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