Class: TMail::Unquoter

Inherits:
Object
  • Object
show all
Defined in:
lib/action_mailer/vendor/tmail/quoting.rb

Class Method Summary collapse

Class Method Details

.unquote_and_convert_to(text, to_charset, from_charset = "iso-8859-1", preserve_underscores = false) ⇒ Object 



50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
 
# File 'lib/action_mailer/vendor/tmail/quoting.rb', line 50

def unquote_and_convert_to(text, to_charset, from_charset = "iso-8859-1", preserve_underscores=false)
  return "" if text.nil?
  if text =~ /^=\?(.*?)\?(.)\?(.*)\?=$/
    from_charset = $1
    quoting_method = $2
    text = $3
    case quoting_method.upcase
      when "Q" then
        unquote_quoted_printable_and_convert_to(text, to_charset, from_charset, preserve_underscores)
      when "B" then
        unquote_base64_and_convert_to(text, to_charset, from_charset)
      else
        raise "unknown quoting method #{quoting_method.inspect}"
    end
  else
    convert_to(text, to_charset, from_charset)
  end
end

.unquote_base64_and_convert_to(text, to, from) ⇒ Object 



74
75
76
 
# File 'lib/action_mailer/vendor/tmail/quoting.rb', line 74

def unquote_base64_and_convert_to(text, to, from)
  convert_to(Base64.decode(text).first, to, from)
end

.unquote_quoted_printable_and_convert_to(text, to, from, preserve_underscores = false) ⇒ Object 



69
70
71
72
 
# File 'lib/action_mailer/vendor/tmail/quoting.rb', line 69

def unquote_quoted_printable_and_convert_to(text, to, from, preserve_underscores=false)
  text = text.gsub(/_/, " ") unless preserve_underscores
  convert_to(text.unpack("M*").first, to, from)
end