<?php

require_once "./includes/xpath/xpath.php";

function factory_configdb () {
	return new FCMSConfig ();
}

class FCMSConfig {
	var $xp;
	var $loginRequired;

	function FCMSConfig () {
		$path = "./config/config.xml";
		$this->xp = new FCMSXPath ();
		$this->xp->parse ($path);

		$this->loginRequired = $this->checkLoginRequired ();
	}

	function getError ($key) {
		$xpath = '/config/global/errors/e[@key="' . $key . '"]';
		return $this->xp->getNodeValue ($xpath);
	}

	function getGroupProperties ($group) {
		$ret = array ();
		$xp =& $this->xp;

		$imgroot = $this->getGlobalProperty ('root');

		$root_xpath = '/config/group[@name="' . $group . '"]';
		$keys = $xp->matchNames ($root_xpath . '/*');

		foreach ($keys as $key) {
			$ret [$key] = array ();

			$key_xpath = $root_xpath . '/' . $key;
			$values = $xp->matchNames ($key_xpath . '/*');

			foreach ($values as $value) {
				$value_xpath = $key_xpath . '/' . $value;
				$v = $xp->getNodeValue ($value_xpath);
				
				// For the filebrowser root, we need to append
				// global root.
				if (($key == 'filebrowser') and ($value == 'root')) {
					$v = $imgroot . $v;
					$v = str_replace ('//', '/', $v);
				}

				$ret [$key] [$value] = $v;
			}
		}

		return $ret;
	}

	function getGroupProperty ($group, $v1, $v2) {
		$d = $this->getGroupProperties ($group);
		
		$d1 = $d [$v1];
		if (! $d1) return "";

		$v = $d1 [$v2];
		if (! $v) return "";

		return $v;
	}

	function getGlobalProperty ($pname) {
		$xpath = '/config/global/' . $pname;
		return $this->xp->getNodeValue ($xpath);
	}

	# ----- Internal utility methods

	function checkLoginRequired () {
		$gxpath = "/config/global";
		$n = $this->xp->matchNode ($gxpath);

		$attr = $this->xp->getAttribute ($n, 'requireLogin');
		return ($attr != 'false');
	}


}



?>