Module: LokkaSh::Prompt

Defined in:
lib/lokka-sh/prompt.rb

Class Method Summary collapse

Class Method Details

.execute(line) ⇒ Object 



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# File 'lib/lokka-sh/prompt.rb', line 32

def execute(line)
  if command = LokkaSh::Command.find(line)
    start = Time.now
    arg = line.split(/\s+/, 2)[1] rescue nil
    command.call(arg)
    LokkaSh::Color.with(:blue) { "#{Time.now - start}sec" }
  else
    LokkaSh::Color.with(:bg_red) { "Command not found" }
  end
end

.invoke ⇒ Object 



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# File 'lib/lokka-sh/prompt.rb', line 5

def invoke
  setup_readline

  while buf = Readline.readline(prompt, true)
    line = buf.strip
    next if line.empty?
    begin
      execute(line)
    rescue SystemExit
      raise
    rescue Exception => e
      LokkaSh::Color.with(:bg_red) { "#{e.message}\n#{e.backtrace.join("\n")}" }
    end
  end

  setup_readline
end

.prompt ⇒ Object 



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# File 'lib/lokka-sh/prompt.rb', line 23

def prompt
  "%s> " % "lokka-sh(#{File.basename(::Lokka.root)})"
end

.setup_readline ⇒ Object 



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# File 'lib/lokka-sh/prompt.rb', line 27

def setup_readline
  Readline.basic_word_break_characters = ""
  Readline.completion_proc = LokkaSh::Command.completion_proc
end