Class: Version

Inherits:
Object
  • Object
show all
Extended by:
T::Sig
Includes:
Comparable
Defined in:
Library/Homebrew/version.rb,
Library/Homebrew/version/null.rb,
Library/Homebrew/version/parser.rb

Overview

typed: true frozen_string_literal: true

Direct Known Subclasses

HeadVersion, OS::Mac::Version

Defined Under Namespace

Classes: AlphaToken, BetaToken, CompositeToken, NumericToken, Parser, PatchToken, PostToken, PreToken, RCToken, RegexParser, StemParser, StringToken, Token, UrlParser

Constant Summary collapse

NULL_TOKEN =

This constant is part of a private API. You should avoid using this constant if possible, as it may be removed or be changed in the future.

Represents the absence of a token.

NullToken.new.freeze
NULL =

This constant is part of a private API. You should avoid using this constant if possible, as it may be removed or be changed in the future.

Represents the absence of a version.

NullVersion.instance.freeze

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(val, detected_from_url: false) ⇒ Version

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a new instance of Version.

Raises:

  • (TypeError) 

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# File 'Library/Homebrew/version.rb', line 504

def initialize(val, detected_from_url: false)
  raise TypeError, "Version value must be a string; got a #{val.class} (#{val})" unless val.respond_to?(:to_str)

  @version = val.to_str
  @detected_from_url = detected_from_url
end

Class Method Details

.create(val) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Raises:

  • (TypeError) 

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# File 'Library/Homebrew/version.rb', line 351

def self.create(val)
  raise TypeError, "Version value must be a string; got a #{val.class} (#{val})" unless val.respond_to?(:to_str)

  if val.to_str.start_with?("HEAD")
    HeadVersion.new(val)
  else
    Version.new(val)
  end
end

.detect(url, **specs) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 


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# File 'Library/Homebrew/version.rb', line 346

def self.detect(url, **specs)
  parse(specs.fetch(:tag, url), detected_from_url: true)
end

.formula_optionally_versioned_regex(name, full: true) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 


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# File 'Library/Homebrew/version.rb', line 17

def self.formula_optionally_versioned_regex(name, full: true)
  /#{"^" if full}#{Regexp.escape(name)}(@\d[\d.]*)?#{"$" if full}/
end

.parse(spec, detected_from_url: false) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 


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# File 'Library/Homebrew/version.rb', line 362

def self.parse(spec, detected_from_url: false)
  version = _parse(spec, detected_from_url: detected_from_url)
  version.nil? ? NULL : new(version, detected_from_url: detected_from_url)
end

Instance Method Details

#<=>(other) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 


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# File 'Library/Homebrew/version.rb', line 527

def <=>(other)
  # Needed to retain API compatibility with older string comparisons
  # for compiler versions, etc.
  other = Version.new(other) if other.is_a? String
  # Used by the *_build_version comparisons, which formerly returned Fixnum
  other = Version.new(other.to_s) if other.is_a? Integer
  return 1 if other.nil?
  return 1 if other.respond_to?(:null?) && other.null?

  other = Version.new(other.to_s) if other.is_a? Token
  return unless other.is_a?(Version)
  return 0 if version == other.version
  return 1 if head? && !other.head?
  return -1 if !head? && other.head?
  return 0 if head? && other.head?

  ltokens = tokens
  rtokens = other.tokens
  max = max(ltokens.length, rtokens.length)
  l = r = 0

  while l < max
    a = ltokens[l] || NULL_TOKEN
    b = rtokens[r] || NULL_TOKEN

    if a == b
      l += 1
      r += 1
      next
    elsif a.numeric? && !b.numeric?
      return 1 if a > NULL_TOKEN

      l += 1
    elsif !a.numeric? && b.numeric?
      return -1 if b > NULL_TOKEN

      r += 1
    else
      return a <=> b
    end
  end

  0
end

#detected_from_url? ⇒ Boolean

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (Boolean) 

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# File 'Library/Homebrew/version.rb', line 512

def detected_from_url?
  @detected_from_url
end

#empty? ⇒ Boolean

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (Boolean) 

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# File 'Library/Homebrew/version.rb', line 604

def empty?
  version.empty?
end

#hash ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 


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# File 'Library/Homebrew/version.rb', line 609

def hash
  version.hash
end

#head? ⇒ Boolean

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (Boolean) 

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# File 'Library/Homebrew/version.rb', line 517

def head?
  false
end

#major ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 


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# File 'Library/Homebrew/version.rb', line 575

def major
  tokens.first
end

#major_minor ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 


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# File 'Library/Homebrew/version.rb', line 593

def major_minor
  self.class.new([major, minor].compact.join("."))
end

#major_minor_patch ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 


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# File 'Library/Homebrew/version.rb', line 599

def major_minor_patch
  self.class.new([major, minor, patch].compact.join("."))
end

#minor ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 


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# File 'Library/Homebrew/version.rb', line 581

def minor
  tokens.second
end

#null? ⇒ Boolean

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (Boolean) 

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# File 'Library/Homebrew/version.rb', line 522

def null?
  false
end

#patch ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 


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# File 'Library/Homebrew/version.rb', line 587

def patch
  tokens.third
end

#to_f ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 


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# File 'Library/Homebrew/version.rb', line 614

def to_f
  version.to_f
end

#to_i ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 


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# File 'Library/Homebrew/version.rb', line 619

def to_i
  version.to_i
end

#to_s ⇒ Object Also known as: to_str

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 


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# File 'Library/Homebrew/version.rb', line 624

def to_s
  version.dup
end