lib/solve/version.rb
module Solve
# @author Jamie Winsor <jamie@vialstudios.com>
# @author Thibaud Guillaume-Gentil <thibaud@thibaud.me>
class Version
class << self
# @param [#to_s] version_string
#
# @raise [InvalidVersionFormat]
#
# @return [Array]
def split(version_string)
case version_string.to_s
when /^(\d+)\.(\d+)\.(\d+)(-([0-9a-z\-\.]+))?(\+([0-9a-z\-\.]+))?$/i
[ $1.to_i, $2.to_i, $3.to_i, $5, $7 ]
when /^(\d+)\.(\d+)\.(\d+)?$/
[ $1.to_i, $2.to_i, $3.to_i ]
when /^(\d+)\.(\d+)?$/
[ $1.to_i, $2.to_i, 0 ]
when /^(\d+)$/
[ $1.to_i, 0, 0 ]
else
raise Errors::InvalidVersionFormat.new(version_string)
end
end
end
include Comparable
attr_reader :major
attr_reader :minor
attr_reader :patch
attr_reader :pre_release
attr_reader :build
# @overload initialize(version_array)
# @param [Array] version_array
#
# @example
# Version.new([1, 2, 3, 'rc.1', 'build.1']) => #<Version: @major=1, @minor=2, @patch=3, @pre_release='rc.1', @build='build.1'>
#
# @overload initialize(version_string)
# @param [#to_s] version_string
#
# @example
# Version.new("1.2.3-rc.1+build.1") => #<Version: @major=1, @minor=2, @patch=3, @pre_release='rc.1', @build='build.1'>
#
# @overload initialize(version)
# @param [Solve::Version] version
#
# @example
# Version.new(Version.new("1.2.3-rc.1+build.1")) => #<Version: @major=1, @minor=2, @pre_release='rc.1', @build='build.1'>
#
def initialize(*args)
if args.first.is_a?(Array)
@major, @minor, @patch, @pre_release, @build = args.first
else
@major, @minor, @patch, @pre_release, @build = self.class.split(args.first.to_s)
end
@major ||= 0
@minor ||= 0
@patch ||= 0
end
# @param [Solve::Version] other
#
# @return [Integer]
def <=>(other)
[:major, :minor, :patch].each do |release|
ans = self.send(release) <=> other.send(release)
return ans if ans != 0
end
ans = pre_release_and_build_presence_score <=> other.pre_release_and_build_presence_score
return ans if ans != 0
ans = identifiers_comparaison(other, :pre_release)
return ans if ans != 0
if build && other.build
return identifiers_comparaison(other, :build)
else
return build.to_s <=> other.build.to_s
end
0
end
# @return [Array]
def identifiers(release)
send(release).to_s.split('.').map do |str|
str.to_i.to_s == str ? str.to_i : str
end
end
# @return [Integer]
def pre_release_and_build_presence_score
pre_release ? 0 : (build.nil? ? 1 : 2)
end
# @param [Solve::Version] other
#
# @return [Integer]
def identifiers_comparaison(other, release)
[identifiers(release).length, other.identifiers(release).length].max.times do |i|
if identifiers(release)[i].class == other.identifiers(release)[i].class
ans = identifiers(release)[i] <=> other.identifiers(release)[i]
return ans if ans != 0
elsif identifiers(release)[i] && other.identifiers(release)[i]
return identifiers(release)[i].class.to_s <=> other.identifiers(release)[i].class.to_s
elsif identifiers(release)[i] || other.identifiers(release)[i]
return other.identifiers(release)[i].class.to_s <=> identifiers(release)[i].class.to_s
end
end
0
end
# @param [Solve::Version] other
#
# @return [Boolean]
def eql?(other)
other.is_a?(Version) && self == other
end
def inspect
to_s
end
def to_s
str = "#{major}.#{minor}.#{patch}"
str += "-#{pre_release}" if pre_release
str += "+#{build}" if build
str
end
end
end