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extern crate getopts;
extern crate url;
use getopts::Options;
use url::Url;
use std::env;
use std::error::Error;
use std::io::{self, Write};
use std::io::prelude::*;
use std::net::TcpListener;
use std::process::Command;
const DEFAULT_PORT: u16 = 37705;
fn open_stream(browser: String, port: u16) -> Result<(), Box<Error>> {
let listener = TcpListener::bind(
format!("127.0.0.1:{}", port)
)?;
for stream in listener.incoming() {
match stream {
Ok(mut stream) => {
let mut url = String::new();
stream.read_to_string(&mut url)?;
let url = Url::parse(url.as_str())?;
Command::new("open")
.arg("-a")
.arg(&browser)
.arg(&url.as_str())
.spawn()?;
}
Err(e) => {
writeln!(io::stderr(), "{}", e)?;
}
}
}
Ok(())
}
fn print_usage(opts: Options) {
let brief = "Usage: hearurl -b BROWSER";
print!("{}", opts.usage(&brief));
}
fn main() {
let args: Vec<String> = env::args().collect();
let mut opts = Options::new();
opts.optopt("b", "browser", "set browser", "BROWSER");
opts.optopt("p", "port", "set port number", "PORT");
opts.optflag("h", "help", "print this help menu");
let opt_matches = match opts.parse(&args[1..]) {
Ok(m) => m,
Err(e) => panic!(e.to_string()),
};
if opt_matches.opt_present("h") {
print_usage(opts);
return
}
let browser = match opt_matches.opt_str("b") {
Some(b) => b,
None => {
print_usage(opts);
return
},
};
let port: u16 = match opt_matches.opt_str("p") {
Some(p) => p.parse().expect("Unable to parse specified port"),
None => DEFAULT_PORT,
};
open_stream(browser, port).unwrap_or_else(|e| {
writeln!(io::stderr(), "{}", e)
.expect("Failed printing to stderr");
});
}
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