{-# LANGUAGE TypeApplications #-}


-- | Copyright  : Will Thompson and Iñaki García Etxebarria
-- License    : LGPL-2.1
-- Maintainer : Iñaki García Etxebarria
-- 
-- Data type for blobs. A blob wraps a chunk of binary
-- data and facilitates its lifecycle management between
-- a client program and HarfBuzz.

#if (MIN_VERSION_haskell_gi_overloading(1,0,0) && !defined(__HADDOCK_VERSION__))
#define ENABLE_OVERLOADING
#endif

module GI.HarfBuzz.Structs.BlobT
    ( 

-- * Exported types
    BlobT(..)                               ,


 -- * Methods

#if defined(ENABLE_OVERLOADING)
    ResolveBlobTMethod                      ,
#endif



    ) where

import Data.GI.Base.ShortPrelude
import qualified Data.GI.Base.ShortPrelude as SP
import qualified Data.GI.Base.Overloading as O
import qualified Prelude as P

import qualified Data.GI.Base.Attributes as GI.Attributes
import qualified Data.GI.Base.BasicTypes as B.Types
import qualified Data.GI.Base.ManagedPtr as B.ManagedPtr
import qualified Data.GI.Base.GArray as B.GArray
import qualified Data.GI.Base.GClosure as B.GClosure
import qualified Data.GI.Base.GError as B.GError
import qualified Data.GI.Base.GHashTable as B.GHT
import qualified Data.GI.Base.GVariant as B.GVariant
import qualified Data.GI.Base.GValue as B.GValue
import qualified Data.GI.Base.GParamSpec as B.GParamSpec
import qualified Data.GI.Base.CallStack as B.CallStack
import qualified Data.GI.Base.Properties as B.Properties
import qualified Data.GI.Base.Signals as B.Signals
import qualified Control.Monad.IO.Class as MIO
import qualified Data.Coerce as Coerce
import qualified Data.Text as T
import qualified Data.Kind as DK
import qualified Data.ByteString.Char8 as B
import qualified Data.Map as Map
import qualified Foreign.Ptr as FP
import qualified GHC.OverloadedLabels as OL
import qualified GHC.Records as R


-- | Memory-managed wrapper type.
newtype BlobT = BlobT (SP.ManagedPtr BlobT)
    deriving (BlobT -> BlobT -> Bool
(BlobT -> BlobT -> Bool) -> (BlobT -> BlobT -> Bool) -> Eq BlobT
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
$c== :: BlobT -> BlobT -> Bool
== :: BlobT -> BlobT -> Bool
$c/= :: BlobT -> BlobT -> Bool
/= :: BlobT -> BlobT -> Bool
Eq)

instance SP.ManagedPtrNewtype BlobT where
    toManagedPtr :: BlobT -> ManagedPtr BlobT
toManagedPtr (BlobT ManagedPtr BlobT
p) = ManagedPtr BlobT
p

foreign import ccall "hb_gobject_blob_get_type" c_hb_gobject_blob_get_type :: 
    IO GType

type instance O.ParentTypes BlobT = '[]
instance O.HasParentTypes BlobT

instance B.Types.TypedObject BlobT where
    glibType :: IO GType
glibType = IO GType
c_hb_gobject_blob_get_type

instance B.Types.GBoxed BlobT

-- | Convert 'BlobT' to and from 'Data.GI.Base.GValue.GValue'. See 'Data.GI.Base.GValue.toGValue' and 'Data.GI.Base.GValue.fromGValue'.
instance B.GValue.IsGValue (Maybe BlobT) where
    gvalueGType_ :: IO GType
gvalueGType_ = IO GType
c_hb_gobject_blob_get_type
    gvalueSet_ :: Ptr GValue -> Maybe BlobT -> IO ()
gvalueSet_ Ptr GValue
gv Maybe BlobT
P.Nothing = Ptr GValue -> Ptr BlobT -> IO ()
forall a. Ptr GValue -> Ptr a -> IO ()
B.GValue.set_boxed Ptr GValue
gv (Ptr BlobT
forall a. Ptr a
FP.nullPtr :: FP.Ptr BlobT)
    gvalueSet_ Ptr GValue
gv (P.Just BlobT
obj) = BlobT -> (Ptr BlobT -> IO ()) -> IO ()
forall a c.
(HasCallStack, ManagedPtrNewtype a) =>
a -> (Ptr a -> IO c) -> IO c
B.ManagedPtr.withManagedPtr BlobT
obj (Ptr GValue -> Ptr BlobT -> IO ()
forall a. Ptr GValue -> Ptr a -> IO ()
B.GValue.set_boxed Ptr GValue
gv)
    gvalueGet_ :: Ptr GValue -> IO (Maybe BlobT)
gvalueGet_ Ptr GValue
gv = do
        Ptr BlobT
ptr <- Ptr GValue -> IO (Ptr BlobT)
forall b. Ptr GValue -> IO (Ptr b)
B.GValue.get_boxed Ptr GValue
gv :: IO (Ptr BlobT)
        if Ptr BlobT
ptr Ptr BlobT -> Ptr BlobT -> Bool
forall a. Eq a => a -> a -> Bool
/= Ptr BlobT
forall a. Ptr a
FP.nullPtr
        then BlobT -> Maybe BlobT
forall a. a -> Maybe a
P.Just (BlobT -> Maybe BlobT) -> IO BlobT -> IO (Maybe BlobT)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> (ManagedPtr BlobT -> BlobT) -> Ptr BlobT -> IO BlobT
forall a.
(HasCallStack, GBoxed a) =>
(ManagedPtr a -> a) -> Ptr a -> IO a
B.ManagedPtr.newBoxed ManagedPtr BlobT -> BlobT
BlobT Ptr BlobT
ptr
        else Maybe BlobT -> IO (Maybe BlobT)
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return Maybe BlobT
forall a. Maybe a
P.Nothing
        
    


#if defined(ENABLE_OVERLOADING)
instance O.HasAttributeList BlobT
type instance O.AttributeList BlobT = BlobTAttributeList
type BlobTAttributeList = ('[ ] :: [(Symbol, DK.Type)])
#endif

#if defined(ENABLE_OVERLOADING)
type family ResolveBlobTMethod (t :: Symbol) (o :: DK.Type) :: DK.Type where
    ResolveBlobTMethod l o = O.MethodResolutionFailed l o

instance (info ~ ResolveBlobTMethod t BlobT, O.OverloadedMethod info BlobT p) => OL.IsLabel t (BlobT -> p) where
#if MIN_VERSION_base(4,10,0)
    fromLabel = O.overloadedMethod @info
#else
    fromLabel _ = O.overloadedMethod @info
#endif

#if MIN_VERSION_base(4,13,0)
instance (info ~ ResolveBlobTMethod t BlobT, O.OverloadedMethod info BlobT p, R.HasField t BlobT p) => R.HasField t BlobT p where
    getField = O.overloadedMethod @info

#endif

instance (info ~ ResolveBlobTMethod t BlobT, O.OverloadedMethodInfo info BlobT) => OL.IsLabel t (O.MethodProxy info BlobT) where
#if MIN_VERSION_base(4,10,0)
    fromLabel = O.MethodProxy
#else
    fromLabel _ = O.MethodProxy
#endif

#endif