[ClassLoader] Add ClassCollectionLoader::inline() to generate inlined-classes files

nicolas-grekas · nicolas-grekas · commit 2d5bd3be40ec · 2016-07-06T10:42:24.000+02:00
diff --git a/src/Symfony/Component/ClassLoader/ClassCollectionLoader.php b/src/Symfony/Component/ClassLoader/ClassCollectionLoader.php
@@ -43,9 +43,9 @@ public static function load($classes, $cacheDir, $name, $autoReload, $adaptive =
 
         self::$loaded[$name] = true;
 
-        $declared = array_merge(get_declared_classes(), get_declared_interfaces(), get_declared_traits());
-
         if ($adaptive) {
+            $declared = array_merge(get_declared_classes(), get_declared_interfaces(), get_declared_traits());
+
             // don't include already declared classes
             $classes = array_diff($classes, $declared);
 
@@ -84,18 +84,46 @@ public static function load($classes, $cacheDir, $name, $autoReload, $adaptive =
             }
         }
 
-        if (!$reload && is_file($cache)) {
+        if (!$reload && file_exists($cache)) {
             require_once $cache;
 
             return;
         }
+        if (!$adaptive) {
+            $declared = array_merge(get_declared_classes(), get_declared_interfaces(), get_declared_traits());
+        }
+
+        self::inline($classes, $cache, $declared);
+
+        if ($autoReload) {
+            // save the resources
+            self::writeCacheFile($metadata, serialize(array($files, $classes)));
+        }
+    }
+
+    /**
+     * Generates a file where classes and their parents are inlined.
+     *
+     * @param array  $classes  An array of classes to load
+     * @param string $cache    The file where classes are inlined
+     * @param array  $excluded An array of classes that won't be inlined
+     *
+     * @throws \RuntimeException When class can't be loaded
+     */
+    public static function inline($classes, $cache, array $excluded)
+    {
+        $declared = array();
+        foreach (self::getOrderedClasses($excluded) as $class) {
+            $declared[$class->getName()] = true;
+        }
 
         $files = array();
         $content = '';
         foreach (self::getOrderedClasses($classes) as $class) {
-            if (in_array($class->getName(), $declared)) {
+            if (isset($declared[$class->getName()])) {
                 continue;
             }
+            $declared[$class->getName()] = true;
 
             $files[] = $class->getFileName();
 
@@ -113,15 +141,11 @@ public static function load($classes, $cacheDir, $name, $autoReload, $adaptive =
         }
 
         // cache the core classes
+        $cacheDir = dirname($cache);
         if (!is_dir($cacheDir) && !@mkdir($cacheDir, 0777, true) && !is_dir($cacheDir)) {
             throw new \RuntimeException(sprintf('Class Collection Loader was not able to create directory "%s"', $cacheDir));
         }
         self::writeCacheFile($cache, '<?php '.$content);
-
-        if ($autoReload) {
-            // save the resources
-            self::writeCacheFile($metadata, serialize(array($files, $classes)));
-        }
     }
 
     /**
