# 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 /freebsd(\d+)/ then         [ 'freebsd',   $1  ]
72:                       when /hpux(\d+)/ then            [ 'hpux',      $1  ]
73:                       when /^java$/, /^jruby$/ then    [ 'java',      nil ]
74:                       when /^java([\d.]*)/ then        [ 'java',      $1  ]
75:                       when /^dotnet$/ then             [ 'dotnet',    nil ]
76:                       when /^dotnet([\d.]*)/ then      [ 'dotnet',    $1  ]
77:                       when /linux/ then                [ 'linux',     $1  ]
78:                       when /mingw32/ then              [ 'mingw32',   nil ]
79:                       when /(mswin\d+)(\_(\d+))?/ then
80:                         os, version = $1, $3
81:                         @cpu = 'x86' if @cpu.nil? and os =~ /32$/
82:                         [os, version]
83:                       when /netbsdelf/ then            [ 'netbsdelf', nil ]
84:                       when /openbsd(\d+\.\d+)/ then    [ 'openbsd',   $1  ]
85:                       when /solaris(\d+\.\d+)/ then    [ 'solaris',   $1  ]
86:                       # test
87:                       when /^(\w+_platform)(\d+)/ then [ $1,          $2  ]
88:                       else                             [ 'unknown',   nil ]
89:                       end
90:     when Gem::Platform then
91:       @cpu = arch.cpu
92:       @os = arch.os
93:       @version = arch.version
94:     else
95:       raise ArgumentError, "invalid argument #{arch.inspect}"
96:     end
97:   end

     # File lib/rubygems/platform.rb, line 119
119:   def ==(other)
120:     self.class === other and to_a == other.to_a
121:   end

     # File lib/rubygems/platform.rb, line 134
134:   def ===(other)
135:     return nil unless Gem::Platform === other
136: 
137:     # cpu
138:     (@cpu == 'universal' or other.cpu == 'universal' or @cpu == other.cpu) and
139: 
140:     # os
141:     @os == other.os and
142: 
143:     # version
144:     (@version.nil? or other.version.nil? or @version == other.version)
145:   end

     # File lib/rubygems/platform.rb, line 151
151:   def =~(other)
152:     case other
153:     when Gem::Platform then # nop
154:     when String then
155:       # This data is from http://gems.rubyforge.org/gems/yaml on 19 Aug 2007
156:       other = case other
157:               when /^i686-darwin(\d)/     then ['x86',       'darwin',  $1    ]
158:               when /^i\d86-linux/         then ['x86',       'linux',   nil   ]
159:               when 'java', 'jruby'        then [nil,         'java',    nil   ]
160:               when /dotnet(\-(\d+\.\d+))?/ then ['universal','dotnet',  $2    ]
161:               when /mswin32(\_(\d+))?/    then ['x86',       'mswin32', $2    ]
162:               when 'powerpc-darwin'       then ['powerpc',   'darwin',  nil   ]
163:               when /powerpc-darwin(\d)/   then ['powerpc',   'darwin',  $1    ]
164:               when /sparc-solaris2.8/     then ['sparc',     'solaris', '2.8' ]
165:               when /universal-darwin(\d)/ then ['universal', 'darwin',  $1    ]
166:               else                             other
167:               end
168: 
169:       other = Gem::Platform.new other
170:     else
171:       return nil
172:     end
173: 
174:     self === other
175:   end

     # File lib/rubygems/platform.rb, line 111
111:   def empty?
112:     to_s.empty?
113:   end

     # File lib/rubygems/platform.rb, line 99
 99:   def inspect
100:     "#<%s:0x%x @cpu=%p, @os=%p, @version=%p>" % [self.class, object_id, *to_a]
101:   end

     # File lib/rubygems/platform.rb, line 103
103:   def to_a
104:     [@cpu, @os, @version]
105:   end

     # File lib/rubygems/platform.rb, line 107
107:   def to_s
108:     to_a.compact.join '-'
109:   end