/**
* Creates child nodes for each node from 'nodes' array.
*
* @param parseTreeParent original ParseTree parent node
* @param nodes array of JavadocNodeImpl nodes
*/
private void insertChildrenNodes(final JavadocNodeImpl[] nodes, ParseTree parseTreeParent) {
for (int i = 0; i < nodes.length; i++) {
final JavadocNodeImpl currentJavadocNode = nodes[i];
final ParseTree currentParseTreeNodeChild = parseTreeParent.getChild(i);
final JavadocNodeImpl[] subChildren =
createChildrenNodes(currentJavadocNode, currentParseTreeNodeChild);
currentJavadocNode.setChildren((DetailNode[]) subChildren);
}
}
/**
* Creates root JavadocNodeImpl node base on ParseTree root node.
*
* @param parseTreeNode ParseTree root node
* @return root Javadoc node
*/
private JavadocNodeImpl createRootJavadocNode(ParseTree parseTreeNode) {
final JavadocNodeImpl rootJavadocNode = createJavadocNode(parseTreeNode, null, -1);
final int childCount = parseTreeNode.getChildCount();
final JavadocNodeImpl[] children = new JavadocNodeImpl[childCount];
for (int i = 0; i < childCount; i++) {
final JavadocNodeImpl child =
createJavadocNode(parseTreeNode.getChild(i), rootJavadocNode, i);
children[i] = child;
}
rootJavadocNode.setChildren((DetailNode[]) children);
return rootJavadocNode;
}
/**
* Creates JavadocNodeImpl node on base of ParseTree node.
*
* @param parseTree ParseTree node
* @param parent DetailNode that will be parent of new node
* @param index child index that has new node
* @return JavadocNodeImpl node on base of ParseTree node.
*/
private JavadocNodeImpl createJavadocNode(ParseTree parseTree, DetailNode parent, int index) {
final JavadocNodeImpl node = new JavadocNodeImpl();
node.setText(parseTree.getText());
node.setColumnNumber(getColumn(parseTree));
node.setLineNumber(getLine(parseTree) + blockCommentLineNumber);
node.setIndex(index);
node.setType(getTokenType(parseTree));
node.setParent(parent);
node.setChildren((DetailNode[]) new JavadocNodeImpl[parseTree.getChildCount()]);
return node;
}
/**
* Converts ParseTree (that is generated by ANTLRv4) to DetailNode tree.
*
* @param parseTreeNode root node of ParseTree
* @return root of DetailNode tree
*/
private DetailNode convertParseTreeToDetailNode(ParseTree parseTreeNode) {
final JavadocNodeImpl rootJavadocNode = createRootJavadocNode(parseTreeNode);
JavadocNodeImpl currentJavadocParent = rootJavadocNode;
ParseTree parseTreeParent = parseTreeNode;
while (currentJavadocParent != null) {
// remove unnecessary children tokens
if (currentJavadocParent.getType() == JavadocTokenTypes.TEXT) {
currentJavadocParent.setChildren((DetailNode[]) JavadocNodeImpl.EMPTY_DETAIL_NODE_ARRAY);
}
final JavadocNodeImpl[] children = (JavadocNodeImpl[]) currentJavadocParent.getChildren();
insertChildrenNodes(children, parseTreeParent);
if (children.length > 0) {
currentJavadocParent = children[0];
parseTreeParent = parseTreeParent.getChild(0);
} else {
JavadocNodeImpl nextJavadocSibling =
(JavadocNodeImpl) JavadocUtils.getNextSibling(currentJavadocParent);
ParseTree nextParseTreeSibling = getNextSibling(parseTreeParent);
if (nextJavadocSibling == null) {
JavadocNodeImpl tempJavadocParent = (JavadocNodeImpl) currentJavadocParent.getParent();
ParseTree tempParseTreeParent = parseTreeParent.getParent();
while (nextJavadocSibling == null && tempJavadocParent != null) {
nextJavadocSibling = (JavadocNodeImpl) JavadocUtils.getNextSibling(tempJavadocParent);
nextParseTreeSibling = getNextSibling(tempParseTreeParent);
tempJavadocParent = (JavadocNodeImpl) tempJavadocParent.getParent();
tempParseTreeParent = tempParseTreeParent.getParent();
}
}
currentJavadocParent = nextJavadocSibling;
parseTreeParent = nextParseTreeSibling;
}
}
return rootJavadocNode;
}