DisableConstructorPatch.php
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<?php
/*
* This file is part of the Prophecy.
* (c) Konstantin Kudryashov <ever.zet@gmail.com>
* Marcello Duarte <marcello.duarte@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Prophecy\Doubler\ClassPatch;
use Prophecy\Doubler\Generator\Node\ClassNode;
use Prophecy\Doubler\Generator\Node\MethodNode;
/**
* Disable constructor.
* Makes all constructor arguments optional.
*
* @author Konstantin Kudryashov <ever.zet@gmail.com>
*/
class DisableConstructorPatch implements ClassPatchInterface
{
/**
* Checks if class has `__construct` method.
*
* @param ClassNode $node
*
* @return bool
*/
public function supports(ClassNode $node)
{
return true;
}
/**
* Makes all class constructor arguments optional.
*
* @param ClassNode $node
*/
public function apply(ClassNode $node)
{
if (!$node->hasMethod('__construct')) {
$node->addMethod(new MethodNode('__construct', ''));
return;
}
$constructor = $node->getMethod('__construct');
foreach ($constructor->getArguments() as $argument) {
$argument->setDefault(null);
}
$constructor->setCode(<<<PHP
if (0 < func_num_args()) {
call_user_func_array(array('parent', '__construct'), func_get_args());
}
PHP
);
}
/**
* Returns patch priority, which determines when patch will be applied.
*
* @return int Priority number (higher - earlier)
*/
public function getPriority()
{
return 100;
}
}