1/* 2 * Copyright (C) 2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16import { FormatCommand } from '../hdcclient/FormatCommand.js'; 17import { warn } from '../../log/Log.js'; 18 19export class Utils { 20 private static localId = 1; 21 22 public static getSessionId(): number { 23 return Math.round(Math.random() * 100000000); 24 } 25 26 public static getLocalId(): number { 27 if (this.localId == 4294967295) { 28 this.localId = 1; 29 } 30 return this.localId++; 31 } 32 33 public static formatCommand(cmd: string): FormatCommand { 34 let command = cmd; 35 if (cmd.startsWith('hdc_std')) { 36 command = command.substring('hdc_std '.length); 37 } else if (cmd.startsWith('hdc')) { 38 command = command.substring('hdc '.length); 39 } 40 let formatCommand = FormatCommand.string2FormatCommand(command); 41 // formatCommand Success 42 if (formatCommand.cmdFlag <= -1) { 43 warn('command : ' + command + ' is not Support'); 44 } 45 return formatCommand; 46 } 47 48 public static numToHexString(num: number): string { 49 if (num == undefined || num == null || isNaN(num)) { 50 return '0x0'; 51 } 52 if (num < 0) { 53 return '0x' + (num >>> 0).toString(16); 54 } else { 55 return '0x' + num.toString(16); 56 } 57 } 58} 59