Module: WickedPdf::Progress

Included in:
WickedPdf
Defined in:
lib/wicked_pdf/progress.rb

Instance Method Summary collapse

Instance Method Details

#invoke_with_progress(command, options) ⇒ Object


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# File 'lib/wicked_pdf/progress.rb', line 10

def invoke_with_progress(command, options)
  output = []
  begin
    PTY.spawn(command.join(' ')) do |stdout, _stdin, pid|
      begin
        stdout.sync
        stdout.each_line("\r") do |line|
          output << line.chomp
          options[:progress].call(line) if options[:progress]
        end
      rescue Errno::EIO # rubocop:disable Lint/HandleExceptions
        # child process is terminated, this is expected behaviour
      ensure
        ::Process.wait pid
      end
    end
  rescue PTY::ChildExited
    puts 'The child process exited!'
  end
  err = output.join('\n')
  raise "#{command} failed (exitstatus 0). Output was: #{err}" unless $CHILD_STATUS && $CHILD_STATUS.exitstatus.zero?
end

#track_progress?(options) ⇒ Boolean

Returns:

  • (Boolean)

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# File 'lib/wicked_pdf/progress.rb', line 6

def track_progress?(options)
  options[:progress] && !on_windows?
end