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proc
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self
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root
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opt
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alt
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ruby25
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lib64
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ruby
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2.5.0
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rubygems
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Filename :
stub_specification.rb
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# frozen_string_literal: true ## # Gem::StubSpecification reads the stub: line from the gemspec. This prevents # us having to eval the entire gemspec in order to find out certain # information. class Gem::StubSpecification < Gem::BasicSpecification # :nodoc: PREFIX = "# stub: " OPEN_MODE = # :nodoc: if Object.const_defined? :Encoding then 'r:UTF-8:-' else 'r' end class StubLine # :nodoc: all attr_reader :name, :version, :platform, :require_paths, :extensions, :full_name NO_EXTENSIONS = [].freeze # These are common require paths. REQUIRE_PATHS = { # :nodoc: 'lib' => 'lib'.freeze, 'test' => 'test'.freeze, 'ext' => 'ext'.freeze, } # These are common require path lists. This hash is used to optimize # and consolidate require_path objects. Most specs just specify "lib" # in their require paths, so lets take advantage of that by pre-allocating # a require path list for that case. REQUIRE_PATH_LIST = { # :nodoc: 'lib' => ['lib'].freeze } def initialize data, extensions parts = data[PREFIX.length..-1].split(" ".freeze, 4) @name = parts[0].freeze @version = if Gem::Version.correct?(parts[1]) Gem::Version.new(parts[1]) else Gem::Version.new(0) end @platform = Gem::Platform.new parts[2] @extensions = extensions @full_name = if platform == Gem::Platform::RUBY "#{name}-#{version}" else "#{name}-#{version}-#{platform}" end path_list = parts.last @require_paths = REQUIRE_PATH_LIST[path_list] || path_list.split("\0".freeze).map! { |x| REQUIRE_PATHS[x] || x } end end def self.default_gemspec_stub filename, base_dir, gems_dir new filename, base_dir, gems_dir, true end def self.gemspec_stub filename, base_dir, gems_dir new filename, base_dir, gems_dir, false end attr_reader :base_dir, :gems_dir def initialize filename, base_dir, gems_dir, default_gem super() filename.untaint self.loaded_from = filename @data = nil @name = nil @spec = nil @base_dir = base_dir @gems_dir = gems_dir @default_gem = default_gem end ## # True when this gem has been activated def activated? @activated ||= begin loaded = Gem.loaded_specs[name] loaded && loaded.version == version end end def default_gem? @default_gem end def build_extensions # :nodoc: return if default_gem? return if extensions.empty? to_spec.build_extensions end ## # If the gemspec contains a stubline, returns a StubLine instance. Otherwise # returns the full Gem::Specification. def data unless @data begin saved_lineno = $. # TODO It should be use `File.open`, but bundler-1.16.1 example expects Kernel#open. open loaded_from, OPEN_MODE do |file| begin file.readline # discard encoding line stubline = file.readline.chomp if stubline.start_with?(PREFIX) then extensions = if /\A#{PREFIX}/ =~ file.readline.chomp $'.split "\0" else StubLine::NO_EXTENSIONS end @data = StubLine.new stubline, extensions end rescue EOFError end end ensure $. = saved_lineno end end @data ||= to_spec end private :data def raw_require_paths # :nodoc: data.require_paths end def missing_extensions? return false if default_gem? return false if extensions.empty? return false if File.exist? gem_build_complete_path to_spec.missing_extensions? end ## # Name of the gem def name data.name end ## # Platform of the gem def platform data.platform end ## # Extensions for this gem def extensions data.extensions end ## # Version of the gem def version data.version end def full_name data.full_name end ## # The full Gem::Specification for this gem, loaded from evalling its gemspec def to_spec @spec ||= if @data then loaded = Gem.loaded_specs[name] loaded if loaded && loaded.version == version end @spec ||= Gem::Specification.load(loaded_from) @spec.ignored = @ignored if @spec @spec end ## # Is this StubSpecification valid? i.e. have we found a stub line, OR does # the filename contain a valid gemspec? def valid? data end ## # Is there a stub line present for this StubSpecification? def stubbed? data.is_a? StubLine end end