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// 
// NodeAppender.cpp 
// 
// Library: XML 
// Package: DOM 
// Module:  NodeAppender 
// 
// Copyright (c) 2007, Applied Informatics Software Engineering GmbH. 
// and Contributors. 
// 
// SPDX-License-Identifier:	BSL-1.0 
// 
 
 
#include "Poco/DOM/NodeAppender.h" 
#include "Poco/DOM/Element.h" 
#include "Poco/DOM/DOMException.h" 
 
 
namespace Poco { 
namespace XML { 
 
 
NodeAppender::NodeAppender(Element* parent): 
	_pParent(parent), 
	_pLast(0) 
{ 
	poco_check_ptr (parent); 
 
	_pLast = static_cast<AbstractNode*>(_pParent->lastChild()); 
} 
 
 
NodeAppender::~NodeAppender() 
{ 
} 
 
 
void NodeAppender::appendChild(Node* newChild) 
{ 
	poco_check_ptr (newChild); 
	poco_assert (_pLast == 0 || _pLast->_pNext == 0); 
 
	if (static_cast<AbstractNode*>(newChild)->_pOwner != _pParent->_pOwner) 
		throw DOMException(DOMException::WRONG_DOCUMENT_ERR); 
		 
	if (newChild->nodeType() == Node::DOCUMENT_FRAGMENT_NODE) 
	{ 
		AbstractContainerNode* pFrag = static_cast<AbstractContainerNode*>(newChild); 
		AbstractNode* pChild = pFrag->_pFirstChild; 
		if (pChild) 
		{ 
			if (_pLast) 
				_pLast->_pNext = pChild; 
			else 
				_pParent->_pFirstChild = pChild; 
			while (pChild) 
			{ 
				_pLast = pChild; 
				pChild->_pParent = _pParent; 
				pChild = pChild->_pNext; 
			} 
			pFrag->_pFirstChild = 0; 
		} 
	} 
	else 
	{ 
		AbstractNode* pAN = static_cast<AbstractNode*>(newChild); 
		pAN->duplicate(); 
		if (pAN->_pParent)  
			pAN->_pParent->removeChild(pAN); 
		pAN->_pParent = _pParent; 
		if (_pLast) 
			_pLast->_pNext = pAN; 
		else 
			_pParent->_pFirstChild = pAN; 
		_pLast = pAN; 
	} 
} 
 
 
} } // namespace Poco::XML