/*
 * Copyright 1999-2004 The Apache Software Foundation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#include "XercesElementWrapper.hpp"


#include <xercesc/dom/DOMElement.hpp>
#include <xercesc/dom/DOMNodeList.hpp>


#include <xalanc/XalanDOM/XalanAttr.hpp>


#include <xalanc/DOMSupport/DOMServices.hpp>


#include "XercesWrapperHelper.hpp"
#include "XercesWrapperNavigator.hpp"
#include "XercesDOMWrapperException.hpp"
#include "XercesDocumentWrapper.hpp"


XALAN_CPP_NAMESPACE_BEGIN


XercesElementWrapper::XercesElementWrapper(
			const DOMElementType*			theXercesElement,
			const XercesWrapperNavigator&	theNavigator) :
	XalanElement(),
	m_xercesNode(theXercesElement),
	m_navigator(theNavigator),
	m_attributes(theXercesElement->getAttributes(),
				 theNavigator)
{
	assert(theXercesElement != 0);
}


XercesElementWrapper::~XercesElementWrapper()
{
}


const XalanDOMString&
XercesElementWrapper::getNodeName() const
{
	return m_navigator.getPooledString(m_xercesNode->getNodeName());
}


const XalanDOMString&
XercesElementWrapper::getNodeValue() const
{
	return m_navigator.getPooledString(m_xercesNode->getNodeValue());
}


XercesElementWrapper::NodeType
XercesElementWrapper::getNodeType() const
{
	return ELEMENT_NODE;
}


XalanNode*
XercesElementWrapper::getParentNode() const
{
	return m_navigator.getParentNode(m_xercesNode);
}


const XalanNodeList*
XercesElementWrapper::getChildNodes() const
{
	return this;
}


XalanNode*
XercesElementWrapper::getFirstChild() const
{
	return m_navigator.getFirstChild(m_xercesNode);
}


XalanNode*
XercesElementWrapper::getLastChild() const
{
	return m_navigator.getLastChild(m_xercesNode);
}


XalanNode*
XercesElementWrapper::getPreviousSibling() const
{
	return m_navigator.getPreviousSibling(m_xercesNode);
}


XalanNode*
XercesElementWrapper::getNextSibling() const
{
	return m_navigator.getNextSibling(m_xercesNode);
}


const XalanNamedNodeMap*
XercesElementWrapper::getAttributes() const
{
	return &m_attributes;
}


XalanDocument*
XercesElementWrapper::getOwnerDocument() const
{
	return m_navigator.getOwnerDocument();
}


#if defined(XALAN_NO_COVARIANT_RETURN_TYPE)
XalanNode*
#else
XercesElementWrapper*
#endif
XercesElementWrapper::cloneNode(bool	/* deep */) const
{
	throw XercesDOMWrapperException(XercesDOMWrapperException::NOT_SUPPORTED_ERR);

	return 0;
}


XalanNode*
XercesElementWrapper::insertBefore(
			XalanNode*	/* newChild */,
			XalanNode*	/* refChild */)
{
	throw XercesDOMWrapperException(XercesDOMWrapperException::HIERARCHY_REQUEST_ERR);

	return 0;
}


XalanNode*
XercesElementWrapper::replaceChild(
			XalanNode*	/* newChild */,
			XalanNode*	/* oldChild */)
{
	throw XercesDOMWrapperException(XercesDOMWrapperException::HIERARCHY_REQUEST_ERR);

	return 0;
}


XalanNode*
XercesElementWrapper::removeChild(XalanNode*	/* oldChild */)
{
	throw XercesDOMWrapperException(XercesDOMWrapperException::HIERARCHY_REQUEST_ERR);

	return 0;
}


XalanNode*
XercesElementWrapper::appendChild(XalanNode*	/* newChild */)
{
	throw XercesDOMWrapperException(XercesDOMWrapperException::HIERARCHY_REQUEST_ERR);

	return 0;
}


bool
XercesElementWrapper::hasChildNodes() const
{
	return m_xercesNode->hasChildNodes();
}


void
XercesElementWrapper::setNodeValue(const XalanDOMString&	/* nodeValue */)
{
	throw XalanDOMException(XalanDOMException::NO_MODIFICATION_ALLOWED_ERR);
}


void
XercesElementWrapper::normalize()
{
	throw XalanDOMException(XalanDOMException::NO_MODIFICATION_ALLOWED_ERR);
}


bool
XercesElementWrapper::isSupported(
			const XalanDOMString&	feature,
			const XalanDOMString&	version) const
{
	return XercesWrapperHelper::isSupported(m_xercesNode, feature, version);
}


const XalanDOMString&
XercesElementWrapper::getNamespaceURI() const
{
	return m_navigator.getPooledString(m_xercesNode->getNamespaceURI());
}


const XalanDOMString&
XercesElementWrapper::getPrefix() const
{
	return m_navigator.getPooledString(m_xercesNode->getPrefix());
}


const XalanDOMString&
XercesElementWrapper::getLocalName() const
{
	return m_navigator.getPooledString(m_xercesNode->getLocalName());
}


void
XercesElementWrapper::setPrefix(const XalanDOMString&	/* prefix */)
{
	throw XalanDOMException(XalanDOMException::NO_MODIFICATION_ALLOWED_ERR);
}


bool
XercesElementWrapper::isIndexed() const
{
	return m_navigator.getOwnerDocument()->isIndexed();
}


XercesElementWrapper::IndexType
XercesElementWrapper::getIndex() const
{
	return m_navigator.getIndex();
}


const XalanDOMString&
XercesElementWrapper::getTagName() const
{
	return m_navigator.getPooledString(m_xercesNode->getTagName());
}


const XalanDOMString&
XercesElementWrapper::getAttribute(const XalanDOMString&	name) const
{
	return m_navigator.getPooledString(m_xercesNode->getAttribute(c_wstr(name)));
}


XalanAttr*
XercesElementWrapper::getAttributeNode(const XalanDOMString&	name) const
{
#if defined(XALAN_OLD_STYLE_CASTS)
	return (XalanAttr*)m_attributes.getNamedItem(name);
#else
	return static_cast<XalanAttr*>(m_attributes.getNamedItem(name));
#endif
}


XalanNodeList*
XercesElementWrapper::getElementsByTagName(const XalanDOMString&	/* name */) const
{
	throw XercesDOMWrapperException(XercesDOMWrapperException::NOT_SUPPORTED_ERR);

	return 0;
}


void
XercesElementWrapper::setAttribute(
			const XalanDOMString&	/* name */,
			const XalanDOMString&	/* value */)
{
	throw XalanDOMException(XalanDOMException::NO_MODIFICATION_ALLOWED_ERR);
}


XalanAttr*
XercesElementWrapper::setAttributeNode(XalanAttr*	/* newAttr */)
{
	throw XalanDOMException(XalanDOMException::NO_MODIFICATION_ALLOWED_ERR);

	return 0;
}


XalanAttr*
XercesElementWrapper::removeAttributeNode(XalanAttr*	/* oldAttr */)
{
	throw XalanDOMException(XalanDOMException::NO_MODIFICATION_ALLOWED_ERR);

	return 0;
}


void
XercesElementWrapper::removeAttribute(const XalanDOMString&		/* name */)
{
	throw XalanDOMException(XalanDOMException::NO_MODIFICATION_ALLOWED_ERR);
}


const XalanDOMString&
XercesElementWrapper::getAttributeNS(
			const XalanDOMString&	namespaceURI,
			const XalanDOMString&	localName) const
{
	return m_navigator.getPooledString(m_xercesNode->getAttributeNS(c_wstr(namespaceURI), c_wstr(localName)));
}


void
XercesElementWrapper::setAttributeNS(
			const XalanDOMString&	/* namespaceURI */,
			const XalanDOMString&	/* qualifiedName */,
			const XalanDOMString&	/* value */)
{
	throw XalanDOMException(XalanDOMException::NO_MODIFICATION_ALLOWED_ERR);
}


void
XercesElementWrapper::removeAttributeNS(
			const XalanDOMString&	/* namespaceURI */,
			const XalanDOMString&	/* localName */)
{
	throw XalanDOMException(XalanDOMException::NO_MODIFICATION_ALLOWED_ERR);
}


XalanAttr*
XercesElementWrapper::getAttributeNodeNS(
			const XalanDOMString&	namespaceURI,
			const XalanDOMString&	localName) const
{
	DOMAttrType* const	theAttrNode =
		m_xercesNode->getAttributeNodeNS(c_wstr(namespaceURI), c_wstr(localName));

	if (theAttrNode == 0)
	{
		return 0;
	}
	else
	{
		return m_navigator.mapNode(theAttrNode);
	}
}


XalanAttr*
XercesElementWrapper::setAttributeNodeNS(XalanAttr*		/* newAttr */)
{
	throw XalanDOMException(XalanDOMException::NO_MODIFICATION_ALLOWED_ERR);

	return 0;
}


XalanNodeList*
XercesElementWrapper::getElementsByTagNameNS(
			const XalanDOMString&	/* namespaceURI */,
			const XalanDOMString&	/* localName */) const
{
	throw XercesDOMWrapperException(XercesDOMWrapperException::NOT_SUPPORTED_ERR);

	return 0;
}


XalanNode*
XercesElementWrapper::item(unsigned int		index) const
{
	assert(index < getLength());

	if (m_navigator.getOwnerDocument()->getMappingMode() == true)
	{
		assert(m_xercesNode->getChildNodes()->item(index));

		return m_navigator.mapNode(m_xercesNode->getChildNodes()->item(index));
	}
	else
	{
		XalanNode*	child = getFirstChild();
		assert(child != 0);

		for(unsigned int i = 0; i < index; ++i)
		{
			child = child->getNextSibling();
			assert(child != 0);
		}

		return child;
	}
}


unsigned int
XercesElementWrapper::getLength() const
{
	return m_xercesNode->getChildNodes()->getLength();
}


XALAN_CPP_NAMESPACE_END