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use std::fs;
use std::path::{Path, PathBuf};
use anyhow::{anyhow, bail, Context};
fn main() -> anyhow::Result<()> {
let args: Vec<_> = std::env::args().collect();
if args.len() < 2 || args.len() > 3 {
println!("Usage: typst src.typ [out.pdf]");
return Ok(());
}
let src_path = Path::new(&args[1]);
let dest_path = if args.len() <= 2 {
let name = src_path
.file_name()
.ok_or_else(|| anyhow!("Source path is not a file."))?;
Path::new(name).with_extension("pdf")
} else {
PathBuf::from(&args[2])
};
if src_path == dest_path {
bail!("Source and destination path are the same.");
}
let src = fs::read_to_string(src_path).context("Failed to read from source file.")?;
let mut loader = typst::loading::FsLoader::new();
loader.search_path("fonts");
loader.search_system();
let mut cache = typst::cache::Cache::new(&loader);
let scope = typst::library::new();
let state = typst::exec::State::default();
let pass = typst::typeset(&mut loader, &mut cache, &src, &scope, state);
let map = typst::parse::LineMap::new(&src);
for diag in pass.diags {
let start = map.location(diag.span.start).unwrap();
let end = map.location(diag.span.end).unwrap();
println!(
"{}: {}:{}-{}: {}",
diag.level,
src_path.display(),
start,
end,
diag.message,
);
}
let buffer = typst::export::pdf(&cache, &pass.output);
fs::write(&dest_path, buffer).context("Failed to write PDF file.")?;
Ok(())
}
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