Working Hangman, but: NO max guess; NO ASCII gallow

1 files changed, 44 insertions, 0 deletions

diff --git a/fp2/week1/camil/Galgje.icl b/fp2/week1/camil/Galgje.icl
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+module Galgje

+

+import StdEnv, SimpleFileIO, RandomGetallen

+

+lexicon_file = "lexicon.txt"

+

+// From the slides

+skip_nl :: String -> String

+skip_nl str = if (size str > 0 && str.[size str-1] == '\n') (str%(0,size str-2)) str

+

+// From a String and a List of guesses (Chars), return a String that shows dots for letters that were not guessed yet

+stripUnknown :: String [Char] -> String

+stripUnknown s g = toString [if (isMember c g) c '.' \\ c <- (fromString s)]

+

+// Get a random word from the lexicon file

+randomWord :: *env -> (Maybe String, *env) | FileSystem env

+randomWord env

+# (ss,env) = readLines lexicon_file env

+| ss == Nothing = (Nothing, env)

+# (seed,env) = getNewRandomSeed env

+| otherwise = (Just (skip_nl ((shuffle (fromJust ss) seed)!!0)), env)

+

+// word, guesses, stdio -> (win, new guesses, stdio)

+round :: String [Char] *File -> (Bool, [Char], *File)

+round w g io

+# io = io <<< stripUnknown w g <<< '\n'

+| stripUnknown w g == w = (True, g, io)

+# io = io <<< "Guess: "

+# (ok,g`,io) = freadc io

+# (_,io) = freadline io // to read until the next \n

+| not ok = abort "Couldn't get guessed letter"

+| otherwise = round w [g`:g] io

+

+Start :: *World -> *World

+Start world

+# (word,world) = randomWord world

+| word == Nothing = abort "Couldn't get random word"

+# word = fromJust word

+# (io,world) = stdio world

+# (win,g,io) = round word [] io

+# io = if win (io <<< "You win!\n") io

+# (ok,world) = fclose io world

+| not ok = abort "Couldn't close stdio"

+| otherwise = world