Method: Yast::CommandLineClass#Command

Defined in:
library/commandline/src/modules/CommandLine.rb

#Command ⇒ Object

Get next user-given command

Get next user-given command. If there is a command available, returns it, otherwise ask the user for a command (in interactive mode). Also processes system commands.

@return [Hash] of the new command. If there are no more commands, it returns exit or abort depending on the result user asked for.

@see #Parse



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# File 'library/commandline/src/modules/CommandLine.rb', line 1321

def Command
  # if we are done already, return the result
  return { "command" => @aborted ? "abort" : "exit" } if @done

  # there is a command in the cache
  if Builtins.size(@commandcache) != 0
    result = deep_copy(@commandcache)
    @commandcache = {}
    @done = !@interactive
    deep_copy(result)
  # if in interactive mode, ask user for input
  elsif @interactive
    loop do
      newcommand = []
      newcommand = Scan() while Builtins.size(newcommand) == 0

      # EOF reached
      if newcommand.nil?
        @done = true
        return { "command" => "exit" }
      end

      @commandcache = Parse(newcommand)
      break if !ProcessSystemCommands(@commandcache)
      break if @done
    end

    return { "command" => @aborted ? "abort" : "exit" } if @done

    # we are not done, return the command asked back to module
    result = deep_copy(@commandcache)
    @commandcache = {}

    deep_copy(result)
  else
    # there is no further commands left
    @done = true
    { "command" => "exit" }
  end
end