# File lib/rubygems/platform.rb, line 14
14:   def self.local
15:     arch = Gem::ConfigMap[:arch]
16:     arch = "#{arch}_60" if arch =~ /mswin32$/
17:     @local ||= new(arch)
18:   end

    # File lib/rubygems/platform.rb, line 20
20:   def self.match(platform)
21:     Gem.platforms.any? do |local_platform|
22:       platform.nil? or local_platform == platform or
23:         (local_platform != Gem::Platform::RUBY and local_platform =~ platform)
24:     end
25:   end

    # File lib/rubygems/platform.rb, line 38
38:   def initialize(arch)
39:     case arch
40:     when Array then
41:       @cpu, @os, @version = arch
42:     when String then
43:       arch = arch.split '-'
44: 
45:       if arch.length > 2 and arch.last !~ /\d/ then # reassemble x86-linux-gnu
46:         extra = arch.pop
47:         arch.last << "-#{extra}"
48:       end
49: 
50:       cpu = arch.shift
51: 
52:       @cpu = case cpu
53:              when /i\d86/ then 'x86'
54:              else cpu
55:              end
56: 
57:       if arch.length == 2 and arch.last =~ /^\d+(\.\d+)?$/ then # for command-line
58:         @os, @version = arch
59:         return
60:       end
61: 
62:       os, = arch
63:       @cpu, os = nil, cpu if os.nil? # legacy jruby
64: 
65:       @os, @version = case os
66:                       when /aix(\d+)/ then             [ 'aix',       $1  ]
67:                       when /cygwin/ then               [ 'cygwin',    nil ]
68:                       when /darwin(\d+)?/ then         [ 'darwin',    $1  ]
69:                       when /freebsd(\d+)/ then         [ 'freebsd',   $1  ]
70:                       when /hpux(\d+)/ then            [ 'hpux',      $1  ]
71:                       when /^java$/, /^jruby$/ then    [ 'java',      nil ]
72:                       when /^java([\d.]*)/ then        [ 'java',      $1  ]
73:                       when /^dotnet$/ then             [ 'dotnet',    nil ]                       
74:                       when /^dotnet([\d.]*)/ then      [ 'dotnet',    $1  ]
75:                       when /linux/ then                [ 'linux',     $1  ]
76:                       when /mingw32/ then              [ 'mingw32',   nil ]
77:                       when /(mswin\d+)(\_(\d+))?/ then
78:                         os, version = $1, $3
79:                         @cpu = 'x86' if @cpu.nil? and os =~ /32$/
80:                         [os, version]
81:                       when /netbsdelf/ then            [ 'netbsdelf', nil ]
82:                       when /openbsd(\d+\.\d+)/ then    [ 'openbsd',   $1  ]
83:                       when /solaris(\d+\.\d+)/ then    [ 'solaris',   $1  ]
84:                       # test
85:                       when /^(\w+_platform)(\d+)/ then [ $1,          $2  ]
86:                       else                             [ 'unknown',   nil ]
87:                       end
88:     when Gem::Platform then
89:       @cpu = arch.cpu
90:       @os = arch.os
91:       @version = arch.version
92:     else
93:       raise ArgumentError, "invalid argument #{arch.inspect}"
94:     end
95:   end

     # File lib/rubygems/platform.rb, line 117
117:   def ==(other)
118:     self.class === other and
119:       @cpu == other.cpu and @os == other.os and @version == other.version
120:   end

     # File lib/rubygems/platform.rb, line 127
127:   def ===(other)
128:     return nil unless Gem::Platform === other
129: 
130:     # cpu
131:     (@cpu == 'universal' or other.cpu == 'universal' or @cpu == other.cpu) and
132: 
133:     # os
134:     @os == other.os and
135: 
136:     # version
137:     (@version.nil? or other.version.nil? or @version == other.version)
138:   end

     # File lib/rubygems/platform.rb, line 144
144:   def =~(other)
145:     case other
146:     when Gem::Platform then # nop
147:     when String then
148:       # This data is from http://gems.rubyforge.org/gems/yaml on 19 Aug 2007
149:       other = case other
150:               when /^i686-darwin(\d)/     then ['x86',       'darwin',  $1    ]
151:               when /^i\d86-linux/         then ['x86',       'linux',   nil   ]
152:               when 'java', 'jruby'        then [nil,         'java',    nil   ]
153:               when /dotnet(\-(\d+\.\d+))?/ then ['universal','dotnet',  $2    ]
154:               when /mswin32(\_(\d+))?/    then ['x86',       'mswin32', $2    ]
155:               when 'powerpc-darwin'       then ['powerpc',   'darwin',  nil   ]
156:               when /powerpc-darwin(\d)/   then ['powerpc',   'darwin',  $1    ]
157:               when /sparc-solaris2.8/     then ['sparc',     'solaris', '2.8' ]
158:               when /universal-darwin(\d)/ then ['universal', 'darwin',  $1    ]
159:               else                             other
160:               end
161: 
162:       other = Gem::Platform.new other
163:     else
164:       return nil
165:     end
166: 
167:     self === other
168:   end

     # File lib/rubygems/platform.rb, line 109
109:   def empty?
110:     to_s.empty?
111:   end

    # File lib/rubygems/platform.rb, line 97
97:   def inspect
98:     "#<%s:0x%x @cpu=%p, @os=%p, @version=%p>" % [self.class, object_id, *to_a]
99:   end

     # File lib/rubygems/platform.rb, line 101
101:   def to_a
102:     [@cpu, @os, @version]
103:   end

     # File lib/rubygems/platform.rb, line 105
105:   def to_s
106:     to_a.compact.join '-'
107:   end