48 lines
1.8 KiB
Dart
48 lines
1.8 KiB
Dart
/*
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* Copyright (c) 2024-2026 Fabian Freund.
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*
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* This file is part of WebLibre
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* (see https://weblibre.eu).
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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import 'package:flutter_mozilla_components/flutter_mozilla_components.dart';
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/// AMO descriptions mix raw HTML tags with entity-escaped ones
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/// (e.g. `<b>not</b>` next to `<ul><li>…</li></ul>`). DOMParser
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/// would decode the entities to literal text characters, so turndown would
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/// emit them verbatim. Decode entities once here so the escaped tags become
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/// real markup before the extension runs.
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String _decodeHtmlEntities(String input) {
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return input
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.replaceAll('<', '<')
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.replaceAll('>', '>')
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.replaceAll('"', '"')
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.replaceAll(''', "'")
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.replaceAll(''', "'")
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.replaceAll(' ', ' ')
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.replaceAll('&', '&');
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}
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Future<String> turndownAddonHtml(String description) async {
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if (description.isEmpty) return '';
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final results = await GeckoBrowserExtensionService.turndownHtml([
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_decodeHtmlEntities(description),
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], timeout: const Duration(seconds: 3));
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final markdown = results.firstOrNull?.markdown?.trim();
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return (markdown == null || markdown.isEmpty) ? description : markdown;
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}
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