Class: Avm::VersionNumber

Inherits:
Object
  • Object
show all
Includes:
Comparable
Defined in:
lib/avm/version_number.rb

Overview

A sequence of segments of integer versions (Ex.: 2, 1.0.1, 3.0.0.0.0).

Constant Summary collapse

SEGMENT_SEPARATOR = 
'.'

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(segments) ⇒ VersionNumber

Returns a new instance of VersionNumber.



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# File 'lib/avm/version_number.rb', line 19

def initialize(segments)
  @segments = self.class.segments_from_mixed(segments).freeze
end

Instance Attribute Details

#segments ⇒ Object (readonly)

Returns the value of attribute segments.



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# File 'lib/avm/version_number.rb', line 17

def segments
  @segments
end

Class Method Details

.segments_from_mixed(segments) ⇒ Object 



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# File 'lib/avm/version_number.rb', line 11

def segments_from_mixed(segments)
  (segments.is_a?(::Enumerable) ? segments.to_a : segments.to_s.split(SEGMENT_SEPARATOR))
    .map(&:to_i)
end

Instance Method Details

#<=>(other) ⇒ Object 



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# File 'lib/avm/version_number.rb', line 25

def <=>(other)
  segments <=> other.segments
end

#increment_segment(segment_index) ⇒ Avm::Version

Returns:

  • (Avm::Version) 


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# File 'lib/avm/version_number.rb', line 34

def increment_segment(segment_index)
  x = [segments.count, segment_index + 1].max.times.map do |index|
    value = index < segments.count ? segments[index] : 0
    next value if index < segment_index
    next value + 1 if index == segment_index

    0
  end
  self.class.new x
end

#to_s ⇒ Object 



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# File 'lib/avm/version_number.rb', line 29

def to_s
  segments.join(SEGMENT_SEPARATOR)
end