(Swift 3,4,5...) Compress Bytes to Base64 (or any other encoding)

Compresses bytes to base64 or any other encoding. Also decompress to return the original.

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.

    var success: Bool

    // First create some binary data to compress.
    let binData = CkoBinData()!

    var i: Int
    for i = 1; i <= 16; i++ {
        binData.appendEncoded("000102030405060708090A0B0C0D0E0F", encoding: "hex")
    }

    let compress = CkoCompression()!
    compress.algorithm = "deflate"
    compress.encodingMode = "base64"

    var uncompressedBytes: NSData
    uncompressedBytes = binData.getBinary()

    // Compress and return the compressed bytes in base64 format.
    var compressedBase64: String? = compress.compressBytesENC(uncompressedBytes)
    print("compressed and base64 encoded: \(compressedBase64!)")

    // Compress and return in hex format:
    compress.encodingMode = "hex"
    var compressedHex: String? = compress.compressBytesENC(uncompressedBytes)
    print("compressed and hex encoded: \(compressedHex!)")

    // Now decompress..
    let binData2 = CkoBinData()!

    // Decompress the base64..
    compress.encodingMode = "base64"
    uncompressedBytes = compress.decompressBytesENC(compressedBase64)
    binData2.appendBinary(uncompressedBytes)
    // Show the uncompressed bytes in hex format:
    print("\(binData2.getEncoded("hex")!)")
    print("--")

    // Decompress the hex..
    compress.encodingMode = "hex"
    uncompressedBytes = compress.decompressBytesENC(compressedHex)
    binData2.clear()
    binData2.appendBinary(uncompressedBytes)
    // Show the uncompressed bytes in hex format:
    print("\(binData2.getEncoded("hex")!)")
    print("--")

}