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-rw-r--r--src/Language/GraphQL/AST/Lexer.hs78
-rw-r--r--src/Language/GraphQL/Validate/Rules.hs32
2 files changed, 55 insertions, 55 deletions
diff --git a/src/Language/GraphQL/AST/Lexer.hs b/src/Language/GraphQL/AST/Lexer.hs
index 2d91b9d..62cf4d2 100644
--- a/src/Language/GraphQL/AST/Lexer.hs
+++ b/src/Language/GraphQL/AST/Lexer.hs
@@ -30,6 +30,7 @@ module Language.GraphQL.AST.Lexer
) where
import Control.Applicative (Alternative(..))
+import qualified Control.Applicative.Combinators.NonEmpty as NonEmpty
import Data.Char (chr, digitToInt, isAsciiLower, isAsciiUpper, ord)
import Data.Foldable (foldl')
import Data.List (dropWhileEnd)
@@ -37,22 +38,22 @@ import qualified Data.List.NonEmpty as NonEmpty
import Data.List.NonEmpty (NonEmpty(..))
import Data.Proxy (Proxy(..))
import Data.Void (Void)
-import Text.Megaparsec ( Parsec
- , (<?>)
- , between
- , chunk
- , chunkToTokens
- , notFollowedBy
- , oneOf
- , option
- , optional
- , satisfy
- , sepBy
- , skipSome
- , takeP
- , takeWhile1P
- , try
- )
+import Text.Megaparsec
+ ( Parsec
+ , (<?>)
+ , between
+ , chunk
+ , chunkToTokens
+ , notFollowedBy
+ , oneOf
+ , option
+ , optional
+ , satisfy
+ , skipSome
+ , takeP
+ , takeWhile1P
+ , try
+ )
import Text.Megaparsec.Char (char, digitChar, space1)
import qualified Text.Megaparsec.Char.Lexer as Lexer
import Data.Text (Text)
@@ -142,12 +143,13 @@ blockString :: Parser T.Text
blockString = between "\"\"\"" "\"\"\"" stringValue <* spaceConsumer
where
stringValue = do
- byLine <- sepBy (many blockStringCharacter) lineTerminator
- let indentSize = foldr countIndent 0 $ tail byLine
- withoutIndent = head byLine : (removeIndent indentSize <$> tail byLine)
+ byLine <- NonEmpty.sepBy1 (many blockStringCharacter) lineTerminator
+ let indentSize = foldr countIndent 0 $ NonEmpty.tail byLine
+ withoutIndent = NonEmpty.head byLine
+ : (removeIndent indentSize <$> NonEmpty.tail byLine)
withoutEmptyLines = liftA2 (.) dropWhile dropWhileEnd removeEmptyLine withoutIndent
- return $ T.intercalate "\n" $ T.concat <$> withoutEmptyLines
+ pure $ T.intercalate "\n" $ T.concat <$> withoutEmptyLines
removeEmptyLine [] = True
removeEmptyLine [x] = T.null x || isWhiteSpace (T.head x)
removeEmptyLine _ = False
@@ -180,10 +182,10 @@ name :: Parser T.Text
name = do
firstLetter <- nameFirstLetter
rest <- many $ nameFirstLetter <|> digitChar
- _ <- spaceConsumer
- return $ TL.toStrict $ TL.cons firstLetter $ TL.pack rest
- where
- nameFirstLetter = satisfy isAsciiUpper <|> satisfy isAsciiLower <|> char '_'
+ void spaceConsumer
+ pure $ TL.toStrict $ TL.cons firstLetter $ TL.pack rest
+ where
+ nameFirstLetter = satisfy isAsciiUpper <|> satisfy isAsciiLower <|> char '_'
isChunkDelimiter :: Char -> Bool
isChunkDelimiter = flip notElem ['"', '\\', '\n', '\r']
@@ -197,25 +199,25 @@ lineTerminator = chunk "\r\n" <|> chunk "\n" <|> chunk "\r"
isSourceCharacter :: Char -> Bool
isSourceCharacter = isSourceCharacter' . ord
where
- isSourceCharacter' code = code >= 0x0020
- || code == 0x0009
- || code == 0x000a
- || code == 0x000d
+ isSourceCharacter' code
+ = code >= 0x0020
+ || elem code [0x0009, 0x000a, 0x000d]
escapeSequence :: Parser Char
escapeSequence = do
- _ <- char '\\'
+ void $ char '\\'
escaped <- oneOf ['"', '\\', '/', 'b', 'f', 'n', 'r', 't', 'u']
case escaped of
- 'b' -> return '\b'
- 'f' -> return '\f'
- 'n' -> return '\n'
- 'r' -> return '\r'
- 't' -> return '\t'
- 'u' -> chr . foldl' step 0
- . chunkToTokens (Proxy :: Proxy T.Text)
- <$> takeP Nothing 4
- _ -> return escaped
+ 'b' -> pure '\b'
+ 'f' -> pure '\f'
+ 'n' -> pure '\n'
+ 'r' -> pure '\r'
+ 't' -> pure '\t'
+ 'u' -> chr
+ . foldl' step 0
+ . chunkToTokens (Proxy :: Proxy T.Text)
+ <$> takeP Nothing 4
+ _ -> pure escaped
where
step accumulator = (accumulator * 16 +) . digitToInt
diff --git a/src/Language/GraphQL/Validate/Rules.hs b/src/Language/GraphQL/Validate/Rules.hs
index 2d7adba..e60d39d 100644
--- a/src/Language/GraphQL/Validate/Rules.hs
+++ b/src/Language/GraphQL/Validate/Rules.hs
@@ -50,14 +50,15 @@ import Control.Monad.Trans.Class (MonadTrans(..))
import Control.Monad.Trans.Reader (ReaderT(..), ask, asks, mapReaderT)
import Control.Monad.Trans.State (StateT, evalStateT, gets, modify)
import Data.Bifunctor (first)
-import Data.Foldable (find, fold, foldl', toList)
+import Data.Foldable (Foldable(..), find)
import qualified Data.HashMap.Strict as HashMap
import Data.HashMap.Strict (HashMap)
import Data.HashSet (HashSet)
import qualified Data.HashSet as HashSet
-import Data.List (groupBy, sortBy, sortOn)
+import Data.List (sortBy)
import Data.Maybe (fromMaybe, isJust, isNothing, mapMaybe)
import Data.List.NonEmpty (NonEmpty(..))
+import qualified Data.List.NonEmpty as NonEmpty
import Data.Ord (comparing)
import Data.Sequence (Seq(..), (|>))
import qualified Data.Sequence as Seq
@@ -253,14 +254,16 @@ findDuplicates :: (Full.Definition -> [Full.Location] -> [Full.Location])
-> Full.Location
-> String
-> RuleT m
-findDuplicates filterByName thisLocation errorMessage = do
- ast' <- asks ast
- let locations' = foldr filterByName [] ast'
- if length locations' > 1 && head locations' == thisLocation
- then pure $ error' locations'
- else lift mempty
+findDuplicates filterByName thisLocation errorMessage =
+ asks ast >>= go . foldr filterByName []
where
- error' locations' = Error
+ go locations' =
+ case locations' of
+ headLocation : otherLocations -- length locations' > 1
+ | not $ null otherLocations
+ , headLocation == thisLocation -> pure $ makeError locations'
+ _ -> lift mempty
+ makeError locations' = Error
{ message = errorMessage
, locations = locations'
}
@@ -536,11 +539,6 @@ uniqueDirectiveNamesRule = DirectivesRule
extract (Full.Directive directiveName _ location') =
(directiveName, location')
-groupSorted :: forall a. (a -> Text) -> [a] -> [[a]]
-groupSorted getName = groupBy equalByName . sortOn getName
- where
- equalByName lhs rhs = getName lhs == getName rhs
-
filterDuplicates :: forall a
. (a -> (Text, Full.Location))
-> String
@@ -549,12 +547,12 @@ filterDuplicates :: forall a
filterDuplicates extract nodeType = Seq.fromList
. fmap makeError
. filter ((> 1) . length)
- . groupSorted getName
+ . NonEmpty.groupAllWith getName
where
getName = fst . extract
makeError directives' = Error
- { message = makeMessage $ head directives'
- , locations = snd . extract <$> directives'
+ { message = makeMessage $ NonEmpty.head directives'
+ , locations = snd . extract <$> toList directives'
}
makeMessage directive = concat
[ "There can be only one "