function xt_process_template(&$xt, $str)
{
// parse template file tag by tag
$start = 0;
$literal = false;
$len = strlen($str);
while (true) {
$pos = strpos($str, "{", $start);
if ($pos === false) {
echo substr($str, $start, $len - $start);
break;
}
$section = false;
$var = false;
$message = false;
if (substr($str, $pos + 1, 6) == "BEGIN ") {
$section = true;
} elseif (substr($str, $pos + 1, 1) == '$') {
$var = true;
} elseif (substr($str, $pos + 1, 14) == 'mlang_message ') {
$message = true;
} else {
// no tag, just '{' char
echo substr($str, $start, $pos - $start + 1);
$start = $pos + 1;
continue;
}
echo substr($str, $start, $pos - $start);
if ($section) {
// section
$endpos = strpos($str, "}", $pos);
if ($endpos === false) {
$xt->report_error("Page is broken");
return;
}
$section_name = trim(substr($str, $pos + 7, $endpos - $pos - 7));
$endtag = "{END " . $section_name . "}";
$endpos1 = strpos($str, $endtag, $endpos);
if ($endpos1 === false) {
echo "End tag not found:" . htmlspecialchars($endtag);
$xt->report_error("Page is broken");
return;
}
$section = substr($str, $endpos + 1, $endpos1 - $endpos - 1);
$start = $endpos1 + strlen($endtag);
$var = xt_getvar($xt, $section_name);
if ($var === false) {
continue;
}
$begin = "";
$end = "";
if (is_array($var)) {
$begin = @$var["begin"];
$end = @$var["end"];
$var = @$var["data"];
}
if (!is_array($var)) {
// if section
echo $begin;
xt_process_template($xt, $section);
$xt->processVar($end, $varparams);
} else {
// foreach section
echo $begin;
$keys = array_keys($var);
foreach ($keys as $i) {
$xt->xt_stack[] =& $var[$i];
if (is_array($var[$i]) && array_key_exists("begin", $var[$i])) {
echo $var[$i]["begin"];
}
xt_process_template($xt, $section);
array_pop($xt->xt_stack);
if (is_array($var[$i]) && array_key_exists("end", $var[$i])) {
echo $var[$i]["end"];
}
}
$xt->processVar($end, $varparams);
}
} elseif ($var) {
// display a variable or call a function
$endpos = strpos($str, "}", $pos);
if ($endpos === false) {
$xt->report_error("Page is broken");
return;
}
$varparams = array();
$var_name = trim(substr($str, $pos + 2, $endpos - $pos - 2));
if (strpos($var_name, " ") !== FALSE) {
$varparams = explode(" ", $var_name);
$var_name = $varparams[0];
unset($varparams[0]);
}
$start = $endpos + 1;
$var = xt_getvar($xt, $var_name);
if ($var === false) {
continue;
}
$xt->processVar($var, $varparams);
} elseif ($message) {
$endpos = strpos($str, "}", $pos);
if ($endpos === false) {
$xt->report_error("Page is broken");
return;
}
$tag = trim(substr($str, $pos + 15, $endpos - $pos - 15));
$start = $endpos + 1;
echo htmlspecialchars(mlang_message($tag));
}
}
}
/**
* Returns variable by name.
* @intellisense
*/
function getvar($name)
{
return xt_getvar($this, $name);
}