private static void scanElementTag(DefaultNodeVisitor visitor, TagNode node) {
if (!node.isEndElement()) {
visitor.startElement(node);
}
if (node.isEndElement() || node.hasEnd()) {
visitor.endElement(node);
}
}
/**
* Scan a single element and send appropriate event: start element, end element, characters,
* comment, expression or directive.
*/
private void scanElement(DefaultNodeVisitor visitor, Node node) {
switch (node.getNodeType()) {
case TAG:
scanElementTag(visitor, (TagNode) node);
break;
case TEXT:
visitor.characters((TextNode) node);
break;
case COMMENT:
visitor.comment((CommentNode) node);
break;
case EXPRESSION:
visitor.expression((ExpressionNode) node);
break;
case DIRECTIVE:
visitor.directive((DirectiveNode) node);
break;
default:
break;
}
}
private void scan(
List<Node> nodeList,
WebSourceCode webSourceCode,
Charset charset,
List<DefaultNodeVisitor> visitors) {
// prepare the visitors
for (DefaultNodeVisitor visitor : visitors) {
visitor.setSourceCode(webSourceCode);
if (visitor instanceof CharsetAwareVisitor) {
((CharsetAwareVisitor) visitor).setCharset(charset);
}
}
// notify visitors for a new document
for (DefaultNodeVisitor visitor : visitors) {
visitor.startDocument(nodeList);
}
// notify the visitors for start and end of element
for (Node node : nodeList) {
for (DefaultNodeVisitor visitor : visitors) {
scanElement(visitor, node);
}
}
// notify visitors for end of document
for (DefaultNodeVisitor visitor : visitors) {
visitor.endDocument();
}
}
/** Add a visitor to the list of visitors. */
public void addVisitor(DefaultNodeVisitor visitor) {
checkVisitors.add(visitor);
visitor.init();
}
