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<?php |
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declare(strict_types=1); |
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namespace DependencyAnalyzer; |
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use DependencyAnalyzer\DependencyGraphBuilder\UnknownClassReflection; |
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use DependencyAnalyzer\DependencyGraph; |
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use DependencyAnalyzer\DependencyGraph\ExtraPhpDocTagResolver; |
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use Fhaculty\Graph\Graph; |
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use PHPStan\Reflection\ClassReflection; |
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class DependencyGraphBuilder |
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{ |
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/** |
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* @var ClassReflection[]|UnknownClassReflection[] $classReflections |
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*/ |
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protected $classes = []; |
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/** |
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* @var array $dependencyMap |
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*/ |
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protected $dependencyMap = []; |
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/** |
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* @var ExtraPhpDocTagResolver |
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*/ |
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protected $extraPhpDocTagResolver; |
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public function __construct(ExtraPhpDocTagResolver $extraPhpDocTagResolver) |
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{ |
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$this->extraPhpDocTagResolver = $extraPhpDocTagResolver; |
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} |
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/** |
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* @param ClassReflection $depender |
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* @param ClassReflection $dependee |
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*/ |
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public function addDependency(ClassReflection $depender, ClassReflection $dependee) |
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{ |
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$this->addDependencyMap($this->getClassReflectionId($depender), $this->getClassReflectionId($dependee)); |
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} |
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public function addUnknownDependency(ClassReflection $depender, string $dependeeName) |
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{ |
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$unknownClassReflection = new UnknownClassReflection($dependeeName); |
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$unknownClassReflection->addDepender($depender->getDisplayName()); |
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$this->addDependencyMap($this->getClassReflectionId($depender), $this->getClassReflectionId($unknownClassReflection)); |
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} |
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protected function addDependencyMap(int $dependerId, int $dependeeId) |
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{ |
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if (!isset($this->dependencyMap[$dependerId])) { |
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$this->dependencyMap[$dependerId] = [$dependeeId]; |
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} elseif (!in_array($dependeeId, $this->dependencyMap[$dependerId])) { |
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$this->dependencyMap[$dependerId][] = $dependeeId; |
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} |
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} |
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/** |
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* @param ClassReflection|UnknownClassReflection $classReflection |
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* @return int |
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*/ |
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protected function getClassReflectionId($classReflection): int |
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{ |
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foreach ($this->classes as $id => $reflection) { |
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if ($reflection->getDisplayName() === $classReflection->getDisplayName()) { |
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if ($reflection instanceof UnknownClassReflection) { |
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$reflection->mergeDepender($classReflection); |
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} |
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return $id; |
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} |
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} |
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$this->classes[] = $classReflection; |
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return count($this->classes) - 1; |
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} |
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public function build(): DependencyGraph |
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{ |
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$graph = new Graph(); |
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foreach ($this->classes as $class) { |
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$vertex = $graph->createVertex($class->getDisplayName()); |
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$vertex->setAttribute('reflection', $class); |
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$canOnlyUsedByTags = ($class instanceof ClassReflection) ? $this->extraPhpDocTagResolver->resolveCanOnlyUsedByTag($class) : []; |
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$vertex->setAttribute(ExtraPhpDocTagResolver::ONLY_USED_BY_TAGS, $canOnlyUsedByTags); |
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} |
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foreach ($this->dependencyMap as $dependerId => $dependeeIds) { |
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$depender = $graph->getVertex($this->classes[$dependerId]->getDisplayName()); |
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foreach ($dependeeIds as $dependeeId) { |
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$dependee = $graph->getVertex($this->classes[$dependeeId]->getDisplayName()); |
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$depender->createEdgeTo($dependee); |
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} |
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} |
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return new DependencyGraph($graph); |
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} |
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} |
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nazonohito51 /
dependency-analyzer
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