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 16 #ifndef TEXGINE_GET_OBJECT_H 17 #define TEXGINE_GET_OBJECT_H 18 19 #include <string> 20 21 namespace OHOS { 22 namespace Rosen { 23 namespace TextEngine { 24 static const uint8_t* g_data = nullptr; 25 static size_t g_size = 0; 26 static size_t g_pos = 0; 27 constexpr int g_len = 10; 28 29 template<class T> GetObject()30T GetObject() 31 { 32 T object {}; 33 size_t objectSize = sizeof(object); 34 if (g_data == nullptr || objectSize > g_size - g_pos) { 35 return object; 36 } 37 memcpy(&object, g_data + g_pos, objectSize); 38 g_pos += objectSize; 39 return object; 40 } 41 GetStringFromData()42std::string GetStringFromData() 43 { 44 char cstr[g_len]; 45 cstr[g_len - 1] = '\0'; 46 for (int i = 0; i < g_len - 1; i++) { 47 cstr[i] = GetObject<char>(); 48 } 49 std::string str(cstr); 50 return str; 51 } 52 } // namespace TextEngine 53 } // namespace Rosen 54 } // namespace OHOS 55 #endif // TEXGINE_GET_OBJECT_H