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|
extern crate deque;
extern crate docopt;
extern crate env_logger;
extern crate fnv;
extern crate grep;
#[cfg(windows)]
extern crate kernel32;
#[macro_use]
extern crate lazy_static;
extern crate libc;
#[macro_use]
extern crate log;
extern crate memchr;
extern crate memmap;
extern crate num_cpus;
extern crate regex;
extern crate rustc_serialize;
extern crate term;
extern crate walkdir;
#[cfg(windows)]
extern crate winapi;
use std::error::Error;
use std::fs::File;
use std::io;
use std::path::{Path, PathBuf};
use std::process;
use std::result;
use std::sync::{Arc, Mutex};
use std::thread;
use deque::{Stealer, Stolen};
use grep::Grep;
use memmap::{Mmap, Protection};
use term::Terminal;
use walkdir::DirEntry;
use args::Args;
use out::{ColoredTerminal, Out};
use pathutil::strip_prefix;
use printer::Printer;
use search_stream::InputBuffer;
#[cfg(windows)]
use terminal_win::WindowsBuffer;
macro_rules! errored {
($($tt:tt)*) => {
return Err(From::from(format!($($tt)*)));
}
}
macro_rules! eprintln {
($($tt:tt)*) => {{
use std::io::Write;
let _ = writeln!(&mut ::std::io::stderr(), $($tt)*);
}}
}
mod args;
mod atty;
mod gitignore;
mod glob;
mod ignore;
mod out;
mod pathutil;
mod printer;
mod search_buffer;
mod search_stream;
#[cfg(windows)]
mod terminal_win;
mod types;
mod walk;
pub type Result<T> = result::Result<T, Box<Error + Send + Sync>>;
fn main() {
match Args::parse().and_then(run) {
Ok(count) if count == 0 => process::exit(1),
Ok(_) => process::exit(0),
Err(err) => {
eprintln!("{}", err);
process::exit(1);
}
}
}
fn run(args: Args) -> Result<u64> {
let args = Arc::new(args);
let paths = args.paths();
if args.files() {
return run_files(args.clone());
}
if args.type_list() {
return run_types(args.clone());
}
if paths.len() == 1 && (paths[0] == Path::new("-") || paths[0].is_file()) {
return run_one(args.clone(), &paths[0]);
}
let out = Arc::new(Mutex::new(args.out()));
let mut workers = vec![];
let workq = {
let (workq, stealer) = deque::new();
for _ in 0..args.threads() {
let worker = MultiWorker {
chan_work: stealer.clone(),
out: out.clone(),
outbuf: Some(args.outbuf()),
worker: Worker {
args: args.clone(),
inpbuf: args.input_buffer(),
grep: args.grep(),
match_count: 0,
},
};
workers.push(thread::spawn(move || worker.run()));
}
workq
};
let mut paths_searched: u64 = 0;
for p in paths {
if p == Path::new("-") {
paths_searched += 1;
workq.push(Work::Stdin);
} else {
for ent in try!(args.walker(p)) {
paths_searched += 1;
workq.push(Work::File(ent));
}
}
}
if !paths.is_empty() && paths_searched == 0 {
eprintln!("No files were searched, which means ripgrep probably \
applied a filter you didn't expect. \
Try running again with --debug.");
}
for _ in 0..workers.len() {
workq.push(Work::Quit);
}
let mut match_count = 0;
for worker in workers {
match_count += worker.join().unwrap();
}
Ok(match_count)
}
fn run_one(args: Arc<Args>, path: &Path) -> Result<u64> {
let mut worker = Worker {
args: args.clone(),
inpbuf: args.input_buffer(),
grep: args.grep(),
match_count: 0,
};
let term = args.stdout();
let mut printer = args.printer(term);
let work =
if path == Path::new("-") {
WorkReady::Stdin
} else {
WorkReady::PathFile(path.to_path_buf(), try!(File::open(path)))
};
worker.do_work(&mut printer, work);
Ok(worker.match_count)
}
fn run_files(args: Arc<Args>) -> Result<u64> {
let term = args.stdout();
let mut printer = args.printer(term);
let mut file_count = 0;
for p in args.paths() {
if p == Path::new("-") {
printer.path(&Path::new("<stdin>"));
file_count += 1;
} else {
for ent in try!(args.walker(p)) {
printer.path(ent.path());
file_count += 1;
}
}
}
Ok(file_count)
}
fn run_types(args: Arc<Args>) -> Result<u64> {
let term = args.stdout();
let mut printer = args.printer(term);
let mut ty_count = 0;
for def in args.type_defs() {
printer.type_def(def);
ty_count += 1;
}
Ok(ty_count)
}
enum Work {
Stdin,
File(DirEntry),
Quit,
}
enum WorkReady {
Stdin,
DirFile(DirEntry, File),
PathFile(PathBuf, File),
}
struct MultiWorker {
chan_work: Stealer<Work>,
out: Arc<Mutex<Out>>,
#[cfg(not(windows))]
outbuf: Option<ColoredTerminal<term::TerminfoTerminal<Vec<u8>>>>,
#[cfg(windows)]
outbuf: Option<ColoredTerminal<WindowsBuffer>>,
worker: Worker,
}
struct Worker {
args: Arc<Args>,
inpbuf: InputBuffer,
grep: Grep,
match_count: u64,
}
impl MultiWorker {
fn run(mut self) -> u64 {
loop {
let work = match self.chan_work.steal() {
Stolen::Empty | Stolen::Abort => continue,
Stolen::Data(Work::Quit) => break,
Stolen::Data(Work::Stdin) => WorkReady::Stdin,
Stolen::Data(Work::File(ent)) => {
match File::open(ent.path()) {
Ok(file) => WorkReady::DirFile(ent, file),
Err(err) => {
eprintln!("{}: {}", ent.path().display(), err);
continue;
}
}
}
};
let mut outbuf = self.outbuf.take().unwrap();
outbuf.clear();
let mut printer = self.worker.args.printer(outbuf);
self.worker.do_work(&mut printer, work);
let outbuf = printer.into_inner();
if !outbuf
|