diff options
Diffstat (limited to 'lib/rubygems/dependency_resolver/index_set.rb')
-rw-r--r-- | lib/rubygems/dependency_resolver/index_set.rb | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/lib/rubygems/dependency_resolver/index_set.rb b/lib/rubygems/dependency_resolver/index_set.rb new file mode 100644 index 0000000000..fcf919d81b --- /dev/null +++ b/lib/rubygems/dependency_resolver/index_set.rb @@ -0,0 +1,59 @@ +## +# 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, source + key = "#{name}-#{ver}" + @specs[key] ||= source.fetch_spec(Gem::NameTuple.new(name, ver)) + end + + ## + # No prefetching needed since we load the whole index in + # initially. + + def prefetch gems + end + +end + |