@@ -1,4 +1,5 @@
1{-# LANGUAGE CPP #-}
1{-# LANGUAGE CPP #-}
2+{-# LANGUAGE DataKinds #-}
2{-# LANGUAGE DefaultSignatures #-}
3{-# LANGUAGE DefaultSignatures #-}
3{-# LANGUAGE FlexibleContexts #-}
4{-# LANGUAGE FlexibleContexts #-}
4{-# LANGUAGE FlexibleInstances #-}
5{-# LANGUAGE FlexibleInstances #-}
@@ -7,8 +8,10 @@
7{-# LANGUAGE PackageImports #-}
8{-# LANGUAGE PackageImports #-}
8{-# LANGUAGE PolyKinds #-}
9{-# LANGUAGE PolyKinds #-}
9{-# LANGUAGE ScopedTypeVariables #-}
10{-# LANGUAGE ScopedTypeVariables #-}
11+{-# LANGUAGE TypeFamilies #-}
10{-# LANGUAGE TypeOperators #-}
12{-# LANGUAGE TypeOperators #-}
11{-# LANGUAGE TypeSynonymInstances #-}
13{-# LANGUAGE TypeSynonymInstances #-}
14+{-# LANGUAGE UndecidableInstances #-}
12#include "overlapping-compat.h"
15#include "overlapping-compat.h"
13module Data.Swagger.Internal.ParamSchema where
16module Data.Swagger.Internal.ParamSchema where
@@ -36,6 +39,13 @@ import Data.Swagger.Internal
36import Data.Swagger.Lens
39import Data.Swagger.Lens
37import Data.Swagger.SchemaOptions
40import Data.Swagger.SchemaOptions
42+#if __GLASGOW_HASKELL__ < 800
44+import qualified Data.ByteString as BS
45+import qualified Data.ByteString.Lazy as BSL
46+import GHC.TypeLits (TypeError, ErrorMessage(..))
39-- | Default schema for binary data (any sequence of octets).
49-- | Default schema for binary data (any sequence of octets).
40binaryParamSchema :: ParamSchema t
50binaryParamSchema :: ParamSchema t
41binaryParamSchema = mempty
51binaryParamSchema = mempty
@@ -189,6 +199,18 @@ instance ToParamSchema T.Text where
189instance ToParamSchema TL.Text where
199instance ToParamSchema TL.Text where
190 toParamSchema _ = toParamSchema (Proxy :: Proxy String)
200 toParamSchema _ = toParamSchema (Proxy :: Proxy String)
202+#if __GLASGOW_HASKELL__ < 800
204+type family ToParamSchemaByteStringError bs where
205+ ToParamSchemaByteStringError bs = TypeError
206+ ( Text "Impossible to have an instance " :<>: ShowType (ToParamSchema bs) :<>: Text "."
207+ :$$: Text "Please, use a newtype wrapper around " :<>: ShowType bs :<>: Text " instead."
208+ :$$: Text "Consider using byteParamSchema or binaryParamSchema templates." )
210+instance ToParamSchemaByteStringError BS.ByteString => ToParamSchema BS.ByteString where toParamSchema = error "impossible"
211+instance ToParamSchemaByteStringError BSL.ByteString => ToParamSchema BSL.ByteString where toParamSchema = error "impossible"
192instance ToParamSchema All where toParamSchema _ = toParamSchema (Proxy :: Proxy Bool)
214instance ToParamSchema All where toParamSchema _ = toParamSchema (Proxy :: Proxy Bool)
193instance ToParamSchema Any where toParamSchema _ = toParamSchema (Proxy :: Proxy Bool)
215instance ToParamSchema Any where toParamSchema _ = toParamSchema (Proxy :: Proxy Bool)
194instance ToParamSchema a => ToParamSchema (Sum a) where toParamSchema _ = toParamSchema (Proxy :: Proxy a)
216instance ToParamSchema a => ToParamSchema (Sum a) where toParamSchema _ = toParamSchema (Proxy :: Proxy a)