int guac_terminal_osc()

in src/terminal/terminal-handlers.c [1563:1619]

• 30 lines of code
• 15 McCabe index (conditional complexity)

int guac_terminal_osc(guac_terminal* term, unsigned char c) {

    static int operation = 0;

    /* If digit, append to operation */
    if (c >= '0' && c <= '9')
        operation = operation * 10 + c - '0';

    /* If end of parameter, check value */
    else if (c == ';') {

        /* Download OSC */
        if (operation == 482200)
            term->char_handler = guac_terminal_download;

        /* Set upload directory OSC */
        else if (operation == 482201)
            term->char_handler = guac_terminal_set_directory;

        /* Open and redirect output to pipe stream OSC */
        else if (operation == 482202)
            term->char_handler = guac_terminal_open_pipe_stream;

        /* Close pipe stream OSC */
        else if (operation == 482203)
            term->char_handler = guac_terminal_close_pipe_stream;

        /* Set scrollback size OSC */
        else if (operation == 482204)
            term->char_handler = guac_terminal_set_scrollback;

        /* Set window title OSC */
        else if (operation == 0 || operation == 2)
            term->char_handler = guac_terminal_window_title;

        /* xterm 256-color palette redefinition */
        else if (operation == 4)
            term->char_handler = guac_terminal_xterm_palette;

        /* Reset parameter for next OSC */
        operation = 0;

    }

    /* Stop on ECMA-48 ST (String Terminator */
    else if (c == 0x9C || c == 0x5C || c == 0x07)
        term->char_handler = guac_terminal_echo;

    /* Stop on unrecognized character */
    else {
        guac_client_log(term->client, GUAC_LOG_DEBUG,
                "Unexpected character in OSC: 0x%X", c);
        term->char_handler = guac_terminal_echo;
    }

    return 0;
}