ftml/render/
null.rs

1/*
2 * render/null.rs
3 *
4 * ftml - Library to parse Wikidot text
5 * Copyright (C) 2019-2026 Wikijump Team
6 *
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
16 *
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 */
20
21//! A trivial renderer.
22//!
23//! This implementation of `Render` will consume any input syntax tree
24//! and produce a unit value as output.
25
26use super::prelude::*;
27
28#[derive(Debug)]
29pub struct NullRender;
30
31impl Render for NullRender {
32    type Output = ();
33
34    #[inline]
35    fn render(
36        &self,
37        _tree: &SyntaxTree,
38        _page_info: &PageInfo,
39        _settings: &WikitextSettings,
40    ) {
41        info!("Running null renderer");
42        // do nothing
43    }
44}
45
46#[test]
47fn null() {
48    use crate::layout::Layout;
49    use crate::tree::BibliographyList;
50
51    let page_info = PageInfo::dummy();
52    let settings = WikitextSettings::from_mode(WikitextMode::Page, Layout::Wikidot);
53    let result = SyntaxTree::from_element_result(
54        vec![],
55        vec![],
56        (vec![], vec![]),
57        vec![],
58        (vec![], true),
59        BibliographyList::new(),
60        0,
61    );
62    let (tree, _) = result.into();
63    NullRender.render(&tree, &page_info, &settings);
64}
ftml/render/null.rs

ftml/render/
null.rs
