(Objective-C) Transition from Zip.AppendNewDir to Zip.AddEmpty

Provides instructions for replacing deprecated AppendNewDir method calls with AddEmpty.

Note: This example requires Chilkat v11.0.0 or greater.

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#import <CkoZip.h>
#import <NSString.h>
#import <CkoZipEntry.h>

CkoZip *zip = [[CkoZip alloc] init];

// ...
// ...
NSString *pathInZip = @"exampleDir";

// ------------------------------------------------------------------------
// The AppendNewDir method is deprecated:

CkoZipEntry *entryObj = [zip AppendNewDir: pathInZip];
if (zip.LastMethodSuccess == NO) {
    NSLog(@"%@",zip.LastErrorText);
    return;
}

// ...
// ...

// ------------------------------------------------------------------------
// Do the equivalent using AddEmpty.

// Indicate the newly appended entry is a directory entry.
BOOL isDir = YES;

BOOL success = [zip AddEmpty: isDir pathInZip: pathInZip];
if (success == NO) {
    NSLog(@"%@",zip.LastErrorText);
    return;
}

// Do the following if you need the zip entry object for what was just appended.
// The newly appended entry is the last one.
CkoZipEntry *ze = [[CkoZipEntry alloc] init];
int index = [zip.NumEntries intValue] - 1;
[zip EntryAt: [NSNumber numberWithInt: index] entry: ze];