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{-
oso2pdf --- Better conversion of Oxford Scholarship Online material to PDF
Copyright (C) 2015 Sean Whitton
This file is part of oso2pdf.
oso2pdf is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
oso2pdf is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with oso2pdf. If not, see <http://www.gnu.org/licenses/>.
-}
{-# LANGUAGE TemplateHaskell #-}
import Control.Lens hiding (argument)
import Control.Monad (when)
import Data.List (isInfixOf)
import Options.Applicative
import System.Directory (findExecutable)
import System.Exit (die)
import System.FilePath (takeBaseName, (</>))
import System.IO.Temp
import System.Process
data Opts = Opts { _font :: String, _input :: FilePath }
makeLenses ''Opts
optsParser :: Parser Opts
optsParser = Opts
<$> strOption (long "font" <> metavar "FONT" <> value "Liberation Serif")
<*> argument str (metavar "INPUT")
narrowToContent :: String -> (String, String, String)
narrowToContent full = (body, notes ++ "</div></div>", footer)
where
ls = lines full
body = unlines
. takeWhile (\x -> not . isInfixOf "<div id=\"notes\">" $ x)
. dropWhile (\x -> not . isInfixOf "<div class=\"div1\">" $ x)
$ ls
notes = unlines
. takeWhile (\x -> not . isInfixOf "</div></div></div>" $ x)
. dropWhile (\x -> not . isInfixOf "<div id=\"notes\">" $ x)
$ ls
footer = unlines . filter ("printFooterCopyright" `isInfixOf`) $ ls
main = do
-- 1. check for existence of other programs we're gonna call
pandoc <- maybe False (const True) <$> findExecutable "pandoc"
pandoc_oso2tex <- maybe False (const True) <$> findExecutable "pandoc-oso2tex"
when (not pandoc) $ die "could not find pandoc executable"
when (not pandoc_oso2tex) $ die "could not find pandoc-oso2tex executable"
-- 2. parse command line options
opts <- execParser $ info optsParser mempty
-- 3. get HTML content
(body, notes, footer) <- narrowToContent <$> readFile (opts ^. input)
-- 4. go go go
let contentFile = (takeBaseName $ opts ^. input) ++ "-content.pdf"
let notesFile = (takeBaseName $ opts ^. input) ++ "-notes.pdf"
withSystemTempDirectory "oso2pdf" $ \dir -> do
writeFile (dir </> "content.html") (body ++ footer)
writeFile (dir </> "notes.html") (notes ++ footer)
runPandoc (dir </> "content.html") contentFile (opts ^. font)
runPandoc (dir </> "notes.html") notesFile (opts ^. font)
runPandoc :: String -> String -> String -> IO ()
runPandoc input output font = do
readProcess "pandoc" [ "-s"
, input
, "--filter"
, "pandoc-oso2tex"
, "--variable"
, "mainfont=" ++ font
, "--latex-engine=xelatex"
, "-V"
, "documentclass=pessay"
, "-V"
, "classoption=onehalf"
, "--template=pessay"
, "-o"
, output] ""
return ()
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