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authorJohn MacFarlane <jgm@berkeley.edu>2018-12-17 10:24:09 -0800
committerJohn MacFarlane <jgm@berkeley.edu>2018-12-17 10:31:09 -0800
commit404e96761a9301e750a332524137639e204e44d0 (patch)
tree82942f3852f12fb4ac01f6e81dbfcef525fc9b8c /src/Text/Pandoc/Readers
parent90c820dc4e3d7e1db3813b953777d65ee74b2779 (diff)
downloadpandoc-404e96761a9301e750a332524137639e204e44d0.tar.gz
Replace read with safeRead. Closes #5162.
Diffstat (limited to 'src/Text/Pandoc/Readers')
-rw-r--r--src/Text/Pandoc/Readers/Docx/Lists.hs8
-rw-r--r--src/Text/Pandoc/Readers/Odt/StyleReader.hs9
-rw-r--r--src/Text/Pandoc/Readers/Org/Meta.hs2
3 files changed, 8 insertions, 11 deletions
diff --git a/src/Text/Pandoc/Readers/Docx/Lists.hs b/src/Text/Pandoc/Readers/Docx/Lists.hs
index 0be363f3d..72d49c6fa 100644
--- a/src/Text/Pandoc/Readers/Docx/Lists.hs
+++ b/src/Text/Pandoc/Readers/Docx/Lists.hs
@@ -39,21 +39,21 @@ import Data.List
import Data.Maybe
import Text.Pandoc.Generic (bottomUp)
import Text.Pandoc.JSON
-import Text.Pandoc.Shared (trim)
+import Text.Pandoc.Shared (trim, safeRead)
isListItem :: Block -> Bool
isListItem (Div (_, classes, _) _) | "list-item" `elem` classes = True
isListItem _ = False
getLevel :: Block -> Maybe Integer
-getLevel (Div (_, _, kvs) _) = read <$> lookup "level" kvs
+getLevel (Div (_, _, kvs) _) = lookup "level" kvs >>= safeRead
getLevel _ = Nothing
getLevelN :: Block -> Integer
getLevelN b = fromMaybe (-1) (getLevel b)
getNumId :: Block -> Maybe Integer
-getNumId (Div (_, _, kvs) _) = read <$> lookup "num-id" kvs
+getNumId (Div (_, _, kvs) _) = lookup "num-id" kvs >>= safeRead
getNumId _ = Nothing
getNumIdN :: Block -> Integer
@@ -89,7 +89,7 @@ getListType b@(Div (_, _, kvs) _) | isListItem b =
Just f ->
case txt of
Just t -> Just $ Enumerated (
- read (fromMaybe "1" start) :: Int,
+ fromMaybe 1 (start >>= safeRead) :: Int,
fromMaybe DefaultStyle (lookup f listStyleMap),
fromMaybe DefaultDelim (lookup t listDelimMap))
Nothing -> Nothing
diff --git a/src/Text/Pandoc/Readers/Odt/StyleReader.hs b/src/Text/Pandoc/Readers/Odt/StyleReader.hs
index 6a1682829..bddc014f9 100644
--- a/src/Text/Pandoc/Readers/Odt/StyleReader.hs
+++ b/src/Text/Pandoc/Readers/Odt/StyleReader.hs
@@ -62,7 +62,6 @@ import Prelude
import Control.Applicative hiding (liftA, liftA2, liftA3)
import Control.Arrow
-import Data.Char (isDigit)
import Data.Default
import qualified Data.Foldable as F
import Data.List (unfoldr)
@@ -72,6 +71,8 @@ import qualified Data.Set as S
import qualified Text.XML.Light as XML
+import Text.Pandoc.Shared (safeRead)
+
import Text.Pandoc.Readers.Odt.Arrows.Utils
import Text.Pandoc.Readers.Odt.Generic.Fallible
@@ -576,11 +577,7 @@ readListLevelStyle levelType = readAttr NsText "level"
toListLevelStyle _ p s LinfNone b = ListLevelStyle LltBullet p s LinfNone (startValue b)
toListLevelStyle _ p s f@(LinfString _) b = ListLevelStyle LltBullet p s f (startValue b)
toListLevelStyle t p s f b = ListLevelStyle t p s f (startValue b)
- startValue (Just "") = 1
- startValue (Just v) = if all isDigit v
- then read v
- else 1
- startValue Nothing = 1
+ startValue mbx = fromMaybe 1 (mbx >>= safeRead)
--
chooseMostSpecificListLevelStyle :: S.Set ListLevelStyle -> Maybe ListLevelStyle
diff --git a/src/Text/Pandoc/Readers/Org/Meta.hs b/src/Text/Pandoc/Readers/Org/Meta.hs
index 71fac6db3..fc733a777 100644
--- a/src/Text/Pandoc/Readers/Org/Meta.hs
+++ b/src/Text/Pandoc/Readers/Org/Meta.hs
@@ -265,7 +265,7 @@ macroDefinition = try $ do
return (macroName, expander)
where
placeholder :: Monad m => OrgParser m Int
- placeholder = try . fmap read $ char '$' *> many1 digit
+ placeholder = try . fmap (fromMaybe 1 . safeRead) $ char '$' *> many1 digit
expansionPart :: Monad m => OrgParser m String
expansionPart = try $ many (notFollowedBy placeholder *> noneOf "\n\r")