<?php
/**
 * basic output functions
 *
 * PHP version 5
 *
 * @category  PHP
 * @package   PSI_Output
 * @author    Michael Cramer <BigMichi1@users.sourceforge.net>
 * @copyright 2009 phpSysInfo
 * @license   http://opensource.org/licenses/gpl-2.0.php GNU General Public License
 * @version   SVN: $Id: class.Output.inc.php 569 2012-04-16 06:08:18Z namiltd $
 * @link      http://phpsysinfo.sourceforge.net
 */
 /**
 * basic output functions for all output formats
 *
 * @category  PHP
 * @package   PSI_Output
 * @author    Michael Cramer <BigMichi1@users.sourceforge.net>
 * @copyright 2009 phpSysInfo
 * @license   http://opensource.org/licenses/gpl-2.0.php GNU General Public License
 * @version   Release: 3.0
 * @link      http://phpsysinfo.sourceforge.net
 */
abstract class Output
{
	/**
	 * error object for logging errors
	 *
	 * @var Error
	 */
	protected $error;

	/**
	 * call the parent constructor and check for needed extensions
	 */
	public function __construct()
	{
		$this->error = PSI_Error::singleton();
		$this->_checkConfig();
		CommonFunctions::checkForExtensions();
	}

	/**
	 * read the config file and check for existence
	 *
	 * @return void
	 */
	private function _checkConfig()
	{
		include_once APP_ROOT.'/read_config.php';

		if ($this->error->errorsExist()) {
			$this->error->errorsAsXML();
		}
	}
}