diff options
Diffstat (limited to 'src/Text/Pandoc/Extensions.hs')
| -rw-r--r-- | src/Text/Pandoc/Extensions.hs | 84 |
1 files changed, 47 insertions, 37 deletions
diff --git a/src/Text/Pandoc/Extensions.hs b/src/Text/Pandoc/Extensions.hs index 9c55d0a7a..33f615740 100644 --- a/src/Text/Pandoc/Extensions.hs +++ b/src/Text/Pandoc/Extensions.hs @@ -40,31 +40,8 @@ import Data.Typeable (Typeable) import GHC.Generics (Generic) import Safe (readMay) import Text.Parsec -import Data.Aeson.TH (deriveJSON, defaultOptions) - -newtype Extensions = Extensions Integer - deriving (Show, Read, Eq, Ord, Data, Typeable, Generic) - -instance Semigroup Extensions where - (Extensions a) <> (Extensions b) = Extensions (a .|. b) -instance Monoid Extensions where - mempty = Extensions 0 - mappend = (<>) - -extensionsFromList :: [Extension] -> Extensions -extensionsFromList = foldr enableExtension emptyExtensions - -emptyExtensions :: Extensions -emptyExtensions = Extensions 0 - -extensionEnabled :: Extension -> Extensions -> Bool -extensionEnabled x (Extensions exts) = testBit exts (fromEnum x) - -enableExtension :: Extension -> Extensions -> Extensions -enableExtension x (Extensions exts) = Extensions (setBit exts (fromEnum x)) - -disableExtension :: Extension -> Extensions -> Extensions -disableExtension x (Extensions exts) = Extensions (clearBit exts (fromEnum x)) +import Data.Aeson.TH (deriveJSON) +import Data.Aeson -- | Individually selectable syntax extensions. data Extension = @@ -74,6 +51,7 @@ data Extension = | Ext_angle_brackets_escapable -- ^ Make < and > escapable | Ext_ascii_identifiers -- ^ ascii-only identifiers for headers; -- presupposes Ext_auto_identifiers + | Ext_attributes -- ^ Generic attribute syntax | Ext_auto_identifiers -- ^ Automatic identifiers for headers | Ext_autolink_bare_uris -- ^ Make all absolute URIs into links | Ext_backtick_code_blocks -- ^ GitHub style ``` code blocks @@ -105,6 +83,7 @@ data Extension = -- header identifiers; presupposes -- Ext_auto_identifiers | Ext_grid_tables -- ^ Grid tables (pandoc, reST) + | Ext_gutenberg -- ^ Use Project Gutenberg conventions for plain | Ext_hard_line_breaks -- ^ All newlines become hard line breaks | Ext_header_attributes -- ^ Explicit header attributes {#id .class k=v} | Ext_ignore_line_breaks -- ^ Newlines in paragraphs are ignored @@ -138,9 +117,11 @@ data Extension = | Ext_raw_markdown -- ^ Parse markdown in ipynb as raw markdown | Ext_rebase_relative_paths -- ^ Rebase relative image and link paths, -- relative to directory of containing file + | Ext_short_subsuperscripts -- ^ sub-&superscripts w/o closing char (v~i) | Ext_shortcut_reference_links -- ^ Shortcut reference links | Ext_simple_tables -- ^ Pandoc-style simple tables | Ext_smart -- ^ "Smart" quotes, apostrophes, ellipses, dashes + | Ext_sourcepos -- ^ Include source position attributes | Ext_space_in_atx_header -- ^ Require space between # and header text | Ext_spaced_reference_links -- ^ Allow space between two parts of ref link | Ext_startnum -- ^ Make start number of ordered list significant @@ -156,11 +137,42 @@ data Extension = | Ext_xrefs_name -- ^ Use xrefs with names | Ext_xrefs_number -- ^ Use xrefs with numbers | Ext_yaml_metadata_block -- ^ YAML metadata block - | Ext_gutenberg -- ^ Use Project Gutenberg conventions for plain - | Ext_attributes -- ^ Generic attribute syntax - | Ext_sourcepos -- ^ Include source position attributes deriving (Show, Read, Enum, Eq, Ord, Bounded, Data, Typeable, Generic) +$(deriveJSON defaultOptions{ constructorTagModifier = drop 4 } ''Extension) + +newtype Extensions = Extensions Integer + deriving (Show, Read, Eq, Ord, Data, Typeable, Generic) + +instance Semigroup Extensions where + (Extensions a) <> (Extensions b) = Extensions (a .|. b) +instance Monoid Extensions where + mempty = Extensions 0 + mappend = (<>) + +instance FromJSON Extensions where + parseJSON = + return . foldr enableExtension emptyExtensions . fromJSON + +instance ToJSON Extensions where + toJSON exts = toJSON $ + [ext | ext <- [minBound..maxBound], extensionEnabled ext exts] + +extensionsFromList :: [Extension] -> Extensions +extensionsFromList = foldr enableExtension emptyExtensions + +emptyExtensions :: Extensions +emptyExtensions = Extensions 0 + +extensionEnabled :: Extension -> Extensions -> Bool +extensionEnabled x (Extensions exts) = testBit exts (fromEnum x) + +enableExtension :: Extension -> Extensions -> Extensions +enableExtension x (Extensions exts) = Extensions (setBit exts (fromEnum x)) + +disableExtension :: Extension -> Extensions -> Extensions +disableExtension x (Extensions exts) = Extensions (clearBit exts (fromEnum x)) + -- | Extensions to be used with pandoc-flavored markdown. pandocExtensions :: Extensions pandocExtensions = extensionsFromList @@ -286,14 +298,9 @@ multimarkdownExtensions = extensionsFromList , Ext_auto_identifiers , Ext_mmd_header_identifiers , Ext_implicit_figures - -- Note: MMD's syntax for superscripts and subscripts - -- is a bit more permissive than pandoc's, allowing - -- e^2 and a~1 instead of e^2^ and a~1~, so even with - -- these options we don't have full support for MMD - -- superscripts and subscripts, but there's no reason - -- not to include these: - , Ext_superscript + , Ext_short_subsuperscripts , Ext_subscript + , Ext_superscript , Ext_backtick_code_blocks , Ext_spaced_reference_links -- So far only in dev version of mmd: @@ -357,6 +364,7 @@ getDefaultExtensions "gfm" = extensionsFromList , Ext_task_lists , Ext_emoji , Ext_yaml_metadata_block + , Ext_footnotes ] getDefaultExtensions "commonmark" = extensionsFromList [Ext_raw_html] @@ -424,6 +432,8 @@ getDefaultExtensions "jats_archiving" = getDefaultExtensions "jats" getDefaultExtensions "jats_publishing" = getDefaultExtensions "jats" getDefaultExtensions "jats_articleauthoring" = getDefaultExtensions "jats" getDefaultExtensions "opml" = pandocExtensions -- affects notes +getDefaultExtensions "markua" = extensionsFromList + [] getDefaultExtensions _ = extensionsFromList [Ext_auto_identifiers] @@ -464,6 +474,7 @@ getAllExtensions f = universalExtensions <> getAll f , Ext_gutenberg , Ext_smart , Ext_literate_haskell + , Ext_short_subsuperscripts , Ext_rebase_relative_paths ] getAll "markdown_strict" = allMarkdownExtensions @@ -475,6 +486,7 @@ getAllExtensions f = universalExtensions <> getAll f [ Ext_raw_markdown ] getAll "docx" = autoIdExtensions <> extensionsFromList [ Ext_empty_paragraphs + , Ext_native_numbering , Ext_styles ] getAll "opendocument" = extensionsFromList @@ -619,5 +631,3 @@ parseFormatSpec = parse formatSpec "" '+' -> (ext : extsToEnable, extsToDisable) _ -> (extsToEnable, ext : extsToDisable) -$(deriveJSON defaultOptions ''Extension) -$(deriveJSON defaultOptions ''Extensions) |