# frozen_string_literal: true

##
# A set of gems from a gem dependencies lockfile.

class Gem::Resolver::LockSet < Gem::Resolver::Set
  attr_reader :specs # :nodoc:

  ##
  # Creates a new LockSet from the given +sources+

  def initialize(sources)
    super()

    @sources = sources.map do |source|
      Gem::Source::Lock.new source
    end

    @specs = []
  end

  ##
  # Creates a new IndexSpecification in this set using the given +name+,
  # +version+ and +platform+.
  #
  # The specification's set will be the current set, and the source will be
  # the current set's source.

  def add(name, version, platform) # :nodoc:
    version = Gem::Version.new version
    specs = [
      Gem::Resolver::LockSpecification.new(self, name, version, @sources, platform),
    ]

    @specs.concat specs

    specs
  end

  ##
  # Returns an Array of IndexSpecification objects matching the
  # DependencyRequest +req+.

  def find_all(req)
    @specs.select do |spec|
      req.match? spec
    end
  end

  ##
