<?php
/**
 * VSite Framework for PHP
 * 
 * This product includes PHP, freely available from 
 * <{@link http://www.php.net/ http://www.php.net/}>
 * 
 * @package VSite_Framework
 * @subpackage Configuration
 * @copyright Copyright (c) 2003, Valentin Sheiretsky
 * @license http://www.vsite.org/license.txt BSD-style license
 */

if (!defined("_VSITECONF_CLASS_")) {
/**
 * @ignore
 */
define("_VSITECONF_CLASS_", 1);

/**
 * Manage Framework classes configuration
 *
 * @version 1.0.4
 * @author Valentin Sheiretsky <valio@vsite.org>
 * @package VSite_Framework
 */
class VsiteConf {

	/**#@+
	 * @access private
	 * @var string 
	 */
	var $style;
	var $confpath;
	/**#@-*/
	/**
	 * @var array
	 */
	var $_cfg = array();

	/**
	 * Constructor
	 */
	function __construct($style = '') {
		if (defined("VSITE_CONFIG_PATH")) {
			$this->confpath = realpath (VSITE_CONFIG_PATH);
		} else {
			$this->confpath = realpath (dirname(__FILE__) . '/../config');
		}
		if ($style) $this->set_style ($style);
    }

	/**
	 * @ignore
	 */
	function VsiteConf ($style = '') {
		$this->__construct($style);
	}

	/**
	 * Read Configuration from file
	 */
	function join_conf ($new_cfg, $old_cfg) {
		if (!is_array($old_cfg)) $old_cfg = array();
		if (is_array($new_cfg))
			foreach ($new_cfg as $k => $v)
				$old_cfg[$k] = $v;
		return $old_cfg;
	}

	/**
	 * Read Configuration from file
	 */
	function read_conf ($file, $old_cfg = NULL) {
		switch ($this->style) {
			case 'php':
			default:
				$this->_read_php_style ($file);
		}
		$old_cfg = $this->join_conf ($this->_cfg, $old_cfg);
		return $old_cfg;
	}

	/**
	 * Set Configuration file style
	 */
	function set_style ($style) {
		$this->style = $style;
	}

	/**
	 * Read PHP Style Configuration
	 * @access private
	 */
	function _read_php_style ($file) {
		$file = $this->confpath . DIRECTORY_SEPARATOR . $file . '.conf.php';
		if (is_file($file)) {
			$this->_cfg = array();
			include ($file);
			$this->_cfg = $cfg;
		}
	}

	/**
	 * Destructor
	 */
	function __destruct() {
	}

  }

} // END CONFIG_CLASS
?>