hp-log 0.3.1

try to implement high performance log :w
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
128
129
130
131
132
133
134

use crate::config::FilterConf;
use crate::color::Color;
use log::Level;

#[derive(Copy, Clone)]
pub enum FilterLevel {
    Off   = 0,
    Debug = 1,
    Info  = 2,
    Warn  = 4,
    Error = 8,
    Trace  = 16,
} 

pub struct Filters {
    filter: u8,
}


#[allow(dead_code)]
impl Filters {
    pub fn new(conf: FilterConf) -> Self {
        //println!("conf : {:?}", conf);
        let mut filter = 0u8;
        if conf.debug {
            filter |= FilterLevel::Debug as u8;
        }
        if conf.info {
            filter |= FilterLevel::Info as u8;
        }

        if conf.warn {
            filter |= FilterLevel::Warn as u8;
        }

        if conf.error {
            filter |= FilterLevel::Error as u8;
        }

        if conf.trace {
            filter |= FilterLevel::Trace as u8;
        }

        Filters {
            filter,
        }
    }

    pub fn get_filter(&self) -> u8 {
        self.filter
    }

    #[allow(dead_code)]
    pub fn is_pass(&self, level: FilterLevel) -> bool {
        0 != (self.filter & level as u8)
    }

    #[allow(dead_code)]
    pub fn is_enable(&self, level: log::LevelFilter) -> bool {
        0 != (self.filter & level as u8)
    }
}

#[allow(dead_code)]
impl FilterLevel {
    pub fn to_str(self) -> &'static str {
        match self {
            FilterLevel::Debug => "DEBUG",
            FilterLevel::Info  => "INFO",
            FilterLevel::Warn  => "WARN",
            FilterLevel::Error => "ERROR",
            FilterLevel::Trace => "TRACE",
            FilterLevel::Off => "TRACE",
        } 
    }

    pub fn fg_color(self) -> Color {
        match self {
            FilterLevel::Debug => Color::Cyan,
            FilterLevel::Info  => Color::Green,
            FilterLevel::Warn  => Color::Yellow,
            FilterLevel::Error => Color::Red,
            FilterLevel::Trace => Color::White,
            FilterLevel::Off => Color::White,
        } 
    }

    pub fn bg_color(self) -> Color {
        match self {
            FilterLevel::Debug => Color::Black,
            FilterLevel::Info  => Color::Black,
            FilterLevel::Warn  => Color::Black,
            FilterLevel::Error => Color::Black,
            FilterLevel::Trace => Color::Black,
            FilterLevel::Off => Color::Black,
        } 
    }

    pub fn from(digit: u8) -> FilterLevel {
        match digit {
            0  => FilterLevel::Off,
            1  => FilterLevel::Debug,
            2  => FilterLevel::Info,
            4  => FilterLevel::Warn,
            8  => FilterLevel::Error,
            16 => FilterLevel::Trace,
            _ => unimplemented!(),
        }
    }
}

impl From<log::LevelFilter> for FilterLevel {
    fn from(level: log::LevelFilter) -> FilterLevel {
        match level {
            log::LevelFilter::Debug   => FilterLevel::Debug,
            log::LevelFilter::Info    => FilterLevel::Info,
            log::LevelFilter::Warn    => FilterLevel::Warn,
            log::LevelFilter::Error   => FilterLevel::Error,
            log::LevelFilter::Trace   => FilterLevel::Trace,
            _ => FilterLevel::Off,
        }
    }
}
impl From<Level> for FilterLevel {
    fn from(level: Level) -> FilterLevel {
        match level {
            Level::Debug   => FilterLevel::Debug,
            Level::Info    => FilterLevel::Info,
            Level::Warn    => FilterLevel::Warn,
            Level::Error   => FilterLevel::Error,
            Level::Trace   => FilterLevel::Trace,
        }
    }
}