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authorAlbert Krewinkel <tarleb@moltkeplatz.de>2014-04-04 14:17:43 +0200
committerAlbert Krewinkel <tarleb@moltkeplatz.de>2014-04-05 16:13:18 +0200
commit7cf7e45e4cbb99b320a92b4bd31e433f535d3ef7 (patch)
tree2874df40c43e6302693fecdf8d660de1d36dc0c1 /src/Text/Pandoc/Readers
parent4ee92dce0ce624db2d02c60ae2856a70cfeb6c42 (diff)
downloadpandoc-7cf7e45e4cbb99b320a92b4bd31e433f535d3ef7.tar.gz
Org reader: Slight cleaning of table parsing code
Diffstat (limited to 'src/Text/Pandoc/Readers')
-rw-r--r--src/Text/Pandoc/Readers/Org.hs68
1 files changed, 35 insertions, 33 deletions
diff --git a/src/Text/Pandoc/Readers/Org.hs b/src/Text/Pandoc/Readers/Org.hs
index 5dc250f04..8b155194b 100644
--- a/src/Text/Pandoc/Readers/Org.hs
+++ b/src/Text/Pandoc/Readers/Org.hs
@@ -217,13 +217,18 @@ data OrgTableRow = OrgContentRow [Blocks]
| OrgHlineRow
deriving (Eq, Show)
-type OrgTableContent = (Int, [Alignment], [Double], [Blocks], [[Blocks]])
+data OrgTable = OrgTable
+ { orgTableColumns :: Int
+ , orgTableAlignments :: [Alignment]
+ , orgTableHeader :: [Blocks]
+ , orgTableRows :: [[Blocks]]
+ } deriving (Eq, Show)
table :: OrgParser Blocks
table = try $ do
lookAhead tableStart
- (_, aligns, widths, heads, lns) <- normalizeTable . tableContent <$> tableRows
- return $ B.table "" (zip aligns widths) heads lns
+ OrgTable _ aligns heads lns <- normalizeTable . rowsToTable <$> tableRows
+ return $ B.table "" (zip aligns $ repeat 0) heads lns
tableStart :: OrgParser Char
tableStart = try $ skipSpaces *> char '|'
@@ -237,10 +242,9 @@ tableContentRow = try $
tableContentCell :: OrgParser Blocks
tableContentCell = try $
- B.plain . trimInlines . mconcat <$> many1Till inline (try endOfCell)
+ B.plain . trimInlines . mconcat <$> many1Till inline endOfCell
endOfCell :: OrgParser Char
--- endOfCell = char '|' <|> newline
endOfCell = try $ char '|' <|> lookAhead newline
tableAlignRow :: OrgParser OrgTableRow
@@ -269,54 +273,53 @@ tableHline :: OrgParser OrgTableRow
tableHline = try $
OrgHlineRow <$ (tableStart *> char '-' *> anyLine)
-tableContent :: [OrgTableRow]
- -> OrgTableContent
-tableContent = foldl' (flip rowToContent) (0, mempty, repeat 0, mempty, mempty)
+rowsToTable :: [OrgTableRow]
+ -> OrgTable
+rowsToTable = foldl' (flip rowToContent) zeroTable
+ where zeroTable = OrgTable 0 mempty mempty mempty
-normalizeTable :: OrgTableContent
- -> OrgTableContent
-normalizeTable (cols, aligns, widths, heads, lns) =
+normalizeTable :: OrgTable
+ -> OrgTable
+normalizeTable (OrgTable cols aligns heads lns) =
let aligns' = fillColumns aligns AlignDefault
- widths' = fillColumns widths 0.0
heads' = if heads == mempty
- then heads
+ then mempty
else fillColumns heads (B.plain mempty)
lns' = map (flip fillColumns (B.plain mempty)) lns
fillColumns base padding = take cols $ base ++ repeat padding
- in (cols, aligns', widths', heads', lns')
+ in OrgTable cols aligns' heads' lns'
-- One or more horizontal rules after the first content line mark the previous
-- line as a header. All other horizontal lines are discarded.
rowToContent :: OrgTableRow
- -> OrgTableContent
- -> OrgTableContent
+ -> OrgTable
+ -> OrgTable
rowToContent OrgHlineRow = maybeBodyToHeader
rowToContent (OrgContentRow rs) = setLongestRow rs . appendToBody rs
rowToContent (OrgAlignRow as) = setLongestRow as . setAligns as
setLongestRow :: [a]
- -> OrgTableContent
- -> OrgTableContent
-setLongestRow r (cols, aligns, widths, heads, lns) =
- (max cols (length r), aligns, widths, heads, lns)
+ -> OrgTable
+ -> OrgTable
+setLongestRow rs t = t{ orgTableColumns = max (length rs) (orgTableColumns t) }
-maybeBodyToHeader :: OrgTableContent
- -> OrgTableContent
-maybeBodyToHeader (cols, aligns, widths, [], b:[]) = (cols, aligns, widths, b, [])
-maybeBodyToHeader content = content
+maybeBodyToHeader :: OrgTable
+ -> OrgTable
+maybeBodyToHeader t = case t of
+ OrgTable{ orgTableHeader = [], orgTableRows = b:[] } ->
+ t{ orgTableHeader = b , orgTableRows = [] }
+ _ -> t
appendToBody :: [Blocks]
- -> OrgTableContent
- -> OrgTableContent
-appendToBody r (cols, aligns, widths, heads, lns) =
- (cols, aligns, widths, heads, lns ++ [r])
+ -> OrgTable
+ -> OrgTable
+appendToBody r t = t{ orgTableRows = orgTableRows t ++ [r] }
setAligns :: [Alignment]
- -> OrgTableContent
- -> OrgTableContent
-setAligns aligns (cols, _, widths, heads, lns) =
- (cols, aligns, widths, heads, lns)
+ -> OrgTable
+ -> OrgTable
+setAligns aligns t = t{ orgTableAlignments = aligns }
-- Paragraphs or Plain text
paraOrPlain :: OrgParser Blocks
@@ -549,4 +552,3 @@ endsOnThisLine input c doOnOtherLines = do
then return ()
else endsOnThisLine rest c doOnOtherLines
_ -> mzero
-