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author | schrieveslaach <schrieveslaach@online.de> | 2017-06-12 15:52:29 +0200 |
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committer | GitHub <noreply@github.com> | 2017-06-12 15:52:29 +0200 |
commit | 635f299b441e238ccd34e3ad61c5e36f0ca30067 (patch) | |
tree | 11cfc34402975bad208f9a48d075fe2ace959e70 /src/Text/Pandoc/Readers/Org/Meta.hs | |
parent | 181c56d4003aa83abed23b95a452c4890aa3797c (diff) | |
parent | 23f3c2d7b4796d1af742a74999ce67924bf2abb3 (diff) | |
download | pandoc-635f299b441e238ccd34e3ad61c5e36f0ca30067.tar.gz |
Merge branch 'master' into textcolor-support
Diffstat (limited to 'src/Text/Pandoc/Readers/Org/Meta.hs')
-rw-r--r-- | src/Text/Pandoc/Readers/Org/Meta.hs | 40 |
1 files changed, 33 insertions, 7 deletions
diff --git a/src/Text/Pandoc/Readers/Org/Meta.hs b/src/Text/Pandoc/Readers/Org/Meta.hs index 7938fc6c6..d22902eae 100644 --- a/src/Text/Pandoc/Readers/Org/Meta.hs +++ b/src/Text/Pandoc/Readers/Org/Meta.hs @@ -44,7 +44,7 @@ import qualified Text.Pandoc.Builder as B import Text.Pandoc.Class (PandocMonad) import Text.Pandoc.Definition -import Control.Monad (mzero, void) +import Control.Monad (mzero, void, when) import Data.Char (toLower) import Data.List (intersperse) import qualified Data.Map as M @@ -75,14 +75,16 @@ declarationLine :: PandocMonad m => OrgParser m () declarationLine = try $ do key <- map toLower <$> metaKey (key', value) <- metaValue key - updateState $ \st -> st { orgStateMeta = B.setMeta key' <$> value <*> orgStateMeta st } + let addMetaValue st = + st { orgStateMeta = B.setMeta key' <$> value <*> orgStateMeta st } + when (key' /= "results") $ updateState addMetaValue metaKey :: Monad m => OrgParser m String metaKey = map toLower <$> many1 (noneOf ": \n\r") <* char ':' <* skipSpaces -metaValue :: PandocMonad m => String -> OrgParser m (String, (F MetaValue)) +metaValue :: PandocMonad m => String -> OrgParser m (String, F MetaValue) metaValue key = let inclKey = "header-includes" in case key of @@ -109,7 +111,7 @@ metaInlines = fmap (MetaInlines . B.toList) <$> inlinesTillNewline metaInlinesCommaSeparated :: PandocMonad m => OrgParser m (F MetaValue) metaInlinesCommaSeparated = do - itemStrs <- (many1 (noneOf ",\n")) `sepBy1` (char ',') + itemStrs <- many1 (noneOf ",\n") `sepBy1` char ',' newline items <- mapM (parseFromString inlinesTillNewline . (++ "\n")) itemStrs let toMetaInlines = MetaInlines . B.toList @@ -151,6 +153,7 @@ optionLine = try $ do "todo" -> todoSequence >>= updateState . registerTodoSequence "seq_todo" -> todoSequence >>= updateState . registerTodoSequence "typ_todo" -> todoSequence >>= updateState . registerTodoSequence + "macro" -> macroDefinition >>= updateState . registerMacro _ -> mzero addLinkFormat :: Monad m => String @@ -160,7 +163,7 @@ addLinkFormat key formatter = updateState $ \s -> let fs = orgStateLinkFormatters s in s{ orgStateLinkFormatters = M.insert key formatter fs } -parseLinkFormat :: Monad m => OrgParser m ((String, String -> String)) +parseLinkFormat :: Monad m => OrgParser m (String, String -> String) parseLinkFormat = try $ do linkType <- (:) <$> letter <*> many (alphaNum <|> oneOf "-_") <* skipSpaces linkSubst <- parseFormat @@ -169,8 +172,7 @@ parseLinkFormat = try $ do -- | An ad-hoc, single-argument-only implementation of a printf-style format -- parser. parseFormat :: Monad m => OrgParser m (String -> String) -parseFormat = try $ do - replacePlain <|> replaceUrl <|> justAppend +parseFormat = try $ replacePlain <|> replaceUrl <|> justAppend where -- inefficient, but who cares replacePlain = try $ (\x -> concat . flip intersperse x) @@ -218,3 +220,27 @@ todoSequence = try $ do let todoMarkers = map (TodoMarker Todo) todo doneMarkers = map (TodoMarker Done) done in todoMarkers ++ doneMarkers + +macroDefinition :: Monad m => OrgParser m (String, [String] -> String) +macroDefinition = try $ do + macroName <- many1 nonspaceChar <* skipSpaces + firstPart <- expansionPart + (elemOrder, parts) <- unzip <$> many ((,) <$> placeholder <*> expansionPart) + let expander = mconcat . alternate (firstPart:parts) . reorder elemOrder + return (macroName, expander) + where + placeholder :: Monad m => OrgParser m Int + placeholder = try . fmap read $ char '$' *> many1 digit + + expansionPart :: Monad m => OrgParser m String + expansionPart = try $ many (notFollowedBy placeholder *> noneOf "\n\r") + + alternate :: [a] -> [a] -> [a] + alternate [] ys = ys + alternate xs [] = xs + alternate (x:xs) (y:ys) = x : y : alternate xs ys + + reorder :: [Int] -> [String] -> [String] + reorder perm xs = + let element n = take 1 $ drop (n - 1) xs + in concatMap element perm |