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commands	[ DIR ]	drwxr-xr-x
core_ext	[ DIR ]	drwxr-xr-x
defaults	[ DIR ]	drwxr-xr-x
ext	[ DIR ]	drwxr-xr-x
gemcutter_utilities	[ DIR ]	drwxr-xr-x
package	[ DIR ]	drwxr-xr-x
request	[ DIR ]	drwxr-xr-x
request_set	[ DIR ]	drwxr-xr-x
resolver	[ DIR ]	drwxr-xr-x
safe_marshal	[ DIR ]	drwxr-xr-x
security	[ DIR ]	drwxr-xr-x
source	[ DIR ]	drwxr-xr-x
ssl_certs	[ DIR ]	drwxr-xr-x
util	[ DIR ]	drwxr-xr-x
vendor	[ DIR ]	drwxr-xr-x
available_set.rb	3 KB	-rw-r--r--
basic_specification.rb	8.17 KB	-rw-r--r--
bundler_version_finder.rb	1.96 KB	-rw-r--r--
ci_detector.rb	3.71 KB	-rw-r--r--
command.rb	15.97 KB	-rw-r--r--
command_manager.rb	5.64 KB	-rw-r--r--
compatibility.rb	1022 B	-rw-r--r--
config_file.rb	15.79 KB	-rw-r--r--
defaults.rb	7.35 KB	-rw-r--r--
dependency.rb	8.45 KB	-rw-r--r--
dependency_installer.rb	9.91 KB	-rw-r--r--
dependency_list.rb	5.55 KB	-rw-r--r--
deprecate.rb	5.04 KB	-rw-r--r--
doctor.rb	3.13 KB	-rw-r--r--
errors.rb	4.53 KB	-rw-r--r--
exceptions.rb	7.33 KB	-rw-r--r--
ext.rb	498 B	-rw-r--r--
gem_runner.rb	1.89 KB	-rw-r--r--
gemcutter_utilities.rb	11.17 KB	-rw-r--r--
gemspec_helpers.rb	394 B	-rw-r--r--
install_default_message.rb	349 B	-rw-r--r--
install_message.rb	323 B	-rw-r--r--
install_update_options.rb	6.39 KB	-rw-r--r--
installer.rb	27.68 KB	-rw-r--r--
installer_uninstaller_utils.rb	771 B	-rw-r--r--
local_remote_options.rb	3.61 KB	-rw-r--r--
name_tuple.rb	2.38 KB	-rw-r--r--
openssl.rb	125 B	-rw-r--r--
package.rb	18.83 KB	-rw-r--r--
package_task.rb	3.79 KB	-rw-r--r--
path_support.rb	1.77 KB	-rw-r--r--
platform.rb	8.35 KB	-rw-r--r--
psych_tree.rb	795 B	-rw-r--r--
query_utils.rb	8.5 KB	-rw-r--r--
rdoc.rb	232 B	-rw-r--r--
remote_fetcher.rb	9.38 KB	-rw-r--r--
request.rb	8.7 KB	-rw-r--r--
request_set.rb	11.29 KB	-rw-r--r--
requirement.rb	7 KB	-rw-r--r--
resolver.rb	9.44 KB	-rw-r--r--
s3_uri_signer.rb	5.96 KB	-rw-r--r--
safe_marshal.rb	1.92 KB	-rw-r--r--
safe_yaml.rb	1.04 KB	-rw-r--r--
security.rb	21.69 KB	-rw-r--r--
security_option.rb	1.06 KB	-rw-r--r--
shellwords.rb	66 B	-rw-r--r--
source.rb	5.78 KB	-rw-r--r--
source_list.rb	2.42 KB	-rw-r--r--
spec_fetcher.rb	6.16 KB	-rw-r--r--
specification.rb	69.1 KB	-rw-r--r--
specification_policy.rb	15.59 KB	-rw-r--r--
specification_record.rb	5.21 KB	-rw-r--r--
stub_specification.rb	4.96 KB	-rw-r--r--
text.rb	2.06 KB	-rw-r--r--
uninstaller.rb	10.94 KB	-rw-r--r--
unknown_command_spell_checker....	411 B	-rw-r--r--
update_suggestion.rb	1.85 KB	-rw-r--r--
uri.rb	2.38 KB	-rw-r--r--
uri_formatter.rb	784 B	-rw-r--r--
user_interaction.rb	13.1 KB	-rw-r--r--
util.rb	2.46 KB	-rw-r--r--
validator.rb	3.63 KB	-rw-r--r--
vendored_molinillo.rb	81 B	-rw-r--r--
vendored_net_http.rb	233 B	-rw-r--r--
vendored_optparse.rb	79 B	-rw-r--r--
vendored_securerandom.rb	111 B	-rw-r--r--
vendored_timeout.rb	228 B	-rw-r--r--
vendored_tsort.rb	73 B	-rw-r--r--
version.rb	12.98 KB	-rw-r--r--
version_option.rb	2.17 KB	-rw-r--r--
yaml_serializer.rb	2.42 KB	-rw-r--r--

Code Editor : dependency.rb

# frozen_string_literal: true

##
# The Dependency class holds a Gem name and a Gem::Requirement.

class Gem::Dependency
  ##
  # Valid dependency types.
  #--
  # When this list is updated, be sure to change
  # Gem::Specification::CURRENT_SPECIFICATION_VERSION as well.
  #
  # REFACTOR: This type of constant, TYPES, indicates we might want
  # two classes, used via inheritance or duck typing.

TYPES = [
    :development,
    :runtime,
  ].freeze

##
  # Dependency name or regular expression.

attr_accessor :name

##
  # Allows you to force this dependency to be a prerelease.

attr_writer :prerelease

##
  # Constructs a dependency with +name+ and +requirements+. The last
  # argument can optionally be the dependency type, which defaults to
  # <tt>:runtime</tt>.

def initialize(name, *requirements)
    case name
    when String then # ok
    when Regexp then
      msg = ["NOTE: Dependency.new w/ a regexp is deprecated.",
             "Dependency.new called from #{Gem.location_of_caller.join(":")}"]
      warn msg.join("\n") unless Gem::Deprecate.skip
    else
      raise ArgumentError,
            "dependency name must be a String, was #{name.inspect}"
    end

type         = Symbol === requirements.last ? requirements.pop : :runtime
    requirements = requirements.first if requirements.length == 1 # unpack

unless TYPES.include? type
      raise ArgumentError, "Valid types are #{TYPES.inspect}, " \
                           "not #{type.inspect}"
    end

@name        = name
    @requirement = Gem::Requirement.create requirements
    @type        = type
    @prerelease  = false

# This is for Marshal backwards compatibility. See the comments in
    # +requirement+ for the dirty details.

@version_requirements = @requirement
  end

##
  # A dependency's hash is the XOR of the hashes of +name+, +type+,
  # and +requirement+.

def hash # :nodoc:
    name.hash ^ type.hash ^ requirement.hash
  end

def inspect # :nodoc:
    if prerelease?
      format("<%s type=%p name=%p requirements=%p prerelease=ok>", self.class, type, name, requirement.to_s)
    else
      format("<%s type=%p name=%p requirements=%p>", self.class, type, name, requirement.to_s)
    end
  end

##
  # Does this dependency require a prerelease?

def prerelease?
    @prerelease || requirement.prerelease?
  end

##
  # Is this dependency simply asking for the latest version
  # of a gem?

def latest_version?
    @requirement.none?
  end

def pretty_print(q) # :nodoc:
    q.group 1, "Gem::Dependency.new(", ")" do
      q.pp name
      q.text ","
      q.breakable

q.pp requirement

q.text ","
      q.breakable

q.pp type
    end
  end

##
  # What does this dependency require?

def requirement
    return @requirement if defined?(@requirement) && @requirement

# @version_requirements and @version_requirement are legacy ivar
    # names, and supported here because older gems need to keep
    # working and Dependency doesn't implement marshal_dump and
    # marshal_load. In a happier world, this would be an
    # attr_accessor. The horrifying instance_variable_get you see
    # below is also the legacy of some old restructurings.
    #
    # Note also that because of backwards compatibility (loading new
    # gems in an old RubyGems installation), we can't add explicit
    # marshaling to this class until we want to make a big
    # break. Maybe 2.0.
    #
    # Children, define explicit marshal and unmarshal behavior for
    # public classes. Marshal formats are part of your public API.

# REFACTOR: See above

if defined?(@version_requirement) && @version_requirement
      version = @version_requirement.instance_variable_get :@version
      @version_requirement = nil
      @version_requirements = Gem::Requirement.new version
    end

@requirement = @version_requirements if defined?(@version_requirements)
  end

def requirements_list
    requirement.as_list
  end

def to_s # :nodoc:
    if type != :runtime
      "#{name} (#{requirement}, #{type})"
    else
      "#{name} (#{requirement})"
    end
  end

##
  # Dependency type.

def type
    @type ||= :runtime
  end

def runtime?
    @type == :runtime || !@type
  end

def ==(other) # :nodoc:
    Gem::Dependency === other &&
      name        == other.name &&
      type        == other.type &&
      requirement == other.requirement
  end

##
  # Dependencies are ordered by name.

def <=>(other)
    name <=> other.name
  end

##
  # Uses this dependency as a pattern to compare to +other+. This
  # dependency will match if the name matches the other's name, and
  # other has only an equal version requirement that satisfies this
  # dependency.

def =~(other)
    unless Gem::Dependency === other
      return unless other.respond_to?(:name) && other.respond_to?(:version)
      other = Gem::Dependency.new other.name, other.version
    end

return false unless name === other.name

reqs = other.requirement.requirements

return false unless reqs.length == 1
    return false unless reqs.first.first == "="

version = reqs.first.last

requirement.satisfied_by? version
  end

alias_method :===, :=~

##
  # :call-seq:
  #   dep.match? name          => true or false
  #   dep.match? name, version => true or false
  #   dep.match? spec          => true or false
  #
  # Does this dependency match the specification described by +name+ and
  # +version+ or match +spec+?
  #
  # NOTE:  Unlike #matches_spec? this method does not return true when the
  # version is a prerelease version unless this is a prerelease dependency.

def match?(obj, version=nil, allow_prerelease=false)
    if !version
      name = obj.name
      version = obj.version
    else
      name = obj
    end

return false unless self.name === name

version = Gem::Version.new version

return true if requirement.none? && !version.prerelease?
    return false if version.prerelease? &&
                    !allow_prerelease &&
                    !prerelease?

requirement.satisfied_by? version
  end

##
  # Does this dependency match +spec+?
  #
  # NOTE:  This is not a convenience method.  Unlike #match? this method
  # returns true when +spec+ is a prerelease version even if this dependency
  # is not a prerelease dependency.

def matches_spec?(spec)
    return false unless name === spec.name
    return true  if requirement.none?

requirement.satisfied_by?(spec.version)
  end

##
  # Merges the requirements of +other+ into this dependency

def merge(other)
    unless name == other.name
      raise ArgumentError,
            "#{self} and #{other} have different names"
    end

default = Gem::Requirement.default
    self_req = requirement
    other_req = other.requirement

return self.class.new name, self_req  if other_req == default
    return self.class.new name, other_req if self_req  == default

self.class.new name, self_req.as_list.concat(other_req.as_list)
  end

def matching_specs(platform_only = false)
    matches = Gem::Specification.find_all_by_name(name, requirement)

if platform_only
      matches.reject! do |spec|
        spec.nil? || !Gem::Platform.match_spec?(spec)
      end
    end

matches.reject(&:ignored?)
  end

##
  # True if the dependency will not always match the latest version.

def specific?
    @requirement.specific?
  end

def to_specs
    matches = matching_specs true

# TODO: check Gem.activated_spec[self.name] in case matches falls outside

if matches.empty?
      specs = Gem::Specification.stubs_for name

if specs.empty?
        raise Gem::MissingSpecError.new name, requirement
      else
        raise Gem::MissingSpecVersionError.new name, requirement, specs
      end
    end

# TODO: any other resolver validations should go here

matches
  end

def to_spec
    matches = to_specs.compact

active = matches.find(&:activated?)
    return active if active

unless prerelease?
      # Consider prereleases only as a fallback
      pre, matches = matches.partition {|spec| spec.version.prerelease? }
      matches = pre if matches.empty?
    end

matches.first
  end

def identity
    if prerelease?
      if specific?
        :complete
      else
        :abs_latest
      end
    elsif latest_version?
      :latest
    else
      :released
    end
  end

def encode_with(coder) # :nodoc:
    coder.add "name", @name
    coder.add "requirement", @requirement
    coder.add "type", @type
    coder.add "prerelease", @prerelease
    coder.add "version_requirements", @version_requirements
  end
end

${this.title}

Code Editor : dependency.rb