70 lines
1.9 KiB
Rust
70 lines
1.9 KiB
Rust
use wasm_bindgen::prelude::*;
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use jotdown::Render;
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use std::fmt::Write;
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#[must_use]
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#[wasm_bindgen]
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pub fn jotdown_version() -> String {
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include_str!(concat!(env!("OUT_DIR"), "/version")).to_string()
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}
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#[must_use]
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#[wasm_bindgen]
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pub fn jotdown_render(djot: &str) -> String {
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let events = jotdown::Parser::new(djot);
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let mut html = String::new();
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jotdown::html::Renderer::default()
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.push(events, &mut html)
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.unwrap();
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html
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}
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#[must_use]
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#[wasm_bindgen]
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pub fn jotdown_parse(djot: &str) -> String {
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jotdown::Parser::new(djot)
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.map(|e| format!("{:?}\n", e))
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.collect()
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}
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#[must_use]
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#[wasm_bindgen]
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pub fn jotdown_parse_indent(djot: &str) -> String {
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let mut level = 0;
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let mut out = String::new();
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for e in jotdown::Parser::new(djot) {
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if !matches!(e, jotdown::Event::End(..)) {
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// use non-breaking space for indent because normal spaces gets squeezed by browser
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let nbsp = '\u{00a0}';
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(0..4 * level).for_each(|_| out.push(nbsp));
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}
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match e {
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jotdown::Event::Start(c, attrs) => {
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level += 1;
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if c.is_block() {
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out.push('[');
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} else {
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out.push('(');
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}
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out.write_fmt(format_args!("{:?}", c)).unwrap();
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if c.is_block() {
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out.push(']');
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} else {
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out.push(')');
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}
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if !attrs.is_empty() {
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out.write_fmt(format_args!(" {:?}", attrs)).unwrap();
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}
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out.push('\n');
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}
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jotdown::Event::End(..) => {
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level -= 1;
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}
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e => {
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out.write_fmt(format_args!("{:?}\n", e)).unwrap();
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}
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};
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}
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out
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}
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