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# frozen_string_literal: true
require_relative "deprecate"
##
# Available list of platforms for targeting Gem installations.
#
# See `gem help platform` for information on platform matching.
class Gem::Platform
@local = nil
attr_accessor :cpu, :os, :version
def self.local
arch = RbConfig::CONFIG["arch"]
arch = "#{arch}_60" if arch =~ /mswin(?:32|64)$/
@local ||= new(arch)
end
def self.match(platform)
match_platforms?(platform, Gem.platforms)
end
def self.match_platforms?(platform, platforms)
platform = Gem::Platform.new(platform) unless platform.is_a?(Gem::Platform)
platforms.any? do |local_platform|
platform.nil? ||
local_platform == platform ||
(local_platform != Gem::Platform::RUBY && platform =~ local_platform)
end
end
private_class_method :match_platforms?
def self.match_spec?(spec)
match_gem?(spec.platform, spec.name)
end
def self.match_gem?(platform, gem_name)
# Note: this method might be redefined by Ruby implementations to
# customize behavior per RUBY_ENGINE, gem_name or other criteria.
match_platforms?(platform, Gem.platforms)
end
def self.sort_priority(platform)
platform == Gem::Platform::RUBY ? -1 : 1
end
def self.installable?(spec)
if spec.respond_to? :installable_platform?
spec.installable_platform?
else
match_spec? spec
end
end
def self.new(arch) # :nodoc:
case arch
when Gem::Platform::CURRENT then
Gem::Platform.local
when Gem::Platform::RUBY, nil, "" then
Gem::Platform::RUBY
else
super
end
end
def initialize(arch)
case arch
when Array then
@cpu, @os, @version = arch
when String then
arch = arch.split "-"
if arch.length > 2 && arch.last !~ /\d+(\.\d+)?$/ # reassemble x86-linux-{libc}
extra = arch.pop
arch.last << "-#{extra}"
end
cpu = arch.shift
@cpu = case cpu
when /i\d86/ then "x86"
else cpu
end
if arch.length == 2 && arch.last =~ /^\d+(\.\d+)?$/ # for command-line
@os, @version = arch
return
end
os, = arch
@cpu, os = nil, cpu if os.nil? # legacy jruby
@os, @version = case os
when /aix(\d+)?/ then [ "aix", $1 ]
when /cygwin/ then [ "cygwin", nil ]
when /darwin(\d+)?/ then [ "darwin", $1 ]
when /^macruby$/ then [ "macruby", nil ]
when /freebsd(\d+)?/ then [ "freebsd", $1 ]
when /^java$/, /^jruby$/ then [ "java", nil ]
when /^java([\d.]*)/ then [ "java", $1 ]
when /^dalvik(\d+)?$/ then [ "dalvik", $1 ]
when /^dotnet$/ then [ "dotnet", nil ]
when /^dotnet([\d.]*)/ then [ "dotnet", $1 ]
when /linux-?(\w+)?/ then [ "linux", $1 ]
when /mingw32/ then [ "mingw32", nil ]
when /mingw-?(\w+)?/ then [ "mingw", $1 ]
when /(mswin\d+)(\_(\d+))?/ then
os, version = $1, $3
@cpu = "x86" if @cpu.nil? && os =~ /32$/
[os, version]
when /netbsdelf/ then [ "netbsdelf", nil ]
when /openbsd(\d+\.\d+)?/ then [ "openbsd", $1 ]
when /solaris(\d+\.\d+)?/ then [ "solaris", $1 ]
# test
when /^(\w+_platform)(\d+)?/ then [ $1, $2 ]
else [ "unknown", nil ]
end
when Gem::Platform then
@cpu = arch.cpu
@os = arch.os
@version = arch.version
else
raise ArgumentError, "invalid argument #{arch.inspect}"
end
end
def to_a
[@cpu, @os, @version]
end
def to_s
to_a.compact.join "-"
end
##
# Is +other+ equal to this platform? Two platforms are equal if they have
# the same CPU, OS and version.
def ==(other)
self.class === other && to_a == other.to_a
end
alias :eql? :==
def hash # :nodoc:
to_a.hash
end
##
# Does +other+ match this platform? Two platforms match if they have the
# same CPU, or either has a CPU of 'universal', they have the same OS, and
# they have the same version, or either one has no version
#
# Additionally, the platform will match if the local CPU is 'arm' and the
# other CPU starts with "arm" (for generic ARM family support).
#
# Of note, this method is not commutative. Indeed the OS 'linux' has a
# special case: the version is the libc name, yet while "no version" stands
# as a wildcard for a binary gem platform (as for other OSes), for the
# runtime platform "no version" stands for 'gnu'. To be able to distinguish
# these, the method receiver is the gem platform, while the argument is
# the runtime platform.
#
#--
# NOTE: Until it can be removed, changes to this method must also be reflected in `bundler/lib/bundler/rubygems_ext.rb`
def ===(other)
return nil unless Gem::Platform === other
# universal-mingw32 matches x64-mingw-ucrt
return true if (@cpu == "universal" || other.cpu == "universal") &&
@os.start_with?("mingw") && other.os.start_with?("mingw")
# cpu
([nil,"universal"].include?(@cpu) || [nil, "universal"].include?(other.cpu) || @cpu == other.cpu ||
(@cpu == "arm" && other.cpu.start_with?("arm"))) &&
# os
@os == other.os &&
# version
(
(@os != "linux" && (@version.nil? || other.version.nil?)) ||
(@os == "linux" && (normalized_linux_version == other.normalized_linux_version || ["musl#{@version}", "musleabi#{@version}", "musleabihf#{@version}"].include?(other.version))) ||
@version == other.version
)
end
#--
# NOTE: Until it can be removed, changes to this method must also be reflected in `bundler/lib/bundler/rubygems_ext.rb`
def normalized_linux_version
return nil unless @version
without_gnu_nor_abi_modifiers = @version.sub(/\Agnu/, "").sub(/eabi(hf)?\Z/, "")
return nil if without_gnu_nor_abi_modifiers.empty?
without_gnu_nor_abi_modifiers
end
##
# Does +other+ match this platform? If +other+ is a String it will be
# converted to a Gem::Platform first. See #=== for matching rules.
def =~(other)
case other
when Gem::Platform then # nop
when String then
# This data is from http://gems.rubyforge.org/gems/yaml on 19 Aug 2007
other = case other
when /^i686-darwin(\d)/ then ["x86", "darwin", $1 ]
when /^i\d86-linux/ then ["x86", "linux", nil ]
when "java", "jruby" then [nil, "java", nil ]
when /^dalvik(\d+)?$/ then [nil, "dalvik", $1 ]
when /dotnet(\-(\d+\.\d+))?/ then ["universal","dotnet", $2 ]
when /mswin32(\_(\d+))?/ then ["x86", "mswin32", $2 ]
when /mswin64(\_(\d+))?/ then ["x64", "mswin64", $2 ]
when "powerpc-darwin" then ["powerpc", "darwin", nil ]
when /powerpc-darwin(\d)/ then ["powerpc", "darwin", $1 ]
when /sparc-solaris2.8/ then ["sparc", "solaris", "2.8" ]
when /universal-darwin(\d)/ then ["universal", "darwin", $1 ]
else other
end
other = Gem::Platform.new other
else
return nil
end
self === other
end
##
# A pure-Ruby gem that may use Gem::Specification#extensions to build
# binary files.
RUBY = "ruby"
##
# A platform-specific gem that is built for the packaging Ruby's platform.
# This will be replaced with Gem::Platform::local.
CURRENT = "current"
end