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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.
extern crate ilc;
extern crate chrono;
use std::io;
use std::collections::hash_map::*;
use chrono::offset::fixed::FixedOffset;
use chrono::naive::date::NaiveDate;
use ilc::event::{ Event, Type };
use ilc::context::Context;
use ilc::format::{ self, Decode };
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
}
}
fn main() {
let stdin = io::stdin();
let mut stats: HashMap<String, Person> = HashMap::new();
let context = Context {
timezone: FixedOffset::west(0),
override_date: Some(NaiveDate::from_ymd(2015, 6, 10)),
channel: Some("#code".to_owned())
};
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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