dlms-protocol/lib/typesDLMS/DlmsBitstring.js

DLMS Protocol parser for JavaScript

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
require("core-js/modules/es.regexp.to-string.js");
require("core-js/modules/esnext.iterator.map.js");
require("core-js/modules/web.dom-collections.iterator.js");
var _DlmsDataType = _interopRequireDefault(require("../enum/DlmsDataType"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
class DlmsBitstring {
  constructor() {
    let data = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;
    this.tag = _DlmsDataType.default.BITSTRING;
    this.totalBytes = 0;
    this.rawValue = [];
    this.bodyBytes = [];
    this.value = "";
    this.size = 0;
    if (data) {
      this.insertData(data);
    }
  }
  getStandardLength() {
    throw new Error("Method not implemented.");
  }
  getValue() {
    return this.value;
  }
  insertData(data) {
    if (this.tag !== data[0]) {
      throw new Error("Tag mismatch.");
    }
    this.size = data[1];
    this.bodyBytes = Array.from(data.slice(2, 2 + Math.ceil(this.size / 8)));
    this.value = this.bodyBytes.map(byte => byte.toString(2).padStart(8, '0')) // Convert each byte to binary and pad to 8 bits
    .join('') // Combine all bits into a single string
    .slice(0, this.size); // Trim the bitstring to the specified size

    this.rawValue = [this.tag, this.size, ...this.bodyBytes];
    this.totalBytes = this.rawValue.length;
  }
}
exports.default = DlmsBitstring;