module Cinch::Utilities::Encoding

@since 2.0.0 @api private

Public Class Methods

encode_incoming(string, encoding) click to toggle source
# File lib/cinch/utilities/encoding.rb, line 8
def self.encode_incoming(string, encoding)
  string = string.dup
  if encoding == :irc
    # If incoming text is valid UTF-8, it will be interpreted as
    # such. If it fails validation, a CP1252 -> UTF-8 conversion
    # is performed. This allows you to see non-ASCII from mIRC
    # users (non-UTF-8) and other users sending you UTF-8.
    #
    # (from http://xchat.org/encoding/#hybrid)
    string.force_encoding("UTF-8")
    unless string.valid_encoding?
      string.force_encoding("CP1252").encode!("UTF-8", invalid: :replace, undef: :replace)
    end
  else
    string.force_encoding(encoding).encode!(invalid: :replace, undef: :replace)
    string = string.chars.select(&:valid_encoding?).join
  end

  string
end
encode_outgoing(string, encoding) click to toggle source
# File lib/cinch/utilities/encoding.rb, line 29
def self.encode_outgoing(string, encoding)
  string = string.dup
  encoding = "UTF-8" if encoding == :irc

  string.encode!(encoding, invalid: :replace, undef: :replace).force_encoding("ASCII-8BIT")
end