Class: Tengai::VectorEphemerisParser

Inherits:
Object
  • Object
show all
Defined in:
ext/horizons/vector_ephemeris_parser.rb

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

._ephemeris_parser_actions ⇒ Object

Returns the value of attribute _ephemeris_parser_actions.



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# File 'ext/horizons/vector_ephemeris_parser.rb', line 194

def _ephemeris_parser_actions
  @_ephemeris_parser_actions
end

._ephemeris_parser_index_offsets ⇒ Object

Returns the value of attribute _ephemeris_parser_index_offsets.



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# File 'ext/horizons/vector_ephemeris_parser.rb', line 2313

def _ephemeris_parser_index_offsets
  @_ephemeris_parser_index_offsets
end

._ephemeris_parser_indicies ⇒ Object

Returns the value of attribute _ephemeris_parser_indicies.



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# File 'ext/horizons/vector_ephemeris_parser.rb', line 2511

def _ephemeris_parser_indicies
  @_ephemeris_parser_indicies
end

._ephemeris_parser_key_offsets ⇒ Object

Returns the value of attribute _ephemeris_parser_key_offsets.



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# File 'ext/horizons/vector_ephemeris_parser.rb', line 205

def _ephemeris_parser_key_offsets
  @_ephemeris_parser_key_offsets
end

._ephemeris_parser_range_lengths ⇒ Object

Returns the value of attribute _ephemeris_parser_range_lengths.



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# File 'ext/horizons/vector_ephemeris_parser.rb', line 2115

def _ephemeris_parser_range_lengths
  @_ephemeris_parser_range_lengths
end

._ephemeris_parser_single_lengths ⇒ Object

Returns the value of attribute _ephemeris_parser_single_lengths.



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# File 'ext/horizons/vector_ephemeris_parser.rb', line 1917

def _ephemeris_parser_single_lengths
  @_ephemeris_parser_single_lengths
end

._ephemeris_parser_trans_actions ⇒ Object

Returns the value of attribute _ephemeris_parser_trans_actions.



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# File 'ext/horizons/vector_ephemeris_parser.rb', line 4174

def _ephemeris_parser_trans_actions
  @_ephemeris_parser_trans_actions
end

._ephemeris_parser_trans_keys ⇒ Object

Returns the value of attribute _ephemeris_parser_trans_keys.



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# File 'ext/horizons/vector_ephemeris_parser.rb', line 403

def _ephemeris_parser_trans_keys
  @_ephemeris_parser_trans_keys
end

._ephemeris_parser_trans_targs ⇒ Object

Returns the value of attribute _ephemeris_parser_trans_targs.



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# File 'ext/horizons/vector_ephemeris_parser.rb', line 3968

def _ephemeris_parser_trans_targs
  @_ephemeris_parser_trans_targs
end

.ephemeris_parser_en_main ⇒ Object

Returns the value of attribute ephemeris_parser_en_main.



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# File 'ext/horizons/vector_ephemeris_parser.rb', line 4393

def ephemeris_parser_en_main
  @ephemeris_parser_en_main
end

.ephemeris_parser_error ⇒ Object

Returns the value of attribute ephemeris_parser_error.



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# File 'ext/horizons/vector_ephemeris_parser.rb', line 4388

def ephemeris_parser_error
  @ephemeris_parser_error
end

.ephemeris_parser_first_final ⇒ Object

Returns the value of attribute ephemeris_parser_first_final.



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# File 'ext/horizons/vector_ephemeris_parser.rb', line 4384

def ephemeris_parser_first_final
  @ephemeris_parser_first_final
end

.ephemeris_parser_start ⇒ Object

Returns the value of attribute ephemeris_parser_start.



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# File 'ext/horizons/vector_ephemeris_parser.rb', line 4380

def ephemeris_parser_start
  @ephemeris_parser_start
end

Class Method Details

.parse(data, ephemeris_table_parser = EphemerisTableParser) ⇒ Object 



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# File 'ext/horizons/vector_ephemeris_parser.rb', line 12

def self.parse(data, ephemeris_table_parser=EphemerisTableParser)
  data = data.unpack('c*') if data.is_a? String
  eof = data.length

  
# line 18 "ext/horizons/vector_ephemeris_parser.rb"
begin
	p ||= 0
	pe ||= data.length
	cs = ephemeris_parser_start
end

# line 102 "ext/horizons/vector_ephemeris_parser.rl"
  
# line 27 "ext/horizons/vector_ephemeris_parser.rb"
begin
	_klen, _trans, _keys, _acts, _nacts = nil
	_goto_level = 0
	_resume = 10
	_eof_trans = 15
	_again = 20
	_test_eof = 30
	_out = 40
	while true
	_trigger_goto = false
	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 = _ephemeris_parser_key_offsets[cs]
	_trans = _ephemeris_parser_index_offsets[cs]
	_klen = _ephemeris_parser_single_lengths[cs]
	_break_match = false
	
	begin
	  if _klen > 0
  _lower = _keys
  _upper = _keys + _klen - 1

  loop do
     break if _upper < _lower
     _mid = _lower + ( (_upper - _lower) >> 1 )

     if data[p].ord < _ephemeris_parser_trans_keys[_mid]
        _upper = _mid - 1
     elsif data[p].ord > _ephemeris_parser_trans_keys[_mid]
        _lower = _mid + 1
     else
        _trans += (_mid - _keys)
        _break_match = true
        break
     end
  end # loop
  break if _break_match
  _keys += _klen
  _trans += _klen
	  end
	  _klen = _ephemeris_parser_range_lengths[cs]
	  if _klen > 0
  _lower = _keys
  _upper = _keys + (_klen << 1) - 2
  loop do
     break if _upper < _lower
     _mid = _lower + (((_upper-_lower) >> 1) & ~1)
     if data[p].ord < _ephemeris_parser_trans_keys[_mid]
       _upper = _mid - 2
     elsif data[p].ord > _ephemeris_parser_trans_keys[_mid+1]
       _lower = _mid + 2
     else
       _trans += ((_mid - _keys) >> 1)
       _break_match = true
       break
     end
  end # loop
  break if _break_match
  _trans += _klen
	  end
	end while false
	_trans = _ephemeris_parser_indicies[_trans]
	cs = _ephemeris_parser_trans_targs[_trans]
	if _ephemeris_parser_trans_actions[_trans] != 0
		_acts = _ephemeris_parser_trans_actions[_trans]
		_nacts = _ephemeris_parser_actions[_acts]
		_acts += 1
		while _nacts > 0
			_nacts -= 1
			_acts += 1
			case _ephemeris_parser_actions[_acts - 1]
when 0 then
# line 6 "ext/horizons/vector_ephemeris_parser.rl"
		begin
 mark = p 		end
when 1 then
# line 8 "ext/horizons/vector_ephemeris_parser.rl"
		begin

target_body_id = data[mark..p].pack('c*')
end
when 2 then
# line 12 "ext/horizons/vector_ephemeris_parser.rl"
		begin

center_body_id = data[mark..p].pack('c*')
end
when 3 then
# line 16 "ext/horizons/vector_ephemeris_parser.rl"
		begin

start_time = data[mark..p].pack('c*')
end
when 4 then
# line 20 "ext/horizons/vector_ephemeris_parser.rl"
		begin

stop_time = data[mark..p].pack('c*')
end
when 5 then
# line 24 "ext/horizons/vector_ephemeris_parser.rl"
		begin

step_size = data[mark..p].pack('c*')
end
when 6 then
# line 28 "ext/horizons/vector_ephemeris_parser.rl"
		begin

ephemeris_table = data[mark..p - 1].pack('c*')
end
when 7 then
# line 32 "ext/horizons/vector_ephemeris_parser.rl"
		begin

ephemeris_columns = data[mark..p].pack('c*')
end
# line 154 "ext/horizons/vector_ephemeris_parser.rb"
			end # action switch
		end
	end
	if _trigger_goto
		next
	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
	end
	if _goto_level <= _out
		break
	end
	end
	end

# line 103 "ext/horizons/vector_ephemeris_parser.rl"

  { target_body_id: target_body_id.to_i,
    center_body_id: center_body_id.to_i,
    start_time: DateTime.parse(start_time),
    stop_time: DateTime.parse(stop_time),
    step_size: step_size,
    ephemeris_table: ephemeris_table_parser.parse(
      "#{ephemeris_columns}\n#{ephemeris_table}") }
end