intl/unicharutil/nsUnicodeNormalizer.h

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef nsUnicodeNormalizer_h__
   7 #define nsUnicodeNormalizer_h__
   8
   9 #include "nscore.h"
  10 #include "nsISupports.h"
  11
  12 #include "nsIUnicodeNormalizer.h"
  13
  14 nsresult NS_NewUnicodeNormalizer(nsISupports** oResult);
  15
  16
  17 class nsUnicodeNormalizer : public nsIUnicodeNormalizer {
  18 public:
  19    nsUnicodeNormalizer();
  20
  21    NS_DECL_ISUPPORTS
  22
  23    NS_IMETHOD NormalizeUnicodeNFD( const nsAString& aSrc, nsAString& aDest) override;
  24    NS_IMETHOD NormalizeUnicodeNFC( const nsAString& aSrc, nsAString& aDest) override;
  25    NS_IMETHOD NormalizeUnicodeNFKD( const nsAString& aSrc, nsAString& aDest) override;
  26    NS_IMETHOD NormalizeUnicodeNFKC( const nsAString& aSrc, nsAString& aDest) override;
  27
  28    // low-level access to the composition data needed for HarfBuzz callbacks
  29    static bool Compose(uint32_t a, uint32_t b, uint32_t *ab);
  30    static bool DecomposeNonRecursively(uint32_t comp, uint32_t *c1, uint32_t *c2);
  31
  32 private:
  33    virtual ~nsUnicodeNormalizer();
  34 };
  35
  36 #endif //nsUnicodeNormalizer_h__
  37