/**
* 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());
}
}
// @Override default constructor
public HtmlValidator() {
tags = HtmlTag.tokenize("");
}