<?php
/*
* This file is part of Psy Shell.
*
* (c) 2012-2020 Justin Hileman
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Psy\CodeCleaner;
use PhpParser\Node;
use PhpParser\Node\Name;
use PhpParser\Node\Name\FullyQualified as FullyQualifiedName;
use PhpParser\Node\Stmt\Namespace_;
/**
* Abstract namespace-aware code cleaner pass.
*/
abstract class NamespaceAwarePass extends CodeCleanerPass
{
protected $namespace;
protected $currentScope;
/**
* @todo should this be final? Extending classes should be sure to either
* use afterTraverse or call parent::beforeTraverse() when overloading.
*
* Reset the namespace and the current scope before beginning analysis
*/
public function beforeTraverse(array $nodes)
{
$this->namespace = [];
$this->currentScope = [];
}
/**
* @todo should this be final? Extending classes should be sure to either use
* leaveNode or call parent::enterNode() when overloading
*
* @param Node $node
*/
public function enterNode(Node $node)
{
if ($node instanceof Namespace_) {
$this->namespace = isset($node->name) ? $node->name->parts : [];
}
}
/**
* Get a fully-qualified name (class, function, interface, etc).
*
* @param mixed $name
*
* @return string
*/
protected function getFullyQualifiedName($name)
{
if ($name instanceof FullyQualifiedName) {
return \implode('\\', $name->parts);
} elseif ($name instanceof Name) {
$name = $name->parts;
} elseif (!\is_array($name)) {
$name = [$name];
}
return \implode('\\', \array_merge($this->namespace, $name));
}
}