)
where
+import Language.Haskell.LSP.Capture
import Language.Haskell.LSP.Types hiding ( error )
+import Language.Haskell.LSP.Messages
import Control.Lens
-import Data.Aeson
-import Data.Aeson.Types
-import qualified Data.ByteString.Lazy.Char8 as B
+import qualified Data.HashMap.Strict as HM
import qualified Data.Text as T
-import qualified Data.HashMap.Strict as HashMap
import Data.Maybe
import System.Directory
import System.FilePath
-swapFiles :: FilePath -> FilePath -> [B.ByteString] -> IO [B.ByteString]
-swapFiles recBaseDir relCurBaseDir msgs = do
+swapFiles :: FilePath -> [Event] -> IO [Event]
+swapFiles relCurBaseDir msgs = do
+ let capturedBaseDir = rootDir msgs
+
curBaseDir <- (</> relCurBaseDir) <$> getCurrentDirectory
let transform uri =
let fp = fromMaybe (error "Couldn't transform uri") (uriToFilePath uri)
- newFp = curBaseDir </> makeRelative recBaseDir fp
+ newFp = curBaseDir </> makeRelative capturedBaseDir fp
in filePathToUri newFp
- newMsgs = map (mapUris transform) msgs :: [B.ByteString]
+ newMsgs = map (mapUris transform) msgs
return newMsgs
-rootDir :: [B.ByteString] -> FilePath
-rootDir msgs = fromMaybe (error "Couldn't find root dir") $ do
- req <- decode (head msgs) :: Maybe InitializeRequest
+rootDir :: [Event] -> FilePath
+rootDir (FromClient _ (ReqInitialize req):_) =
+ fromMaybe (error "Couldn't find root dir") $ do
rootUri <- req ^. params .rootUri
uriToFilePath rootUri
+rootDir _ = error "Couldn't find initialize request in session"
-mapUris :: (Uri -> Uri) -> B.ByteString -> B.ByteString
-mapUris f msg =
- case decode msg :: Maybe Object of
- Just obj -> encode $ HashMap.map (mapValue f) obj
- Nothing -> error "Couldn't decode message"
+mapUris :: (Uri -> Uri) -> Event -> Event
+mapUris f event =
+ case event of
+ FromClient t msg -> FromClient t (fromClientMsg msg)
+ FromServer t msg -> FromServer t (fromServerMsg msg)
where
- mapValue :: (Uri -> Uri) -> Value -> Value
- mapValue f x = case parse parseJSON x :: Result VersionedTextDocumentIdentifier of
- Success doc -> transform doc
- Error _ -> case parse parseJSON x :: Result TextDocumentIdentifier of
- Success doc -> transform doc
- Error _ -> case parse parseJSON x :: Result InitializeParams of
- Success params -> transformInit params
- Error _ -> case parse parseJSON x :: Result Object of
- Success obj -> Object $ HashMap.map (mapValue f) obj
- Error _ -> x
-
- -- parsing with just JSON
- -- mapValueWithKey :: (Uri -> Uri) -> T.Text -> Value -> Value
- -- mapValueWithKey f "uri" (String s) = fromMaybe (error "Couldn't convert uri") $ do
- -- let uri = filePathToUri $ T.unpack s
- -- String <$> (fmap T.pack (uriToFilePath $ f uri))
- -- mapValueWithKey f _ (Array xs) = Array $ fmap (mapValue f) xs
- -- mapValueWithKey f _ (Object x) = Object $ HashMap.mapWithKey (mapValueWithKey f) x
-
- transform x = toJSON $ x & uri .~ f (x ^. uri)
-
- -- transform rootUri/rootPath
- transformInit :: InitializeParams -> Value
+ --TODO: Handle all other URIs that might need swapped
+ fromClientMsg (NotDidOpenTextDocument n) = NotDidOpenTextDocument $ swapUri (params . textDocument) n
+ fromClientMsg (NotDidChangeTextDocument n) = NotDidChangeTextDocument $ swapUri (params . textDocument) n
+ fromClientMsg (NotWillSaveTextDocument n) = NotWillSaveTextDocument $ swapUri (params . textDocument) n
+ fromClientMsg (NotDidSaveTextDocument n) = NotDidSaveTextDocument $ swapUri (params . textDocument) n
+ fromClientMsg (NotDidCloseTextDocument n) = NotDidCloseTextDocument $ swapUri (params . textDocument) n
+ fromClientMsg (ReqInitialize r) = ReqInitialize $ params .~ transformInit (r ^. params) $ r
+ fromClientMsg (ReqDocumentSymbols r) = ReqDocumentSymbols $ swapUri (params . textDocument) r
+ fromClientMsg (ReqRename r) = ReqRename $ swapUri (params . textDocument) r
+ fromClientMsg x = x
+
+ fromServerMsg :: FromServerMessage -> FromServerMessage
+ fromServerMsg (ReqApplyWorkspaceEdit r) =
+ ReqApplyWorkspaceEdit $ params . edit .~ swapWorkspaceEdit (r ^. params . edit) $ r
+
+ fromServerMsg (NotPublishDiagnostics n) = NotPublishDiagnostics $ swapUri params n
+
+ fromServerMsg (RspDocumentSymbols r) =
+ let newSymbols = fmap (fmap (swapUri location)) $ r ^. result
+ in RspDocumentSymbols $ result .~ newSymbols $ r
+
+ fromServerMsg (RspRename r) =
+ let oldResult = r ^. result :: Maybe WorkspaceEdit
+ newResult = fmap swapWorkspaceEdit oldResult
+ in RspRename $ result .~ newResult $ r
+
+ fromServerMsg x = x
+
+ swapWorkspaceEdit :: WorkspaceEdit -> WorkspaceEdit
+ swapWorkspaceEdit e =
+ let newDocChanges = fmap (fmap (swapUri textDocument)) $ e ^. documentChanges
+ newChanges = fmap (swapKeys f) $ e ^. changes
+ in WorkspaceEdit newChanges newDocChanges
+
+ swapKeys :: (Uri -> Uri) -> HM.HashMap Uri b -> HM.HashMap Uri b
+ swapKeys f = HM.foldlWithKey' (\acc k v -> HM.insert (f k) v acc) HM.empty
+
+ swapUri :: HasUri b Uri => Lens' a b -> a -> a
+ swapUri lens x =
+ let newUri = f (x ^. lens . uri)
+ in (lens . uri) .~ newUri $ x
+
+ -- | Transforms rootUri/rootPath.
+ transformInit :: InitializeParams -> InitializeParams
transformInit x =
let newRootUri = fmap f (x ^. rootUri)
newRootPath = do
fp <- T.unpack <$> x ^. rootPath
let uri = filePathToUri fp
T.pack <$> uriToFilePath (f uri)
- in toJSON $ (rootUri .~ newRootUri) $ (rootPath .~ newRootPath) x
+ in (rootUri .~ newRootUri) $ (rootPath .~ newRootPath) x