Mercurial > projects > doodle
annotate doodle/core/logging.d @ 58:c63719604adb
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| author | "David Bryant <bagnose@gmail.com>" |
|---|---|
| date | Mon, 09 Aug 2010 21:43:24 +0930 |
| parents | 0eaf39fda206 |
| children | 523269b36711 ab745d8b10e5 |
| rev | line source |
|---|---|
| 38 | 1 module doodle.core.logging; |
| 2 | |
| 3 private { | |
| 4 import std.stdio; | |
| 5 import std.typecons; | |
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6 import std.traits; |
| 38 | 7 } |
| 8 | |
| 9 public { | |
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10 void trace(string file = __FILE__, int line = __LINE__, S...)(S args) { |
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11 static assert(S.length > 0); |
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12 static assert(isSomeString!(S[0])); |
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13 log(Severity.TRACE, |
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14 std.string.format("%s(%d): MESSAGE: %s", right(file, 20), line, std.string.format(args))); |
| 38 | 15 } |
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16 |
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17 void info(string file = __FILE__, int line = __LINE__, S...)(S args) { |
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18 static assert(S.length > 0); |
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19 static assert(isSomeString!(S[0])); |
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20 log(Severity.INFO, |
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21 std.string.format("%s(%d): MESSAGE: %s", right(file, 20), line, std.string.format(args))); |
| 38 | 22 } |
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23 |
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24 void message(string file = __FILE__, int line = __LINE__, S...)(S args) { |
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25 static assert(S.length > 0); |
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26 static assert(isSomeString!(S[0])); |
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27 log(Severity.MESSAGE, |
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28 std.string.format("%s(%d): MESSAGE: %s", right(file, 20), line, std.string.format(args))); |
| 38 | 29 } |
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30 |
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31 void warning(string file = __FILE__, int line = __LINE__, S...)(S args) { |
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32 static assert(S.length > 0); |
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33 static assert(isSomeString!(S[0])); |
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34 log(Severity.WARNING, |
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35 std.string.format("%s(%d): MESSAGE: %s", right(file, 20), line, std.string.format(args))); |
| 38 | 36 } |
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37 |
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38 void error(string file = __FILE__, int line = __LINE__, S...)(S args) { |
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39 static assert(S.length > 0); |
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40 static assert(isSomeString!(S[0])); |
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41 log(Severity.ERROR, |
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42 std.string.format("%s(%d): MESSAGE: %s", right(file, 20), line, std.string.format(args))); |
| 38 | 43 } |
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44 |
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45 void fatal(string file = __FILE__, int line = __LINE__, S...)(S args) { |
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46 static assert(S.length > 0); |
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47 static assert(isSomeString!(S[0])); |
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48 log(Severity.FATAL, |
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49 std.string.format("%s(%d): MESSAGE: %s", right(file, 20), line, std.string.format(args))); |
| 38 | 50 assert(0); |
| 51 } | |
| 52 } | |
| 53 | |
| 54 private { | |
| 55 mixin(defineEnum!("Severity", | |
| 56 "TRACE", "INFO", "MESSAGE", "WARNING", "ERROR", "FATAL")); | |
| 57 | |
| 51 | 58 string severityString(in Severity s) { |
| 38 | 59 switch (s) { |
| 60 case Severity.TRACE: | |
| 48 | 61 return modifierString(Modifier.DIM) ~ fgColorString(Color.CYAN); |
| 38 | 62 case Severity.INFO: |
| 48 | 63 return modifierString(Modifier.UNDERLINE) ~ fgColorString(Color.GREEN); |
| 38 | 64 case Severity.MESSAGE: |
| 48 | 65 return fgColorString(Color.YELLOW); |
| 38 | 66 case Severity.WARNING: |
| 48 | 67 return modifierString(Modifier.BRIGHT) ~ fgColorString(Color.MAGENTA); |
| 38 | 68 case Severity.ERROR: |
| 48 | 69 return modifierString(Modifier.BRIGHT) ~ fgColorString(Color.RED); |
| 38 | 70 case Severity.FATAL: |
| 48 | 71 return modifierString(Modifier.BRIGHT) ~ bgColorString(Color.RED) ~ fgColorString(Color.WHITE); |
| 40 | 72 default: |
| 73 assert(0); | |
| 38 | 74 } |
| 75 assert(0); | |
| 76 } | |
| 77 | |
| 78 void log(in Severity severity, in string message) { | |
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79 writeln(severityString(severity), message, modifierString(Modifier.RESET)); |
| 38 | 80 } |
| 81 | |
| 82 enum Modifier { | |
| 83 RESET = 0, | |
| 84 BRIGHT = 1, | |
| 85 DIM = 2, // does nothing in gnome-terminal | |
| 86 UNDERLINE = 3, // does nothing in gnome-terminal | |
| 87 BLINK = 5, // does nothing in gnome-terminal | |
| 88 REVERSE = 7, | |
| 89 HIDDEN = 8 | |
| 90 } | |
| 91 | |
| 92 enum Color { | |
| 93 BLACK = 0, | |
| 94 RED = 1, | |
| 95 GREEN = 2, | |
| 96 YELLOW = 3, | |
| 97 BLUE = 4, | |
| 98 MAGENTA = 5, | |
| 99 CYAN = 6, | |
| 100 WHITE = 7 | |
| 101 } | |
| 102 | |
| 51 | 103 string modifierString(in Modifier m) { return std.string.format("\033[%dm", 0 + m); } |
| 104 string fgColorString(in Color c) { return std.string.format("\033[%dm", 30 + c); } | |
| 105 string bgColorString(in Color c) { return std.string.format("\033[%dm", 40 + c); } | |
| 38 | 106 |
| 51 | 107 private string right(in string str, in int n) { |
| 38 | 108 int pos = str.length < n ? 0 : str.length - n; |
| 109 return str[pos..$]; | |
| 110 } | |
| 111 } |