aaac7fed
 liuqimichale
add
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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 === name) return
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
}
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