Questtype ?Textinput?: add support for field sizes (Issue #252) and general improvements

core/ClassLoader.inc

@@ -0,0 +1,129 @@
+<?php
+
+	/**
+	 * NRE
+	 *
+	 * @author	coderkun <olli@coderkun.de>
+	 * @copyright	2013 coderkun (http://www.coderkun.de)
+	 * @license	http://www.gnu.org/licenses/gpl.html
+	 * @link	http://www.coderkun.de/projects/nre
+	 */
+	
+	namespace nre\core;
+	
+	
+	/**
+	 * Class for safely loading classes.
+	 * 
+	 * @author	coderkun <olli@coderkun.de>
+	 */
+	class ClassLoader
+	{
+		
+		
+		
+		
+		/**
+		 * Load a class.
+		 * 
+		 * @throws	ClassNotFoundException
+		 * @param	string		$className	Name of the class to load
+		 */
+		public static function load($fullClassName)
+		{
+			// Determine folder to look in
+			$className = explode('\\', $fullClassName);
+			$className = array_slice($className, substr_count(\nre\configs\AppConfig::$app['namespace'], '\\'));
+			
+			// Determine filename
+			$fileName = ROOT.DS.implode(DS, $className). \nre\configs\CoreConfig::getFileExt('includes');
+			
+			
+			// Check file
+			if(!file_exists($fileName))
+			{
+				throw new \nre\exceptions\ClassNotFoundException(
+					$fullClassName
+				);
+			}
+			
+			// Include file
+			include_once($fileName);
+		}
+		
+		
+		/**
+		 * Check inheritance of a class.
+		 * 
+		 * @throws	ClassNotValidException
+		 * @param	string	$className		Name of the class to check
+		 * @param	string	$parentClassName	Name of the parent class
+		 */
+		public static function check($className, $parentClassName)
+		{
+			// Check if class is subclass of parent class
+			if(!is_subclass_of($className, $parentClassName)) {
+				throw new \nre\exceptions\ClassNotValidException(
+					$className
+				);
+			}
+		}
+		
+		
+		/**
+		 * Strip the namespace from a class name.
+		 * 
+		 * @param	string	$class	Name of a class including its namespace
+		 * @return			Name of the given class without its namespace
+		 */
+		public static function stripNamespace($class)
+		{
+			return array_slice(explode('\\', $class), -1)[0];
+		}
+		
+		
+		/**
+		 * Strip the class type from a class name.
+		 * 
+		 * @param	string	$className	Name of a class
+		 * @return				Name of the given class without its class type
+		 */
+		public static function stripClassType($className)
+		{
+			return preg_replace('/^(.*)[A-Z][^A-Z]+$/', '$1', $className);
+		}
+		
+		
+		/**
+		 * Strip the namespace and the class type of a full class name
+		 * to get only its name.
+		 * 
+		 * @param	string	$class	Full name of a class
+		 * @return			Only the name of the given class
+		 */
+		public static function getClassName($class)
+		{
+			return self::stripClassType(self::stripNamespace($class));
+		}
+		
+		
+		/**
+		 * Concatenate strings to a class name following the CamelCase
+		 * pattern.
+		 * 
+		 * @param	string	$className1	Arbitrary number of strings to concat
+		 * @return	string			Class name as CamelCase
+		 */
+		public static function concatClassNames($className1)
+		{
+			return implode('', array_map(
+				function($arg) {
+					return ucfirst(strtolower($arg));
+				},
+				func_get_args()
+			));
+		}
+		
+	}
+
+?>