tooltwist/lib/log.js

Tooltwist Command Line Interface

exports.QUIET = 0;
exports.DEFAULT = 1;
exports.INFO = 2;
exports.DEBUG = 3;

var _level = exports.DEFAULT;

exports.setLevel = function(level) {
	//console.log("Setting debug log level to " + level)
	_level = level;
}

exports.getLevel = function() {
	return _level;
}

/**
 *	Display a simple message, irrespective of the logging level.
 */
exports.always = function() { // Variable arguments
	if (_level >= exports.DEBUG) {
		process.stdout.write("node      : ");
	}
	console.log.apply(console, arguments)
}

/**
 *	Display message, except in quiet mode.
 */
exports.log = function() { // Variable arguments
	if (_level >= exports.DEBUG) {
		process.stdout.write("node   LOG: ");
	}
	if (_level >= exports.DEFAULT) {
		console.log.apply(console, arguments)
	}
}

/**
 *	Display message if level INFO or DEBUG.
 */
exports.info = function() { // Variable arguments
	if (_level >= exports.DEBUG) {
		process.stdout.write("node  INFO: ");
	}
	if (_level >= exports.INFO) {
		console.log.apply(console, arguments)
	}
}

/**
 *	Display message if level DEBUG.
 */
exports.debug = function() { // Variable arguments
	if (_level >= exports.DEBUG) {
		process.stdout.write("node DEBUG: ");
		console.log.apply(console, arguments)
	}
}

/**
 *	Warning message
 */
exports.warn = function() { // Variable arguments
	if (_level >= exports.DEBUG) {
		process.stdout.write("node  WARN: ");
	}
	console.log.apply(console, arguments)
}

/**
 *	Error message
 */
exports.error = function() { // Variable arguments
	if (_level >= exports.DEBUG) {
		process.stdout.write("node ERROR: ");
	}
	console.log.apply(console, arguments)
}

/**
 *	Display a fatal error message and bomb out.
 */
exports.fatalError = function(msg){
	exports.error();
	exports.error("-----------------------------------------------------------------------------");
	exports.error("ERROR ERROR ERROR ERROR ERROR ERROR ERROR ERROR ERROR ERROR ERROR ERROR ERROR");
	exports.error("ERROR ERROR ERROR ERROR ERROR ERROR ERROR ERROR ERROR ERROR ERROR ERROR ERROR");
	exports.error("-----------------------------------------------------------------------------");
	exports.error();
	exports.error();
	exports.error("         A fatal error has occurred and this command cannot continue.");
	exports.error();
	exports.error("                 " + msg);
	exports.error();
	exports.error();
	exports.error("-----------------------------------------------------------------------------");
	exports.error("ERROR ERROR ERROR ERROR ERROR ERROR ERROR ERROR ERROR ERROR ERROR ERROR ERROR");
	exports.error("ERROR ERROR ERROR ERROR ERROR ERROR ERROR ERROR ERROR ERROR ERROR ERROR ERROR");
	exports.error("-----------------------------------------------------------------------------");
	exports.error();
	
	process.exit(1);
}