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use failure;
use failure::Fail;
use failure::Backtrace;
use std::path::PathBuf;
pub type HResult<T> = Result<T, HError>;
#[derive(Fail, Debug)]
pub enum HError {
#[fail(display = "IO error: {}", error)]
IoError{#[cause] error: std::io::Error},
#[fail(display = "Mutex failed")]
MutexError,
#[fail(display = "Can't lock!")]
TryLockError,
#[fail(display = "Channel failed: {}", error)]
ChannelTryRecvError{#[cause] error: std::sync::mpsc::TryRecvError},
#[fail(display = "Channel failed: {}", error)]
ChannelRecvError{#[cause] error: std::sync::mpsc::RecvError},
#[fail(display = "Channel failed")]
ChannelSendError,
#[fail(display = "Previewer failed on file: {}", file)]
PreviewFailed{file: String},
#[fail(display = "StalePreviewer for file: {}", file)]
StalePreviewError{file: String},
#[fail(display = "Failed: {}", error)]
Error{#[cause] error: failure::Error },
#[fail(display = "Was None!")]
NoneError,
#[fail(display = "Not ready yet!")]
WillBeNotReady(Backtrace),
#[fail(display = "No widget found")]
NoWidgetError(Backtrace),
#[fail(display = "Path: {:?} not in this directory: {:?}", path, dir)]
WrongDirectoryError{ path: PathBuf, dir: PathBuf },
#[fail(display = "Widget finnished")]
PopupFinnished,
#[fail(display = "No completions found")]
NoCompletionsError,
#[fail(display = "No more history")]
NoHistoryError,
#[fail(display = "No core for widget")]
NoWidgetCoreError(Backtrace),
#[fail(display = "No header for widget")]
NoHeaderError,
#[fail(display = "You wanted this!")]
Quit,
#[fail(display = "HBox ratio mismatch: {} widgets, ratio is {:?}", wnum, ratio)]
HBoxWrongRatioError{ wnum: usize, ratio: Vec<usize> },
#[fail(display = "Got wrong widget: {}! Wanted: {}", got, wanted)]
WrongWidgetError{got: String, wanted: String},
#[fail(display = "Strip Prefix Error: {}", error)]
StripPrefixError{#[cause] error: std::path::StripPrefixError},
}
impl HError {
pub fn quit() -> HResult<()> {
Err(HError::Quit)
}
pub fn wrong_ratio<T>(wnum: usize, ratio: Vec<usize>) -> HResult<T> {
Err(HError::HBoxWrongRatioError{ wnum: wnum, ratio: ratio })
}
pub fn no_widget<T>() -> HResult<T> {
Err(HError::NoWidgetError(Backtrace::new()))
}
pub fn wrong_widget<T>(got: &str, wanted: &str) -> HResult<T> {
Err(HError::WrongWidgetError{ got: got.to_string(),
wanted: wanted.to_string()})
}
}
pub trait ErrorLog where Self: Sized {
fn log(self) {}
}
impl<T> ErrorLog for HResult<T> {
fn log(self) {
if let Err(err) = self {
eprintln!("{:?}", err);
}
}
}
// impl From<&HError> for HError {
// fn from(error: &HError) -> Self {
// dbg!(&error);
// (error.clone())
// }
// }
impl From<std::io::Error> for HError {
fn from(error: std::io::Error) -> Self {
dbg!(&error);
HError::IoError { error: error }
}
}
impl From<failure::Error> for HError {
fn from(error: failure::Error) -> Self {
dbg!(&error);
HError::Error { error: error }
}
}
impl From<std::sync::mpsc::TryRecvError> for HError {
fn from(error: std::sync::mpsc::TryRecvError) -> Self {
dbg!(&error);
HError::ChannelTryRecvError { error: error }
}
}
impl From<std::sync::mpsc::RecvError> for HError {
fn from(error: std::sync::mpsc::RecvError) -> Self {
dbg!(&error);
HError::ChannelRecvError { error: error }
}
}
impl<T> From<std::sync::mpsc::SendError<T>> for HError {
fn from(error: std::sync::mpsc::SendError<T>) -> Self {
dbg!(&error);
HError::ChannelSendError
}
}
impl<T> From<std::sync::PoisonError<T>> for HError {
fn from(_: std::sync::PoisonError<T>) -> Self {
dbg!("Poisoned Mutex");
HError::MutexError
}
}
impl<T> From<std::sync::TryLockError<T>> for HError {
fn from(error: std::sync::TryLockError<T>) -> Self {
dbg!(&error);
HError::TryLockError
}
}
impl From<std::option::NoneError> for HError {
fn from(error: std::option::NoneError) -> Self {
dbg!(&error);
HError::NoneError
}
}
impl From<std::path::StripPrefixError> for HError {
fn from(error: std::path::StripPrefixError) -> Self {
dbg!(&error);
HError::StripPrefixError{error: error}
}
}
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