logiops/src/logid/backend/hidpp20/features/DeviceName.cpp
2023-04-29 00:24:35 -04:00

64 lines
2.0 KiB
C++

/*
* Copyright 2019-2023 PixlOne
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <backend/hidpp20/features/DeviceName.h>
using namespace logid::backend;
using namespace logid::backend::hidpp20;
namespace {
std::string _getName(uint8_t length,
const std::function<std::vector<uint8_t>(std::vector<uint8_t>)>& fcall) {
uint8_t function_calls = length / hidpp::LongParamLength;
if (length % hidpp::LongParamLength)
function_calls++;
std::vector<uint8_t> params(1);
std::string name;
for (uint8_t i = 0; i < function_calls; i++) {
params[0] = i * hidpp::LongParamLength;
auto name_section = fcall(params);
for (std::size_t j = 0; j < hidpp::LongParamLength; j++) {
if (params[0] + j >= length)
return name;
name += (char) name_section[j];
}
}
return name;
}
}
DeviceName::DeviceName(hidpp::Device* dev) :
EssentialFeature(dev, ID) {
}
uint8_t DeviceName::getNameLength() {
std::vector<uint8_t> params(0);
auto response = this->callFunction(DeviceName::Function::GetLength, params);
return response[0];
}
std::string DeviceName::getName() {
return _getName(getNameLength(), [this]
(std::vector<uint8_t> params) -> std::vector<uint8_t> {
return this->callFunction(DeviceName::Function::GetDeviceName, params);
});
}