class Mail::RubyVer

Public Class Methods

b_value_decode(str) click to toggle source
# File lib/mail/version_specific/ruby_1_9.rb, line 50
def Ruby19.b_value_decode(str)
  match = str.match(%r\=\?(.+)?\?[Bb]\?(.+)?\?\=/)
  if match
    encoding = match[1]
    str = Ruby19.decode_base64(match[2])
    str.force_encoding(fix_encoding(encoding))
  end
  decoded = str.encode("utf-8", :invalid => :replace, :replace => "")
  decoded.valid_encoding? ? decoded : decoded.encode("utf-16le", :invalid => :replace, :replace => "").encode("utf-8")
end
b_value_encode(str, encoding = nil) click to toggle source
# File lib/mail/version_specific/ruby_1_9.rb, line 45
def Ruby19.b_value_encode(str, encoding = nil)
  encoding = str.encoding.to_s
  [Ruby19.encode_base64(str), encoding]
end
bracket( str ) click to toggle source
# File lib/mail/version_specific/ruby_1_9.rb, line 23
def Ruby19.bracket( str )
  str = $1 if str =~ %r^\<(.*)?\>$/
  str = escape_bracket( str )
  '<' + str + '>'
end
decode_base64(str) click to toggle source
# File lib/mail/version_specific/ruby_1_9.rb, line 29
def Ruby19.decode_base64(str)
  str.unpack( 'm' ).first
end
encode_base64(str) click to toggle source
# File lib/mail/version_specific/ruby_1_9.rb, line 33
def Ruby19.encode_base64(str)
  [str].pack( 'm' )
end
escape_bracket( str ) click to toggle source
# File lib/mail/version_specific/ruby_1_9.rb, line 18
def Ruby19.escape_bracket( str )
  re = %r(?<!\\)([\<\>])/          # Only match unescaped brackets
  str.gsub(re) { |s| '\' + s }
end
escape_paren( str ) click to toggle source

Escapes any parenthesis in a string that are unescaped this uses a Ruby 1.9.1 regexp feature of negative look behind

# File lib/mail/version_specific/ruby_1_9.rb, line 7
def Ruby19.escape_paren( str )
  re = %r(?<!\\)([\(\)])/          # Only match unescaped parens
  str.gsub(re) { |s| '\' + s }
end
fix_encoding(encoding) click to toggle source

mails somtimes includes invalid encodings like iso885915 or utf8 so we transform them to iso885915 or utf8 TODO: add this as a test somewhere Encoding.list.map{|e| [e.to_s.upcase==::fix_encoding(e.to_s.downcase.gsub(“-”, “”)), e.to_s] }.select {|a,b| !b}

Encoding.list.map{|e| [e.to_s==fix_encoding(e.to_s), e.to_s] }.select {|a,b| !b}
# File lib/mail/version_specific/ruby_1_9.rb, line 93
def Ruby19.fix_encoding(encoding)
  case encoding
    # ISO-8859-15, ISO-2022-JP and alike
    when %riso-?(\d{4})-?(\w{1,2})/ then return "ISO-#{$1}-#{$2}"
    # "ISO-2022-JP-KDDI"  and alike
    when %riso-?(\d{4})-?(\w{1,2})-?(\w*)/ then return "ISO-#{$1}-#{$2}-#{$3}"
    # UTF-8, UTF-32BE and alike
    when %rutf-?(\d{1,2})?(\w{1,2})/ then return "UTF-#{$1}#{$2}"
    # Windows-1252 and alike
    when %rWindows-?(.*)/ then return "Windows-#{$1}"
    #more aliases to be added if needed
    else return encoding
  end
end
get_constant(klass, string) click to toggle source
# File lib/mail/version_specific/ruby_1_9.rb, line 41
def Ruby19.get_constant(klass, string)
  klass.const_get( string )
end
has_constant?(klass, string) click to toggle source
# File lib/mail/version_specific/ruby_1_9.rb, line 37
def Ruby19.has_constant?(klass, string)
  klass.const_defined?( string, false )
end
param_decode(str, encoding) click to toggle source
# File lib/mail/version_specific/ruby_1_9.rb, line 77
def Ruby19.param_decode(str, encoding)
  string = URI.unescape(str)
  string.force_encoding(encoding) if encoding
  string
end
param_encode(str) click to toggle source
# File lib/mail/version_specific/ruby_1_9.rb, line 83
def Ruby19.param_encode(str)
  encoding = str.encoding.to_s.downcase
  language = Configuration.instance.param_encode_language
  "#{encoding}'#{language}'#{URI.escape(str)}"
end
paren( str ) click to toggle source
# File lib/mail/version_specific/ruby_1_9.rb, line 12
def Ruby19.paren( str )
  str = $1 if str =~ %r^\((.*)?\)$/
  str = escape_paren( str )
  '(' + str + ')'
end
q_value_decode(str) click to toggle source
# File lib/mail/version_specific/ruby_1_9.rb, line 66
def Ruby19.q_value_decode(str)
  match = str.match(%r\=\?(.+)?\?[Qq]\?(.+)?\?\=/)
  if match
    encoding = match[1]
    str = Encodings::QuotedPrintable.decode(match[2])
    str.force_encoding(fix_encoding(encoding))
  end
  decoded = str.encode("utf-8", :invalid => :replace, :replace => "")
  decoded.valid_encoding? ? decoded : decoded.encode("utf-16le", :invalid => :replace, :replace => "").encode("utf-8")
end
q_value_encode(str, encoding = nil) click to toggle source
# File lib/mail/version_specific/ruby_1_9.rb, line 61
def Ruby19.q_value_encode(str, encoding = nil)
  encoding = str.encoding.to_s
  [Encodings::QuotedPrintable.encode(str), encoding]
end