AbstractCoreMatcher.php

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<?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\Stmt\Class_;
use PhpParser\NodeVisitorAbstract;
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
use ‪TYPO3\CMS\Install\ExtensionScanner\CodeScannerInterface;
 
abstract class ‪AbstractCoreMatcher extends NodeVisitorAbstract implements ‪CodeScannerInterface
{
    public const ‪NODE_RESOLVED_AS = 'nodeResolvedAs';
 
    protected ‪$matcherDefinitions = [];
 
    protected ‪$matches = [];
 
    protected ‪$flatMatcherDefinitions = [];
 
    protected ‪$currentCodeLine = 0;
 
    protected ‪$isCurrentLineIgnored = false;
 
    protected ‪$isFullFileIgnored = false;
 
    public function ‪getMatches(): array
    {
        return ‪$this->matches;
    }
 
    protected function ‪validateMatcherDefinitions(array $requiredArrayKeys = [])
    {
        foreach ($this->matcherDefinitions as $key => $matcherDefinition) {
            $this->‪validateMatcherDefinitionKeys($key, $matcherDefinition, $requiredArrayKeys);
        }
    }
 
    protected function ‪validateMatcherDefinitionKeys(string $key, array $matcherDefinition, array $requiredArrayKeys = []): void
    {
        // Each config must point to at least one .rst file
        if (empty($matcherDefinition['restFiles'])) {
            throw new \InvalidArgumentException(
                'Each configuration must have at least one referenced "restFiles" entry. Offending key: ' . $key,
                1500496068
            );
        }
        foreach ($matcherDefinition['restFiles'] as $file) {
            if (empty($file)) {
                throw new \InvalidArgumentException(
                    'Empty restFiles definition',
                    1500735983
                );
            }
        }
        // Config broken if not all required array keys are specified in config
        $sharedArrays = array_intersect(array_keys($matcherDefinition), $requiredArrayKeys);
        if (count($sharedArrays) !== count($requiredArrayKeys)) {
            $missingKeys = array_diff($requiredArrayKeys, array_keys($matcherDefinition));
            throw new \InvalidArgumentException(
                'Required matcher definitions missing: ' . implode(', ', $missingKeys) . ' offending key: ' . $key,
                1500492001
            );
        }
    }
 
    protected function ‪initializeFlatMatcherDefinitions()
    {
        $methodNameArray = [];
        foreach ($this->matcherDefinitions as $classAndMethod => $details) {
            $method = ‪GeneralUtility::trimExplode('::', $classAndMethod);
            if (count($method) !== 2) {
                $method = ‪GeneralUtility::trimExplode('->', $classAndMethod);
            }
            if (count($method) !== 2) {
                throw new \RuntimeException(
                    'Keys in $this->matcherDefinitions must have a Class\Name->method or Class\Name::method structure',
                    1500557309
                );
            }
            $method = $method[1];
            if (!array_key_exists($method, $methodNameArray)) {
                $methodNameArray[$method]['candidates'] = [];
            }
            $methodNameArray[$method]['candidates'][] = $details;
        }
        $this->flatMatcherDefinitions = $methodNameArray;
    }
 
    protected function ‪isArgumentUnpackingUsed(array $arguments = []): bool
    {
        foreach ($arguments as $arg) {
            if ($arg->unpack === true) {
                return true;
            }
        }
        return false;
    }
 
    protected function ‪isLineIgnored(Node $node): bool
    {
        // Early return if this line is marked as ignored
        $startLineOfNode = $node->getAttribute('startLine');
        if ($startLineOfNode === $this->currentCodeLine) {
            return ‪$this->isCurrentLineIgnored;
        }
 
        $currentLineIsIgnored = false;
        if ($startLineOfNode !== $this->currentCodeLine) {
            $this->currentCodeLine = $startLineOfNode;
            // First node of a new line may contain the annotation
            $comments = $node->getAttribute('comments');
            if (!empty($comments)) {
                foreach ($comments as $comment) {
                    if (strpos($comment->getText(), '@extensionScannerIgnoreLine') !== false) {
                        $this->isCurrentLineIgnored = true;
                        $currentLineIsIgnored = true;
                        break;
                    }
                }
            }
        }
        return $currentLineIsIgnored;
    }
 
    protected function ‪isFileIgnored(Node $node): bool
    {
        if ($this->isFullFileIgnored) {
            return true;
        }
        $currentFileIsIgnored = false;
        if ($node instanceof Class_) {
            $comments = $node->getAttribute('comments');
            if (!empty($comments)) {
                foreach ($comments as $comment) {
                    if (strpos($comment->getText(), '@extensionScannerIgnoreFile') !== false) {
                        $this->isFullFileIgnored = true;
                        $currentFileIsIgnored = true;
                        break;
                    }
                }
            }
        }
        return $currentFileIsIgnored;
    }
}