gistfile1.java

public void parseLevel() {
  open("level");
  while (at("map", "tilesets")) {
    if (at("map")) {
      open("map");
      int width = (int) attr("width");
      int height = (int) attr("height");
      // alloc map array of width x height
      for (int i = 0; i < height; i++) {
        open("r");
        for (int j = 0; j < width; j++) {
          if (at("n")) {
            skip(); // skips child nodes too
          } else if (at("c")) {
            open(); // unconditional open
            // read attributes and populate stuff
            close();
          }
        }
        close();
      }
    } else if (at("tilesets")) {
      // you get the idea
    }
  }
  close(); // implicit stack, should know i'm trying to close "level"
}