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-rw-r--r--src/Text/Pandoc/App.hs21
-rw-r--r--src/Text/Pandoc/App/CommandLineOptions.hs15
-rw-r--r--src/Text/Pandoc/BCP47.hs8
-rw-r--r--src/Text/Pandoc/CSV.hs12
-rw-r--r--src/Text/Pandoc/Class.hs19
-rw-r--r--src/Text/Pandoc/ImageSize.hs4
-rw-r--r--src/Text/Pandoc/MIME.hs3
-rw-r--r--src/Text/Pandoc/Writers.hs2
8 files changed, 40 insertions, 44 deletions
diff --git a/src/Text/Pandoc/App.hs b/src/Text/Pandoc/App.hs
index 0565874ad..67315ad09 100644
--- a/src/Text/Pandoc/App.hs
+++ b/src/Text/Pandoc/App.hs
@@ -88,9 +88,8 @@ convertWithOpts opts = do
let filters' = filters ++ [ JSONFilter "pandoc-citeproc" | needsCiteproc ]
let sources = case optInputFiles opts of
- Nothing -> ["-"]
- Just xs | optIgnoreArgs opts -> ["-"]
- | otherwise -> xs
+ Just xs | not (optIgnoreArgs opts) -> xs
+ _ -> ["-"]
datadir <- case optDataDir opts of
Nothing -> do
@@ -192,10 +191,10 @@ convertWithOpts opts = do
"use '-o -' to force output to stdout."
- abbrevs <- Set.fromList . filter (not . T.null) . T.lines <$>
+ abbrevs <- Set.fromList . filter (not . T.null) . T.lines . UTF8.toText <$>
case optAbbreviations opts of
- Nothing -> UTF8.toText <$> readDataFile "abbreviations"
- Just f -> UTF8.toText <$> readFileStrict f
+ Nothing -> readDataFile "abbreviations"
+ Just f -> readFileStrict f
metadata <- if format == "jats" &&
isNothing (lookupMeta "csl" (optMetadata opts)) &&
@@ -341,13 +340,13 @@ readSource src = case parseURI src of
then BS.getContents
else BS.readFile fp
E.catch (return $! UTF8.toText bs)
- (\e -> case e of
- TSE.DecodeError _ (Just w) -> do
+ (\e -> E.throwIO $ case e of
+ TSE.DecodeError _ (Just w) ->
case BS.elemIndex w bs of
- Just offset -> E.throwIO $
+ Just offset ->
PandocUTF8DecodingError (T.pack fp) offset w
- _ -> E.throwIO $ PandocUTF8DecodingError (T.pack fp) 0 w
- _ -> E.throwIO $ PandocAppError (tshow e))
+ _ -> PandocUTF8DecodingError (T.pack fp) 0 w
+ _ -> PandocAppError (tshow e))
readURI :: FilePath -> PandocIO Text
readURI src = UTF8.toText . fst <$> openURL (T.pack src)
diff --git a/src/Text/Pandoc/App/CommandLineOptions.hs b/src/Text/Pandoc/App/CommandLineOptions.hs
index be6bc66f1..e407d8854 100644
--- a/src/Text/Pandoc/App/CommandLineOptions.hs
+++ b/src/Text/Pandoc/App/CommandLineOptions.hs
@@ -28,6 +28,7 @@ import Control.Monad.Trans
import Control.Monad.Except (throwError)
import Data.Aeson.Encode.Pretty (encodePretty', Config(..), keyOrder,
defConfig, Indent(..), NumberFormat(..))
+import Data.Bifunctor (second)
import Data.Char (toLower)
import Data.List (intercalate, sort)
#ifdef _WINDOWS
@@ -36,6 +37,7 @@ import Data.List (isPrefixOf)
#endif
#endif
import Data.Maybe (fromMaybe, isJust)
+import Safe (tailDef)
import Skylighting (Style, Syntax (..), defaultSyntaxMap, parseTheme)
import System.Console.GetOpt
import System.Environment (getArgs, getProgName)
@@ -981,10 +983,7 @@ writersNames = sort
("pdf" : map (T.unpack . fst) (writers :: [(Text, Writer PandocIO)]))
splitField :: String -> (String, String)
-splitField s =
- case break (`elemText` ":=") s of
- (k,_:v) -> (k,v)
- (k,[]) -> (k,"true")
+splitField = second (tailDef "true") . break (`elemText` ":=")
-- | Apply defaults from --defaults file.
applyDefaults :: Opt -> FilePath -> IO Opt
@@ -994,10 +993,10 @@ applyDefaults opt file = runIOorExplode $ do
else file
setVerbosity $ optVerbosity opt
dataDirs <- liftIO defaultUserDataDirs
- let fps = case optDataDir opt of
- Nothing -> (fp : map (</> ("defaults" </> fp))
- dataDirs)
- Just dd -> [fp, dd </> "defaults" </> fp]
+ let fps = fp : case optDataDir opt of
+ Nothing -> map (</> ("defaults" </> fp))
+ dataDirs
+ Just dd -> [dd </> "defaults" </> fp]
fp' <- fromMaybe fp <$> findFile fps
inp <- readFileLazy fp'
case Y.decode1 inp of
diff --git a/src/Text/Pandoc/BCP47.hs b/src/Text/Pandoc/BCP47.hs
index e25134976..c9f144aa4 100644
--- a/src/Text/Pandoc/BCP47.hs
+++ b/src/Text/Pandoc/BCP47.hs
@@ -93,14 +93,16 @@ parseBCP47 lang =
ds <- P.option "" (P.count 1 P.digit)
cs <- P.many1 asciiLetter
let var = ds ++ cs
+ lv = length var
guard $ if null ds
- then length var >= 5 && length var <= 8
- else length var == 4
+ then lv >= 5 && lv <= 8
+ else lv == 4
return $ T.toLower $ T.pack var
pExtension = P.try $ do
P.char '-'
cs <- P.many1 $ P.satisfy (\c -> isAscii c && isAlphaNum c)
- guard $ length cs >= 2 && length cs <= 8
+ let lcs = length cs
+ guard $ lcs >= 2 && lcs <= 8
return $ T.toLower $ T.pack cs
pPrivateUse = P.try $ do
P.char '-'
diff --git a/src/Text/Pandoc/CSV.hs b/src/Text/Pandoc/CSV.hs
index 99324ee2e..633d34681 100644
--- a/src/Text/Pandoc/CSV.hs
+++ b/src/Text/Pandoc/CSV.hs
@@ -18,7 +18,7 @@ module Text.Pandoc.CSV (
) where
import Prelude
-import Control.Monad (void)
+import Control.Monad (unless, void)
import Data.Text (Text)
import qualified Data.Text as T
import Text.Parsec
@@ -63,10 +63,10 @@ pCSVQuotedCell opts = do
return $ T.pack res
escaped :: CSVOptions -> Parser Char
-escaped opts =
+escaped opts = try $
case csvEscape opts of
- Nothing -> try $ char (csvQuote opts) >> char (csvQuote opts)
- Just c -> try $ char c >> noneOf "\r\n"
+ Nothing -> char (csvQuote opts) >> char (csvQuote opts)
+ Just c -> char c >> noneOf "\r\n"
pCSVUnquotedCell :: CSVOptions -> Parser Text
pCSVUnquotedCell opts = T.pack <$>
@@ -76,9 +76,7 @@ pCSVUnquotedCell opts = T.pack <$>
pCSVDelim :: CSVOptions -> Parser ()
pCSVDelim opts = do
char (csvDelim opts)
- if csvKeepSpace opts
- then return ()
- else skipMany (oneOf " \t")
+ unless (csvKeepSpace opts) $ skipMany (oneOf " \t")
endline :: Parser ()
endline = do
diff --git a/src/Text/Pandoc/Class.hs b/src/Text/Pandoc/Class.hs
index 098d95a09..5abb5fdd8 100644
--- a/src/Text/Pandoc/Class.hs
+++ b/src/Text/Pandoc/Class.hs
@@ -524,12 +524,11 @@ alertIndent (l:ls) = do
-- single-letter schemes. Reason: these are usually windows absolute
-- paths.
parseURIReference' :: T.Text -> Maybe URI
-parseURIReference' s =
- case parseURIReference (T.unpack s) of
- Just u
- | length (uriScheme u) > 2 -> Just u
- | null (uriScheme u) -> Just u -- protocol-relative
- _ -> Nothing
+parseURIReference' s = do
+ u <- parseURIReference (T.unpack s)
+ case uriScheme u of
+ [_] -> Nothing
+ _ -> Just u
-- | Set the user data directory in common state.
setUserDataDir :: PandocMonad m
@@ -589,10 +588,10 @@ downloadOrRead s = do
uriFragment = "" }
dropFragmentAndQuery = T.takeWhile (\c -> c /= '?' && c /= '#')
fp = unEscapeString $ T.unpack $ dropFragmentAndQuery s
- mime = case takeExtension fp of
- ".gz" -> getMimeType $ dropExtension fp
- ".svgz" -> getMimeType $ dropExtension fp ++ ".svg"
- x -> getMimeType x
+ mime = getMimeType $ case takeExtension fp of
+ ".gz" -> dropExtension fp
+ ".svgz" -> dropExtension fp ++ ".svg"
+ x -> x
ensureEscaped = T.pack . escapeURIString isAllowedInURI . T.unpack . T.map convertSlash
convertSlash '\\' = '/'
convertSlash x = x
diff --git a/src/Text/Pandoc/ImageSize.hs b/src/Text/Pandoc/ImageSize.hs
index d9ded22be..d11f59fdc 100644
--- a/src/Text/Pandoc/ImageSize.hs
+++ b/src/Text/Pandoc/ImageSize.hs
@@ -212,9 +212,7 @@ showInPixel opts dim = T.pack $ show $ inPixel opts dim
numUnit :: T.Text -> Maybe (Double, T.Text)
numUnit s =
let (nums, unit) = T.span (\c -> isDigit c || ('.'==c)) s
- in case safeRead nums of
- Just n -> Just (n, unit)
- Nothing -> Nothing
+ in (\n -> (n, unit)) <$> safeRead nums
-- | Scale a dimension by a factor.
scaleDimension :: Double -> Dimension -> Dimension
diff --git a/src/Text/Pandoc/MIME.hs b/src/Text/Pandoc/MIME.hs
index aabc6dd1d..8032e1c3f 100644
--- a/src/Text/Pandoc/MIME.hs
+++ b/src/Text/Pandoc/MIME.hs
@@ -18,6 +18,7 @@ import Data.List (isPrefixOf, isSuffixOf)
import qualified Data.Map as M
import qualified Data.Text as T
import Data.Maybe (fromMaybe, listToMaybe)
+import Data.Tuple (swap)
import System.FilePath
type MimeType = T.Text
@@ -50,7 +51,7 @@ mediaCategory :: FilePath -> Maybe T.Text
mediaCategory fp = getMimeType fp >>= listToMaybe . T.splitOn "/"
reverseMimeTypes :: M.Map MimeType T.Text
-reverseMimeTypes = M.fromList $ map (\(k,v) -> (v,k)) mimeTypesList
+reverseMimeTypes = M.fromList $ map swap mimeTypesList
mimeTypes :: M.Map T.Text MimeType
mimeTypes = M.fromList mimeTypesList
diff --git a/src/Text/Pandoc/Writers.hs b/src/Text/Pandoc/Writers.hs
index 724c22a50..753972855 100644
--- a/src/Text/Pandoc/Writers.hs
+++ b/src/Text/Pandoc/Writers.hs
@@ -125,7 +125,7 @@ data Writer m = TextWriter (WriterOptions -> Pandoc -> m Text)
writers :: PandocMonad m => [ (Text, Writer m) ]
writers = [
("native" , TextWriter writeNative)
- ,("json" , TextWriter $ \o d -> writeJSON o d)
+ ,("json" , TextWriter writeJSON)
,("docx" , ByteStringWriter writeDocx)
,("odt" , ByteStringWriter writeODT)
,("pptx" , ByteStringWriter writePowerpoint)