/**
* Start a new switch statement.
* A variable must be passed to switch on.
* Also, the switch can only directly contain {case} and {default} tags.
*
* @param string $tag_arg
* @param Smarty_Compiler $smarty
* @return string
*/
function smarty_compiler_switch($tag_arg, &$smarty)
{
// Add var= if needed.
if (strpos($tag_arg, 'var=') === false) {
$tag_arg = 'var=' . $tag_arg;
}
// Run the smarty code passed in.
$_params = $smarty->_parse_attrs($tag_arg);
// Make sure we have a var.
if (!isset($_params['var'])) {
$smarty->_syntax_error("switch: missing 'var' parameter", E_USER_WARNING);
return;
}
// Get the switch data.
$switchData =& $smarty->get_template_vars("_switchData");
// Add a new switch data array.
if (is_null($switchData)) {
$switchData = array();
$smarty->assign_by_ref("_switchData", $switchData);
}
// Turn auto-break off.
array_unshift($switchData, false);
// Return the switch.
return "switch ({$_params['var']}) {";
}
