Class: TMail::Decoder

Inherits:
Object
  • Object
show all
Includes:
TextUtils
Defined in:
lib/tmail-pure/encode.rb

Overview

MIME B encoding decoder

Constant Summary collapse

ENCODED_WORDS = 
/#{encoded}(?:\s+#{encoded})*/i
OUTPUT_ENCODING = 
{
  'EUC'  => 'e',
  'SJIS' => 's',
}

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(dest, encoding = nil, eol = "\n") ⇒ Decoder

Returns a new instance of Decoder.



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# File 'lib/tmail-pure/encode.rb', line 76

def initialize(dest, encoding = nil, eol = "\n")
  @f = StrategyInterface.create_dest(dest)
  @encoding = (/\A[ejs]/ =~ encoding) ? encoding[0,1] : nil
  @eol = eol
end

Class Method Details

.decode(str, encoding = nil) ⇒ Object 



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# File 'lib/tmail-pure/encode.rb', line 70

def self.decode(str, encoding = nil)
  encoding ||= (OUTPUT_ENCODING[$KCODE] || 'j')
  opt = '-m' + encoding
  str.gsub(ENCODED_WORDS) {|s| NKF.nkf(opt, s) }
end

Instance Method Details

#header_body(str) ⇒ Object 



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# File 'lib/tmail-pure/encode.rb', line 98

def header_body(str)
  @f << decode(str)
end

#header_line(str) ⇒ Object 



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# File 'lib/tmail-pure/encode.rb', line 90

def header_line(str)
  @f << decode(str)
end

#header_name(nm) ⇒ Object 



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# File 'lib/tmail-pure/encode.rb', line 94

def header_name(nm)
  @f << nm << ': '
end

#kv_pair(k, v) ⇒ Object 



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# File 'lib/tmail-pure/encode.rb', line 124

def kv_pair(k, v)
  @f << k << '=' << v
end

#lwsp(str) ⇒ Object 



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# File 'lib/tmail-pure/encode.rb', line 108

def lwsp(str)
  @f << str
end

#meta(str) ⇒ Object 



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# File 'lib/tmail-pure/encode.rb', line 112

def meta(str)
  @f << str
end

#phrase(str) ⇒ Object 



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# File 'lib/tmail-pure/encode.rb', line 120

def phrase(str)
  @f << quote_phrase(decode(str))
end

#puts(str = nil) ⇒ Object 



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# File 'lib/tmail-pure/encode.rb', line 128

def puts(str = nil)
  @f << str if str
  @f << @eol
end

#space ⇒ Object Also known as: spc 



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# File 'lib/tmail-pure/encode.rb', line 102

def space
  @f << ' '
end

#terminate ⇒ Object 



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# File 'lib/tmail-pure/encode.rb', line 87

def terminate
end

#text(str) ⇒ Object 



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# File 'lib/tmail-pure/encode.rb', line 116

def text(str)
  @f << decode(str)
end

#write(str) ⇒ Object 



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# File 'lib/tmail-pure/encode.rb', line 133

def write(str)
  @f << str
end