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-rw-r--r--formats/weechat/src/lib.rs241
1 files changed, 241 insertions, 0 deletions
diff --git a/formats/weechat/src/lib.rs b/formats/weechat/src/lib.rs
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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(slice_patterns)]
+
+#[macro_use]
+extern crate log;
+extern crate ilc_base;
+
+use std::io::{BufRead, Write};
+use std::borrow::ToOwned;
+use std::iter::Iterator;
+
+use ilc_base::event::{Event, Time, Type};
+use ilc_base::{Context, Decode, Encode};
+use ilc_base::format::{rejoin, strip_one};
+
+use log::LogLevel::Info;
+
+pub struct Weechat;
+
+static TIME_DATE_FORMAT: &'static str = "%Y-%m-%d %H:%M:%S";
+
+pub struct Iter<'a> {
+ context: &'a Context,
+ input: &'a mut BufRead,
+ buffer: Vec<u8>,
+}
+
+impl<'a> Iterator for Iter<'a> {
+ type Item = ilc_base::Result<Event<'a>>;
+ fn next(&mut self) -> Option<ilc_base::Result<Event<'a>>> {
+ fn parse_time(c: &Context, date: &str, time: &str) -> Time {
+ Time::from_format(&c.timezone, &format!("{} {}", date, time), TIME_DATE_FORMAT)
+ }
+
+ loop {
+ self.buffer.clear();
+ match self.input.read_until(b'\n', &mut self.buffer) {
+ Ok(0) | Err(_) => return None,
+ Ok(_) => (),
+ }
+
+ let buffer = String::from_utf8_lossy(&self.buffer);
+
+ let mut split_tokens: Vec<char> = Vec::new();
+ let tokens = buffer.split(|c: char| {
+ if c.is_whitespace() {
+ split_tokens.push(c);
+ true
+ } else {
+ false
+ }
+ })
+ .collect::<Vec<_>>();
+
+ if log_enabled!(Info) {
+ info!("Original: `{}`", buffer);
+ info!("Parsing: {:?}", tokens);
+ }
+
+ match &tokens[..tokens.len() - 1] {
+ [date, time, "-->", nick, host, "has", "joined", channel, _..] => {
+ return Some(Ok(Event {
+ ty: Type::Join {
+ nick: nick.to_owned().into(),
+ mask: Some(strip_one(host).into()),
+ },
+ channel: Some(channel.to_owned().into()),
+ time: parse_time(&self.context, date, time),
+ }))
+ }
+ [date, time, "<--", nick, host, "has", "left", channel, reason..] => {
+ return Some(Ok(Event {
+ ty: Type::Part {
+ nick: nick.to_owned().into(),
+ mask: Some(strip_one(host).into()),
+ reason: Some(strip_one(&rejoin(reason, &split_tokens[8..])).into()),
+ },
+ channel: Some(channel.to_owned().into()),
+ time: parse_time(&self.context, date, time),
+ }))
+ }
+ [date, time, "<--", nick, host, "has", "quit", reason..] => {
+ return Some(Ok(Event {
+ ty: Type::Quit {
+ nick: nick.to_owned().into(),
+ mask: Some(strip_one(host).into()),
+ reason: Some(strip_one(&rejoin(reason, &split_tokens[7..])).into()),
+ },
+ time: parse_time(&self.context, date, time),
+ channel: self.context.channel.clone().map(Into::into),
+ }))
+ }
+ [date, time, "--", notice, content..] if notice.starts_with("Notice(") => {
+ return Some(Ok(Event {
+ ty: Type::Notice {
+ from: notice["Notice(".len()..notice.len() - 2].to_owned().into(),
+ content: rejoin(content, &split_tokens[4..]),
+ },
+ time: parse_time(&self.context, date, time),
+ channel: self.context.channel.clone().map(Into::into),
+ }))
+ }
+ [date, time, "--", "irc:", "disconnected", "from", "server", _..] => {
+ return Some(Ok(Event {
+ ty: Type::Disconnect,
+ time: parse_time(&self.context, date, time),
+ channel: self.context.channel.clone().map(Into::into),
+ }))
+ }
+ [date, time, "--", nick, verb, "now", "known", "as", new_nick] if verb == "is" ||
+ verb == "are" => {
+ return Some(Ok(Event {
+ ty: Type::Nick {
+ old_nick: nick.to_owned().into(),
+ new_nick: new_nick.to_owned().into(),
+ },
+ time: parse_time(&self.context, date, time),
+ channel: self.context.channel.clone().map(Into::into),
+ }))
+ }
+ [date, time, sp, "*", nick, msg..] if sp.clone().is_empty() => {
+ return Some(Ok(Event {
+ ty: Type::Action {
+ from: nick.to_owned().into(),
+ content: rejoin(msg, &split_tokens[5..]),
+ },
+ time: parse_time(&self.context, date, time),
+ channel: self.context.channel.clone().map(Into::into),
+ }))
+ }
+ [date, time, nick, msg..] => {
+ return Some(Ok(Event {
+ ty: Type::Msg {
+ from: nick.to_owned().into(),
+ content: rejoin(msg, &split_tokens[3..]),
+ },
+ time: parse_time(&self.context, date, time),
+ channel: self.context.channel.clone().map(Into::into),
+ }))
+ }
+ _ => (),
+ }
+ }
+ }
+}
+
+impl Decode for Weechat {
+ fn decode<'a>(&'a mut self,
+ context: &'a Context,
+ input: &'a mut BufRead)
+ -> Box<Iterator<Item = ilc_base::Result<Event<'a>>> + 'a> {
+ Box::new(Iter {
+ context: context,
+ input: input,
+ buffer: Vec::new(),
+ })
+ }
+}
+
+impl Encode for Weechat {
+ fn encode<'a>(&'a self,
+ context: &'a Context,
+ mut output: &'a mut Write,
+ event: &'a Event)
+ -> ilc_base::Result<()> {
+ match event {
+ &Event { ty: Type::Msg { ref from, ref content, .. }, ref time, .. } => {
+ try!(writeln!(&mut output,
+ "{}\t{}\t{}",
+ time.with_format(&context.timezone, TIME_DATE_FORMAT),
+ from,
+ content))
+ }
+ &Event { ty: Type::Action { ref from, ref content, .. }, ref time, .. } => {
+ try!(writeln!(&mut output,
+ "{}\t *\t{} {}",
+ time.with_format(&context.timezone, TIME_DATE_FORMAT),
+ from,
+ content))
+ }
+ &Event { ty: Type::Join { ref nick, ref mask, .. }, ref channel, ref time } => {
+ try!(writeln!(&mut output,
+ "{}\t-->\t{} ({}) has joined {}",
+ time.with_format(&context.timezone, TIME_DATE_FORMAT),
+ nick,
+ mask.as_ref().expect("Hostmask not present, but required."),
+ channel.as_ref().expect("Channel not present, but required.")))
+ }
+ &Event { ty: Type::Part { ref nick, ref mask, ref reason }, ref channel, ref time } => {
+ try!(write!(&mut output,
+ "{}\t<--\t{} ({}) has left {}",
+ time.with_format(&context.timezone, TIME_DATE_FORMAT),
+ nick,
+ mask.as_ref().expect("Hostmask not present, but required."),
+ channel.as_ref().expect("Channel not present, but required.")));
+ if reason.is_some() && reason.as_ref().unwrap().len() > 0 {
+ try!(write!(&mut output, " ({})", reason.as_ref().unwrap()));
+ }
+ try!(write!(&mut output, "\n"))
+ }
+ &Event { ty: Type::Quit { ref nick, ref mask, ref reason }, ref time, .. } => {
+ try!(write!(&mut output,
+ "{}\t<--\t{} ({}) has quit",
+ time.with_format(&context.timezone, TIME_DATE_FORMAT),
+ nick,
+ mask.as_ref().expect("Hostmask not present, but required.")));
+ if reason.is_some() && reason.as_ref().unwrap().len() > 0 {
+ try!(write!(&mut output, " ({})", reason.as_ref().unwrap()));
+ }
+ try!(write!(&mut output, "\n"))
+ }
+ &Event { ty: Type::Disconnect, ref time, .. } => {
+ try!(writeln!(&mut output,
+ "{}\t--\tirc: disconnected from server",
+ time.with_format(&context.timezone, TIME_DATE_FORMAT)))
+ }
+ &Event { ty: Type::Notice { ref from, ref content }, ref time, .. } => {
+ try!(writeln!(&mut output,
+ "{}\t--\tNotice({}): {}",
+ time.with_format(&context.timezone, TIME_DATE_FORMAT),
+ from,
+ content))
+ }
+ _ => (),
+ }
+ Ok(())
+ }
+}
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