C++ (Cpp) Shell::invoke Examples

Example #1

File: bossash.cpp Project: 8devices/BOSSA

int
main(int argc, char* argv[])
{
    char *input;
    char *str;
    char *tokv[5];
    int tokc;
    char *expansion;
    int result;

    printf("Press Ctrl-D or enter \"exit\" to end session.\n"
           "Enter \"help\" to display a command list.\n");

    using_history();

    try
    {
        Shell shell;

        while (!shell.exitFlag())
        {
            input = readline("bossa> ");
            if (!input)
            {
                printf("\n");
                break;
            }

            for (str = input; *str && isspace(*str); str++);

            if (*str)
            {
                result = history_expand(input, &expansion);
                if (result >= 0 && result != 2)
                {
                    add_history(expansion);
                    tokc = split(expansion, tokv, ARRAY_SIZE(tokv));
                    shell.invoke(tokv, tokc);
                }
                free(expansion);
            }
            free(input);
        }
    }
    catch(...)
    {
        printf("\nUnhandled exception\n");
        return 1;
    }

    return 0;
}