public function transform($input, &$output = '')
{
// Get all defined handlers
$handlers = \samsonphp\event\Event::listeners();
// Iterate all event fire calls
foreach ($this->fires as $id => $data) {
// Collection of actual event handler call for replacement
$code = array();
// Set pointer to event subscriptions collection
if (isset($this->subscriptions[$id])) {
// Iterate event subscriptions
foreach ($this->subscriptions[$id] as &$event) {
$this->log('Analyzing event subscription[##]', $id);
// If subscriber callback is object method
if (isset($event['object'])) {
$eventHandlers =& $handlers[$id];
if (isset($eventHandlers)) {
// Iterate all handlers
foreach ($eventHandlers as $handler) {
$call = '';
// Get pointer to object
if (is_scalar($handler[0][0])) {
$object = $handler[0][0];
} else {
$object =& $handler[0][0];
}
// TODO: Not existing dynamic handlers what was excluded from compressed code
if (is_object($object) && $object instanceof \samson\core\iModule && $object instanceof \samson\core\iModuleCompressable) {
// Build object method call
$call = 'm("' . $object->id() . '")->' . $event['method'] . '(';
$this->log(' - Replacing event fire[##] with object function call [##]', $id, $call);
} elseif (strpos($event['object'], '(') !== false) {
// Function
// Build object method call
$call = $event['object'] . '->' . $event['method'] . '(';
} elseif (is_string($object) && class_exists($object, false)) {
// Static class
//trace($event['object'].'-'.$object);
// Build object method call
$call = $event['object'] . '::' . $event['method'] . '(';
}
// TODO: Define what to do with other classes, only functions supported
// If we have found correct object
if (isset($call[0])) {
// Event fire passes parameters
if (is_array($data['params'])) {
$call .= implode(', ', $data['params']);
}
// Gather object calls
$code[] = $call . ');';
} else {
$this->log(' - Cannot replace event fire[##] with [##] - [##]', $id, $event['object'], $event['method']);
}
}
}
} else {
// Global function
if (strpos($event['method'], '$') === false) {
$call = $event['method'] . '(' . implode(', ', $data['params']) . ');';
$code[] = $call;
$this->log(' - Replacing event fire[##] with function call [##]', $id, $call);
} else {
$this->log('Cannot replace event fire method with [##] - variables not supported', $event['method']);
}
}
}
// Remove duplicates
$code = array_unique($code);
// Replace Event::fire call with actual handlers
$input = str_replace($data['source'], implode("\n", $code), $input);
// Logging changes in code
foreach ($code as $replace) {
$this->log('Replacing [##] with [##]', $data['source'], $replace);
}
} else {
// There is no subscriptions to this event fire
// Remove Event::fire call without subscriptions
$input = str_replace($data['source'], '', $input);
$this->log('Removing event firing [##] as it has no subscriptions', $data['source']);
}
}
// Remove all subscriptions from code
$input = $this->removeSubscriptionCalls($this->subscriptions, $input);
// Copy output
$output = $input;
return true;
}
/** Test if listeners getter not empty after all tests */
public function testListenersList()
{
$listeners = \samsonphp\event\Event::listeners();
// Perform test
$this->assertGreaterThan(0, $listeners);
}