<?php
include_once(dirname(__FILE__).'/../lib/smarty/Smarty.class.php');

function smarty_init($templates_folder, $escape_html=true) {
	$smarty = new Smarty;

	$smarty->template_dir = $templates_folder;
	$smarty->config_dir   = $templates_folder.'/config/';
	$smarty->compile_dir  = dirname(__FILE__).'/../temp/';
	$smarty->cache_dir    = dirname(__FILE__).'/../temp/';
	$smarty->compile_id   = md5($templates_folder);

	if ($escape_html == true) {
		$smarty->register_modifier('unescape', 'smarty_modifier_unescape');
		$smarty->register_postfilter('smarty_postfilter_inoculate');
	}

	return $smarty;
}

function htmlspecialchars_recursive($var, $quote_style) {
	if(is_array($var)) {
		$ret = array();
		foreach($var as $key => $val) {
			$ret[$key] = htmlspecialchars_recursive($val, $quote_style);
		}
	} elseif(is_string($var)) {
		$ret = htmlspecialchars($var, ENT_QUOTES);
	} else {
		$ret = $var;
	}
	
	return $ret;
}

function smarty_postfilter_inoculate($tpl_output, &$smarty) {
	if(!empty($smarty->_tpl_vars)) {
		foreach($smarty->_tpl_vars as $key => $value) {
			$smarty->_tpl_vars[$key] = htmlspecialchars_recursive($value, ENT_QUOTES);
		}
	}

	return $tpl_output;
}

function smarty_modifier_unescape($string) {
	return htmlspecialchars_decode($string, ENT_QUOTES);
}
?>