katex-parser 0.1.0

A port of the KaTeX parser: lexing and parsing LaTeX math expressions with macro expansion into a typed AST, plus a Unicode rendering backend
Documentation 
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// Ported from moonbit inspect/unicode_accent_test.mbt
#![allow(unused_imports)]
use crate::parse;
use crate::settings::{Macros, Settings};
use crate::unicode::render;
use crate::unicode::{LineStyle, RenderConfig};
use std::collections::HashMap;

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn t0() {
        assert_eq!(render(&parse("\\hat{x}", &mut Settings::new()).unwrap(), RenderConfig::new()), "x̂");
        assert_eq!(render(&parse("\\hat{x+y}", &mut Settings::new()).unwrap(), RenderConfig::new()), "hat(x + y)");
    }

    #[test]
    fn t1() {
        assert_eq!(render(&parse("\\acute{x}", &mut Settings::new()).unwrap(), RenderConfig::new()), "x́");
        assert_eq!(render(&parse("\\grave{x}", &mut Settings::new()).unwrap(), RenderConfig::new()), "x̀");
        assert_eq!(render(&parse("\\ddot{x}", &mut Settings::new()).unwrap(), RenderConfig::new()), "ẍ");
        assert_eq!(render(&parse("\\tilde{x}", &mut Settings::new()).unwrap(), RenderConfig::new()), "x̃");
        assert_eq!(render(&parse("\\bar{x}", &mut Settings::new()).unwrap(), RenderConfig::new()), "x̄");
        assert_eq!(render(&parse("\\breve{x}", &mut Settings::new()).unwrap(), RenderConfig::new()), "x̆");
        assert_eq!(render(&parse("\\check{x}", &mut Settings::new()).unwrap(), RenderConfig::new()), "x̌");
        assert_eq!(render(&parse("\\dot{x}", &mut Settings::new()).unwrap(), RenderConfig::new()), "ẋ");
        assert_eq!(render(&parse("\\mathring{x}", &mut Settings::new()).unwrap(), RenderConfig::new()), "x̊");
        assert_eq!(render(&parse("\\vec{x}", &mut Settings::new()).unwrap(), RenderConfig::new()), "x⃗");
    }

    #[test]
    fn t2() {
        assert_eq!(render(&parse("\\hat{\\overline{x}}", &mut Settings::new()).unwrap(), RenderConfig::new()), "hat(overline(x))");
        assert_eq!(render(&parse("\\hat{\\left(x\\right)}", &mut Settings::new()).unwrap(), RenderConfig::new()), "hat((x))");
        assert_eq!(render(&parse("\\hat{x}", &mut Settings::new()).unwrap(), RenderConfig::new()), "x̂");
    }

}