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use std::fs::{self, File};
use std::io::{BufWriter, Read, Write};
use std::process::Command;
use typst::export::pdf::PdfExporter;
use typst::layout::LayoutAction;
use typst::toddle::query::FileSystemFontProvider;
use typst::size::{Size, Size2D, SizeBox};
use typst::style::PageStyle;
use typst::Typesetter;
const CACHE_DIR: &str = "tests/cache";
fn main() {
let mut perfect_match = false;
let mut filter = Vec::new();
for arg in std::env::args().skip(1) {
if arg.as_str() == "--nocapture" {
continue;
} else if arg.as_str() == "=" {
perfect_match = true;
} else {
filter.push(arg);
}
}
fs::create_dir_all(format!("{}/serialized", CACHE_DIR)).unwrap();
fs::create_dir_all(format!("{}/rendered", CACHE_DIR)).unwrap();
fs::create_dir_all(format!("{}/pdf", CACHE_DIR)).unwrap();
for entry in fs::read_dir("tests/layouts/").unwrap() {
let path = entry.unwrap().path();
if path.extension() != Some(std::ffi::OsStr::new("typ")) {
continue;
}
let name = path.file_stem().unwrap().to_str().unwrap();
let matches = if perfect_match {
filter.iter().any(|pattern| name == pattern)
} else {
filter.is_empty() || filter.iter().any(|pattern| name.contains(pattern))
};
if matches {
let mut file = File::open(&path).unwrap();
let mut src = String::new();
file.read_to_string(&mut src).unwrap();
test(name, &src);
}
}
}
/// Create a _PDF_ with a name from the source code.
fn test(name: &str, src: &str) {
println!("Testing: {}.", name);
let mut typesetter = Typesetter::new();
typesetter.set_page_style(PageStyle {
dimensions: Size2D::with_all(Size::pt(250.0)),
margins: SizeBox::with_all(Size::pt(10.0)),
});
let provider = FileSystemFontProvider::from_listing("fonts/fonts.toml").unwrap();
typesetter.add_font_provider(provider.clone());
#[cfg(not(debug_assertions))] {
use std::time::Instant;
// Warmup.
let warmup_start = Instant::now();
let is_ok = typesetter.typeset(&src).is_ok();
let warmup_end = Instant::now();
if is_ok {
let start = Instant::now();
let tree = typesetter.parse(&src).unwrap();
let mid = Instant::now();
typesetter.layout(&tree).unwrap();
let end = Instant::now();
println!(" - cold start: {:?}", warmup_end - warmup_start);
println!(" - warmed up: {:?}", end - start);
println!(" - parsing: {:?}", mid - start);
println!(" - layouting: {:?}", end - mid);
println!();
}
};
let layouts = match typesetter.typeset(&src) {
Ok(layouts) => layouts,
Err(err) => {
println!(" - compilation failed: {}", err);
#[cfg(not(debug_assertions))]
println!();
return;
},
};
// Write the serialed layout file.
let path = format!("{}/serialized/{}.tld", CACHE_DIR, name);
let mut file = File::create(path).unwrap();
// Find all used fonts and their filenames.
let mut map = Vec::new();
let mut loader = typesetter.loader().borrow_mut();
for layout in &layouts {
for action in &layout.actions {
if let LayoutAction::SetFont(index, _) = action {
if map.iter().find(|(i, _)| i == index).is_none() {
let (_, provider_index) = loader.get_provider_and_index(*index);
let filename = provider.get_path(provider_index).to_str().unwrap();
map.push((*index, filename));
}
}
}
}
drop(loader);
// Write the font mapping into the serialization file.
writeln!(file, "{}", map.len()).unwrap();
for (index, path) in map {
writeln!(file, "{} {}", index, path).unwrap();
}
layouts.serialize(&mut file).unwrap();
// Render the layout into a PNG.
Command::new("python")
.arg("tests/render.py")
.arg(name)
.spawn()
.expect("failed to run python-based renderer");
// Write the PDF file.
let path = format!("{}/pdf/{}.pdf", CACHE_DIR, name);
let file = BufWriter::new(File::create(path).unwrap());
let exporter = PdfExporter::new();
exporter.export(&layouts, typesetter.loader(), file).unwrap();
}
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