added support for glob loaders in Config

Author: fabpot

Loader/FileLoader.php

@@ -14,6 +14,9 @@
 use Symfony\Component\Config\FileLocatorInterface;
 use Symfony\Component\Config\Exception\FileLoaderLoadException;
 use Symfony\Component\Config\Exception\FileLoaderImportCircularReferenceException;
+use Symfony\Component\Config\Exception\FileLocatorFileNotFoundException;
+use Symfony\Component\Finder\Finder;
+use Symfony\Component\Finder\Glob;
 
 /**
  * FileLoader is the abstract class used by all built-in loaders that are file based.
@@ -32,7 +35,7 @@ abstract class FileLoader extends Loader
      */
     protected $locator;
 
-    protected $currentDir;
+    private $currentDir;
 
     /**
      * Constructor.
@@ -78,6 +81,87 @@ public function getLocator()
      * @throws FileLoaderImportCircularReferenceException
      */
     public function import($resource, $type = null, $ignoreErrors = false, $sourceResource = null)
+    {
+        $ret = array();
+        $ct = 0;
+        foreach ($this->glob($resource, false, $_, $ignoreErrors) as $resource => $info) {
+            ++$ct;
+            $ret[] = $this->doImport($resource, $type, $ignoreErrors, $sourceResource);
+        }
+
+        return $ct > 1 ? $ret : isset($ret[0]) ? $ret[0] : null;
+    }
+
+    /**
+     * @internal
+     */
+    protected function glob($resource, $recursive, &$prefix = null, $ignoreErrors = false)
+    {
+        if (strlen($resource) === $i = strcspn($resource, '*?{[')) {
+            if (!$recursive) {
+                $prefix = null;
+
+                yield $resource => new \SplFileInfo($resource);
+
+                return;
+            }
+            $prefix = $resource;
+            $resource = '';
+        } elseif (0 === $i) {
+            $prefix = '.';
+            $resource = '/'.$resource;
+        } else {
+            $prefix = dirname(substr($resource, 0, 1 + $i));
+            $resource = substr($resource, strlen($prefix));
+        }
+
+        try {
+            $prefix = $this->locator->locate($prefix, $this->currentDir, true);
+        } catch (FileLocatorFileNotFoundException $e) {
+            if (!$ignoreErrors) {
+                throw $e;
+            }
+
+            return;
+        }
+        $prefix = realpath($prefix) ?: $prefix;
+
+        if (false === strpos($resource, '/**/') && (defined('GLOB_BRACE') || false === strpos($resource, '{'))) {
+            foreach (glob($prefix.$resource, defined('GLOB_BRACE') ? GLOB_BRACE : 0) as $path) {
+                if ($recursive && is_dir($path)) {
+                    $flags = \FilesystemIterator::SKIP_DOTS | \FilesystemIterator::FOLLOW_SYMLINKS;
+                    foreach (new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($path, $flags)) as $path => $info) {
+                        if ($info->isFile()) {
+                            yield $path => $info;
+                        }
+                    }
+                } elseif (is_file($path)) {
+                    yield $path => new \SplFileInfo($path);
+                }
+            }
+
+            return;
+        }
+
+        if (!class_exists(Finder::class)) {
+            throw new LogicException(sprintf('Extended glob pattern "%s" cannot be used as the Finder component is not installed.', $resource));
+        }
+
+        $finder = new Finder();
+        $regex = Glob::toRegex($resource);
+        if ($recursive) {
+            $regex = substr_replace($regex, '(/|$)', -2, 1);
+        }
+
+        $prefixLen = strlen($prefix);
+        foreach ($finder->followLinks()->in($prefix) as $path => $info) {
+            if (preg_match($regex, substr($path, $prefixLen)) && $info->isFile()) {
+                yield $path => $info;
+            }
+        }
+    }
+
+    private function doImport($resource, $type = null, $ignoreErrors = false, $sourceResource = null)
     {
         try {
             $loader = $this->resolve($resource, $type);

Loader/GlobFileLoader.php

@@ -0,0 +1,36 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Config\Loader;
+
+/**
+ * GlobFileLoader loads files from a glob pattern.
+ *
+ * @author Fabien Potencier <[email protected]>
+ */
+class GlobFileLoader extends FileLoader
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function load($resource, $type = null)
+    {
+        return $this->import($resource, null, true);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function supports($resource, $type = null)
+    {
+        return 'glob' === $type;
+    }
+}