language.swift

import Cocoa

let encodings = String.availableStringEncodings
print("NSStringEncoding, CFStringEncoding, encodingName, IANAName")
for encoding in encodings {
    let encodingName = String.localizedName(of: encoding)
    let cfEncoding = CFStringConvertNSStringEncodingToEncoding(encoding.rawValue)
    let ianaName = CFStringConvertEncodingToIANACharSetName(cfEncoding) as String? ?? "???"
    debugPrint(encoding.rawValue, cfEncoding, encodingName, ianaName, separator: ", ")
}