Switched to sinum

gui/lib/src/util/url_protocol.dart

@@ -0,0 +1,63 @@
+import 'dart:io';
+
+import 'package:ffi/ffi.dart';
+import 'package:win32/win32.dart';
+
+final _hive = HKEY_CURRENT_USER;
+
+void registerUrlProtocol(String scheme, {String? executable, List<String>? arguments}) {
+  final prefix = _regPrefix(scheme);
+  final capitalized = scheme[0].toUpperCase() + scheme.substring(1);
+  final args = _getArguments(arguments).map((a) => _sanitize(a));
+  final cmd =
+      '${executable ?? Platform.resolvedExecutable} ${args.join(' ')}';
+  _regCreateStringKey(_hive, prefix, '', 'URL:$capitalized');
+  _regCreateStringKey(_hive, prefix, 'URL Protocol', '');
+  _regCreateStringKey(_hive, prefix + '\\shell\\open\\command', '', cmd);
+}
+
+void unregisterUrlProtocol(String scheme) {
+  final txtKey = TEXT(_regPrefix(scheme));
+  try {
+    RegDeleteTree(HKEY_CURRENT_USER, txtKey);
+  } finally {
+    free(txtKey);
+  }
+}
+
+String _regPrefix(String scheme) => 'SOFTWARE\\Classes\\$scheme';
+
+int _regCreateStringKey(int hKey, String key, String valueName, String data) {
+  final txtKey = TEXT(key);
+  final txtValue = TEXT(valueName);
+  final txtData = TEXT(data);
+  try {
+    return RegSetKeyValue(
+      hKey,
+      txtKey,
+      txtValue,
+      REG_VALUE_TYPE.REG_SZ,
+      txtData,
+      txtData.length * 2 + 2,
+    );
+  } finally {
+    free(txtKey);
+    free(txtValue);
+    free(txtData);
+  }
+}
+
+String _sanitize(String value) {
+  value = value.replaceAll(r'%s', '%1').replaceAll(r'"', '\\"');
+  return '"$value"';
+}
+
+List<String> _getArguments(List<String>? arguments) {
+  if (arguments == null) return ['%s'];
+
+  if (arguments.isEmpty && !arguments.any((e) => e.contains('%s'))) {
+    throw ArgumentError('arguments must contain at least 1 instance of "%s"');
+  }
+
+  return arguments;
+}