104 lines
2.6 KiB
Rust
104 lines
2.6 KiB
Rust
/*
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* This file contains template code.
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* There is no need to edit this file unless you want to change template functionality.
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*/
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use std::{
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fs::{File, OpenOptions},
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io::Write,
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process,
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};
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const MODULE_TEMPLATE: &str = r#"pub fn part_one(input: &str) -> Option<u32> {
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None
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}
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pub fn part_two(input: &str) -> Option<u32> {
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None
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}
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aoc::solution!(DAY);
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn test_part_one() {
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assert_eq!(part_one(&aoc::read_file("examples", DAY)), None);
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}
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#[test]
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fn test_part_two() {
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assert_eq!(part_two(&aoc::read_file("examples", DAY)), None);
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}
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}
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"#;
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pub fn parse_args() -> Result<u8, pico_args::Error> {
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let mut args = pico_args::Arguments::from_env();
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args.free_from_str()
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}
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fn safe_create_file(path: &str) -> Result<File, std::io::Error> {
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OpenOptions::new().write(true).create_new(true).open(path)
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}
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fn create_file(path: &str) -> Result<File, std::io::Error> {
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OpenOptions::new().write(true).create(true).open(path)
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}
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fn main() {
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let day = match parse_args() {
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Ok(day) => day,
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Err(_) => {
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eprintln!("Need to specify a day (as integer). example: `cargo scaffold 7`");
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process::exit(1);
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}
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};
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let day_padded = format!("{day:02}");
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let input_path = format!("data/inputs/{day_padded}.txt");
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let example_path = format!("data/examples/{day_padded}.txt");
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let module_path = format!("src/bin/{day_padded}.rs");
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let mut file = match safe_create_file(&module_path) {
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Ok(file) => file,
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Err(e) => {
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eprintln!("Failed to create module file: {e}");
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process::exit(1);
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}
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};
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match file.write_all(MODULE_TEMPLATE.replace("DAY", &day.to_string()).as_bytes()) {
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Ok(_) => {
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println!("Created module file \"{}\"", &module_path);
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}
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Err(e) => {
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eprintln!("Failed to write module contents: {e}");
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process::exit(1);
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}
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}
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match create_file(&input_path) {
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Ok(_) => {
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println!("Created empty input file \"{}\"", &input_path);
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}
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Err(e) => {
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eprintln!("Failed to create input file: {e}");
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process::exit(1);
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}
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}
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match create_file(&example_path) {
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Ok(_) => {
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println!("Created empty example file \"{}\"", &example_path);
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}
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Err(e) => {
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eprintln!("Failed to create example file: {e}");
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process::exit(1);
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}
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}
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println!("---");
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println!("Type `cargo solve {}` to run your solution.", &day_padded);
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}
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