/*
 * Copyright (C) 2022 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef OHOS_MEDIALIBRARY_COMMON_UTILS_H
#define OHOS_MEDIALIBRARY_COMMON_UTILS_H

#include <cstddef>
#include <cstdint>
#include <string>
#include <vector>

namespace OHOS {
namespace Media {
#define COMPILE_HIDDEN __attribute__ ((visibility ("hidden")))
class MediaLibraryCommonUtils {
public:
    static int32_t GenKeySHA256(const std::vector<uint8_t> &input, std::string &key);
    static int32_t GenKeySHA256(const std::string &input, std::string &key);
    static bool CheckWhereClause(const std::string &whereClause);
    static void AppendSelections(std::string &selections);
private:
    COMPILE_HIDDEN MediaLibraryCommonUtils() = delete;
    COMPILE_HIDDEN ~MediaLibraryCommonUtils() = delete;

    static void Char2Hex(const unsigned char *data, const size_t len, std::string &hexStr);
    static int32_t GenKey(const unsigned char *data, const size_t len, std::string &key);
    static bool CheckIllegalCharacter(const std::string &strCondition);
    static bool CheckKeyWord(const std::string &strCondition);
    static void SeprateSelection(std::string &strCondition, std::vector<std::string> &sepratedStr);
    static bool CheckExpressValidation(std::vector<std::string> &sepratedStr);
    static bool CheckWhiteList(const std::string &express);
    static void ExtractKeyWord(std::string &str);
    static void RemoveSpecialCondition(std::string &hacker, const std::string &pattern);
    static void RemoveSpecialCondition(std::string &hacker);
};
} // namespace Media
} // namespace OHOS
#endif // OHOS_MEDIALIBRARY_COMMON_UTILS_H