1 files changed, 51 insertions, 0 deletions
diff --git a/library/Director/PropertyModifier/PropertyModifierRegexSplit.php b/library/Director/PropertyModifier/PropertyModifierRegexSplit.php
new file mode 100644
index 0000000..829810f
--- /dev/null
+++ b/library/Director/PropertyModifier/PropertyModifierRegexSplit.php
@@ -0,0 +1,51 @@
+<?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
+        );
+    }
+}