mirror of
https://github.com/openharmony/drivers_peripheral.git
synced 2026-08-24 07:45:51 -04:00
limabiao
1807e382e6
Change-Id: I65d43d8a3d8f4d42792ef6f58b236a21003f81d0 Signed-off-by: limabiao <limabiao1@h-partners.com>
45 lines
1.2 KiB
C++
45 lines
1.2 KiB
C++
/*
|
|
* Copyright (c) 2025 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 DDK_SYSFS_DEVICES_PARSER_H
|
|
#define DDK_SYSFS_DEVICES_PARSER_H
|
|
|
|
#include <filesystem>
|
|
#include <optional>
|
|
#include <regex>
|
|
|
|
namespace fs = std::filesystem;
|
|
|
|
class SysfsDevNode {
|
|
public:
|
|
SysfsDevNode(uint32_t busNum, uint32_t devNum, uint8_t intfNum, const std::string& prefix) noexcept;
|
|
int32_t FindPath(std::string& path);
|
|
|
|
private:
|
|
std::optional<std::string> GetContent(const std::string& filePath);
|
|
|
|
private:
|
|
static const std::filesystem::path devDir_;
|
|
static const std::regex intfPathRegex_;
|
|
|
|
uint32_t busNum_;
|
|
uint32_t devNum_;
|
|
uint8_t intfNum_;
|
|
std::string prefix_;
|
|
std::regex fileNameRegex_;
|
|
};
|
|
|
|
#endif
|