Module: Mail::Parsers::ContentTypeParser

Defined in:
lib/mail/parsers/content_type_parser.rb

Defined Under Namespace

Classes: ContentTypeStruct

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

._eof_actionsObject

Returns the value of attribute _eof_actions



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# File 'lib/mail/parsers/content_type_parser.rb', line 467

def _eof_actions
  @_eof_actions
end

._index_offsetsObject

Returns the value of attribute _index_offsets



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# File 'lib/mail/parsers/content_type_parser.rb', line 50

def _index_offsets
  @_index_offsets
end

._indiciesObject

Returns the value of attribute _indicies



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# File 'lib/mail/parsers/content_type_parser.rb', line 63

def _indicies
  @_indicies
end

._key_spansObject

Returns the value of attribute _key_spans



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# File 'lib/mail/parsers/content_type_parser.rb', line 37

def _key_spans
  @_key_spans
end

._trans_actionsObject

Returns the value of attribute _trans_actions



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# File 'lib/mail/parsers/content_type_parser.rb', line 449

def _trans_actions
  @_trans_actions
end

._trans_keysObject

Returns the value of attribute _trans_keys



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# File 'lib/mail/parsers/content_type_parser.rb', line 14

def _trans_keys
  @_trans_keys
end

._trans_targsObject

Returns the value of attribute _trans_targs



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# File 'lib/mail/parsers/content_type_parser.rb', line 431

def _trans_targs
  @_trans_targs
end

.en_comment_tailObject

Returns the value of attribute en_comment_tail



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# File 'lib/mail/parsers/content_type_parser.rb', line 493

def en_comment_tail
  @en_comment_tail
end

.en_mainObject

Returns the value of attribute en_main



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# File 'lib/mail/parsers/content_type_parser.rb', line 497

def en_main
  @en_main
end

.errorObject

Returns the value of attribute error



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# File 'lib/mail/parsers/content_type_parser.rb', line 488

def error
  @error
end

.first_finalObject

Returns the value of attribute first_final



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# File 'lib/mail/parsers/content_type_parser.rb', line 484

def first_final
  @first_final
end

.startObject

Returns the value of attribute start



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# File 'lib/mail/parsers/content_type_parser.rb', line 480

def start
  @start
end

Class Method Details

.parse(data) ⇒ Object



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# File 'lib/mail/parsers/content_type_parser.rb', line 503

def self.parse(data)
  return ContentTypeStruct.new('text', 'plain', []) if Mail::Utilities.blank?(data)
  content_type = ContentTypeStruct.new(nil, nil, [])

  # Parser state
  main_type_s = sub_type_s = param_attr_s = param_attr = nil
  qstr_s = qstr = param_val_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
 main_type_s = p 		end
	when 2 then
		begin
 content_type.main_type = data[main_type_s..(p-1)].downcase 		end
	when 3 then
		begin
 sub_type_s = p 		end
	when 19 then
		begin
 content_type.sub_type = data[sub_type_s..(p-1)].downcase 		end
	when 4 then
		begin
 param_attr_s = p 		end
	when 6 then
		begin
 param_attr = data[param_attr_s..(p-1)] 		end
	when 9 then
		begin
 qstr_s = p 		end
	when 11 then
		begin
 qstr = data[qstr_s..(p-1)] 		end
	when 7 then
		begin
 param_val_s = p 		end
	when 21 then
		begin

if param_attr.nil?
  raise Mail::Field::ParseError.new(Mail::ContentTypeElement, data, "no attribute for value")
end

# Use quoted s value if one exists, otherwise use parameter value
value = qstr || data[param_val_s..(p-1)]

content_type.parameters << { param_attr => value }
param_attr = nil
qstr = nil
end
	when 12 then
		begin
 		end
	when 15 then
		begin
 		end
	when 5 then
		begin
 	begin
		stack[top] = cs
		top+= 1
		cs = 28
		_goto_level = _again
		next
	end
 		end
	when 18 then
		begin
 	begin
		top -= 1
		cs = stack[top]
		_goto_level = _again
		next
	end
 		end
	when 20 then
		begin
 content_type.sub_type = data[sub_type_s..(p-1)].downcase 		end
		begin
 	begin
		stack[top] = cs
		top+= 1
		cs = 28
		_goto_level = _again
		next
	end
 		end
	when 10 then
		begin
 qstr_s = p 		end
		begin
 qstr = data[qstr_s..(p-1)] 		end
	when 8 then
		begin
 param_val_s = p 		end
		begin
 	begin
		stack[top] = cs
		top+= 1
		cs = 28
		_goto_level = _again
		next
	end
 		end
	when 25 then
		begin

if param_attr.nil?
  raise Mail::Field::ParseError.new(Mail::ContentTypeElement, data, "no attribute for value")
end

# Use quoted s value if one exists, otherwise use parameter value
value = qstr || data[param_val_s..(p-1)]

content_type.parameters << { param_attr => value }
param_attr = nil
qstr = nil
end
		begin
 	begin
		stack[top] = cs
		top+= 1
		cs = 28
		_goto_level = _again
		next
	end
 		end
	when 13 then
		begin
 		end
		begin
 param_attr_s = p 		end
	when 23 then
		begin
 		end
		begin

if param_attr.nil?
  raise Mail::Field::ParseError.new(Mail::ContentTypeElement, data, "no attribute for value")
end

# Use quoted s value if one exists, otherwise use parameter value
value = qstr || data[param_val_s..(p-1)]

content_type.parameters << { param_attr => value }
param_attr = nil
qstr = nil
end
	when 14 then
		begin
 		end
		begin
 	begin
		stack[top] = cs
		top+= 1
		cs = 28
		_goto_level = _again
		next
	end
 		end
	when 16 then
		begin
 		end
		begin
 	begin
		stack[top] = cs
		top+= 1
		cs = 28
		_goto_level = _again
		next
	end
 		end
	when 17 then
		begin
 		end
		begin
 	begin
		top -= 1
		cs = stack[top]
		_goto_level = _again
		next
	end
 		end
	when 22 then
		begin
 	begin
		stack[top] = cs
		top+= 1
		cs = 28
		_goto_level = _again
		next
	end
 		end
		begin

if param_attr.nil?
  raise Mail::Field::ParseError.new(Mail::ContentTypeElement, data, "no attribute for value")
end

# Use quoted s value if one exists, otherwise use parameter value
value = qstr || data[param_val_s..(p-1)]

content_type.parameters << { param_attr => value }
param_attr = nil
qstr = nil
end
	when 24 then
		begin
 		end
		begin
 	begin
		stack[top] = cs
		top+= 1
		cs = 28
		_goto_level = _again
		next
	end
 		end
		begin

if param_attr.nil?
  raise Mail::Field::ParseError.new(Mail::ContentTypeElement, data, "no attribute for value")
end

# Use quoted s value if one exists, otherwise use parameter value
value = qstr || data[param_val_s..(p-1)]

content_type.parameters << { param_attr => value }
param_attr = nil
qstr = nil
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 19 then
		begin
 content_type.sub_type = data[sub_type_s..(p-1)].downcase 		end
	when 21 then
		begin

if param_attr.nil?
  raise Mail::Field::ParseError.new(Mail::ContentTypeElement, data, "no attribute for value")
end

# Use quoted s value if one exists, otherwise use parameter value
value = qstr || data[param_val_s..(p-1)]

content_type.parameters << { param_attr => value }
param_attr = nil
qstr = nil
end
	when 12 then
		begin
 		end
	when 23 then
		begin
 		end
		begin

if param_attr.nil?
  raise Mail::Field::ParseError.new(Mail::ContentTypeElement, data, "no attribute for value")
end

# Use quoted s value if one exists, otherwise use parameter value
value = qstr || data[param_val_s..(p-1)]

content_type.parameters << { param_attr => value }
param_attr = nil
qstr = nil
end
	  end
	end

	end
	if _goto_level <= _out
		break
	end
end
	end


  if p != eof || cs < 33
    raise Mail::Field::ParseError.new(Mail::ContentTypeElement, data, "Only able to parse up to #{data[0..p]}")
  end

  content_type
end