ts-bacnet
Version:
The BACnet protocol library written in pure JavaScript.
64 lines (63 loc) • 2.56 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.decode = exports.encode = void 0;
const baAsn1 = __importStar(require("../asn1"));
const encode = (buffer, deviceId, objectId, objectName) => {
baAsn1.encodeApplicationObjectId(buffer, deviceId.type, deviceId.instance);
baAsn1.encodeApplicationObjectId(buffer, objectId.type, objectId.instance);
baAsn1.encodeApplicationCharacterString(buffer, objectName);
};
exports.encode = encode;
const decode = (buffer, offset, apduLen) => {
let len = 0;
let result;
let decodedValue;
let value = {};
result = baAsn1.decodeTagNumberAndValue(buffer, offset + len);
len += result.len;
decodedValue = baAsn1.decodeObjectId(buffer, offset + len);
len += decodedValue.len;
value.deviceId = {
type: decodedValue.objectType,
instance: decodedValue.instance,
};
result = baAsn1.decodeTagNumberAndValue(buffer, offset + len);
len += result.len;
decodedValue = baAsn1.decodeObjectId(buffer, offset + len);
len += decodedValue.len;
value.objectId = {
type: decodedValue.objectType,
instance: decodedValue.instance,
};
result = baAsn1.decodeTagNumberAndValue(buffer, offset + len);
len += result.len;
decodedValue = baAsn1.decodeCharacterString(buffer, offset + len, apduLen - (offset + len), result.value);
len += decodedValue.len;
value.objectName = decodedValue.value;
value.len = len;
return value;
};
exports.decode = decode;