<?php
/*
myGallery tag function

Description: patch of myGallery tag function
Author: norida
Author URI: http://junklog.cocolog-nifty.com/
Version: 0.2

Copyright (C) 2007 norida.

*/ 

//#################################################################
// define / include


//#################################################################

//#################################################################
// functions


// pre convert myGallery tag functions (#fgalsw etc.)
// #function execute
function mgext_tagfunc($mystring) {

	// tag
	$search = "/\[[A-Za-z0-9\-\_]+=.*((#[A-Za-z0-9\-\_]+)\(([^\(\)]+)\)).*\]/";

	if (preg_match($search, $mystring)){
		preg_match_all($search, $mystring, $temp_array);
		if (is_array ($temp_array[1])) {
//print_r($temp_array);
			foreach ($temp_array[1] as $key => $v0) {
				$rtn = '';
				$funcname = $temp_array[2][$key];
				$funcarg = $temp_array[3][$key];

				switch (strtolower($funcname)) {
					case '#fgalsw':
						$rtn = mgext_func_fgalsw($funcarg);
						break;
					case '#fgalrand':
						$rtn = mgext_func_fgalrand($funcarg);
						break;
					default:
						break;
				}

				$search = $temp_array[1][$key];
				$replace = $rtn;

				$mystring = str_replace ($search, $replace, $mystring);
			}
		}
	}

	return $mystring;

}


function mgext_func_fgalsw($funcarg) {

	// fgalsw function
	// #fgalsw($defgal,$swkind,<$num1=$gal1,$num2=$gal2...>)

	$arytmp = explode(',', $funcarg);
	$strgal = '';

	if(is_array($arytmp)) {
		$strswkind = '';
		$arydata = array();
		foreach($arytmp as $key => $val) {
			if ($key == 0)		$strgal = $val;
			else if ($key == 1)	$strswkind = $val;
			else {
				list($tmp_key, $tmp_data) = explode('=', $val);
				$arydata[$tmp_key] = $tmp_data;
			}
		}

		$nowsw = -1;
		$arygetdate = getdate();
		switch (strtolower($strswkind)) {
			case 'month':
				$nowsw = $arygetdate['mon'];
				break;
			case 'hour':
				$nowsw = $arygetdate['hours'];
				break;
			case 'wday':
				$nowsw = $arygetdate['wday'];
				break;
		}

		if (!($nowsw < 0)) {
			if (isset($arydata[$nowsw]))	$strgal = $arydata[$nowsw];
		}

	}

	return $strgal;
}


function mgext_func_fgalrand($funcarg) {

	// fgalsw function
	// #fgalrand(<$gal1,$gal2...>)

	$arytmp = explode(',', $funcarg);
	$strgal = '';

	if(is_array($arytmp)) {
		$index = mt_rand(0,count($arytmp)-1);
		$strgal = $arytmp[$index];
	}

	return $strgal;

}


//#################################################################

?>