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