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|
{-# LANGUAGE DeriveAnyClass #-}
{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE FlexibleInstances #-}
{-# LANGUAGE LambdaCase #-}
{-# LANGUAGE NamedFieldPuns #-}
{-# LANGUAGE OverloadedStrings #-}
-- | Module that contains the high-level checking functions
module CheckMap (loadAndLintMap, MapResult(..)) where
import Data.Aeson (ToJSON (toJSON))
import qualified Data.Aeson as A
import Data.Aeson.Types ((.=))
import Data.Functor ((<&>))
import Data.Map (Map, toList)
import qualified Data.Map as M
import Data.Text (Text)
import qualified Data.Text as T
import qualified Data.Vector as V
import GHC.Generics (Generic)
import Badges (Badge)
import LintConfig (LintConfig')
import LintWriter (LintResult, invertLintResult,
resultToAdjusted, resultToBadges,
resultToDeps, resultToLints, resultToOffers,
runLintWriter)
import Properties (checkLayer, checkMap, checkTileset)
import Tiled (Layer (layerLayers, layerName),
LoadResult (..),
Tiledmap (tiledmapLayers, tiledmapTilesets),
loadTiledmap)
import Types (Dep, Hint (Hint, hintLevel, hintMsg),
Level (..), lintsToHints)
import Util (PrettyPrint (prettyprint), prettyprint)
-- | What this linter produces: lints for a single map
data MapResult = MapResult
{ mapresultLayer :: Map Hint [Text]
-- ^ lints that occurred in one or more layers
, mapresultTileset :: Map Hint [Text]
-- ^ lints that occurred in one or more tilesets
, mapresultDepends :: [Dep]
-- ^ (external and local) dependencies of this map
, mapresultProvides :: [Text]
-- ^ entrypoints provided by this map (needed for dependency checking)
, mapresultAdjusted :: Maybe Tiledmap
-- ^ the loaded map, with adjustments by the linter
, mapresultBadges :: [Badge]
-- ^ badges that can be found on this map
, mapresultGeneral :: [Hint]
-- ^ general-purpose lints that didn't fit anywhere else
} deriving (Generic)
instance ToJSON MapResult where
toJSON res = A.object
[ "layer" .= CollectedLints (mapresultLayer res)
, "tileset" .= CollectedLints (mapresultTileset res)
, "general" .= mapresultGeneral res
]
newtype CollectedLints = CollectedLints (Map Hint [Text])
instance ToJSON CollectedLints where
toJSON (CollectedLints col) = toJSON
. M.mapKeys hintMsg
$ M.mapWithKey (\h cs -> A.object [ "level" .= hintLevel h, "in" .= truncated cs ]) col
where truncated cs = if length cs > 10
then take 9 cs <> [ "..." ]
else cs
-- | this module's raison d'être
-- Lints the map at `path`, and limits local links to at most `depth`
-- layers upwards in the file hierarchy
loadAndLintMap :: LintConfig' -> FilePath -> Int -> IO (Maybe MapResult)
loadAndLintMap config path depth = loadTiledmap path <&> (\case
DecodeErr err -> Just (MapResult mempty mempty mempty mempty Nothing mempty
[ Hint Fatal . T.pack $
path <> ": Fatal: " <> err
])
IOErr _ -> Nothing
Loaded waMap ->
Just (runLinter config waMap depth))
-- | lint a loaded map
runLinter :: LintConfig' -> Tiledmap -> Int -> MapResult
runLinter config tiledmap depth = MapResult
{ mapresultLayer = invertThing layer
, mapresultTileset = invertThing tileset
, mapresultGeneral = lintsToHints $ resultToLints generalResult
, mapresultDepends = resultToDeps generalResult
<> concatMap resultToDeps layer
<> concatMap resultToDeps tileset
, mapresultProvides = concatMap resultToOffers layer
, mapresultAdjusted = Just adjustedMap
, mapresultBadges = concatMap resultToBadges layer
<> resultToBadges generalResult
}
where
layer = checkLayerRec config depth (V.toList $ tiledmapLayers tiledmap)
tileset = checkThing tiledmapTilesets checkTileset
generalResult = runLintWriter config tiledmap depth checkMap
checkThing getter checker = V.toList . V.map runCheck $ getter tiledmap
where runCheck thing = runLintWriter config thing depth checker
-- | "inverts" a LintResult, i.e. groups it by lints instead of
-- layers / maps
invertThing thing = M.unionsWith (<>) $ fmap invertLintResult thing
adjustedMap = (resultToAdjusted generalResult)
{ tiledmapLayers = V.fromList
. fmap resultToAdjusted
$ take (length (tiledmapLayers tiledmap)) layer
, tiledmapTilesets = V.fromList
. fmap resultToAdjusted
$ tileset
}
-- | Recursively checks a layer.
--
-- This is apparently necessary because someone thought it would be a good
-- idea to have group layers, even if their entire semantics appear to be
-- "they're group layers"; they don't seem to /do/ anything …
--
-- Note that this will flatten the layer structure and give them all back
-- in a single list, but the ones that were passed in will always be at
-- the head of the list.
checkLayerRec :: LintConfig' -> Int -> [Layer] -> [LintResult Layer]
checkLayerRec config depth layers =
-- reordering to get the correct ones back up front
(\rs -> fmap fst rs <> concatMap snd rs)
-- map over all input layers
$ flip fmap layers $ \parent ->
case layerLayers parent of
-- not a group layer; just lint this one
Nothing ->
(runLintWriter config parent depth checkLayer,[])
-- this is a group layer. Fun!
Just sublayers ->
(parentResult, subresults)
where
-- Lintresults for sublayers with adjusted names
subresults :: [LintResult Layer]
subresults =
take (length sublayers)
. fmap (fmap (\l -> l { layerName = layerName parent <> "/" <> layerName l } ))
$ subresults'
-- Lintresults for sublayers and subsublayers etc.
subresults' =
checkLayerRec config depth sublayers
-- lintresult for the parent layer
parentResult = runLintWriter config parentAdjusted depth checkLayer
-- the parent layer with adjusted sublayers
parentAdjusted =
parent { layerLayers = Just (fmap resultToAdjusted subresults') }
-- human-readable lint output, e.g. for consoles
instance PrettyPrint (Level, MapResult) where
prettyprint (_, mapResult) = if complete == ""
then " all good!\n" else complete
where
complete = T.concat $ prettyGeneral
<> prettyLints mapresultLayer
<> prettyLints mapresultTileset
-- | pretty-prints a collection of Hints, printing each
-- Hint only once, then a list of its occurences line-wrapped
-- to fit onto a decent-sized terminal
prettyLints :: (MapResult -> Map Hint [Text]) -> [Text]
prettyLints getter = fmap
(\(h, cs) -> prettyprint h
<> "\n (in "
-- foldl :: ((length of current line, acc) -> next ctxt -> list) -> ...
<> snd (foldl (\(l,a) c -> case l of
0 -> (T.length c, c)
_ | l < 70 -> (l+2+T.length c, a <> ", " <> c)
_ -> (6+T.length c, a <> ",\n " <> c)
)
(0, "") cs)
<> ")\n")
(toList . getter $ mapResult)
prettyGeneral :: [Text]
prettyGeneral = map
((<> "\n") . prettyprint)
$ mapresultGeneral mapResult
|
