generic-xmlpickler: Generic generation of HXT XmlPickler instances using GHC Generics

[ bsd3, data, library, xml ] [ Propose Tags ]

Generic generation of HXT XmlPickler instances using GHC Generics.

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Dependencies base (>=4.5 && <4.14), generic-deriving (>=1.6 && <1.14), ghc-prim (>=0.2 && <0.5), hxt (>=9.2 && <9.4), text [details]
License BSD-3-Clause
Copyright (c) 2015, Silk
Author Silk
Category XML, Data
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Source repo head: git clone
Uploaded by AdamBergmark at 2019-11-13T17:16:49Z
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Downloads 5925 total (3 in the last 30 days)
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Status Hackage Matrix CI
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Last success reported on 2019-11-13 [all 1 reports]


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This package allows you to automatically derive hxt picklers (conversions to and from xml) using GHC Generics. It has been ported from regular-xmlpickler

A simple example:

{-# LANGUAGE DeriveGeneric #-}

import GHC.Generics
import Data.Maybe (listToMaybe)
import Generics.XmlPickler (gxpickle)
import Text.XML.HXT.Arrow.Pickle (XmlPickler (..), showPickled, unpickleDoc)
import Text.XML.HXT.Parser.XmlParsec (xread)

data User = User
  { name  :: String
  , admin :: Bool
  } deriving (Show, Generic)

instance XmlPickler User where
  xpickle = gxpickle

userString :: String
userString = showPickled [] (User "Simon" True)
-- = "<user><name>Simon</name><admin>true</admin></user>"

user :: Maybe User
user = unpickleDoc xpickle =<< listToMaybe (xread "<user><name>Simon</name><admin>true</admin></user>")
-- = Just (User {name = "Simon", admin = True})