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authorJari Vetoniemi <jari.vetoniemi@indooratlas.com>2020-03-16 18:49:26 +0900
committerJari Vetoniemi <jari.vetoniemi@indooratlas.com>2020-03-30 00:39:06 +0900
commitfcbf63e62c627deae76c1b8cb8c0876c536ed811 (patch)
tree64cb17de3f41a2b6fef2368028fbd00349946994 /jni/ruby/lib/rubygems/resolver/api_set.rb
Fresh start
Diffstat (limited to 'jni/ruby/lib/rubygems/resolver/api_set.rb')
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diff --git a/jni/ruby/lib/rubygems/resolver/api_set.rb b/jni/ruby/lib/rubygems/resolver/api_set.rb
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+##
+# The global rubygems pool, available via the rubygems.org API.
+# Returns instances of APISpecification.
+
+class Gem::Resolver::APISet < Gem::Resolver::Set
+
+ ##
+ # The URI for the dependency API this APISet uses.
+
+ attr_reader :dep_uri # :nodoc:
+
+ ##
+ # The Gem::Source that gems are fetched from
+
+ attr_reader :source
+
+ ##
+ # The corresponding place to fetch gems.
+
+ attr_reader :uri
+
+ ##
+ # Creates a new APISet that will retrieve gems from +uri+ using the RubyGems
+ # API URL +dep_uri+ which is described at
+ # http://guides.rubygems.org/rubygems-org-api
+
+ def initialize dep_uri = 'https://rubygems.org/api/v1/dependencies'
+ super()
+
+ dep_uri = URI dep_uri unless URI === dep_uri # for ruby 1.8
+
+ @dep_uri = dep_uri
+ @uri = dep_uri + '../..'
+
+ @data = Hash.new { |h,k| h[k] = [] }
+ @source = Gem::Source.new @uri
+
+ @to_fetch = []
+ end
+
+ ##
+ # Return an array of APISpecification objects matching
+ # DependencyRequest +req+.
+
+ def find_all req
+ res = []
+
+ return res unless @remote
+
+ if @to_fetch.include?(req.name)
+ prefetch_now
+ end
+
+ versions(req.name).each do |ver|
+ if req.dependency.match? req.name, ver[:number]
+ res << Gem::Resolver::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
+ return unless @remote
+ names = reqs.map { |r| r.dependency.name }
+ needed = names - @data.keys - @to_fetch
+
+ @to_fetch += needed
+ end
+
+ def prefetch_now # :nodoc:
+ needed, @to_fetch = @to_fetch, []
+
+ uri = @dep_uri + "?gems=#{needed.sort.join ','}"
+ str = Gem::RemoteFetcher.fetcher.fetch_path uri
+
+ loaded = []
+
+ Marshal.load(str).each do |ver|
+ name = ver[:name]
+
+ @data[name] << ver
+ loaded << name
+ end
+
+ (needed - loaded).each do |missing|
+ @data[missing] = []
+ end
+ end
+
+ def pretty_print q # :nodoc:
+ q.group 2, '[APISet', ']' do
+ q.breakable
+ q.text "URI: #{@dep_uri}"
+
+ q.breakable
+ q.text 'gem names:'
+ q.pp @data.keys
+ end
+ end
+
+ ##
+ # Return data for all versions of the gem +name+.
+
+ def versions name # :nodoc:
+ 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
+