Version 1

[yaffs-website] / vendor / symfony / config / Definition / Processor.php

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