Module: Rvim::SystemClipboard

Defined in:
lib/rvim/system_clipboard.rb

Class Method Summary collapse

Class Method Details

.available? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rvim/system_clipboard.rb', line 7

def available?
  detect_tool != nil
end

.detect_tool ⇒ Object 



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# File 'lib/rvim/system_clipboard.rb', line 36

def detect_tool
  return @tool if defined?(@tool)

  @tool = if RUBY_PLATFORM =~ /darwin/ && which('pbpaste')
            :pbpaste
          elsif which('xclip')
            :xclip
          end
end

.read ⇒ Object 



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# File 'lib/rvim/system_clipboard.rb', line 11

def read
  raw = case detect_tool
        when :pbpaste then `pbpaste`
        when :xclip   then `xclip -selection clipboard -o 2>/dev/null`
        else ''
        end
  # Backticks return a string in Encoding.default_external; force-label as
  # UTF-8 and scrub any invalid byte sequences so downstream String#split
  # / regex calls don't raise on (e.g.) a mid-paste binary blob.
  raw = raw.dup.force_encoding(Encoding::UTF_8)
  raw.valid_encoding? ? raw : raw.scrub('?')
end

.which(cmd) ⇒ Object 



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# File 'lib/rvim/system_clipboard.rb', line 46

def which(cmd)
  ENV.fetch('PATH', '').split(File::PATH_SEPARATOR).any? { |d| File.executable?(File.join(d, cmd)) }
end

.write(text) ⇒ Object 



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# File 'lib/rvim/system_clipboard.rb', line 24

def write(text)
  tool = detect_tool
  return false unless tool

  cmd = case tool
        when :pbpaste then 'pbcopy'
        when :xclip   then 'xclip -selection clipboard -i'
        end
  IO.popen(cmd, 'w') { |io| io.write(text) }
  $?.success?
end