Files
cms-install/Classes/ExtensionScanner/Php/Matcher/MethodCallArgumentValueMatcher.php

134 lines
4.8 KiB
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\MethodCall;
use PhpParser\Node\Identifier;
use PhpParser\Node\Name\FullyQualified;
use PhpParser\Node\Scalar;
/**
* Find usages of arguments in method calls which were removed / deprecated.
* @internal This class is only meant to be used within EXT:install and is not part of the TYPO3 Core API.
*/
class MethodCallArgumentValueMatcher extends AbstractCoreMatcher
{
/**
* Prepare $this->flatMatcherDefinitions once
*
* @param array $matcherDefinitions Incoming main configuration
*/
public function __construct(array $matcherDefinitions)
{
$this->matcherDefinitions = $matcherDefinitions;
$this->validateMatcherDefinitions(['argumentMatches']);
$this->initializeFlatMatcherDefinitions();
}
/**
* Called by PhpParser.
* Test for "->method($someArgument)" (weak match)
* and for "fqcn::method($someArgument)" (strong match)
*/
public function enterNode(Node $node): null
{
// Match method call (not static)
if ($this->isFileIgnored($node)
|| $this->isLineIgnored($node)
) {
return null;
}
if ($node instanceof Node\Expr\StaticCall
&& $node->class instanceof FullyQualified
&& $node->name instanceof Identifier
&& array_key_exists($node->class->toString() . '::' . $node->name->name, $this->matcherDefinitions)
) {
$match = [
'restFiles' => [],
'line' => $node->getAttribute('startLine'),
'message' => 'Call to specific argument (#%s) of static method "' . $node->class->toString() . '::' . $node->name->name . '()"',
'indicator' => 'strong',
];
$matchCandidate = [$this->matcherDefinitions[$node->class->toString() . '::' . $node->name->name]];
} elseif ($node instanceof MethodCall
&& $node->name instanceof Identifier
&& array_key_exists($node->name->name, $this->flatMatcherDefinitions)
) {
$match = [
'restFiles' => [],
'line' => $node->getAttribute('startLine'),
'message' => 'Call to specific argument (#%s) of method "' . $node->name->name . '()"',
'indicator' => 'weak',
];
$matchCandidate = $this->flatMatcherDefinitions[$node->name->name]['candidates'];
} else {
return null;
}
$isPossibleMatch = false;
// So far, the candidates just have their argument numbering and method name matching applied
// Now let's inspect whether the argument actually holds the value our droids are looking for
foreach ($matchCandidate as $candidate) {
$argumentNumbers = $this->isArgumentMatched($node, $candidate);
if ($argumentNumbers !== []) {
$isPossibleMatch = true;
$match['restFiles'] = array_unique(array_merge($match['restFiles'], $candidate['restFiles']));
$match['message'] = sprintf($match['message'], implode(', ', $argumentNumbers));
// One match will shortcut checking for others.
break;
}
}
if ($isPossibleMatch) {
$this->matches[] = $match;
}
return null;
}
/**
* Returns the array of matched arguments on a match candidate.
* Returns empty array if either none found or not ALL matches are matched (AND combined)
*/
private function isArgumentMatched(Node $node, array $candidate): array
{
$matchedArgumentNumbers = [];
foreach (($candidate['argumentMatches'] ?? []) as $argumentMatchArray) {
if (isset($node->args[$argumentMatchArray['argumentIndex']]->value->value)
&& $node->args[$argumentMatchArray['argumentIndex']]->value instanceof Scalar
&& $node->args[$argumentMatchArray['argumentIndex']]->value->value === $argumentMatchArray['argumentValue']) {
$matchedArgumentNumbers[] = $argumentMatchArray['argumentIndex'];
}
}
if (count($matchedArgumentNumbers) !== count($candidate['argumentMatches'] ?? [])) {
return [];
}
return $matchedArgumentNumbers;
}
}