!752

static PersistentMap<S, S> cache;

p {

  cache = new PersistentMap("cache");

}

answer {

  if "spell *" exceptionToUser {

    S n = m.unq(0);

    if (isInteger(n)) {

      S val = cache.get(n);

      if (val != null) ret val;

      S html = loadPage("https://www.ego4u.com/en/cram-up/vocabulary/numbers/generator?param=" + n + "&show=Show");

      L<S> tok = htmlcoarsetok(html);

      int i = 0;

      while (i < l(tok) && !tok.get(i).startsWith("cardinal number "))

        i += 2;

      i = indexOf(tok, "<li>", i);

      if (i >= 0) {

        val = tok.get(i+1);

        cache.put(n, val);

        ret val;

      }

    }

  }

  if "fill spell numbers cache *" {

    int max = min(m.psi(0), 1000), made = 0;

    for (int i = 0; i < max; i++)

      if (cache.get(str(i)) == null) {

        askSelf("spell " + i);

        ++made;

      }

    ret "OK, made numbers up to " + max + " (" + made + " new). Cache size now: " + cache.size();

  }

}