Method: ArgScanner.init

Defined in:

ext/arg_scanner/arg_scanner.c

.init(pipe_file_path, buffering, project_root_local, catch_only_every_n_call_local) ⇒ Object

# File 'ext/arg_scanner/arg_scanner.c', line 188

static VALUE init(VALUE self, VALUE pipe_file_path, VALUE buffering,
                  VALUE project_root_local, VALUE catch_only_every_n_call_local) {
    if (pipe_file_path != Qnil) {
        pipe_file_path = rb_file_s_expand_path(1, &pipe_file_path); // https://ruby-doc.org/core-2.2.0/File.html#method-c-expand_path
        const char *pipe_file_path_c = StringValueCStr(pipe_file_path);
        if (!file_exists(pipe_file_path_c)) {
            fprintf(stderr, "Specified pipe file: %s doesn't exists\n", pipe_file_path_c);
            exit(1);
        }
        pipe_file = fopen(pipe_file_path_c, "w");
        if (pipe_file == NULL) {
            fprintf(stderr, "Cannot open pipe file \"%s\" with write access\n", pipe_file_path_c);
            exit(1);
        }

        int buffering_disabled = buffering == Qnil;
        if (buffering_disabled) {
            setbuf(pipe_file, NULL);
        }
    }
    if (project_root_local != Qnil) {
        project_root = strdup(StringValueCStr(project_root_local));
    }
    if (catch_only_every_n_call_local != Qnil) {
        if (sscanf(StringValueCStr(catch_only_every_n_call_local), "%d", &catch_only_every_n_call) != 1) {
            fprintf(stderr, "Please specify number in --catch-only-every-N-call arg\n");
            exit(1);
        }
        srand(time(0));
    }
    return Qnil;
}