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-rw-r--r--src/Text/Pandoc/Readers/Docx.hs30
-rw-r--r--src/Text/Pandoc/Readers/Docx/Combine.hs154
-rw-r--r--src/Text/Pandoc/Readers/Docx/Reducible.hs183
3 files changed, 169 insertions, 198 deletions
diff --git a/src/Text/Pandoc/Readers/Docx.hs b/src/Text/Pandoc/Readers/Docx.hs
index 1b3269136..eb71d8dd8 100644
--- a/src/Text/Pandoc/Readers/Docx.hs
+++ b/src/Text/Pandoc/Readers/Docx.hs
@@ -81,7 +81,7 @@ import Text.Pandoc.Builder
import Text.Pandoc.Walk
import Text.Pandoc.Readers.Docx.Parse
import Text.Pandoc.Readers.Docx.Lists
-import Text.Pandoc.Readers.Docx.Reducible
+import Text.Pandoc.Readers.Docx.Combine
import Text.Pandoc.Shared
import Text.Pandoc.MediaBag (insertMedia, MediaBag)
import Data.List (delete, (\\), intersect)
@@ -167,7 +167,7 @@ bodyPartsToMeta' (bp : bps)
| (Paragraph pPr parParts) <- bp
, (c : _)<- intersect (pStyle pPr) (M.keys metaStyles)
, (Just metaField) <- M.lookup c metaStyles = do
- inlines <- concatReduce <$> mapM parPartToInlines parParts
+ inlines <- smushInlines <$> mapM parPartToInlines parParts
remaining <- bodyPartsToMeta' bps
let
f (MetaInlines ils) (MetaInlines ils') = MetaBlocks [Para ils, Para ils']
@@ -291,13 +291,13 @@ runToInlines (Run rs runElems)
Just SubScrpt -> subscript codeString
_ -> codeString
| otherwise = do
- let ils = concatReduce (map runElemToInlines runElems)
+ let ils = smushInlines (map runElemToInlines runElems)
return $ (runStyleToTransform $ resolveDependentRunStyle rs) ils
runToInlines (Footnote bps) = do
- blksList <- concatReduce <$> (mapM bodyPartToBlocks bps)
+ blksList <- smushBlocks <$> (mapM bodyPartToBlocks bps)
return $ note blksList
runToInlines (Endnote bps) = do
- blksList <- concatReduce <$> (mapM bodyPartToBlocks bps)
+ blksList <- smushBlocks <$> (mapM bodyPartToBlocks bps)
return $ note blksList
runToInlines (InlineDrawing fp bs ext) = do
mediaBag <- gets docxMediaBag
@@ -316,19 +316,19 @@ parPartToInlines (PlainRun r) = runToInlines r
parPartToInlines (Insertion _ author date runs) = do
opts <- asks docxOptions
case readerTrackChanges opts of
- AcceptChanges -> concatReduce <$> mapM runToInlines runs
+ AcceptChanges -> smushInlines <$> mapM runToInlines runs
RejectChanges -> return mempty
AllChanges -> do
- ils <- concatReduce <$> mapM runToInlines runs
+ ils <- smushInlines <$> mapM runToInlines runs
let attr = ("", ["insertion"], [("author", author), ("date", date)])
return $ spanWith attr ils
parPartToInlines (Deletion _ author date runs) = do
opts <- asks docxOptions
case readerTrackChanges opts of
AcceptChanges -> return mempty
- RejectChanges -> concatReduce <$> mapM runToInlines runs
+ RejectChanges -> smushInlines <$> mapM runToInlines runs
AllChanges -> do
- ils <- concatReduce <$> mapM runToInlines runs
+ ils <- smushInlines <$> mapM runToInlines runs
let attr = ("", ["deletion"], [("author", author), ("date", date)])
return $ spanWith attr ils
parPartToInlines (BookMark _ anchor) | anchor `elem` dummyAnchors =
@@ -361,10 +361,10 @@ parPartToInlines (Drawing fp bs ext) = do
modify $ \s -> s { docxMediaBag = insertMedia fp Nothing bs mediaBag }
return $ imageWith (extentToAttr ext) fp "" ""
parPartToInlines (InternalHyperLink anchor runs) = do
- ils <- concatReduce <$> mapM runToInlines runs
+ ils <- smushInlines <$> mapM runToInlines runs
return $ link ('#' : anchor) "" ils
parPartToInlines (ExternalHyperLink target runs) = do
- ils <- concatReduce <$> mapM runToInlines runs
+ ils <- smushInlines <$> mapM runToInlines runs
return $ link target "" ils
parPartToInlines (PlainOMath exps) = do
return $ math $ writeTeX exps
@@ -417,7 +417,7 @@ singleParaToPlain blks = blks
cellToBlocks :: Cell -> DocxContext Blocks
cellToBlocks (Cell bps) = do
- blks <- concatReduce <$> mapM bodyPartToBlocks bps
+ blks <- smushBlocks <$> mapM bodyPartToBlocks bps
return $ fromList $ blocksToDefinitions $ blocksToBullets $ toList blks
rowToBlocksList :: Row -> DocxContext [Blocks]
@@ -479,11 +479,11 @@ bodyPartToBlocks (Paragraph pPr parparts)
$ concatMap parPartToString parparts
| Just (style, n) <- pHeading pPr = do
ils <- local (\s-> s{docxInHeaderBlock=True}) $
- (concatReduce <$> mapM parPartToInlines parparts)
+ (smushInlines <$> mapM parPartToInlines parparts)
makeHeaderAnchor $
headerWith ("", delete style (pStyle pPr), []) n ils
| otherwise = do
- ils <- concatReduce <$> mapM parPartToInlines parparts >>=
+ ils <- smushInlines <$> mapM parPartToInlines parparts >>=
(return . fromList . trimLineBreaks . normalizeSpaces . toList)
dropIls <- gets docxDropCap
let ils' = dropIls <> ils
@@ -561,7 +561,7 @@ bodyToOutput :: Body -> DocxContext (Meta, [Block], MediaBag)
bodyToOutput (Body bps) = do
let (metabps, blkbps) = sepBodyParts bps
meta <- bodyPartsToMeta metabps
- blks <- concatReduce <$> mapM bodyPartToBlocks blkbps
+ blks <- smushBlocks <$> mapM bodyPartToBlocks blkbps
blks' <- rewriteLinks $ blocksToDefinitions $ blocksToBullets $ toList blks
mediaBag <- gets docxMediaBag
return $ (meta,
diff --git a/src/Text/Pandoc/Readers/Docx/Combine.hs b/src/Text/Pandoc/Readers/Docx/Combine.hs
new file mode 100644
index 000000000..39e0df825
--- /dev/null
+++ b/src/Text/Pandoc/Readers/Docx/Combine.hs
@@ -0,0 +1,154 @@
+{-# LANGUAGE TypeSynonymInstances, FlexibleInstances,
+ PatternGuards #-}
+
+module Text.Pandoc.Readers.Docx.Combine ( smushInlines
+ , smushBlocks
+ )
+ where
+
+import Text.Pandoc.Builder
+import Data.List
+import Data.Sequence (ViewR(..), ViewL(..), viewl, viewr, (><), (|>))
+import qualified Data.Sequence as Seq (null)
+
+data Modifier a = Modifier (a -> a)
+ | AttrModifier (Attr -> a -> a) Attr
+ | NullModifier
+
+spaceOutInlinesL :: Inlines -> (Inlines, Inlines)
+spaceOutInlinesL ms = (l, stackInlines fs (m' <> r))
+ where (l, m, r) = spaceOutInlines ms
+ (fs, m') = unstackInlines m
+
+spaceOutInlinesR :: Inlines -> (Inlines, Inlines)
+spaceOutInlinesR ms = (stackInlines fs (l <> m'), r)
+ where (l, m, r) = spaceOutInlines ms
+ (fs, m') = unstackInlines m
+
+spaceOutInlines :: Inlines -> (Inlines, Inlines, Inlines)
+spaceOutInlines ils =
+ let (fs, ils') = unstackInlines ils
+ contents = unMany ils'
+ left = case viewl contents of
+ (Space :< _) -> space
+ _ -> mempty
+ right = case viewr contents of
+ (_ :> Space) -> space
+ _ -> mempty in
+ (left, (stackInlines fs $ trimInlines . Many $ contents), right)
+
+stackInlines :: [Modifier Inlines] -> Inlines -> Inlines
+stackInlines [] ms = ms
+stackInlines (NullModifier : fs) ms = stackInlines fs ms
+stackInlines ((Modifier f) : fs) ms =
+ if isEmpty ms
+ then stackInlines fs ms
+ else f $ stackInlines fs ms
+stackInlines ((AttrModifier f attr) : fs) ms = f attr $ stackInlines fs ms
+
+unstackInlines :: Inlines -> ([Modifier Inlines], Inlines)
+unstackInlines ms = case ilModifier ms of
+ NullModifier -> ([], ms)
+ _ -> (f : fs, ms') where
+ f = ilModifier ms
+ (fs, ms') = unstackInlines $ ilInnards ms
+
+ilModifier :: Inlines -> Modifier Inlines
+ilModifier ils = case viewl (unMany ils) of
+ (x :< xs) | Seq.null xs -> case x of
+ (Emph _) -> Modifier emph
+ (Strong _) -> Modifier strong
+ (SmallCaps _) -> Modifier smallcaps
+ (Strikeout _) -> Modifier strikeout
+ (Superscript _) -> Modifier superscript
+ (Subscript _) -> Modifier subscript
+ (Link attr _ tgt) -> Modifier $ linkWith attr (fst tgt) (snd tgt)
+ (Span attr _) -> AttrModifier spanWith attr
+ _ -> NullModifier
+ _ -> NullModifier
+
+ilInnards :: Inlines -> Inlines
+ilInnards ils = case viewl (unMany ils) of
+ (x :< xs) | Seq.null xs -> case x of
+ (Emph lst) -> fromList lst
+ (Strong lst) -> fromList lst
+ (SmallCaps lst) -> fromList lst
+ (Strikeout lst) -> fromList lst
+ (Superscript lst) -> fromList lst
+ (Subscript lst) -> fromList lst
+ (Link _ lst _) -> fromList lst
+ (Span _ lst) -> fromList lst
+ _ -> ils
+ _ -> ils
+
+inlinesL :: Inlines -> (Inlines, Inlines)
+inlinesL ils = case viewl $ unMany ils of
+ (s :< sq) -> (singleton s, Many sq)
+ _ -> (mempty, ils)
+
+inlinesR :: Inlines -> (Inlines, Inlines)
+inlinesR ils = case viewr $ unMany ils of
+ (sq :> s) -> (Many sq, singleton s)
+ _ -> (ils, mempty)
+
+combineInlines :: Inlines -> Inlines -> Inlines
+combineInlines x y =
+ let (xs', x') = inlinesR x
+ (y', ys') = inlinesL y
+ in
+ xs' <> (combineSingletonInlines x' y') <> ys'
+
+combineSingletonInlines :: Inlines -> Inlines -> Inlines
+combineSingletonInlines x y =
+ let (xfs, xs) = unstackInlines x
+ (yfs, ys) = unstackInlines y
+ shared = xfs `intersect` yfs
+ x_remaining = xfs \\ shared
+ y_remaining = yfs \\ shared
+ x_rem_attr = filter isAttrModifier x_remaining
+ y_rem_attr = filter isAttrModifier y_remaining
+ in
+ case null shared of
+ True | isEmpty xs && isEmpty ys ->
+ stackInlines (x_rem_attr ++ y_rem_attr) mempty
+ | isEmpty xs ->
+ let (sp, y') = spaceOutInlinesL y in
+ (stackInlines x_rem_attr mempty) <> sp <> y'
+ | isEmpty ys ->
+ let (x', sp) = spaceOutInlinesR x in
+ x' <> sp <> (stackInlines y_rem_attr mempty)
+ | otherwise ->
+ let (x', xsp) = spaceOutInlinesR x
+ (ysp, y') = spaceOutInlinesL y
+ in
+ x' <> xsp <> ysp <> y'
+ False -> stackInlines shared $
+ combineInlines
+ (stackInlines x_remaining xs)
+ (stackInlines y_remaining ys)
+
+combineBlocks :: Blocks -> Blocks -> Blocks
+combineBlocks bs cs
+ | bs' :> (BlockQuote bs'') <- viewr (unMany bs)
+ , (BlockQuote cs'') :< cs' <- viewl (unMany cs) =
+ Many $ (bs' |> (BlockQuote (bs'' <> cs''))) >< cs'
+combineBlocks bs cs = bs <> cs
+
+instance (Monoid a, Eq a) => Eq (Modifier a) where
+ (Modifier f) == (Modifier g) = (f mempty == g mempty)
+ (AttrModifier f attr) == (AttrModifier g attr') = (f attr mempty == g attr' mempty)
+ (NullModifier) == (NullModifier) = True
+ _ == _ = False
+
+isEmpty :: (Monoid a, Eq a) => a -> Bool
+isEmpty x = x == mempty
+
+isAttrModifier :: Modifier a -> Bool
+isAttrModifier (AttrModifier _ _) = True
+isAttrModifier _ = False
+
+smushInlines :: [Inlines] -> Inlines
+smushInlines xs = foldl combineInlines mempty xs
+
+smushBlocks :: [Blocks] -> Blocks
+smushBlocks xs = foldl combineBlocks mempty xs
diff --git a/src/Text/Pandoc/Readers/Docx/Reducible.hs b/src/Text/Pandoc/Readers/Docx/Reducible.hs
deleted file mode 100644
index e6de2d474..000000000
--- a/src/Text/Pandoc/Readers/Docx/Reducible.hs
+++ /dev/null
@@ -1,183 +0,0 @@
-{-# LANGUAGE TypeSynonymInstances, FlexibleInstances,
- PatternGuards #-}
-
-module Text.Pandoc.Readers.Docx.Reducible ( concatReduce
- , (<+>)
- )
- where
-
-
-import Text.Pandoc.Builder
-import Data.List
-import Data.Sequence (ViewR(..), ViewL(..), viewl, viewr)
-import qualified Data.Sequence as Seq (null)
-
-data Modifier a = Modifier (a -> a)
- | AttrModifier (Attr -> a -> a) Attr
- | NullModifier
-
-class (Eq a) => Modifiable a where
- modifier :: a -> Modifier a
- innards :: a -> a
- getL :: a -> (a, a)
- getR :: a -> (a, a)
- spaceOut :: a -> (a, a, a)
-
-spaceOutL :: (Monoid a, Modifiable a) => a -> (a, a)
-spaceOutL ms = (l, stack fs (m' <> r))
- where (l, m, r) = spaceOut ms
- (fs, m') = unstack m
-
-spaceOutR :: (Monoid a, Modifiable a) => a -> (a, a)
-spaceOutR ms = (stack fs (l <> m'), r)
- where (l, m, r) = spaceOut ms
- (fs, m') = unstack m
-
-instance (Monoid a, Show a) => Show (Modifier a) where
- show (Modifier f) = show $ f mempty
- show (AttrModifier f attr) = show $ f attr mempty
- show (NullModifier) = "NullModifier"
-
-instance (Monoid a, Eq a) => Eq (Modifier a) where
- (Modifier f) == (Modifier g) = (f mempty == g mempty)
- (AttrModifier f attr) == (AttrModifier g attr') = (f attr mempty == g attr' mempty)
- (NullModifier) == (NullModifier) = True
- _ == _ = False
-
-instance Modifiable Inlines where
- modifier ils = case viewl (unMany ils) of
- (x :< xs) | Seq.null xs -> case x of
- (Emph _) -> Modifier emph
- (Strong _) -> Modifier strong
- (SmallCaps _) -> Modifier smallcaps
- (Strikeout _) -> Modifier strikeout
- (Superscript _) -> Modifier superscript
- (Subscript _) -> Modifier subscript
- (Link attr _ tgt) -> Modifier $ linkWith attr (fst tgt) (snd tgt)
- (Span attr _) -> AttrModifier spanWith attr
- _ -> NullModifier
- _ -> NullModifier
-
- innards ils = case viewl (unMany ils) of
- (x :< xs) | Seq.null xs -> case x of
- (Emph lst) -> fromList lst
- (Strong lst) -> fromList lst
- (SmallCaps lst) -> fromList lst
- (Strikeout lst) -> fromList lst
- (Superscript lst) -> fromList lst
- (Subscript lst) -> fromList lst
- (Link _ lst _) -> fromList lst
- (Span _ lst) -> fromList lst
- _ -> ils
- _ -> ils
-
- getL ils = case viewl $ unMany ils of
- (s :< sq) -> (singleton s, Many sq)
- _ -> (mempty, ils)
-
- getR ils = case viewr $ unMany ils of
- (sq :> s) -> (Many sq, singleton s)
- _ -> (ils, mempty)
-
- spaceOut ils =
- let (fs, ils') = unstack ils
- contents = unMany ils'
- left = case viewl contents of
- (Space :< _) -> space
- _ -> mempty
- right = case viewr contents of
- (_ :> Space) -> space
- _ -> mempty in
- (left, (stack fs $ trimInlines .Many $ contents), right)
-
-instance Modifiable Blocks where
- modifier blks = case viewl (unMany blks) of
- (x :< xs) | Seq.null xs -> case x of
- (BlockQuote _) -> Modifier blockQuote
- -- (Div attr _) -> AttrModifier divWith attr
- _ -> NullModifier
- _ -> NullModifier
-
- innards blks = case viewl (unMany blks) of
- (x :< xs) | Seq.null xs -> case x of
- (BlockQuote lst) -> fromList lst
- -- (Div attr lst) -> fromList lst
- _ -> blks
- _ -> blks
-
- spaceOut blks = (mempty, blks, mempty)
-
- getL ils = case viewl $ unMany ils of
- (s :< sq) -> (singleton s, Many sq)
- _ -> (mempty, ils)
-
- getR ils = case viewr $ unMany ils of
- (sq :> s) -> (Many sq, singleton s)
- _ -> (ils, mempty)
-
-
-unstack :: (Modifiable a) => a -> ([Modifier a], a)
-unstack ms = case modifier ms of
- NullModifier -> ([], ms)
- _ -> (f : fs, ms') where
- f = modifier ms
- (fs, ms') = unstack $ innards ms
-
-stack :: (Monoid a, Modifiable a) => [Modifier a] -> a -> a
-stack [] ms = ms
-stack (NullModifier : fs) ms = stack fs ms
-stack ((Modifier f) : fs) ms =
- if isEmpty ms
- then stack fs ms
- else f $ stack fs ms
-stack ((AttrModifier f attr) : fs) ms = f attr $ stack fs ms
-
-isEmpty :: (Monoid a, Eq a) => a -> Bool
-isEmpty x = x == mempty
-
-
-combine :: (Monoid a, Modifiable a, Eq a) => a -> a -> a
-combine x y =
- let (xs', x') = getR x
- (y', ys') = getL y
- in
- xs' <> (combineSingleton x' y') <> ys'
-
-isAttrModifier :: Modifier a -> Bool
-isAttrModifier (AttrModifier _ _) = True
-isAttrModifier _ = False
-
-combineSingleton :: (Monoid a, Modifiable a, Eq a) => a -> a -> a
-combineSingleton x y =
- let (xfs, xs) = unstack x
- (yfs, ys) = unstack y
- shared = xfs `intersect` yfs
- x_remaining = xfs \\ shared
- y_remaining = yfs \\ shared
- x_rem_attr = filter isAttrModifier x_remaining
- y_rem_attr = filter isAttrModifier y_remaining
- in
- case null shared of
- True | isEmpty xs && isEmpty ys ->
- stack (x_rem_attr ++ y_rem_attr) mempty
- | isEmpty xs ->
- let (sp, y') = spaceOutL y in
- (stack x_rem_attr mempty) <> sp <> y'
- | isEmpty ys ->
- let (x', sp) = spaceOutR x in
- x' <> sp <> (stack y_rem_attr mempty)
- | otherwise ->
- let (x', xsp) = spaceOutR x
- (ysp, y') = spaceOutL y
- in
- x' <> xsp <> ysp <> y'
- False -> stack shared $
- combine
- (stack x_remaining xs)
- (stack y_remaining ys)
-
-(<+>) :: (Monoid a, Modifiable a, Eq a) => a -> a -> a
-x <+> y = combine x y
-
-concatReduce :: (Monoid a, Modifiable a) => [a] -> a
-concatReduce xs = foldl combine mempty xs
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-08 23:56:37 +0000