ftml/parsing/rule/impls/block/blocks/
iframe.rs

1/*
2 * parsing/rule/impls/block/blocks/iframe.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
21use super::prelude::*;
22use crate::url::is_url;
23
24pub const BLOCK_IFRAME: BlockRule = BlockRule {
25    name: "block-iframe",
26    accepts_names: &["iframe"],
27    accepts_star: false,
28    accepts_score: false,
29    accepts_newlines: true,
30    parse_fn,
31};
32
33fn parse_fn<'r, 't>(
34    parser: &mut Parser<'r, 't>,
35    name: &'t str,
36    flag_star: bool,
37    flag_score: bool,
38    in_head: bool,
39) -> ParseResult<'r, 't, Elements<'t>> {
40    debug!("Parsing iframe block (in-head {in_head})");
41    assert!(!flag_star, "iframe doesn't allow star flag");
42    assert!(!flag_score, "iframe doesn't allow score flag");
43    assert_block_name(&BLOCK_IFRAME, name);
44
45    let (url, arguments) = parser.get_head_name_map(&BLOCK_IFRAME, in_head)?;
46    if !is_url(url) {
47        warn!("Iframe block references non-URL: {url}");
48        return Err(parser.make_err(ParseErrorKind::BlockMalformedArguments));
49    }
50
51    let element = Element::Iframe {
52        url: cow!(url),
53        attributes: arguments.to_attribute_map(parser.settings()),
54    };
55
56    ok!(element)
57}
ftml/parsing/rule/impls/block/blocks/iframe.rs

ftml/parsing/rule/impls/block/blocks/
iframe.rs
