module Selenium::WebDriver::Platform

# File lib/selenium/webdriver/common/platform.rb, line 131
def assert_executable(path)
  assert_file(path)

  return if File.executable? path
  raise Error::WebDriverError, "not executable: #{path.inspect}"
end

# File lib/selenium/webdriver/common/platform.rb, line 126
def assert_file(path)
  return if File.file? path
  raise Error::WebDriverError, "not a file: #{path.inspect}"
end

# File lib/selenium/webdriver/common/platform.rb, line 57
def bitsize
  @bitsize ||= if defined?(FFI::Platform::ADDRESS_SIZE)
                 FFI::Platform::ADDRESS_SIZE
               elsif defined?(FFI)
                 FFI.type_size(:pointer) == 4 ? 32 : 64
               elsif jruby?
                 Integer(ENV_JAVA['sun.arch.data.model'])
               else
                 1.size == 4 ? 32 : 64
               end
end

# File lib/selenium/webdriver/common/platform.rb, line 52
def ci
  return :travis if ENV['TRAVIS']
  :jenkins if ENV['JENKINS']
end

# File lib/selenium/webdriver/common/platform.rb, line 98
def cygwin?
  RUBY_PLATFORM =~ /cygwin/
  !Regexp.last_match.nil?
end

# File lib/selenium/webdriver/common/platform.rb, line 115
def cygwin_path(path, opts = {})
  flags = []
  opts.each { |k, v| flags << "--#{k}" if v }

  `cygpath #{flags.join ' '} "#{path}"`.strip
end

# File lib/selenium/webdriver/common/platform.rb, line 32
def engine
  @engine ||= defined?(RUBY_ENGINE) ? RUBY_ENGINE.to_sym : :ruby
end

# File lib/selenium/webdriver/common/platform.rb, line 138
def exit_hook
  pid = Process.pid

  at_exit { yield if Process.pid == pid }
end

# File lib/selenium/webdriver/common/platform.rb, line 144
def find_binary(*binary_names)
  paths = ENV['PATH'].split(File::PATH_SEPARATOR)

  if windows?
    binary_names.map! { |n| "#{n}.exe" }
    binary_names.dup.each { |n| binary_names << n.gsub('exe', 'bat') }
  end

  binary_names.each do |binary_name|
    paths.each do |path|
      full_path = File.join(path, binary_name)
      full_path.tr!('\\', '/') if windows?
      exe = Dir.glob(full_path).find { |f| File.executable?(f) }
      return exe if exe
    end
  end

  nil
end

# File lib/selenium/webdriver/common/platform.rb, line 164
def find_in_program_files(*binary_names)
  paths = [
    ENV['PROGRAMFILES'] || '\\Program Files',
    ENV['ProgramFiles(x86)'] || '\\Program Files (x86)',
    ENV['ProgramW6432'] || '\\Program Files'
  ]

  paths.each do |root|
    binary_names.each do |name|
      exe = File.join(root, name)
      return exe if File.executable?(exe)
    end
  end

  nil
end

# File lib/selenium/webdriver/common/platform.rb, line 27
def home
  # jruby has an issue with ENV['HOME'] on Windows
  @home ||= jruby? ? ENV_JAVA['user.home'] : ENV['HOME']
end

# File lib/selenium/webdriver/common/platform.rb, line 204
def interfaces
  interfaces = Socket.getaddrinfo('localhost', 8080).map { |e| e[3] }
  interfaces += ['0.0.0.0', Platform.ip]

  interfaces.compact.uniq
end

# File lib/selenium/webdriver/common/platform.rb, line 188
def ip
  orig = Socket.do_not_reverse_lookup
  Socket.do_not_reverse_lookup = true

  begin
    UDPSocket.open do |s|
      s.connect '8.8.8.8', 53
      return s.addr.last
    end
  ensure
    Socket.do_not_reverse_lookup = orig
  end
rescue Errno::ENETUNREACH, Errno::EHOSTUNREACH
  # no external ip
end

# File lib/selenium/webdriver/common/platform.rb, line 73
def ironruby?
  engine == :ironruby
end

# File lib/selenium/webdriver/common/platform.rb, line 69
def jruby?
  engine == :jruby
end

# File lib/selenium/webdriver/common/platform.rb, line 89
def linux?
  os == :linux
end

# File lib/selenium/webdriver/common/platform.rb, line 181
def localhost
  info = Socket.getaddrinfo 'localhost', 80, Socket::AF_INET, Socket::SOCK_STREAM

  return info[0][3] unless info.empty?
  raise Error::WebDriverError, "unable to translate 'localhost' for TCP + IPv4"
end

# File lib/selenium/webdriver/common/platform.rb, line 85
def mac?
  os == :macosx
end

# File lib/selenium/webdriver/common/platform.rb, line 122
def make_writable(file)
  File.chmod 0o766, file
end

# File lib/selenium/webdriver/common/platform.rb, line 103
def null_device
  @null_device ||= if defined?(File::NULL)
                     File::NULL
                   else
                     Platform.windows? ? 'NUL' : '/dev/null'
                   end
end

# File lib/selenium/webdriver/common/platform.rb, line 36
def os
  host_os = RbConfig::CONFIG['host_os']
  @os ||= case host_os
          when /mswin|msys|mingw|cygwin|bccwin|wince|emc/
            :windows
          when /darwin|mac os/
            :macosx
          when /linux/
            :linux
          when /solaris|bsd/
            :unix
          else
            raise Error::WebDriverError, "unknown os: #{host_os.inspect}"
          end
end

# File lib/selenium/webdriver/common/platform.rb, line 77
def ruby_version
  RUBY_VERSION
end

# File lib/selenium/webdriver/common/platform.rb, line 81
def windows?
  os == :windows
end

# File lib/selenium/webdriver/common/platform.rb, line 111
def wrap_in_quotes_if_necessary(str)
  windows? && !cygwin? ? %("#{str}") : str
end

# File lib/selenium/webdriver/common/platform.rb, line 93
def wsl?
  return false unless linux?
  File.read('/proc/version').include?('Microsoft')
end