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comparison: testing/mochitest/tests/SimpleTest/LogController.js
testing/mochitest/tests/SimpleTest/LogController.js
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| -1:000000000000 | 0:56981a618c61 |
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| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 var LogController = {}; //create the logger object | |
| 6 | |
| 7 LogController.counter = 0; //current log message number | |
| 8 LogController.listeners = []; | |
| 9 LogController.logLevel = { | |
| 10 FATAL: 50, | |
| 11 ERROR: 40, | |
| 12 WARNING: 30, | |
| 13 INFO: 20, | |
| 14 DEBUG: 10 | |
| 15 }; | |
| 16 | |
| 17 /* set minimum logging level */ | |
| 18 LogController.logLevelAtLeast = function(minLevel) { | |
| 19 if (typeof(minLevel) == 'string') { | |
| 20 minLevel = LogController.logLevel[minLevel]; | |
| 21 } | |
| 22 return function (msg) { | |
| 23 var msgLevel = msg.level; | |
| 24 if (typeof(msgLevel) == 'string') { | |
| 25 msgLevel = LogController.logLevel[msgLevel]; | |
| 26 } | |
| 27 return msgLevel >= minLevel; | |
| 28 }; | |
| 29 }; | |
| 30 | |
| 31 /* creates the log message with the given level and info */ | |
| 32 LogController.createLogMessage = function(level, info) { | |
| 33 var msg = {}; | |
| 34 msg.num = LogController.counter; | |
| 35 msg.level = level; | |
| 36 msg.info = info; | |
| 37 msg.timestamp = new Date(); | |
| 38 return msg; | |
| 39 }; | |
| 40 | |
| 41 /* helper method to return a sub-array */ | |
| 42 LogController.extend = function (args, skip) { | |
| 43 var ret = []; | |
| 44 for (var i = skip; i<args.length; i++) { | |
| 45 ret.push(args[i]); | |
| 46 } | |
| 47 return ret; | |
| 48 }; | |
| 49 | |
| 50 /* logs message with given level. Currently used locally by log() and error() */ | |
| 51 LogController.logWithLevel = function(level, message/*, ...*/) { | |
| 52 var msg = LogController.createLogMessage( | |
| 53 level, | |
| 54 LogController.extend(arguments, 1) | |
| 55 ); | |
| 56 LogController.dispatchListeners(msg); | |
| 57 LogController.counter += 1; | |
| 58 }; | |
| 59 | |
| 60 /* log with level INFO */ | |
| 61 LogController.log = function(message/*, ...*/) { | |
| 62 LogController.logWithLevel('INFO', message); | |
| 63 }; | |
| 64 | |
| 65 /* log with level ERROR */ | |
| 66 LogController.error = function(message/*, ...*/) { | |
| 67 LogController.logWithLevel('ERROR', message); | |
| 68 }; | |
| 69 | |
| 70 /* send log message to listeners */ | |
| 71 LogController.dispatchListeners = function(msg) { | |
| 72 for (var k in LogController.listeners) { | |
| 73 var pair = LogController.listeners[k]; | |
| 74 if (pair.ident != k || (pair[0] && !pair[0](msg))) { | |
| 75 continue; | |
| 76 } | |
| 77 pair[1](msg); | |
| 78 } | |
| 79 }; | |
| 80 | |
| 81 /* add a listener to this log given an identifier, a filter (can be null) and the listener object */ | |
| 82 LogController.addListener = function(ident, filter, listener) { | |
| 83 if (typeof(filter) == 'string') { | |
| 84 filter = LogController.logLevelAtLeast(filter); | |
| 85 } else if (filter !== null && typeof(filter) !== 'function') { | |
| 86 throw new Error("Filter must be a string, a function, or null"); | |
| 87 } | |
| 88 var entry = [filter, listener]; | |
| 89 entry.ident = ident; | |
| 90 LogController.listeners[ident] = entry; | |
| 91 }; | |
| 92 | |
| 93 /* remove a listener from this log */ | |
| 94 LogController.removeListener = function(ident) { | |
| 95 delete LogController.listeners[ident]; | |
| 96 }; |
