katex_parser/unicode/
config.rs

1use std::rc::Rc;
2
3use crate::anvil::SpacingSpec;
4use crate::ast::StyleLevel;
5
6/// Configuration for the Unicode renderer.
7#[derive(Debug, Clone, PartialEq, Eq)]
8pub struct RenderConfig {
9    pub fraction_slash: String,
10    pub spacing: SpacingSpec,
11    pub line_style: LineStyle,
12}
13
14/// Glyph style for drawn lines: fraction bars, boxes, tables, etc.
15#[derive(Debug, Clone, Copy, PartialEq, Eq)]
16#[derive(Default)]
17pub enum LineStyle {
18    Ascii,
19    #[default]
20    Unicode,
21}
22
23
24/// Unicode text spacing: regular spaces for thick/medium, thin and after
25/// operators.
26pub fn unicode_text_spacing() -> SpacingSpec {
27    SpacingSpec {
28        thick: " ".to_string(),
29        medium: " ".to_string(),
30        thin: " ".to_string(),
31        operator: " ".to_string(),
32    }
33}
34
35impl RenderConfig {
36    pub fn new() -> Self {
37        RenderConfig {
38            fraction_slash: "∕".to_string(),
39            spacing: unicode_text_spacing(),
40            line_style: LineStyle::Unicode,
41        }
42    }
43}
44
45impl Default for RenderConfig {
46    fn default() -> Self {
47        RenderConfig::new()
48    }
49}
50
51/// The line character for a fraction bar under the given style.
52pub fn line_style_frac_bar(style: LineStyle) -> String {
53    match style {
54        LineStyle::Ascii => "-".to_string(),
55        LineStyle::Unicode => "─".to_string(),
56    }
57}
58
59#[derive(Clone)]
60pub(crate) struct RenderState {
61    pub style: StyleLevel,
62    pub in_display: bool,
63    pub in_tight: bool,
64    pub config: Rc<RenderConfig>,
65}
katex_parser/unicode/config.rs

katex_parser/unicode/
config.rs
