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moonythm/src/main.rs

106 lines
2.8 KiB
Rust

use std::fmt::Write;
use std::fs::{self};
use std::path::{Path, PathBuf};
use std::process::Command;
use std::str::FromStr;
use anyhow::{anyhow, Context};
use html::render_html;
use metadata::PageMetadata;
mod html;
mod metadata;
mod template;
fn copy_recursively(from: &Path, to: &Path) -> anyhow::Result<()> {
Command::new("cp").arg("-r").arg(from).arg(to).output()?;
Ok(())
}
// {{{ Generate single page
fn generate_page(path: &Path) -> anyhow::Result<()> {
let content_path = PathBuf::from_str("content")?.join(path);
let djot_input = std::fs::read_to_string(&content_path).unwrap();
let mut out = String::new();
let mut page_renderer = template!("templates/page.html", &mut out)?;
let events = jotdown::Parser::new(&djot_input);
let metadata = PageMetadata::new(events, content_path)?;
while let Some(label) = page_renderer.current() {
if label == "content" {
let events = jotdown::Parser::new(&djot_input);
render_html(&metadata, events, &mut out)?;
page_renderer.next(&mut out)?;
} else if label == "navigation" {
out.write_str(r#"<a href="/"><code>~</code></a>"#)?;
out.write_str(" / ")?;
out.write_str(r#"<a href="/posts"><code>posts</code></a>"#)?;
page_renderer.next(&mut out)?;
} else {
break;
}
}
page_renderer.finish(&mut out)?;
let mut out_path = PathBuf::from_str("dist")?.join(path);
out_path.set_file_name(format!(
"{}.html",
path.file_stem()
.ok_or_else(|| anyhow!("Empty filestem encountered"))?
.to_str()
.unwrap()
));
std::fs::write(out_path, out).with_context(|| "Failed to write `arcaea.html` post")?;
Ok(())
}
// }}}
// {{{ Generate an entire directory
fn generate_dir(path: &Path) -> anyhow::Result<()> {
let content_path = PathBuf::from_str("content")?.join(path);
let out_path = PathBuf::from_str("dist")?.join(path);
fs::create_dir_all(&out_path)
.with_context(|| format!("Could not generate directory {path:?}"))?;
for file in fs::read_dir(&content_path)? {
let file_path = file?.path();
let filename = file_path.file_name().unwrap();
let path = path.join(filename);
if file_path.is_dir() {
generate_dir(&path)?;
} else if file_path.extension().map_or(false, |ext| ext == "dj") {
generate_page(&path)?;
} else {
fs::copy(content_path.join(filename), out_path.join(filename))?;
}
}
Ok(())
}
// }}}
fn main() -> anyhow::Result<()> {
let public_path = PathBuf::from_str("public")?;
let dist_path = PathBuf::from_str("dist")?;
if dist_path.exists() {
std::fs::remove_dir_all(&dist_path).with_context(|| "Cannot delete `dist` directory")?;
}
std::fs::create_dir(&dist_path).with_context(|| "Cannot create `dist` directory")?;
for p in std::fs::read_dir(public_path)? {
copy_recursively(&p?.path(), &dist_path)
.with_context(|| "Cannot copy `public` -> `dist`")?;
}
generate_dir(&PathBuf::new())?;
Ok(())
}