prepare for multiple apps

2026-04-06 12:23:11 +02:00
parent bd1600e8dc
commit 5afc323f04
904 changed files with 29 additions and 29 deletions
@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2024-2026 Fabian Freund.
+ *
+ * This file is part of WebLibre
+ * (see https://weblibre.eu).
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+import 'package:markdown/markdown.dart';
+import 'package:nullability/nullability.dart';
+import 'package:path/path.dart' as p;
+
+List<Uri> extractImagesFromMarkdown(String markdownText) {
+  final imageUrls = <Uri>[];
+
+  final nodes = Document().parse(markdownText);
+
+  void findImages(List<Node> nodes) {
+    for (final node in nodes) {
+      if (node is Element && node.tag == 'img') {
+        final url = node.attributes['src'];
+
+        if (url.mapNotNull((url) => Uri.tryParse(url)) case final Uri url) {
+          if (p.extension(url.path)
+              case '.png' || '.jpg' || '.jpeg' || '.webp') {
+            imageUrls.add(url);
+          }
+        }
+      }
+
+      if (node is Element && node.children != null) {
+        findImages(node.children!);
+      }
+    }
+  }
+
+  findImages(nodes);
+
+  return imageUrls;
+}