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#[macro_use]
extern crate clap;
#[macro_use]
extern crate log;
use anyhow::anyhow;
use chrono::Local;
use clap::{Arg, ArgMatches, Command};
use clap_complete::Shell;
use env_logger::Builder;
use log::LevelFilter;
use mdbook::utils;
use std::env;
use std::ffi::OsStr;
use std::io::Write;
use std::path::PathBuf;
mod cmd;
const VERSION: &str = concat!("v", crate_version!());
fn main() {
init_logger();
let command = create_clap_command();
// Check which subcommand the user ran...
let res = match command.get_matches().subcommand() {
Some(("init", sub_matches)) => cmd::init::execute(sub_matches),
Some(("build", sub_matches)) => cmd::build::execute(sub_matches),
Some(("clean", sub_matches)) => cmd::clean::execute(sub_matches),
#[cfg(feature = "watch")]
Some(("watch", sub_matches)) => cmd::watch::execute(sub_matches),
#[cfg(feature = "serve")]
Some(("serve", sub_matches)) => cmd::serve::execute(sub_matches),
Some(("test", sub_matches)) => cmd::test::execute(sub_matches),
Some(("completions", sub_matches)) => (|| {
let shell = sub_matches
.get_one::<Shell>("shell")
.ok_or_else(|| anyhow!("Shell name missing."))?;
let mut complete_app = create_clap_command();
clap_complete::generate(
*shell,
&mut complete_app,
"mdbook",
&mut std::io::stdout().lock(),
);
Ok(())
})(),
_ => unreachable!(),
};
if let Err(e) = res {
utils::log_backtrace(&e);
std::process::exit(101);
}
}
/// Create a list of valid arguments and sub-commands
fn create_clap_command() -> Command {
let app = Command::new(crate_name!())
.about(crate_description!())
.author("Mathieu David <mathieudavid@mathieudavid.org>")
.version(VERSION)
.propagate_version(true)
.arg_required_else_help(true)
.after_help(
"For more information about a specific command, try `mdbook <command> --help`\n\
The source code for mdBook is available at: https://github.com/rust-lang/mdBook",
)
.subcommand(cmd::init::make_subcommand())
.subcommand(cmd::build::make_subcommand())
.subcommand(cmd::test::make_subcommand())
.subcommand(cmd::clean::make_subcommand())
.subcommand(
Command::new("completions")
.about("Generate shell completions for your shell to stdout")
.arg(
Arg::new("shell")
.value_parser(clap::value_parser!(Shell))
.help("the shell to generate completions for")
.value_name("SHELL")
.required(true),
),
);
#[cfg(feature = "watch")]
let app = app.subcommand(cmd::watch::make_subcommand());
#[cfg(feature = "serve")]
let app = app.subcommand(cmd::serve::make_subcommand());
app
}
fn init_logger() {
let mut builder = Builder::new();
builder.format(|formatter, record| {
writeln!(
formatter,
"{} [{}] ({}): {}",
Local::now().format("%Y-%m-%d %H:%M:%S"),
record.level(),
record.target(),
record.args()
)
});
if let Ok(var) = env::var("RUST_LOG") {
builder.parse_filters(&var);
} else {
// if no RUST_LOG provided, default to logging at the Info level
builder.filter(None, LevelFilter::Info);
// Filter extraneous html5ever not-implemented messages
builder.filter(Some("html5ever"), LevelFilter::Error);
}
builder.init();
}
fn get_book_dir(args: &ArgMatches) -> PathBuf {
if let Some(p) = args.get_one::<PathBuf>("dir") {
// Check if path is relative from current dir, or absolute...
if p.is_relative() {
env::current_dir().unwrap().join(p)
} else {
p.to_path_buf()
}
} else {
env::current_dir().expect("Unable to determine the current directory")
}
}
fn open<P: AsRef<OsStr>>(path: P) {
info!("Opening web browser");
if let Err(e) = opener::open(path) {
error!("Error opening web browser: {}", e);
}
}
#[test]
fn verify_app() {
create_clap_command().debug_assert();
}
|
