A winetricks parser for wineskin (courtesy of Barrel)

Wineskin_Speedup.m

NSMutableArray *winetricksForPlist = [[NSMutableArray alloc] init];
                            
// Winetricks has been downloaded, so proceed with parsing it
[downloadAlert close];

//create file handle and load the contents in the memory
NSFileHandle *file;
file = [NSFileHandle fileHandleForReadingAtPath:resultPath];

//read data into file in NSData format
NSData *filedata;
filedata = [file readDataToEndOfFile];

//convert NSData to NSString
NSString *string;
string = [[NSString alloc] initWithData:filedata encoding:NSASCIIStringEncoding];

// Look for the word "w_metadata " in the cached file in memory
NSUInteger length = [string length];
NSRange range = NSMakeRange(0, length);
while(range.location != NSNotFound) {
    range = [string rangeOfString: @"w_metadata " options:0 range:range];
    if(range.location != NSNotFound)
    {
        NSRange outerRange = NSMakeRange(range.location + range.length, length - (range.location + range.length));
        // Found an occurence. Make sure it's an entry
        // 1st: Get the two characters before the entry
        // to make sure they are both newlines
        NSString *m2 = [string substringWithRange:NSMakeRange(range.location - 2, 1)];
        NSString *m1 = [string substringWithRange:NSMakeRange(range.location - 1, 1)];
        if (([m2 isEqualToString:@"\n"] || [m2 isEqualToString:@"\""]) && [m1 isEqualToString:@"\n"]) {
            // 2: It's an entry. Parse it
            // 2.1: Get the whole line
            NSRange lineRange = [string rangeOfString:@"\n" options:0 range:outerRange];
            
            // 2.2: Calculate the line range
            lineRange = NSMakeRange(range.location, lineRange.location - range.location);
            
            // 2.3: Split the space seperated string in an array
            NSArray *winetricksComponents = [[string substringWithRange:lineRange] componentsSeparatedByString:@" "];
            // Malformatted file workaround:
            // There seems to be an extra space so detect it and ignore it
            NSMutableDictionary *entry = [[NSMutableDictionary alloc] init];
            if ([winetricksComponents count] > 0) {
                if ([(NSString *)[winetricksComponents objectAtIndex:1] length] == 0) {
                    [entry setObject:[winetricksComponents objectAtIndex:2] forKey:@"winetrick"];
                    [entry setObject:[winetricksComponents objectAtIndex:3] forKey:@"category"];
                }
                else {
                    [entry setObject:[winetricksComponents objectAtIndex:1] forKey:@"winetrick"];
                    [entry setObject:[winetricksComponents objectAtIndex:2] forKey:@"category"];
                }
            }

            // 2.4: Find and parse the winetrick title
            NSRange titleRange = [string rangeOfString:@"title=\"" options:0 range:outerRange];
            NSRange endTitleRange = [string rangeOfString:@"\"" options:0 range:NSMakeRange(titleRange.location + 7, length - (titleRange.location + 7))];
            // Now read the title in the range
            NSString *title = [string substringWithRange:NSMakeRange(titleRange.location + 7, (endTitleRange.location - (titleRange.location + 7)))];
            [entry setObject:title forKey:@"title"];

            [winetricksForPlist addObject:entry];
        }
        NSLog(@"%lu", (unsigned long)range.location);
        // Advance the range
        range = NSMakeRange(range.location + range.length, length - (range.location + range.length));
    }
}