class Platform
Platform class
Original version from RubyGems, Copyright © 2007 Eric Hodel
Constants
- CURRENT
A platform-specific gem that is built for the packaging ruby's platform. This will be replaced with Gem::Platform::local.
- RUBY
A pure-ruby gem that may use Gem::Specification#extensions to build binary files.
Attributes
cpu[RW]
os[RW]
version[RW]
Public Class Methods
local()
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# File lib/standard/facets/platform.rb, line 58 def self.local arch = RbConfig::CONFIG['arch'] arch = "#{arch}_60" if arch =~ /mswin32$/ @local ||= new(arch) end
match(platform)
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# File lib/standard/facets/platform.rb, line 65 def self.match(platform) supported.any? do |local_platform| platform.nil? or local_platform == platform or (local_platform != Platform::RUBY and local_platform =~ platform) end end
new(arch)
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# File lib/standard/facets/platform.rb, line 85 def initialize(arch) case arch when Array then @cpu, @os, @version = arch when String then arch = arch.split '-' if arch.length > 2 and arch.last !~ /\d/ then # reassemble x86-linux-gnu extra = arch.pop arch.last << "-#{extra}" end cpu = arch.shift @cpu = case cpu when /i\d86/ then 'x86' else cpu end if arch.length == 2 and arch.last =~ /^\d+$/ then # 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 /freebsd(\d+)/ then [ 'freebsd', $1 ] when /hpux(\d+)/ then [ 'hpux', $1 ] when /^java$/, /^jruby$/ then [ 'java', nil ] when /^java([\d.]*)/ then [ 'java', $1 ] when /linux/ then [ 'linux', $1 ] when /mingw32/ then [ 'mingw32', nil ] when /(mswin\d+)(\_(\d+))?/ then os, version = $1, $3 @cpu = 'x86' if @cpu.nil? and os =~ /32$/ [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 Platform then @cpu = arch.cpu @os = arch.os @version = arch.version else raise ArgumentError, "invalid argument #{arch.inspect}" end end
supported()
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Array of supported platforms (ie. pure-Ruby and local platform).
# File lib/standard/facets/platform.rb, line 45 def self.supported @suported ||= [Platform::RUBY, Platform.local] end
Public Instance Methods
==(other)
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# File lib/standard/facets/platform.rb, line 158 def ==(other) self.class === other and @cpu == other.cpu and @os == other.os and @version == other.version end
===(other)
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# File lib/standard/facets/platform.rb, line 164 def ===(other) return nil unless Platform === other # cpu (@cpu == 'universal' or other.cpu == 'universal' or @cpu == other.cpu) and # os @os == other.os and # version (@version.nil? or other.version.nil? or @version == other.version) end
=~(other)
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# File lib/standard/facets/platform.rb, line 178 def =~(other) case other when 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 /mswin32(\_(\d+))?/ then ['x86', 'mswin32', $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 = Platform.new other else return nil end self === other end
big_endian?()
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# File lib/standard/facets/platform.rb, line 229 def big_endian? byte_order == :big end
bsd?()
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# File lib/standard/facets/platform.rb, line 299 def bsd? host_os =~ /bsd/ end
byte_order()
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Byte order of CPU. Determine byte order of underlying machine.
Examines the byte order of the underlying machine. Returns
:big
if Big Endian and :little
if Little Endian.
TODO: This doesn't work well apearently. We need to use a chart for possible cpus instead, maybe.
# File lib/standard/facets/platform.rb, line 212 def byte_order if [0x12345678].pack("L") == "\x12\x34\x56\x78" :big else :little end end
Also aliased as: byteorder
cardinal?()
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# File lib/standard/facets/platform.rb, line 278 def cardinal? 'cardinal' === interpreter end
host_os()
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O P E R A T I N G S Y S T E M
# File lib/standard/facets/platform.rb, line 287 def host_os RbConfig::CONFIG['host_os'] end
inspect()
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# File lib/standard/facets/platform.rb, line 143 def inspect "#<%s:0x%x @cpu=%p, @os=%p, @version=%p>" % [self.class, object_id, *to_a] end
interpreter()
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Return the name of the ruby interpreter.
# File lib/standard/facets/platform.rb, line 236 def interpreter @interpreter ||= ( if RUBY_PLATFORM == 'parrot' 'cardinal' elsif RUBY_ENGINE == 'ruby' if RUBY_DESCRIPTION =~ /Enterprise/i 'ree' else 'mri' end else RUBY_ENGINE.to_s # jruby, rbx, ironruby, macruby, etc. end ) end
ironruby?()
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# File lib/standard/facets/platform.rb, line 273 def ironruby? 'ironruby' === interpreter end
Also aliased as: iron_ruby?
jruby?()
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# File lib/standard/facets/platform.rb, line 258 def jruby? 'jruby' === interpreter end
Also aliased as: java?
linux?()
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# File lib/standard/facets/platform.rb, line 291 def linux? host_os =~ /linux|cygwin/ end
little_endian?()
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# File lib/standard/facets/platform.rb, line 224 def little_endian? byte_order == :little end
mac?()
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# File lib/standard/facets/platform.rb, line 295 def mac? host_os =~ /mac|darwin/ end
mri?()
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# File lib/standard/facets/platform.rb, line 252 def mri? 'mri' === interpreter end
Also aliased as: official_ruby?, ruby?
posix?()
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# File lib/standard/facets/platform.rb, line 317 def posix? linux? or mac? or bsd? or solaris? or begin fork do end true rescue NotImplementedError, NoMethodError false end end
ree?()
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# File lib/standard/facets/platform.rb, line 268 def ree? 'ree' === interpreter end
Also aliased as: enterprise?
rubinius?()
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# File lib/standard/facets/platform.rb, line 263 def rubinius? 'rbx' === interpreter end
Also aliased as: rbx?
solaris?()
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# File lib/standard/facets/platform.rb, line 307 def solaris? host_os =~ /solaris|sunos/ end
symbian?()
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TODO: who knows what symbian returns?
# File lib/standard/facets/platform.rb, line 312 def symbian? host_os =~ /symbian/ end
to_a()
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# File lib/standard/facets/platform.rb, line 148 def to_a [@cpu, @os, @version] end
to_s()
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# File lib/standard/facets/platform.rb, line 153 def to_s to_a.compact.join '-' end
windows?()
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# File lib/standard/facets/platform.rb, line 303 def windows? host_os =~ /mswin|mingw/ end