!636

!629 // standard functions

main {
  psvm {
    String src = takeInput(args, "#2000397");
    List<String> cnc = parseCNC(src);
    for (int i = 1; i+2 < cnc.size(); i += 2) {
      if (cnc.get(i).equals("class")
        && cnc.get(i+2).equals("main")) {
        int j = i;
        while (j < cnc.size() && !cnc.get(j).equals("{"))
          j += 2;
        int k = findEndOfBlock(cnc, j);
        printExcerpt(cnc, i, k);
        break;
      }
    }
  }
  
  static int findEndOfBlock(List<String> cnc, int i) {
    int j = i+2, level = 1;
    while (j < cnc.size()) {
      if (cnc.get(j).equals("{")) ++level;
      else if (cnc.get(j).equals("}")) --level;
      if (level == 0)
        return j+1;
      ++j;
    }
    return cnc.size();
  }
  
  static void printExcerpt(List<String> cnc, int i, int j) {
    StringBuilder out = new StringBuilder();
    for (; i < j; i++)
      out.append(cnc.get(i));
    System.out.println(out.toString());
  }
  
  public static String unquote(String s) {
    if (s.startsWith("\"") && s.endsWith("\"") && s.length() > 1)
      return s.substring(1, s.length()-1).replace("\\\"", "\"").replace("\\n", "\n").replace("\\r", "\r").replace("\\\\", "\\"); // SHOULD work...
    return s;
  }
  
  static String takeInput(String[] args, String defSnippet) tex {
    if (args.length != 0)
      return loadSnippet(args[0]);
    String s = loadTextFile("input/input.txt", null);
    if (s != null) return s;
    return loadSnippet(defSnippet);
  }
  
  static List<String> parseCNC(String src) {
    List<String> list = new ArrayList<String>();
    for (String s : toLines(src))
      list.add(unquote(s));
    return list;
  }
}

Began life as a copy of #2000396