JezK
Edit File: quoted_printable.rb
# encoding: utf-8 # frozen_string_literal: true require 'mail/encodings/7bit' module Mail module Encodings class QuotedPrintable < SevenBit NAME='quoted-printable' PRIORITY = 2 def self.can_encode?(enc) EightBit.can_encode? enc end # Decode the string from Quoted-Printable. Cope with hard line breaks # that were incorrectly encoded as hex instead of literal CRLF. def self.decode(str) str.gsub(/(?:=0D=0A|=0D|=0A)\r\n/, "\r\n").unpack("M*").first end def self.encode(str) [str].pack("M") end def self.cost(str) # These bytes probably do not need encoding c = str.count("\x9\xA\xD\x20-\x3C\x3E-\x7E") # Everything else turns into =XX where XX is a # two digit hex number (taking 3 bytes) total = (str.bytesize - c)*3 + c total.to_f/str.bytesize end # QP inserts newlines automatically and cannot violate the SMTP spec. def self.compatible_input?(str) true end private Encodings.register(NAME, self) end end end