Function generate_latex_from_gnuplot

src/utils.rs:153–180

Generate latex file from gnuplot This function generates a latex file with gnuplot `epslatex` backend and then source it into the generate latex function

(content: &str)

/// This function generates a latex file with gnuplot `epslatex` backend and then source it into
/// the generate latex function
pub fn generate_latex_from_gnuplot(content: &str) -> Result<PathBuf> {
    let path = Path::new(ART_PATH).join(hash(content)).with_extension("tex");

    let gnuplot_path = which::which("gnuplot")
        .map_err(Error::BinaryNotFound)?;

    let cmd = Command::new(gnuplot_path)
        .stdin(Stdio::piped())
        .current_dir(ART_PATH)
        .arg("-p")
        .spawn()
        .unwrap();
    //.expect("Could not spawn gnuplot");

    let mut stdin = cmd.stdin.unwrap();

    stdin
        .write_all(format!("set output '{}'\n", path.file_name().unwrap().to_str().unwrap()).as_bytes())
        .map_err(Error::Io)?;
    stdin
        .write_all("set terminal epslatex color standalone\n".as_bytes())
        .map_err(Error::Io)?;
    stdin
        .write_all(content.as_bytes())
        .map_err(Error::Io)?;

    Ok(path)
}

pub fn generate_latex_from_gnuplot_file(path: &Path) -> Result<PathBuf> {
    let mut content = String::new();