Elep

# frozen_string_literal: true
##
# 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
  # https://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