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Class: Bundler::PubGrub::VersionConstraint

Relationships & Source Files
Inherits: Object
Defined in: lib/bundler/vendor/pub_grub/lib/pub_grub/version_constraint.rb

Class Method Summary

Instance Attribute Summary

Instance Method Summary

Constructor Details

.new(package, range: nil) ⇒ VersionConstraint

Parameters:

[ GitHub ] 

  


# File 'lib/bundler/vendor/pub_grub/lib/pub_grub/version_constraint.rb', line 9



def initialize(package, range: nil)
  @package = package
  @range = range
end


  







Class Method Details



  

    .any(package)  
  

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# File 'lib/bundler/vendor/pub_grub/lib/pub_grub/version_constraint.rb', line 34



def any(package)
  new(package, range: VersionRange.any)
end


  








  

    .empty(package)  
  

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# File 'lib/bundler/vendor/pub_grub/lib/pub_grub/version_constraint.rb', line 38



def empty(package)
  new(package, range: VersionRange.empty)
end


  








  

    .exact(package, version)  
  

  [ GitHub ]


  

  


# File 'lib/bundler/vendor/pub_grub/lib/pub_grub/version_constraint.rb', line 29



def exact(package, version)
  range = VersionRange.new(min: version, max: version, include_min: true, include_max: true)
  new(package, range: range)
end


  







Instance Attribute Details



  

    #any?  ⇒ Boolean  (readonly)
  



  

    

Does this match every version of the package


  





  


  [ GitHub ]


  

  


# File 'lib/bundler/vendor/pub_grub/lib/pub_grub/version_constraint.rb', line 121



def any?
  range.any?
end


  








  

    #empty?  ⇒ Boolean  (readonly)
  

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# File 'lib/bundler/vendor/pub_grub/lib/pub_grub/version_constraint.rb', line 116



def empty?
  range.empty?
end


  








  

    #package   (readonly)
  

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# File 'lib/bundler/vendor/pub_grub/lib/pub_grub/version_constraint.rb', line 5



attr_reader :package, :range


  








  

    #range   (readonly)
  

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# File 'lib/bundler/vendor/pub_grub/lib/pub_grub/version_constraint.rb', line 5



attr_reader :package, :range


  







Instance Method Details



  

    #==(other)  
  

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# File 'lib/bundler/vendor/pub_grub/lib/pub_grub/version_constraint.rb', line 18



def ==(other)
  package == other.package &&
    range == other.range
end


  








  

    #allows_all?(other)  ⇒ Boolean 
  



  

    
  





  


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# File 'lib/bundler/vendor/pub_grub/lib/pub_grub/version_constraint.rb', line 68



def allows_all?(other)
  range.allows_all?(other.range)
end


  








  

    #allows_any?(other)  ⇒ Boolean 
  



  

    
  





  


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# File 'lib/bundler/vendor/pub_grub/lib/pub_grub/version_constraint.rb', line 72



def allows_any?(other)
  range.intersects?(other.range)
end


  








  

    #constraint_string  
  

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# File 'lib/bundler/vendor/pub_grub/lib/pub_grub/version_constraint.rb', line 108



def constraint_string
  if any?
    ">= 0"
  else
    range.to_s
  end
end


  








  

    #difference(other)  
  

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# File 'lib/bundler/vendor/pub_grub/lib/pub_grub/version_constraint.rb', line 64



def difference(other)
  intersect(other.invert)
end


  








  

    #disjoint?(other)  ⇒ Boolean 
  



  

    
  





  


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# File 'lib/bundler/vendor/pub_grub/lib/pub_grub/version_constraint.rb', line 84



def disjoint?(other)
  !overlap?(other)
end


  








  

    #eql?(other)  ⇒ Boolean 
  



  

    
  





  


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# File 'lib/bundler/vendor/pub_grub/lib/pub_grub/version_constraint.rb', line 23



def eql?(other)
  package.eql?(other.package) &&
    range.eql?(other.range)
end


  








  

    #hash  
  

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# File 'lib/bundler/vendor/pub_grub/lib/pub_grub/version_constraint.rb', line 14



def hash
  package.hash ^ range.hash
end


  








  

    #inspect  
  

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# File 'lib/bundler/vendor/pub_grub/lib/pub_grub/version_constraint.rb', line 125



def inspect
  "#<#{self.class} #{self}>"
end


  








  

    #intersect(other)  
  

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# File 'lib/bundler/vendor/pub_grub/lib/pub_grub/version_constraint.rb', line 43



def intersect(other)
  unless package == other.package
    raise ArgumentError, "Can only intersect between VersionConstraint of the same package"
  end

  self.class.new(package, range: range.intersect(other.range))
end


  








  

    #invert  
  

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# File 'lib/bundler/vendor/pub_grub/lib/pub_grub/version_constraint.rb', line 59



def invert
  new_range = range.invert
  self.class.new(package, range: new_range)
end


  








  

    #overlap?(other)  ⇒ Boolean 
  



  

    
  





  


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# File 'lib/bundler/vendor/pub_grub/lib/pub_grub/version_constraint.rb', line 80



def overlap?(other)
  other.allows_any?(self)
end


  








  

    #relation(other)  
  

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# File 'lib/bundler/vendor/pub_grub/lib/pub_grub/version_constraint.rb', line 88



def relation(other)
  if subset?(other)
    :subset
  elsif overlap?(other)
    :overlap
  else
    :disjoint
  end
end


  








  

    #subset?(other)  ⇒ Boolean 
  



  

    
  





  


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# File 'lib/bundler/vendor/pub_grub/lib/pub_grub/version_constraint.rb', line 76



def subset?(other)
  other.allows_all?(self)
end


  








  

    #to_s(allow_every: false)  
  

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# File 'lib/bundler/vendor/pub_grub/lib/pub_grub/version_constraint.rb', line 98



def to_s(allow_every: false)
  if Package.root?(package)
    package.to_s
  elsif allow_every && any?
    "every version of #{package}"
  else
    "#{package} #{constraint_string}"
  end
end


  








  

    #union(other)  
  

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# File 'lib/bundler/vendor/pub_grub/lib/pub_grub/version_constraint.rb', line 51



def union(other)
  unless package == other.package
    raise ArgumentError, "Can only intersect between VersionConstraint of the same package"
  end

  self.class.new(package, range: range.union(other.range))
end