From cadf28c58f7ecc2014943711bf637893b5d30aa8 Mon Sep 17 00:00:00 2001
From: Philemon Eichin <phileicht@gmx.de>
Date: Sun, 18 Jun 2023 21:45:14 +0200
Subject: [PATCH] Log line numbers for `XmlSchemaException`

---
 XmlSchemaClassGenerator/Generator.cs | 31 +++++++++++++++++++++++++++-
 1 file changed, 30 insertions(+), 1 deletion(-)

diff --git a/XmlSchemaClassGenerator/Generator.cs b/XmlSchemaClassGenerator/Generator.cs
index 54e4146f..052ad934 100644
--- a/XmlSchemaClassGenerator/Generator.cs
+++ b/XmlSchemaClassGenerator/Generator.cs
@@ -335,7 +335,14 @@ public void Generate(IEnumerable<string> files)
                 var ex = e.Exception as Exception;
                 while (ex != null)
                 {
-                    Log?.Invoke(ex.Message);
+                    if(ex is XmlSchemaException xmlException)
+                    {
+                        Log?.Invoke(FormatXmlSchemaExeption(xmlException));
+                    }
+                    else
+                    {
+                        Log?.Invoke(ex.Message);
+                    }
                     ex = ex.InnerException;
                 }
             };
@@ -378,5 +385,27 @@ public void Generate(XmlSchemaSet set)
                 writer.Write(ns);
             }
         }
+
+        private string FormatXmlSchemaExeption(XmlSchemaException e)
+        {
+            StringBuilder sb = new StringBuilder(e.Message);
+
+            if(!string.IsNullOrEmpty(e.SourceUri))
+            {
+                sb.AppendFormat(" at {0}:{1}:{2}",
+                    e.SourceUri,
+                    e.LineNumber, 
+                    e.LinePosition);
+            }
+            else if(e.SourceSchemaObject != null)
+            {
+                sb.AppendFormat(" at {0}:{1}:{2}",
+                    e.SourceSchemaObject.SourceUri,
+                    e.SourceSchemaObject.LineNumber,
+                    e.SourceSchemaObject.LinePosition);
+            }
+
+            return sb.ToString();
+        }
     }
 }
\ No newline at end of file