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/*
* Copyright 2014 Fulup Ar Foll
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
var util = require("util");
var path = require("path");
var config= require('./_Config');
function TracePoint () {
var saved = Error.prepareStackTrace; // save default prepareStack function
Error.prepareStackTrace = function(_, stack){ return stack; }; // overload err stack handling
Error.captureStackTrace(this, arguments.callee); // request a stack
this.trace = this.stack; // effectively build trace
Error.prepareStackTrace = saved; // restore original nodejs function
}
// ------- Public Methods --------------
var dbgLevel = function(target, level, format) { //+ arguments
// try to get debugLevel from calling object or global config
if (target && target.dbgLevel) dbgLevel = target.dbgLevel;
else dbgLevel = config.DBG_LVL || 1;
if (dbgLevel >= level ) {
var args = [].slice.call(arguments, 2); // copy argument in a real array leaving out level
var message = util.format.apply(null, args);
var trace = new TracePoint().trace;
var info = {
fullpath : trace[1].getFileName(),
linenum : trace[1].getLineNumber(),
basename : path.basename (trace[1].getFileName())
};
if (dbgLevel >= 5) {
console.log("%s:%d", info.fullpath, info.linenum);
console.log("\t[%d] %j", dbgLevel, message);
}
else console.log("--%d-- [%s:%d] -- %j", dbgLevel, info.basename, info.linenum, message);
}
};
module.exports = dbgLevel;
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