51 lines
700 B
JavaScript
51 lines
700 B
JavaScript
|
|
||
|
|
/*!
|
||
|
|
* socket.io-node
|
||
|
|
* Copyright(c) 2011 LearnBoost <dev@learnboost.com>
|
||
|
|
* MIT Licensed
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Module dependencies.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Converts an enumerable to an array.
|
||
|
|
*
|
||
|
|
* @api public
|
||
|
|
*/
|
||
|
|
|
||
|
|
exports.toArray = function (enu) {
|
||
|
|
var arr = [];
|
||
|
|
|
||
|
|
for (var i = 0, l = enu.length; i < l; i++)
|
||
|
|
arr.push(enu[i]);
|
||
|
|
|
||
|
|
return arr;
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Unpacks a buffer to a number.
|
||
|
|
*
|
||
|
|
* @api public
|
||
|
|
*/
|
||
|
|
|
||
|
|
exports.unpack = function (buffer) {
|
||
|
|
var n = 0;
|
||
|
|
for (var i = 0; i < buffer.length; ++i) {
|
||
|
|
n = (i == 0) ? buffer[i] : (n * 256) + buffer[i];
|
||
|
|
}
|
||
|
|
return n;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Left pads a string.
|
||
|
|
*
|
||
|
|
* @api public
|
||
|
|
*/
|
||
|
|
|
||
|
|
exports.padl = function (s,n,c) {
|
||
|
|
return new Array(1 + n - s.length).join(c) + s;
|
||
|
|
}
|
||
|
|
|