class Mail::Ruby18
Public Class Methods
b_value_decode(str)
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# File lib/mail/version_specific/ruby_1_8.rb, line 67 def Ruby18.b_value_decode(str) match = str.match(/\=\?(.+)?\?[Bb]\?(.*)\?\=/m) if match encoding = match[1] str = Ruby18.decode_base64(match[2]) str = transcode_charset(str, encoding) end str end
b_value_encode(str, encoding)
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# File lib/mail/version_specific/ruby_1_8.rb, line 60 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), normalize_iconv_charset_encoding(encoding)] end
bracket( str )
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# 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)
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# 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)
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# File lib/mail/version_specific/ruby_1_8.rb, line 44 def Ruby18.encode_base64(str) Base64.encode64(str) end
escape_bracket( str )
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# 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 )
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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)
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# 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)
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# 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)
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# File lib/mail/version_specific/ruby_1_8.rb, line 97 def Ruby18.param_decode(str, encoding) URI.unescape(str) end
param_encode(str)
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# File lib/mail/version_specific/ruby_1_8.rb, line 101 def Ruby18.param_encode(str) encoding = $KCODE.to_s.downcase language = Configuration.instance.param_encode_language "#{encoding}'#{language}'#{URI.escape(str)}" end
paren( str )
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# File lib/mail/version_specific/ruby_1_8.rb, line 19 def Ruby18.paren( str ) str = $1 if str =~ /^\((.*)?\)$/ str = escape_paren( str ) '(' + str + ')' end
q_value_decode(str)
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# File lib/mail/version_specific/ruby_1_8.rb, line 84 def Ruby18.q_value_decode(str) match = str.match(/\=\?(.+)?\?[Qq]\?(.*)\?\=/m) if match encoding = match[1] string = match[2].gsub(/_/, '=20') # Remove trailing = if it exists in a Q encoding string = string.sub(/\=$/, '') str = Encodings::QuotedPrintable.decode(string) str = transcode_charset(str, encoding) end str end
q_value_encode(str, encoding)
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# File lib/mail/version_specific/ruby_1_8.rb, line 77 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
transcode_charset(str, from_encoding, to_encoding = 'UTF-8')
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# File lib/mail/version_specific/ruby_1_8.rb, line 56 def Ruby18.transcode_charset(str, from_encoding, to_encoding = 'UTF-8') Iconv.conv("#{normalize_iconv_charset_encoding(to_encoding)}//IGNORE", normalize_iconv_charset_encoding(from_encoding), str) end
Private Class Methods
normalize_iconv_charset_encoding(encoding)
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# File lib/mail/version_specific/ruby_1_8.rb, line 109 def Ruby18.normalize_iconv_charset_encoding(encoding) case encoding.upcase when 'UTF8', 'UTF_8' 'UTF-8' when 'UTF16', 'UTF-16' 'UTF-16BE' when 'UTF32', 'UTF-32' 'UTF-32BE' when 'KS_C_5601-1987' 'CP949' else encoding end end