Re: Speeding up XCode?

• Subject: Re: Speeding up XCode?
• From: email@hidden
• Date: Mon, 24 Oct 2005 01:02:22 +1000
• Delivered-to: email@hidden
• Delivered-to: email@hidden

long long result = 0, intermediate, base = 10 /* Adapt to suit */;
unsigned int initialPosition, newPosition;
NSCharacterSet *decimalDigits = [NSCharacterSet decimalDigitCharacterSet];
NSScanner *scanner = [NSScanner scannerWithString:myString];

//[scanner setCharactersToBeSkipped:[decimalDigits invertedSet]];

while (![scanner isAtEnd]) {
    initialPosition = [scanner scanLocation];

    if ([scanner scanLongLong:&intermediate]) {
        newPosition = [scanner scanLocation];

        while (initialPosition < newPosition) {
            result *= base;
            ++initialPosition;
        }

        result += intermediate;
    }

    [scanner scanUpToCharactersFromSet:decimalDigits intoString:nil];
}

Dunno if it's fast, but it's accurate.

Wade Tregaskis

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-- Sed quis custodiet ipsos custodes?

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