Safe Haskell	None
Language	Haskell98

Data.Hourglass.FuzzyParsing

Description

Parse strings that aren't so precise

Synopsis

Documentation

data DateTime :: *

Date and Time

Constructors

DateTime
Fields dtDate :: Date dtTime :: TimeOfDay

Instances

Eq DateTime
Data DateTime
Ord DateTime
Show DateTime
NFData DateTime
Timeable DateTime
Time DateTime
Typeable * DateTime

class Timeable t => Time t where

Represent time types that can be created from other time types.

Every conversion happens throught ElapsedP or Elapsed types.

Minimal complete definition

timeFromElapsedP

Methods

timeFromElapsedP :: ElapsedP -> t

convert from a number of elapsed seconds and nanoseconds to another time representation

timeFromElapsed :: Elapsed -> t

convert from a number of elapsed seconds and nanoseconds to another time representation

defaults to timeFromElapsedP unless defined explicitely by an instance.

Instances

Time CTime
Time Elapsed
Time ElapsedP
Time Date
Time DateTime

parseDate Source

Arguments

:: DateTime	Current date / time, to use as base for relative dates
-> String	String to parse
-> Either ParseError Date

Parse date/time

parseDateTime Source

Arguments

:: DateTime	Current date / time, to use as base for relative dates
-> String	String to parse
-> Either ParseError DateTime

Parse date/time

pDate Source

Arguments

:: Stream s m Char
=> DateTime	Current date / time, to use as base for relative dates
-> ParsecT s st m Date

Parsec parser for Date only.

pDateTime Source

Arguments

:: Stream s m Char
=> DateTime	Current date / time, to use as base for relative dates
-> ParsecT s st m DateTime

Parsec parser for DateTime.

pTime :: Stream s m Char => ParsecT s st m TimeOfDay Source

pDateInterval :: Stream s m Char => ParsecT s st m DateInterval Source

tryRead :: (Read a, Stream s m Char) => String -> ParsecT s st m a Source

Parser version of Prelude.read

tryReadInt :: (Stream s m Char, Num a) => String -> ParsecT s st m a Source

data DateIntervalType Source

Constructors

Day
Week
Month
Year

Instances

Eq DateIntervalType
Data DateIntervalType
Read DateIntervalType
Show DateIntervalType
Typeable * DateIntervalType

data DateInterval Source

Constructors

Days Int
Weeks Int
Months Int
Years Int

Instances

Eq DateInterval
Data DateInterval
Show DateInterval
Typeable * DateInterval

weekdayToInterval :: WeekDay -> DateInterval Source

Weekday as interval from Monday, so that weekdayToInterval Monday == 0 and weekdayToInterval Sunday == 6.

dateWeekDay :: DateTime -> WeekDay Source

Get weekday of given date.

lastMonday :: DateTime -> DateTime Source

nextMonday :: DateTime -> DateTime Source

addInterval :: DateTime -> DateInterval -> DateTime Source

Add date interval to DateTime

negateInterval :: DateInterval -> DateInterval Source

Negate DateInterval value: Days 3 -> Days (-3).

minusInterval :: DateTime -> DateInterval -> DateTime Source

Subtract DateInterval from DateTime.