mirror of
https://github.com/GrammaticalFramework/gf-core.git
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103 lines
3.2 KiB
Haskell
103 lines
3.2 KiB
Haskell
----------------------------------------------------------------------
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-- |
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-- Maintainer : AR
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-- Stability : (stable)
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-- Portability : (portable)
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--
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-- > CVS $Date: 2005/05/16 17:07:18 $
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-- > CVS $Author: aarne $
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-- > CVS $Revision: 1.11 $
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--
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-- chop an HTML file into separate files, each linked to the next and previous.
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-- the names of the files are n-file, with n = 01,02,...
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-- the chopping is performed at each separator, here defined as @\<!-- NEW --\>@
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--
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-- AR 7\/1\/2002 for the Vinnova meeting in Linköping.
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-- Added table of contents generation in file 00, 16/4/2005
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-----------------------------------------------------------------------------
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module Main (main) where
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import System.Environment(getArgs)
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import Data.Char
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main :: IO ()
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main = do
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file:_ <- getArgs
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htmls file
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htmls :: FilePath -> IO ()
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htmls file = do
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s <- readFile file
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let ss = allPages file s
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lg = length ss
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putStrLn $ show lg ++ " slides"
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mapM_ (uncurry writeFile . mkFile file lg) ss
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allPages :: FilePath -> String -> [(Int,String)]
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allPages file s = addIndex $ zip [1..] $ map unlines $ chop lss where
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chop ls = case span isNoSep ls of
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(s,_:ss) -> s : chop ss
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_ -> [ls]
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isNoSep = (/= separator)
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addIndex = ((0,mkIndex file lss) :)
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lss = lines s
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mkFile :: FilePath -> Int -> (Int,String) -> (FilePath,String)
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mkFile base mx (number,content) =
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(fileName base number,
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unlines [
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begHTML,
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"<font size=1>",
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pageNum mx number,
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link base mx number,
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"</font>",
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"<p>",
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content,
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endHTML
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]
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)
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begHTML, endHTML, separator :: String
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begHTML = "<html><body bgcolor=\"#FFFFFF\" text=\"#000000\">"
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endHTML = "</body></html>"
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separator = "<!-- NEW -->"
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link :: FilePath -> Int -> Int -> String
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link file mx n =
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(if n >= mx-1 then "" else (" <a href=\"" ++ file' ++ "\">Next</a>")) ++
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(if n == 1 then "" else (" <a href=\"" ++ file_ ++ "\">Previous</a>")) ++
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(" <a href=\"" ++ file0 ++ "\">Contents</a>") ++
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(" <a href=\"" ++ file ++ "\">Fulltext</a>") ++
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(" <a href=\"" ++ file1 ++ "\">First</a>") ++
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(" <a href=\"" ++ file2 ++ "\">Last</a>")
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where
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file_ = fileName file (n - 1)
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file' = fileName file (n + 1)
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file0 = fileName file 0
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file1 = fileName file 1
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file2 = fileName file (mx - 1)
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fileName :: FilePath -> Int -> FilePath
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fileName file n = (if n < 10 then ('0':) else id) $ show n ++ "-" ++ file
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pageNum mx num = "<p align=right>" ++ show num ++"/" ++ show (mx-1) ++ "</p>"
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mkIndex file = unlines . mkInd 1 where
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mkInd n ss = case ss of
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s : rest | (s==separator) -> mkInd (n+1) rest
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s : rest -> case getHeading s of
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Just (i,t) -> mkLine n i t : mkInd n rest
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_ -> mkInd n rest
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_ -> []
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getHeading s = case dropWhile isSpace s of
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'<':h:i:_:t | isDigit i -> return (i,take (length t - 5) t) -- drop final </hi>
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_ -> Nothing
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mkLine _ '1' t = t ++ " : Table of Contents<p>" -- heading of whole document
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mkLine n i t = stars i ++ link n t ++ "<br>"
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stars i = case i of
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'3' -> "<li> "
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'4' -> "<li>* "
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_ -> ""
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link n t = "<a href=\"" ++ fileName file n ++ "\">" ++ t ++ "</a>"
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