(Swift 2) List Files/Directories in Zip by Index

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Demonstrates how to iterate over the files and directories in a zip archive by index.

Chilkat Downloads for the Swift Programming Language MAC OS X (Cocoa) Objective-C/Swift Libs iOS Objective-C/Swift Libs

func chilkatTest() {
    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    let zip = CkoZip()

    var success: Bool = zip.OpenZip("qa_data/zips/sample.zip")
    if success != true {
        print("\(zip.LastErrorText)")
        return
    }

    var numEntries: Int = zip.NumEntries.intValue
    var i: Int = 0

    var entry: CkoZipEntry?

    while i < numEntries {
        entry = zip.GetEntryByIndex(i)
        // Note: In the ZIP file format, it is not required for a ZIP file to contain explicit directory entries. 
        // However, explicit directory entries can be included for convenience and compatibility with certain ZIP file processing tools and software.
        // An explicit directory entry in a ZIP file is an entry that specifically represents a directory, rather than a file. 
        // It usually has a directory name with a trailing slash (/) and zero-length content.
        if entry!.IsDirectory {
            print("\(i): \(entry!.FileName) (directory)")
        }
        else {
            print("\(i): \(entry!.FileName)")
        }

        entry = nil
        i = i + 1
    }

    // Sample output:

    // 0: aaa/ (directory)
    // 1: aaa/pigs.json
    // 2: bbb/ (directory)
    // 3: bbb/base64Cert.txt
    // 4: bbb/sub1/ (directory)
    // 5: bbb/sub1/brasil_cert.pem
    // 6: bbb/sub2/ (directory)
    // 7: bbb/sub2/penguins.gif
    // 8: bbb/sub2/starfish.jpg
    // 9: hamlet.xml
    // 10: hello.pdf

    zip.CloseZip()

}