The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/testing/mochitest/tests/SimpleTest/LogController.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,96 @@
     1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.7 +
     1.8 +var LogController = {}; //create the logger object
     1.9 +
    1.10 +LogController.counter = 0; //current log message number
    1.11 +LogController.listeners = [];
    1.12 +LogController.logLevel = {
    1.13 +    FATAL: 50,
    1.14 +    ERROR: 40,
    1.15 +    WARNING: 30,
    1.16 +    INFO: 20,
    1.17 +    DEBUG: 10
    1.18 +};
    1.19 +
    1.20 +/* set minimum logging level */
    1.21 +LogController.logLevelAtLeast = function(minLevel) {
    1.22 +    if (typeof(minLevel) == 'string') {
    1.23 +        minLevel = LogController.logLevel[minLevel];
    1.24 +    }
    1.25 +    return function (msg) {
    1.26 +        var msgLevel = msg.level;
    1.27 +        if (typeof(msgLevel) == 'string') {
    1.28 +            msgLevel = LogController.logLevel[msgLevel];
    1.29 +        }
    1.30 +        return msgLevel >= minLevel;
    1.31 +    };
    1.32 +};
    1.33 +
    1.34 +/* creates the log message with the given level and info */
    1.35 +LogController.createLogMessage = function(level, info) {
    1.36 +    var msg = {};
    1.37 +    msg.num = LogController.counter;
    1.38 +    msg.level = level;
    1.39 +    msg.info = info;
    1.40 +    msg.timestamp = new Date();
    1.41 +    return msg;
    1.42 +};
    1.43 +
    1.44 +/* helper method to return a sub-array */
    1.45 +LogController.extend = function (args, skip) {
    1.46 +    var ret = [];
    1.47 +    for (var i = skip; i<args.length; i++) {
    1.48 +        ret.push(args[i]);
    1.49 +    }
    1.50 +    return ret;
    1.51 +};
    1.52 +
    1.53 +/* logs message with given level. Currently used locally by log() and error() */
    1.54 +LogController.logWithLevel = function(level, message/*, ...*/) {
    1.55 +    var msg = LogController.createLogMessage(
    1.56 +        level,
    1.57 +        LogController.extend(arguments, 1)
    1.58 +    );
    1.59 +    LogController.dispatchListeners(msg);
    1.60 +    LogController.counter += 1;
    1.61 +};
    1.62 +
    1.63 +/* log with level INFO */
    1.64 +LogController.log = function(message/*, ...*/) {
    1.65 +    LogController.logWithLevel('INFO', message);
    1.66 +};
    1.67 +
    1.68 +/* log with level ERROR */
    1.69 +LogController.error = function(message/*, ...*/) {
    1.70 +    LogController.logWithLevel('ERROR', message);
    1.71 +};
    1.72 +
    1.73 +/* send log message to listeners */
    1.74 +LogController.dispatchListeners = function(msg) {
    1.75 +    for (var k in LogController.listeners) {
    1.76 +        var pair = LogController.listeners[k];
    1.77 +        if (pair.ident != k || (pair[0] && !pair[0](msg))) {
    1.78 +            continue;
    1.79 +        }
    1.80 +        pair[1](msg);
    1.81 +    }
    1.82 +};
    1.83 +
    1.84 +/* add a listener to this log given an identifier, a filter (can be null) and the listener object */
    1.85 +LogController.addListener = function(ident, filter, listener) {
    1.86 +    if (typeof(filter) == 'string') {
    1.87 +        filter = LogController.logLevelAtLeast(filter);
    1.88 +    } else if (filter !== null && typeof(filter) !== 'function') {
    1.89 +        throw new Error("Filter must be a string, a function, or null");
    1.90 +    }
    1.91 +    var entry = [filter, listener];
    1.92 +    entry.ident = ident;
    1.93 +    LogController.listeners[ident] = entry;
    1.94 +};
    1.95 +
    1.96 +/* remove a listener from this log */
    1.97 +LogController.removeListener = function(ident) {
    1.98 +    delete LogController.listeners[ident];
    1.99 +};