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// Copyright 2015 Till Höppner
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#![feature(libc, plugin)]
#![plugin(regex_macros)]
extern crate ilc;
extern crate chrono;
extern crate docopt;
extern crate rustc_serialize;
extern crate libc;
extern crate regex;
#[macro_use]
extern crate log;
extern crate env_logger;
use std::process;
use std::io::{ self, BufReader };
use std::fs::File;
use std::error::Error;
use std::str::FromStr;
use std::collections::HashMap;
use docopt::Docopt;
use chrono::offset::fixed::FixedOffset;
use chrono::naive::date::NaiveDate;
use ilc::context::Context;
use ilc::format::{ self, Encode, Decode, DecodeBox };
use ilc::event::{ Event, Type };
static USAGE: &'static str = r#"
d8b 888
Y8P 888
888
888 888 .d8888b
888 888 d88P"
888 888 888
888 888 Y88b.
888 888 "Y8888P
A converter and statistics utility for IRC log files.
Usage:
ilc parse <file>...
ilc convert <informat> <outformat> [--date DATE] [--tz SECS] [--channel CH]
ilc freq
ilc (-h | --help | -v | --version)
Options:
-h --help Show this screen.
-v --version Show the version (duh).
--date DATE Override the date for this log. ISO 8601, YYYY-MM-DD.
--tz SECONDS UTC offset in the direction of the western hemisphere. [default: 0]
--channel CH Set a channel for the given log.
"#;
#[derive(RustcDecodable, Debug)]
struct Args {
cmd_parse: bool,
cmd_convert: bool,
cmd_freq: bool,
arg_file: Vec<String>,
arg_informat: Option<String>,
arg_outformat: Option<String>,
flag_help: bool,
flag_version: bool,
flag_date: Option<String>,
flag_tz: i32,
flag_channel: Option<String>
}
fn error(e: Box<Error>) -> ! {
println!("{}", e.description());
let mut e = e.cause();
while let Some(err) = e {
println!("\t{}", err.description());
e = err.cause();
}
process::exit(1)
}
fn main() {
env_logger::init().unwrap();
let args: Args = Docopt::new(USAGE)
.and_then(|d| d.decode())
.unwrap_or_else(|e| e.exit());
if args.flag_help {
println!("{}", USAGE);
process::exit(1)
}
let context = Context {
timezone: FixedOffset::west(args.flag_tz),
override_date: args.flag_date.and_then(|d| NaiveDate::from_str(&d).ok()),
channel: args.flag_channel.clone()
};
if args.cmd_parse {
let mut parser = format::energymech::Energymech;
let formatter = format::binary::Binary;
for file in args.arg_file {
let f: BufReader<File> = BufReader::new(File::open(file).unwrap());
let iter = parser.decode(&context, f);
for e in iter {
info!("Parsed: {:?}", e);
drop(formatter.encode(&context, io::stdout(), &e.unwrap()));
}
}
}
if args.cmd_convert {
let stdin = io::stdin();
let informat = args.arg_informat.expect("Must provide informat");
let outformat = args.arg_outformat.expect("Must provide outformat");
let mut decoder = format::decoder(&informat).expect("Decoder not available");
let encoder = format::encoder(&outformat).expect("Encoder not available");
let mut lock = stdin.lock();
for e in decoder.decode_box(&context, &mut lock) {
match e {
Ok(e) => {
let _ = encoder.encode(&context, &mut io::stdout(), &e);
},
Err(e) => error(Box::new(e))
}
}
}
if args.cmd_freq {
struct Person {
lines: u32,
words: u32
}
fn words(s: &str) -> u32 {
s.split_whitespace().filter(|s| !s.is_empty()).count() as u32
}
fn strip_nick_prefix(s: &str) -> &str {
if s.is_empty() { return s }
match s.as_bytes()[0] {
b'~' | b'&' | b'@' | b'%' | b'+' => &s[1..],
_ => s
}
}
let stdin = io::stdin();
let mut stats: HashMap<String, Person> = HashMap::new();
let mut parser = format::weechat3::Weechat3;
for e in parser.decode(&context, stdin.lock()) {
let m = match e {
Ok(m) => m,
Err(err) => panic!(err)
};
match m {
Event { ty: Type::Msg { ref from, ref content, .. }, .. } => {
let nick = strip_nick_prefix(from);
if stats.contains_key(nick) {
let p: &mut Person = stats.get_mut(nick).unwrap();
p.lines += 1;
p.words += words(content);
} else {
stats.insert(nick.to_owned(), Person {
lines: 1,
words: words(content)
});
}
},
_ => ()
}
}
let mut stats: Vec<(String, Person)> = stats.into_iter().collect();
stats.sort_by(|&(_, ref a), &(_, ref b)| b.words.cmp(&a.words));
for &(ref name, ref stat) in stats.iter().take(10) {
println!("{}:\n\tLines: {}\n\tWords: {}", name, stat.lines, stat.words)
}
}
}
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