public function add(Ezer_Step &$step)
{
// overwrite any flow definition
$step->in_flows = array();
$step->out_flows = array();
$sources = $step->getSources();
if ($sources && $sources instanceof Ezer_Array) {
$arr_sources = (array) $sources;
foreach ($arr_sources as $source) {
$source_name = $source->getStepName();
$source_step =& $this->getStep($source_name);
if ($source_step) {
$source_step->setOutFlow($step);
$step->setInFlow($source_step);
}
}
}
$targets = $step->getTargets();
if ($targets && $targets instanceof Ezer_Array) {
$arr_targets = (array) $targets;
foreach ($arr_targets as $target) {
$target_name = $target->getStepName();
$target_step =& $this->getStep($target_name);
if ($target_step) {
$target_step->setInFlow($step);
$step->setOutFlow($target_step);
}
}
}
parent::add($step);
}
public function add(Ezer_Step &$step)
{
// overwrite any flow definition
$step->in_flows = array();
$step->out_flows = array();
parent::add($step);
$last_index = count($this->steps) - 1;
if ($last_index <= 0) {
return;
}
$last_step =& $this->steps[$last_index];
$prev_step =& $this->steps[$last_index - 1];
$last_step->in_flows[$prev_step->id] = $prev_step;
$prev_step->out_flows[$last_step->id] = $last_step;
}
public function add(Ezer_Step $value)
{
// overwrite any flow definition
$value->in_flows = array();
$value->out_flows = array();
if ($value instanceof Ezer_If) {
$value->canElse = false;
$this->elseifs[] = $value;
return;
}
if ($value instanceof Ezer_Else) {
if (!$value->canElse) {
throw new Ezer_SyntaxException('ElseIf object can not contain Else object');
}
$this->else = $value;
return;
}
if (count($this->steps)) {
throw new Ezer_SyntaxException('If object can contain only on step');
}
parent::add($value);
}
