Class: UniversaTools::SemanticVersion

Inherits:
Object
  • Object
show all
Includes:
Comparable
Defined in:
lib/universa_tools/semantic_version.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(string) ⇒ SemanticVersion

Returns a new instance of SemanticVersion.



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# File 'lib/universa_tools/semantic_version.rb', line 6

def initialize string
  @parts = string.split('.').map(&:to_i)
  @parts.any? { |x| x < 0 } and raise ArgumentError, "version numbers must be positive"
end

Instance Attribute Details

#parts ⇒ Object (readonly)

Returns the value of attribute parts.



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# File 'lib/universa_tools/semantic_version.rb', line 3

def parts
  @parts
end

Instance Method Details

#<=>(other) ⇒ Object 



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# File 'lib/universa_tools/semantic_version.rb', line 11

def <=> other
  if other.is_a?(SemanticVersion)
    n = [@parts.size, other.parts.size].max
    (0...n).each { |i|
      my = @parts[i] || -1
      his = other.parts[i] || -1
      return my <=> his if my != his
    }
    0
  else
    self <=> SemanticVersion.new(other)
  end
end

#to_s ⇒ Object 



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# File 'lib/universa_tools/semantic_version.rb', line 25

def to_s
  @str ||= parts.join('.')
end