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pub fn encode<T: ?Sized + AsRef<[u8]>>(input: &T) -> String {
base64::encode_config(input, base64::URL_SAFE_NO_PAD)
}
pub fn encode_and_store_to_slice<T: ?Sized + AsRef<[u8]>>(input: &T, output: &mut [u8]) -> usize {
base64::encode_config_slice(input, base64::URL_SAFE_NO_PAD, output)
}
pub fn encode_and_push_to_string<T: ?Sized + AsRef<[u8]>, S: Into<String>>(input: &T, output: S) -> String {
let bytes = input.as_ref();
let mut buffer = output.into().into_bytes();
let current_len = buffer.len();
let base64_len = (bytes.len() * 4 + 2) / 3;
let min_capacity = current_len + base64_len;
let capacity = buffer.capacity();
if capacity < min_capacity {
buffer.reserve(min_capacity - capacity);
}
unsafe {
buffer.set_len(min_capacity);
}
let base64_len = encode_and_store_to_slice(bytes, &mut buffer[current_len..min_capacity]);
unsafe {
buffer.set_len(current_len + base64_len);
}
unsafe {
String::from_utf8_unchecked(buffer)
}
}