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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)]
extern crate chrono;
#[macro_use]
extern crate log as l;
extern crate rustc_serialize;
extern crate bincode;
extern crate rmp;
extern crate rmp_serialize as msgpack;
pub mod event;
pub mod format;
pub mod context;
use std::convert::From;
use std::{ io, result };
use std::error::Error;
use std::fmt::{ self, Display, Formatter };
use chrono::format::ParseError;
pub type Result<T> = result::Result<T, IlcError>;
#[derive(Debug)]
pub enum IlcError {
Parse(String),
Chrono(ParseError),
BincodeDecode,
BincodeEncode,
MsgpackEncode(msgpack::encode::Error),
MsgpackDecode(msgpack::decode::Error),
Io(io::Error)
}
impl Display for IlcError {
fn fmt(&self, fmt: &mut Formatter) -> fmt::Result {
fmt.write_str(self.description())
}
}
impl Error for IlcError {
fn description(&self) -> &str {
use IlcError::*;
match self {
&Parse(_) => "error while parsing",
&Chrono(_) => "error while parsing time strings",
&BincodeDecode => "error while decoding from binary",
&BincodeEncode => "error while encoding to binary",
&MsgpackDecode(_) => "error while decoding from msgpack",
&MsgpackEncode(_) => "error while encoding to msgpack",
&Io(_) => "error during input/output"
}
}
fn cause(&self) -> Option<&Error> {
use IlcError::*;
match self {
&Parse(ref _e) => None,
&Chrono(ref e) => Some(e),
&BincodeDecode => None,
&BincodeEncode => None,
&MsgpackDecode(ref e) => Some(e),
&MsgpackEncode(ref e) => Some(e),
&Io(ref e) => Some(e)
}
}
}
impl From<ParseError> for IlcError {
fn from(err: ParseError) -> IlcError { IlcError::Chrono(err) }
}
impl From<io::Error> for IlcError {
fn from(err: io::Error) -> IlcError { IlcError::Io(err) }
}
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