From d49bf35757d3d77c4ef66635de00c8b6e3fc64b8 Mon Sep 17 00:00:00 2001
From: uvok
Date: Sun, 3 Aug 2025 18:07:13 +0200
Subject: Use file prefix logger

---
 lib/log.dart | 58 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 lib/log.dart

(limited to 'lib/log.dart')

diff --git a/lib/log.dart b/lib/log.dart
new file mode 100644
index 0000000..6029ae9
--- /dev/null
+++ b/lib/log.dart
@@ -0,0 +1,58 @@
+// Copyright (C) 2025, uvok cheetah
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+import 'package:logger/logger.dart';
+
+Logger fileLogger([String? name]) {
+  String fileName = "???";
+
+  if (name == null) {
+    final String? callerName = StackTrace.current
+        .toString()
+        .split('\n')
+        .elementAtOrNull(1);
+    if (callerName != null) {
+      final int start = callerName.indexOf("package:");
+      if (start != -1) {
+        final int fileNameStart = start + "package:".length;
+        final int end = callerName.indexOf(":", fileNameStart);
+
+        if (end != -1 && end > fileNameStart) {
+          fileName = callerName.substring(fileNameStart, end);
+        }
+      }
+    }
+  } else {
+    fileName = name;
+  }
+  return Logger(printer: FilePrefixPrinter(SimplePrinter(), fileName));
+}
+
+class FilePrefixPrinter extends LogPrinter {
+  final LogPrinter delegate;
+  final String fileName;
+
+  FilePrefixPrinter(this.delegate, this.fileName);
+
+  @override
+  List<String> log(LogEvent event) {
+    final lines = delegate.log(event);
+    return lines.map((line) {
+      // ugh..... relying on implementation details...
+      var e = line.indexOf("[0m") + 3;
+      return '${line.substring(0, e)} [$fileName] ${line.substring(e)}';
+    }).toList();
+  }
+}
-- 
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