-- GENERATED by C->Haskell Compiler, version 0.28.8 Switcheroo, 25 November 2017 (Haskell)
-- Edit the ORIGNAL .chs file instead!


{-# LINE 1 "./GI/Cairo/Render/Internal/Utilities.chs" #-}
{-# LANGUAGE FlexibleInstances #-}
-----------------------------------------------------------------------------
-- |
-- Module      :  GI.Cairo.Render.Internal.Utilities
-- Copyright   :  (c) Paolo Martini 2005
-- License     :  BSD-style (see cairo/COPYRIGHT)
--
-- Maintainer  :  p.martini@neuralnoise.com
-- Stability   :  experimental
-- Portability :  portable
--
-- http://cairographics.org/manual/Support.html
-----------------------------------------------------------------------------


module GI.Cairo.Render.Internal.Utilities where
import qualified Foreign.C.String as C2HSImp
import qualified Foreign.C.Types as C2HSImp
import qualified Foreign.Ptr as C2HSImp
import qualified System.IO.Unsafe as C2HSImp



import GI.Cairo.Render.Types
{-# LINE 18 "./GI/Cairo/Render/Internal/Utilities.chs" #-}


import Foreign
import Foreign.C
-- TODO work around cpphs https://ghc.haskell.org/trac/ghc/ticket/13553
import System.IO.Unsafe (unsafePerformIO)

import Codec.Binary.UTF8.String
import Data.Char (ord, chr)
import Data.Text (Text)
import Data.ByteString (useAsCString)
import qualified Data.Text.Encoding as T (encodeUtf8)


{-# LINE 33 "./GI/Cairo/Render/Internal/Utilities.chs" #-}


statusToString :: (Status) -> IO ((String))
statusToString :: Status -> IO String
statusToString Status
a1 =
  let {a1' :: CInt
a1' = Status -> CInt
forall e i. (Enum e, Integral i) => e -> i
cFromEnum Status
a1} in 
  CInt -> IO (Ptr CChar)
statusToString'_ CInt
a1' IO (Ptr CChar) -> (Ptr CChar -> IO String) -> IO String
forall a b. IO a -> (a -> IO b) -> IO b
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= \Ptr CChar
res ->
  Ptr CChar -> IO String
C2HSImp.peekCString Ptr CChar
res IO String -> (String -> IO String) -> IO String
forall a b. IO a -> (a -> IO b) -> IO b
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= \String
res' ->
  String -> IO String
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return (String
res')

{-# LINE 35 "./GI/Cairo/Render/Internal/Utilities.chs" #-}

version :: (Int)
version =
  C2HSImp.unsafePerformIO $
  version'_ >>= \res ->
  let {res' = fromIntegral res} in
  return (res')

{-# LINE 36 "./GI/Cairo/Render/Internal/Utilities.chs" #-}

versionString :: (String)
versionString =
  C2HSImp.unsafePerformIO $
  versionString'_ >>= \res ->
  C2HSImp.peekCString res >>= \res' ->
  return (res')

{-# LINE 37 "./GI/Cairo/Render/Internal/Utilities.chs" #-}


class CairoString s where
    withUTFString :: s -> (CString -> IO a) -> IO a

instance CairoString [Char] where
    withUTFString = withCAString . encodeString

instance CairoString Text where
    withUTFString :: forall a. Text -> (Ptr CChar -> IO a) -> IO a
withUTFString Text
s = ByteString -> (Ptr CChar -> IO a) -> IO a
forall a. ByteString -> (Ptr CChar -> IO a) -> IO a
useAsCString (Text -> ByteString
T.encodeUtf8 Text
s)

foreign import ccall safe "GI/Cairo/Render/Internal/Utilities.chs.h cairo_status_to_string"
  statusToString'_ :: (C2HSImp.CInt -> (IO (C2HSImp.Ptr C2HSImp.CChar)))

foreign import ccall safe "GI/Cairo/Render/Internal/Utilities.chs.h cairo_version"
  version'_ :: (IO C2HSImp.CInt)

foreign import ccall safe "GI/Cairo/Render/Internal/Utilities.chs.h cairo_version_string"
  versionString'_ :: (IO (C2HSImp.Ptr C2HSImp.CChar))