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#!/usr/bin/env runhaskell
\begin{code}
{-# LANGUAGE CPP #-}
import System.Cmd
import System.Environment
import System.FilePath
import System.Directory
import Data.List
import Control.Applicative
baseDir = takeDirectory __FILE__
main :: IO ()
main = do
contents <- filter (not . ignore) <$> getDirectoryContents (baseDir </> "out")
args <- getArgs
if not $ null args then
mapM_ copy [ baseDir </> "out" </> file | file <- contents, ".html" `isSuffixOf` file, takeBaseName file `elem` args ]
else
mapM_ copy [ baseDir </> "out" </> file | file <- contents]
where
ignore =
foldr (liftA2 (||)) (const False) [
(== ".")
, (== "..")
, (isPrefixOf "index")
, (isPrefixOf "doc-index")
]
copy :: FilePath -> IO ()
copy file = do
let new = baseDir </> "ref" </> takeFileName file
if ".html" `isSuffixOf` file then do
putStrLn (file ++ " -> " ++ new)
stripLinks <$> readFile file >>= writeFile new
else do
-- copy css, images, etc.
copyFile file new
stripLinks :: String -> String
stripLinks str =
let prefix = "<a href=\"" in
case stripPrefix prefix str of
Just str' -> prefix ++ stripLinks (dropWhile (/= '"') str')
Nothing ->
case str of
[] -> []
x : xs -> x : stripLinks xs
\end{code}
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