Class: Version::Component

Inherits:
Object
  • Object
show all
Defined in:
lib/asrake/version/component.rb

Overview

(The MIT License)

Copyright © 2010-2010 Stephen Touset

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(component) ⇒ Component

Creates a single Component of a version, consisting of digits and possibly a letter. For example, 1, 3a, 12, or 0.



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# File 'lib/asrake/version/component.rb', line 32

def initialize(component)
	parts = component.split /(?=\D)/
	
	self.digits = parts[0].to_i
	self.letter = parts[1].to_s.strip
end

Instance Attribute Details

#digits ⇒ Object

Returns the value of attribute digits.



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# File 'lib/asrake/version/component.rb', line 25

def digits
  @digits
end

#letter ⇒ Object

Returns the value of attribute letter.



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# File 'lib/asrake/version/component.rb', line 26

def letter
  @letter
end

Instance Method Details

#<=>(other) ⇒ Object 



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# File 'lib/asrake/version/component.rb', line 67

def <=>(other)
	self.to_sortable_a <=> other.to_sortable_a
end

#initialize_copy(other) ⇒ Object 



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# File 'lib/asrake/version/component.rb', line 39

def initialize_copy(other)
	self.digits = other.digits
	self.letter = other.letter.dup
end

#inspect ⇒ Object 



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# File 'lib/asrake/version/component.rb', line 87

def inspect
	self.to_s.inspect
end

#next(pre = false) ⇒ Object 



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# File 'lib/asrake/version/component.rb', line 52

def next(pre = false)
	self.dup.next!(pre)
end

#next!(pre = false) ⇒ Object 



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# File 'lib/asrake/version/component.rb', line 56

def next!(pre = false)
	case
		when (	  pre and	  self.prerelease?) then self.letter.next!
		when (    pre and not self.prerelease?) then self.letter = 'a'
		when (not pre and	  self.prerelease?) then self.letter = ''
		when (not pre and not self.prerelease?) then self.digits = self.digits.next
	end
	
	self
end

#prerelease? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/asrake/version/component.rb', line 44

def prerelease?
	not self.letter.empty?
end

#to_a ⇒ Object 



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# File 'lib/asrake/version/component.rb', line 75

def to_a
	[ self.digits, self.letter ]
end

#to_i ⇒ Object 



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# File 'lib/asrake/version/component.rb', line 79

def to_i
	self.digits
end

#to_s ⇒ Object 



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# File 'lib/asrake/version/component.rb', line 83

def to_s
	self.to_a.join
end

#to_sortable_a ⇒ Object 



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# File 'lib/asrake/version/component.rb', line 71

def to_sortable_a
	[ self.digits, self.prerelease? ? 0 : 1, self.letter ]
end

#unprerelease! ⇒ Object 



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# File 'lib/asrake/version/component.rb', line 48

def unprerelease!
	self.next! if self.prerelease?
end