Verzeichnisstruktur phpBB-3.2.0
- Veröffentlicht
- 06.01.2017
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Logger.js
001 /**
002 * @constructor
003 */
004 function Logger()
005 {
006 }
007
008 /**
009 * @type {string} Name of the attribute being processed
010 */
011 Logger.prototype.attrName;
012
013 /**
014 * @type {!Object.<string,!Array>} 2D array of [<log type> => [<callbacks>]]
015 */
016 Logger.prototype.callbacks = {};
017
018 /**
019 * @type {!Array.<!Array>} Log entries in the form [[<type>,<msg>,<context>]]
020 */
021 Logger.prototype.logs = [];
022
023 /**
024 * @type {Tag} Tag being processed
025 */
026 Logger.prototype.tag;
027
028 /**
029 * Add a log entry
030 *
031 * @param {!string} type Log type
032 * @param {!string} msg Log message
033 * @param {!Object=} context Log context
034 */
035 Logger.prototype.add = function(type, msg, context)
036 {
037 context = context || {};
038
039 if (!('attrName' in context) && this.attrName)
040 {
041 context['attrName'] = this.attrName;
042 }
043
044 if (!('tag' in context) && this.tag)
045 {
046 context['tag'] = this.tag;
047 }
048
049 // Execute callbacks
050 if (this.callbacks[type])
051 {
052 this.callbacks[type].forEach(function(callback)
053 {
054 callback(msg, context);
055 });
056 }
057
058 this.logs.push([type, msg, context]);
059 }
060
061 /**
062 * Clear the log
063 */
064 Logger.prototype.clear = function()
065 {
066 this.logs = [];
067 this.unsetAttribute();
068 this.unsetTag();
069 }
070
071 /**
072 * Return the logs
073 *
074 * @return {!Object}
075 */
076 Logger.prototype['get'] = function()
077 {
078 return this.logs;
079 }
080
081 /**
082 * Attach a callback to be executed when a message of given type is logged
083 *
084 * @param {!string} type Log type
085 * @param {!Function} callback Callback
086 */
087 Logger.prototype['on'] = function(type, callback)
088 {
089 this.callbacks[type].push(callback);
090 }
091
092 /**
093 * Record the name of the attribute being processed
094 *
095 * @param {!string} attrName
096 */
097 Logger.prototype.setAttribute = function(attrName)
098 {
099 this.attrName = attrName;
100 }
101
102 /**
103 * Record the tag being processed
104 *
105 * @param {!Tag} tag
106 */
107 Logger.prototype.setTag = function(tag)
108 {
109 this.tag = tag;
110 }
111
112 /**
113 * Unset the name of the attribute being processed
114 */
115 Logger.prototype.unsetAttribute = function()
116 {
117 delete this.attrName;
118 }
119
120 /**
121 * Unset the tag being processed
122 */
123 Logger.prototype.unsetTag = function()
124 {
125 delete this.tag;
126 }
127
128 //==========================================================================
129 // Log levels
130 //==========================================================================
131
132 /**
133 * Add a "debug" type log entry
134 *
135 * @param {!string} msg Log message
136 * @param {!Object=} context Log context
137 */
138 Logger.prototype.debug = function(msg, context)
139 {
140 this.add('debug', msg, context);
141 }
142
143 /**
144 * Add an "err" type log entry
145 *
146 * @param {!string} msg Log message
147 * @param {!Object=} context Log context
148 */
149 Logger.prototype.err = function(msg, context)
150 {
151 this.add('err', msg, context);
152 }
153
154 /**
155 * Add an "info" type log entry
156 *
157 * @param {!string} msg Log message
158 * @param {!Object=} context Log context
159 */
160 Logger.prototype.info = function(msg, context)
161 {
162 this.add('info', msg, context);
163 }
164
165 /**
166 * Add a "warn" type log entry
167 *
168 * @param {!string} msg Log message
169 * @param {!Object=} context Log context
170 */
171 Logger.prototype.warn = function(msg, context)
172 {
173 this.add('warn', msg, context);
174 }