convey 0.2.0

A Rust create for outputting information and log messages for humans and machines
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127

use failure::{Backtrace, Context, Fail};
use serde_json::Error as JsonError;
use std::fmt::{self, Display};
use std::io;
use std::sync::PoisonError;
use termcolor::ParseColorError;

#[derive(Debug)]
/// Output's error type
pub struct Error {
    inner: Context<InnerError>,
}

impl Fail for Error {
    fn cause(&self) -> Option<&dyn Fail> {
        self.inner.cause()
    }

    fn backtrace(&self) -> Option<&Backtrace> {
        self.inner.backtrace()
    }
}

impl Display for Error {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        Display::fmt(&self.inner, f)
    }
}

#[derive(Fail, Debug)]
enum InnerError {
    #[fail(display = "{}", _0)]
    Custom(Context<String>),

    #[fail(display = "IO error: {}", _0)]
    Io(io::Error),

    #[fail(display = "{}", _0)]
    ParseColorError(ParseColorError),

    #[fail(display = "Json error: {}", _0)]
    Json(JsonError),

    #[fail(display = "Worker error: {}", _0)]
    WorkerError(String),

    #[fail(display = "Error syncing output")]
    SyncError(String),

    #[fail(display = "Error sending data to channel")]
    ChannelError(String),

    #[cfg(feature = "log")]
    #[fail(display = "{}", _0)]
    SetLoggerError(log::SetLoggerError),
}

impl Error {
    pub(crate) fn worker_error(x: String) -> Self {
        Error {
            inner: Context::new(InnerError::WorkerError(x)),
        }
    }

    pub(crate) fn sync_error<T>(x: &PoisonError<T>) -> Self {
        Error {
            inner: Context::new(InnerError::SyncError(x.to_string())),
        }
    }
}

impl From<InnerError> for Error {
    fn from(kind: InnerError) -> Error {
        Error {
            inner: Context::new(kind),
        }
    }
}

impl From<Context<String>> for Error {
    fn from(inner: Context<String>) -> Error {
        Error {
            inner: Context::new(InnerError::Custom(inner)),
        }
    }
}

impl From<io::Error> for Error {
    fn from(x: io::Error) -> Self {
        Error {
            inner: Context::new(InnerError::Io(x)),
        }
    }
}

impl From<ParseColorError> for Error {
    fn from(x: ParseColorError) -> Self {
        Error {
            inner: Context::new(InnerError::ParseColorError(x)),
        }
    }
}

impl From<JsonError> for Error {
    fn from(x: JsonError) -> Self {
        Error {
            inner: Context::new(InnerError::Json(x)),
        }
    }
}

impl<T: std::fmt::Debug> From<crossbeam_channel::SendError<T>> for Error {
    fn from(x: crossbeam_channel::SendError<T>) -> Self {
        Error {
            inner: Context::new(InnerError::ChannelError(x.to_string())),
        }
    }
}

#[cfg(feature = "log")]
impl From<log::SetLoggerError> for Error {
    fn from(x: log::SetLoggerError) -> Self {
        Error {
            inner: Context::new(InnerError::SetLoggerError(x)),
        }
    }
}