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aarne
96 lines
3.6 KiB
Haskell
96 lines
3.6 KiB
Haskell
module Main where
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import Numeric
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import qualified Data.Map as Map
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import System.Environment
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-- AR 3/10/2012
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-- Chinese unicode - character - pinyin conversions
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-- character data from http://www.linguanaut.com/chinese_alphabet2.htm
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main = do
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xs <- getArgs
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s <- readFile "pinyin.txt"
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let ws = mkList (words s)
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case xs of
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"c2p":_ -> interact (useMap (c2pMap ws)) -- Chinese char to Pinyin (all results)
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"p2c":_ -> interact (useMap (p2cMap ws)) -- Pinyin to Chinese char (all results)
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"c2u":_ -> interact (useMap (c2uMap ws)) -- Chinese char to Unicode hex
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"u2c":_ -> interact (useMap (u2cMap ws)) -- Unicode hex to Chinese char
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"c2pGF":_ -> interact (useMapGF (c2pMap ws)) -- char to pinyin (first result) in string literals (e.g. in GF files)
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"p2cTry":_ -> interact (tryUseMap (p2cMap ws)) -- pinyin to char, trying syllable with all tone marks
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_ -> mapM_ (putStrLn . printOne) ws
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mkList ws = case ws of
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c:w:ws -> (head (map (flip Numeric.showHex "" . fromEnum) c), (c, chop w)) : mkList ws
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_ -> []
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printOne (u,(c,ws)) = u ++ "\t" ++ c ++ "\t" ++ unwords ws
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chop = words . map unslash
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where
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unslash '/' = ' '
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unslash c = c
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useMap :: Map.Map String String -> String -> String
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useMap = useMapWith words unwords (const "NONE")
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tryUseMap :: Map.Map String String -> String -> String
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tryUseMap m = unlines . map try . words where
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try w = unwords [c ++ " (" ++ w2 ++ ")" | w2 <- alts w, Just c <- [Map.lookup w2 m]]
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alts w = w : [w ++ show i | i <- [1 .. 4]]
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useMapWith :: (String -> [String]) -> ([String] -> String) -> (String -> String) -> Map.Map String String -> String -> String
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useMapWith ws uws deft m = uws . map (\w -> maybe (deft w) id (Map.lookup w m)) . ws
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useMapGF m s = case s of
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--- 'C':'h':'i':'n':cs -> "Chin" ++ useMapGF m cs -- don't change Chinese, China
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--- 'C':'h':'i' :cs -> "Cmn" ++ useMapGF m cs -- to change language code Chi to Cmn
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'"':cs -> '"':convert cs
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c :cs -> c :useMapGF m cs
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_ -> s
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where
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convert cs = case cs of
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'"':s -> '"' : useMapGF m s
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c :s | elem c (['A'..'Z']++['a'..'z'])-> [c] ++ convert s
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c :s -> maybe ['#',c] (head . words) (Map.lookup [c] m) ++ convert s
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_ -> cs
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c2pMap ws = Map.fromList [(c,unwords (map tone2tone ps)) | (_,(c,ps)) <- ws]
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c2nMap ws = Map.fromList [(c,unwords ps) | (_,(c,ps)) <- ws]
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p2cMap ws = Map.fromListWith (++) [(p,c) | (_,(c,ps)) <- ws, p <- ps] -- store all chars with the same pinyin
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c2uMap ws = Map.fromList [(c,u) | (u,(c,_)) <- ws]
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u2cMap ws = Map.fromList [(u,c) | (u,(c,_)) <- ws]
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-- from numeric tones to diacritics
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tone2tone :: String -> String
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tone2tone = combine . change . analyse where
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analyse :: String -> [String] -- four parts: ch,a,ng,1
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analyse s = case reverse s of
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i:'r': v:x | elem i "1234" -> [reverse x,[v],"r", [i]]
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i:'n': v:x | elem i "1234" -> [reverse x,[v],"n", [i]]
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i:'g':'n':v:x | elem i "1234" -> [reverse x,[v],"ng",[i]]
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i: v:x | elem i "1234" -> [reverse x,[v],"", [i]]
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'r': v:x -> [reverse x,[v],"r", []]
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'n': v:x -> [reverse x,[v],"n", []]
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'g':'n': v:x -> [reverse x,[v],"ng",[]]
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v :x -> [reverse x,[v],"", []]
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_ -> error $ "illegal pinyin: " ++ s
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change ss@[x,[v],ng,i] = case i of
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[] -> ss
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_ -> [x,[accent v !! (read i - 1)],ng]
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combine = concat
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accent v = case v of
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'a' -> "āáǎà"
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'e' -> "ēéěè"
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'i' -> "īíǐì"
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'o' -> "ōóǒò"
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'u' -> "ūúǔù"
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'ü' -> "ǖǘǚǜ"
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'v' -> "ǖǘǚǜ"
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_ -> error $ "no accents for " ++ [v]
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