/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (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.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Mozilla Communicator client code.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 2002
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Jonas Sicking (original author)
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#ifndef nsIXMLProcessingInstruction_h___
#define nsIXMLProcessingInstruction_h___

#include "nsIDOMProcessingInstruction.h"
#include "nsIDocument.h"
#include "nsGenericDOMDataNode.h"
#include "nsAString.h"


class nsXMLProcessingInstruction : public nsGenericDOMDataNode,
                                   public nsIDOMProcessingInstruction
{
public:
  nsXMLProcessingInstruction(nsINodeInfo *aNodeInfo,
                             const nsAString& aTarget,
                             const nsAString& aData);
  virtual ~nsXMLProcessingInstruction();

  // nsISupports
  NS_DECL_ISUPPORTS_INHERITED

  // nsIDOMNode
  NS_IMPL_NSIDOMNODE_USING_GENERIC_DOM_DATA

  // nsIDOMProcessingInstruction
  NS_DECL_NSIDOMPROCESSINGINSTRUCTION

  // nsIContent
  virtual PRBool IsNodeOfType(PRUint32 aFlags) const;
  virtual PRBool MayHaveFrame() const;

#ifdef DEBUG
  virtual void List(FILE* out, PRInt32 aIndent) const;
  virtual void DumpContent(FILE* out, PRInt32 aIndent, PRBool aDumpAll) const;
#endif

protected:
  /**
   * This will parse the content of the PI, to extract the value of the pseudo
   * attribute with the name specified in aName. See
   * http://www.w3.org/TR/xml-stylesheet/#NT-StyleSheetPI for the specification
   * which is used to parse the content of the PI.
   *
   * @param aName the name of the attribute to get the value for
   * @param aValue [out] the value for the attribute with name specified in
   *                     aAttribute. Empty if the attribute isn't present.
   */
  PRBool GetAttrValue(nsIAtom *aName, nsAString& aValue);

  nsString mTarget;
};

#endif //nsIXMLProcessingInstruction_h___
