class Mail::Ruby18

Public Class Methods

b_value_decode(str) click to toggle source
# File lib/mail/version_specific/ruby_1_8.rb, line 63
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
b_value_encode(str, encoding) click to toggle source
# File lib/mail/version_specific/ruby_1_8.rb, line 56
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
bracket( str ) click to toggle source
# File lib/mail/version_specific/ruby_1_8.rb, line 34
def Ruby18.bracket( str )
  str = $1 if str =~ /^\<(.*)?\>$/
  str = escape_bracket( str )
  '<' + str + '>'
end
decode_base64(str) click to toggle source
# File lib/mail/version_specific/ruby_1_8.rb, line 40
def Ruby18.decode_base64(str)
  Base64.decode64(str) if str
end
encode_base64(str) click to toggle source
# File lib/mail/version_specific/ruby_1_8.rb, line 44
def Ruby18.encode_base64(str)
  Base64.encode64(str)
end
escape_bracket( str ) click to toggle source
# File lib/mail/version_specific/ruby_1_8.rb, line 25
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
escape_paren( str ) click to toggle source

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

# File lib/mail/version_specific/ruby_1_8.rb, line 10
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
get_constant(klass, string) click to toggle source
# File lib/mail/version_specific/ruby_1_8.rb, line 52
def Ruby18.get_constant(klass, string)
  klass.const_get( string )
end
has_constant?(klass, string) click to toggle source
# File lib/mail/version_specific/ruby_1_8.rb, line 48
def Ruby18.has_constant?(klass, string)
  klass.constants.include?( string )
end
param_decode(str, encoding) click to toggle source
# File lib/mail/version_specific/ruby_1_8.rb, line 93
def Ruby18.param_decode(str, encoding)
  URI.unescape(str)
end
param_encode(str) click to toggle source
# File lib/mail/version_specific/ruby_1_8.rb, line 97
def Ruby18.param_encode(str)
  encoding = $KCODE.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_8.rb, line 19
def Ruby18.paren( str )
  str = $1 if str =~ /^\((.*)?\)$/
  str = escape_paren( str )
  '(' + str + ')'
end
q_value_decode(str) click to toggle source
# File lib/mail/version_specific/ruby_1_8.rb, line 80
def Ruby18.q_value_decode(str)
  match = str.match(/\=\?(.+)?\?[Qq]\?(.*)\?\=/m)
  if match
    encoding = match[1]
    string = match[2].gsub(/_/, '=20')
    # Remove trailing = if it exists in a Q encoding
    string = string.sub(/\=$/, '')
    str = Encodings::QuotedPrintable.decode(string)
    str = Iconv.conv('UTF-8//IGNORE', fix_encoding(encoding), str)
  end
  str
end
q_value_encode(str, encoding) click to toggle source
# File lib/mail/version_specific/ruby_1_8.rb, line 73
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

Private Class Methods

fix_encoding(encoding) click to toggle source
# File lib/mail/version_specific/ruby_1_8.rb, line 105
def Ruby18.fix_encoding(encoding)
  case encoding.upcase
  when 'UTF8', 'UTF_8'
    'UTF-8'
  when 'UTF16', 'UTF-16'
    'UTF-16BE'
  when 'UTF32', 'UTF-32'
    'UTF-32BE'
  else
    encoding
  end
end