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# encoding: utf-8
# frozen_string_literal: true
require 'mail/encodings/7bit'
module Mail
module Encodings
class Base64 < SevenBit
NAME = 'base64'
PRIORITY = 3
def self.can_encode?(enc)
true
end
# Decode the string from Base64
def self.decode(str)
RubyVer.decode_base64( str )
end
# Encode the string to Base64
def self.encode(str)
::Mail::Utilities.to_crlf(RubyVer.encode_base64( str ))
end
# Base64 has a fixed cost, 4 bytes out per 3 bytes in
def self.cost(str)
4.0/3
end
# Base64 inserts newlines automatically and cannot violate the SMTP spec.
def self.compatible_input?(str)
true
end
Encodings.register(NAME, self)
end
end
end
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