/**
* Evaluates Pie expressions<br>
* <b>Warning:<b> Do not Evaluate user input!
* @param string $eval The string to be evaluated
* @param Scope $scope The scope to test evaluations
*/
public function evaluate($eval, Scope $scope = null, $repeater = '')
{
$toEval = preg_replace_callback("/(?<=').+?(?=')/s", function ($matches) use($scope, $repeater) {
$find = preg_replace('/^' . $repeater . '\\./', '', $matches[0]);
$find = Pie::findRecursive($find, $scope);
return $find !== '' ? $find : $matches[0];
}, $eval);
if (empty($toEval)) {
return false;
}
$isValid = false;
eval("\$isValid = ({$toEval});");
return (bool) $isValid;
}
}
}];
});
/**
* Creates a select field based on an array
* @element select The select element to populate
* @attr items A reference to the item array
*
* Example array:
* ['value' => 'text', 'default' => ['selected' => 'default']]
*/
$app->directive('select', function () {
return ['restrict' => 'E', 'link' => function (Scope $scope, Element $element, TplAttr $tpl) {
$items = $element->node->getAttribute('items');
if ($items) {
$val = Pie::findRecursive($items, $scope);
if (is_array($val)) {
foreach ($val as $index => $value) {
$option = $element->node->ownerDocument->createElement('option');
$useVal = $value;
if (is_array($value) && isset($value['selected'])) {
$option->setAttribute('selected', 'selected');
$useVal = $value['selected'];
} elseif (is_array($value)) {
$useVal = array_shift($value);
}
$option->setAttribute('value', $index);
$option->nodeValue = $useVal;
$element->node->appendChild($option);
}
}
