/**
* Execute the helper
*
* @param Handlebars_Template $template The template instance
* @param Handlebars_Context $context The current context
* @param array $args The arguments passed the the helper
* @param string $source The source
*
* @return {mixed}
*/
public function execute(Handlebars_Template $template, Handlebars_Context $context, $args, $source)
{
$parsedArgs = $template->parseArguments($args);
$tmp = $context->get($parsedArgs[0]);
$context->push($context->last());
if (!$tmp) {
$template->setStopToken('else');
$buffer = $template->render($context);
$template->setStopToken(false);
} else {
$template->setStopToken('else');
$template->discard();
$template->setStopToken(false);
$buffer = $template->render($context);
}
$context->pop();
return $buffer;
}
/**
* Process Mustache section style
*
* @param Handlebars_Context $context current context
* @param array $current section node data
*
* @throws {$1}
* @return {mixed|string}
*/
private function _mustacheStyleSection(Handlebars_Context $context, $current)
{
$sectionName = $current[Handlebars_Tokenizer::NAME];
// fallback to mustache style each/with/for just if there is
// no argument at all.
try {
$sectionVar = $context->get($sectionName, true);
} catch (InvalidArgumentException $e) {
throw new RuntimeException($sectionName . ' is not registered as a helper');
}
$buffer = '';
if (is_array($sectionVar) || $sectionVar instanceof Traversable) {
$isList = is_array($sectionVar) && array_keys($sectionVar) === range(0, count($sectionVar) - 1);
$index = 0;
$lastIndex = $isList ? count($sectionVar) - 1 : false;
foreach ($sectionVar as $key => $d) {
$specialVariables = array('@index' => $index, '@first' => $index === 0, '@last' => $index === $lastIndex);
if (!$isList) {
$specialVariables['@key'] = $key;
}
$context->pushSpecialVariables($specialVariables);
$context->push($d);
$buffer .= $this->render($context);
$context->pop();
$context->popSpecialVariables();
$index++;
}
} elseif (is_object($sectionVar)) {
//Act like with
$context->push($sectionVar);
$buffer = $this->render($context);
$context->pop();
} elseif ($sectionVar) {
$buffer = $this->render($context);
}
return $buffer;
}
