/*

 * Licensed to the Apache Software Foundation (ASF) under one or more

 * contributor license agreements.  See the NOTICE file distributed with

 * this work for additional information regarding copyright ownership.

 * The ASF licenses this file to You 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.

 */

/*

 * $Id: XUtil.cpp 471747 2006-11-06 14:31:56Z amassari $

 */

// ---------------------------------------------------------------------------

//  Includes

// ---------------------------------------------------------------------------

#include <xercesc/validators/schema/XUtil.hpp>

#include <xercesc/util/XMLString.hpp>

#include <xercesc/framework/XMLBuffer.hpp>

#include <xercesc/util/IllegalArgumentException.hpp>

#include <xercesc/dom/DOMElement.hpp>

#include <xercesc/dom/DOMDocument.hpp>

#include <xercesc/dom/DOMNamedNodeMap.hpp>

#include <xercesc/dom/DOMNode.hpp>

XERCES_CPP_NAMESPACE_BEGIN

// Finds and returns the first child element node.

DOMElement* XUtil::getFirstChildElement(const DOMNode* const parent)

{

    // search for node

    DOMNode* child = parent->getFirstChild();

    while (child != 0)

  {

        if (child->getNodeType() == DOMNode::ELEMENT_NODE)

            return (DOMElement*)child;

        child = child->getNextSibling();

    }

    // not found

    return 0;

}

// Finds and returns the first child node with the given name.

DOMElement* XUtil::getFirstChildElementNS(const DOMNode* const parent

                                          , const XMLCh** const elemNames

                                          , const XMLCh* const uriStr

                                          , unsigned int        length)

{

    // search for node

    DOMNode* child = parent->getFirstChild();

    while (child != 0)

  {

        if (child->getNodeType() == DOMNode::ELEMENT_NODE)

    {

            for (unsigned int i = 0; i < length; i++)

      {

                if (XMLString::equals(child->getNamespaceURI(), uriStr) &&

                    XMLString::equals(child->getLocalName(), elemNames[i]))

                    return (DOMElement*)child;

      }

    }

        child = child->getNextSibling();

    }

    // not found

    return 0;

}

// Finds and returns the last child element node.

DOMElement* XUtil::getNextSiblingElement(const DOMNode* const node)

{

    // search for node

    DOMNode* sibling = node->getNextSibling();

    while (sibling != 0)

  {

        if (sibling->getNodeType() == DOMNode::ELEMENT_NODE)

            return (DOMElement*)sibling;

        sibling = sibling->getNextSibling();

    }

    // not found

    return 0;

}

// Finds and returns the next sibling element node with the give name.

DOMElement* XUtil::getNextSiblingElementNS(const DOMNode* const node

                                           , const XMLCh** const elemNames

                                           , const XMLCh* const uriStr

                         , unsigned int        length)

{

    // search for node

    DOMNode* sibling = node->getNextSibling();

    while (sibling != 0)

  {

        if (sibling->getNodeType() == DOMNode::ELEMENT_NODE)

    {

            for (unsigned int i = 0; i < length; i++)

      {

                if (XMLString::equals(sibling->getNamespaceURI(), uriStr) &&

                    XMLString::equals(sibling->getLocalName(), elemNames[i]))

                    return (DOMElement*)sibling;

      }

    }

        sibling = sibling->getNextSibling();

    }

    // not found

    return 0;

}

XERCES_CPP_NAMESPACE_END