mirror of
https://github.com/uutils/coreutils
synced 2024-12-20 18:13:24 +00:00
103 lines
3 KiB
Rust
103 lines
3 KiB
Rust
#![crate_id(name="uutils", vers="1.0.0", author="Michael Gehring")]
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/*
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* This file is part of the uutils coreutils package.
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*
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* (c) Michael Gehring <mg@ebfe.org>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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extern crate getopts;
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@CRATES@
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use std::os;
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use std::collections::hashmap::HashMap;
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static NAME: &'static str = "uutils";
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static VERSION: &'static str = "1.0.0";
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fn util_map() -> HashMap<&str, fn(Vec<String>) -> int> {
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fn uutrue(_: Vec<String>) -> int { 0 }
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fn uufalse(_: Vec<String>) -> int { 1 }
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let mut map = HashMap::new();
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@UTIL_MAP@
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map
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}
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fn usage(cmap: &HashMap<&str, fn(Vec<String>) -> int>) {
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println!("{} {}", NAME, VERSION);
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println!("");
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println!("Usage:");
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println!(" {} [util [arguments...]", NAME);
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println!("Currently defined functions:");
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let mut utils: Vec<&str> = cmap.keys().map(|&s| s).collect();
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utils.sort();
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for util in utils.iter() {
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println!("\t{}", util);
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}
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println!("");
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}
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fn main() {
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let umap = util_map();
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let mut args = os::args();
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// try binary name as util name.
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let binary = Path::new(args.get(0).as_slice());
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let binary_as_util = binary.filename_str().unwrap();
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if umap.contains_key(&binary_as_util) {
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let &uumain = umap.get(&binary_as_util);
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os::set_exit_status(uumain(args));
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return
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} else if binary_as_util.starts_with("uutils")
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|| binary_as_util.starts_with("busybox") {
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// uutils can be called as either "uutils", "busybox"
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// "uutils-suffix" or "busybox-suffix". Not sure
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// what busybox uses the -suffix pattern for.
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} else {
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println!("{}: applet not found", binary_as_util);
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os::set_exit_status(1);
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return
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}
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// try first arg as util name.
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if args.len() >= 2 {
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args.shift();
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let util = args.get(0).as_slice();
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if umap.contains_key(&util) {
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let &uumain = umap.get(&util);
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os::set_exit_status(uumain(args.clone()));
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return
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} else if args.get(0).as_slice() == "--help" {
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// see if they want help on a specific util
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if args.len() >= 2 {
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let util = args.get(1).as_slice();
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if umap.contains_key(&util) {
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let &uumain = umap.get(&util);
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os::set_exit_status(uumain(vec!["--help".to_string()]));
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return
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} else {
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println!("{}: applet not found", util);
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os::set_exit_status(1);
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return
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}
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}
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usage(&umap);
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os::set_exit_status(0);
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return
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} else {
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println!("{}: applet not found", util);
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os::set_exit_status(1);
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return
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}
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} else {
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// no arguments provided
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usage(&umap);
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os::set_exit_status(0);
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return
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}
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}
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