Class: Resolv::LOC::Alt

Inherits:
Object
  • Object
show all
Defined in:
lib/resolv.rb

Overview

A Resolv::LOC::Alt

Constant Summary collapse

Regex =
/^([+-]*\d+\.*\d*)[m]$/

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(altitude) ⇒ Alt

Returns a new instance of Alt.


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# File 'lib/resolv.rb', line 2766

def initialize(altitude)
  @altitude = altitude
end

Instance Attribute Details

#altitudeObject (readonly)

The raw altitude


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# File 'lib/resolv.rb', line 2773

def altitude
  @altitude
end

Class Method Details

.create(arg) ⇒ Object

Creates a new LOC::Alt from arg which may be:

LOC::Alt

returns arg.

String

arg must match the LOC::Alt::Regex constant


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# File 'lib/resolv.rb', line 2749

def self.create(arg)
  case arg
  when Alt
    return arg
  when String
    altitude = ''
    if Regex =~ arg
      altitude = [($1.to_f*(1e2))+(1e7)].pack("N")
    else
      raise ArgumentError.new("not a properly formed Alt string: " + arg)
    end
    return Alt.new(altitude)
  else
    raise ArgumentError.new("cannot interpret as Alt: #{arg.inspect}")
  end
end

Instance Method Details

#==(other) ⇒ Object

:nodoc:


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# File 'lib/resolv.rb', line 2784

def ==(other) # :nodoc:
  return @altitude == other.altitude
end

#eql?(other) ⇒ Boolean

:nodoc:

Returns:

  • (Boolean)

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# File 'lib/resolv.rb', line 2788

def eql?(other) # :nodoc:
  return self == other
end

#hashObject

:nodoc:


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# File 'lib/resolv.rb', line 2792

def hash # :nodoc:
  return @altitude.hash
end

#inspectObject

:nodoc:


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# File 'lib/resolv.rb', line 2780

def inspect # :nodoc:
  return "#<#{self.class} #{self.to_s}>"
end

#to_sObject

:nodoc:


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# File 'lib/resolv.rb', line 2775

def to_s # :nodoc:
  a = @altitude.unpack("N").join.to_i
  return ((a.to_f/1e2)-1e5).to_s + "m"
end