73 lines
1.8 KiB
AppleScript
73 lines
1.8 KiB
AppleScript
use framework "Foundation"
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-- CASE-INSENSITIVE PALINDROME, IGNORING SPACES ? ----------------------------
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-- isPalindrome :: String -> Bool
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on isPalindrome(s)
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s = intercalate("", reverse of characters of s)
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end isPalindrome
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-- toSpaceFreeLower :: String -> String
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on spaceFreeToLower(s)
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script notSpace
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on |λ|(s)
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s is not space
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end |λ|
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end script
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intercalate("", filter(notSpace, characters of toLower(s)))
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end spaceFreeToLower
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-- TEST ----------------------------------------------------------------------
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on run
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isPalindrome(spaceFreeToLower("In girum imus nocte et consumimur igni"))
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--> true
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end run
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-- GENERIC FUNCTIONS ---------------------------------------------------------
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-- filter :: (a -> Bool) -> [a] -> [a]
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on filter(f, xs)
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tell mReturn(f)
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set lst to {}
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set lng to length of xs
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repeat with i from 1 to lng
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set v to item i of xs
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if |λ|(v, i, xs) then set end of lst to v
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end repeat
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return lst
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end tell
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end filter
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-- intercalate :: Text -> [Text] -> Text
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on intercalate(strText, lstText)
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set {dlm, my text item delimiters} to {my text item delimiters, strText}
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set strJoined to lstText as text
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set my text item delimiters to dlm
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return strJoined
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end intercalate
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-- Lift 2nd class handler function into 1st class script wrapper
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-- mReturn :: Handler -> Script
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on mReturn(f)
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if class of f is script then
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f
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else
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script
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property |λ| : f
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end script
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end if
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end mReturn
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-- toLower :: String -> String
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on toLower(str)
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set ca to current application
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((ca's NSString's stringWithString:(str))'s ¬
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lowercaseStringWithLocale:(ca's NSLocale's currentLocale())) as text
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end toLower
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