/* -*- 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 TransforMiiX XSLT processor 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):
 *   Axel Hecht <axel@pike.org>
 *   Peter Van der Beken <peterv@propagandism.org>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either 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
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 * ***** END LICENSE BLOCK ***** */

#ifndef txStringUtils_h__
#define txStringUtils_h__

#include "nsAString.h"
#include "nsIAtom.h"

/**
 * Check equality between a string and an atom containing ASCII.
 */
inline PRBool
TX_StringEqualsAtom(const nsASingleFragmentString& aString, nsIAtom* aAtom)
{
    const char* ASCIIAtom;
    aAtom->GetUTF8String(&ASCIIAtom);

    return aString.EqualsASCII(ASCIIAtom);
}

#ifndef TX_EXE

#include "nsUnicharUtils.h"
typedef nsCaseInsensitiveStringComparator txCaseInsensitiveStringComparator;

#define TX_ToLowerCase ToLowerCase

#else

// These only work for ASCII ranges!

class txCaseInsensitiveStringComparator
: public nsStringComparator
{
public:
  virtual int operator()(const char_type*, const char_type*, PRUint32 aLength) const;
  virtual int operator()(char_type, char_type) const;
};

void TX_ToLowerCase(nsAString& aString);
void TX_ToLowerCase(const nsAString& aSource, nsAString& aDest);

#endif

inline already_AddRefed<nsIAtom>
TX_ToLowerCaseAtom(nsIAtom* aAtom)
{
  nsAutoString str;
  aAtom->ToString(str);
  TX_ToLowerCase(str);
  return do_GetAtom(str);
}

#endif // txStringUtils_h__
