Class: AptControl::Version

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

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(major, minor, bugfix, debian) ⇒ Version

Returns a new instance of Version.



32
33
34
35
36
37
 
# File 'lib/apt_control.rb', line 32

def initialize(major, minor, bugfix, debian)
  @major = major && major.to_i
  @minor = minor && minor.to_i
  @bugfix = bugfix && bugfix.to_i
  @debian = debian
end

Instance Attribute Details

#bugfix ⇒ Object (readonly)

Returns the value of attribute bugfix.



25
26
27
 
# File 'lib/apt_control.rb', line 25

def bugfix
  @bugfix
end

#debian ⇒ Object (readonly)

Returns the value of attribute debian.



25
26
27
 
# File 'lib/apt_control.rb', line 25

def debian
  @debian
end

#major ⇒ Object (readonly)

Returns the value of attribute major.



25
26
27
 
# File 'lib/apt_control.rb', line 25

def major
  @major
end

#minor ⇒ Object (readonly)

Returns the value of attribute minor.



25
26
27
 
# File 'lib/apt_control.rb', line 25

def minor
  @minor
end

Class Method Details

.parse(string) ⇒ Object 



27
28
29
30
 
# File 'lib/apt_control.rb', line 27

def self.parse(string)
  match = /^([0-9]+)(?:\.([0-9]+))?(?:\.([0-9]+))?(?:-(.+))?$/.match(string)
  match && new(*(1..4).map { |i| match[i] }) or raise "could not parse #{string}"
end

Instance Method Details

#<=>(rhs) ⇒ Object 



43
44
45
 
# File 'lib/apt_control.rb', line 43

def <=>(rhs)
  self.to_a.compact <=> rhs.to_a.compact
end

#==(rhs) ⇒ Object 



47
48
49
 
# File 'lib/apt_control.rb', line 47

def ==(rhs)
  self.to_a == rhs.to_a
end

#=~(rhs) ⇒ Object 



51
52
53
 
# File 'lib/apt_control.rb', line 51

def =~(rhs)
  self.to_a[0...3] == rhs.to_a[0...3]
end

#satisfies_exactly(rhs) ⇒ Object

operator

returns true if this version satisfies the given rule and version spec, where all parts of the version given match our parts. Not commutative, as 1.3.1.4 satisfies 1.3, but 1.3 does not satisfy 1.3.1.4



59
60
61
62
63
64
 
# File 'lib/apt_control.rb', line 59

def satisfies_exactly(rhs)
  rhs.to_a.compact.zip(self.to_a).each do |rhs_part, lhs_part|
    return false unless rhs_part == lhs_part
  end
  return true
end

#satisfies_loosely(rhs) ⇒ Object

>= operator returns true if this version is greater than or equal to the given version



68
69
70
71
72
 
# File 'lib/apt_control.rb', line 68

def satisfies_loosely(rhs)
  return true if satisfies_exactly(rhs)
  return true if (self.to_a.compact <=> rhs.to_a.compact) >= 0
  return false
end

#satisfies_pessimisticly(rhs) ⇒ Object

~> operator



75
76
77
78
79
80
81
82
83
 
# File 'lib/apt_control.rb', line 75

def satisfies_pessimisticly(rhs)

  return false unless self.to_a[0...2] == rhs.to_a[0...2]

  lhs_half = self.to_a[2..-1]
  rhs_half = rhs.to_a[2..-1]

  (lhs_half.compact <=> rhs_half.compact) >= 0
end

#to_a ⇒ Object 



39
40
41
 
# File 'lib/apt_control.rb', line 39

def to_a
  [@major, @minor, @bugfix, @debian]
end

#to_s ⇒ Object 



85
86
87
88
89
90
91
 
# File 'lib/apt_control.rb', line 85

def to_s
  [
    "#{major}.#{minor}",
    bugfix && ".#{bugfix}",
    debian && "-#{debian}"
  ].compact.join
end