98 lines
2.8 KiB
PHP
98 lines
2.8 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@symfony.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\Config\Definition;
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/**
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* This class is the entry point for config normalization/merging/finalization.
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*
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* @author Johannes M. Schmitt <schmittjoh@gmail.com>
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*/
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class Processor
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{
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/**
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* Processes an array of configurations.
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*
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* @param NodeInterface $configTree The node tree describing the configuration
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* @param array $configs An array of configuration items to process
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*
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* @return array The processed configuration
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*/
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public function process(NodeInterface $configTree, array $configs)
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{
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$currentConfig = array();
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foreach ($configs as $config) {
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$config = $configTree->normalize($config);
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$currentConfig = $configTree->merge($currentConfig, $config);
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}
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return $configTree->finalize($currentConfig);
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}
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/**
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* Processes an array of configurations.
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*
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* @param ConfigurationInterface $configuration The configuration class
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* @param array $configs An array of configuration items to process
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*
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* @return array The processed configuration
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*/
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public function processConfiguration(ConfigurationInterface $configuration, array $configs)
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{
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return $this->process($configuration->getConfigTreeBuilder()->buildTree(), $configs);
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}
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/**
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* Normalizes a configuration entry.
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*
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* This method returns a normalize configuration array for a given key
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* to remove the differences due to the original format (YAML and XML mainly).
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*
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* Here is an example.
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*
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* The configuration in XML:
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*
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* <twig:extension>twig.extension.foo</twig:extension>
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* <twig:extension>twig.extension.bar</twig:extension>
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*
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* And the same configuration in YAML:
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*
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* extensions: ['twig.extension.foo', 'twig.extension.bar']
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*
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* @param array $config A config array
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* @param string $key The key to normalize
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* @param string $plural The plural form of the key if it is irregular
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*
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* @return array
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*/
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public static function normalizeConfig($config, $key, $plural = null)
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{
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if (null === $plural) {
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$plural = $key.'s';
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}
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if (isset($config[$plural])) {
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return $config[$plural];
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}
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if (isset($config[$key])) {
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if (is_string($config[$key]) || !is_int(key($config[$key]))) {
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// only one
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return array($config[$key]);
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}
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return $config[$key];
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}
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return array();
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}
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}
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