64 lines
2.0 KiB
Rust
64 lines
2.0 KiB
Rust
use std::fs::File;
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use std::io::{Read, Write};
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use std::process::exit;
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use clap::{crate_authors, crate_description, crate_name, crate_version, Command, Arg};
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use md2pdf::{markdown_to_latex, markdown_to_pdf};
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macro_rules! unwrap {
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($e: expr, $m: expr) => {
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match $e {
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Ok(v) => v,
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Err(e) => {
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eprintln!("{}: {}", $m, e);
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exit(1);
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}
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}
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}
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}
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fn main() {
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let matches = Command::new(crate_name!())
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.bin_name(crate_name!())
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.version(crate_version!())
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.author(crate_authors!("\n"))
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.about(crate_description!())
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.arg(Arg::new("INPUT")
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.long("input")
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.short('i')
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.help("Input markdown files")
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.required(true)
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.value_parser(clap::value_parser!(std::path::PathBuf))
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)
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.arg(Arg::new("OUTPUT")
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.long("output")
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.short('o')
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.help("Output tex or pdf file")
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.required(true)
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.value_parser(clap::value_parser!(std::path::PathBuf))
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)
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.get_matches();
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let input_path = matches.get_one::<std::path::PathBuf>("INPUT").unwrap();
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let mut content = String::new();
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let mut input = unwrap!(File::open(input_path), "couldn't open input file");
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unwrap!(input.read_to_string(&mut content), "couldn't read file content");
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let output_path = matches.get_one::<std::path::PathBuf>("OUTPUT").unwrap();
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let mut output = unwrap!(File::create(output_path), "couldn't open output file");
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if output_path.ends_with(".tex") {
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let tex = markdown_to_latex(content);
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unwrap!(output.write(tex.as_bytes()), "couldn't write output file");
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} else if output_path.ends_with(".pdf") {
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let data = unwrap!(markdown_to_pdf(content), "error while compiling latex, this is most likely a bug");
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unwrap!(output.write(&data), "coudln't write output file");
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} else {
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eprintln!("unknown file format for output: {}", output_path.display());
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exit(1);
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}
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}
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