Class TMail::Unquoter
In: lib/tmail/quoting.rb
Parent: Object

Methods

Public Class methods

Not providing quoting support

[Source]

# File lib/tmail/quoting.rb, line 111
        def convert_to(text, to, from)
          warn "Action Mailer: iconv not loaded; ignoring conversion from #{from} to #{to} (#{__FILE__}:#{__LINE__})"
          text
        end

[Source]

# File lib/tmail/quoting.rb, line 97
        def convert_to(text, to, from)
          return text unless to && from
          text ? Iconv.iconv(to, from, text).first : ""
        rescue Iconv::IllegalSequence, Iconv::InvalidEncoding, Errno::EINVAL
          # the 'from' parameter specifies a charset other than what the text
          # actually is...not much we can do in this case but just return the
          # unconverted text.
          #
          # Ditto if either parameter represents an unknown charset, like
          # X-UNKNOWN.
          text
        end

[Source]

# File lib/tmail/quoting.rb, line 61
      def unquote_and_convert_to(text, to_charset, from_charset = "iso-8859-1", preserve_underscores=false)
        return "" if text.nil?
        text.gsub(/(.*?)(?:(?:=\?(.*?)\?(.)\?(.*?)\?=)|$)/) do
          before = $1
          from_charset = $2
          quoting_method = $3
          text = $4

          before = convert_to(before, to_charset, from_charset) if before.length > 0
          before + case quoting_method
              when "q", "Q" then
                unquote_quoted_printable_and_convert_to(text, to_charset, from_charset, preserve_underscores)
              when "b", "B" then
                unquote_base64_and_convert_to(text, to_charset, from_charset)
              when nil then
                # will be nil at the end of the string, due to the nature of
                # the regex used.
                ""
              else
                raise "unknown quoting method #{quoting_method.inspect}"
            end
        end
      end

[Source]

# File lib/tmail/quoting.rb, line 91
      def unquote_base64_and_convert_to(text, to, from)
        convert_to(Base64.decode(text), to, from)
      end

[Source]

# File lib/tmail/quoting.rb, line 85
      def unquote_quoted_printable_and_convert_to(text, to, from, preserve_underscores=false)
        text = text.gsub(/_/, " ") unless preserve_underscores
        text = text.gsub(/\r\n|\r/, "\n") # normalize newlines
        convert_to(text.unpack("M*").first, to, from)
      end

[Validate]