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
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157

//! Logging in libalpm

use std::default::Default;
use std::fmt;
use std::cmp::{self, Ordering};

use alpm_sys::*;

/// The highest log level marked true
#[derive(Debug, PartialEq, Eq, Copy, Clone)]
pub enum LogLevel {
    Error,
    Warning,
    Debug,
    Function,
    None
}

impl cmp::Ord for LogLevel {
    fn cmp(&self, other: &LogLevel) -> Ordering {
        match *self {
            LogLevel::Error => match *other {
                LogLevel::Error => Ordering::Equal,
                _ => Ordering::Greater,
            },
            LogLevel::Warning => match *other {
                LogLevel::Error => Ordering::Less,
                LogLevel::Warning => Ordering::Equal,
                _ => Ordering::Greater,
            },
            LogLevel::Debug => match *other {
                LogLevel::Error | LogLevel::Warning => Ordering::Less,
                LogLevel::Debug => Ordering::Equal,
                _ => Ordering::Greater,
            },
            LogLevel::Function => match *other {
                LogLevel::None => Ordering::Greater,
                LogLevel::Function => Ordering::Equal,
                _ => Ordering::Less,
            },
            LogLevel::None => match *other {
                LogLevel::None => Ordering::Equal,
                _ => Ordering::Less,
            }
        }
    }
}

impl cmp::PartialOrd for LogLevel {
    fn partial_cmp(&self, other: &LogLevel) -> Option<Ordering> {
        Some(self.cmp(other))
    }
}

impl fmt::Display for LogLevel {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {

        match *self {
            LogLevel::Error => write!(f, "ERROR"),
            LogLevel::Warning => write!(f, "WARNING"),
            LogLevel::Debug => write!(f, "DEBUG"),
            LogLevel::Function => write!(f, "FUNCTION"),
            LogLevel::None => write!(f, "NONE"),
        }
    }
}

/// The possible log-levels
#[derive(Debug, PartialEq, Copy, Clone)]
pub struct LogLevels {
    pub error: bool,
    pub warning: bool,
    pub debug: bool,
    pub function: bool
}

impl fmt::Display for LogLevels {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        let single: LogLevel = self.clone().into();
        write!(f, "{}", single)
    }
}

impl Default for LogLevels {
    fn default() -> LogLevels {
        LogLevels {
            error: false,
            warning: false,
            debug: false,
            function: false,
        }
    }
}

impl LogLevels {
    /// Error loglevel
    pub fn error() -> LogLevels {
        LogLevels { error: true, ..Default::default() }
    }

    /// Warning loglevel
    pub fn warning() -> LogLevels {
        LogLevels { warning: true, ..Default::default() }
    }

    /// Debug loglevel
    pub fn debug() -> LogLevels {
        LogLevels { debug: true, ..Default::default() }
    }

    /// Function loglevel
    pub fn function() -> LogLevels {
        LogLevels { function: true, ..Default::default() }
    }
}

impl Into<u32> for LogLevels {
    fn into(self) -> u32 {
        let mut acc = 0;
        if self.error {
            acc |= ALPM_LOG_ERROR;
        };
        if self.warning {
            acc |= ALPM_LOG_WARNING;
        };
        if self.debug {
            acc |= ALPM_LOG_DEBUG;
        };
        if self.function {
            acc |= ALPM_LOG_FUNCTION;
        };
        acc
    }
}

impl From<u32> for LogLevels {
    fn from(from: u32) -> LogLevels {
        LogLevels {
            error: from & ALPM_LOG_ERROR != 0,
            warning: from & ALPM_LOG_WARNING != 0,
            debug: from & ALPM_LOG_DEBUG != 0,
            function: from & ALPM_LOG_FUNCTION != 0,
        }
    }
}

impl Into<LogLevel> for LogLevels {
    fn into(self) -> LogLevel {

        if self.error { LogLevel::Error }
        else if self.warning { LogLevel::Warning }
        else if self.debug { LogLevel::Debug }
        else if self.function { LogLevel::Function }
        else { LogLevel::None }
    }
}