@Override
public TreeElement addInternal(TreeElement first, ASTNode last, ASTNode anchor, Boolean before) {
boolean needToAddNewline = false;
if (first == last && first.getElementType() == DOC_TAG) {
if (anchor == null) {
anchor = getLastChildNode(); // this is a '*/'
final ASTNode prevBeforeWS =
TreeUtil.skipElementsBack(anchor.getTreePrev(), ElementType.JAVA_WHITESPACE_BIT_SET);
if (prevBeforeWS != null) {
anchor = prevBeforeWS;
before = Boolean.FALSE;
} else {
before = Boolean.TRUE;
}
needToAddNewline = true;
}
if (anchor.getElementType() != DOC_TAG) {
final CharTable charTable = SharedImplUtil.findCharTableByTree(this);
final TreeElement newLine =
Factory.createSingleLeafElement(DOC_COMMENT_DATA, "\n", 0, 1, charTable, getManager());
final TreeElement leadingAsterisk =
Factory.createSingleLeafElement(
DOC_COMMENT_LEADING_ASTERISKS, "*", 0, 1, charTable, getManager());
final TreeElement commentData =
Factory.createSingleLeafElement(DOC_COMMENT_DATA, " ", 0, 1, charTable, getManager());
final TreeElement indentWS =
Factory.createSingleLeafElement(DOC_COMMENT_DATA, " ", 0, 1, charTable, getManager());
newLine.getTreeParent().addChild(indentWS);
newLine.getTreeParent().addChild(leadingAsterisk);
newLine.getTreeParent().addChild(commentData);
super.addInternal(newLine, commentData, anchor, Boolean.FALSE);
anchor = commentData;
before = Boolean.FALSE;
} else {
needToAddNewline = true;
}
}
if (before) anchor.getTreeParent().addChildren(first, last.getTreeNext(), anchor);
else anchor.getTreeParent().addChildren(first, last.getTreeNext(), anchor.getTreeNext());
if (needToAddNewline) {
if (first.getTreePrev() != null && first.getTreePrev().getElementType() == DOC_TAG) {
addNewLineToTag((CompositeElement) first.getTreePrev(), getProject());
}
if (first.getTreeNext() != null && first.getTreeNext().getElementType() == DOC_TAG) {
addNewLineToTag((CompositeElement) first, getProject());
} else {
removeEndingAsterisksFromTag((CompositeElement) first);
}
}
return first;
}
private static void removeEndingAsterisksFromTag(CompositeElement tag) {
ASTNode current = tag.getLastChildNode();
while (current != null && current.getElementType() == DOC_COMMENT_DATA) {
current = current.getTreePrev();
}
if (current != null && current.getElementType() == DOC_COMMENT_LEADING_ASTERISKS) {
final ASTNode prevWhiteSpace =
TreeUtil.skipElementsBack(current.getTreePrev(), ElementType.JAVA_WHITESPACE_BIT_SET);
ASTNode toBeDeleted = prevWhiteSpace.getTreeNext();
while (toBeDeleted != null) {
ASTNode next = toBeDeleted.getTreeNext();
tag.deleteChildInternal(toBeDeleted);
toBeDeleted = next;
}
}
}