Method read

ESP32_AP-Flasher/src/contentmanager.cpp:2708–2718

    }

    int read() override {
        findAndReplace();

        if (_buffer.length() > 0) {
            const int data = _buffer[0];
            _buffer.remove(0, 1);
            return data;
        }

        return -1;  // No more data
    }

    int peek() override {
        findAndReplace();