Function read_escape_sequence

src/runner/cli_wide_posix.cpp:96–119

}

std::string read_escape_sequence() {
    std::string seq;
    seq.push_back('\x1b');

    auto deadline = std::chrono::steady_clock::now() + std::chrono::milliseconds(40);
    while (std::chrono::steady_clock::now() < deadline) {
        if (!stdin_has_pending_input(0)) {
            std::this_thread::sleep_for(std::chrono::milliseconds(1));
            continue;
        }

        unsigned char next = 0;
        if (!read_single_byte(next)) {
            break;
        }

        seq.push_back(static_cast<char>(next));
        if ((next >= 'A' && next <= 'Z') || (next >= 'a' && next <= 'z') || next == '~') {
            break;
        }
    }

    return seq;
}

void redraw_input_line(const std::string& prompt, const std::string& line) {
    std::cout << "\r" << prompt << line << "\x1b[K" << std::flush;