# File lib/rubygems/platform.rb, line 16
16:   def self.local
17:     arch = Gem::ConfigMap[:arch]
18:     arch = "#{arch}_60" if arch =~ /mswin32$/
19:     @local ||= new(arch)
20:   end

    # File lib/rubygems/platform.rb, line 22
22:   def self.match(platform)
23:     Gem.platforms.any? do |local_platform|
24:       platform.nil? or local_platform == platform or
25:         (local_platform != Gem::Platform::RUBY and local_platform =~ platform)
26:     end
27:   end

    # File lib/rubygems/platform.rb, line 40
40:   def initialize(arch)
41:     case arch
42:     when Array then
43:       @cpu, @os, @version = arch
44:     when String then
45:       arch = arch.split '-'
46: 
47:       if arch.length > 2 and arch.last !~ /\d/ then # reassemble x86-linux-gnu
48:         extra = arch.pop
49:         arch.last << "-#{extra}"
50:       end
51: 
52:       cpu = arch.shift
53: 
54:       @cpu = case cpu
55:              when /i\d86/ then 'x86'
56:              else cpu
57:              end
58: 
59:       if arch.length == 2 and arch.last =~ /^\d+(\.\d+)?$/ then # for command-line
60:         @os, @version = arch
61:         return
62:       end
63: 
64:       os, = arch
65:       @cpu, os = nil, cpu if os.nil? # legacy jruby
66: 
67:       @os, @version = case os
68:                       when /aix(\d+)/ then             [ 'aix',       $1  ]
69:                       when /cygwin/ then               [ 'cygwin',    nil ]
70:                       when /darwin(\d+)?/ then         [ 'darwin',    $1  ]
71:                       when /^macruby$/ then            [ 'macruby',   nil ]
72:                       when /freebsd(\d+)/ then         [ 'freebsd',   $1  ]
73:                       when /hpux(\d+)/ then            [ 'hpux',      $1  ]
74:                       when /^java$/, /^jruby$/ then    [ 'java',      nil ]
75:                       when /^java([\d.]*)/ then        [ 'java',      $1  ]
76:                       when /^dotnet$/ then             [ 'dotnet',    nil ]
77:                       when /^dotnet([\d.]*)/ then      [ 'dotnet',    $1  ]
78:                       when /linux/ then                [ 'linux',     $1  ]
79:                       when /mingw32/ then              [ 'mingw32',   nil ]
80:                       when /(mswin\d+)(\_(\d+))?/ then
81:                         os, version = $1, $3
82:                         @cpu = 'x86' if @cpu.nil? and os =~ /32$/
83:                         [os, version]
84:                       when /netbsdelf/ then            [ 'netbsdelf', nil ]
85:                       when /openbsd(\d+\.\d+)/ then    [ 'openbsd',   $1  ]
86:                       when /solaris(\d+\.\d+)/ then    [ 'solaris',   $1  ]
87:                       # test
88:                       when /^(\w+_platform)(\d+)/ then [ $1,          $2  ]
89:                       else                             [ 'unknown',   nil ]
90:                       end
91:     when Gem::Platform then
92:       @cpu = arch.cpu
93:       @os = arch.os
94:       @version = arch.version
95:     else
96:       raise ArgumentError, "invalid argument #{arch.inspect}"
97:     end
98:   end

     # File lib/rubygems/platform.rb, line 120
120:   def ==(other)
121:     self.class === other and to_a == other.to_a
122:   end

     # File lib/rubygems/platform.rb, line 135
135:   def ===(other)
136:     return nil unless Gem::Platform === other
137: 
138:     # cpu
139:     (@cpu == 'universal' or other.cpu == 'universal' or @cpu == other.cpu) and
140: 
141:     # os
142:     @os == other.os and
143: 
144:     # version
145:     (@version.nil? or other.version.nil? or @version == other.version)
146:   end

     # File lib/rubygems/platform.rb, line 152
152:   def =~(other)
153:     case other
154:     when Gem::Platform then # nop
155:     when String then
156:       # This data is from http://gems.rubyforge.org/gems/yaml on 19 Aug 2007
157:       other = case other
158:               when /^i686-darwin(\d)/     then ['x86',       'darwin',  $1    ]
159:               when /^i\d86-linux/         then ['x86',       'linux',   nil   ]
160:               when 'java', 'jruby'        then [nil,         'java',    nil   ]
161:               when /dotnet(\-(\d+\.\d+))?/ then ['universal','dotnet',  $2    ]
162:               when /mswin32(\_(\d+))?/    then ['x86',       'mswin32', $2    ]
163:               when 'powerpc-darwin'       then ['powerpc',   'darwin',  nil   ]
164:               when /powerpc-darwin(\d)/   then ['powerpc',   'darwin',  $1    ]
165:               when /sparc-solaris2.8/     then ['sparc',     'solaris', '2.8' ]
166:               when /universal-darwin(\d)/ then ['universal', 'darwin',  $1    ]
167:               else                             other
168:               end
169: 
170:       other = Gem::Platform.new other
171:     else
172:       return nil
173:     end
174: 
175:     self === other
176:   end

     # File lib/rubygems/platform.rb, line 112
112:   def empty?
113:     to_s.empty?
114:   end

     # File lib/rubygems/platform.rb, line 100
100:   def inspect
101:     "#<%s:0x%x @cpu=%p, @os=%p, @version=%p>" % [self.class, object_id, *to_a]
102:   end

     # File lib/rubygems/platform.rb, line 104
104:   def to_a
105:     [@cpu, @os, @version]
106:   end

     # File lib/rubygems/platform.rb, line 108
108:   def to_s
109:     to_a.compact.join '-'
110:   end