print_print_fwk/utils/include/scan_util.h

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/*
* Copyright (c) 2023 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 SCAN_UTIL_H
#define SCAN_UTIL_H
#include <algorithm>
#include <charconv>
#include <iostream>
#include <sstream>
#include <list>
#include <vector>
#include <string>
#include "scan_log.h"
namespace OHOS::Scan {
class ScanUtil {
public:
#ifdef SANE_ENABLE
static ScanErrorCode ConvertErro(const SANE_Status status);
#endif
static bool ConvertToInt(const std::string& str, int32_t& value);
};
#ifdef SANE_ENABLE
inline ScanErrorCode ScanUtil::ConvertErro(const SANE_Status status)
{
return static_cast<ScanErrorCode> (status + E_SCAN_GOOD);
}
#endif
inline bool ScanUtil::ConvertToInt(const std::string& str, int32_t& value)
{
auto [ptr, ec] = std::from_chars(str.data(), str.data() + str.size(), value);
return ec == std::errc{} && ptr == str.data() + str.size();
}
} // namespace OHOS::Scan
#endif // SCAN_UTIL_H