initial commit

library/Katharsis/ControllerRouting.php

@@ -0,0 +1,136 @@
+<?php
+/**
+ * Controller Router
+ * Specific routing entity
+ *
+ * @author Karl Pannek <info@katharsis.in>
+ * @version 0.5.2
+ * @package Katharsis
+ */
+class Katharsis_ControllerRouting
+{
+	/**
+	 * @var Katharsis_ControllerRouting
+	 */
+	protected static $_instance = null;
+
+	/**
+	 * Singleton. Returns the same instance every time
+	 * 
+	 * @return Katharsis_ControllerRouting
+	 */
+	public static function getInstance()
+	{
+		if(self::$_instance === null)
+		{
+			self::$_instance = new self();
+		}
+		return self::$_instance;
+	}
+
+	/**
+	 * Sets default controller and action names
+	 * 
+	 * @return void
+	 */
+	protected function __construct()
+	{
+		Katharsis_Request::setControllerName('index');
+		Katharsis_Request::setActionName('index');
+	}
+
+	/**
+	 * Initiates routing process
+	 * 
+	 * @return void
+	 */
+	public function init()
+	{
+		$paramstring = "";
+		$baseUrl = preg_replace('#(.*/)[^/]+#', '\1', $_SERVER['SCRIPT_NAME']);
+		
+		if(preg_match("~.*" . $baseUrl . "([^/\?]+)/([^/\?]+)/*([^\?]*)~", $_SERVER['REQUEST_URI'], $matches))
+		{
+			$controller = $matches[1];
+			$action = $matches[2];
+			$paramstring = $matches[3];
+			$params = $this->_buildParams($paramstring);
+
+			Katharsis_Request::setControllerName($controller);
+			Katharsis_Request::setActionName($action);
+		} else if(preg_match("~.*" . $baseUrl . "([^/\?]+)/*([^\?]*)~", $_SERVER['REQUEST_URI'], $matches))
+		{
+			$controller = $matches[1];
+			$paramstring = $matches[2];
+			$params = $this->_buildParams($paramstring);
+
+			Katharsis_Request::setControllerName($controller);
+		} else 
+		{
+			if(array_key_exists('controller', $_GET))
+			{
+				$controller = $_GET['controller'];
+				Katharsis_Request::setControllerName($controller);
+			}
+			
+			if(array_key_exists('action', $_GET))
+			{
+				$action = $_GET['action'];
+				Katharsis_Request::setActionName($action);
+			}
+			
+			$params = $_GET;
+		}
+
+		Katharsis_Request::setParams($params);
+
+		Katharsis_View::getInstance()->requestHook();
+	}
+
+	
+	/**
+	 * Routing processing method
+	 * 
+	 * @return void
+	 */
+	public function route()
+	{
+		$controllerName = ucfirst(Katharsis_Request::getControllerName()) . 'Controller';
+		$action = Katharsis_Request::getActionName() . 'Action';
+
+		if(class_exists($controllerName))
+		{
+			$controllerObject = new $controllerName();
+
+			$controllerObject->$action();
+		}
+	}
+
+	
+	/**
+	 * Splits parameters to an array and returns them
+	 * 
+	 * @return array
+	 */
+	protected function _buildParams($string)
+	{
+		$params = array();
+		if(trim($string) !== '')
+		{
+			$urlparams = explode("/", $string);
+
+			for($i = 0; $i < count($urlparams); $i=$i+2)
+			{
+				if(array_key_exists($i+1, $urlparams))
+				{
+					$params[$urlparams[$i]] = $urlparams[$i+1];
+				} else
+				{
+					$params[$urlparams[$i]] = null;
+				}
+			}
+		}
+
+		return $params;
+	}
+}