JezK
Edit File: ruby_1_8.rb
# encoding: utf-8 module Mail class Ruby18 require 'base64' require 'iconv' # Escapes any parenthesis in a string that are unescaped. This can't # use the Ruby 1.9.1 regexp feature of negative look behind so we have # to do two replacement, first unescape everything, then re-escape it def Ruby18.escape_paren( str ) re = /\\\)/ str = str.gsub(re) { |s| ')'} re = /\\\(/ str = str.gsub(re) { |s| '('} re = /([\(\)])/ # Only match unescaped parens str.gsub(re) { |s| '\\' + s } end def Ruby18.paren( str ) str = $1 if str =~ /^\((.*)?\)$/ str = escape_paren( str ) '(' + str + ')' end def Ruby18.escape_bracket( str ) re = /\\\>/ str = str.gsub(re) { |s| '>'} re = /\\\</ str = str.gsub(re) { |s| '<'} re = /([\<\>])/ # Only match unescaped parens str.gsub(re) { |s| '\\' + s } end def Ruby18.bracket( str ) str = $1 if str =~ /^\<(.*)?\>$/ str = escape_bracket( str ) '<' + str + '>' end def Ruby18.decode_base64(str) Base64.decode64(str) if str end def Ruby18.encode_base64(str) Base64.encode64(str) end def Ruby18.has_constant?(klass, string) klass.constants.include?( string ) end def Ruby18.get_constant(klass, string) klass.const_get( string ) end def Ruby18.b_value_encode(str, encoding) # Ruby 1.8 requires an encoding to work raise ArgumentError, "Must supply an encoding" if encoding.nil? encoding = encoding.to_s.upcase.gsub('_', '-') [Encodings::Base64.encode(str), fix_encoding(encoding)] end def Ruby18.b_value_decode(str) match = str.match(/\=\?(.+)?\?[Bb]\?(.+)?\?\=/m) if match encoding = match[1] str = Ruby18.decode_base64(match[2]) str = Iconv.conv('UTF-8//IGNORE', fix_encoding(encoding), str) end str end def Ruby18.q_value_encode(str, encoding) # Ruby 1.8 requires an encoding to work raise ArgumentError, "Must supply an encoding" if encoding.nil? encoding = encoding.to_s.upcase.gsub('_', '-') [Encodings::QuotedPrintable.encode(str), encoding] end def Ruby18.q_value_decode(str) match = str.match(/\=\?(.+)?\?[Qq]\?(.+)?\?\=/m) if match encoding = match[1] string = match[2].gsub(/_/, '=20') # Remove trailing = if it exists in a Q encoding string = string.sub(/\=$/, '') str = Encodings::QuotedPrintable.decode(string) str = Iconv.conv('UTF-8//IGNORE', fix_encoding(encoding), str) end str end def Ruby18.param_decode(str, encoding) URI.unescape(str) end def Ruby18.param_encode(str) encoding = $KCODE.to_s.downcase language = Configuration.instance.param_encode_language "#{encoding}'#{language}'#{URI.escape(str)}" end private def Ruby18.fix_encoding(encoding) case encoding.upcase when 'UTF8' 'UTF-8' when 'UTF16', 'UTF-16' 'UTF-16BE' when 'UTF32', 'UTF-32' 'UTF-32BE' else encoding end end end end