Method InsertAfterChild

sourcecommon/tinyxml2.cpp:701–726

XMLNode* XMLNode::InsertAfterChild( XMLNode* afterThis, XMLNode* addThis )
{
	if (addThis->_document != _document)
		return 0;

    TIXMLASSERT( afterThis->_parent == this );

    if ( afterThis->_parent != this ) {
        return 0;
    }

    if ( afterThis->_next == 0 ) {
        // The last node or the only node.
        return InsertEndChild( addThis );
    }
	if (addThis->_parent)
		addThis->_parent->Unlink( addThis );
	else
	   addThis->_memPool->SetTracked();
    addThis->_prev = afterThis;
    addThis->_next = afterThis->_next;
    afterThis->_next->_prev = addThis;
    afterThis->_next = addThis;
    addThis->_parent = this;
    return addThis;
}