src/rustbook/main.rs

   1 // Copyright 2014 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 #![deny(warnings)]
  12
  13 #![feature(iter_arith)]
  14 #![feature(rustc_private)]
  15 #![feature(rustdoc)]
  16
  17 extern crate rustdoc;
  18 extern crate rustc_back;
  19
  20 use std::env;
  21 use std::error::Error;
  22 use std::process;
  23 use std::sync::atomic::{AtomicIsize, ATOMIC_ISIZE_INIT, Ordering};
  24 use subcommand::Subcommand;
  25 use term::Term;
  26
  27 mod term;
  28 mod error;
  29 mod book;
  30
  31 mod subcommand;
  32 mod help;
  33 mod build;
  34 mod serve;
  35 mod test;
  36
  37 static EXIT_STATUS: AtomicIsize = ATOMIC_ISIZE_INIT;
  38
  39 fn main() {
  40     let mut term = Term::new();
  41     let cmd: Vec<_> = env::args().collect();
  42
  43     if cmd.len() <= 1 {
  44         help::usage()
  45     } else {
  46         match subcommand::parse_name(&cmd[1][..]) {
  47             Some(mut subcmd) => {
  48                 match subcmd.parse_args(&cmd[..cmd.len()-1]) {
  49                     Ok(_) => {
  50                         match subcmd.execute(&mut term) {
  51                             Ok(_) => (),
  52                             Err(err) => {
  53                                 term.err(&format!("error: {}", err));
  54                             }
  55                         }
  56                     }
  57                     Err(err) => {
  58                         println!("{}", err.description());
  59                         println!("");
  60                         subcmd.usage();
  61                     }
  62                 }
  63             }
  64             None => {
  65                 println!("Unrecognized command '{}'.", cmd[1]);
  66                 println!("");
  67                 help::usage();
  68             }
  69         }
  70     }
  71     process::exit(EXIT_STATUS.load(Ordering::SeqCst) as i32);
  72 }