/**
* Execute the helper
* {{#formErrors login}}
* <ul>
* {{#each errors}}
* <li>{{this}}</li>
* {{/each}}
* </ul>
* {{/formErrors}}
* Catch form validation's erros.
*
* @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(Template $template, Context $context, $args, $source)
{
$buffer = '';
$args = $template->parseArguments($args);
$errors = \Session::get('errors', new \Illuminate\Support\MessageBag());
// no form specified
// return empty buffer
if (!count($args)) {
return $buffer;
}
// if MessageBag does not exists
// return empty buffer
if (!method_exists($errors, 'hasBag')) {
return $buffer;
}
// Defined MessageBag exists
// so we push errors list to the context
if ($errors->hasBag($args[0])) {
$context->push(['errors' => $errors->{$args[0]}->all()]);
$template->rewind();
$buffer .= $template->render($context);
$context->pop();
return $buffer;
}
// return empty buffer
return $buffer;
}
/**
* Execute the helper
* {{url 'filename'}}
* {{url 'filename' this }}
* {{url 'filename' with {"id":12, "slug":"test"} }}
*
* @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(Template $template, Context $context, $args, $source)
{
$buffer = '';
$args = $template->parseArguments($args);
if (count($args) < 2) {
throw new \Exception("Handlerbars Helper 'compare' needs 2 parameters");
}
$operator = isset($args[2]) ? $args[2]->getString() : '==';
$lvalue = $context->get($args[0]);
$rvalue = $context->get($args[1]);
$equal = function ($l, $r) {
return $l == $r;
};
$strictequal = function ($l, $r) {
return $l === $r;
};
$different = function ($l, $r) {
return $l != $r;
};
$lower = function ($l, $r) {
return $l < $r;
};
$greatter = function ($l, $r) {
return $l > $r;
};
$lowOrEq = function ($l, $r) {
return $l <= $r;
};
$greatOrEq = function ($l, $r) {
return $l >= $r;
};
$operators = ['==' => 'equal', '===' => 'strictequal', '!=' => 'different', '<' => 'lower', '>' => 'greatter', '<=' => 'lowOrEq', '>=' => 'greatOrEq'];
if (!$operators[$operator]) {
throw new \Exception("Handlerbars Helper 'compare' doesn't know the operator " . $operator);
}
$tmp = ${$operators}[$operator]($lvalue, $rvalue);
$buffer = '';
$context->push($context->last());
if ($tmp) {
$template->setStopToken('else');
$buffer = $template->render($context);
$template->setStopToken(false);
$template->discard($context);
} else {
$template->setStopToken('else');
$template->discard($context);
$template->setStopToken(false);
$buffer = $template->render($context);
}
$context->pop();
return $buffer;
}
/**
* 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(Template $template, Context $context, $args, $source)
{
$tmp = $context->get($args);
$context->push($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;
}
/**
* Execute the is Helper for Handlebars.php {{#is variable value}} code {{else}} alt code {{/is}}
* OR {{#is user_logged_in}} code {{else}} alt code {{/is}}
* OR {{#is is_user_logged_in}} code {{else}} alt code {{/is}}
* OR {{#is home}} code {{else}} alt code {{/is}}
* based off the IfHelper
*
* @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 $source The source
*
* @return mixed
*/
public static function helper($template, $context, $args, $source)
{
$value = null;
if (false !== strpos($args, ' ')) {
$parts = explode(' ', $args);
$args = $parts[0];
$value = $parts[1];
} else {
if (in_array($args, self::if_checks())) {
// fix alias - because is is_user is annouting..!
if (false === strpos($args, 'is_')) {
$args = 'is_' . $args;
}
if (call_user_func($args)) {
$value = 1;
$args = 1;
} else {
$value = null;
$args = 1;
}
}
}
if (is_numeric($args)) {
$tmp = $args;
} else {
$tmp = $context->get($args);
}
$context->push($context->last());
if ($tmp === $value) {
$template->setStopToken('else');
$buffer = $template->render($context);
$template->setStopToken(false);
$template->discard($context);
} else {
$template->setStopToken('else');
$template->discard($context);
$template->setStopToken(false);
$buffer = $template->render($context);
}
$context->pop();
return $buffer;
}
/**
* Process Mustache section style
*
* @param Context $context current context
* @param array $current section node data
*
* @throws \RuntimeException
* @return mixed|string
*/
private function _mustacheStyleSection(Context $context, $current)
{
$sectionName = $current[Tokenizer::NAME];
// fallback to mustache style each/with/for just if there is
// no argument at all.
try {
$sectionVar = $context->get($sectionName, false);
} catch (\InvalidArgumentException $e) {
throw new \RuntimeException(sprintf('"%s" is not registered as a helper', $sectionName));
}
$buffer = '';
if (is_array($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;
}