Class: Vseries::SemanticVersion::PreRelease

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

Constant Summary collapse

REGEXP = 
/-?(.+)\.(\d+)/
BlankPreReleaseError = 
Class.new(StandardError)

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(pre_release, initial_number: DEFAULT_PRE_RELEASE_INITIAL_NUMBER) ⇒ PreRelease

Returns a new instance of PreRelease.



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# File 'lib/vseries/semantic_version.rb', line 23

def initialize(pre_release, initial_number: DEFAULT_PRE_RELEASE_INITIAL_NUMBER)
  name, number = pre_release.match(REGEXP)&.captures

  @initial_number = initial_number
  return if name.nil? && number.nil?

  @name = name
  @number = number ? number.to_i : initial_number
end

Instance Attribute Details

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/vseries/semantic_version.rb', line 14

def name
  @name
end

#number ⇒ Object

Returns the value of attribute number.



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# File 'lib/vseries/semantic_version.rb', line 14

def number
  @number
end

Class Method Details

.with(name:, number: DEFAULT_PRE_RELEASE_INITIAL_NUMBER) ⇒ Object 



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# File 'lib/vseries/semantic_version.rb', line 16

def self.with(name:, number: DEFAULT_PRE_RELEASE_INITIAL_NUMBER)
  instance = allocate
  instance.name = name
  instance.number = number
  instance
end

Instance Method Details

#<=>(other) ⇒ Object 



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# File 'lib/vseries/semantic_version.rb', line 41

def <=>(other)
  return  0 if blank? && other.blank?
  return -1 if present? && other.blank?
  return  1 if blank? && other.present?
  return  1 if @name > other.name

  @number <=> other.number
end

#blank? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/vseries/semantic_version.rb', line 50

def blank?
  name.nil? && number.nil?
end

#present? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/vseries/semantic_version.rb', line 54

def present?
  !blank?
end

#to_s ⇒ Object 



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# File 'lib/vseries/semantic_version.rb', line 58

def to_s
  return '' if blank?

  "-#{@name}.#{@number}"
end

#up ⇒ Object

Raises:



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# File 'lib/vseries/semantic_version.rb', line 33

def up
  raise BlankPreReleaseError if blank?

  new_pre_release = self.dup
  new_pre_release.number = number ? number + 1 : @initial_number
  new_pre_release
end