Class: DcmBuffer

Inherits:
Object
  • Object
show all
Defined in:
lib/ecu/interfaces/dcm/buffer.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ DcmBuffer

Returns a new instance of DcmBuffer.



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# File 'lib/ecu/interfaces/dcm/buffer.rb', line 3

def initialize
  @constructor = nil
  @header      = :pre
  @buffer      = []
end

Instance Attribute Details

#buffer ⇒ Object (readonly)

Returns the value of attribute buffer.



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# File 'lib/ecu/interfaces/dcm/buffer.rb', line 2

def buffer
  @buffer
end

#constructor ⇒ Object (readonly)

Returns the value of attribute constructor.



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# File 'lib/ecu/interfaces/dcm/buffer.rb', line 2

def constructor
  @constructor
end

#header ⇒ Object (readonly)

Returns the value of attribute header.



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# File 'lib/ecu/interfaces/dcm/buffer.rb', line 2

def header
  @header
end

Instance Method Details

#append!(line) ⇒ Object 



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# File 'lib/ecu/interfaces/dcm/buffer.rb', line 34

def append!(line)
  fail "No label started" if constructor.nil?

  @buffer << line
end

#finish!(line) ⇒ Object 



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# File 'lib/ecu/interfaces/dcm/buffer.rb', line 18

def finish!(line)
  fail "Unexpected END" if constructor.nil?
  append!(line)

  constructor.from_dcm(buffer).tap { reset! }
end

#header_seen! ⇒ Object 



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# File 'lib/ecu/interfaces/dcm/buffer.rb', line 30

def header_seen!
  @header = :after
end

#reset! ⇒ Object 



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# File 'lib/ecu/interfaces/dcm/buffer.rb', line 25

def reset!
  @constructor = nil
  @buffer      = []
end

#start!(constructor, buffer) ⇒ Object 



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# File 'lib/ecu/interfaces/dcm/buffer.rb', line 9

def start!(constructor, buffer)
  fail "Nested parameter" unless self.buffer.empty?
  fail "Missing DCM header" if self.header == :pre

  @header      = :done
  @constructor = constructor
  @buffer      = buffer
end