52 lines
1.6 KiB
Dart
52 lines
1.6 KiB
Dart
/*
|
|
* 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;
|
|
}
|