Exemplo n.º 1
0
Arquivo: mdp.c Projeto: zhanleewo/mdp
int main(int argc, char *argv[]) {
    int notrans = 0;
    int nofade = 0;
    int invert = 0;

    // define command-line options
    struct option longopts[] = {
        { "debug",   no_argument, 0, 'd' },
        { "nofade",  no_argument, 0, 'f' },
        { "help",    no_argument, 0, 'h' },
        { "invert",  no_argument, 0, 'i' },
        { "notrans", no_argument, 0, 't' },
        { "version", no_argument, 0, 'v' },
        { 0, 0, 0, 0 }
    };

    // parse command-line options
    int opt, debug = 0;
    while ((opt = getopt_long(argc, argv, ":dfhitv", longopts, NULL)) != -1) {
        switch(opt) {
            case 'd': debug += 1; break;
            case 'f': nofade = 1; break;
            case 'h': usage(); break;
            case 'i': invert = 1; break;
            case 't': notrans = 1; break;
            case 'v': version(); break;
            case ':': fprintf(stderr, "%s: '%c' requires an argument\n", argv[0], optopt); usage(); break;
            case '?':
            default : fprintf(stderr, "%s: option '%c' is invalid\n", argv[0], optopt); usage(); break;
        }
    }

    // open file or set input to STDIN
    char *file;
    FILE *input;
    if (optind < argc) {
        do {
            file = argv[optind];
        } while(++optind < argc);

        if(!strcmp(file, "-")) {
            input = stdin;
        } else {
            input = fopen(file,"r");
            if(!input) {
                fprintf(stderr, "%s: %s: %s\n", argv[0], file, strerror(errno));
                exit(EXIT_FAILURE);
            }
        }
    } else {
        input = stdin;
    }

    // load deck object from input
    deck_t *deck;
    deck = markdown_load(input);

    // close file
    fclose(input);

    // replace stdin with current tty if input was a pipe
    if(input == stdin) {
        input = freopen("/dev/tty", "rw", stdin);
        if(!input) {
            fprintf(stderr, "%s: %s: %s\n", argv[0], "/dev/tty", strerror(errno));
            exit(EXIT_FAILURE);
        }
    }

    if(debug > 0) {
        markdown_debug(deck, debug);
    }

    ncurses_display(deck, notrans, nofade, invert);

    return(EXIT_SUCCESS);
}
Exemplo n.º 2
0
Arquivo: main.c Projeto: Gottox/mdp
int main(int argc, char *argv[]) {
    int notrans = 0;   // disable transparency
    int nofade = 0;    // disable fading
    int invert = 0;    // invert color (black on white)
    int reload = 0;    // reload page N (0 means no reload)
    int noreload = 1;  // reload disabled until we know input is a file
    int slidenum = 2;  // 0:don't show; 1:show #; 2:show #/#

    // define command-line options
    struct option longopts[] = {
        { "debug",   no_argument, 0, 'd' },
        { "nofade",  no_argument, 0, 'f' },
        { "help",    no_argument, 0, 'h' },
        { "invert",  no_argument, 0, 'i' },
        { "notrans", no_argument, 0, 't' },
        { "version", no_argument, 0, 'v' },
        { "noslidenum", no_argument, 0, 's' },
        { "noslidemax", no_argument, 0, 'x' },
        { 0, 0, 0, 0 }
    };

    // parse command-line options
    int opt, debug = 0;
    while ((opt = getopt_long(argc, argv, ":dfhitvsx", longopts, NULL)) != -1) {
        switch(opt) {
            case 'd': debug += 1; break;
            case 'f': nofade = 1; break;
            case 'h': usage(); break;
            case 'i': invert = 1; break;
            case 't': notrans = 1; break;
            case 'v': version(); break;
            case 's': slidenum = 0; break;
            case 'x': slidenum = 1; break;
            case ':': fprintf(stderr, "%s: '%c' requires an argument\n", argv[0], optopt); usage(); break;
            case '?':
            default : fprintf(stderr, "%s: option '%c' is invalid\n", argv[0], optopt); usage(); break;
        }
    }

    // set locale to that of the environment, so that ncurses properly renders
    // UTF-8 characters if the system supports it
    setlocale(LC_CTYPE, "");

    // open file or set input to STDIN
    char *file = NULL;
    FILE *input;
    if (optind < argc) {
        do {
            file = argv[optind];
        } while(++optind < argc);

        if(!strcmp(file, "-")) {
            input = stdin;
        } else {
            input = fopen(file,"r");
            if(!input) {
                fprintf(stderr, "%s: %s: %s\n", argv[0], file, strerror(errno));
                exit(EXIT_FAILURE);
            }
            // enable reload because input is a file
            noreload = 0;
        }
    } else {
        input = stdin;
    }

    // reload loop
    do {

        // reopen input file on reload
        if(noreload == 0 && reload > 0) {
            if(file) {
                input = fopen(file,"r");
                if(!input) {
                    fprintf(stderr, "%s: %s: %s\n", argv[0], file, strerror(errno));
                    exit(EXIT_FAILURE);
                }
            } else {
                fprintf(stderr, "%s: %s\n", argv[0], "no input file");
                exit(EXIT_FAILURE);
            }
        }

        // load deck object from input
        deck_t *deck;
        deck = markdown_load(input);

        // close file
        fclose(input);

        // replace stdin with current tty if input was a pipe
        // if input was a pipe reload is disabled, so we simply check that
        if(noreload == 1) {
            input = freopen("/dev/tty", "rw", stdin);
            if(!input) {
                fprintf(stderr, "%s: %s: %s\n", argv[0], "/dev/tty", strerror(errno));
                exit(EXIT_FAILURE);
            }
        }

        if(debug > 0) {
            markdown_debug(deck, debug);
        }

        reload = ncurses_display(deck, notrans, nofade, invert, reload, noreload, slidenum);

        free_deck(deck);

    // reload if supported and requested
    } while(noreload == 0 && reload > 0);

    return EXIT_SUCCESS;
}