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Diffstat (limited to 'src/format/weechat.rs')
-rw-r--r-- | src/format/weechat.rs | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/src/format/weechat.rs b/src/format/weechat.rs new file mode 100644 index 0000000..30fdc24 --- /dev/null +++ b/src/format/weechat.rs @@ -0,0 +1,200 @@ +// 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. + +use std::io::{ BufRead, Write }; +use std::borrow::{ ToOwned }; +use std::iter::{ Iterator }; + +use event::{ Event, Type, Time }; +use context::Context; +use format::{ Encode, Decode, rejoin, strip_one }; + +use l::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 = ::Result<Event<'a>>; + fn next(&mut self) -> Option<::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 = ::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) -> ::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(()) + } +} |