<?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\Alias;
use Symfony\Component\DependencyInjection\Argument\IteratorArgument;
use Symfony\Component\DependencyInjection\Argument\ServiceClosureArgument;
use Symfony\Component\DependencyInjection\Argument\TaggedIteratorArgument;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\DependencyInjection\Definition;
use Symfony\Component\DependencyInjection\Exception\RuntimeException;
use Symfony\Component\DependencyInjection\Parameter;
use Symfony\Component\DependencyInjection\Reference;
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.
*
* @return string An xml string representing of the service container
*/
public function dump(array $options = [])
{
$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 https://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 $this->container->resolveEnvPlaceholders($xml);
}
private function addParameters(\DOMElement $parent)
{
$data = $this->container->getParameterBag()->all();
if (!$data) {
return;
}
if ($this->container->isCompiled()) {
$data = $this->escape($data);
}
$parameters = $this->document->createElement('parameters');
$parent->appendChild($parameters);
$this->convertParameters($data, 'parameter', $parameters);
}
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 $id
*/
private function addService($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->isShared()) {
$service->setAttribute('shared', 'false');
}
if (!$definition->isPrivate()) {
$service->setAttribute('public', $definition->isPublic() ? 'true' : 'false');
}
if ($definition->isSynthetic()) {
$service->setAttribute('synthetic', 'true');
}
if ($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)) {
if (null !== $callable[0]) {
$factory->setAttribute($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(false) as $autowiringTypeValue) {
$autowiringType = $this->document->createElement('autowiring-type');
$autowiringType->appendChild($this->document->createTextNode($autowiringTypeValue));
$service->appendChild($autowiringType);
}
if ($definition->isAutoconfigured()) {
$service->setAttribute('autoconfigure', 'true');
}
if ($definition->isAbstract()) {
$service->setAttribute('abstract', 'true');
}
if ($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 $alias
*/
private function addServiceAlias($alias, Alias $id, \DOMElement $parent)
{
$service = $this->document->createElement('service');
$service->setAttribute('id', $alias);
$service->setAttribute('alias', $id);
if (!$id->isPrivate()) {
$service->setAttribute('public', $id->isPublic() ? 'true' : 'false');
}
$parent->appendChild($service);
}
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 string $type
* @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, $key);
}
if ($value instanceof ServiceClosureArgument) {
$value = $value->getValues()[0];
}
if (\is_array($value)) {
$element->setAttribute('type', 'collection');
$this->convertParameters($value, $type, $element, 'key');
} elseif ($value instanceof TaggedIteratorArgument) {
$element->setAttribute('type', 'tagged');
$element->setAttribute('tag', $value->getTag());
} elseif ($value instanceof IteratorArgument) {
$element->setAttribute('type', 'iterator');
$this->convertParameters($value->getValues(), $type, $element, 'key');
} elseif ($value instanceof Reference) {
$element->setAttribute('type', 'service');
$element->setAttribute('id', (string) $value);
$behavior = $value->getInvalidBehavior();
if (ContainerInterface::NULL_ON_INVALID_REFERENCE == $behavior) {
$element->setAttribute('on-invalid', 'null');
} elseif (ContainerInterface::IGNORE_ON_INVALID_REFERENCE == $behavior) {
$element->setAttribute('on-invalid', 'ignore');
} elseif (ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE == $behavior) {
$element->setAttribute('on-invalid', 'ignore_uninitialized');
}
} elseif ($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, ['null', 'true', 'false'], true)) {
$element->setAttribute('type', 'string');
}
if (\is_string($value) && (is_numeric($value) || preg_match('/^0b[01]*$/', $value) || preg_match('/^0x[0-9a-f]++$/i', $value))) {
$element->setAttribute('type', 'string');
}
$text = $this->document->createTextNode(self::phpToXml($value));
$element->appendChild($text);
}
$parent->appendChild($element);
}
}
/**
* Escapes arguments.
*
* @return array
*/
private function escape(array $arguments)
{
$args = [];
foreach ($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;
}
}
}