86 lines
3.0 KiB
Rust
86 lines
3.0 KiB
Rust
// This file is part of the NRGrip project.
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//
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// Copyright (c) 2016 Matteo Cypriani <mcy@lm7.fr>
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//! Error type for NRGrip.
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use std::error::Error;
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use std::fmt;
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use std::io;
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#[derive(Debug)]
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pub enum NrgError {
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Io(io::Error),
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NrgFormat,
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NrgFormatV1,
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NrgChunkId,
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NoNrgCue,
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AudioReadError,
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AudioWriteError
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}
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impl fmt::Display for NrgError {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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match *self {
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NrgError::Io(ref err) => err.fmt(f),
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NrgError::NrgFormat => write!(f, "NRG format unknown."),
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NrgError::NrgFormatV1 => write!(f, "NRG v1 format is not handled."),
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NrgError::NrgChunkId => write!(f, "NRG chunk ID unknown."),
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NrgError::NoNrgCue => write!(f, "NRG cue sheet chunk absent."),
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NrgError::AudioReadError => write!(f, "Error reading raw audio."),
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NrgError::AudioWriteError => write!(f, "Error writing raw audio."),
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}
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}
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}
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impl Error for NrgError {
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fn description(&self) -> &str {
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match *self {
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NrgError::Io(ref err) => err.description(),
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NrgError::NrgFormat => "NRG format",
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NrgError::NrgFormatV1 => "NRG format v1",
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NrgError::NrgChunkId => "NRG chunk ID",
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NrgError::NoNrgCue => "No NRG cue",
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NrgError::AudioReadError => "Audio read error",
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NrgError::AudioWriteError => "Audio write error",
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}
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}
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fn cause(&self) -> Option<&Error> {
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match *self {
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NrgError::Io(ref err) => Some(err),
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NrgError::NrgFormat => None,
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NrgError::NrgFormatV1 => None,
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NrgError::NrgChunkId => None,
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NrgError::NoNrgCue => None,
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NrgError::AudioReadError => None,
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NrgError::AudioWriteError => None,
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}
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}
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}
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impl From<io::Error> for NrgError {
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fn from(err: io::Error) -> NrgError {
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NrgError::Io(err)
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}
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}
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