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(Swift) Create a Zip Entirely in Memory

Demonstrates how to create a .zip from in-memory byte data and strings, and to write the .zip to an in-memory image.

Chilkat Downloads for the Swift Programming Language

MAC OS X (Cocoa) Objective-C/Swift Libs

iOS Objective-C/Swift Libs

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

    let crypt = CkoCrypt2()
    let zip = CkoZip()

    var success: Bool = zip.NewZip("test.zip")
    if success != true {
        print("\(zip.LastErrorText)")
        return
    }

    //  Add the bytes 0x00 0x01 0x02 0x03 ... 0x0F as a file in the .zip
    var binFileData: NSData
    binFileData = crypt.Decode("000102030405060708090A0B0C0D0E0F", encoding: "hex")
    var entry: CkoZipEntry? = zip.AppendData("binaryData.dat", inData: binFileData)
    entry = nil

    //  Add the string "Hello World!" to the .zip
    entry = zip.AppendString2("helloWorld.txt", textData: "Hello World!", charset: "utf-8")
    entry = nil

    var zipFileInMemory: NSData
    zipFileInMemory = zip.WriteToMemory()

    //  We could save these files to a file, and it is a valid .zip
    let fac = CkoFileAccess()
    success = fac.WriteEntireFile("test.zip", fileData: zipFileInMemory)
    if success != true {
        print("\(fac.LastErrorText)")
        return
    }

    print("Zip Created!")

}

 

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