =
              [ (String
"Sunday", String
"Sun")
              , (String
"Monday", String
"Mon")
              , (String
"Tuesday", String
"Tue")
              , (String
"Wednesday", String
"Wed")
              , (String
"Thursday", String
"Thu")
              , (String
"Friday", String
"Fri")
              , (String
"Saturday", String
"Sat")
              ]
        , months :: [(String, String)]
months =
              [ (String
"January", String
"Jan")
              , (String
"February", String
"Feb")
              , (String
"March", String
"Mar")
              , (String
"April", String
"Apr")
              , (String
"May", String
"May")
              , (String
"June", String
"Jun")
              , (String
"July", String
"Jul")
              , (String
"August", String
"Aug")
              , (String
"September", String
"Sep")
              , (String
"October", String
"Oct")
              , (String
"November", String
"Nov")
              , (String
"December", String
"Dec")
              ]
        , amPm :: (String, String)
amPm = (String
"AM", String
"PM")
        , dateTimeFmt :: String
dateTimeFmt = String
"%a %b %e %H:%M:%S %Z %Y"
        , dateFmt :: String
dateFmt = String
"%m/%d/%y"
        , timeFmt :: String
timeFmt = String
"%H:%M:%S"
        , time12Fmt :: String
time12Fmt = String
"%I:%M:%S %p"
        , knownTimeZones :: [TimeZone]
knownTimeZones =
              [ Int -> Bool -> String -> TimeZone
TimeZone Int
0 Bool
False String
"UT"
              , Int -> Bool -> String -> TimeZone
TimeZone Int
0 Bool
False String
"GMT"
              , Int -> Bool -> String -> TimeZone
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"EST"
              , Int -> Bool -> String -> TimeZone
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"EDT"
              , Int -> Bool -> String -> TimeZone
TimeZone (-Int
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"CST"
              , Int -> Bool -> String -> TimeZone
TimeZone (-Int
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"CDT"
              , Int -> Bool -> String -> TimeZone
TimeZone (-Int
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"MST"
              , Int -> Bool -> String -> TimeZone
TimeZone (-Int
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"MDT"
              , Int -> Bool -> String -> TimeZone
TimeZone (-Int
8 Int -> Int -> Int
forall a. Num a => a -> a -> a
* Int
60) Bool
False String
"PST"
              , Int -> Bool -> String -> TimeZone
TimeZone (-Int
7 Int -> Int -> Int
forall a. Num a => a -> a -> a
* Int
60) Bool
True String
"PDT"
              ]
        }

{-# DEPRECATED
iso8601DateFormat "use \"Data.Time.Format.ISO8601\" functions instead"
 #-}

{- | Construct format string according to <http://en.wikipedia.org/wiki/ISO_8601 ISO-8601>.

The @Maybe String@ argument allows to supply an optional time specification. E.g.:

@
'iso8601DateFormat' Nothing            == "%Y-%m-%d"           -- i.e. @/YYYY-MM-DD/@
'iso8601DateFormat' (Just "%H:%M:%S")  == "%Y-%m-%dT%H:%M:%S"  -- i.e. @/YYYY-MM-DD/T/HH:MM:SS/@
@
-}
iso8601DateFormat :: Maybe String -> String
iso8601DateFormat :: Maybe String -> String
iso8601DateFormat Maybe String
mTimeFmt =
    String
"%Y-%m-%d" String -> ShowS
forall a. [a] -> [a] -> [a]
++
    case Maybe String
mTimeFmt of
        Maybe String
Nothing -> String
""
        Just String
fmt -> Char
'T' Char -> ShowS
forall a. a -> [a] -> [a]
: String
fmt

-- | Format string according to <http://tools.ietf.org/html/rfc822#section-5 RFC822>.
rfc822DateFormat :: String
rfc822DateFormat :: String
rfc822DateFormat = String
"%a, %_d %b %Y %H:%M:%S %Z"