/**
* @param \Khaos\FSM\State\State $initialState
* @param \Khaos\FSM\Stateful $context
* @param \Khaos\FSM\Transition\Transition $t1
* @param \Khaos\FSM\Transition\Transition $t2
* @param \Khaos\FSM\State\State $s1
* @param \Khaos\FSM\State\State $s2
*/
function let($initialState, $context, $t1, $t2, $s1, $s2)
{
$context->setCurrentState($initialState)->willReturn();
$context->getCurrentState()->willReturn($initialState);
$this->beConstructedWith($initialState, $context);
$t1->can('t1', $context, $this->getWrappedObject())->willReturn(true);
$t1->can(Argument::any(), $context, $this->getWrappedObject())->willReturn(false);
$t1->apply('t1', $context, $this->getWrappedObject())->willReturn('S1');
$t1->getTo()->willReturn($s1);
$t2->can('t2', $context, $this->getWrappedObject())->willReturn(true);
$t2->can(Argument::any(), $context, $this->getWrappedObject())->willReturn(false);
$t2->apply('t2', $context, $this->getWrappedObject())->willReturn('S2');
$t2->getTo()->willReturn($s2);
$initialState->getTransitions()->willReturn([$t1, $t2]);
}
/**
* Apply Transition
*
* @param mixed $input
* @param Stateful $context
* @param Runner $runner
*
* @return mixed
*/
public function apply($input, Stateful $context, Runner $runner)
{
$context->setCurrentState($this->to);
if ($this->action !== null && is_callable($this->action)) {
return call_user_func($this->action, $input, $context, $runner, $this);
}
if ($input instanceof InputSequence) {
$input->pop();
}
return $this->action ?: (string) $this->to;
}
/**
* @inheritDoc
*
* @var InputSequence $input
* @var UsageParserContext $context
* @var BacktrackingRunner $runner
*/
public function apply($input, Stateful $context, Runner $runner)
{
$context->setCurrentState($this->to);
return new Argument($this->argument, $input->pop());
}
/**
* @inheritDoc
*
* @var InputSequence $input
* @var UsageParserContext $context
* @var BacktrackingRunner $runner
*/
public function apply($input, Stateful $context, Runner $runner)
{
$context->setCurrentState($this->to);
return null;
}
/**
* Step Runner
*
* A basic machine runner where each call to input correlates to a single
* transition in the machine.
*
* @param State $initialState
* @param Stateful $context
*/
public function __construct(State $initialState, Stateful $context = null)
{
$this->context = $context ?: new Context();
$this->context->setCurrentState($initialState);
}
/**
* @inheritDoc
*
* @var InputSequence $input
* @var UsageParserContext $context
* @var BacktrackingRunner $runner
*/
public function apply($input, Stateful $context, Runner $runner)
{
$context->setCurrentState($this->to);
return $input->getOption($this->optionDefinition);
}
