ftml 0.5.0

Foundation Text Markup Language - a library to render Wikidot text as HTML
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93

/*
 * parsing/rule/impls/block/mapping.rs
 *
 * ftml - Library to parse Wikidot text
 * Copyright (C) 2019-2021 Wikijump Team
 *
 * 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/>.
 */

use super::{blocks::*, BlockRule};
use std::collections::HashMap;
use unicase::UniCase;

pub const BLOCK_RULES: [BlockRule; 20] = [
    BLOCK_ANCHOR,
    BLOCK_BLOCKQUOTE,
    BLOCK_CHECKBOX,
    BLOCK_CODE,
    BLOCK_COLLAPSIBLE,
    BLOCK_CSS,
    BLOCK_DEL,
    BLOCK_DIV,
    BLOCK_HIDDEN,
    BLOCK_HTML,
    BLOCK_IFRAME,
    BLOCK_INCLUDE,
    BLOCK_INS,
    BLOCK_INVISIBLE,
    BLOCK_LINES,
    BLOCK_MARK,
    BLOCK_MODULE,
    BLOCK_RADIO,
    BLOCK_SIZE,
    BLOCK_SPAN,
];

pub type BlockRuleMap = HashMap<UniCase<&'static str>, &'static BlockRule>;

lazy_static! {
    pub static ref BLOCK_RULE_MAP: BlockRuleMap = build_block_rule_map(&BLOCK_RULES);
}

#[inline]
pub fn get_block_rule_with_name(name: &str) -> Option<&'static BlockRule> {
    let name = UniCase::ascii(name);

    BLOCK_RULE_MAP.get(&name).copied()
}

fn build_block_rule_map(block_rules: &'static [BlockRule]) -> BlockRuleMap {
    let mut map = HashMap::new();

    for block_rule in block_rules {
        assert!(
            block_rule.name.starts_with("block-"),
            "Block name does not start with 'block-'.",
        );

        assert_eq!(
            block_rule.accepts_names.is_empty(),
            false,
            "Rule has no accepted names",
        );

        for name in block_rule.accepts_names {
            let name = UniCase::ascii(*name);
            let previous = map.insert(name, block_rule);

            assert!(
                previous.is_none(),
                "Overwrote previous block rule during rule population!",
            );
        }
    }

    map
}

#[test]
fn block_rule_map() {
    let _ = &*BLOCK_RULE_MAP;
}