1 files changed, 13 insertions, 2 deletions
diff --git a/src/Text/Pandoc/CSS.hs b/src/Text/Pandoc/CSS.hs
index 2287a5958..f479ed9d0 100644
--- a/src/Text/Pandoc/CSS.hs
+++ b/src/Text/Pandoc/CSS.hs
@@ -1,5 +1,6 @@
-module Text.Pandoc.CSS ( foldOrElse,
-                         pickStyleAttrProps
+module Text.Pandoc.CSS ( foldOrElse
+                       , pickStyleAttrProps
+                       , pickStylesToKVs
                        )
 where
 
@@ -26,6 +27,16 @@ eitherToMaybe :: Either a b -> Maybe b
 eitherToMaybe (Right x) = Just x
 eitherToMaybe _ = Nothing
 
+-- | takes a list of keys/properties and a CSS string and
+-- returns the corresponding key-value-pairs.
+pickStylesToKVs :: [String] -> String -> [(String, String)]
+pickStylesToKVs props styleAttr =
+  case parse styleAttrParser "" styleAttr of
+    Left _ -> []
+    Right styles -> filter (\s -> fst s `elem` props) styles
+
+-- | takes a list of key/property synonyms and a CSS string and maybe
+-- returns the value of the first match (in order of the supplied list)
 pickStyleAttrProps :: [String] -> String -> Maybe String
 pickStyleAttrProps lookupProps styleAttr = do
     styles <- eitherToMaybe $ parse styleAttrParser "" styleAttr