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<?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\ArgumentInterface;
use Symfony\Component\DependencyInjection\Argument\IteratorArgument;
use Symfony\Component\DependencyInjection\Argument\ServiceClosureArgument;
use Symfony\Component\DependencyInjection\Argument\ServiceLocatorArgument;
use Symfony\Component\DependencyInjection\Argument\TaggedIteratorArgument;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\DependencyInjection\Definition;
use Symfony\Component\DependencyInjection\Exception\LogicException;
use Symfony\Component\DependencyInjection\Exception\RuntimeException;
use Symfony\Component\DependencyInjection\Parameter;
use Symfony\Component\DependencyInjection\Reference;
use Symfony\Component\ExpressionLanguage\Expression;
use Symfony\Component\Yaml\Dumper as YmlDumper;
use Symfony\Component\Yaml\Parser;
use Symfony\Component\Yaml\Tag\TaggedValue;
use Symfony\Component\Yaml\Yaml;
/**
* YamlDumper dumps a service container as a YAML string.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class YamlDumper extends Dumper
{
private $dumper;
/**
* Dumps the service container as an YAML string.
*
* @return string A YAML string representing of the service container
*/
public function dump(array $options = [])
{
if (!class_exists('Symfony\Component\Yaml\Dumper')) {
throw new LogicException('Unable to dump the container as the Symfony Yaml Component is not installed.');
}
if (null === $this->dumper) {
$this->dumper = new YmlDumper();
}
return $this->container->resolveEnvPlaceholders($this->addParameters()."\n".$this->addServices());
}
private function addService(string $id, Definition $definition): string
{
$code = " $id:\n";
if ($class = $definition->getClass()) {
if ('\\' === substr($class, 0, 1)) {
$class = substr($class, 1);
}
$code .= sprintf(" class: %s\n", $this->dumper->dump($class));
}
if (!$definition->isPrivate()) {
$code .= sprintf(" public: %s\n", $definition->isPublic() ? 'true' : 'false');
}
$tagsCode = '';
foreach ($definition->getTags() as $name => $tags) {
foreach ($tags as $attributes) {
$att = [];
foreach ($attributes as $key => $value) {
$att[] = sprintf('%s: %s', $this->dumper->dump($key), $this->dumper->dump($value));
}
$att = $att ? ', '.implode(', ', $att) : '';
$tagsCode .= sprintf(" - { name: %s%s }\n", $this->dumper->dump($name), $att);
}
}
if ($tagsCode) {
$code .= " tags:\n".$tagsCode;
}
if ($definition->getFile()) {
$code .= sprintf(" file: %s\n", $this->dumper->dump($definition->getFile()));
}
if ($definition->isSynthetic()) {
$code .= " synthetic: true\n";
}
if ($definition->isDeprecated()) {
$code .= sprintf(" deprecated: %s\n", $this->dumper->dump($definition->getDeprecationMessage('%service_id%')));
}
if ($definition->isAutowired()) {
$code .= " autowire: true\n";
}
if ($definition->isAutoconfigured()) {
$code .= " autoconfigure: true\n";
}
if ($definition->isAbstract()) {
$code .= " abstract: true\n";
}
if ($definition->isLazy()) {
$code .= " lazy: true\n";
}
if ($definition->getArguments()) {
$code .= sprintf(" arguments: %s\n", $this->dumper->dump($this->dumpValue($definition->getArguments()), 0));
}
if ($definition->getProperties()) {
$code .= sprintf(" properties: %s\n", $this->dumper->dump($this->dumpValue($definition->getProperties()), 0));
}
if ($definition->getMethodCalls()) {
$code .= sprintf(" calls:\n%s\n", $this->dumper->dump($this->dumpValue($definition->getMethodCalls()), 1, 12));
}
if (!$definition->isShared()) {
$code .= " shared: false\n";
}
if (null !== $decorated = $definition->getDecoratedService()) {
list($decorated, $renamedId, $priority) = $decorated;
$code .= sprintf(" decorates: %s\n", $decorated);
if (null !== $renamedId) {
$code .= sprintf(" decoration_inner_name: %s\n", $renamedId);
}
if (0 !== $priority) {
$code .= sprintf(" decoration_priority: %s\n", $priority);
}
}
if ($callable = $definition->getFactory()) {
$code .= sprintf(" factory: %s\n", $this->dumper->dump($this->dumpCallable($callable), 0));
}
if ($callable = $definition->getConfigurator()) {
$code .= sprintf(" configurator: %s\n", $this->dumper->dump($this->dumpCallable($callable), 0));
}
return $code;
}
private function addServiceAlias(string $alias, Alias $id): string
{
$deprecated = $id->isDeprecated() ? sprintf(" deprecated: %s\n", $id->getDeprecationMessage('%alias_id%')) : '';
if ($id->isPrivate()) {
return sprintf(" %s: '@%s'\n%s", $alias, $id, $deprecated);
}
return sprintf(" %s:\n alias: %s\n public: %s\n%s", $alias, $id, $id->isPublic() ? 'true' : 'false', $deprecated);
}
private function addServices(): string
{
if (!$this->container->getDefinitions()) {
return '';
}
$code = "services:\n";
foreach ($this->container->getDefinitions() as $id => $definition) {
$code .= $this->addService($id, $definition);
}
$aliases = $this->container->getAliases();
foreach ($aliases as $alias => $id) {
while (isset($aliases[(string) $id])) {
$id = $aliases[(string) $id];
}
$code .= $this->addServiceAlias($alias, $id);
}
return $code;
}
private function addParameters(): string
{
if (!$this->container->getParameterBag()->all()) {
return '';
}
$parameters = $this->prepareParameters($this->container->getParameterBag()->all(), $this->container->isCompiled());
return $this->dumper->dump(['parameters' => $parameters], 2);
}
/**
* Dumps callable to YAML format.
*
* @param callable $callable
*
* @return callable
*/
private function dumpCallable($callable)
{
if (\is_array($callable)) {
if ($callable[0] instanceof Reference) {
$callable = [$this->getServiceCall((string) $callable[0], $callable[0]), $callable[1]];
} else {
$callable = [$callable[0], $callable[1]];
}
}
return $callable;
}
/**
* Dumps the value to YAML format.
*
* @param mixed $value
*
* @return mixed
*
* @throws RuntimeException When trying to dump object or resource
*/
private function dumpValue($value)
{
if ($value instanceof ServiceClosureArgument) {
$value = $value->getValues()[0];
}
if ($value instanceof ArgumentInterface) {
$tag = $value;
if ($value instanceof TaggedIteratorArgument || ($value instanceof ServiceLocatorArgument && $tag = $value->getTaggedIteratorArgument())) {
if (null === $tag->getIndexAttribute()) {
$content = $tag->getTag();
} else {
$content = [
'tag' => $tag->getTag(),
'index_by' => $tag->getIndexAttribute(),
];
if (null !== $tag->getDefaultIndexMethod()) {
$content['default_index_method'] = $tag->getDefaultIndexMethod();
}
}
return new TaggedValue($value instanceof TaggedIteratorArgument ? 'tagged' : 'tagged_locator', $content);
}
if ($value instanceof IteratorArgument) {
$tag = 'iterator';
} elseif ($value instanceof ServiceLocatorArgument) {
$tag = 'service_locator';
} else {
throw new RuntimeException(sprintf('Unspecified Yaml tag for type "%s".', \get_class($value)));
}
return new TaggedValue($tag, $this->dumpValue($value->getValues()));
}
if (\is_array($value)) {
$code = [];
foreach ($value as $k => $v) {
$code[$k] = $this->dumpValue($v);
}
return $code;
} elseif ($value instanceof Reference) {
return $this->getServiceCall((string) $value, $value);
} elseif ($value instanceof Parameter) {
return $this->getParameterCall((string) $value);
} elseif ($value instanceof Expression) {
return $this->getExpressionCall((string) $value);
} elseif ($value instanceof Definition) {
return new TaggedValue('service', (new Parser())->parse("_:\n".$this->addService('_', $value), Yaml::PARSE_CUSTOM_TAGS)['_']['_']);
} elseif (\is_object($value) || \is_resource($value)) {
throw new RuntimeException('Unable to dump a service container if a parameter is an object or a resource.');
}
return $value;
}
private function getServiceCall(string $id, Reference $reference = null): string
{
if (null !== $reference) {
switch ($reference->getInvalidBehavior()) {
case ContainerInterface::RUNTIME_EXCEPTION_ON_INVALID_REFERENCE: break;
case ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE: break;
case ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE: return sprintf('@!%s', $id);
default: return sprintf('@?%s', $id);
}
}
return sprintf('@%s', $id);
}
private function getParameterCall(string $id): string
{
return sprintf('%%%s%%', $id);
}
private function getExpressionCall($expression)
{
return sprintf('@=%s', $expression);
}
private function prepareParameters(array $parameters, bool $escape = true): array
{
$filtered = [];
foreach ($parameters as $key => $value) {
if (\is_array($value)) {
$value = $this->prepareParameters($value, $escape);
} elseif ($value instanceof Reference || \is_string($value) && 0 === strpos($value, '@')) {
$value = '@'.$value;
}
$filtered[$key] = $value;
}
return $escape ? $this->escape($filtered) : $filtered;
}
private function escape(array $arguments): array
{
$args = [];
foreach ($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;
}
}
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