diff options
Diffstat (limited to 'src/Text/Pandoc/Readers/Org/ParserState.hs')
| -rw-r--r-- | src/Text/Pandoc/Readers/Org/ParserState.hs | 156 |
1 files changed, 90 insertions, 66 deletions
diff --git a/src/Text/Pandoc/Readers/Org/ParserState.hs b/src/Text/Pandoc/Readers/Org/ParserState.hs index 38f95ca95..6316766fa 100644 --- a/src/Text/Pandoc/Readers/Org/ParserState.hs +++ b/src/Text/Pandoc/Readers/Org/ParserState.hs @@ -1,8 +1,7 @@ -{-# LANGUAGE FlexibleInstances #-} -{-# LANGUAGE GeneralizedNewtypeDeriving #-} +{-# LANGUAGE FlexibleInstances #-} {-# LANGUAGE MultiParamTypeClasses #-} {- -Copyright (C) 2014-2016 Albert Krewinkel <tarleb+pandoc@moltkeplatz.de> +Copyright (C) 2014-2018 Albert Krewinkel <tarleb+pandoc@moltkeplatz.de> This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -20,8 +19,8 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -} {- | - Module : Text.Pandoc.Readers.Org.Options - Copyright : Copyright (C) 2014-2016 Albert Krewinkel + Module : Text.Pandoc.Readers.Org.ParserState + Copyright : Copyright (C) 2014-2018 Albert Krewinkel License : GNU GPL, version 2 or above Maintainer : Albert Krewinkel <tarleb+pandoc@moltkeplatz.de> @@ -30,16 +29,21 @@ Define the Org-mode parser state. -} module Text.Pandoc.Readers.Org.ParserState ( OrgParserState (..) + , defaultOrgParserState , OrgParserLocal (..) , OrgNoteRecord , HasReaderOptions (..) , HasQuoteContext (..) + , HasMacros (..) , TodoMarker (..) , TodoSequence , TodoState (..) , activeTodoMarkers , registerTodoSequence - , F(..) + , MacroExpander + , lookupMacro + , registerMacro + , F , askF , asksF , trimInlinesF @@ -50,24 +54,28 @@ module Text.Pandoc.Readers.Org.ParserState , optionsToParserState ) where -import Control.Monad (liftM, liftM2) -import Control.Monad.Reader (Reader, runReader, ask, asks, local) +import Control.Monad.Reader (ReaderT, asks, local) -import Data.Default (Default(..)) +import Data.Default (Default (..)) import qualified Data.Map as M import qualified Data.Set as Set - -import Text.Pandoc.Builder ( Inlines, Blocks, trimInlines ) -import Text.Pandoc.Definition ( Meta(..), nullMeta ) -import Text.Pandoc.Options ( ReaderOptions(..) ) -import Text.Pandoc.Parsing ( HasHeaderMap(..) - , HasIdentifierList(..) - , HasLastStrPosition(..) - , HasQuoteContext(..) - , HasReaderOptions(..) - , ParserContext(..) - , QuoteContext(..) - , SourcePos ) +import Data.Text (Text) + +import Text.Pandoc.Builder (Blocks, Inlines) +import Text.Pandoc.Definition (Meta (..), nullMeta) +import Text.Pandoc.Logging +import Text.Pandoc.Options (ReaderOptions (..)) +import Text.Pandoc.Parsing (Future, HasHeaderMap (..), HasIdentifierList (..), + HasIncludeFiles (..), HasLastStrPosition (..), + HasLogMessages (..), HasMacros (..), + HasQuoteContext (..), HasReaderOptions (..), + ParserContext (..), QuoteContext (..), SourcePos, + askF, asksF, returnF, runF, trimInlinesF) +import Text.Pandoc.Readers.LaTeX.Types (Macro) + +-- | This is used to delay evaluation until all relevant information has been +-- parsed and made available in the parser state. +type F = Future OrgParserState -- | An inline note / footnote containing the note key and its (inline) value. type OrgNoteRecord = (String, F Blocks) @@ -76,6 +84,8 @@ type OrgNoteTable = [OrgNoteRecord] -- | Map of functions for link transformations. The map key is refers to the -- link-type, the corresponding function transforms the given link string. type OrgLinkFormatters = M.Map String (String -> String) +-- | Macro expander function +type MacroExpander = [String] -> String -- | The states in which a todo item can be data TodoState = Todo | Done @@ -95,22 +105,34 @@ type TodoSequence = [TodoMarker] data OrgParserState = OrgParserState { orgStateAnchorIds :: [String] , orgStateEmphasisCharStack :: [Char] + , orgStateEmphasisPreChars :: [Char] -- ^ Chars allowed to occur before + -- emphasis; spaces and newlines are + -- always ok in addition to what is + -- specified here. + , orgStateEmphasisPostChars :: [Char] -- ^ Chars allowed at after emphasis , orgStateEmphasisNewlines :: Maybe Int , orgStateExportSettings :: ExportSettings , orgStateHeaderMap :: M.Map Inlines String , orgStateIdentifiers :: Set.Set String + , orgStateIncludeFiles :: [String] , orgStateLastForbiddenCharPos :: Maybe SourcePos , orgStateLastPreCharPos :: Maybe SourcePos , orgStateLastStrPos :: Maybe SourcePos , orgStateLinkFormatters :: OrgLinkFormatters + , orgStateMacros :: M.Map String MacroExpander + , orgStateMacroDepth :: Int , orgStateMeta :: F Meta , orgStateNotes' :: OrgNoteTable , orgStateOptions :: ReaderOptions , orgStateParserContext :: ParserContext , orgStateTodoSequences :: [TodoSequence] + , orgLogMessages :: [LogMessage] + , orgMacros :: M.Map Text Macro } -data OrgParserLocal = OrgParserLocal { orgLocalQuoteContext :: QuoteContext } +data OrgParserLocal = OrgParserLocal + { orgLocalQuoteContext :: QuoteContext + } instance Default OrgParserLocal where def = OrgParserLocal NoQuote @@ -122,7 +144,7 @@ instance HasLastStrPosition OrgParserState where getLastStrPos = orgStateLastStrPos setLastStrPos pos st = st{ orgStateLastStrPos = Just pos } -instance HasQuoteContext st (Reader OrgParserLocal) where +instance Monad m => HasQuoteContext st (ReaderT OrgParserLocal m) where getQuoteContext = asks orgLocalQuoteContext withQuoteContext q = local (\s -> s{orgLocalQuoteContext = q}) @@ -134,26 +156,47 @@ instance HasHeaderMap OrgParserState where extractHeaderMap = orgStateHeaderMap updateHeaderMap f s = s{ orgStateHeaderMap = f (orgStateHeaderMap s) } +instance HasLogMessages OrgParserState where + addLogMessage msg st = st{ orgLogMessages = msg : orgLogMessages st } + getLogMessages st = reverse $ orgLogMessages st + +instance HasMacros OrgParserState where + extractMacros st = orgMacros st + updateMacros f st = st{ orgMacros = f (orgMacros st) } + +instance HasIncludeFiles OrgParserState where + getIncludeFiles = orgStateIncludeFiles + addIncludeFile f st = st { orgStateIncludeFiles = f : orgStateIncludeFiles st } + dropLatestIncludeFile st = + st { orgStateIncludeFiles = drop 1 $ orgStateIncludeFiles st } + instance Default OrgParserState where def = defaultOrgParserState defaultOrgParserState :: OrgParserState defaultOrgParserState = OrgParserState { orgStateAnchorIds = [] + , orgStateEmphasisPreChars = "-\t ('\"{" + , orgStateEmphasisPostChars = "-\t\n .,:!?;'\")}[" , orgStateEmphasisCharStack = [] , orgStateEmphasisNewlines = Nothing , orgStateExportSettings = def , orgStateHeaderMap = M.empty , orgStateIdentifiers = Set.empty + , orgStateIncludeFiles = [] , orgStateLastForbiddenCharPos = Nothing , orgStateLastPreCharPos = Nothing , orgStateLastStrPos = Nothing , orgStateLinkFormatters = M.empty + , orgStateMacros = M.empty + , orgStateMacroDepth = 0 , orgStateMeta = return nullMeta , orgStateNotes' = [] , orgStateOptions = def , orgStateParserContext = NullState , orgStateTodoSequences = [] + , orgLogMessages = [] + , orgMacros = M.empty } optionsToParserState :: ReaderOptions -> OrgParserState @@ -177,6 +220,15 @@ activeTodoSequences st = activeTodoMarkers :: OrgParserState -> TodoSequence activeTodoMarkers = concat . activeTodoSequences +lookupMacro :: String -> OrgParserState -> Maybe MacroExpander +lookupMacro macroName = M.lookup macroName . orgStateMacros + +registerMacro :: (String, MacroExpander) -> OrgParserState -> OrgParserState +registerMacro (name, expander) st = + let curMacros = orgStateMacros st + in st{ orgStateMacros = M.insert name expander curMacros } + + -- -- Export Settings @@ -191,20 +243,22 @@ data ArchivedTreesOption = -- | Export settings <http://orgmode.org/manual/Export-settings.html> -- These settings can be changed via OPTIONS statements. data ExportSettings = ExportSettings - { exportArchivedTrees :: ArchivedTreesOption -- ^ How to treat archived trees - , exportDrawers :: Either [String] [String] + { exportArchivedTrees :: ArchivedTreesOption -- ^ How to treat archived trees + , exportDrawers :: Either [String] [String] -- ^ Specify drawer names which should be exported. @Left@ names are -- explicitly excluded from the resulting output while @Right@ means that -- only the listed drawer names should be included. - , exportEmphasizedText :: Bool -- ^ Parse emphasized text - , exportHeadlineLevels :: Int + , exportEmphasizedText :: Bool -- ^ Parse emphasized text + , exportHeadlineLevels :: Int -- ^ Maximum depth of headlines, deeper headlines are convert to list - , exportSmartQuotes :: Bool -- ^ Parse quotes smartly - , exportSpecialStrings :: Bool -- ^ Parse ellipses and dashes smartly - , exportSubSuperscripts :: Bool -- ^ TeX-like syntax for sub- and superscripts - , exportWithAuthor :: Bool -- ^ Include author in final meta-data - , exportWithCreator :: Bool -- ^ Include creator in final meta-data - , exportWithEmail :: Bool -- ^ Include email in final meta-data + , exportPreserveBreaks :: Bool -- ^ Whether to preserve linebreaks + , exportSmartQuotes :: Bool -- ^ Parse quotes smartly + , exportSpecialStrings :: Bool -- ^ Parse ellipses and dashes smartly + , exportSubSuperscripts :: Bool -- ^ TeX-like syntax for sub- and superscripts + , exportWithAuthor :: Bool -- ^ Include author in final meta-data + , exportWithCreator :: Bool -- ^ Include creator in final meta-data + , exportWithEmail :: Bool -- ^ Include email in final meta-data + , exportWithTags :: Bool -- ^ Keep tags as part of headlines , exportWithTodoKeywords :: Bool -- ^ Keep TODO keywords in headers } @@ -217,43 +271,13 @@ defaultExportSettings = ExportSettings , exportDrawers = Left ["LOGBOOK"] , exportEmphasizedText = True , exportHeadlineLevels = 3 - , exportSmartQuotes = True + , exportPreserveBreaks = False + , exportSmartQuotes = False , exportSpecialStrings = True , exportSubSuperscripts = True , exportWithAuthor = True , exportWithCreator = True , exportWithEmail = True + , exportWithTags = True , exportWithTodoKeywords = True } - - --- --- Parser state reader --- - --- | Reader monad wrapping the parser state. This is used to delay evaluation --- until all relevant information has been parsed and made available in the --- parser state. See also the newtype of the same name in --- Text.Pandoc.Parsing. -newtype F a = F { unF :: Reader OrgParserState a - } deriving (Functor, Applicative, Monad) - -instance Monoid a => Monoid (F a) where - mempty = return mempty - mappend = liftM2 mappend - mconcat = fmap mconcat . sequence - -runF :: F a -> OrgParserState -> a -runF = runReader . unF - -askF :: F OrgParserState -askF = F ask - -asksF :: (OrgParserState -> a) -> F a -asksF f = F $ asks f - -trimInlinesF :: F Inlines -> F Inlines -trimInlinesF = liftM trimInlines - -returnF :: Monad m => a -> m (F a) -returnF = return . return |