| Current Path : /usr/share/rubygems/rubygems/ |
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| Current File : //usr/share/rubygems/rubygems/platform.rb |
require "rubygems/deprecate"
##
# Available list of platforms for targeting Gem installations.
class Gem::Platform
@local = nil
attr_accessor :cpu
attr_accessor :os
attr_accessor :version
def self.local
arch = Gem::ConfigMap[:arch]
arch = "#{arch}_60" if arch =~ /mswin32$/
@local ||= new(arch)
end
def self.match(platform)
Gem.platforms.any? do |local_platform|
platform.nil? or
local_platform == platform or
(local_platform != Gem::Platform::RUBY and local_platform =~ platform)
end
end
def self.new(arch) # :nodoc:
case arch
when Gem::Platform::CURRENT then
Gem::Platform.local
when Gem::Platform::RUBY, nil, '' then
Gem::Platform::RUBY
else
super
end
end
def initialize(arch)
case arch
when Array then
@cpu, @os, @version = arch
when String then
arch = arch.split '-'
if arch.length > 2 and arch.last !~ /\d/ then # reassemble x86-linux-gnu
extra = arch.pop
arch.last << "-#{extra}"
end
cpu = arch.shift
@cpu = case cpu
when /i\d86/ then 'x86'
else cpu
end
if arch.length == 2 and arch.last =~ /^\d+(\.\d+)?$/ 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', $1 ]
when /^macruby$/ then [ 'macruby', nil ]
when /freebsd(\d+)?/ then [ 'freebsd', $1 ]
when /hpux(\d+)?/ then [ 'hpux', $1 ]
when /^java$/, /^jruby$/ then [ 'java', nil ]
when /^java([\d.]*)/ then [ 'java', $1 ]
when /^dalvik(\d+)?$/ then [ 'dalvik', $1 ]
when /^dotnet$/ then [ 'dotnet', nil ]
when /^dotnet([\d.]*)/ then [ 'dotnet', $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 Gem::Platform then
@cpu = arch.cpu
@os = arch.os
@version = arch.version
else
raise ArgumentError, "invalid argument #{arch.inspect}"
end
end
def inspect
"#<%s:0x%x @cpu=%p, @os=%p, @version=%p>" % [self.class, object_id, *to_a]
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 and 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 has no version.
def ===(other)
return nil unless Gem::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
##
# 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 '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