/*
 * The Apache Software License, Version 1.1
 * 
 * Copyright (c) 1999-2000 The Apache Software Foundation.  All rights
 * reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer. 
 * 
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 * 
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:  
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 * 
 * 4. The names "Xerces" and "Apache Software Foundation" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written 
 *    permission, please contact apache\@apache.org.
 * 
 * 5. Products derived from this software may not be called "Apache",
 *    nor may "Apache" appear in their name, without prior written
 *    permission of the Apache Software Foundation.
 * 
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 * 
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation, and was
 * originally based on software copyright (c) 1999, International
 * Business Machines, Inc., http://www.ibm.com .  For more information
 * on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */

/*
 * $Id$
 */

#include "ProcessingInstructionImpl.hpp"
#include "DocumentImpl.hpp"
#include "NodeImpl.hpp"
#include "DOM_DOMException.hpp"
#include "DOM_Node.hpp"

ProcessingInstructionImpl::ProcessingInstructionImpl(DocumentImpl *ownerDoc,
                                                     const DOMString &targt,
                                                     const DOMString &dat)
    : ChildNode(ownerDoc)
{
    this->target = targt.clone();
    this->data = dat.clone();
};


ProcessingInstructionImpl::ProcessingInstructionImpl(
                                        const ProcessingInstructionImpl &other,
                                        bool deep)
    : ChildNode(other)
{
    target = other.target.clone();
    data = other.data.clone();
};


ProcessingInstructionImpl::~ProcessingInstructionImpl()
{
};


NodeImpl *ProcessingInstructionImpl::cloneNode(bool deep)
{
    return new ProcessingInstructionImpl(*this, deep);
};


DOMString ProcessingInstructionImpl::getNodeName()
{
    return target;
};


short ProcessingInstructionImpl::getNodeType() {
    return DOM_Node::PROCESSING_INSTRUCTION_NODE;
};


DOMString ProcessingInstructionImpl::getNodeValue()
{
    return data.clone();
};


void ProcessingInstructionImpl::setNodeValue(const DOMString &value)
{
    if (isReadOnly())
        throw DOM_DOMException(DOM_DOMException::NO_MODIFICATION_ALLOWED_ERR,
                               null);
    data = value.clone();
};


DOMString ProcessingInstructionImpl::getData()
{
    return data.clone();
};


/** A PI's "target" states what processor channel the PI's data
should be directed to. It is defined differently in HTML and XML.

  In XML, a PI's "target" is the first (whitespace-delimited) token
  following the "<?" token that begins the PI.
  
    In HTML, target is always null.
    
      Note that getNodeName is aliased to getTarget.
*/
DOMString ProcessingInstructionImpl::getTarget()
{
    return target.clone();
};


/** 
* Change the data content of this PI. 
* Note that setNodeValue is aliased to setData 
* @see getData().
* @throws DOMException(NO_MODIFICATION_ALLOWED_ERR) if node is read-only.
*/
void ProcessingInstructionImpl::setData(const DOMString &arg)
{
    if (isReadOnly())
        throw DOM_DOMException(DOM_DOMException::NO_MODIFICATION_ALLOWED_ERR,
                               null);
    data = arg.clone();
};