465 lines
18 KiB
PHP
465 lines
18 KiB
PHP
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Routing\Loader;
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use Symfony\Component\Config\Loader\FileLoader;
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use Symfony\Component\Config\Resource\FileResource;
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use Symfony\Component\Config\Util\XmlUtils;
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use Symfony\Component\Routing\Loader\Configurator\Traits\HostTrait;
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use Symfony\Component\Routing\Loader\Configurator\Traits\LocalizedRouteTrait;
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use Symfony\Component\Routing\Loader\Configurator\Traits\PrefixTrait;
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use Symfony\Component\Routing\RouteCollection;
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/**
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* XmlFileLoader loads XML routing files.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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* @author Tobias Schultze <http://tobion.de>
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*/
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class XmlFileLoader extends FileLoader
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{
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use HostTrait;
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use LocalizedRouteTrait;
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use PrefixTrait;
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public const NAMESPACE_URI = 'http://symfony.com/schema/routing';
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public const SCHEME_PATH = '/schema/routing/routing-1.0.xsd';
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/**
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* @throws \InvalidArgumentException when the file cannot be loaded or when the XML cannot be
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* parsed because it does not validate against the scheme
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*/
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public function load(mixed $file, string $type = null): RouteCollection
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{
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$path = $this->locator->locate($file);
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$xml = $this->loadFile($path);
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$collection = new RouteCollection();
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$collection->addResource(new FileResource($path));
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// process routes and imports
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foreach ($xml->documentElement->childNodes as $node) {
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if (!$node instanceof \DOMElement) {
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continue;
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}
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$this->parseNode($collection, $node, $path, $file);
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}
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return $collection;
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}
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/**
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* Parses a node from a loaded XML file.
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*
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* @throws \InvalidArgumentException When the XML is invalid
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*/
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protected function parseNode(RouteCollection $collection, \DOMElement $node, string $path, string $file)
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{
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if (self::NAMESPACE_URI !== $node->namespaceURI) {
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return;
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}
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switch ($node->localName) {
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case 'route':
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$this->parseRoute($collection, $node, $path);
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break;
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case 'import':
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$this->parseImport($collection, $node, $path, $file);
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break;
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case 'when':
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if (!$this->env || $node->getAttribute('env') !== $this->env) {
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break;
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}
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foreach ($node->childNodes as $node) {
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if ($node instanceof \DOMElement) {
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$this->parseNode($collection, $node, $path, $file);
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}
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}
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break;
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default:
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throw new \InvalidArgumentException(sprintf('Unknown tag "%s" used in file "%s". Expected "route" or "import".', $node->localName, $path));
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}
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}
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public function supports(mixed $resource, string $type = null): bool
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{
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return \is_string($resource) && 'xml' === pathinfo($resource, \PATHINFO_EXTENSION) && (!$type || 'xml' === $type);
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}
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/**
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* Parses a route and adds it to the RouteCollection.
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*
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* @throws \InvalidArgumentException When the XML is invalid
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*/
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protected function parseRoute(RouteCollection $collection, \DOMElement $node, string $path)
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{
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if ('' === $id = $node->getAttribute('id')) {
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throw new \InvalidArgumentException(sprintf('The <route> element in file "%s" must have an "id" attribute.', $path));
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}
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if ('' !== $alias = $node->getAttribute('alias')) {
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$alias = $collection->addAlias($id, $alias);
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if ($deprecationInfo = $this->parseDeprecation($node, $path)) {
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$alias->setDeprecated($deprecationInfo['package'], $deprecationInfo['version'], $deprecationInfo['message']);
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}
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return;
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}
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$schemes = preg_split('/[\s,\|]++/', $node->getAttribute('schemes'), -1, \PREG_SPLIT_NO_EMPTY);
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$methods = preg_split('/[\s,\|]++/', $node->getAttribute('methods'), -1, \PREG_SPLIT_NO_EMPTY);
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[$defaults, $requirements, $options, $condition, $paths, /* $prefixes */, $hosts] = $this->parseConfigs($node, $path);
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if (!$paths && '' === $node->getAttribute('path')) {
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throw new \InvalidArgumentException(sprintf('The <route> element in file "%s" must have a "path" attribute or <path> child nodes.', $path));
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}
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if ($paths && '' !== $node->getAttribute('path')) {
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throw new \InvalidArgumentException(sprintf('The <route> element in file "%s" must not have both a "path" attribute and <path> child nodes.', $path));
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}
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$routes = $this->createLocalizedRoute($collection, $id, $paths ?: $node->getAttribute('path'));
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$routes->addDefaults($defaults);
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$routes->addRequirements($requirements);
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$routes->addOptions($options);
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$routes->setSchemes($schemes);
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$routes->setMethods($methods);
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$routes->setCondition($condition);
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if (null !== $hosts) {
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$this->addHost($routes, $hosts);
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}
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}
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/**
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* Parses an import and adds the routes in the resource to the RouteCollection.
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*
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* @throws \InvalidArgumentException When the XML is invalid
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*/
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protected function parseImport(RouteCollection $collection, \DOMElement $node, string $path, string $file)
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{
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/** @var \DOMElement $resourceElement */
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if (!($resource = $node->getAttribute('resource') ?: null) && $resourceElement = $node->getElementsByTagName('resource')[0] ?? null) {
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$resource = [];
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/** @var \DOMAttr $attribute */
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foreach ($resourceElement->attributes as $attribute) {
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$resource[$attribute->name] = $attribute->value;
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}
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}
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if (!$resource) {
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throw new \InvalidArgumentException(sprintf('The <import> element in file "%s" must have a "resource" attribute or element.', $path));
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}
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$type = $node->getAttribute('type');
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$prefix = $node->getAttribute('prefix');
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$schemes = $node->hasAttribute('schemes') ? preg_split('/[\s,\|]++/', $node->getAttribute('schemes'), -1, \PREG_SPLIT_NO_EMPTY) : null;
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$methods = $node->hasAttribute('methods') ? preg_split('/[\s,\|]++/', $node->getAttribute('methods'), -1, \PREG_SPLIT_NO_EMPTY) : null;
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$trailingSlashOnRoot = $node->hasAttribute('trailing-slash-on-root') ? XmlUtils::phpize($node->getAttribute('trailing-slash-on-root')) : true;
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$namePrefix = $node->getAttribute('name-prefix') ?: null;
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[$defaults, $requirements, $options, $condition, /* $paths */, $prefixes, $hosts] = $this->parseConfigs($node, $path);
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if ('' !== $prefix && $prefixes) {
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throw new \InvalidArgumentException(sprintf('The <route> element in file "%s" must not have both a "prefix" attribute and <prefix> child nodes.', $path));
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}
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$exclude = [];
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foreach ($node->childNodes as $child) {
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if ($child instanceof \DOMElement && $child->localName === $exclude && self::NAMESPACE_URI === $child->namespaceURI) {
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$exclude[] = $child->nodeValue;
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}
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}
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if ($node->hasAttribute('exclude')) {
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if ($exclude) {
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throw new \InvalidArgumentException('You cannot use both the attribute "exclude" and <exclude> tags at the same time.');
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}
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$exclude = [$node->getAttribute('exclude')];
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}
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$this->setCurrentDir(\dirname($path));
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/** @var RouteCollection[] $imported */
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$imported = $this->import($resource, '' !== $type ? $type : null, false, $file, $exclude) ?: [];
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if (!\is_array($imported)) {
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$imported = [$imported];
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}
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foreach ($imported as $subCollection) {
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$this->addPrefix($subCollection, $prefixes ?: $prefix, $trailingSlashOnRoot);
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if (null !== $hosts) {
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$this->addHost($subCollection, $hosts);
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}
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if (null !== $condition) {
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$subCollection->setCondition($condition);
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}
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if (null !== $schemes) {
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$subCollection->setSchemes($schemes);
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}
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if (null !== $methods) {
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$subCollection->setMethods($methods);
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}
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if (null !== $namePrefix) {
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$subCollection->addNamePrefix($namePrefix);
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}
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$subCollection->addDefaults($defaults);
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$subCollection->addRequirements($requirements);
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$subCollection->addOptions($options);
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$collection->addCollection($subCollection);
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}
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}
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/**
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* @throws \InvalidArgumentException When loading of XML file fails because of syntax errors
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* or when the XML structure is not as expected by the scheme -
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* see validate()
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*/
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protected function loadFile(string $file): \DOMDocument
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{
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return XmlUtils::loadFile($file, __DIR__.static::SCHEME_PATH);
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}
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/**
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* Parses the config elements (default, requirement, option).
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*
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* @throws \InvalidArgumentException When the XML is invalid
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*/
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private function parseConfigs(\DOMElement $node, string $path): array
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{
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$defaults = [];
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$requirements = [];
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$options = [];
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$condition = null;
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$prefixes = [];
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$paths = [];
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$hosts = [];
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/** @var \DOMElement $n */
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foreach ($node->getElementsByTagNameNS(self::NAMESPACE_URI, '*') as $n) {
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if ($node !== $n->parentNode) {
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continue;
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}
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switch ($n->localName) {
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case 'path':
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$paths[$n->getAttribute('locale')] = trim($n->textContent);
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break;
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case 'host':
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$hosts[$n->getAttribute('locale')] = trim($n->textContent);
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break;
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case 'prefix':
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$prefixes[$n->getAttribute('locale')] = trim($n->textContent);
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break;
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case 'default':
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if ($this->isElementValueNull($n)) {
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$defaults[$n->getAttribute('key')] = null;
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} else {
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$defaults[$n->getAttribute('key')] = $this->parseDefaultsConfig($n, $path);
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}
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break;
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case 'requirement':
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$requirements[$n->getAttribute('key')] = trim($n->textContent);
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break;
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case 'option':
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$options[$n->getAttribute('key')] = XmlUtils::phpize(trim($n->textContent));
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break;
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case 'condition':
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$condition = trim($n->textContent);
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break;
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case 'resource':
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break;
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default:
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throw new \InvalidArgumentException(sprintf('Unknown tag "%s" used in file "%s". Expected "default", "requirement", "option" or "condition".', $n->localName, $path));
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}
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}
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if ($controller = $node->getAttribute('controller')) {
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if (isset($defaults['_controller'])) {
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$name = $node->hasAttribute('id') ? sprintf('"%s".', $node->getAttribute('id')) : sprintf('the "%s" tag.', $node->tagName);
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throw new \InvalidArgumentException(sprintf('The routing file "%s" must not specify both the "controller" attribute and the defaults key "_controller" for ', $path).$name);
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}
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$defaults['_controller'] = $controller;
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}
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if ($node->hasAttribute('locale')) {
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$defaults['_locale'] = $node->getAttribute('locale');
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}
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if ($node->hasAttribute('format')) {
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$defaults['_format'] = $node->getAttribute('format');
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}
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if ($node->hasAttribute('utf8')) {
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$options['utf8'] = XmlUtils::phpize($node->getAttribute('utf8'));
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}
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if ($stateless = $node->getAttribute('stateless')) {
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if (isset($defaults['_stateless'])) {
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$name = $node->hasAttribute('id') ? sprintf('"%s".', $node->getAttribute('id')) : sprintf('the "%s" tag.', $node->tagName);
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throw new \InvalidArgumentException(sprintf('The routing file "%s" must not specify both the "stateless" attribute and the defaults key "_stateless" for ', $path).$name);
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}
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$defaults['_stateless'] = XmlUtils::phpize($stateless);
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}
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if (!$hosts) {
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$hosts = $node->hasAttribute('host') ? $node->getAttribute('host') : null;
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}
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return [$defaults, $requirements, $options, $condition, $paths, $prefixes, $hosts];
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}
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/**
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* Parses the "default" elements.
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*/
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private function parseDefaultsConfig(\DOMElement $element, string $path): array|bool|float|int|string|null
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{
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if ($this->isElementValueNull($element)) {
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return null;
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}
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// Check for existing element nodes in the default element. There can
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// only be a single element inside a default element. So this element
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// (if one was found) can safely be returned.
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foreach ($element->childNodes as $child) {
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if (!$child instanceof \DOMElement) {
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continue;
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}
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if (self::NAMESPACE_URI !== $child->namespaceURI) {
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continue;
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}
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return $this->parseDefaultNode($child, $path);
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}
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// If the default element doesn't contain a nested "bool", "int", "float",
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// "string", "list", or "map" element, the element contents will be treated
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// as the string value of the associated default option.
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return trim($element->textContent);
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}
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/**
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||
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* Recursively parses the value of a "default" element.
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||
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*
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||
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* @throws \InvalidArgumentException when the XML is invalid
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||
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*/
|
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|
|
private function parseDefaultNode(\DOMElement $node, string $path): array|bool|float|int|string|null
|
||
|
|
{
|
||
|
|
if ($this->isElementValueNull($node)) {
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
|
||
|
|
switch ($node->localName) {
|
||
|
|
case 'bool':
|
||
|
|
return 'true' === trim($node->nodeValue) || '1' === trim($node->nodeValue);
|
||
|
|
case 'int':
|
||
|
|
return (int) trim($node->nodeValue);
|
||
|
|
case 'float':
|
||
|
|
return (float) trim($node->nodeValue);
|
||
|
|
case 'string':
|
||
|
|
return trim($node->nodeValue);
|
||
|
|
case 'list':
|
||
|
|
$list = [];
|
||
|
|
|
||
|
|
foreach ($node->childNodes as $element) {
|
||
|
|
if (!$element instanceof \DOMElement) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (self::NAMESPACE_URI !== $element->namespaceURI) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
$list[] = $this->parseDefaultNode($element, $path);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $list;
|
||
|
|
case 'map':
|
||
|
|
$map = [];
|
||
|
|
|
||
|
|
foreach ($node->childNodes as $element) {
|
||
|
|
if (!$element instanceof \DOMElement) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (self::NAMESPACE_URI !== $element->namespaceURI) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
$map[$element->getAttribute('key')] = $this->parseDefaultNode($element, $path);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $map;
|
||
|
|
default:
|
||
|
|
throw new \InvalidArgumentException(sprintf('Unknown tag "%s" used in file "%s". Expected "bool", "int", "float", "string", "list", or "map".', $node->localName, $path));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private function isElementValueNull(\DOMElement $element): bool
|
||
|
|
{
|
||
|
|
$namespaceUri = 'http://www.w3.org/2001/XMLSchema-instance';
|
||
|
|
|
||
|
|
if (!$element->hasAttributeNS($namespaceUri, 'nil')) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 'true' === $element->getAttributeNS($namespaceUri, 'nil') || '1' === $element->getAttributeNS($namespaceUri, 'nil');
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Parses the deprecation elements.
|
||
|
|
*
|
||
|
|
* @throws \InvalidArgumentException When the XML is invalid
|
||
|
|
*/
|
||
|
|
private function parseDeprecation(\DOMElement $node, string $path): array
|
||
|
|
{
|
||
|
|
$deprecatedNode = null;
|
||
|
|
foreach ($node->childNodes as $child) {
|
||
|
|
if (!$child instanceof \DOMElement || self::NAMESPACE_URI !== $child->namespaceURI) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
if ('deprecated' !== $child->localName) {
|
||
|
|
throw new \InvalidArgumentException(sprintf('Invalid child element "%s" defined for alias "%s" in "%s".', $child->localName, $node->getAttribute('id'), $path));
|
||
|
|
}
|
||
|
|
|
||
|
|
$deprecatedNode = $child;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (null === $deprecatedNode) {
|
||
|
|
return [];
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!$deprecatedNode->hasAttribute('package')) {
|
||
|
|
throw new \InvalidArgumentException(sprintf('The <deprecated> element in file "%s" must have a "package" attribute.', $path));
|
||
|
|
}
|
||
|
|
if (!$deprecatedNode->hasAttribute('version')) {
|
||
|
|
throw new \InvalidArgumentException(sprintf('The <deprecated> element in file "%s" must have a "version" attribute.', $path));
|
||
|
|
}
|
||
|
|
|
||
|
|
return [
|
||
|
|
'package' => $deprecatedNode->getAttribute('package'),
|
||
|
|
'version' => $deprecatedNode->getAttribute('version'),
|
||
|
|
'message' => trim($deprecatedNode->nodeValue),
|
||
|
|
];
|
||
|
|
}
|
||
|
|
}
|