@balte/emberplus-connection
Version:
Javascript implementation of the Ember+ automation protocol
86 lines (85 loc) • 3.75 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (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.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.decodeCommand = void 0;
const Ber = __importStar(require("../../../Ber"));
const Command_1 = require("../../../model/Command");
const Invocation_1 = require("./Invocation");
const constants_1 = require("../constants");
const DecodeResult_1 = require("./DecodeResult");
function readDirFieldMask(reader) {
const intToMask = {
[-2]: Command_1.FieldFlags.Sparse,
[-1]: Command_1.FieldFlags.All,
[0]: Command_1.FieldFlags.Default,
[1]: Command_1.FieldFlags.Identifier,
[2]: Command_1.FieldFlags.Description,
[3]: Command_1.FieldFlags.Tree,
[4]: Command_1.FieldFlags.Value,
[5]: Command_1.FieldFlags.Connections
};
return intToMask[reader.readInt()];
}
function decodeCommand(reader, options = DecodeResult_1.defaultDecode) {
reader.readSequence(constants_1.CommandBERID);
let type = null;
let dirFieldMask = undefined;
let invocation = undefined;
const errors = [];
const endOffset = reader.offset + reader.length;
while (reader.offset < endOffset) {
const tag = reader.readSequence();
switch (tag) {
case Ber.CONTEXT(0):
type = reader.readInt();
break;
case Ber.CONTEXT(1):
dirFieldMask = readDirFieldMask(reader);
if (!dirFieldMask) {
errors.push(new Error(`decode command: encounted unknown dir field mask`));
}
break;
case Ber.CONTEXT(2):
invocation = DecodeResult_1.appendErrors(Invocation_1.decodeInvocation(reader, options), errors);
break;
case 0:
break; // Indefinite lengths
default:
DecodeResult_1.unknownContext(errors, 'decode command', tag, options);
DecodeResult_1.skipNext(reader);
break;
}
}
type = DecodeResult_1.check(type, 'decode command', 'type', Command_1.CommandType.Subscribe, errors, options);
switch (type) {
case Command_1.CommandType.Subscribe:
return DecodeResult_1.makeResult(new Command_1.SubscribeImpl(), errors);
case Command_1.CommandType.Unsubscribe:
return DecodeResult_1.makeResult(new Command_1.UnsubscribeImpl(), errors);
case Command_1.CommandType.GetDirectory:
return DecodeResult_1.makeResult(new Command_1.GetDirectoryImpl(dirFieldMask), errors);
case Command_1.CommandType.Invoke:
return DecodeResult_1.makeResult(new Command_1.InvokeImpl(invocation), errors);
default:
return DecodeResult_1.unexpected(errors, 'decode command', `command type '${type}' is not recognized`, new Command_1.SubscribeImpl(), options);
}
}
exports.decodeCommand = decodeCommand;