1 /* 2 * Copyright (c) 2024 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 16 #include "ecmascript/dfx/hprof/rawheap_translate/string_hashmap.h" 17 18 namespace rawheap_translate { GetStringByKey(StringKey key) const19std::string StringHashMap::GetStringByKey(StringKey key) const 20 { 21 auto it = hashmap_.find(key); 22 if (it != hashmap_.end()) { 23 return it->second; 24 } 25 return ""; 26 } 27 GetKeyByStringId(StringId stringId) const28StringKey StringHashMap::GetKeyByStringId(StringId stringId) const 29 { 30 return orderedKey_[stringId - CUSTOM_STRID_START]; // 3: index_ start from 3 31 } 32 InsertStrAndGetStringId(const std::string & str)33StringId StringHashMap::InsertStrAndGetStringId(const std::string &str) 34 { 35 StringKey key = GenerateStringKey(str); 36 auto it = indexMap_.find(key); 37 if (it != indexMap_.end()) { 38 return it->second; 39 } else { // NOLINT(readability-else-after-return) 40 index_++; 41 hashmap_.emplace(key, str); 42 orderedKey_.emplace_back(key); 43 indexMap_.emplace(key, index_); 44 return index_; 45 } 46 } 47 GenerateStringKey(const std::string & str) const48StringKey StringHashMap::GenerateStringKey(const std::string &str) const 49 { 50 return std::hash<std::string>{} (str); 51 } 52 } // namespace rawheap_translate 53