JezK

Edit File: mime_version_parser.rb

# frozen_string_literal: true
require "mail/utilities"
require "mail/parser_tools"

module Mail::Parsers
  module MimeVersionParser
    extend Mail::ParserTools

MimeVersionStruct = Struct.new(:major, :minor, :error)

class << self
      attr_accessor :_trans_keys
      private :_trans_keys, :_trans_keys=
    end
    self._trans_keys = [
      0, 0, 9, 57, 10, 10,
      9, 32, 9, 57, 40,
      57, 46, 46, 40, 57,
      48, 57, 10, 10, 9, 32,
      1, 244, 1, 244, 10,
      10, 9, 32, 0, 244,
      128, 191, 160, 191, 128, 191,
      128, 159, 144, 191, 128,
      191, 128, 143, 9, 57,
      9, 40, 9, 40, 0, 0,
      0,
    ]

class << self
      attr_accessor :_key_spans
      private :_key_spans, :_key_spans=
    end
    self._key_spans = [
      0, 49, 1, 24, 49, 18, 1, 18,
      10, 1, 24, 244, 244, 1, 24, 245,
      64, 32, 64, 32, 48, 64, 16, 49,
      32, 32, 0,
    ]

class << self
      attr_accessor :_index_offsets
      private :_index_offsets, :_index_offsets=
    end
    self._index_offsets = [
      0, 0, 50, 52, 77, 127, 146, 148,
      167, 178, 180, 205, 450, 695, 697, 722,
      968, 1033, 1066, 1131, 1164, 1213, 1278, 1295,
      1345, 1378, 1411,
    ]

class << self
      attr_accessor :_indicies
      private :_indicies, :_indicies=
    end
    self._indicies = [
      0, 1, 1, 1, 2, 1, 1, 1,
      1, 1, 1, 1, 1, 1, 1, 1,
      1, 1, 1, 1, 1, 1, 1, 0,
      1, 1, 1, 1, 1, 1, 1, 3,
      1, 1, 1, 1, 1, 1, 1, 4,
      4, 4, 4, 4, 4, 4, 4, 4,
      4, 1, 5, 1, 0, 1, 1, 1,
      1, 1, 1, 1, 1, 1, 1, 1,
      1, 1, 1, 1, 1, 1, 1, 1,
      1, 1, 1, 0, 1, 6, 1, 1,
      1, 7, 1, 1, 1, 1, 1, 1,
      1, 1, 1, 1, 1, 1, 1, 1,
      1, 1, 1, 1, 6, 1, 1, 1,
      1, 1, 1, 1, 8, 1, 1, 1,
      1, 1, 1, 1, 9, 9, 9, 9,
      9, 9, 9, 9, 9, 9, 1, 10,
      1, 1, 1, 1, 1, 11, 1, 12,
      12, 12, 12, 12, 12, 12, 12, 12,
      12, 1, 13, 1, 14, 1, 1, 1,
      1, 1, 1, 1, 15, 15, 15, 15,
      15, 15, 15, 15, 15, 15, 1, 16,
      16, 16, 16, 16, 16, 16, 16, 16,
      16, 1, 17, 1, 18, 1, 1, 1,
      1, 1, 1, 1, 1, 1, 1, 1,
      1, 1, 1, 1, 1, 1, 1, 1,
      1, 1, 1, 18, 1, 19, 19, 19,
      19, 19, 19, 19, 19, 19, 1, 19,
      19, 20, 19, 19, 19, 19, 19, 19,
      19, 19, 19, 19, 19, 19, 19, 19,
      19, 19, 19, 19, 19, 19, 19, 19,
      19, 19, 19, 19, 21, 22, 19, 19,
      19, 19, 19, 19, 19, 19, 19, 19,
      19, 19, 19, 19, 19, 19, 19, 19,
      19, 19, 19, 19, 19, 19, 19, 19,
      19, 19, 19, 19, 19, 19, 19, 19,
      19, 19, 19, 19, 19, 19, 19, 19,
      19, 19, 19, 19, 19, 19, 19, 19,
      23, 19, 19, 19, 19, 19, 19, 19,
      19, 19, 19, 19, 19, 19, 19, 19,
      19, 19, 19, 19, 19, 19, 19, 19,
      19, 19, 19, 19, 19, 19, 19, 19,
      19, 19, 19, 19, 1, 1, 1, 1,
      1, 1, 1, 1, 1, 1, 1, 1,
      1, 1, 1, 1, 1, 1, 1, 1,
      1, 1, 1, 1, 1, 1, 1, 1,
      1, 1, 1, 1, 1, 1, 1, 1,
      1, 1, 1, 1, 1, 1, 1, 1,
      1, 1, 1, 1, 1, 1, 1, 1,
      1, 1, 1, 1, 1, 1, 1, 1,
      1, 1, 1, 1, 1, 1, 24, 24,
      24, 24, 24, 24, 24, 24, 24, 24,
      24, 24, 24, 24, 24, 24, 24, 24,
      24, 24, 24, 24, 24, 24, 24, 24,
      24, 24, 24, 24, 25, 26, 26, 26,
      26, 26, 26, 26, 26, 26, 26, 26,
      26, 27, 26, 26, 28, 29, 29, 29,
      30, 1, 31, 31, 31, 31, 31, 31,
      31, 31, 31, 1, 31, 31, 32, 31,
      31, 31, 31, 31, 31, 31, 31, 31,
      31, 31, 31, 31, 31, 31, 31, 31,
      31, 31, 31, 31, 31, 31, 31, 31,
      31, 33, 34, 31, 31, 31, 31, 31,
      31, 31, 31, 31, 31, 31, 31, 31,
      31, 31, 31, 31, 31, 31, 31, 31,
      31, 31, 31, 31, 31, 31, 31, 31,
      31, 31, 31, 31, 31, 31, 31, 31,
      31, 31, 31, 31, 31, 31, 31, 31,
      31, 31, 31, 31, 31, 35, 31, 31,
      31, 31, 31, 31, 31, 31, 31, 31,
      31, 31, 31, 31, 31, 31, 31, 31,
      31, 31, 31, 31, 31, 31, 31, 31,
      31, 31, 31, 31, 31, 31, 31, 31,
      31, 1, 1, 1, 1, 1, 1, 1,
      1, 1, 1, 1, 1, 1, 1, 1,
      1, 1, 1, 1, 1, 1, 1, 1,
      1, 1, 1, 1, 1, 1, 1, 1,
      1, 1, 1, 1, 1, 1, 1, 1,
      1, 1, 1, 1, 1, 1, 1, 1,
      1, 1, 1, 1, 1, 1, 1, 1,
      1, 1, 1, 1, 1, 1, 1, 1,
      1, 1, 1, 36, 36, 36, 36, 36,
      36, 36, 36, 36, 36, 36, 36, 36,
      36, 36, 36, 36, 36, 36, 36, 36,
      36, 36, 36, 36, 36, 36, 36, 36,
      36, 37, 38, 38, 38, 38, 38, 38,
      38, 38, 38, 38, 38, 38, 39, 38,
      38, 40, 41, 41, 41, 42, 1, 43,
      1, 31, 1, 1, 1, 1, 1, 1,
      1, 1, 1, 1, 1, 1, 1, 1,
      1, 1, 1, 1, 1, 1, 1, 1,
      31, 1, 31, 31, 31, 31, 31, 31,
      31, 31, 31, 31, 31, 31, 31, 31,
      31, 31, 31, 31, 31, 31, 31, 31,
      31, 31, 31, 31, 31, 31, 31, 31,
      31, 31, 31, 31, 31, 31, 31, 31,
      31, 31, 31, 31, 31, 31, 31, 31,
      31, 31, 31, 31, 31, 31, 31, 31,
      31, 31, 31, 31, 31, 31, 31, 31,
      31, 31, 31, 31, 31, 31, 31, 31,
      31, 31, 31, 31, 31, 31, 31, 31,
      31, 31, 31, 31, 31, 31, 31, 31,
      31, 31, 31, 31, 31, 31, 31, 31,
      31, 31, 31, 31, 31, 31, 31, 31,
      31, 31, 31, 31, 31, 31, 31, 31,
      31, 31, 31, 31, 31, 31, 31, 31,
      31, 31, 31, 31, 31, 31, 31, 31,
      31, 31, 1, 1, 1, 1, 1, 1,
      1, 1, 1, 1, 1, 1, 1, 1,
      1, 1, 1, 1, 1, 1, 1, 1,
      1, 1, 1, 1, 1, 1, 1, 1,
      1, 1, 1, 1, 1, 1, 1, 1,
      1, 1, 1, 1, 1, 1, 1, 1,
      1, 1, 1, 1, 1, 1, 1, 1,
      1, 1, 1, 1, 1, 1, 1, 1,
      1, 1, 1, 1, 36, 36, 36, 36,
      36, 36, 36, 36, 36, 36, 36, 36,
      36, 36, 36, 36, 36, 36, 36, 36,
      36, 36, 36, 36, 36, 36, 36, 36,
      36, 36, 37, 38, 38, 38, 38, 38,
      38, 38, 38, 38, 38, 38, 38, 39,
      38, 38, 40, 41, 41, 41, 42, 1,
      31, 31, 31, 31, 31, 31, 31, 31,
      31, 31, 31, 31, 31, 31, 31, 31,
      31, 31, 31, 31, 31, 31, 31, 31,
      31, 31, 31, 31, 31, 31, 31, 31,
      31, 31, 31, 31, 31, 31, 31, 31,
      31, 31, 31, 31, 31, 31, 31, 31,
      31, 31, 31, 31, 31, 31, 31, 31,
      31, 31, 31, 31, 31, 31, 31, 31,
      1, 36, 36, 36, 36, 36, 36, 36,
      36, 36, 36, 36, 36, 36, 36, 36,
      36, 36, 36, 36, 36, 36, 36, 36,
      36, 36, 36, 36, 36, 36, 36, 36,
      36, 1, 36, 36, 36, 36, 36, 36,
      36, 36, 36, 36, 36, 36, 36, 36,
      36, 36, 36, 36, 36, 36, 36, 36,
      36, 36, 36, 36, 36, 36, 36, 36,
      36, 36, 36, 36, 36, 36, 36, 36,
      36, 36, 36, 36, 36, 36, 36, 36,
      36, 36, 36, 36, 36, 36, 36, 36,
      36, 36, 36, 36, 36, 36, 36, 36,
      36, 36, 1, 36, 36, 36, 36, 36,
      36, 36, 36, 36, 36, 36, 36, 36,
      36, 36, 36, 36, 36, 36, 36, 36,
      36, 36, 36, 36, 36, 36, 36, 36,
      36, 36, 36, 1, 38, 38, 38, 38,
      38, 38, 38, 38, 38, 38, 38, 38,
      38, 38, 38, 38, 38, 38, 38, 38,
      38, 38, 38, 38, 38, 38, 38, 38,
      38, 38, 38, 38, 38, 38, 38, 38,
      38, 38, 38, 38, 38, 38, 38, 38,
      38, 38, 38, 38, 1, 38, 38, 38,
      38, 38, 38, 38, 38, 38, 38, 38,
      38, 38, 38, 38, 38, 38, 38, 38,
      38, 38, 38, 38, 38, 38, 38, 38,
      38, 38, 38, 38, 38, 38, 38, 38,
      38, 38, 38, 38, 38, 38, 38, 38,
      38, 38, 38, 38, 38, 38, 38, 38,
      38, 38, 38, 38, 38, 38, 38, 38,
      38, 38, 38, 38, 38, 1, 38, 38,
      38, 38, 38, 38, 38, 38, 38, 38,
      38, 38, 38, 38, 38, 38, 1, 44,
      1, 1, 1, 45, 1, 1, 1, 1,
      1, 1, 1, 1, 1, 1, 1, 1,
      1, 1, 1, 1, 1, 1, 44, 1,
      1, 1, 1, 1, 1, 1, 46, 1,
      1, 1, 1, 1, 1, 1, 47, 47,
      47, 47, 47, 47, 47, 47, 47, 47,
      1, 18, 1, 1, 1, 48, 1, 1,
      1, 1, 1, 1, 1, 1, 1, 1,
      1, 1, 1, 1, 1, 1, 1, 1,
      18, 1, 1, 1, 1, 1, 1, 1,
      49, 1, 50, 1, 1, 1, 51, 1,
      1, 1, 1, 1, 1, 1, 1, 1,
      1, 1, 1, 1, 1, 1, 1, 1,
      1, 50, 1, 1, 1, 1, 1, 1,
      1, 52, 1, 1, 0,
    ]

class << self
      attr_accessor :_trans_targs
      private :_trans_targs, :_trans_targs=
    end
    self._trans_targs = [
      1, 0, 2, 4, 5, 3, 1, 2,
      4, 5, 6, 7, 5, 7, 8, 23,
      23, 10, 24, 12, 13, 12, 26, 15,
      16, 17, 18, 19, 20, 21, 22, 12,
      13, 12, 26, 15, 16, 17, 18, 19,
      20, 21, 22, 14, 24, 9, 25, 23,
      9, 25, 24, 9, 25,
    ]

class << self
      attr_accessor :_trans_actions
      private :_trans_actions, :_trans_actions=
    end
    self._trans_actions = [
      0, 0, 0, 1, 2, 0, 3, 3,
      4, 5, 6, 7, 0, 3, 1, 8,
      9, 0, 0, 10, 10, 11, 12, 10,
      10, 10, 10, 10, 10, 10, 10, 0,
      0, 1, 13, 0, 0, 0, 0, 0,
      0, 0, 0, 0, 14, 14, 15, 0,
      0, 1, 3, 3, 4,
    ]

class << self
      attr_accessor :_eof_actions
      private :_eof_actions, :_eof_actions=
    end
    self._eof_actions = [
      0, 0, 0, 0, 0, 0, 0, 0,
      0, 0, 0, 0, 0, 0, 0, 0,
      0, 0, 0, 0, 0, 0, 0, 14,
      0, 3, 0,
    ]

class << self
      attr_accessor :start
    end
    self.start = 1
    class << self
      attr_accessor :first_final
    end
    self.first_final = 23
    class << self
      attr_accessor :error
    end
    self.error = 0

class << self
      attr_accessor :en_comment_tail
    end
    self.en_comment_tail = 11
    class << self
      attr_accessor :en_main
    end
    self.en_main = 1

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

return MimeVersionStruct.new("", nil) if Mail::Utilities.blank?(data)

# Parser state
      mime_version = MimeVersionStruct.new
      major_digits_s = minor_digits_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 2
                begin
                  major_digits_s = p
                end
              when 7
                begin
                  mime_version.major = chars(data, major_digits_s, p - 1)
                end
              when 8
                begin
                  minor_digits_s = p
                end
              when 14
                begin
                  mime_version.minor = chars(data, minor_digits_s, p - 1)
                end
              when 10
                begin
                end
              when 3
                begin
                end
              when 1
                begin
                  begin
                    stack[top] = cs
                    top += 1
                    cs = 11
                    _goto_level = _again
                    next
                  end
                end
              when 13
                begin
                  begin
                    top -= 1
                    cs = stack[top]
                    _goto_level = _again
                    next
                  end
                end
              when 6
                begin
                  mime_version.major = chars(data, major_digits_s, p - 1)
                end
                begin
                  begin
                    stack[top] = cs
                    top += 1
                    cs = 11
                    _goto_level = _again
                    next
                  end
                end
              when 15
                begin
                  mime_version.minor = chars(data, minor_digits_s, p - 1)
                end
                begin
                  begin
                    stack[top] = cs
                    top += 1
                    cs = 11
                    _goto_level = _again
                    next
                  end
                end
              when 11
                begin
                end
                begin
                  begin
                    stack[top] = cs
                    top += 1
                    cs = 11
                    _goto_level = _again
                    next
                  end
                end
              when 12
                begin
                end
                begin
                  begin
                    top -= 1
                    cs = stack[top]
                    _goto_level = _again
                    next
                  end
                end
              when 5
                begin
                end
                begin
                  major_digits_s = p
                end
              when 9
                begin
                end
                begin
                  minor_digits_s = p
                end
              when 4
                begin
                end
                begin
                  begin
                    stack[top] = cs
                    top += 1
                    cs = 11
                    _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 14
                begin
                  mime_version.minor = chars(data, minor_digits_s, p - 1)
                end
              when 3
                begin
                end
              end
            end
          end
          if _goto_level <= _out
            break
          end
        end
      end

if p != eof || cs < 23
        raise Mail::Field::IncompleteParseError.new(Mail::MimeVersionElement, data, p)
      end

mime_version
    end
  end
end

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