5
See <http://mochikit.com/> for documentation, downloads, license, etc.
7
(c) 2005 Bob Ippolito. All rights Reserved.
11
if (typeof(dojo) != 'undefined') {
12
dojo.provide('MochiKit.Logging');
13
dojo.require('MochiKit.Base');
16
if (typeof(JSAN) != 'undefined') {
17
JSAN.use("MochiKit.Base", []);
21
if (typeof(MochiKit.Base) == 'undefined') {
25
throw "MochiKit.Logging depends on MochiKit.Base!";
28
if (typeof(MochiKit.Logging) == 'undefined') {
29
MochiKit.Logging = {};
32
MochiKit.Logging.NAME = "MochiKit.Logging";
33
MochiKit.Logging.VERSION = "1.4";
34
MochiKit.Logging.__repr__ = function () {
35
return "[" + this.NAME + " " + this.VERSION + "]";
38
MochiKit.Logging.toString = function () {
39
return this.__repr__();
43
MochiKit.Logging.EXPORT = [
57
MochiKit.Logging.EXPORT_OK = [
64
/** @id MochiKit.Logging.LogMessage */
65
MochiKit.Logging.LogMessage = function (num, level, info) {
69
this.timestamp = new Date();
72
MochiKit.Logging.LogMessage.prototype = {
73
/** @id MochiKit.Logging.LogMessage.prototype.repr */
75
var m = MochiKit.Base;
76
return 'LogMessage(' +
79
[this.num, this.level, this.info]
82
/** @id MochiKit.Logging.LogMessage.prototype.toString */
83
toString: MochiKit.Base.forwardCall("repr")
86
MochiKit.Base.update(MochiKit.Logging, {
87
/** @id MochiKit.Logging.logLevelAtLeast */
88
logLevelAtLeast: function (minLevel) {
89
var self = MochiKit.Logging;
90
if (typeof(minLevel) == 'string') {
91
minLevel = self.LogLevel[minLevel];
93
return function (msg) {
94
var msgLevel = msg.level;
95
if (typeof(msgLevel) == 'string') {
96
msgLevel = self.LogLevel[msgLevel];
98
return msgLevel >= minLevel;
102
/** @id MochiKit.Logging.isLogMessage */
103
isLogMessage: function (/* ... */) {
104
var LogMessage = MochiKit.Logging.LogMessage;
105
for (var i = 0; i < arguments.length; i++) {
106
if (!(arguments[i] instanceof LogMessage)) {
113
/** @id MochiKit.Logging.compareLogMessage */
114
compareLogMessage: function (a, b) {
115
return MochiKit.Base.compare([a.level, a.info], [b.level, b.info]);
118
/** @id MochiKit.Logging.alertListener */
119
alertListener: function (msg) {
122
"\nlevel: " + msg.level +
123
"\ninfo: " + msg.info.join(" ")
129
/** @id MochiKit.Logging.Logger */
130
MochiKit.Logging.Logger = function (/* optional */maxSize) {
132
if (typeof(maxSize) == 'undefined' || maxSize === null) {
135
this.maxSize = maxSize;
138
this.useNativeConsole = false;
141
MochiKit.Logging.Logger.prototype = {
142
/** @id MochiKit.Logging.Logger.prototype.clear */
144
this._messages.splice(0, this._messages.length);
147
/** @id MochiKit.Logging.Logger.prototype.logToConsole */
148
logToConsole: function (msg) {
149
if (typeof(window) != "undefined" && window.console
150
&& window.console.log) {
151
// Safari and FireBug 0.4
152
// Percent replacement is a workaround for cute Safari crashing bug
153
window.console.log(msg.replace(/%/g, '\uFF05'));
154
} else if (typeof(opera) != "undefined" && opera.postError) {
156
opera.postError(msg);
157
} else if (typeof(printfire) == "function") {
158
// FireBug 0.3 and earlier
160
} else if (typeof(Debug) != "undefined" && Debug.writeln) {
161
// IE Web Development Helper (?)
162
// http://www.nikhilk.net/Entry.aspx?id=93
164
} else if (typeof(debug) != "undefined" && debug.trace) {
165
// Atlas framework (?)
166
// http://www.nikhilk.net/Entry.aspx?id=93
171
/** @id MochiKit.Logging.Logger.prototype.dispatchListeners */
172
dispatchListeners: function (msg) {
173
for (var k in this.listeners) {
174
var pair = this.listeners[k];
175
if (pair.ident != k || (pair[0] && !pair[0](msg))) {
182
/** @id MochiKit.Logging.Logger.prototype.addListener */
183
addListener: function (ident, filter, listener) {
184
if (typeof(filter) == 'string') {
185
filter = MochiKit.Logging.logLevelAtLeast(filter);
187
var entry = [filter, listener];
189
this.listeners[ident] = entry;
192
/** @id MochiKit.Logging.Logger.prototype.removeListener */
193
removeListener: function (ident) {
194
delete this.listeners[ident];
197
/** @id MochiKit.Logging.Logger.prototype.baseLog */
198
baseLog: function (level, message/*, ...*/) {
199
var msg = new MochiKit.Logging.LogMessage(
202
MochiKit.Base.extend(null, arguments, 1)
204
this._messages.push(msg);
205
this.dispatchListeners(msg);
206
if (this.useNativeConsole) {
207
this.logToConsole(msg.level + ": " + msg.info.join(" "));
210
while (this.maxSize >= 0 && this._messages.length > this.maxSize) {
211
this._messages.shift();
215
/** @id MochiKit.Logging.Logger.prototype.getMessages */
216
getMessages: function (howMany) {
218
if (!(typeof(howMany) == 'undefined' || howMany === null)) {
219
firstMsg = Math.max(0, this._messages.length - howMany);
221
return this._messages.slice(firstMsg);
224
/** @id MochiKit.Logging.Logger.prototype.getMessageText */
225
getMessageText: function (howMany) {
226
if (typeof(howMany) == 'undefined' || howMany === null) {
229
var messages = this.getMessages(howMany);
230
if (messages.length) {
231
var lst = map(function (m) {
232
return '\n [' + m.num + '] ' + m.level + ': ' + m.info.join(' ');
234
lst.unshift('LAST ' + messages.length + ' MESSAGES:');
240
/** @id MochiKit.Logging.Logger.prototype.debuggingBookmarklet */
241
debuggingBookmarklet: function (inline) {
242
if (typeof(MochiKit.LoggingPane) == "undefined") {
243
alert(this.getMessageText());
245
MochiKit.LoggingPane.createLoggingPane(inline || false);
250
MochiKit.Logging.__new__ = function () {
259
var m = MochiKit.Base;
260
m.registerComparator("LogMessage",
262
this.compareLogMessage
265
var partial = m.partial;
267
var Logger = this.Logger;
268
var baseLog = Logger.prototype.baseLog;
269
m.update(this.Logger.prototype, {
270
debug: partial(baseLog, 'DEBUG'),
271
log: partial(baseLog, 'INFO'),
272
error: partial(baseLog, 'ERROR'),
273
fatal: partial(baseLog, 'FATAL'),
274
warning: partial(baseLog, 'WARNING')
277
// indirectly find logger so it can be replaced
279
var connectLog = function (name) {
281
self.logger[name].apply(self.logger, arguments);
285
/** @id MochiKit.Logging.log */
286
this.log = connectLog('log');
287
/** @id MochiKit.Logging.logError */
288
this.logError = connectLog('error');
289
/** @id MochiKit.Logging.logDebug */
290
this.logDebug = connectLog('debug');
291
/** @id MochiKit.Logging.logFatal */
292
this.logFatal = connectLog('fatal');
293
/** @id MochiKit.Logging.logWarning */
294
this.logWarning = connectLog('warning');
295
this.logger = new Logger();
296
this.logger.useNativeConsole = true;
299
":common": this.EXPORT,
300
":all": m.concat(this.EXPORT, this.EXPORT_OK)
303
m.nameFunctions(this);
307
if (typeof(printfire) == "undefined" &&
308
typeof(document) != "undefined" && document.createEvent &&
309
typeof(dispatchEvent) != "undefined") {
310
// FireBug really should be less lame about this global function
311
printfire = function () {
312
printfire.args = arguments;
313
var ev = document.createEvent("Events");
314
ev.initEvent("printfire", false, true);
319
MochiKit.Logging.__new__();
321
MochiKit.Base._exportSymbols(this, MochiKit.Logging);