Class: NOTAM::Header

Inherits:
Item
  • Object
show all
Defined in:
lib/notam/item/header.rb

Overview

The header item contains the NOTAM ID as well as information as to whether its a new NOTAM or merely replacing or cancelling another one.

Constant Summary collapse

RE = 
%r(
  \A
  (?<id>#{ID_RE})\s+
  NOTAM(?<operation>[NRC])\s*
  (?<old_id>#{ID_RE.decapture})?
  \z
)x.freeze

Constants inherited from Item

Item::ICAO_RE, Item::ID_RE, Item::TIME_RE

Instance Attribute Summary

Attributes inherited from Item

#captures, #data, #text

Instance Method Summary collapse

Methods inherited from Item

#fail!, #initialize, type, #type

Constructor Details

This class inherits a constructor from NOTAM::Item

Instance Method Details

#cancels ⇒ String?

Returns message being cancelled by this message or nil if this message is a new or replacing one.

Returns:

  • (String, nil) —

    message being cancelled by this message or nil if this message is a new or replacing one



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# File 'lib/notam/item/header.rb', line 53

def cancels
  captures['old_id'] if captures['operation'] == 'C'
end

#id ⇒ String

Returns ID of this message.

Returns:

  • (String) —

    ID of this message



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# File 'lib/notam/item/header.rb', line 20

def id
  captures['id']
end

#id_number ⇒ Integer

Returns serial number.

Returns:

  • (Integer) —

    serial number



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# File 'lib/notam/item/header.rb', line 30

def id_number
  captures['id_number'].to_i
end

#id_series ⇒ String

Returns series letter.

Returns:

  • (String) —

    series letter



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# File 'lib/notam/item/header.rb', line 25

def id_series
  captures['id_series']
end

#id_year ⇒ Integer

Returns year identifier.

Returns:

  • (Integer) —

    year identifier



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# File 'lib/notam/item/header.rb', line 35

def id_year
  captures['id_year'].to_i + (Date.today.year / 1000 * 1000)
end

#inspect ⇒ String

Returns:

  • (String) 


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# File 'lib/notam/item/header.rb', line 72

def inspect
  %Q(#<#{self.class} "#{truncated_text(start: 0)}">)
end

#merge ⇒ Object

See Also:



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# File 'lib/notam/item/header.rb', line 67

def merge
  super(:id, :id_series, :id_number, :id_year, :new?, :replaces, :cancels)
end

#new? ⇒ Boolean

Returns true if this is a new message, false if it replaces or cancels another message.

Returns:

  • (Boolean) —

    true if this is a new message, false if it replaces or cancels another message



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# File 'lib/notam/item/header.rb', line 41

def new?
  captures['operation'] == 'N'
end

#parse ⇒ Object

See Also:



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# File 'lib/notam/item/header.rb', line 58

def parse
  super
  fail! "invalid operation" unless (new? && !captures['old_id']) || replaces || cancels
  self
rescue
  fail! 'invalid Header item'
end

#replaces ⇒ String?

Returns message being replaced by this message or nil if this message is a new or cancelling one.

Returns:

  • (String, nil) —

    message being replaced by this message or nil if this message is a new or cancelling one



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# File 'lib/notam/item/header.rb', line 47

def replaces
  captures['old_id'] if captures['operation'] == 'R'
end