Module: Mail::Parsers::DateTimeParser

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

Defined Under Namespace

Classes: DateTimeStruct

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.



623
624
625
 
# File 'lib/mail/parsers/date_time_parser.rb', line 623

def _eof_actions
  @_eof_actions
end

._index_offsets ⇒ Object

Returns the value of attribute _index_offsets.



83
84
85
 
# File 'lib/mail/parsers/date_time_parser.rb', line 83

def _index_offsets
  @_index_offsets
end

._indicies ⇒ Object

Returns the value of attribute _indicies.



104
105
106
 
# File 'lib/mail/parsers/date_time_parser.rb', line 104

def _indicies
  @_indicies
end

._key_spans ⇒ Object

Returns the value of attribute _key_spans.



62
63
64
 
# File 'lib/mail/parsers/date_time_parser.rb', line 62

def _key_spans
  @_key_spans
end

._trans_actions ⇒ Object

Returns the value of attribute _trans_actions.



592
593
594
 
# File 'lib/mail/parsers/date_time_parser.rb', line 592

def _trans_actions
  @_trans_actions
end

._trans_keys ⇒ Object

Returns the value of attribute _trans_keys.



13
14
15
 
# File 'lib/mail/parsers/date_time_parser.rb', line 13

def _trans_keys
  @_trans_keys
end

._trans_targs ⇒ Object

Returns the value of attribute _trans_targs.



561
562
563
 
# File 'lib/mail/parsers/date_time_parser.rb', line 561

def _trans_targs
  @_trans_targs
end

.en_comment_tail ⇒ Object

Returns the value of attribute en_comment_tail.



657
658
659
 
# File 'lib/mail/parsers/date_time_parser.rb', line 657

def en_comment_tail
  @en_comment_tail
end

.en_main ⇒ Object

Returns the value of attribute en_main.



661
662
663
 
# File 'lib/mail/parsers/date_time_parser.rb', line 661

def en_main
  @en_main
end

.error ⇒ Object

Returns the value of attribute error.



652
653
654
 
# File 'lib/mail/parsers/date_time_parser.rb', line 652

def error
  @error
end

.first_final ⇒ Object

Returns the value of attribute first_final.



648
649
650
 
# File 'lib/mail/parsers/date_time_parser.rb', line 648

def first_final
  @first_final
end

.start ⇒ Object

Returns the value of attribute start.



644
645
646
 
# File 'lib/mail/parsers/date_time_parser.rb', line 644

def start
  @start
end

Class Method Details

.parse(data) ⇒ Object

Raises:



665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
 
# File 'lib/mail/parsers/date_time_parser.rb', line 665

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

  raise Mail::Field::NilParseError.new(Mail::DateTimeElement) if data.nil?

  date_time = DateTimeStruct.new([])

  # Parser state
  date_s = time_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])
                   _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
            begin
              date_s = p
            end
          when 13
            begin
              date_time.time_string = chars(data, time_s, p - 1)
            end
          when 9
            begin
            end
          when 4
            begin
            end
          when 3
            begin
              begin
                stack[top] = cs
                top += 1
                cs = 91
                _goto_level = _again
                next
              end
            end
          when 12
            begin
              begin
                top -= 1
                cs = stack[top]
                _goto_level = _again
                next
              end
            end
          when 8
            begin
              date_s = p
            end
            begin
              begin
                stack[top] = cs
                top += 1
                cs = 91
                _goto_level = _again
                next
              end
            end
          when 6
            begin
              date_time.date_string = chars(data, date_s, p - 1)
            end
            begin
              time_s = p
            end
          when 14
            begin
              date_time.time_string = chars(data, time_s, p - 1)
            end
            begin
              begin
                stack[top] = cs
                top += 1
                cs = 91
                _goto_level = _again
                next
              end
            end
          when 10
            begin
            end
            begin
              begin
                stack[top] = cs
                top += 1
                cs = 91
                _goto_level = _again
                next
              end
            end
          when 11
            begin
            end
            begin
              begin
                top -= 1
                cs = stack[top]
                _goto_level = _again
                next
              end
            end
          when 5
            begin
            end
            begin
              begin
                stack[top] = cs
                top += 1
                cs = 91
                _goto_level = _again
                next
              end
            end
          when 2
            begin
              begin
                stack[top] = cs
                top += 1
                cs = 91
                _goto_level = _again
                next
              end
            end
            begin
              date_s = p
            end
          when 7
            begin
            end
            begin
              date_time.date_string = chars(data, date_s, p - 1)
            end
            begin
              time_s = p
            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 13
            begin
              date_time.time_string = chars(data, time_s, p - 1)
            end
          when 4
            begin
            end
          end
        end
      end
      if _goto_level <= _out
        break
      end
    end
  end

  if p != eof || cs < 103
    raise Mail::Field::IncompleteParseError.new(Mail::DateTimeElement, data, p)
  end

  date_time
end