icingaweb2-module-director/library/Director/PropertyModifier/PropertyModifierRegexSplit.php

52 lines
1.6 KiB
PHP

<?php
namespace Icinga\Module\Director\PropertyModifier;
use Icinga\Module\Director\Hook\PropertyModifierHook;
use Icinga\Module\Director\Web\Form\QuickForm;
class PropertyModifierRegexSplit extends PropertyModifierHook
{
public static function addSettingsFormFields(QuickForm $form)
{
$form->addElement('text', 'pattern', array(
'label' => $form->translate('Pattern'),
'required' => true,
'description' => $form->translate(
'Regular expression pattern to split the string (e.g. /\s+/ or /[,;]/)'
)
));
$form->addElement('select', 'when_empty', array(
'label' => $form->translate('When empty'),
'required' => true,
'description' => $form->translate(
'What should happen when the given string is empty?'
),
'value' => 'empty_array',
'multiOptions' => $form->optionalEnum(array(
'empty_array' => $form->translate('return an empty array'),
'null' => $form->translate('return NULL'),
))
));
}
public function transform($value)
{
if (! strlen(trim($value))) {
if ($this->getSetting('when_empty', 'empty_array') === 'empty_array') {
return array();
} else {
return null;
}
}
return preg_split(
$this->getSetting('pattern'),
$value,
-1,
PREG_SPLIT_NO_EMPTY
);
}
}