4. DONE File

CLOSED: [2019-11-14 Thu 18:19] Creates a graph given, a filename.

fprintf(stderr, "file: Creates graph from file.\n");

static int dot_file(int argc, char *argv[]);

static int dot_file(int argc, char *argv[])
{
    wmp_core core;
    int rc;
    wmp_file file;
    wmp_block blk;

    if (argc < 2) {
        fprintf(stderr, "Usage: %s FILE [prog]\n", argv[0]);
        return 1;
    }

    rc = wmp_core_open(&core, wmp_filename_get());
    if (!rc) return 0;

    wmp_file_init(&file);

    rc = wmp_lookup_file(&core, argv[1], &file);

    if (!rc) {
        printf("Could not find file %s\n", argv[1]);
        return 1;
    }

    wmp_block_init(&blk);
    rc = wmp_find_block(&core, file.top, &blk, 0);

    if (!rc) {
        printf("Could not find block with id %d\n", file.id);
        return 1;
    }

    printf("digraph {\n");
    print_tree(&core, blk.name, 0);
    printf("}\n");

    wmp_file_free(&file);
    wmp_core_close(&core);
    return 0;
}

else if (match(argv[1], len, "file", 4)) {
    argv++;
    argc--;
    dot_file(argc, argv);
}

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