--- /dev/null
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\DependencyInjection\Dumper;
+
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\DependencyInjection\Parameter;
+use Symfony\Component\DependencyInjection\Reference;
+use Symfony\Component\DependencyInjection\Definition;
+use Symfony\Component\DependencyInjection\Alias;
+use Symfony\Component\DependencyInjection\Exception\RuntimeException;
+use Symfony\Component\ExpressionLanguage\Expression;
+
+/**
+ * XmlDumper dumps a service container as an XML string.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ * @author Martin HasoĊ <martin.hason@gmail.com>
+ */
+class XmlDumper extends Dumper
+{
+ /**
+ * @var \DOMDocument
+ */
+ private $document;
+
+ /**
+ * Dumps the service container as an XML string.
+ *
+ * @param array $options An array of options
+ *
+ * @return string An xml string representing of the service container
+ */
+ public function dump(array $options = array())
+ {
+ $this->document = new \DOMDocument('1.0', 'utf-8');
+ $this->document->formatOutput = true;
+
+ $container = $this->document->createElementNS('http://symfony.com/schema/dic/services', 'container');
+ $container->setAttribute('xmlns:xsi', 'http://www.w3.org/2001/XMLSchema-instance');
+ $container->setAttribute('xsi:schemaLocation', 'http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd');
+
+ $this->addParameters($container);
+ $this->addServices($container);
+
+ $this->document->appendChild($container);
+ $xml = $this->document->saveXML();
+ $this->document = null;
+
+ return $xml;
+ }
+
+ /**
+ * Adds parameters.
+ *
+ * @param \DOMElement $parent
+ */
+ private function addParameters(\DOMElement $parent)
+ {
+ $data = $this->container->getParameterBag()->all();
+ if (!$data) {
+ return;
+ }
+
+ if ($this->container->isFrozen()) {
+ $data = $this->escape($data);
+ }
+
+ $parameters = $this->document->createElement('parameters');
+ $parent->appendChild($parameters);
+ $this->convertParameters($data, 'parameter', $parameters);
+ }
+
+ /**
+ * Adds method calls.
+ *
+ * @param array $methodcalls
+ * @param \DOMElement $parent
+ */
+ private function addMethodCalls(array $methodcalls, \DOMElement $parent)
+ {
+ foreach ($methodcalls as $methodcall) {
+ $call = $this->document->createElement('call');
+ $call->setAttribute('method', $methodcall[0]);
+ if (count($methodcall[1])) {
+ $this->convertParameters($methodcall[1], 'argument', $call);
+ }
+ $parent->appendChild($call);
+ }
+ }
+
+ /**
+ * Adds a service.
+ *
+ * @param Definition $definition
+ * @param string $id
+ * @param \DOMElement $parent
+ */
+ private function addService($definition, $id, \DOMElement $parent)
+ {
+ $service = $this->document->createElement('service');
+ if (null !== $id) {
+ $service->setAttribute('id', $id);
+ }
+ if ($class = $definition->getClass()) {
+ if ('\\' === substr($class, 0, 1)) {
+ $class = substr($class, 1);
+ }
+
+ $service->setAttribute('class', $class);
+ }
+ if ($definition->getFactoryMethod(false)) {
+ $service->setAttribute('factory-method', $definition->getFactoryMethod(false));
+ }
+ if ($definition->getFactoryClass(false)) {
+ $service->setAttribute('factory-class', $definition->getFactoryClass(false));
+ }
+ if ($definition->getFactoryService(false)) {
+ $service->setAttribute('factory-service', $definition->getFactoryService(false));
+ }
+ if (!$definition->isShared()) {
+ $service->setAttribute('shared', 'false');
+ }
+ if (ContainerInterface::SCOPE_CONTAINER !== $scope = $definition->getScope(false)) {
+ $service->setAttribute('scope', $scope);
+ }
+ if (!$definition->isPublic()) {
+ $service->setAttribute('public', 'false');
+ }
+ if ($definition->isSynthetic()) {
+ $service->setAttribute('synthetic', 'true');
+ }
+ if ($definition->isSynchronized(false)) {
+ $service->setAttribute('synchronized', 'true');
+ }
+ if ($definition->isLazy()) {
+ $service->setAttribute('lazy', 'true');
+ }
+ if (null !== $decorated = $definition->getDecoratedService()) {
+ list($decorated, $renamedId, $priority) = $decorated;
+ $service->setAttribute('decorates', $decorated);
+ if (null !== $renamedId) {
+ $service->setAttribute('decoration-inner-name', $renamedId);
+ }
+ if (0 !== $priority) {
+ $service->setAttribute('decoration-priority', $priority);
+ }
+ }
+
+ foreach ($definition->getTags() as $name => $tags) {
+ foreach ($tags as $attributes) {
+ $tag = $this->document->createElement('tag');
+ $tag->setAttribute('name', $name);
+ foreach ($attributes as $key => $value) {
+ $tag->setAttribute($key, $value);
+ }
+ $service->appendChild($tag);
+ }
+ }
+
+ if ($definition->getFile()) {
+ $file = $this->document->createElement('file');
+ $file->appendChild($this->document->createTextNode($definition->getFile()));
+ $service->appendChild($file);
+ }
+
+ if ($parameters = $definition->getArguments()) {
+ $this->convertParameters($parameters, 'argument', $service);
+ }
+
+ if ($parameters = $definition->getProperties()) {
+ $this->convertParameters($parameters, 'property', $service, 'name');
+ }
+
+ $this->addMethodCalls($definition->getMethodCalls(), $service);
+
+ if ($callable = $definition->getFactory()) {
+ $factory = $this->document->createElement('factory');
+
+ if (is_array($callable) && $callable[0] instanceof Definition) {
+ $this->addService($callable[0], null, $factory);
+ $factory->setAttribute('method', $callable[1]);
+ } elseif (is_array($callable)) {
+ $factory->setAttribute($callable[0] instanceof Reference ? 'service' : 'class', $callable[0]);
+ $factory->setAttribute('method', $callable[1]);
+ } else {
+ $factory->setAttribute('function', $callable);
+ }
+ $service->appendChild($factory);
+ }
+
+ if ($definition->isDeprecated()) {
+ $deprecated = $this->document->createElement('deprecated');
+ $deprecated->appendChild($this->document->createTextNode($definition->getDeprecationMessage('%service_id%')));
+
+ $service->appendChild($deprecated);
+ }
+
+ if ($definition->isAutowired()) {
+ $service->setAttribute('autowire', 'true');
+ }
+
+ foreach ($definition->getAutowiringTypes() as $autowiringTypeValue) {
+ $autowiringType = $this->document->createElement('autowiring-type');
+ $autowiringType->appendChild($this->document->createTextNode($autowiringTypeValue));
+
+ $service->appendChild($autowiringType);
+ }
+
+ if ($callable = $definition->getConfigurator()) {
+ $configurator = $this->document->createElement('configurator');
+
+ if (is_array($callable) && $callable[0] instanceof Definition) {
+ $this->addService($callable[0], null, $configurator);
+ $configurator->setAttribute('method', $callable[1]);
+ } elseif (is_array($callable)) {
+ $configurator->setAttribute($callable[0] instanceof Reference ? 'service' : 'class', $callable[0]);
+ $configurator->setAttribute('method', $callable[1]);
+ } else {
+ $configurator->setAttribute('function', $callable);
+ }
+ $service->appendChild($configurator);
+ }
+
+ $parent->appendChild($service);
+ }
+
+ /**
+ * Adds a service alias.
+ *
+ * @param string $alias
+ * @param Alias $id
+ * @param \DOMElement $parent
+ */
+ private function addServiceAlias($alias, Alias $id, \DOMElement $parent)
+ {
+ $service = $this->document->createElement('service');
+ $service->setAttribute('id', $alias);
+ $service->setAttribute('alias', $id);
+ if (!$id->isPublic()) {
+ $service->setAttribute('public', 'false');
+ }
+ $parent->appendChild($service);
+ }
+
+ /**
+ * Adds services.
+ *
+ * @param \DOMElement $parent
+ */
+ private function addServices(\DOMElement $parent)
+ {
+ $definitions = $this->container->getDefinitions();
+ if (!$definitions) {
+ return;
+ }
+
+ $services = $this->document->createElement('services');
+ foreach ($definitions as $id => $definition) {
+ $this->addService($definition, $id, $services);
+ }
+
+ $aliases = $this->container->getAliases();
+ foreach ($aliases as $alias => $id) {
+ while (isset($aliases[(string) $id])) {
+ $id = $aliases[(string) $id];
+ }
+ $this->addServiceAlias($alias, $id, $services);
+ }
+ $parent->appendChild($services);
+ }
+
+ /**
+ * Converts parameters.
+ *
+ * @param array $parameters
+ * @param string $type
+ * @param \DOMElement $parent
+ * @param string $keyAttribute
+ */
+ private function convertParameters(array $parameters, $type, \DOMElement $parent, $keyAttribute = 'key')
+ {
+ $withKeys = array_keys($parameters) !== range(0, count($parameters) - 1);
+ foreach ($parameters as $key => $value) {
+ $element = $this->document->createElement($type);
+ if ($withKeys) {
+ $element->setAttribute($keyAttribute, $key);
+ }
+
+ if (is_array($value)) {
+ $element->setAttribute('type', 'collection');
+ $this->convertParameters($value, $type, $element, 'key');
+ } elseif ($value instanceof Reference) {
+ $element->setAttribute('type', 'service');
+ $element->setAttribute('id', (string) $value);
+ $behaviour = $value->getInvalidBehavior();
+ if ($behaviour == ContainerInterface::NULL_ON_INVALID_REFERENCE) {
+ $element->setAttribute('on-invalid', 'null');
+ } elseif ($behaviour == ContainerInterface::IGNORE_ON_INVALID_REFERENCE) {
+ $element->setAttribute('on-invalid', 'ignore');
+ }
+ if (!$value->isStrict(false)) {
+ $element->setAttribute('strict', 'false');
+ }
+ } elseif ($value instanceof Definition) {
+ $element->setAttribute('type', 'service');
+ $this->addService($value, null, $element);
+ } elseif ($value instanceof Expression) {
+ $element->setAttribute('type', 'expression');
+ $text = $this->document->createTextNode(self::phpToXml((string) $value));
+ $element->appendChild($text);
+ } else {
+ if (in_array($value, array('null', 'true', 'false'), true)) {
+ $element->setAttribute('type', 'string');
+ }
+ $text = $this->document->createTextNode(self::phpToXml($value));
+ $element->appendChild($text);
+ }
+ $parent->appendChild($element);
+ }
+ }
+
+ /**
+ * Escapes arguments.
+ *
+ * @param array $arguments
+ *
+ * @return array
+ */
+ private function escape(array $arguments)
+ {
+ $args = array();
+ foreach ($arguments as $k => $v) {
+ if (is_array($v)) {
+ $args[$k] = $this->escape($v);
+ } elseif (is_string($v)) {
+ $args[$k] = str_replace('%', '%%', $v);
+ } else {
+ $args[$k] = $v;
+ }
+ }
+
+ return $args;
+ }
+
+ /**
+ * Converts php types to xml types.
+ *
+ * @param mixed $value Value to convert
+ *
+ * @return string
+ *
+ * @throws RuntimeException When trying to dump object or resource
+ */
+ public static function phpToXml($value)
+ {
+ switch (true) {
+ case null === $value:
+ return 'null';
+ case true === $value:
+ return 'true';
+ case false === $value:
+ return 'false';
+ case $value instanceof Parameter:
+ return '%'.$value.'%';
+ case is_object($value) || is_resource($value):
+ throw new RuntimeException('Unable to dump a service container if a parameter is an object or a resource.');
+ default:
+ return (string) $value;
+ }
+ }
+}