75 lines
1.6 KiB
JavaScript
75 lines
1.6 KiB
JavaScript
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// Copyright 2011 Mark Cavage, Inc. All rights reserved.
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var assert = require('assert');
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var util = require('util');
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var asn1 = require('asn1');
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var Protocol = require('./protocol');
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///--- Globals
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var Ber = asn1.Ber;
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///--- API
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function Control(options) {
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if (options) {
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if (typeof(options) !== 'object')
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throw new TypeError('options must be an object');
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if (options.type && typeof(options.type) !== 'string')
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throw new TypeError('options.type must be a string');
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if (options.criticality !== undefined &&
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typeof(options.criticality) !== 'boolean')
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throw new TypeError('options.criticality must be a boolean');
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if (options.value && typeof(options.value) !== 'string')
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throw new TypeError('options.value must be a string');
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} else {
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options = {};
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}
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this.type = options.type || '';
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this.criticality = options.criticality || false;
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this.value = options.value || undefined;
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var self = this;
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this.__defineGetter__('json', function() {
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return {
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controlType: self.type,
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criticality: self.criticality,
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controlValue: self.value
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};
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});
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}
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module.exports = Control;
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Control.prototype.toString = function() {
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return this.json;
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};
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Control.prototype.parse = function(ber) {
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assert.ok(ber);
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if (ber.readSequence() === null)
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return false;
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var end = ber.offset + ber.length;
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if (ber.length) {
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this.type = ber.readString();
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if (ber.offset < end)
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this.criticality = ber.readBoolean();
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if (ber.offset < end)
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this.value = ber.readString();
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}
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return true;
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};
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