| 'use strict'; |
| |
| var Headers = function() { |
| this.clear(); |
| }; |
| |
| Headers.prototype.ALLOWED_DUPLICATES = ['set-cookie', 'set-cookie2', 'warning', 'www-authenticate']; |
| |
| Headers.prototype.clear = function() { |
| this._sent = {}; |
| this._lines = []; |
| }; |
| |
| Headers.prototype.set = function(name, value) { |
| if (value === undefined) return; |
| |
| name = this._strip(name); |
| value = this._strip(value); |
| |
| var key = name.toLowerCase(); |
| if (!this._sent.hasOwnProperty(key) || this.ALLOWED_DUPLICATES.indexOf(key) >= 0) { |
| this._sent[key] = true; |
| this._lines.push(name + ': ' + value + '\r\n'); |
| } |
| }; |
| |
| Headers.prototype.toString = function() { |
| return this._lines.join(''); |
| }; |
| |
| Headers.prototype._strip = function(string) { |
| return string.toString().replace(/^ */, '').replace(/ *$/, ''); |
| }; |
| |
| module.exports = Headers; |