{-# LINE 1 "./GI/Cairo/Render/Internal/Utilities.chs" #-}
{-# LANGUAGE FlexibleInstances #-}
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
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))