97 lines
3.1 KiB
PHP
97 lines
3.1 KiB
PHP
<?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.potencier@symfony-project.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\DependencyInjection\Compiler;
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use Symfony\Component\DependencyInjection\ContainerBuilder;
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/**
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* Resolves all parameter placeholders "%somevalue%" to their real values.
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*
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* @author Johannes M. Schmitt <schmittjoh@gmail.com>
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*/
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class ResolveParameterPlaceHoldersPass implements CompilerPassInterface
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{
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protected $parameterBag;
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public function process(ContainerBuilder $container)
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{
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$this->parameterBag = $container->getParameterBag();
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foreach ($container->getDefinitions() as $definition) {
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$definition->setClass($this->resolveValue($definition->getClass()));
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$definition->setFile($this->resolveValue($definition->getFile()));
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$definition->setArguments($this->resolveValue($definition->getArguments()));
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$calls = array();
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foreach ($definition->getMethodCalls() as $name => $arguments) {
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$calls[$this->resolveValue($name)] = $this->resolveValue($arguments);
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}
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$definition->setMethodCalls($calls);
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}
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$aliases = array();
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foreach ($container->getAliases() as $name => $target) {
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$aliases[$this->resolveValue($name)] = $this->resolveValue($target);
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}
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$container->setAliases($aliases);
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$injectors = array();
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foreach ($container->getInterfaceInjectors() as $class => $injector) {
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$injector->setClass($this->resolveValue($injector->getClass()));
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$injectors[$this->resolveValue($class)] = $injector;
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}
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$container->setInterfaceInjectors($injectors);
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$parameterBag = $container->getParameterBag();
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foreach ($parameterBag->all() as $key => $value) {
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$parameterBag->set($key, $this->resolveValue($value));
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}
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}
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protected function resolveValue($value)
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{
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if (is_array($value)) {
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$resolved = array();
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foreach ($value as $k => $v) {
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$resolved[$this->resolveValue($k)] = $this->resolveValue($v);
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}
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return $resolved;
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} else if (is_string($value)) {
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return $this->resolveString($value);
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} else {
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return $value;
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}
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}
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public function resolveString($value)
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{
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if (preg_match('/^%[^%]+%$/', $value)) {
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return $this->resolveValue($this->parameterBag->resolveValue($value));
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}
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$self = $this;
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$parameterBag = $this->parameterBag;
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return preg_replace_callback('/(?<!%)%[^%]+%/',
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function($parameter) use ($self, $parameterBag) {
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$resolved = $parameterBag->resolveValue($parameter[0]);
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if (!is_string($resolved)) {
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throw new \RuntimeException('You can only embed strings in other parameters.');
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}
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return $self->resolveString($resolved);
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},
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$value
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);
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}
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}
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