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cms-install/Classes/ExtensionScanner/Php/Matcher/MethodCallStaticMatcher.php
T

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PHP

<?php
declare(strict_types=1);
/*
* This file is part of the TYPO3 CMS project.
*
* It is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, either version 2
* of the License, or any later version.
*
* For the full copyright and license information, please read the
* LICENSE.txt file that was distributed with this source code.
*
* The TYPO3 project - inspiring people to share!
*/
namespace TYPO3\CMS\Install\ExtensionScanner\Php\Matcher;
use PhpParser\Node;
use PhpParser\Node\Expr\StaticCall;
use PhpParser\Node\Expr\Variable;
use PhpParser\Node\Identifier;
use PhpParser\Node\Name\FullyQualified;
/**
* Find usages of static method calls which were removed / deprecated.
*
* This match is performed either is case of a direct "foo\bar::aMethod()" call
* as "strong" match, or as only "::aMethod()" as "weak" match.
*
* As additional indicator, the number of required, mandatory arguments is
* recognized: If calling a static method as "$foo::aMethod($arg1), but the
* method needs two arguments, this is *not* considered a match. This would
* have raised a fatal PHP error anyway and this is nothing we test here.
* @internal This class is only meant to be used within EXT:install and is not part of the TYPO3 Core API.
*/
class MethodCallStaticMatcher extends AbstractCoreMatcher
{
/**
* Validate config and prepare weak matcher array
*
* @param array $matcherDefinitions Incoming main configuration
*/
public function __construct(array $matcherDefinitions)
{
$this->matcherDefinitions = $matcherDefinitions;
$this->validateMatcherDefinitions(['numberOfMandatoryArguments', 'maximumNumberOfArguments']);
$this->initializeFlatMatcherDefinitions();
}
/**
* Called by PhpParser.
* Test for "foo\bar::deprecated()" (strong match)
* Test for "::deprecated()" (weak match)
*/
public function enterNode(Node $node): null
{
// Static call, not method call
if (!$this->isFileIgnored($node)
&& !$this->isLineIgnored($node)
&& $node instanceof StaticCall
) {
if ($node->class instanceof FullyQualified && $node->name instanceof Identifier) {
// 'Foo\Bar::deprecated()' -> strong match
$fqdnClassWithMethod = $node->class->toString() . '::' . $node->name->name;
if (array_key_exists($fqdnClassWithMethod, $this->matcherDefinitions)) {
$this->matches[] = [
'restFiles' => $this->matcherDefinitions[$fqdnClassWithMethod]['restFiles'],
'line' => $node->getAttribute('startLine'),
'message' => 'Use of static class method call "' . $fqdnClassWithMethod . '()"',
'indicator' => 'strong',
];
}
} elseif ($node->class instanceof Variable
&& $node->name instanceof Identifier
&& array_key_exists($node->name->name, $this->flatMatcherDefinitions)
) {
$match = [
'restFiles' => [],
'line' => $node->getAttribute('startLine'),
'message' => 'Use of static class method call "' . $node->name->name . '()"',
'indicator' => 'weak',
];
$numberOfArguments = count($node->args);
$isArgumentUnpackingUsed = $this->isArgumentUnpackingUsed($node->args);
$isPossibleMatch = false;
foreach ($this->flatMatcherDefinitions[$node->name->name]['candidates'] as $candidate) {
// A method call is considered a match if it is called with argument unpacking, or
// if the number of given arguments is within range of mandatory / max number of arguments
if ($isArgumentUnpackingUsed
|| ($numberOfArguments >= $candidate['numberOfMandatoryArguments']
&& $numberOfArguments <= $candidate['maximumNumberOfArguments'])
) {
$isPossibleMatch = true;
$match['restFiles'] = array_unique(array_merge($match['restFiles'], $candidate['restFiles']));
}
}
if ($isPossibleMatch) {
$this->matches[] = $match;
}
}
}
return null;
}
}