Struct Options

Source

pub struct Options {
    pub progname: String,
    pub engine: String,
    pub selfautoloc: Option<PathBuf>,
    pub cache_dir: Option<PathBuf>,
}

Expand description

Configuration for constructing a Kpathsea instance.

Fields§

§progname: String

The program name ($progname), e.g. lualatex.

§engine: String

The engine name ($engine), e.g. luahbtex.

§selfautoloc: Option<PathBuf>

The directory standing in for $SELFAUTOLOC (the directory containing the TeX binaries). None locates kpsewhich on PATH.

§cache_dir: Option<PathBuf>

A directory where parsed ls-R databases are cached between runs.

Implementations§

Source §

impl Options

Source

pub fn lualatex() -> Self

Options for the lualatex program run by the luahbtex engine.

Examples found in repository ?

examples/kpsewhich.rs (line 13)

4fn main() {
5    let args: Vec<String> = std::env::args().collect();
6    let fmt = match args.get(1).map(String::as_str) {
7        Some("lua") => FileFormat::Lua,
8        Some("fmt") => FileFormat::Fmt,
9        Some("otf") => FileFormat::OpenType,
10        Some("tfm") => FileFormat::Tfm,
11        _ => FileFormat::Tex,
12    };
13    let mut k = Kpathsea::new(Options::lualatex()).unwrap();
14    let t = std::time::Instant::now();
15    let found = k.find_file(&args[2], fmt);
16    eprintln!("path: {:?}", k.search_path(fmt));
17    println!("{found:?} ({:?})", t.elapsed());
18}

More examples

Hide additional examples

examples/kpsetime.rs (line 6)

4fn main() {
5    let t = std::time::Instant::now();
6    let mut o = Options::lualatex();
7    o.cache_dir = Some(std::env::temp_dir().join("retex-kpse-test"));
8    let mut k = Kpathsea::new(o).unwrap();
9    let init = t.elapsed();
10    let t = std::time::Instant::now();
11    for n in [
12        "latex.ltx",
13        "article.cls",
14        "size10.clo",
15        "lmroman10-regular.otf",
16        "ltluatex.lua",
17    ] {
18        let f = if n.ends_with(".otf") {
19            FileFormat::OpenType
20        } else if n.ends_with(".lua") {
21            FileFormat::Lua
22        } else {
23            FileFormat::Tex
24        };
25        let _ = k.find_file(n, f);
26    }
27    println!("init {init:?}, 5 lookups {:?}", t.elapsed());
28}