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|
-- | Module exporting pandoc bindings
--
module Hakyll.Web.Pandoc
( -- * The basic building blocks
readPandoc
, readPandocWith
, writePandoc
, writePandocWith
-- * Functions working on pages/compilers
, pageReadPandoc
, pageReadPandocWith
, pageRenderPandoc
, pageRenderPandocWith
-- * Default options
, defaultParserState
, defaultWriterOptions
) where
import Prelude hiding (id)
import Control.Applicative ((<$>))
import Control.Arrow ((>>^), (&&&))
import Control.Category (id)
import Text.Pandoc (Pandoc)
import qualified Text.Pandoc as P
import Hakyll.Core.Compiler
import Hakyll.Web.FileType
import Hakyll.Web.Page
-- | Read a string using pandoc, with the default options
--
readPandoc :: FileType -- ^ File type, determines how parsing happens
-> String -- ^ String to read
-> Pandoc -- ^ Resulting document
readPandoc = readPandocWith defaultParserState
-- | Read a string using pandoc, with the supplied options
--
readPandocWith :: P.ParserState -- ^ Parser options
-> FileType -- ^ File type, determines how parsing happens
-> String -- ^ String to read
-> Pandoc -- ^ Resulting document
readPandocWith state fileType' = case fileType' of
Html -> P.readHtml state
LaTeX -> P.readLaTeX state
LiterateHaskell t -> readPandocWith state {P.stateLiterateHaskell = True} t
Markdown -> P.readMarkdown state
Rst -> P.readRST state
t -> error $
"Hakyll.Web.readPandocWith: I don't know how to read " ++ show t
-- | Write a document (as HTML) using pandoc, with the default options
--
writePandoc :: Pandoc -- ^ Document to write
-> String -- ^ Resulting HTML
writePandoc = writePandocWith defaultWriterOptions
-- | Write a document (as HTML) using pandoc, with the supplied options
--
writePandocWith :: P.WriterOptions -- ^ Writer options for pandoc
-> Pandoc -- ^ Document to write
-> String -- ^ Resulting HTML
writePandocWith = P.writeHtmlString
-- | Read the resource using pandoc
--
pageReadPandoc :: Compiler (Page String) (Page Pandoc)
pageReadPandoc = pageReadPandocWith defaultParserState
-- | Read the resource using pandoc
--
pageReadPandocWith :: P.ParserState -> Compiler (Page String) (Page Pandoc)
pageReadPandocWith state =
id &&& getFileType >>^ pageReadPandocWith'
where
pageReadPandocWith' (p, t) = readPandocWith state t <$> p
-- | Render the resource using pandoc
--
pageRenderPandoc :: Compiler (Page String) (Page String)
pageRenderPandoc = pageRenderPandocWith defaultParserState defaultWriterOptions
-- | Render the resource using pandoc
--
pageRenderPandocWith :: P.ParserState
-> P.WriterOptions
-> Compiler (Page String) (Page String)
pageRenderPandocWith state options =
pageReadPandocWith state >>^ fmap (writePandocWith options)
-- | The default reader options for pandoc parsing in hakyll
--
defaultParserState :: P.ParserState
defaultParserState = P.defaultParserState
{ -- The following option causes pandoc to read smart typography, a nice
-- and free bonus.
P.stateSmart = True
}
-- | The default writer options for pandoc rendering in hakyll
--
defaultWriterOptions :: P.WriterOptions
defaultWriterOptions = P.defaultWriterOptions
{ -- This option causes literate haskell to be written using '>' marks in
-- html, which I think is a good default.
P.writerLiterateHaskell = True
}
|
