/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 *
 * The contents of this file are subject to the Netscape 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/NPL/
 *
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express oqr
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 *
 * The Original Code is Mozilla Communicator client code, released
 * March 31, 1998.
 *
 * The Initial Developer of the Original Code is Netscape
 * Communications Corporation.  Portions created by Netscape are
 * Copyright (C) 1998 Netscape Communications Corporation. All
 * Rights Reserved.
 *
 * Contributor(s): 
 *
 * Alternatively, the contents of this file may be used under the
 * terms of the GNU Public License (the "GPL"), in which case the
 * provisions of the GPL are applicable instead of those above.
 * If you wish to allow use of your version of this file only
 * under the terms of the GPL and not to allow others to use your
 * version of this file under the NPL, indicate your decision by
 * deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL.  If you do not delete
 * the provisions above, a recipient may use your version of this
 * file under either the NPL or the GPL.
 */

/* A namespace class for static layout utilities. */

#ifndef nsContentUtils_h___
#define nsContentUtils_h___

#include "nslayout.h"
#include "jspubtd.h"
#include "nsAReadableString.h"

class nsIScriptContext;
class nsIScriptGlobalObject;

class nsContentUtils
{
public:

  // These are copied from nsJSUtils.h

  static nsresult GetStaticScriptGlobal(JSContext* aContext,
                                        JSObject* aObj,
                                        nsIScriptGlobalObject** aNativeGlobal);

  static nsresult GetStaticScriptContext(JSContext* aContext,
                                         JSObject* aObj,
                                         nsIScriptContext** aScriptContext);

  static nsresult GetDynamicScriptGlobal(JSContext *aContext,
                                         nsIScriptGlobalObject** aNativeGlobal);

  static nsresult GetDynamicScriptContext(JSContext *aContext,
                                          nsIScriptContext** aScriptContext);

  static PRUint32 CopyNewlineNormalizedUnicodeTo(const nsAReadableString& aSource, 
                                                 PRUint32 aSrcOffset, 
                                                 PRUnichar* aDest, 
                                                 PRUint32 aLength);

  static PRUint32 CopyNewlineNormalizedUnicodeTo(nsReadingIterator<PRUnichar>& aSrcStart, const nsReadingIterator<PRUnichar>& aSrcEnd, nsAWritableString& aDest);
};

#endif /* nsContentUtils_h___ */