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##
# The global rubygems pool represented via the traditional
# source index.
class Gem::DependencyResolver::IndexSet
def initialize
@f = Gem::SpecFetcher.fetcher
@all = Hash.new { |h,k| h[k] = [] }
list, = @f.available_specs :released
list.each do |uri, specs|
specs.each do |n|
@all[n.name] << [uri, n]
end
end
@specs = {}
end
##
# Return an array of IndexSpecification objects matching
# DependencyRequest +req+.
def find_all req
res = []
name = req.dependency.name
@all[name].each do |uri, n|
if req.dependency.match? n
res << Gem::DependencyResolver::IndexSpecification.new(
self, n.name, n.version, uri, n.platform)
end
end
res
end
##
# Called from IndexSpecification to get a true Specification
# object.
def load_spec name, ver, platform, source
key = "#{name}-#{ver}-#{platform}"
@specs.fetch key do
tuple = Gem::NameTuple.new name, ver, platform
@specs[key] = source.fetch_spec tuple
end
end
##
# No prefetching needed since we load the whole index in
# initially.
def prefetch gems
end
end
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