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#--
# This file is part of Sonic Pi: http://sonic-pi.net
# Full project source: https://github.com/samaaron/sonic-pi
# License: https://github.com/samaaron/sonic-pi/blob/master/LICENSE.md
#
# Copyright 2013, 2014, 2015, 2016 by Sam Aaron (http://sam.aaron.name).
# All rights reserved.
#
# Permission is granted for use, copying, modification, and
# distribution of modified versions of this work as long as this
# notice is included.
#++
module SonicPi
class Version
include Comparable
attr_reader :major, :minor, :patch, :dev
def self.init_from_string(s)
s = s.to_s
m1 = /\A[vV]?([0-9]+)\Z/
m2 = /\A[vV]?([0-9]+)\.([0-9]+)\Z/
m3 = /\A[vV]?([0-9]+)\.([0-9]+)\.([0-9]+)\Z/
m4 = /\A[vV]?([0-9]+)\.([0-9]+)\.([0-9]+)-(.+)\Z/
if m = s.match(m1)
self.new(m[1])
elsif m = s.match(m2)
self.new(m[1], m[2])
elsif m = s.match(m3)
self.new(m[1], m[2], m[3])
elsif m = s.match(m4)
self.new(m[1], m[2], m[3], m[4])
else
raise "Malformed version: #{s}. Expecting something of the form v2.1.0-RC3"
end
end
def initialize(major, minor=0, patch=0, dev=nil)
@major = major.to_i
@minor = minor.to_i
@patch = patch.to_i
@dev = dev
end
def to_s
if @dev
"v#{@major}.#{@minor}.#{@patch}-#{@dev}"
else
if @patch == 0
"v#{@major}.#{@minor}"
else
"v#{@major}.#{@minor}.#{@patch}"
end
end
end
def <=>(other)
if ((other.is_a? Version) &&
(@major < other.major) or
((@major == other.major) && (@minor < other.minor)) or
((@major == other.major) && (@minor == other.minor) && (@patch < other.patch)) or
if (@dev && other.dev)
((@major == other.major) && (@minor == other.minor) && (@patch == other.patch) && (@dev.to_s < other.dev.to_s))
else
((@major == other.major) && (@minor == other.minor) && (@patch == other.patch) && @dev)
end)
return -1
elsif ((other.is_a? Version) &&
(@major > other.major) or
((@major == other.major) && (@minor > other.minor)) or
((@major == other.major) && (@minor == other.minor) && (@patch > other.patch)) or
if (@dev && other.dev)
((@major == other.major) && (@minor == other.minor) && (@patch == other.patch) && (@dev.to_s > other.dev.to_s))
else
((@major == other.major) && (@minor == other.minor) && (@patch == other.patch) && other.dev)
end)
return 1
elsif ((other.is_a? Version) &&
(@major == other.major) &&
(@minor == other.minor) &&
(@patch == other.patch) &&
(@dev == other.dev))
return 0
else
return nil
end
end
def inspect
to_s
end
def dev?
!!@dev
end
def to_i
res = (@major * 100000000) + (@minor * 1000) + (@patch)
res += 1 unless @dev
return res
end
end
end
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