From 2e1724558d9105de98df0dd3c6bef8f27a3f7166 Mon Sep 17 00:00:00 2001
From: Olmo del Corral Cano <olmo@signumsoftware.com>
Date: Sun, 26 Jun 2022 01:40:36 +0200
Subject: [PATCH] add XmlExtensions

---
 Signum.Utilities/Extensions/XmlExtensions.cs | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/Signum.Utilities/Extensions/XmlExtensions.cs b/Signum.Utilities/Extensions/XmlExtensions.cs
index a38caf5f9d..c795ff0489 100644
--- a/Signum.Utilities/Extensions/XmlExtensions.cs
+++ b/Signum.Utilities/Extensions/XmlExtensions.cs
@@ -1,5 +1,6 @@
 using System.IO;
 using System.Xml;
+using System.Xml.Linq;
 using System.Xml.Serialization;
 
 namespace Signum.Utilities;
@@ -45,4 +46,22 @@ public static T DeserializeFromXml<T>(string str)
             return (T)serializer.Deserialize(reader)!;
         }
     }
+
+    public static XAttribute AttributeEx(this XElement element, XName name)
+    {
+        var att = element.Attribute(name);
+        if (att == null)
+            throw new InvalidOperationException($"Attribute '{name}' not found");
+
+        return att;
+    }
+
+    public static XElement ElementEx(this XElement element, XName name)
+    {
+        var elem = element.Element(name);
+        if (elem == null)
+            throw new InvalidOperationException($"Element '{name}' not found");
+
+        return elem;
+    }
 }