Sha256: daba6b0356083417d1c4229222288c25998ce56637ddee80f436c43f03c9fbf0
Contents?: true
Size: 1.86 KB
Versions: 10
Compression:
Stored size: 1.86 KB
Contents
# frozen_string_literal: true
module Versionaire
# An immutable, semantic version value object.
class Version
include Comparable
attr_reader :major, :minor, :maintenance
def self.keys
%i[major minor maintenance]
end
def self.delimiter
"."
end
def self.string_format
/
\A # Start of string.
v? # Optional prefix.
\d{1,} # Major version.
#{delimiter} # Delimiter.
\d{1,} # Minor version.
#{delimiter} # Delimiter.
\d{1,} # Maintenance version.
\z # End of string.
/x
end
def self.arguments major, minor, maintenance
Hash[keys.zip [major, minor, maintenance]]
end
def initialize major: 0, minor: 0, maintenance: 0
@major = major
@minor = minor
@maintenance = maintenance
validate
end
def + other
self.class.new self.class.arguments(*reduce(other, :+))
end
def - other
self.class.new self.class.arguments(*reduce(other, :-))
end
def == other
other.is_a?(Version) && to_s == other.to_s
end
alias eql? ==
def <=> other
to_s <=> other.to_s
end
def hash
[major, minor, maintenance, self.class].hash
end
def label
"v#{self}"
end
def to_s
"#{major}#{self.class.delimiter}#{minor}#{self.class.delimiter}#{maintenance}"
end
alias to_str to_s
def to_a
[major, minor, maintenance]
end
def to_h
{major: major, minor: minor, maintenance: maintenance}
end
private
def validate
fail(Errors::InvalidNumber) if to_a.any? { |number| !number.is_a? Integer }
fail(Errors::NegativeNumber) if to_a.any?(&:negative?)
end
def reduce other, action
to_a.zip(other.to_a).map { |pair| pair.reduce(action) }
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems