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 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

 /* This Source Code Form is subject to the terms of the Mozilla Public

  * License, v. 2.0. If a copy of the MPL was not distributed with this

  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

 #ifndef nsUnicodeNormalizer_h__

 #define nsUnicodeNormalizer_h__

 #include "nscore.h"

 #include "nsISupports.h"

 #include "nsIUnicodeNormalizer.h"

 nsresult NS_NewUnicodeNormalizer(nsISupports** oResult);

 class nsUnicodeNormalizer : public nsIUnicodeNormalizer {

 public:

    nsUnicodeNormalizer();

    virtual ~nsUnicodeNormalizer();

    NS_DECL_ISUPPORTS 

    NS_IMETHOD NormalizeUnicodeNFD( const nsAString& aSrc, nsAString& aDest);

    NS_IMETHOD NormalizeUnicodeNFC( const nsAString& aSrc, nsAString& aDest);

    NS_IMETHOD NormalizeUnicodeNFKD( const nsAString& aSrc, nsAString& aDest);

    NS_IMETHOD NormalizeUnicodeNFKC( const nsAString& aSrc, nsAString& aDest);

    // low-level access to the composition data needed for HarfBuzz callbacks

    static bool Compose(uint32_t a, uint32_t b, uint32_t *ab);

    static bool DecomposeNonRecursively(uint32_t comp, uint32_t *c1, uint32_t *c2);

 };

 #endif //nsUnicodeNormalizer_h__