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Module: Bundler::VersionRanges

Relationships & Source Files
Namespace Children
Classes:
NEq, ReqR
Defined in: lib/bundler/version_ranges.rb

Class Method Summary

Class Method Details

.empty?(ranges, neqs) ⇒ Boolean

[ GitHub ] 

  


# File 'lib/bundler/version_ranges.rb', line 63



def self.empty?(ranges, neqs)
  !ranges.reduce(ReqR::UNIVERSAL) do |last_range, curr_range|
    next false unless last_range
    next false if curr_range.single? && neqs.include?(curr_range.left.version)
    next curr_range if last_range.right.version == ReqR::INFINITY
    case last_range.right.version <=> curr_range.left.version
    when 1 then next curr_range
    when 0 then next(last_range.right.inclusive && curr_range.left.inclusive && !neqs.include?(curr_range.left.version) && curr_range)
    when -1 then next false
    end
  end
end


  








  

    .for(requirement)  
  

  [ GitHub ]


  

  


# File 'lib/bundler/version_ranges.rb', line 45



def self.for(requirement)
  ranges = requirement.requirements.map do |op, v|
    case op
    when "=" then ReqR.new(ReqR::Endpoint.new(v, true), ReqR::Endpoint.new(v, true))
    when "!=" then NEq.new(v)
    when ">=" then ReqR.new(ReqR::Endpoint.new(v, true), ReqR::Endpoint.new(ReqR::INFINITY, false))
    when ">" then ReqR.new(ReqR::Endpoint.new(v, false), ReqR::Endpoint.new(ReqR::INFINITY, false))
    when "<" then ReqR.new(ReqR::Endpoint.new(ReqR::ZERO, true), ReqR::Endpoint.new(v, false))
    when "<=" then ReqR.new(ReqR::Endpoint.new(ReqR::ZERO, true), ReqR::Endpoint.new(v, true))
    when "~>" then ReqR.new(ReqR::Endpoint.new(v, true), ReqR::Endpoint.new(v.bump, false))
    else raise "unknown version op #{op} in requirement #{requirement}"
    end
  end.uniq
  ranges, neqs = ranges.partition {|r| !r.is_a?(NEq) }

  [ranges.sort_by {|range| [range.left.version, range.left.inclusive ? 0 : 1] }, neqs.map(&:version)]
end


  








  

    .for_many(requirements)  
  

  [ GitHub ]


  

  


# File 'lib/bundler/version_ranges.rb', line 38



def self.for_many(requirements)
  requirements = requirements.map(&:requirements).flatten(1).map {|r| r.join(" ") }
  requirements << ">= 0.a" if requirements.empty?
  requirement = Gem::Requirement.new(requirements)
  self.for(requirement)
end