From 4ea034e92e850c7658946778a1618b032f82db81 Mon Sep 17 00:00:00 2001
From: Dmitriy Simushev <simushevds@ossg.ru>
Date: Thu, 26 Dec 2013 12:06:00 +0000
Subject: [PATCH] Add class autoloader function based on PSR-0

---
 src/mibew/libs/common/autoload.php | 39 ++++++++++++++++++++++++++++++
 src/mibew/libs/init.php            |  4 +++
 2 files changed, 43 insertions(+)
 create mode 100644 src/mibew/libs/common/autoload.php

diff --git a/src/mibew/libs/common/autoload.php b/src/mibew/libs/common/autoload.php
new file mode 100644
index 00000000..97f4b539
--- /dev/null
+++ b/src/mibew/libs/common/autoload.php
@@ -0,0 +1,39 @@
+<?php
+/*
+ * Copyright 2005-2013 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Autoloader for classes which implements PSR-0 standard.
+ * @param string $class_name Fully qualified name of the class
+ */
+function class_autoload($class_name) {
+	$base_dir = MIBEW_FS_ROOT . DIRECTORY_SEPARATOR . 'libs' .
+		DIRECTORY_SEPARATOR . 'classes';
+
+    $class_name = ltrim($class_name, '\\');
+    $file_name  = '';
+    $namespace = '';
+    if ($last_ns_pos = strrpos($class_name, '\\')) {
+        $namespace = substr($class_name, 0, $last_ns_pos);
+        $class_name = substr($class_name, $last_ns_pos + 1);
+        $file_name  = str_replace('\\', DIRECTORY_SEPARATOR, $namespace) . DIRECTORY_SEPARATOR;
+    }
+    $file_name .= str_replace('_', DIRECTORY_SEPARATOR, $class_name) . '.php';
+
+    require $base_dir . DIRECTORY_SEPARATOR . $file_name;
+}
+
+?>
\ No newline at end of file
diff --git a/src/mibew/libs/init.php b/src/mibew/libs/init.php
index 2a06a277..81a16c10 100644
--- a/src/mibew/libs/init.php
+++ b/src/mibew/libs/init.php
@@ -32,6 +32,10 @@ $mibewroot = join("/", array_map("urlencode", preg_split('/\//', preg_replace('/
 // Include system constants file
 require_once(MIBEW_FS_ROOT.'/libs/common/constants.php');
 
+// Initialize classes autoloading
+require_once(MIBEW_FS_ROOT.'/libs/common/autoload.php');
+spl_autoload_register('class_autoload');
+
 // Include system classes
 require_once(MIBEW_FS_ROOT.'/libs/classes/database.php');
 require_once(MIBEW_FS_ROOT.'/libs/classes/settings.php');