Module: Mail::Parsers::ContentTransferEncodingParser

Extended by:
Mail::ParserTools
Defined in:
lib/mail/parsers/content_transfer_encoding_parser.rb

Defined Under Namespace

Classes: ContentTransferEncodingStruct

Class Attribute Summary collapse

Class Method Summary collapse

Methods included from Mail::ParserTools

chars

Class Attribute Details

._eof_actions ⇒ Object

Returns the value of attribute _eof_actions.



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# File 'lib/mail/parsers/content_transfer_encoding_parser.rb', line 305

def _eof_actions
  @_eof_actions
end

._index_offsets ⇒ Object

Returns the value of attribute _index_offsets.



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# File 'lib/mail/parsers/content_transfer_encoding_parser.rb', line 46

def _index_offsets
  @_index_offsets
end

._indicies ⇒ Object

Returns the value of attribute _indicies.



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# File 'lib/mail/parsers/content_transfer_encoding_parser.rb', line 57

def _indicies
  @_indicies
end

._key_spans ⇒ Object

Returns the value of attribute _key_spans.



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# File 'lib/mail/parsers/content_transfer_encoding_parser.rb', line 35

def _key_spans
  @_key_spans
end

._trans_actions ⇒ Object

Returns the value of attribute _trans_actions.



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# File 'lib/mail/parsers/content_transfer_encoding_parser.rb', line 291

def _trans_actions
  @_trans_actions
end

._trans_keys ⇒ Object

Returns the value of attribute _trans_keys.



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# File 'lib/mail/parsers/content_transfer_encoding_parser.rb', line 17

def _trans_keys
  @_trans_keys
end

._trans_targs ⇒ Object

Returns the value of attribute _trans_targs.



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# File 'lib/mail/parsers/content_transfer_encoding_parser.rb', line 277

def _trans_targs
  @_trans_targs
end

.en_comment_tail ⇒ Object

Returns the value of attribute en_comment_tail.



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# File 'lib/mail/parsers/content_transfer_encoding_parser.rb', line 329

def en_comment_tail
  @en_comment_tail
end

.en_main ⇒ Object

Returns the value of attribute en_main.



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# File 'lib/mail/parsers/content_transfer_encoding_parser.rb', line 333

def en_main
  @en_main
end

.error ⇒ Object

Returns the value of attribute error.



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# File 'lib/mail/parsers/content_transfer_encoding_parser.rb', line 324

def error
  @error
end

.first_final ⇒ Object

Returns the value of attribute first_final.



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# File 'lib/mail/parsers/content_transfer_encoding_parser.rb', line 320

def first_final
  @first_final
end

.start ⇒ Object

Returns the value of attribute start.



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# File 'lib/mail/parsers/content_transfer_encoding_parser.rb', line 316

def start
  @start
end

Class Method Details

.parse(data) ⇒ Object 



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# File 'lib/mail/parsers/content_transfer_encoding_parser.rb', line 339

def self.parse(data)
  data = data.dup.force_encoding(Encoding::ASCII_8BIT) if data.respond_to?(:force_encoding)

  content_transfer_encoding = ContentTransferEncodingStruct.new('')
  return content_transfer_encoding if Mail::Utilities.blank?(data)

  # Parser state
  encoding_s = nil

  # 5.1 Variables Used by Ragel
  p = 0
  eof = pe = data.length
  stack = []

  
begin
  p ||= 0
  pe ||= data.length
  cs = start
  top = 0
end

  
begin
  testEof = false
  _slen, _trans, _keys, _inds, _acts, _nacts = nil
  _goto_level = 0
  _resume = 10
  _eof_trans = 15
  _again = 20
  _test_eof = 30
  _out = 40
  while true
  if _goto_level <= 0
  if p == pe
    _goto_level = _test_eof
    next
  end
  if cs == 0
    _goto_level = _out
    next
  end
  end
  if _goto_level <= _resume
  _keys = cs << 1
  _inds = _index_offsets[cs]
  _slen = _key_spans[cs]
  _wide = data[p].ord
  _trans = if (   _slen > 0 && 
      _trans_keys[_keys] <= _wide && 
      _wide <= _trans_keys[_keys + 1] 
  ) then
      _indicies[ _inds + _wide - _trans_keys[_keys] ] 
     else 
      _indicies[ _inds + _slen ]
     end
  cs = _trans_targs[_trans]
  if _trans_actions[_trans] != 0
  case _trans_actions[_trans]
  when 1 then
    begin
 encoding_s = p     end
  when 10 then
    begin
 content_transfer_encoding.encoding = chars(data, encoding_s, p-1).downcase     end
  when 3 then
    begin
    end
  when 6 then
    begin
    end
  when 2 then
    begin
  begin
    stack[top] = cs
    top+= 1
    cs = 9
    _goto_level = _again
    next
  end
    end
  when 9 then
    begin
  begin
    top -= 1
    cs = stack[top]
    _goto_level = _again
    next
  end
    end
  when 11 then
    begin
 content_transfer_encoding.encoding = chars(data, encoding_s, p-1).downcase     end
    begin
  begin
    stack[top] = cs
    top+= 1
    cs = 9
    _goto_level = _again
    next
  end
    end
  when 4 then
    begin
    end
    begin
 encoding_s = p     end
  when 5 then
    begin
    end
    begin
  begin
    stack[top] = cs
    top+= 1
    cs = 9
    _goto_level = _again
    next
  end
    end
  when 7 then
    begin
    end
    begin
  begin
    stack[top] = cs
    top+= 1
    cs = 9
    _goto_level = _again
    next
  end
    end
  when 8 then
    begin
    end
    begin
  begin
    top -= 1
    cs = stack[top]
    _goto_level = _again
    next
  end
    end
  end
  end
  end
  if _goto_level <= _again
  if cs == 0
    _goto_level = _out
    next
  end
  p += 1
  if p != pe
    _goto_level = _resume
    next
  end
  end
  if _goto_level <= _test_eof
  if p == eof
    case _eof_actions[cs]
  when 10 then
    begin
 content_transfer_encoding.encoding = chars(data, encoding_s, p-1).downcase     end
  when 3 then
    begin
    end
    end
  end

  end
  if _goto_level <= _out
    break
  end
end
  end


  if p != eof || cs < 21
    raise Mail::Field::IncompleteParseError.new(Mail::ContentTransferEncodingElement, data, p)
  end

  content_transfer_encoding
end