1 files changed, 42 insertions, 0 deletions
diff --git a/platform/www/lib/plugins/config/core/Setting/SettingNumeric.php b/platform/www/lib/plugins/config/core/Setting/SettingNumeric.php
new file mode 100644
index 0000000..8a6b179
--- /dev/null
+++ b/platform/www/lib/plugins/config/core/Setting/SettingNumeric.php
@@ -0,0 +1,42 @@
+<?php
+
+namespace dokuwiki\plugin\config\core\Setting;
+
+/**
+ * Class setting_numeric
+ */
+class SettingNumeric extends SettingString {
+    // This allows for many PHP syntax errors...
+    // var $_pattern = '/^[-+\/*0-9 ]*$/';
+    // much more restrictive, but should eliminate syntax errors.
+    protected $pattern = '/^[-+]? *[0-9]+ *(?:[-+*] *[0-9]+ *)*$/';
+    protected $min = null;
+    protected $max = null;
+
+    /** @inheritdoc */
+    public function update($input) {
+        $local = $this->local;
+        $valid = parent::update($input);
+        if($valid && !(is_null($this->min) && is_null($this->max))) {
+            $numeric_local = (int) eval('return ' . $this->local . ';');
+            if((!is_null($this->min) && $numeric_local < $this->min) ||
+                (!is_null($this->max) && $numeric_local > $this->max)) {
+                $this->error = true;
+                $this->input = $input;
+                $this->local = $local;
+                $valid = false;
+            }
+        }
+        return $valid;
+    }
+
+    /** @inheritdoc */
+    public function out($var, $fmt = 'php') {
+        if($fmt != 'php') return '';
+
+        $local = $this->local === '' ? "''" : $this->local;
+        $out = '$' . $var . "['" . $this->getArrayKey() . "'] = " . $local . ";\n";
+
+        return $out;
+    }
+}