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##
# The global rubygems pool, available via the rubygems.org API.
# Returns instances of APISpecification.
class Gem::DependencyResolver::APISet
def initialize
@data = Hash.new { |h,k| h[k] = [] }
@dep_uri = URI 'https://rubygems.org/api/v1/dependencies'
end
##
# Return an array of APISpecification objects matching
# DependencyRequest +req+.
def find_all req
res = []
versions(req.name).each do |ver|
if req.dependency.match? req.name, ver[:number]
res << Gem::DependencyResolver::APISpecification.new(self, ver)
end
end
res
end
##
# A hint run by the resolver to allow the Set to fetch
# data for DependencyRequests +reqs+.
def prefetch reqs
names = reqs.map { |r| r.dependency.name }
needed = names.find_all { |d| !@data.key?(d) }
return if needed.empty?
uri = @dep_uri + "?gems=#{needed.sort.join ','}"
str = Gem::RemoteFetcher.fetcher.fetch_path uri
Marshal.load(str).each do |ver|
@data[ver[:name]] << ver
end
end
##
# Return data for all versions of the gem +name+.
def versions name
if @data.key?(name)
return @data[name]
end
uri = @dep_uri + "?gems=#{name}"
str = Gem::RemoteFetcher.fetcher.fetch_path uri
Marshal.load(str).each do |ver|
@data[ver[:name]] << ver
end
@data[name]
end
end
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