91 lines
2.4 KiB
Rust
91 lines
2.4 KiB
Rust
/*
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* Copyright (C) 2025 Nicolás Ortega Froysa <nicolas@ortegas.org> All rights reserved.
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* Author: Nicolás Ortega Froysa <nicolas@ortegas.org>
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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*
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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*
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* 3. This notice may not be removed or altered from any source
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* distribution.
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*/
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use std::env;
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use std::process;
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use crate::worker::work;
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mod worker;
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fn print_version() {
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println!("{} v{}", env!("CARGO_PKG_NAME"), env!("CARGO_PKG_VERSION"));
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}
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fn print_usage() {
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println!("Usage: {} <in-file> [out-file]", env!("CARGO_PKG_NAME"));
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}
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fn print_help() {
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print_version();
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println!("Usage: \n\
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\t{} <in-file> [out-file]\n\
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\t{} -h | -v\n\
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\n\
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OPTIONS:\n\
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\tin-file Input file ('-' for stdin)\n\
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\tout-file Output file\n\
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\t-h Show this help information\n\
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\t-v Show version information",
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env!("CARGO_PKG_NAME"), env!("CARGO_PKG_NAME"));
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}
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fn main() {
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let args:Vec<String> = env::args().collect();
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let mut in_path:Option<&str> = None;
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let mut out_path:Option<&str> = None;
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if args.len() < 2 || args.len() > 3 {
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eprintln!("Invalid number of arguments. Use -h for more information.");
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print_usage();
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process::exit(1);
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}
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for i in &args[1..args.len()] {
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if i == "-h" {
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print_help();
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return;
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} else if i == "-v" {
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print_version();
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return;
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} else if i.starts_with("-") && i != "-" {
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eprintln!("Invalid argument '{}'. Use -h for help information.", i);
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process::exit(1);
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}
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}
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if args[1] != "-" {
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in_path = Some(args[1].as_str());
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}
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if args.len() == 3 {
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out_path = Some(args[2].as_str());
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}
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let res = work(in_path, out_path);
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if let Err(err) = res {
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eprintln!("{}", err);
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process::exit(1);
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}
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}
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