From ad60877951006ab1e50106796d393ffee98c110a Mon Sep 17 00:00:00 2001
From: Matthias Behr <mbehr@mcbehr.de>
Date: Tue, 5 Jan 2021 21:36:06 +0100
Subject: [PATCH] fix(restquery): treat ecu=null as undefined

We do accept ecu="null" as ECU named "null" but treat ecu=null as no ecu specified.
---
 src/dltDocumentProvider.ts | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/dltDocumentProvider.ts b/src/dltDocumentProvider.ts
index c837ea07..32a0f1c7 100644
--- a/src/dltDocumentProvider.ts
+++ b/src/dltDocumentProvider.ts
@@ -902,9 +902,12 @@ export class DltDocumentProvider implements vscode.TreeDataProvider<TreeViewNode
             if (opt.startsWith('ecu=')) {
                 ecuNameFilter = decodeURIComponent(opt.slice(opt.indexOf('=') + 1));
                 // allow the string be placed in "":
-                ecuNameFilter = ecuNameFilter.replace(/^"(.*?)"$/g, (match, p1, offset) => p1);
-                if (ecuNameFilter.length === 0) { ecuNameFilter = undefined; } else {
-                    console.log(`restQueryDocsEcus got ecuNameFilter='${ecuNameFilter}'`);
+                // we treat 'null' as undefined but "null" as ECU named null.
+                if (ecuNameFilter === 'null') { ecuNameFilter = undefined; } else {
+                    ecuNameFilter = ecuNameFilter.replace(/^"(.*?)"$/g, (match, p1, offset) => p1);
+                    if (ecuNameFilter.length === 0) { ecuNameFilter = undefined; } else {
+                        console.log(`restQueryDocsEcus got ecuNameFilter='${ecuNameFilter}'`);
+                    }
                 }
             }
         });