mango_engine.logging source code

1 /*
2  *  BSD 3-Clause License
3  *  
4  *  Copyright (c) 2016, Mango-Engine Team
5  *  All rights reserved.
6  *  
7  *  Redistribution and use in source and binary forms, with or without
8  *  modification, are permitted provided that the following conditions are met:
9  *  
10  *  * Redistributions of source code must retain the above copyright notice, this
11  *    list of conditions and the following disclaimer.
12  *  
13  *  * Redistributions in binary form must reproduce the above copyright notice,
14  *    this list of conditions and the following disclaimer in the documentation
15  *    and/or other materials provided with the distribution.
16  *  
17  *  * Neither the name of the copyright holder nor the names of its
18  *    contributors may be used to endorse or promote products derived from
19  *    this software without specific prior written permission.
20  *  
21  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22  *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
24  *  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
25  *  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  *  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
27  *  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
28  *  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
29  *  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30  *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32 module mango_engine.logging;
33 
34 abstract class Logger {
35     /// The name of the logger.
36     immutable string name;
37 
38     this(in string name) @safe nothrow {
39         this.name = name;
40     }
41 
42     void logDebug(in string message) @safe {
43         debug {
44             logDebug_(message);
45         }
46     }
47 
48     abstract void logDebug_(in string message) @safe;
49 
50     abstract void logInfo(in string message) @safe;
51 
52     abstract void logWarn(in string message) @safe;
53 
54     abstract void logError(in string message) @safe;
55 }
56 
57 class ConsoleLogger : Logger {
58     import std.stdio : write, writeln;
59     import consoled;
60 
61     this(in string name) @safe nothrow {
62         super(name);
63     }
64 
65     override {
66         void logDebug_(in string message) @trusted {
67             writecln(FontStyle.bold, Fg.cyan, "[", name, "/", Fg.lightBlue, "DEBUG", Fg.cyan, "]: ", FontStyle.none, Fg.white, message);
68 
69             resetColors();
70         }
71 
72         void logInfo(in string message) @trusted {
73             writecln(FontStyle.bold, Fg.cyan, "[", name, "/", Fg.lightGreen, "INFO", Fg.cyan, "]: ", FontStyle.none, Fg.white, message);
74 
75             resetColors();
76         }
77 
78         void logWarn(in string message) @trusted {
79             writecln(FontStyle.bold, Fg.cyan, "[", name, "/", Fg.lightYellow, "WARN", Fg.cyan, "]: ", FontStyle.none, Fg.white, message);
80 
81             resetColors();
82         }
83 
84         void logError(in string message) @trusted {
85             writecln(FontStyle.bold, Fg.cyan, "[", name, "/", Fg.lightRed, "ERROR", Fg.cyan, "]: ", FontStyle.none, Fg.white, message);
86 
87             resetColors();
88         }
89     }
90 }