From 63b71d9945977ea7d66bfd0e9fbcef55ec829565 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 12 Feb 2026 09:20:02 +0000
Subject: [PATCH] Add file:// protocol prefix to absolute paths in HTML exports

Co-authored-by: Tyrrrz <1935960+Tyrrrz@users.noreply.github.com>
---
 DiscordChatExporter.Core/Utils/Url.cs | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/DiscordChatExporter.Core/Utils/Url.cs b/DiscordChatExporter.Core/Utils/Url.cs
index 9ccbd30d..1250c604 100644
--- a/DiscordChatExporter.Core/Utils/Url.cs
+++ b/DiscordChatExporter.Core/Utils/Url.cs
@@ -1,4 +1,5 @@
 using System;
+using System.IO;
 using System.Text;
 
 namespace DiscordChatExporter.Core.Utils;
@@ -10,6 +11,22 @@ public static class Url
         var buffer = new StringBuilder();
         var position = 0;
 
+        // Check if the path is absolute
+        var isAbsolute = Path.IsPathRooted(filePath);
+
+        // For absolute paths, prepend file:// protocol for proper browser handling
+        if (isAbsolute)
+        {
+            buffer.Append("file://");
+
+            // On Windows, we need to add an extra slash before the drive letter
+            // e.g., file:///C:/path instead of file://C:/path
+            if (!filePath.StartsWith('/') && !filePath.StartsWith('\\'))
+            {
+                buffer.Append('/');
+            }
+        }
+
         while (true)
         {
             if (position >= filePath.Length)