ftml/tree/
anchor.rs

1/*
2 * tree/anchor.rs
3 *
4 * ftml - Library to parse Wikidot text
5 * Copyright (C) 2019-2025 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 std::convert::TryFrom;
22use strum_macros::IntoStaticStr;
23
24#[derive(
25    Serialize, Deserialize, IntoStaticStr, Debug, Copy, Clone, Hash, PartialEq, Eq,
26)]
27#[serde(rename_all = "kebab-case")]
28pub enum AnchorTarget {
29    /// Open the link in a new tab.
30    /// HTML attribute is `_blank`.
31    NewTab,
32
33    /// Open the link in the parent frame.
34    /// HTML attribute is `_parent`.
35    Parent,
36
37    /// Open the link in the top-most frame.
38    /// HTML attribute is `_top`.
39    Top,
40
41    /// Open the link in the current frame.
42    /// HTML attribute is `_self`.
43    /// This is the default setting, so the "anchor" field does not need to be included.
44    Same,
45}
46
47impl AnchorTarget {
48    #[inline]
49    pub fn name(self) -> &'static str {
50        self.into()
51    }
52
53    #[inline]
54    pub fn html_attr(self) -> &'static str {
55        match self {
56            AnchorTarget::NewTab => "_blank",
57            AnchorTarget::Parent => "_parent",
58            AnchorTarget::Top => "_top",
59            AnchorTarget::Same => "_same",
60        }
61    }
62}
63
64impl<'a> TryFrom<&'a str> for AnchorTarget {
65    type Error = ();
66
67    fn try_from(value: &'a str) -> Result<Self, Self::Error> {
68        const ANCHOR_TARGET_VALUES: [(&str, &str, AnchorTarget); 4] = [
69            ("blank", "_blank", AnchorTarget::NewTab),
70            ("parent", "_parent", AnchorTarget::Parent),
71            ("top", "_top", AnchorTarget::Top),
72            ("self", "_self", AnchorTarget::Same),
73        ];
74
75        for (value1, value2, target) in &ANCHOR_TARGET_VALUES {
76            if value.eq_ignore_ascii_case(value1) || value.eq_ignore_ascii_case(value2) {
77                return Ok(*target);
78            }
79        }
80
81        Err(())
82    }
83}
ftml/tree/anchor.rs

ftml/tree/
anchor.rs
