module Clipboard::Utils
Public Instance Methods
autodetect_implementation()
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Find out which implementation is best to use
# File lib/clipboard/utils.rb, line 13 def autodetect_implementation os = case RbConfig::CONFIG['host_os'] when /mac|darwin/ then :Mac when /linux|bsd/ then :Linux when /mswin|mingw/ then :Windows when /cygwin/ then :Cygwin else raise ClipboardLoadError, "clipboard: Could not find suitable implementation for OS(#{ RbConfig::CONFIG['host_os'] })" end # Running additional check to detect if running in Microsoft WSL or Wayland if os == :Linux require "etc" if Etc.uname[:release] =~ /Microsoft/ os = :Wsl # Only choose Wayland implementation if wl-copy is found, since xclip / xsel *might* work elsif ENV["XDG_SESSION_TYPE"] == "wayland" && executable_installed?("wl-copy") os = :LinuxWayland end end os end
executable_installed?(cmd)
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Check if a necessary command is available
# File lib/clipboard/utils.rb, line 38 def executable_installed?(cmd) ENV['PATH'].split(::File::PATH_SEPARATOR).any? do |path| ::File.executable?(::File.join(path, cmd)) end end
popen(cmd, data, read_output_stream = false)
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Utility to call external command
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pure .popen2 becomes messy with xsel when not reading the output stream
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xclip doesn’t like to have output stream read
# File lib/clipboard/utils.rb, line 47 def popen(cmd, data, read_output_stream = false) Open3.popen2(cmd) { |input, output, waiter_thread| output_thread = Thread.new { output.read } if read_output_stream begin input.write data rescue Errno::EPIPE end input.close output_thread.value if read_output_stream waiter_thread.value } end