xref: /foundation/multimodalinput/input/util/common/include/util_ex.h (revision c29fa5a6)

/*
 * Copyright (c) 2021-2022 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 UTIL_EX_H
#define UTIL_EX_H

#include <ctime>
#include <map>
#include <string>
#include <type_traits>
#include <vector>

#include "securec.h"

#include "define_multimodal.h"
#include "mmi_log.h"
#include "struct_multimodal.h"
#include "util.h"

#undef MMI_LOG_TAG
#define MMI_LOG_TAG "UtilEx"

namespace OHOS {
namespace MMI {
template<class ...Ts>
int32_t mprintf(int32_t fd, const char* fmt, Ts... args)
{
    if (fmt == nullptr) {
        return RET_ERR;
    }

    static constexpr size_t bufSize = 1024 * 10;
    char buf[bufSize] = {};
    int32_t ret = snprintf_s(buf, bufSize, bufSize - 1, fmt, args...);
    if (ret == -1) {
        return ret;
    }

    if (fd < 0) {
        ret = printf("%s\n", buf);
    } else if (fd == 0) {
        MMI_HILOGF("%{public}s", buf);
    } else {
        ret = dprintf(fd, "%s\n", buf);
    }
    return ret;
}

template <class Enum>
constexpr auto EnumUnderlyingValue(Enum const e) -> typename std::underlying_type<Enum>::type
{
    static_assert(std::is_enum<Enum>::value, "input value is not of enum class nor enum");
    return static_cast<typename std::underlying_type<Enum>::type>(e);
}

template <class Enum, class T>
Enum EnumAdd(Enum const e, T val)
{
    static_assert(std::is_enum<Enum>::value, "input value is not of enum class nor enum");
    auto a = EnumUnderlyingValue(e);
    return static_cast<Enum>(a + val);
}
} // namespace MMI
} // namespace OHOS
#endif // UTIL_EX_H