RosettaCodeData/Task/Pangram-checker/AppleScript/pangram-checker-1.applescript

78 lines
1.7 KiB
AppleScript

use framework "Foundation" -- ( for case conversion function )
--------------------- PANGRAM CHECKER --------------------
-- isPangram :: String -> Bool
on isPangram(s)
script charUnUsed
property lowerCaseString : my toLower(s)
on |λ|(c)
lowerCaseString does not contain c
end |λ|
end script
0 = length of filter(charUnUsed, ¬
"abcdefghijklmnopqrstuvwxyz")
end isPangram
--------------------------- TEST -------------------------
on run
map(isPangram, {¬
"is this a pangram", ¬
"The quick brown fox jumps over the lazy dog"})
--> {false, true}
end run
-------------------- GENERIC FUNCTIONS -------------------
-- filter :: (a -> Bool) -> [a] -> [a]
on filter(f, xs)
tell mReturn(f)
set lst to {}
set lng to length of xs
repeat with i from 1 to lng
set v to item i of xs
if |λ|(v, i, xs) then set end of lst to v
end repeat
return lst
end tell
end filter
-- map :: (a -> b) -> [a] -> [b]
on map(f, xs)
tell mReturn(f)
set lng to length of xs
set lst to {}
repeat with i from 1 to lng
set end of lst to |λ|(item i of xs, i, xs)
end repeat
return lst
end tell
end map
-- Lift 2nd class handler function into
-- 1st class script wrapper
-- mReturn :: Handler -> Script
on mReturn(f)
if class of f is script then
f
else
script
property |λ| : f
end script
end if
end mReturn
-- toLower :: String -> String
on toLower(str)
set ca to current application
((ca's NSString's stringWithString:(str))'s ¬
lowercaseStringWithLocale:(ca's NSLocale's currentLocale())) as text
end toLower