Example #1
0
  public List<Rule> findAllRules() {
    IntegerElement x, y;
    ArrayList<Rule> rules = new ArrayList<Rule>();

    for (x = (IntegerElement) getMinX(); x.compareTo(getMaxX()) <= 0; x = x.succ()) {
      for (y = (IntegerElement) getMinY(); y.compareTo(getMaxY()) <= 0; y = y.succ()) {
        boolean escaped = (!y.isZero() && get(x, y.pred()).getChar() != ' ');
        if (escaped) continue;
        if (get(x, y).getChar() == '(') {
          // System.out.println("Found a rule start at " + x + ", " + y);
          IntegerElement x2 = x;
          CharacterElement g = get(x2, y);
          while (g.getChar() != ')' && x2.compareTo(getMaxX()) <= 0) {
            x2 = x2.succ();
            g = get(x2, y);
          }
          if (g.getChar() != ')') continue;
          // System.out.println("Found a rule from " + x + "," + y + " to " + x2);
          CharacterElement w = get(x2.pred(), y);
          if (w.getChar() == ' ') w = null;
          Rule r = new Rule(this, x.succ(), y.succ(), (x2.subtract(x)).pred(), w);
          rules.add(r);
        }
      }
    }

    return rules;
  }
Example #2
0
  /*
   * We assume a match was made at the given position.
   */
  public void applyRule(Rule r, Position p) {
    IntegerElement i, j;

    CharacterElement wildcard = r.getWildcard();
    // System.out.printf("applying at %s: %s", p.toString(), r.dump());
    /* Note that r.getHeight() == width/2 ... */
    for (i = IntegerElement.ZERO; i.compareTo(r.getHeight()) < 0; i = i.succ()) {
      for (j = IntegerElement.ZERO; j.compareTo(r.getHeight()) < 0; j = j.succ()) {
        CharacterElement replacement = r.get(i.add(r.getHeight()), j);
        IntegerElement destX = p.getX().add(i);
        IntegerElement destY = p.getY().add(j);
        // System.out.printf("(%s,%s): [%s] '%s' -> (%s,%s)\n", i, j, wildcard,
        // replacement.getChar(), destX, destY);
        if (wildcard == null || wildcard.getChar() != replacement.getChar()) {
          set(destX, destY, replacement);
        }
      }
    }
  }
Example #3
0
 public boolean match(CharacterElement sought, CharacterElement candidate) {
   if (wildcard != null && sought.getChar() == wildcard.getChar()) {
     return true;
   }
   return candidate.equals(sought);
 }