void RangeImpl::setEndAfter(const DOM_Node& refNode)
{
if( fDetached) {
throw DOM_DOMException(
DOM_DOMException::INVALID_STATE_ERR, null);
}
if ( !hasLegalRootContainer(refNode) || !isLegalContainedNode(refNode)) {
throw DOM_RangeException(
DOM_RangeException::INVALID_NODE_TYPE_ERR, null);
}
fEndContainer = refNode.getParentNode();
unsigned int i = 0;
for (DOM_Node n = refNode; n!=null; n = n.getPreviousSibling(), i++) ;
if (i ==0)
fEndOffset = 0;
else
fEndOffset = i;
if ((fDocument != refNode.getOwnerDocument() )
&& (refNode.getOwnerDocument().fImpl != 0) )
{
fDocument = refNode.getOwnerDocument();
collapse(true);
}
//compare the start and end boundary point
//collapse if start point is after the end point
if(compareBoundaryPoints(DOM_Range::END_TO_START, this) == 1)
collapse(false); //collapse the range positions to end
else
fCollapsed = false;
}
const DOM_Node RangeImpl::commonAncestorOf(const DOM_Node& pointA, const DOM_Node& pointB) const
{
if (fDetached)
throw DOM_DOMException(DOM_DOMException::INVALID_STATE_ERR, null);
if (pointA.getOwnerDocument() != pointB.getOwnerDocument())
throw DOM_DOMException( DOM_DOMException::WRONG_DOCUMENT_ERR, null );
//if the containers are same then it itself is its common ancestor.
if (pointA == pointB)
return pointA;
typedef RefVectorOf<NodeImpl> VectorNodes;
VectorNodes* startV= new (((DocumentImpl*)fDocument.fImpl)->getMemoryManager()) VectorNodes(1, false, ((DocumentImpl*)fDocument.fImpl)->getMemoryManager());
DOM_Node node;
for (node=fStartContainer; node != null; node=node.getParentNode())
{
startV->addElement(node.fImpl);
}
VectorNodes* endV = new (((DocumentImpl*)fDocument.fImpl)->getMemoryManager()) VectorNodes(1, false, ((DocumentImpl*)fDocument.fImpl)->getMemoryManager());
for (node=fEndContainer; node != null; node=node.getParentNode())
{
endV->addElement(node.fImpl);
}
int s = startV->size()-1;
int e = endV->size()-1;
NodeImpl* commonAncestor = 0;
while (s>=0 && e>=0) {
if (startV->elementAt(s) == endV->elementAt(e)) {
commonAncestor = startV->elementAt(s);
}
else break;
--s;
--e;
}
delete startV;
delete endV;
return DOM_Node(commonAncestor);
}
void RangeImpl::setEnd(const DOM_Node& refNode, unsigned int offset)
{
validateNode(refNode);
checkIndex(refNode, offset);
fEndContainer = refNode;
fEndOffset = offset;
if ((fDocument != refNode.getOwnerDocument() )
&& (refNode.getOwnerDocument().fImpl != 0) )
{
fDocument = refNode.getOwnerDocument();
collapse(false);
}
//compare the start and end boundary point
//collapse if start point is after the end point
if(compareBoundaryPoints(DOM_Range::END_TO_START, this) == 1)
collapse(false); //collapse the range positions to end
else
fCollapsed = false;
}
void RangeImpl::surroundContents(DOM_Node& newParent)
{
if (newParent==null) return;
//check for elimination criteria
if( fDetached) {
throw DOM_DOMException(
DOM_DOMException::INVALID_STATE_ERR, null);
}
if (newParent.getOwnerDocument() !=fDocument) {
throw DOM_DOMException(
DOM_DOMException::WRONG_DOCUMENT_ERR, null);
}
int type = newParent.getNodeType();
if ( !isLegalContainedNode(newParent)
|| type == DOM_Node::DOCUMENT_TYPE_NODE)
{
throw DOM_RangeException(
DOM_RangeException::INVALID_NODE_TYPE_ERR, null);
}
DOM_Node root = getCommonAncestorContainer();
DOM_Node realStart = fStartContainer;
DOM_Node realEnd = fEndContainer;
if (fStartContainer.getNodeType() == DOM_Node::TEXT_NODE) {
realStart = fStartContainer.getParentNode();
}
if (fEndContainer.getNodeType() == DOM_Node::TEXT_NODE) {
realEnd = fEndContainer.getParentNode();
}
if (realStart != realEnd) {
throw DOM_RangeException(
DOM_RangeException::BAD_BOUNDARYPOINTS_ERR, null);
}
DOM_DocumentFragment frag = extractContents();
insertNode(newParent);
newParent.appendChild(frag);
selectNode(newParent);
}
void RangeImpl::insertNode(DOM_Node& newNode)
{
if (newNode == null) return; //don't have to do anything
for (DOM_Node aNode = fStartContainer; aNode!=null; aNode = aNode.getParentNode()) {
if (aNode.fImpl->isReadOnly()) {
throw DOM_DOMException(
DOM_DOMException::NO_MODIFICATION_ALLOWED_ERR, null);
}
}
if (fDocument != newNode.getOwnerDocument()) {
throw DOM_DOMException(
DOM_DOMException::WRONG_DOCUMENT_ERR, null);
}
// Prevent cycles in the tree.
//isKidOK() is not checked here as its taken care by insertBefore() function
if (isAncestorOf( newNode, fStartContainer)) {
throw DOM_DOMException(
DOM_DOMException::HIERARCHY_REQUEST_ERR, null);
}
if( fDetached) {
throw DOM_DOMException(
DOM_DOMException::INVALID_STATE_ERR, null);
}
int type = newNode.getNodeType();
if (type == DOM_Node::ATTRIBUTE_NODE
|| type == DOM_Node::ENTITY_NODE
|| type == DOM_Node::NOTATION_NODE
|| type == DOM_Node::DOCUMENT_NODE)
{
throw DOM_RangeException(
DOM_RangeException::INVALID_NODE_TYPE_ERR, null);
}
DOM_Node parent;
DOM_Node next;
if (fStartContainer.getNodeType() == DOM_Node::TEXT_NODE) {
//set 'parent' and 'next' here
parent = fStartContainer.getParentNode();
//split the text nodes
if (fStartOffset > 0)
((DOM_Text &)fStartContainer).splitText(fStartOffset);
//update the new start information later. After inserting the first newNode
if (fStartOffset == 0)
next = fStartContainer;
else
next = fStartContainer.getNextSibling();
} // end of text handling
else {
parent = fStartContainer;
next = fStartContainer.getFirstChild();
for(unsigned int i = 0; (i < fStartOffset) && (next != null); i++) {
next=next.getNextSibling();
}
}
if (parent != null) {
if (next != null)
parent.insertBefore(newNode, next);
else
parent.appendChild(newNode);
}
}
