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

use serde::{Serialize, Deserialize};

use {Result, Build, LoggerBuilder};
use file::FileLoggerConfig;
use null::NullLoggerConfig;
use terminal::TerminalLoggerConfig;

/// Configuration of a logger builder.
pub trait Config: Sized + Serialize + for<'a> Deserialize<'a> {
    /// Logger builder.
    type Builder: Build;

    /// Makes a logger builder associated with this configuration.
    fn try_into_builder(self) -> Result<Self::Builder>;
}

/// The configuration of `LoggerBuilder`.
///
/// # Examples
///
/// Null logger.
///
/// ```
/// extern crate sloggers;
/// extern crate tomlconv;
///
/// use sloggers::{Config, LoggerConfig};
/// use tomlconv::FromToml;
///
/// # fn main() {
/// let toml = r#"
/// type = "null"
/// "#;
/// let _config = LoggerConfig::from_toml_str(toml).unwrap();
/// # }
/// ```
///
/// Terminal logger.
///
/// ```
/// extern crate sloggers;
/// extern crate tomlconv;
///
/// use sloggers::{Config, LoggerConfig};
/// use tomlconv::FromToml;
///
/// # fn main() {
/// let toml = r#"
/// type = "terminal"
/// level = "warning"
/// "#;
/// let _config = LoggerConfig::from_toml_str(toml).unwrap();
/// # }
/// ```
///
/// File logger.
///
/// ```
/// extern crate sloggers;
/// extern crate tomlconv;
///
/// use sloggers::{Config, LoggerConfig};
/// use tomlconv::FromToml;
///
/// # fn main() {
/// let toml = r#"
/// type = "file"
/// path = "/path/to/file.log"
/// timezone = "utc"
/// "#;
/// let _config = LoggerConfig::from_toml_str(toml).unwrap();
/// # }
/// ```
#[allow(missing_docs)]
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(tag = "type")]
pub enum LoggerConfig {
    #[serde(rename = "file")]
    File(FileLoggerConfig),

    #[serde(rename = "null")]
    Null(NullLoggerConfig),

    #[serde(rename = "terminal")]
    Terminal(TerminalLoggerConfig),
}
impl Config for LoggerConfig {
    type Builder = LoggerBuilder;
    fn try_into_builder(self) -> Result<Self::Builder> {
        match self {
            LoggerConfig::File(c) => track!(c.try_into_builder()).map(LoggerBuilder::File),
            LoggerConfig::Null(c) => track!(c.try_into_builder()).map(LoggerBuilder::Null),
            LoggerConfig::Terminal(c) => track!(c.try_into_builder()).map(LoggerBuilder::Terminal),
        }
    }
}