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<?php |
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/** |
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* PHP version 7.1 |
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* |
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* This source file is subject to the license that is bundled with this package in the file LICENSE. |
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*/ |
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namespace PhUml\Graphviz\Builders; |
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use PhUml\Code\ClassDefinition; |
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use PhUml\Code\Structure; |
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use PhUml\Code\Variable; |
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use PhUml\Graphviz\Edge; |
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use PhUml\Graphviz\Node; |
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class ClassGraphBuilder |
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{ |
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/** @var \PhUml\Graphviz\HasDotRepresentation[] */ |
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private $dotElements = []; |
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/** @var bool[] */ |
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private $associations = []; |
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/** @var bool */ |
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private $createAssociations; |
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/** @var NodeLabelBuilder */ |
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private $labelBuilder; |
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/** @var Structure */ |
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private $structure; |
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public function __construct(NodeLabelBuilder $labelBuilder) |
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{ |
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$this->createAssociations = false; |
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$this->labelBuilder = $labelBuilder; |
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} |
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public function createAssociations(): void |
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{ |
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$this->createAssociations = true; |
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} |
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/** @return \PhUml\Graphviz\HasDotRepresentation[] */ |
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public function extractFrom(ClassDefinition $class, Structure $structure): array |
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{ |
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$this->dotElements = []; |
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$this->associations = []; |
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$this->structure = $structure; |
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if ($this->createAssociations) { |
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$this->addElementsForAttributes($class); |
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$this->addElementsForParameters($class); |
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} |
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$this->dotElements[] = new Node($class, $this->labelBuilder->forClass($class)); |
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if ($class->hasParent()) { |
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$this->dotElements[] = Edge::inheritance($class->extends, $class); |
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} |
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foreach ($class->implements as $interface) { |
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$this->dotElements[] = Edge::implementation($interface, $class); |
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} |
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return $this->dotElements; |
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} |
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/** @return \PhUml\Graphviz\HasDotRepresentation[] */ |
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private function addElementsForAttributes(ClassDefinition $class): void |
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{ |
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/** @var \PhUml\Code\Attribute $attribute */ |
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foreach ($class->attributes as $attribute) { |
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$this->addAssociationForVariable($class, $attribute); |
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} |
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} |
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/** @return \PhUml\Graphviz\HasDotRepresentation[] */ |
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private function addElementsForParameters(ClassDefinition $class): void |
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{ |
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if (!$class->hasConstructor()) { |
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return; |
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} |
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foreach ($class->constructorParameters() as $parameter) { |
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$this->addAssociationForVariable($class, $parameter); |
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} |
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} |
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private function addAssociationForVariable(ClassDefinition $class, Variable $attribute): void |
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{ |
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if ($this->needAssociation($attribute)) { |
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$this->dotElements[] = Edge::association( |
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$this->structure->get((string)$attribute->type), |
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$class |
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); |
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$this->associations[strtolower($attribute->type)] = true; |
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} |
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} |
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private function needAssociation(Variable $attribute): bool |
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{ |
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return $attribute->hasType() && !$attribute->isBuiltIn() && !$this->isAssociationResolved($attribute->type); |
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} |
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private function isAssociationResolved(string $type): bool |
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{ |
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return array_key_exists(strtolower($type), $this->associations); |
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} |
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} |
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MontealegreLuis /
phuml
