Class: Irsh::Shell

Inherits:
Object
  • Object
show all
Defined in:
lib/shell.rb

Instance Method Summary collapse

Instance Method Details

#exittime ⇒ Object 



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# File 'lib/shell.rb', line 34

def exittime
  #write stuff to file maybe?
  exit
end

#handleliteral(cmd) ⇒ Object 



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# File 'lib/shell.rb', line 39

def handleliteral(cmd)
  rawcmd = cmd.split(' ')[0]
  args = cmd.split(' ')[1..-1].join(' ')
  case rawcmd
  when "$irsh"
    runoop
  when "cd"
    Dir.chdir(args)
  else
    iserrored = system(cmd)
    puts 'Command not found' if iserrored == nil
  end
end

#handleoop(cmd) ⇒ Object 



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# File 'lib/shell.rb', line 53

def handleoop(cmd)
  runliteral if cmd.split(' ')[0] == "$irsh"
  res = eval(cmd, @binding)
  $last_res = res
  eval("_ = $last_res", @binding)
  puts res
  rescue ::Exception => e
   puts "Exception #{e.class} -> #{e.message}"
   e.backtrace.each do |t|
   puts "   #{::File.expand_path(t)}"
  end
end

#init ⇒ Object 



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# File 'lib/shell.rb', line 29

def init
  @binding = binding
  runliteral
end

#runliteral ⇒ Object 



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# File 'lib/shell.rb', line 8

def runliteral
  loop do
    currdir = Dir.pwd.split('/').last
    cmd = Readline.readline("ir$h (#{currdir})> ")
    exittime if cmd.nil? or cmd == "exit"
    next if cmd == ""
    Readline::HISTORY.push(cmd)
    handleliteral(cmd)
  end
end

#runoop ⇒ Object 



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# File 'lib/shell.rb', line 19

def runoop
  loop do
    cmd = Readline.readline("iRsh> ")
    exittime if cmd.nil? or cmd == "exit"
    next if cmd == ""
    Readline::HISTORY.push(cmd)
    handleoop(cmd)
  end
end