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GenerateCommand.php 10.1 KB
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<?php

/*
 * Copyright (C) 2015 IRSTEA
 * All rights reserved.
 */
namespace Irstea\PlantUmlBundle\Command;

use Doctrine\ORM\EntityManagerInterface;
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use Irstea\PlantUmlBundle\Doctrine\AssociationDecorator;
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use Irstea\PlantUmlBundle\Doctrine\DoctrineNamespace;
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use Irstea\PlantUmlBundle\Doctrine\EntityDecorator;
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use Irstea\PlantUmlBundle\Model\ClassFilterInterface;
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use Irstea\PlantUmlBundle\Model\ClassVisitor;
use Irstea\PlantUmlBundle\Model\Decorator\CompositeDecorator;
use Irstea\PlantUmlBundle\Model\Decorator\FilteringDecorator;
use Irstea\PlantUmlBundle\Model\Decorator\InheritanceDecorator;
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use Irstea\PlantUmlBundle\Model\Decorator\NullDecorator;
use Irstea\PlantUmlBundle\Model\DecoratorInterface;
use Irstea\PlantUmlBundle\Model\Filter\AcceptAllFilter;
use Irstea\PlantUmlBundle\Model\Filter\Composite\AllFilter;
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use Irstea\PlantUmlBundle\Model\Filter\DirectoryFilter;
use Irstea\PlantUmlBundle\Model\Filter\NamespaceFilter;
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use Irstea\PlantUmlBundle\Model\Namespace_\BundleNamespace;
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use Irstea\PlantUmlBundle\Model\Namespace_\FlatNamespace;
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use Irstea\PlantUmlBundle\Model\Namespace_\Php\RootNamespace;
use Irstea\PlantUmlBundle\Model\NamespaceInterface;
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use Irstea\PlantUmlBundle\Writer\OutputWriter;
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use ReflectionClass;
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use Symfony\Bundle\FrameworkBundle\Command\ContainerAwareCommand;
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use Symfony\Component\Config\Definition\Exception\Exception;
use Symfony\Component\Console\Input\InputArgument;
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use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
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use Symfony\Component\Finder\Finder;
use Symfony\Component\Finder\SplFileInfo;
use Symfony\Component\HttpKernel\KernelInterface;
use Symfony\Component\Security\Core\Exception\InvalidArgumentException;
use Symfony\Component\Security\Core\Exception\RuntimeException;
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/**
 * Description of ImportAffiliationCommand
 *
 * @author Guillaume Perréal <guillaume.perreal@irstea.fr>
 */
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class GenerateCommand extends ContainerAwareCommand
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{
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    /**
     * @var string[]
     */
    private $bundles;

    /**
     * @var KernelInterface
     */
    private $kernel;

    /**
     * @var EntityManagerInterface
     */
    private $entityManager;

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    protected function configure()
    {
        $this
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            ->setName('irstea:plantuml:generate')
            ->setDescription("Génère un graphe en PlantUML.")
            ->addArgument('graph', InputArgument::REQUIRED, 'Nom du graphe à générer');
    }

    protected function initialize(InputInterface $input, OutputInterface $output)
    {
        parent::initialize($input, $output);

        // @todo: DI
        $this->bundles = $this->getContainer()->getParameter('kernel.bundles');
        $this->kernel =  $this->getContainer()->get('kernel');
        $this->entityManager =  $this->getContainer()->get('doctrine.orm.entity_manager');
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    }

    /**
     *
     * @param InputInterface $input
     * @param OutputInterface $output
     *
     * @SuppressWarnings(UnusedFormalParameter)
     */
    protected function execute(InputInterface $input, OutputInterface $output)
    {
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        $name = $input->getArgument('graph');
        $graphs = $this->getContainer()->getParameter('irstea_plant_uml.graphs');
        if (!isset($graphs[$name])) {
            throw new InvalidArgumentException("Le graphe '$name' n'est pas défini.");
        }
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        $config = $graphs[$name];
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        $classes = $this->findClasses($config['sources']);
        if (empty($classes)) {
            $output->writeln("Nothing to analyze.");
            return 0;
        }
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        $namespace = $this->buildNamespace($config['layout']['namespaces']);
        $displayFilter = $this->buildFilter($config['layout']);
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        $decorator = $this->buildDecorator($config['decoration']);
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        $visitor = new ClassVisitor($decorator, $displayFilter, $namespace);
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        foreach($classes as $class) {
            $visitor->visitClass($class);
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        }
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        $writer = new OutputWriter($output);
        $writer->write("@startuml\n");
        $visitor->outputTo($writer);
        $writer->write("@enduml\n");
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    }
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    /**
     * @param ReflectionClass[]
     */
    protected function findClasses(array $config)
    {
        switch($config['type']) {
            case 'entities':
                $classes = $this->findEntities($config['entity_manager']);
                break;
            case 'classes':
                $classes = $this->findClassesInDirectories($config['directories']);
                break;
        }

        $filter = $this->buildFilter($config);
        if ($filter) {
            return array_filter($classes, [$filter, 'accept']);
        }

        return $classes;
    }

    /**
     * @return ReflectionClass[]
     */
    protected function findEntities($managerName)
    {
        $doctrine = $this->getContainer()->get('doctrine');
        $this->entityManager = $doctrine->getManager($managerName);

        $classes = [];
        foreach($this->entityManager->getMetadataFactory()->getAllMetadata() as $metadata) {
            $classes[$metadata->getName()] = $metadata->getReflectionClass();
        }

        return $classes;
    }

    /**
     *
     * @return ReflectionClass[]
     */
    protected function findClassesInDirectories($directories)
    {
        $paths = $this->parseDirectories($directories);

        $files = Finder::create()
            ->in($paths)
            ->files()
            ->name('*.php')
            ->getIterator();

        foreach($files as $file)
        {
            /* @var $file SplFileInfo */
            $path = $file->getPathname();
            try {
                irstea_plantmul_include($path);
            } catch(Exception $ex) {
                printf("%s: %s (%s)\n", $path, get_class($ex), $ex->getMessage());
            }
        }

        $filter = new DirectoryFilter($paths);
        $classes = [];
        foreach(get_declared_classes() as $className) {
            $class = new ReflectionClass($className);
            if ($filter->accept($class)) {
                $classes[$className] = $class;
            }
        }

        return $classes;
    }

    /**
     * @param array $config
     * @return DecoratorInterface
     * @throws RuntimeException
     */
    protected function buildDecorator(array $config)
    {
        $decorators = [];

        foreach($config['decorators'] as $decorator) {
            switch($decorator) {
                case 'inheritance':
                    $decorators[] = new InheritanceDecorator();
                    break;
                case 'entity':
                    $decorators[] = new EntityDecorator($this->entityManager->getMetadataFactory());
                    break;
                case 'associations':
                    $decorators[] = new AssociationDecorator($this->entityManager->getMetadataFactory());
                    break;
                /*default:
                    throw new RuntimeException("Decorator '$decorator' not yet implemented");*/
            }
        }

        if (empty($decorators)) {
            return NullDecorator::instance();
        }

        if (count($decorators) === 1) {
            $decorator = $decorators[0];
        } else {
            $decorator = new CompositeDecorator($decorators);
        }

        $filter = $this->buildFilter($config);
        if ($filter) {
            $decorator = new FilteringDecorator($decorator, $filter);
        }

        return $decorator;
    }

    /**
     * @param string $config
     * @return NamespaceInterface
     */
    protected function buildNamespace($config)
    {
        switch($config) {
            case 'php':
                return new RootNamespace();
            case 'flat':
                return new FlatNamespace();
            case 'entities':
                return new DoctrineNamespace($this->entityManager->getConfiguration()->getEntityNamespaces());
            case 'bundles':
                return new BundleNamespace($this->bundles);
        }
    }

    /**
     * @param array $config
     * @return ClassFilterInterface|null
     */
    protected function buildFilter(array $config)
    {
        $filters = array_merge(
            isset($config['include']) ? $this->buildSubFilters($config['include'], false) : [],
            isset($config['exclude']) ? $this->buildSubFilters($config['exclude'], true) : []
        );

        switch(count($filters)) {
            case 0:
                return null;
            case 1:
                return $filters[0];
            default:
                return new AllFilter($filters);
        }
    }

    /**
     * @param array $config
     * @param boolean $notFound
     * @return ClassFilterInterface|null
     */
    protected function buildSubFilters(array $config, $notFound)
    {
        $filters = [];

        if (!empty($config['directories'])) {
            $paths = $this->parseDirectories($config['directories']);
            $filters[] = new DirectoryFilter($paths, $notFound);
        }

        if (!empty($config['namespaces'])) {
            $namespaces = $this->parseNamespaces($config['namespaces']);
            $filters[] = new NamespaceFilter($namespaces, $notFound);
        }

        return $filters;
    }

    /**
     * @param array $paths
     * @return array
     */
    protected function parseDirectories(array $paths)
    {
        $actualPaths = [];
        foreach($paths as $path) {
            if (preg_match('/^@(\w+)(.*)$/', $path, $groups)) {
                $bundle = $this->kernel->getBundle($groups[1]);
                $path = $bundle->getPath() . $groups[2];
            }
            $actualPaths[] = realpath($path);
        }
        return $actualPaths;
    }

    /**
     * @param array $paths
     * @return array
     */
    protected function parseNamespaces(array $namespaces)
    {
        $actualNamespaces = [];
        foreach($namespaces as $namespace) {
            if (preg_match('/^@(\w+)(.*)$/', $namespace, $groups)) {
                $bundle = $this->kernel->getBundle($groups[1]);
                $namespace = $bundle->getNamespace() . $groups[2];
            }
            $actualNamespaces[] = $namespace;
        }
        return $actualNamespaces;
    }

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}
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function irstea_plantmul_include($filepath)
{
    @include_once($filepath);
}