printable_to_string.cpp

/*
 * uuid-common - Microcontroller common utilities
 * Copyright 2019  Simon Arlott
 *
 * 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 <uuid/common.h>
 
#include <Arduino.h>
 
#include <string>
 
namespace uuid {
 
class PrintableString: public ::Print {
public:
    explicit PrintableString(std::string &output)
            : output_(output) {
 
    }
    ~PrintableString() = default;
 
    size_t write(uint8_t data) final override {
        output_.append(1, reinterpret_cast<unsigned char>(data));
        return 1;
    }
 
    size_t write(const uint8_t *buffer, size_t size) final override {
        output_.append(reinterpret_cast<const char*>(buffer), size);
        return size;
    }
 
private:
    std::string &output_;
};
 
size_t print_to_string(const Printable &printable, std::string &output) {
    PrintableString pstr{output};
 
    return printable.printTo(pstr);
}
 
std::string printable_to_string(const Printable &printable) {
    std::string str;
 
    print_to_string(printable, str);
 
    return str;
}
 
} // namespace uuid