{-# LANGUAGE EmptyDataDecls, ExistentialQuantification,
  FlexibleContexts, FlexibleInstances, ForeignFunctionInterface,
  MultiParamTypeClasses, ScopedTypeVariables, TypeFamilies,
  TypeSynonymInstances #-}
module GDAL.OGRFeatureDefn.Interface where
import Data.Word
import Data.Int
import Foreign.C
import Foreign.Ptr
import FFICXX.Runtime.Cast
import GDAL.OGRFeatureDefn.RawType
import GDAL.OGRFieldDefn.RawType
import STD.Deletable.Interface

class (IDeletable a) => IOGRFeatureDefn a where
        getFieldCount :: () => a -> IO CInt
        
        getFieldDefn :: () => a -> CInt -> IO OGRFieldDefn
        
        getGeomFieldCount :: () => a -> IO CInt

upcastOGRFeatureDefn ::
                     forall a . (FPtr a, IOGRFeatureDefn a) => a -> OGRFeatureDefn
upcastOGRFeatureDefn :: forall a. (FPtr a, IOGRFeatureDefn a) => a -> OGRFeatureDefn
upcastOGRFeatureDefn a
h
  = let fh :: Ptr (Raw a)
fh = a -> Ptr (Raw a)
forall a. FPtr a => a -> Ptr (Raw a)
get_fptr a
h
        Ptr RawOGRFeatureDefn
fh2 :: Ptr RawOGRFeatureDefn = Ptr (Raw a) -> Ptr RawOGRFeatureDefn
forall a b. Ptr a -> Ptr b
castPtr Ptr (Raw a)
fh
      in Ptr (Raw OGRFeatureDefn) -> OGRFeatureDefn
forall a. FPtr a => Ptr (Raw a) -> a
cast_fptr_to_obj Ptr (Raw OGRFeatureDefn)
Ptr RawOGRFeatureDefn
fh2

downcastOGRFeatureDefn ::
                       forall a . (FPtr a, IOGRFeatureDefn a) => OGRFeatureDefn -> a
downcastOGRFeatureDefn :: forall a. (FPtr a, IOGRFeatureDefn a) => OGRFeatureDefn -> a
downcastOGRFeatureDefn OGRFeatureDefn
h
  = let fh :: Ptr (Raw OGRFeatureDefn)
fh = OGRFeatureDefn -> Ptr (Raw OGRFeatureDefn)
forall a. FPtr a => a -> Ptr (Raw a)
get_fptr OGRFeatureDefn
h
        fh2 :: Ptr (Raw a)
fh2 = Ptr RawOGRFeatureDefn -> Ptr (Raw a)
forall a b. Ptr a -> Ptr b
castPtr Ptr (Raw OGRFeatureDefn)
Ptr RawOGRFeatureDefn
fh
      in Ptr (Raw a) -> a
forall a. FPtr a => Ptr (Raw a) -> a
cast_fptr_to_obj Ptr (Raw a)
fh2