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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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/** |
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* It creates edges by inspecting a class |
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* |
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* 1. It creates edges by inspecting the attributes of a class |
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* 2. It creates edges by inspecting the parameters of the constructor of a class |
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*/ |
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class EdgesBuilder implements AssociationsBuilder |
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{ |
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/** @var bool[] */ |
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private $associations = []; |
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/** @var Structure */ |
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private $structure; |
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public function __construct(Structure $structure) |
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{ |
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$this->structure = $structure; |
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} |
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/** |
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* It creates an edge if the attribute |
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* |
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* - Has type information and it's not a PHP's built-in type |
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* - The association hasn't already been resolved |
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* |
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* @return \PhUml\Graphviz\HasDotRepresentation[] |
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*/ |
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public function attributesAssociationsFrom(ClassDefinition $class): array |
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{ |
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return array_map(function (Variable $attribute) use ($class) { |
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return $this->addAssociation($class, $attribute); |
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}, array_filter($class->attributes, [$this, 'needAssociation'])); |
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} |
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/** |
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* It creates an edge if the constructor parameter |
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* |
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* - Has type information and it's not a PHP's built-in type |
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* - The association hasn't already been resolved |
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* |
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* @return \PhUml\Graphviz\HasDotRepresentation[] |
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*/ |
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public function parametersAssociationsFom(ClassDefinition $class): array |
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{ |
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if (!$class->hasConstructor()) { |
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return []; |
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} |
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return array_map(function (Variable $attribute) use ($class) { |
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return $this->addAssociation($class, $attribute); |
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}, array_filter($class->constructorParameters(), [$this, 'needAssociation'])); |
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} |
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private function addAssociation(ClassDefinition $class, Variable $attribute): Edge |
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{ |
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$this->markAssociationResolvedFor($attribute); |
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return Edge::association( |
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$this->structure->get((string)$attribute->type), |
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$class |
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); |
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} |
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private function needAssociation(Variable $attribute): bool |
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{ |
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return $attribute->isAReference() && !$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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private function markAssociationResolvedFor(Variable $attribute): void |
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{ |
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$this->associations[strtolower($attribute->type)] = true; |
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} |
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} |
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MontealegreLuis /
phuml
