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 #ifndef RD_UTILS_H 17 #define RD_UTILS_H 18 19 #include <stdio.h> 20 #include <string.h> 21 #include <vector> 22 #include "grd_type_export.h" 23 #include "rdb_errno.h" 24 #include "remote_result_set.h" 25 26 namespace OHOS { 27 namespace NativeRdb { 28 29 class RdUtils { 30 public: 31 static int TransferGrdErrno(int err); 32 static ColumnType TransferGrdTypeToColType(int grdColType); 33 static int RdDbOpen(const char *dbPath, const char *configStr, uint32_t flags, GRD_DB **db); 34 static int RdDbRepair(const char *dbPath, const char *configStr); 35 static int RdDbClose(GRD_DB *db, uint32_t flags); 36 static int RdSqlPrepare(GRD_DB *db, const char *str, uint32_t strLen, GRD_SqlStmt **stmt, const char **unusedStr); 37 static int RdSqlReset(GRD_SqlStmt *stmt); 38 static int RdSqlFinalize(GRD_SqlStmt *stmt); 39 40 static int RdSqlBindBlob(GRD_SqlStmt *stmt, uint32_t idx, const void *val, int32_t len, void (*freeFunc)(void *)); 41 static int RdSqlBindText(GRD_SqlStmt *stmt, uint32_t idx, const void *val, int32_t len, void (*freeFunc)(void *)); 42 static int RdSqlBindInt(GRD_SqlStmt *stmt, uint32_t idx, int32_t val); 43 static int RdSqlBindInt64(GRD_SqlStmt *stmt, uint32_t idx, int64_t val); 44 static int RdSqlBindDouble(GRD_SqlStmt *stmt, uint32_t idx, double val); 45 static int RdSqlBindNull(GRD_SqlStmt *stmt, uint32_t idx); 46 static int RdSqlBindFloatVector( 47 GRD_SqlStmt *stmt, uint32_t idx, float *val, uint32_t dim, void (*freeFunc)(void *)); 48 49 static int RdSqlStep(GRD_SqlStmt *stmt); 50 static int RdSqlColCnt(GRD_SqlStmt *stmt); 51 static ColumnType RdSqlColType(GRD_SqlStmt *stmt, uint32_t idx); 52 static int RdSqlColBytes(GRD_SqlStmt *stmt, uint32_t idx); 53 static char *RdSqlColName(GRD_SqlStmt *stmt, uint32_t idx); 54 static GRD_DbValueT RdSqlColValue(GRD_SqlStmt *stmt, uint32_t idx); 55 56 static uint8_t *RdSqlColBlob(GRD_SqlStmt *stmt, uint32_t idx); 57 static char *RdSqlColText(GRD_SqlStmt *stmt, uint32_t idx); 58 static int RdSqlColInt(GRD_SqlStmt *stmt, uint32_t idx); 59 static uint64_t RdSqlColInt64(GRD_SqlStmt *stmt, uint32_t idx); 60 static double RdSqlColDouble(GRD_SqlStmt *stmt, uint32_t idx); 61 static const float *RdSqlColumnFloatVector(GRD_SqlStmt *stmt, uint32_t idx, uint32_t *dim); 62 63 static int RdDbBackup(GRD_DB *db, const char *backupDbFile, uint8_t *encryptedKey, uint32_t encryptedKeyLen); 64 static int RdDbRestore(GRD_DB *db, const char *backupDbFile, uint8_t *encryptedKey, uint32_t encryptedKeyLen); 65 66 static int RdDbGetVersion(GRD_DB *db, GRD_ConfigTypeE type, int &version); 67 static int RdDbSetVersion(GRD_DB *db, GRD_ConfigTypeE type, int version); 68 }; 69 70 } // namespace NativeRdb 71 } // namespace OHOS 72 #endif // RD_UTILS_H