зеркало из https://github.com/github/ruby.git
94 строки
1.6 KiB
Ruby
94 строки
1.6 KiB
Ruby
class Gem::AvailableSet
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Tuple = Struct.new(:spec, :source)
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def initialize
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@set = []
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@sorted = nil
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end
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attr_reader :set
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def add(spec, source)
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@set << Tuple.new(spec, source)
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@sorted = nil
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self
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end
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def <<(o)
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case o
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when Gem::AvailableSet
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s = o.set
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when Array
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s = o.map do |sp,so|
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if !sp.kind_of?(Gem::Specification) or !so.kind_of?(Gem::Source)
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raise TypeError, "Array must be in [[spec, source], ...] form"
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end
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Tuple.new(sp,so)
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end
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else
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raise TypeError, "must be a Gem::AvailableSet"
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end
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@set += s
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@sorted = nil
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self
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end
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def empty?
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@set.empty?
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end
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def all_specs
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@set.map { |t| t.spec }
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end
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def match_platform!
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@set.reject! { |t| !Gem::Platform.match(t.spec.platform) }
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@sorted = nil
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self
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end
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def sorted
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@sorted ||= @set.sort do |a,b|
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i = b.spec <=> a.spec
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i != 0 ? i : (a.source <=> b.source)
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end
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end
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def size
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@set.size
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end
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def source_for(spec)
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f = @set.find { |t| t.spec == spec }
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f.source
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end
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def pick_best!
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return self if empty?
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@set = [sorted.first]
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@sorted = nil
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self
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end
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def remove_installed!(dep)
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@set.reject! do |t|
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# already locally installed
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Gem::Specification.any? do |installed_spec|
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dep.name == installed_spec.name and
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dep.requirement.satisfied_by? installed_spec.version
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end
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end
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@sorted = nil
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self
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end
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def inject_into_list(dep_list)
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@set.each { |t| dep_list.add t.spec }
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end
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end
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