Module: ActsAsRunnableCode::InstanceMethods

Defined in:
lib/acts_as_runnable_code.rb

Instance Method Summary collapse

Instance Method Details

#run_code(toplevel_object = nil, options = {}) ⇒ Object

Run the user’s code in the context of a toplevel_object The toplevel_object will be automatically wrapped and copied into the sandbox



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# File 'lib/acts_as_runnable_code.rb', line 10

def run_code(toplevel_object = nil, options = {})
  options[:timeout] ||= self.class.runnable_code_options[:timeout] 
  s = sandbox
  if toplevel_object
    s.set(:toplevel, ActsAsWrappedClass::WrapperFinder.find_wrapper_for(toplevel_object))
    s.set(:code, self.send(self.class.source_code_field))
    result = s.eval("eval(code, toplevel.send(:binding))", options)
  else
    s.set(:code, self.send(self.class.source_code_field))        
    result = s.eval("eval(code)", options)
  end
  result.class.respond_to?(:wrapper_class?) && result.class.wrapper_class? ? result._wrapped_object : result
end

#sandbox ⇒ Object

Get the sandbox used to eval user code for this class Makes sandbox references to the wrapper classes



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# File 'lib/acts_as_runnable_code.rb', line 26

def sandbox
  return self.class.instance_variable_get("@sandbox") if self.class.instance_variables.include?("@sandbox")
  
  if self.class.runnable_code_options[:unsafe_sandbox]
    s = Sandbox.new
  else
    s = Sandbox.safe
  end
  
  classes = self.class.runnable_code_options[:classes] || ActsAsWrappedClass::WRAPPED_CLASSES
  
  classes.each do |c|
    name = "#{c}Wrapper"
    s.ref eval(name)
  end
  
  self.class.instance_variable_set("@sandbox", s) if self.class.runnable_code_options[:singleton_sandbox]
  s
end