RosettaCodeData/Task/Palindrome-detection/FutureBasic/palindrome-detection.basic

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include "NSLog.incl"
local fn IsCleanStringPalindrome( testStr as CFStringRef ) as BOOL
NSUInteger i
BOOL result = NO
NSUInteger strLen = len(testStr)
for i = 0 to strLen / 2
if ( fn StringCharacterAtIndex( testStr, i ) != fn StringCharacterAtIndex( testStr, strLen -i -1 ) )
result = NO
exit fn
end if
next
result = YES
end fn = result
local fn IsDirtyStringPalindrome( dirtyStr as CFStringRef )
BOOL result = NO
CFStringRef tempStr
CFStringRef lowerCaseStr = fn StringLowercaseString( dirtyStr )
CFStringRef removeStr = @"!\"#$%&'()*+,-./:;<=>?@[]^_ {|}~"
NSUInteger i, count = len(removeStr)
tempStr = lowerCaseStr
for i = 0 to count -1
CFStringRef chrStr = fn StringWithFormat( @"%c", fn StringCharacterAtIndex( removeStr, i ) )
tempStr = fn StringByReplacingOccurrencesOfString( tempStr, chrStr, @"" )
next
result = fn IsCleanStringPalindrome( tempStr )
end fn = result
local fn PalindromeTest( testStr as CFStringRef )
BOOL result = NO
result = fn IsCleanStringPalindrome( testStr )
if ( result == YES )
NSLog( @"%17s : %@", fn StringUTF8String( @"Clean palindrome" ), testStr ) : exit fn
else
result = fn IsDirtyStringPalindrome( testStr )
if ( result == YES )
NSLog( @"%17s : %@", fn StringUTF8String( @"Dirty palindrome" ), testStr ) : exit fn
else
NSLog( @"%17s : %@", fn StringUTF8String( @"Not a palindrome" ), testStr )
end if
end if
end fn
fn PalindromeTest( @"racecar" )
fn PalindromeTest( @"level" )
fn PalindromeTest( @"rosetta" )
fn PalindromeTest( @"rotavator" )
fn PalindromeTest( @"13231+464+989=989+464+13231" )
fn PalindromeTest( @"Was it a car or a cat I saw?" )
fn PalindromeTest( @"Did Hannah see bees? Hannah did." )
fn PalindromeTest( @"This sentence is not a palindrome." )
fn PalindromeTest( @"123 456 789 897 654 321" )
fn PalindromeTest( @"123 456 789 987 654 321" )
fn PalindromeTest( @"Radar" )
fn PalindromeTest( @"abba" )
fn PalindromeTest( @"boom " )
fn PalindromeTest( @"radar" )
fn PalindromeTest( @"civic" )
fn PalindromeTest( @"great" )
fn PalindromeTest( @"Madam, I'm Adam." )
fn PalindromeTest( @"salàla" )
fn PalindromeTest( @"A man, a plan, a canal: Panama" )
fn PalindromeTest( @"a man a plan a canal panama" )
fn PalindromeTest( @"Egad, a base tone denotes a bad age" )
fn PalindromeTest( @"In girum imus nocte et consumimur igni" )
fn PalindromeTest( @"sees" )
fn PalindromeTest( @"solo" )
fn PalindromeTest( @"solos" )
HandleEvents