ClassVisitor.php

<?php

/*
 * © 2016 IRSTEA
 * Guillaume Perréal <guillaume.perreal@irstea.fr>
 * Tous droits réservés.
 */

namespace Irstea\PlantUmlBundle\Model;

use Irstea\PlantUmlBundle\Model\Node\Class_;
use Irstea\PlantUmlBundle\Model\Node\Interface_;
use Irstea\PlantUmlBundle\Model\Node\Trait_;
use ReflectionClass;

/**
 * Description of Visitor
 *
 * @author Guillaume Perréal <guillaume.perreal@irstea.fr>
 */
class ClassVisitor implements ClassVisitorInterface, UmlComponentInterface
{
    /**
     * @var UmlNodeInterface[]
     */
    protected $nodes = [];

    /**
     * @var UmlComponentInterface[]
     */
    protected $arrows = [];

    /**
     * @var string[]
     */
    protected $namespaces = [];

    public function visitClass($className)
    {
        assert('is_string($className)', $className);
        if (isset($this->nodes[$className])) {
            return $this->nodes[$className];
        }

        return $this->doVisitClass($className);
    }

    /**
     *
     * @param string $className
     * @return UmlNodeInterface
     */
    protected function doVisitClass($className)
    {
        $reflection = new ReflectionClass($className);
        return $this->visitClassReflection($reflection);
    }

    /**
     * @param ReflectionClass $class
     * @return UmlNodeInterface
     */
    protected function visitClassReflection(ReflectionClass $class)
    {
        if ($class->isTrait()) {
            $node  = new Trait_($class->getName());
        } elseif ($class->isInterface()) {
            $node  = new Interface_($class->getName());
        } else {
            $node = new Class_($class->getName(), $class->isAbstract(), $class->isFinal());