98 lines
3.2 KiB
Haskell
98 lines
3.2 KiB
Haskell
-- | Module exporting pandoc bindings
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--
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module Hakyll.Web.Pandoc
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( readPandoc
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, readPandocWith
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, writePandoc
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, writePandocWith
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, targetReadPandoc
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, targetReadPandocWith
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, targetRenderPandoc
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, targetRenderPandocWith
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, defaultParserState
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, defaultWriterOptions
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) where
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import Control.Applicative ((<$>), (<*>))
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import Text.Pandoc (Pandoc)
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import qualified Text.Pandoc as P
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import Hakyll.Web.FileType
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import Hakyll.Core.Target
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-- | Read a string using pandoc, with the default options
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--
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readPandoc :: FileType -- ^ File type, determines how parsing happens
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-> String -- ^ String to read
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-> Pandoc -- ^ Resulting document
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readPandoc = readPandocWith defaultParserState
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-- | Read a string using pandoc, with the supplied options
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--
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readPandocWith :: P.ParserState -- ^ Parser options
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-> FileType -- ^ File type, determines how parsing happens
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-> String -- ^ String to read
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-> Pandoc -- ^ Resulting document
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readPandocWith state fileType' = case fileType' of
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Html -> P.readHtml state
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LaTeX -> P.readLaTeX state
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LiterateHaskell t -> readPandocWith state {P.stateLiterateHaskell = True} t
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Markdown -> P.readMarkdown state
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Rst -> P.readRST state
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t -> error $
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"readPandoc: I don't know how to read " ++ show t
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-- | Write a document (as HTML) using pandoc, with the default options
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--
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writePandoc :: Pandoc -- ^ Document to write
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-> String -- ^ Resulting HTML
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writePandoc = writePandocWith defaultWriterOptions
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-- | Write a document (as HTML) using pandoc, with the supplied options
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--
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writePandocWith :: P.WriterOptions -- ^ Writer options for pandoc
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-> Pandoc -- ^ Document to write
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-> String -- ^ Resulting HTML
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writePandocWith = P.writeHtmlString
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-- | Read the resource using pandoc
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--
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targetReadPandoc :: TargetM a Pandoc
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targetReadPandoc = targetReadPandocWith defaultParserState
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-- | Read the resource using pandoc
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--
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targetReadPandocWith :: P.ParserState -> TargetM a Pandoc
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targetReadPandocWith state =
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readPandocWith state <$> getFileType <*> getResourceString
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-- | Render the resource using pandoc
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--
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targetRenderPandoc :: TargetM a String
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targetRenderPandoc =
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targetRenderPandocWith defaultParserState defaultWriterOptions
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-- | Render the resource using pandoc
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--
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targetRenderPandocWith :: P.ParserState -> P.WriterOptions -> TargetM a String
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targetRenderPandocWith state options =
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writePandocWith options <$> targetReadPandocWith state
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-- | The default reader options for pandoc parsing in hakyll
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--
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defaultParserState :: P.ParserState
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defaultParserState = P.defaultParserState
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{ -- The following option causes pandoc to read smart typography, a nice
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-- and free bonus.
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P.stateSmart = True
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}
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-- | The default writer options for pandoc rendering in hakyll
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--
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defaultWriterOptions :: P.WriterOptions
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defaultWriterOptions = P.defaultWriterOptions
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{ -- This option causes literate haskell to be written using '>' marks in
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-- html, which I think is a good default.
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P.writerLiterateHaskell = True
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}
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