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-rw-r--r--src/Haddock/Parse.y11
-rw-r--r--src/Haddock/Types.hs2
2 files changed, 11 insertions, 2 deletions
diff --git a/src/Haddock/Parse.y b/src/Haddock/Parse.y
index 0cc783ee..b34b14b9 100644
--- a/src/Haddock/Parse.y
+++ b/src/Haddock/Parse.y
@@ -107,7 +107,7 @@ seq1 :: { Doc RdrName }
elem1 :: { Doc RdrName }
: STRING { DocString $1 }
| '/../' { DocEmphasis (DocString $1) }
- | URL { DocHyperlink (Hyperlink $1 Nothing) }
+ | URL { DocHyperlink (makeHyperlink $1) }
| PIC { DocPic $1 }
| ANAME { DocAName $1 }
| IDENT { DocIdentifier $1 }
@@ -121,6 +121,15 @@ strings :: { String }
happyError :: [LToken] -> Maybe a
happyError toks = Nothing
+-- | Create a `Hyperlink` from given string.
+--
+-- A hyperlink consists of a URL and an optional label. The label is separated
+-- from the url by one or more whitespace characters.
+makeHyperlink :: String -> Hyperlink
+makeHyperlink input = case break isSpace $ strip input of
+ (url, "") -> Hyperlink url Nothing
+ (url, label) -> Hyperlink url (Just . dropWhile isSpace $ label)
+
-- | Create an 'Example', stripping superfluous characters as appropriate
makeExample :: String -> String -> [String] -> Example
makeExample prompt expression result =
diff --git a/src/Haddock/Types.hs b/src/Haddock/Types.hs
index f8890ebf..0d486ae8 100644
--- a/src/Haddock/Types.hs
+++ b/src/Haddock/Types.hs
@@ -318,7 +318,7 @@ instance Monoid (Doc id) where
data Hyperlink = Hyperlink
{ hyperlinkUrl :: String
, hyperlinkLabel :: Maybe String
- }
+ } deriving (Eq, Show)
data Example = Example