src/tools/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 #![feature(question_mark)]
  17
  18 extern crate rustdoc;
  19 extern crate rustc_back;
  20
  21 use std::env;
  22 use std::error::Error;
  23 use std::process;
  24 use std::sync::atomic::{AtomicIsize, ATOMIC_ISIZE_INIT, Ordering};
  25 use subcommand::Subcommand;
  26 use term::Term;
  27
  28 mod term;
  29 mod error;
  30 mod book;
  31
  32 mod subcommand;
  33 mod help;
  34 mod build;
  35 mod serve;
  36 mod test;
  37
  38 static EXIT_STATUS: AtomicIsize = ATOMIC_ISIZE_INIT;
  39
  40 pub fn main() {
  41     let mut term = Term::new();
  42     let cmd: Vec<_> = env::args().collect();
  43
  44     if cmd.len() <= 1 {
  45         help::usage()
  46     } else {
  47         match subcommand::parse_name(&cmd[1][..]) {
  48             Some(mut subcmd) => {
  49                 match subcmd.parse_args(&cmd[..cmd.len()-1]) {
  50                     Ok(_) => {
  51                         match subcmd.execute(&mut term) {
  52                             Ok(_) => (),
  53                             Err(err) => {
  54                                 term.err(&format!("error: {}", err));
  55                             }
  56                         }
  57                     }
  58                     Err(err) => {
  59                         println!("{}", err.description());
  60                         println!("");
  61                         subcmd.usage();
  62                     }
  63                 }
  64             }
  65             None => {
  66                 println!("Unrecognized command '{}'.", cmd[1]);
  67                 println!("");
  68                 help::usage();
  69             }
  70         }
  71     }
  72     process::exit(EXIT_STATUS.load(Ordering::SeqCst) as i32);
  73 }