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|
use crate::app::Config;
use crate::templates::Html;
use color_eyre::eyre::{Result, WrapErr};
use comrak::nodes::{Ast, AstNode, NodeValue};
use comrak::plugins::syntect::SyntectAdapter;
use comrak::{
format_html_with_plugins, markdown_to_html_with_plugins, parse_document, Arena, ComrakOptions,
ComrakPlugins,
};
use lazy_static::lazy_static;
use lol_html::{element, html_content::ContentType, rewrite_str, RewriteStrSettings};
use std::cell::RefCell;
use std::sync::Arc;
use url::Url;
lazy_static! {
static ref SYNTECT_ADAPTER: SyntectAdapter<'static> = SyntectAdapter::new("base16-mocha.dark");
}
pub fn render(cfg: Arc<Config>, inp: &str) -> Result<String> {
let mut options = ComrakOptions::default();
options.extension.autolink = true;
options.extension.table = true;
options.extension.description_lists = true;
options.extension.superscript = true;
options.extension.strikethrough = true;
options.extension.footnotes = true;
options.render.unsafe_ = true;
let arena = Arena::new();
let root = parse_document(&arena, inp, &options);
let mut plugins = ComrakPlugins::default();
plugins.render.codefence_syntax_highlighter = Some(&*SYNTECT_ADAPTER);
iter_nodes(root, &|node| {
let mut data = node.data.borrow_mut();
match &mut data.value {
&mut NodeValue::Link(ref mut link) => {
let base = Url::parse("https://xeiaso.net/")?;
let u = base.join(std::str::from_utf8(&link.url.clone())?)?;
if u.scheme() != "conversation" {
return Ok(());
}
let parent = node.parent().unwrap();
node.detach();
let mut message = vec![];
for child in node.children() {
format_html_with_plugins(child, &options, &mut message, &plugins)?;
}
let message = std::str::from_utf8(&message)?;
let mut message = markdown_to_html_with_plugins(message, &options, &plugins);
crop_letters(&mut message, 3);
message.drain((message.len() - 5)..);
let mood = without_first(u.path());
let name = u.host_str().unwrap_or("Mara");
let mut html = vec![];
crate::templates::mara(&mut html, mood, name, Html(message.trim().into()))?;
let new_node = arena.alloc(AstNode::new(RefCell::new(Ast::new(
NodeValue::HtmlInline(html),
))));
parent.append(new_node);
Ok(())
}
_ => Ok(()),
}
})?;
let mut html = vec![];
format_html_with_plugins(root, &options, &mut html, &plugins).unwrap();
let html = String::from_utf8(html).wrap_err("post is somehow invalid UTF-8")?;
let html = rewrite_str(&html, RewriteStrSettings{
element_content_handlers: vec![
element!("xeblog-conv", |el| {
let name = el.get_attribute("name").expect("wanted xeblog-conv to contain name");
let name_lower = name.clone().to_lowercase();
let mood = el.get_attribute("mood").expect("wanted xeblog-conv to contain mood");
el.before(&format!(r#"
<div class="conversation">
<div class="conversation-picture conversation-smol">
<picture>
<source srcset="https://cdn.xeiaso.net/file/christine-static/stickers/{name_lower}/{mood}.avif" type="image/avif">
<source srcset="https://cdn.xeiaso.net/file/christine-static/stickers/{name_lower}/{mood}.webp" type="image/webp">
<img src="https://cdn.xeiaso.net/file/christine-static/stickers/{name_lower}/{mood}.png" alt="{name} is {mood}">
</picture>
</div>
<div class="conversation-chat"><<b>{name}</b>> "#), ContentType::Html);
el.after("</div></div>", ContentType::Html);
el.remove_and_keep_content();
Ok(())
}),
element!("xeblog-hero", |el| {
let file = el.get_attribute("file").expect("wanted xeblog-hero to contain file");
el.replace(&crate::tmpl::xeblog_hero(file, el.get_attribute("prompt")).0, ContentType::Html);
Ok(())
}),
element!("xeblog-salary-history", |el| {
el.replace(&crate::tmpl::xeblog_salary_history(cfg.clone()).0, ContentType::Html);
Ok(())
})
],
..RewriteStrSettings::default()
}).unwrap();
Ok(html)
}
fn iter_nodes<'a, F>(node: &'a AstNode<'a>, f: &F) -> Result<()>
where
F: Fn(&'a AstNode<'a>) -> Result<()>,
{
f(node)?;
for c in node.children() {
iter_nodes(c, f)?;
}
Ok(())
}
fn without_first(string: &str) -> &str {
string
.char_indices()
.nth(1)
.and_then(|(i, _)| string.get(i..))
.unwrap_or("")
}
fn crop_letters(s: &mut String, pos: usize) {
match s.char_indices().nth(pos) {
Some((pos, _)) => {
s.drain(..pos);
}
None => {
s.clear();
}
}
}
|
