From c4c6947589f778dfb9a2af79ee8fe72dd8f11733 Mon Sep 17 00:00:00 2001
From: Camil Staps <info@camilstaps.nl>
Date: Sun, 19 Apr 2015 13:58:23 +0200
Subject: [PATCH] Added mistakes left counter; now all that is left to do is an
 ASCII art gallow

---
 fp2/week1/camil/Galgje.icl | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/fp2/week1/camil/Galgje.icl b/fp2/week1/camil/Galgje.icl
index d800469..f8dd8f3 100644
--- a/fp2/week1/camil/Galgje.icl
+++ b/fp2/week1/camil/Galgje.icl
@@ -4,6 +4,11 @@ import StdEnv, SimpleFileIO, RandomGetallen
 
 lexicon_file = "lexicon.txt"
 
+// Is a Char a member of a String
+isMemberString :: String Char -> Bool
+isMemberString "" c = False
+isMemberString s c = s.[0] == c || isMemberString (s % (1,size s - 1)) c
+
 // 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
@@ -20,16 +25,18 @@ randomWord 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
+// word, guesses, mistakes left, stdio -> (win, new guesses, stdio)
+play :: String [Char] Int *File -> (Bool, [Char], *File)
+play w g n io
 # io = io <<< stripUnknown w g <<< '\n'
 | stripUnknown w g == w = (True, g, io)
-# io = io <<< "Guess: "
+# io = io <<< "Guess (" <<< toString n <<< "): "
 # (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
+| isMemberString w g` = play w [g`:g] n io
+| n == 0 = (False, [g`:g], io)
+| otherwise = play w [g`:g] (n-1) io
 
 Start :: *World -> *World
 Start world
@@ -37,8 +44,8 @@ Start 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
+# (win,g,io) = play word [] 5 io
+# io = if win (io <<< "You win!\n") (io <<< "You lose!\n")
 # (ok,world) = fclose io world
 | not ok = abort "Couldn't close stdio"
 | otherwise = world
-- 
2.20.1