41 lines
1.7 KiB
Haskell
41 lines
1.7 KiB
Haskell
module Commons where
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import Data.String.Utils
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import System.IO
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import Text.Read
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data Round = Round { red :: Int, green :: Int, blue :: Int }
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data Game = Game { gid :: Int, rounds :: [Round] }
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parseCubes :: [String] -> Round -> Round
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parseCubes [] round = round
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parseCubes ([h, ' ', 'r', 'e', 'd']: t) round = parseCubes t round {red = read [h]}
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parseCubes ([h1, h2, ' ', 'r', 'e', 'd']: t) round = parseCubes t round {red = read [h1, h2]}
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parseCubes ([h, ' ', 'g', 'r', 'e', 'e', 'n']: t) round = parseCubes t round {green = read [h]}
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parseCubes ([h1, h2, ' ', 'g', 'r', 'e', 'e', 'n']: t) round = parseCubes t round {green = read [h1, h2]}
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parseCubes ([h, ' ', 'b', 'l', 'u', 'e']: t) round = parseCubes t round {blue = read [h]}
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parseCubes ([h1, h2, ' ', 'b', 'l', 'u', 'e']: t) round = parseCubes t round {blue = read [h1, h2]}
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parseRound :: String -> Round
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parseRound roundRaw = parseCubes (split ", " roundRaw) Round {red = 0, green = 0, blue = 0}
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parseRounds :: String -> [Round]
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parseRounds roundsRaw = map parseRound (split "; " roundsRaw)
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parseGame :: String -> Game
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parseGame ('G': 'a': 'm': 'e': ' ': h: ':': ' ': t) = Game {gid = read [h], rounds = parseRounds t}
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parseGame ('G': 'a': 'm': 'e': ' ': h1: h2: ':': ' ': t) = Game {gid = read [h1, h2], rounds = parseRounds t}
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parseGame ('G': 'a': 'm': 'e': ' ': h1: h2: h3: ':': ' ': t) = Game {gid = read [h1, h2, h3], rounds = parseRounds t}
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parseGame (_: t) = parseGame t
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parse :: IO [Game]
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parse = do done <- isEOF
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if done
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then return []
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else do line <- getLine
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let game = parseGame line
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otherGames <- parse
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return (game: otherGames)
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