CBOR Text Coding Example

cbor_text.js

'use strict';

const CBOR = require('wire-webapp-cbor');

const text_encode = plaintext => {
  const encoder = new CBOR.Encoder();
  encoder.text(plaintext);
  return new Uint8Array(encoder.buffer);
};

const text_decode = encoded => {
  const decoder = new CBOR.Decoder(encoded.buffer);
  const decoded_text = decoder.text();
  return decoded_text;
};

console.log('text_encode', text_encode('Hello')); // [101, 72, 101, 108, 108, 111
console.log('text_decode', text_decode(new Uint8Array([101, 72, 101, 108, 108, 111]))); // Hello

cbor_text.rs

extern crate cbor;

use std::io::Cursor;
use cbor::{Config, Decoder, Encoder};

fn main() {
  println!("text_encode: {:?}", text_encode("Hello")); // [101, 72, 101, 108, 108, 111
  println!("text_decode: {}", text_decode(&[101, 72, 101, 108, 108, 111])); // Hello
}

fn text_encode(plaintext: &str) -> Vec<u8> {
    let mut encoder = Encoder::new(Cursor::new(Vec::new()));
    let _ = encoder.text(&plaintext);
    encoder.into_writer().into_inner()
}

fn text_decode(encoded: &[u8]) -> String {
    let mut decoder = Decoder::new(Config::default(), Cursor::new(encoded));
    let decoded_text = decoder.text();
    decoded_text.unwrap()
}