@widesky/node-bacstack/lib/services/delete-object.js

The BACnet protocol library written in pure JavaScript.

'use strict';

const baAsn1 = require('../asn1');
const baEnum      = require('../enum');

module.exports.decode = (buffer, offset, apduLen) => {
  const result = baAsn1.decodeTagNumberAndValue(buffer, offset);
  if (result.tagNumber !== 12) {
    return undefined;
  }
  let len = 1;
  const value = baAsn1.decodeObjectId(buffer, offset + len);
  len += value.len;
  if (len !== apduLen) {
    return undefined;
  }
  value.len = len;
  return value;
};

module.exports.encode = (buffer, objectId) => {
  baAsn1.encodeApplicationObjectId(buffer, objectId.type, objectId.instance);
};