Class: SimpleHL7::MSHSegment

Inherits:
Segment show all
Defined in:
lib/simple_hl7/msh_segment.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Segment

current_separator_char, #name, start_index, subcomposite_class, #to_a

Methods inherited from Composite

#[], #[]=, current_separator_char, #each, #get_subcomposite, #map, #set_subcomposite, start_index, subcomposite_class, #to_a, #to_s

Constructor Details

#initialize ⇒ MSHSegment

Returns a new instance of MSHSegment.



3
4
5
6
7
 
# File 'lib/simple_hl7/msh_segment.rb', line 3

def initialize
  super('MSH')
  self[1] = '|'
  self[2] = '^~\&'
end

Class Method Details

.parse(str) ⇒ Object 



18
19
20
21
22
23
24
25
26
 
# File 'lib/simple_hl7/msh_segment.rb', line 18

def self.parse(str)
  msh = new
  msh[1] = str[3]
  msh[2] = str[4..7]

  fields = parse_subcomposite_hash(str[9, str.length], msh.separator_chars)
  fields.each { |index, subc| msh.set_subcomposite(index + 3, subc) }
  msh
end

Instance Method Details

#separator_chars ⇒ Object 



9
10
11
12
13
14
15
16
 
# File 'lib/simple_hl7/msh_segment.rb', line 9

def separator_chars
  enc_chars = @subcomposites[2].to_s
  SeparatorCharacters.new(@subcomposites[1].to_s,
                          enc_chars[0],
                          enc_chars[1],
                          enc_chars[2],
                          enc_chars[3])
end

#to_hl7(separator_chars) ⇒ Object 



28
29
30
31
32
33
34
35
36
 
# File 'lib/simple_hl7/msh_segment.rb', line 28

def to_hl7(separator_chars)
  sep_char = self.class.current_separator_char(separator_chars)
  base_msh = "#{name}#{self[1]}#{self[2]}"
  max_index = @subcomposites.keys.max
  rest_msh = (3..max_index).map { |i|
    @subcomposites[i].to_hl7(separator_chars) if @subcomposites[i]
  }.join(sep_char)
  [base_msh, rest_msh].join(sep_char)
end