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-rw-r--r--src/Text/Pandoc/Writers/FB2.hs48
1 files changed, 32 insertions, 16 deletions
diff --git a/src/Text/Pandoc/Writers/FB2.hs b/src/Text/Pandoc/Writers/FB2.hs
index b7dc43685..6d61ea62c 100644
--- a/src/Text/Pandoc/Writers/FB2.hs
+++ b/src/Text/Pandoc/Writers/FB2.hs
@@ -338,13 +338,13 @@ blockToXml (LineBlock lns) =
blockToXml (OrderedList a bss) = do
state <- get
let pmrk = parentListMarker state
- let markers = map ((pmrk ++ " ") ++) $ orderedListMarkers a
+ let markers = map (pmrk ++) $ orderedListMarkers a
let mkitem mrk bs = do
- modify (\s -> s { parentListMarker = mrk })
- itemtext <- cMapM blockToXml . paraToPlain $ bs
+ modify (\s -> s { parentListMarker = mrk ++ " "})
+ item <- cMapM blockToXml $ plainToPara $ indentBlocks (mrk ++ " ") bs
modify (\s -> s { parentListMarker = pmrk }) -- old parent marker
- return . el "p" $ [ txt mrk, txt " " ] ++ itemtext
- zipWithM mkitem markers bss
+ return item
+ concat <$> (zipWithM mkitem markers bss)
blockToXml (BulletList bss) = do
state <- get
let level = parentBulletLevel state
@@ -354,10 +354,10 @@ blockToXml (BulletList bss) = do
let mrk = prefix ++ bullets !! (level `mod` length bullets)
let mkitem bs = do
modify (\s -> s { parentBulletLevel = level+1 })
- itemtext <- cMapM blockToXml . paraToPlain $ bs
+ item <- cMapM blockToXml $ plainToPara $ indentBlocks (mrk ++ " ") bs
modify (\s -> s { parentBulletLevel = level }) -- restore bullet level
- return $ el "p" $ txt (mrk ++ " ") : itemtext
- mapM mkitem bss
+ return item
+ cMapM mkitem bss
blockToXml (DefinitionList defs) =
cMapM mkdef defs
where
@@ -408,19 +408,24 @@ blockToXml Null = return []
paraToPlain :: [Block] -> [Block]
paraToPlain [] = []
paraToPlain (Para inlines : rest) =
- let p = Plain (inlines ++ [LineBreak])
- in p : paraToPlain rest
+ Plain (inlines) : Plain ([LineBreak]) : paraToPlain rest
paraToPlain (p:rest) = p : paraToPlain rest
+-- Replace plain text with paragraphs and add line break after paragraphs.
+-- It is used to convert plain text from tight list items to paragraphs.
+plainToPara :: [Block] -> [Block]
+plainToPara [] = []
+plainToPara (Plain inlines : rest) =
+ Para (inlines) : plainToPara rest
+plainToPara (Para inlines : rest) =
+ Para (inlines) : Plain [LineBreak] : plainToPara rest
+plainToPara (p:rest) = p : plainToPara rest
+
-- Simulate increased indentation level. Will not really work
-- for multi-line paragraphs.
-indent :: Block -> Block
-indent = indentBlock
+indentPrefix :: String -> Block -> Block
+indentPrefix spacer = indentBlock
where
- -- indentation space
- spacer :: String
- spacer = replicate 4 ' '
- --
indentBlock (Plain ins) = Plain (Str spacer:ins)
indentBlock (Para ins) = Para (Str spacer:ins)
indentBlock (CodeBlock a s) =
@@ -434,6 +439,17 @@ indent = indentBlock
indentLines ins = let lns = split isLineBreak ins :: [[Inline]]
in intercalate [LineBreak] $ map (Str spacer:) lns
+indent :: Block -> Block
+indent = indentPrefix spacer
+ where
+ -- indentation space
+ spacer :: String
+ spacer = replicate 4 ' '
+
+indentBlocks :: String -> [Block] -> [Block]
+indentBlocks _ [] = []
+indentBlocks prefix (x:xs) = indentPrefix prefix x : map (indentPrefix $ replicate (length prefix) ' ') xs
+
-- | Convert a Pandoc's Inline element to FictionBook XML representation.
toXml :: PandocMonad m => Inline -> FBM m [Content]
toXml (Str s) = return [txt s]