aboutsummaryrefslogtreecommitdiff
path: root/src/format/weechat3.rs
blob: d0dba67951f193b0c00dec327f3aef114f30b3e4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
use std::io::{ self, BufRead, Write };
use std::borrow::ToOwned;

use log::Event;
use format::{ Encode, Decode };

use regex::Regex;

use chrono::*;

pub struct Weechat3;

static NORMAL_LINE: Regex = regex!(r"^(\d+-\d+-\d+ \d+:\d+:\d+)\t[@%+~&]?([^ <-]\S+)\t(.*)");
static ACTION_LINE: Regex = regex!(r"^(\d+-\d+-\d+ \d+:\d+:\d+)\t \*\t(\S+) (.*)");
static OTHER_LINES: Regex = regex!(r"^(\d+-\d+-\d+ \d+:\d+:\d+)\s(?:--|<--|-->)\s(\S+)\s(\S+)\s(\S+)\s(\S+)\s(\S+)(.*)\n$");
//static OTHER_LINES: Regex = regex!(r"(.+)");

static TIME_DATE_FORMAT: &'static str = "%Y-%m-%d %H:%M:%S";

pub struct Iter<R> where R: BufRead {
    input: R,
    buffer: String
}

impl<R> Iterator for Iter<R> where R: BufRead {
    type Item = ::Result<Event>;
    fn next(&mut self) -> Option<::Result<Event>> {
        fn time(s: &str) -> i64 {
            UTC.datetime_from_str(s, TIME_DATE_FORMAT).unwrap().timestamp()
        }
        fn mask(s: &str) -> String {
            s.trim_left_matches('(').trim_right_matches(')').to_owned()
        }

        loop {
            self.buffer.clear();
            match self.input.read_line(&mut self.buffer) {
                Ok(0) | Err(_) => return None,
                Ok(_) => ()
            }
            let line = &self.buffer;
            if let Some(cap) = NORMAL_LINE.captures(line) {
                return Some(Ok(Event::Msg {
                    from: cap.at(1).unwrap().to_owned(),
                    content: cap.at(2).unwrap().to_owned(),
                    time: time(cap.at(1).unwrap())
                }))
            } else if let Some(cap) = ACTION_LINE.captures(line) {
                return Some(Ok(Event::Action {
                    from: cap.at(1).unwrap().to_owned(),
                    content: cap.at(2).unwrap().to_owned(),
                    time: time(cap.at(1).unwrap())
                }))
            } else if let Some(cap) = OTHER_LINES.captures(line) {
                println!("{:?}", cap.iter().collect::<Vec<_>>());
                if cap.at(4) == Some("has") && cap.at(5) == Some("kicked") {
                    println!("    Matched Event::Kick");
                    return Some(Ok(Event::Kick {
                        kicked_nick: cap.at(6).unwrap().to_owned(),
                        kicking_nick: cap.at(3).unwrap().to_owned(),
                        kick_message: cap.at(4).unwrap().to_owned(),
                        time: time(cap.at(1).unwrap())
                    }))
                } else if cap.at(2) == Some("Topic") && cap.at(3) == Some("for") {
                    return Some(Ok(Event::Topic {
                        topic: { let mut s = cap.at(6).unwrap().to_string(); s.push_str(cap.at(7).unwrap()); s },
                        time: time(cap.at(1).unwrap())
                    }))
                } else if cap.at(3) == Some("has") && cap.at(5) == Some("changed") && cap.at(6) == Some("topic") {
                    return Some(Ok(Event::TopicChange {
                        new_topic: cap.at(5).unwrap().to_owned(),
                        time: time(cap.at(1).unwrap())
                    }))
                } else if cap.at(3) == Some("Mode") {
                    return Some(Ok(Event::Mode {
                        time: time(cap.at(1).unwrap())
                    }))
                } else if cap.at(4) == Some("has") && cap.at(5) == Some("joined") {
                    return Some(Ok(Event::Join {
                        nick: cap.at(2).unwrap().to_owned(),
                        channel: cap.at(6).unwrap().to_owned(),
                        mask: mask(cap.at(3).unwrap()),
                        time: time(cap.at(1).unwrap())
                    }))
                } else if cap.at(4) == Some("has") && cap.at(5) == Some("left") {
                    return Some(Ok(Event::Part {
                        nick: cap.at(2).unwrap().to_owned(),
                        channel: cap.at(6).unwrap().to_owned(),
                        reason: cap.at(7).unwrap().to_owned(),
                        mask: mask(cap.at(3).unwrap()),
                        time: time(cap.at(1).unwrap())
                    }))
                } else if cap.at(5) == Some("now") && cap.at(6) == Some("known") {
                    return Some(Ok(Event::Nick {
                        old: String::new(),
                        new: String::new(),
                        time: time(cap.at(1).unwrap())
                    }))
                }
            }
        }
    }
}

impl<R> Decode<R, Iter<R>> for Weechat3 where R: BufRead {
    fn decode(&mut self, input: R) -> Iter<R> {
        Iter {
            input: input,
            buffer: String::new()
        }
    }
}

impl<W> Encode<W> for Weechat3 where W: Write {
    fn encode(&self, mut output: W, event: &Event) -> io::Result<()> {
        fn date(t: i64) -> String {
            format!("{}", UTC.timestamp(t, 0).format(TIME_DATE_FORMAT))
        }
        match event {
            &Event::Msg { ref from, ref content, ref time } => {
                try!(write!(&mut output, "{}\t{}\t{}\n", date(*time), from, content))
            },
            &Event::Action { ref from, ref content, ref time } => {
                try!(write!(&mut output, "{}\t*\t{} {}\n", date(*time), from, content))
            },
            &Event::Join { ref nick, ref mask, ref channel, ref time } => {
                try!(write!(&mut output, "{}\t-->\t{} ({}) has joined {}\n",
                date(*time), nick, mask, channel))
            },
            &Event::Part { ref nick, ref mask, ref channel, ref time, ref reason } => {
                try!(write!(&mut output, "{}\t<--\t{} ({}) has left {}",
                date(*time), nick, mask, channel));
                if reason.len() > 0 {
                    try!(write!(&mut output, " ({})", reason));
                }
                try!(write!(&mut output, "\n"))
            },
            &Event::Quit { ref nick, ref mask, ref time, ref reason } => {
                try!(write!(&mut output, "{}\t<--\t{} ({}) has quit", date(*time), nick, mask));
                if reason.len() > 0 {
                    try!(write!(&mut output, " ({})", reason));
                }
                try!(write!(&mut output, "\n"))
            },
            _ => ()
        }
        Ok(())
    }
}