| function Caseless (dict) { |
| this.dict = dict || {} |
| } |
| Caseless.prototype.set = function (name, value, clobber) { |
| if (typeof name === 'object') { |
| for (var i in name) { |
| this.set(i, name[i], value) |
| } |
| } else { |
| if (typeof clobber === 'undefined') clobber = true |
| var has = this.has(name) |
| |
| if (!clobber && has) this.dict[has] = this.dict[has] + ',' + value |
| else this.dict[has || name] = value |
| return has |
| } |
| } |
| Caseless.prototype.has = function (name) { |
| var keys = Object.keys(this.dict) |
| , name = name.toLowerCase() |
| ; |
| for (var i=0;i<keys.length;i++) { |
| if (keys[i].toLowerCase() === name) return keys[i] |
| } |
| return false |
| } |
| Caseless.prototype.get = function (name) { |
| name = name.toLowerCase() |
| var result, _key |
| var headers = this.dict |
| Object.keys(headers).forEach(function (key) { |
| _key = key.toLowerCase() |
| if (name === _key) result = headers[key] |
| }) |
| return result |
| } |
| Caseless.prototype.swap = function (name) { |
| var has = this.has(name) |
| if (!has) throw new Error('There is no header than matches "'+name+'"') |
| this.dict[name] = this.dict[has] |
| delete this.dict[has] |
| } |
| Caseless.prototype.del = function (name) { |
| var has = this.has(name) |
| return delete this.dict[has || name] |
| } |
| |
| module.exports = function (dict) {return new Caseless(dict)} |
| module.exports.httpify = function (resp, headers) { |
| var c = new Caseless(headers) |
| resp.setHeader = function (key, value, clobber) { |
| if (typeof value === 'undefined') return |
| return c.set(key, value, clobber) |
| } |
| resp.hasHeader = function (key) { |
| return c.has(key) |
| } |
| resp.getHeader = function (key) { |
| return c.get(key) |
| } |
| resp.removeHeader = function (key) { |
| return c.del(key) |
| } |
| resp.headers = c.dict |
| return c |
| } |