created StringHelper::basename()

In contrast to php function basename() It that always uses \ and /
as directory separator.
It is needed for use on Classnames that contain namespaces.
Fixes #192

framework/db/ActiveRecord.php

@@ -252,7 +252,7 @@ class ActiveRecord extends Model
 	 */
 	public static function tableName()
 	{
-		return 'tbl_' . StringHelper::camel2id(basename(get_called_class()), '_');
+		return 'tbl_' . StringHelper::camel2id(StringHelper::basename(get_called_class()), '_');
 	}
 
 	/**

framework/helpers/base/StringHelper.php

@@ -44,6 +44,29 @@ class StringHelper
 	}
 
 	/**
+	 * Returns the trailing name component of a path.
+	 * This method does the same as the php function basename() except that it will
+	 * always use \ and / as directory separators, independent of the operating system.
+	 * Note: basename() operates naively on the input string, and is not aware of the
+	 * actual filesystem, or path components such as "..".
+	 * @param string $path A path string.
+	 * @param string $suffix If the name component ends in suffix this will also be cut off.
+	 * @return string the trailing name component of the given path.
+	 * @see http://www.php.net/manual/en/function.basename.php
+	 */
+	public static function basename($path, $suffix = '')
+	{
+		if (($len = mb_strlen($suffix)) > 0 && mb_substr($path, -$len) == $suffix) {
+			$path = mb_substr($path, 0, -$len);
+		}
+		$path = rtrim(str_replace('\\', '/', $path), '/\\');
+		if (($pos = mb_strrpos($path, '/')) !== false) {
+			return mb_substr($path, $pos + 1);
+		}
+		return $path;
+	}
+
+	/**
 	 * Converts a word to its plural form.
 	 * Note that this is for English only!
 	 * For example, 'apple' will become 'apples', and 'child' will become 'children'.

tests/unit/framework/helpers/StringHelperTest.php

@@ -70,4 +70,48 @@ class StringHelperTest extends \yii\test\TestCase
 		$this->assertEquals('PostTag', StringHelper::id2camel('post-tag'));
 		$this->assertEquals('PostTag', StringHelper::id2camel('post_tag', '_'));
 	}
+
+	public function testBasename()
+	{
+		$this->assertEquals('', StringHelper::basename(''));
+
+		$this->assertEquals('file', StringHelper::basename('file'));
+		$this->assertEquals('file.test', StringHelper::basename('file.test', '.test2'));
+		$this->assertEquals('file', StringHelper::basename('file.test', '.test'));
+
+		$this->assertEquals('file', StringHelper::basename('/file'));
+		$this->assertEquals('file.test', StringHelper::basename('/file.test', '.test2'));
+		$this->assertEquals('file', StringHelper::basename('/file.test', '.test'));
+
+		$this->assertEquals('file', StringHelper::basename('/path/to/file'));
+		$this->assertEquals('file.test', StringHelper::basename('/path/to/file.test', '.test2'));
+		$this->assertEquals('file', StringHelper::basename('/path/to/file.test', '.test'));
+
+		$this->assertEquals('file', StringHelper::basename('\file'));
+		$this->assertEquals('file.test', StringHelper::basename('\file.test', '.test2'));
+		$this->assertEquals('file', StringHelper::basename('\file.test', '.test'));
+
+		$this->assertEquals('file', StringHelper::basename('C:\file'));
+		$this->assertEquals('file.test', StringHelper::basename('C:\file.test', '.test2'));
+		$this->assertEquals('file', StringHelper::basename('C:\file.test', '.test'));
+
+		$this->assertEquals('file', StringHelper::basename('C:\path\to\file'));
+		$this->assertEquals('file.test', StringHelper::basename('C:\path\to\file.test', '.test2'));
+		$this->assertEquals('file', StringHelper::basename('C:\path\to\file.test', '.test'));
+
+		// mixed paths
+		$this->assertEquals('file.test', StringHelper::basename('/path\to/file.test'));
+		$this->assertEquals('file.test', StringHelper::basename('/path/to\file.test'));
+		$this->assertEquals('file.test', StringHelper::basename('\path/to\file.test'));
+
+		// \ and / in suffix
+		$this->assertEquals('file', StringHelper::basename('/path/to/filete/st', 'te/st'));
+		$this->assertEquals('st', StringHelper::basename('/path/to/filete/st', 'te\st'));
+		$this->assertEquals('file', StringHelper::basename('/path/to/filete\st', 'te\st'));
+		$this->assertEquals('st', StringHelper::basename('/path/to/filete\st', 'te/st'));
+
+		// http://www.php.net/manual/en/function.basename.php#72254
+		$this->assertEquals('foo', StringHelper::basename('/bar/foo/'));
+		$this->assertEquals('foo', StringHelper::basename('\\bar\\foo\\'));
+	}
 }