Added basic distribution - XML - config - parser - classes, needs to be improved

Signed-off-by: Florian Aders (EleRas) <eleras@froxlor.org>

lib/classes/config/class.ConfigParser.php

@@ -0,0 +1,96 @@
+<?php
+
+/**
+ * This file is part of the Froxlor project.
+ * Copyright (c) 2010 the Froxlor Team (see authors).
+ *
+ * For the full copyright and license information, please view the COPYING
+ * file that was distributed with this source code. You can also view the
+ * COPYING file online at http://files.froxlor.org/misc/COPYING.txt
+ *
+ * @copyright  (c) the authors
+ * @author     Florian Aders <eleras@froxlor.org>
+ * @author     Froxlor team <team@froxlor.org> (2010-)
+ * @license    GPLv2 http://files.froxlor.org/misc/COPYING.txt
+ * @package    Classes
+ *
+ * @since      0.9.34
+ */
+
+/**
+ * Class ConfigParser
+ *
+ * Parses a distributions XML - file and gives access to the configuration
+ *
+ * @copyright  (c) the authors
+ * @author     Florian Aders <eleras@froxlor.org>
+ * @author     Froxlor team <team@froxlor.org> (2010-)
+ * @license    GPLv2 http://files.froxlor.org/misc/COPYING.txt
+ * @package    Classes
+ */
+class ConfigParser {
+	/**
+	 * Holding the available services in the XML
+	 * @var array 
+	 */
+	private $services = array();
+	
+	/**
+	 * Store the parsed SimpleXMLElement for usage
+	 * @var SimpleXMLElement
+	 */
+	private $xml;
+	
+	/**
+	 * Constructor
+	 * 
+	 * Initialize the XML - ConfigParser
+	 * @param string $filename filename of the froxlor - configurationfile
+	 * @return void
+	 */
+	public function __construct($filename) {
+		if (!is_readable($filename)) {
+			throw new Exception('File not readable');
+		}
+		$this->xml = simplexml_load_file($filename);
+		if ($this->xml === false) {
+			$error = '';
+			foreach(libxml_get_errors() as $error) {
+				$error .= "\t" . $error->message;
+			}
+			throw new Exception($error);
+		}
+		$this->parse();
+	}
+	
+	/**
+	 * Parse the XML and populate $this->services
+	 * @return void
+	 */
+	private function parse() {
+		// Get all services
+		$services = $this->xml->xpath('//services/service');
+		foreach ($services as $service) {
+			// We don't want comments
+			if ($service->getName() == 'comment') {
+				continue;
+			}
+			// Search the attributes for "type"
+			foreach ($service->attributes() as $key => $value) {
+				if ($key == 'type') {
+					$this->services[(string)$value] = new ConfigService($this->xml, '//services/service[@type="' . (string)$value . '"]');
+				}
+			}
+		}
+	}
+	
+	/**
+	 * Return all services defined by the XML
+	 * 
+	 * The array will hold ConfigService - Objects for further handling
+	 * @return array
+	 */
+	public function getServices() {
+		return $this->services;
+	}
+}