Class: Ports::Version

Inherits:
Object
  • Object
show all
Includes:
Comparable
Defined in:
lib/port_upgrade/version.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(s) ⇒ Version

Returns a new instance of Version.



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# File 'lib/port_upgrade/version.rb', line 5

def initialize(s)
  @parts = breakup_version(s)
end

Instance Attribute Details

#parts ⇒ Object (readonly)

Returns the value of attribute parts.



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# File 'lib/port_upgrade/version.rb', line 4

def parts
  @parts
end

Instance Method Details

#<=>(other) ⇒ Object 



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# File 'lib/port_upgrade/version.rb', line 9

def <=>(other)
  return 0 if @parts.nil? or other.parts.nil?
  $stderr.puts("self: #{@parts.inspect}") if $DEBUG
  $stderr.puts("other: #{other.parts.inspect}") if $DEBUG
  cmp = 0
  numparts = @parts.size>other.parts.size ? @parts.size : other.parts.size
  0.upto(numparts-1) do |i|
    p = i>=@parts.size ? ["-1"] : @parts[i]
    q = i>=other.parts.size ? ["-1"] : other.parts[i]
    numsubparts = p.size>q.size ? p.size : q.size
    0.upto(numsubparts-1) do |j|
      r = j>=p.size ? "-1" : p[j]
      s = j>=q.size ? "-1" : q[j]

      $stderr.puts("p of #{j}: #{r}") if $DEBUG
      $stderr.puts("q of #{j}: #{s}") if $DEBUG
      a = r =~ /^-?[0-9]+$/ ? r.to_i : r
      b = s =~ /^-?[0-9]+$/ ? s.to_i : s
      $stderr.puts "#{a.inspect} <=> #{b.inspect}" if $DEBUG
      if a.instance_of?(b.class)
        cmp = a <=> b
      else
        $stderr.puts "Can't compare different classes #{a.class.to_s} <=> #{b.class.to_s}" if $DEBUG
        cmp = 0
      end
      return cmp if cmp != 0
    end
    return cmp if cmp != 0
  end
  cmp
end