<?php
/* $Id$ */
namespace MCMS;

(defined('MCMS') && (basename(__FILE__) != basename($_SERVER['PHP_SELF']))) or die('ACCESS DENIED');

/**
 * Request input storage on CLI calls
 *
 * @author Stefan Daurer
 */
class RequestCLI extends Request {
	private $param;

	public function __construct() {
		global $argv;
		$this->param = $this->parseArgs($argv);
	}
	
	/*
	 * arg parse function, based on one found on the php help page, originally by
	 * patrick@pwfisher.com
	 */
	private function parseArgs($argv) {
		if (is_null($argv))
			return array();
		array_shift($argv);
		$out = array();
		foreach($argv as $arg) {
			if(substr($arg, 0, 2) == '--') {
				$eqPos = strpos($arg, '=');
				if($eqPos === false) {
					$key = substr($arg, 2);
					$out[$key] = isset($out[$key]) ? $out[$key] : true;
				}
				else {
					$key = substr($arg, 2, $eqPos - 2);
					$out[$key] = substr($arg, $eqPos + 1);
				}
			}
			elseif(substr($arg, 0, 1) == '-') {
				if(substr($arg, 2, 1) == '=') {
					$key = substr($arg, 1, 1);
					$out[$key] = substr($arg, 3);
				}
				else {
					$chars = str_split(substr($arg, 1));
					foreach($chars as $char) {
						$key = $char;
						$out[$key] = isset($out[$key]) ? $out[$key] : true;
					}
				}
			}
			else {
				$out[] = $arg;
			}
		}
		return $out;
	}

	public function getType() {
		return 'CLI';
	}

	public function getParam($key = NULL) {
		if(!is_null($key))
			return $this->param[(string) $key];
		return $this->param;
	}

	public function update($key, $value) {
		$this->param[$key] = $value;
	}

	public function getUserAgent() {
		return $this->agent;
	}

	public function isValid() {
		return true;
	}
}