typlite 0.14.16

Converts a subset of typst to markdown.
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
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146

//! Attributes for HTML elements and parsing

use ecow::EcoString;
use tinymist_derive::TypliteAttr;
use typst_html::HtmlAttrs;

use crate::Result;

/// Tag attributes defined for HTML elements.
pub mod md_attr {
    use typst_html::HtmlAttr;

    macro_rules! attrs {
        ($($attr:ident -> $name:ident)*) => {
            $(#[allow(non_upper_case_globals)]
            pub const $attr: HtmlAttr = HtmlAttr::constant(
                stringify!($name)
            );)*
        }
    }

    attrs! {
        media -> media
        src -> src
        alt -> alt
        level -> level
        dest -> dest
        lang -> lang
        block -> block
        text -> text
        mode -> mode
        value -> value
        caption -> caption
        class -> class
        id -> id
    }
}

#[derive(TypliteAttr, Default)]
pub struct IdocAttr {
    pub src: EcoString,
    pub mode: EcoString,
}

#[derive(TypliteAttr, Default)]
pub struct HeadingAttr {
    pub id: EcoString,
    pub level: usize,
}

#[derive(TypliteAttr, Default)]
pub struct ImageAttr {
    pub id: EcoString,
    pub src: EcoString,
    pub alt: EcoString,
}

#[derive(TypliteAttr, Default)]
pub struct FigureAttr {
    pub id: EcoString,
    pub caption: EcoString,
}

#[derive(TypliteAttr, Default)]
pub struct LinkAttr {
    pub dest: EcoString,
}

#[derive(TypliteAttr, Default)]
pub struct RawAttr {
    pub id: EcoString,
    pub lang: EcoString,
    pub block: bool,
    pub text: EcoString,
}

#[derive(TypliteAttr, Default)]
pub struct ListItemAttr {
    pub value: Option<u32>,
}

#[derive(TypliteAttr, Default)]
pub struct AlertsAttr {
    pub class: EcoString,
}

#[derive(TypliteAttr, Default)]
pub struct VerbatimAttr {
    pub block: bool,
    pub src: EcoString,
}

pub trait TypliteAttrsParser {
    fn parse(attrs: &HtmlAttrs) -> Result<Self>
    where
        Self: Sized;
}

pub trait TypliteAttrParser {
    fn parse_attr(content: &EcoString) -> Result<Self>
    where
        Self: Sized;
}

impl TypliteAttrParser for usize {
    fn parse_attr(content: &EcoString) -> Result<Self> {
        Ok(content
            .parse::<usize>()
            .map_err(|_| format!("cannot parse {content} as usize"))?)
    }
}

impl TypliteAttrParser for u32 {
    fn parse_attr(content: &EcoString) -> Result<Self> {
        Ok(content
            .parse::<u32>()
            .map_err(|_| format!("cannot parse {content} as u32"))?)
    }
}

impl TypliteAttrParser for bool {
    fn parse_attr(content: &EcoString) -> Result<Self> {
        Ok(content
            .parse::<bool>()
            .map_err(|_| format!("cannot parse {content} as bool"))?)
    }
}

impl TypliteAttrParser for EcoString {
    fn parse_attr(content: &EcoString) -> Result<Self> {
        Ok(content.clone())
    }
}

impl<T> TypliteAttrParser for Option<T>
where
    T: TypliteAttrParser,
{
    fn parse_attr(content: &EcoString) -> Result<Self> {
        if content.is_empty() {
            Ok(None)
        } else {
            T::parse_attr(content).map(Some)
        }
    }
}