Class: IPAddress::Prefix

Inherits:
Object
  • Object
show all
Includes:
Comparable
Defined in:
lib/ipaddress/prefix.rb

Overview

NAME

IPAddress::Prefix

SYNOPSIS

Parent class for Prefix32 and Prefix128

DESCRIPTION

IPAddress::Prefix is the parent class for IPAddress::Prefix32 and IPAddress::Prefix128, defining some modules in common for both the subclasses.

IPAddress::Prefix shouldn't be accesses directly, unless for particular needs.

Direct Known Subclasses

Prefix128, Prefix32

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(num) ⇒ Prefix

Creates a new general prefix


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# File 'lib/ipaddress/prefix.rb', line 30

def initialize(num)
  @prefix = num.to_i
end

Instance Attribute Details

#prefixObject (readonly)

Returns the value of attribute prefix


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# File 'lib/ipaddress/prefix.rb', line 25

def prefix
  @prefix
end

Instance Method Details

#+(oth) ⇒ Object

Sums two prefixes or a prefix to a number, returns a Fixnum


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# File 'lib/ipaddress/prefix.rb', line 60

def +(oth)
  if oth.is_a? Fixnum
    self.prefix + oth
  else
    self.prefix + oth.prefix
  end
end

#-(oth) ⇒ Object

Returns the difference between two prefixes, or a prefix and a number, as a Fixnum


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# File 'lib/ipaddress/prefix.rb', line 73

def -(oth)
  if oth.is_a? Fixnum
    self.prefix - oth
  else
    (self.prefix - oth.prefix).abs
  end
end

#<=>(oth) ⇒ Object

Compare the prefix


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# File 'lib/ipaddress/prefix.rb', line 52

def <=>(oth)
  @prefix <=> oth.to_i
end

#to_iObject

Returns the prefix


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# File 'lib/ipaddress/prefix.rb', line 45

def to_i
  @prefix
end

#to_sObject Also known as: inspect

Returns a string with the prefix


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# File 'lib/ipaddress/prefix.rb', line 37

def to_s
  "#@prefix"
end