/** * removes any tags from the validator's queue that match the given element * * @param element to remove from the queue */ public void removeAll(String element) { for (HtmlTag h : tags) { if (h.toString().equals(element)) { tags.remove(h); } } }
/** * examines a sequence of HTML tags and determines if it represents a valid sequence of tags * prints an indented text representation of the HTML tags in the queue */ public void validate() { int indent = 0; StackMP2 stack = new StackMP2(); for (HtmlTag h : tags) { if (stack.isEmpty() & !h.isOpenTag()) { System.out.println("Error unexpected tag: " + h.toString()); continue; } if (!h.isOpenTag()) { if (h.matches(stack.peek())) { for (int j = 0; j < indent - 1; j++) { System.out.print(" "); } System.out.println(h.toString()); stack.pop(); indent--; } else { System.out.println("Error unexpected tag: " + h.toString()); } } else { for (int i = 0; i < indent; i++) { System.out.print(" "); } System.out.println(h.toString()); if (!h.isSelfClosing()) { stack.push(h); indent++; } } } while (!stack.isEmpty()) { System.out.println("Error unclosed tag: " + stack.pop().toString()); } }