kontainer-js/Matroska/EBMLElement/Unknown.js

A media file format generator/parser that exposes a React-like API.

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _slicedToArray2 = require('babel-runtime/helpers/slicedToArray');

var _slicedToArray3 = _interopRequireDefault(_slicedToArray2);

var _getPrototypeOf = require('babel-runtime/core-js/object/get-prototype-of');

var _getPrototypeOf2 = _interopRequireDefault(_getPrototypeOf);

var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck');

var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);

var _createClass2 = require('babel-runtime/helpers/createClass');

var _createClass3 = _interopRequireDefault(_createClass2);

var _possibleConstructorReturn2 = require('babel-runtime/helpers/possibleConstructorReturn');

var _possibleConstructorReturn3 = _interopRequireDefault(_possibleConstructorReturn2);

var _get2 = require('babel-runtime/helpers/get');

var _get3 = _interopRequireDefault(_get2);

var _inherits2 = require('babel-runtime/helpers/inherits');

var _inherits3 = _interopRequireDefault(_inherits2);

exports.default = createUnknownElement;

var _Element2 = require('./Element');

var _Element3 = _interopRequireDefault(_Element2);

var _Buffer = require('../../core/Buffer');

var _Buffer2 = _interopRequireDefault(_Buffer);

var _Reader = require('../../core/Reader');

var _Reader2 = _interopRequireDefault(_Reader);

var _Util = require('../../core/Util');

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function createUnknownElement(id) {
  var Unknown = function (_Element) {
    (0, _inherits3.default)(Unknown, _Element);

    function Unknown(props) {
      (0, _classCallCheck3.default)(this, Unknown);

      props.initialSizeLen = 1;
      return (0, _possibleConstructorReturn3.default)(this, (0, _getPrototypeOf2.default)(Unknown).call(this, Unknown.ELEMENT_ID, Unknown.COMPACT_NAME, props));
    }

    (0, _createClass3.default)(Unknown, [{
      key: 'serialize',
      value: function serialize(buffer) {
        var offset = arguments.length <= 1 || arguments[1] === undefined ? 0 : arguments[1];

        var bytes = this.props.value;

        var base = offset;

        (0, _get3.default)((0, _getPrototypeOf2.default)(Unknown.prototype), 'setElementSize', this).call(this, bytes.length);

        base += (0, _get3.default)((0, _getPrototypeOf2.default)(Unknown.prototype), 'serialize', this).call(this, buffer, base);

        if (buffer) {
          _Buffer2.default.wrap(buffer).copyFrom(bytes, 0, bytes.length, base);
        }
        base += bytes.length;

        return this.size;
      }
    }], [{
      key: 'parse',
      value: function parse(buffer) {
        var offset = arguments.length <= 1 || arguments[1] === undefined ? 0 : arguments[1];

        var base = offset,
            readBytesNum = void 0,
            props = void 0;

        var _Element$parse = _Element3.default.parse(buffer, base);

        var _Element$parse2 = (0, _slicedToArray3.default)(_Element$parse, 2);

        readBytesNum = _Element$parse2[0];
        props = _Element$parse2[1];

        base += readBytesNum;

        _Reader2.default.ASSERT(buffer, base, props.size);
        var buf = _Buffer2.default.wrap(buffer).copy(base, props.size);
        base += props.size;
        props.value = buf.getView();

        return [base - offset, props];
      }
    }]);
    return Unknown;
  }(_Element3.default);

  Unknown.ELEMENT_ID = id;
  Unknown.COMPACT_NAME = '[' + id.map(function (item) {
    return Number(item).toString(16);
  }).join(', ') + ']';

  return Unknown;
}