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Diffstat (limited to 'haddock-library/src/Documentation')
| -rw-r--r-- | haddock-library/src/Documentation/Haddock/Types.hs | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/haddock-library/src/Documentation/Haddock/Types.hs b/haddock-library/src/Documentation/Haddock/Types.hs index 22cab425..48b29075 100644 --- a/haddock-library/src/Documentation/Haddock/Types.hs +++ b/haddock-library/src/Documentation/Haddock/Types.hs @@ -24,6 +24,11 @@ import Control.Arrow ((***)) import Data.Bifunctor #endif +#if MIN_VERSION_base(4,10,0) +import Data.Bifoldable +import Data.Bitraversable +#endif + -- | With the advent of 'Version', we may want to start attaching more -- meta-data to comments. We make a structure for this ahead of time -- so we don't have to gut half the core each time we want to add such @@ -35,6 +40,19 @@ data MetaDoc mod id = , _doc :: DocH mod id } deriving (Eq, Show, Functor, Foldable, Traversable) +#if MIN_VERSION_base(4,8,0) +instance Bifunctor MetaDoc where + bimap f g (MetaDoc m d) = MetaDoc m (bimap f g d) +#endif + +#if MIN_VERSION_base(4,10,0) +instance Bifoldable MetaDoc where + bifoldr f g z d = bifoldr f g z (_doc d) + +instance Bitraversable MetaDoc where + bitraverse f g (MetaDoc m d) = MetaDoc m <$> bitraverse f g d +#endif + overDoc :: (DocH a b -> DocH c d) -> MetaDoc a b -> MetaDoc c d overDoc f d = d { _doc = f $ _doc d } @@ -113,6 +131,49 @@ instance Bifunctor DocH where bimap f g (DocHeader (Header level title)) = DocHeader (Header level (bimap f g title)) #endif +#if MIN_VERSION_base(4,10,0) +instance Bifoldable DocH where + bifoldr f g z (DocAppend docA docB) = bifoldr f g (bifoldr f g z docA) docB + bifoldr f g z (DocParagraph doc) = bifoldr f g z doc + bifoldr _ g z (DocIdentifier i) = g i z + bifoldr f _ z (DocIdentifierUnchecked m) = f m z + bifoldr f g z (DocWarning doc) = bifoldr f g z doc + bifoldr f g z (DocEmphasis doc) = bifoldr f g z doc + bifoldr f g z (DocMonospaced doc) = bifoldr f g z doc + bifoldr f g z (DocBold doc) = bifoldr f g z doc + bifoldr f g z (DocUnorderedList docs) = foldr (flip (bifoldr f g)) z docs + bifoldr f g z (DocOrderedList docs) = foldr (flip (bifoldr f g)) z docs + bifoldr f g z (DocDefList docs) = foldr (\(l, r) acc -> bifoldr f g (bifoldr f g acc l) r) z docs + bifoldr f g z (DocCodeBlock doc) = bifoldr f g z doc + bifoldr f g z (DocHeader (Header _ title)) = bifoldr f g z title + bifoldr _ _ z _ = z + +instance Bitraversable DocH where + bitraverse _ _ DocEmpty = pure DocEmpty + bitraverse f g (DocAppend docA docB) = DocAppend <$> bitraverse f g docA <*> bitraverse f g docB + bitraverse _ _ (DocString s) = pure (DocString s) + bitraverse f g (DocParagraph doc) = DocParagraph <$> bitraverse f g doc + bitraverse _ g (DocIdentifier i) = DocIdentifier <$> g i + bitraverse f _ (DocIdentifierUnchecked m) = DocIdentifierUnchecked <$> f m + bitraverse _ _ (DocModule s) = pure (DocModule s) + bitraverse f g (DocWarning doc) = DocWarning <$> bitraverse f g doc + bitraverse f g (DocEmphasis doc) = DocEmphasis <$> bitraverse f g doc + bitraverse f g (DocMonospaced doc) = DocMonospaced <$> bitraverse f g doc + bitraverse f g (DocBold doc) = DocBold <$> bitraverse f g doc + bitraverse f g (DocUnorderedList docs) = DocUnorderedList <$> traverse (bitraverse f g) docs + bitraverse f g (DocOrderedList docs) = DocOrderedList <$> traverse (bitraverse f g) docs + bitraverse f g (DocDefList docs) = DocDefList <$> traverse (bitraverse (bitraverse f g) (bitraverse f g)) docs + bitraverse f g (DocCodeBlock doc) = DocCodeBlock <$> bitraverse f g doc + bitraverse _ _ (DocHyperlink hyperlink) = pure (DocHyperlink hyperlink) + bitraverse _ _ (DocPic picture) = pure (DocPic picture) + bitraverse _ _ (DocMathInline s) = pure (DocMathInline s) + bitraverse _ _ (DocMathDisplay s) = pure (DocMathDisplay s) + bitraverse _ _ (DocAName s) = pure (DocAName s) + bitraverse _ _ (DocProperty s) = pure (DocProperty s) + bitraverse _ _ (DocExamples examples) = pure (DocExamples examples) + bitraverse f g (DocHeader (Header level title)) = (DocHeader . Header level) <$> bitraverse f g title +#endif + -- | 'DocMarkupH' is a set of instructions for marking up documentation. -- In fact, it's really just a mapping from 'Doc' to some other -- type [a], where [a] is usually the type of the output (HTML, say). |