Class | TMail::Unquoter |
In: |
lib/tmail/quoting.rb
|
Parent: | Object |
Not providing quoting support
# 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
# 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
# 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
# File lib/tmail/quoting.rb, line 91 def unquote_base64_and_convert_to(text, to, from) convert_to(Base64.decode(text), to, from) end