1/* 2 * Copyright (c) 2024 - 2025 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 */ 15import { ViewTreeNode } from 'arkanalyzer'; 16import { ArkClass } from 'arkanalyzer'; 17 18export class ViewTreeTool { 19 private recordMap: Map<string, boolean>; 20 21 constructor() { 22 this.recordMap = new Map(); 23 } 24 25 hasTraverse(item: ArkClass | ViewTreeNode): boolean { 26 let classSig = ''; 27 if (item instanceof ArkClass) { 28 classSig = item.getSignature().toString(); 29 } else { 30 if (item.signature) { 31 classSig = item.signature.toString(); 32 } else { 33 return false; 34 } 35 } 36 let result = this.recordMap.get(classSig); 37 this.recordMap.set(classSig, true); 38 return result === true; 39 } 40}