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 #if !ENABLE_INTL_API
29    // Low-level access to the composition data needed for HarfBuzz callbacks;
30    // only required when ICU is not available in the build.
31    static bool Compose(uint32_t a, uint32_t b, uint32_t *ab);
32    static bool DecomposeNonRecursively(uint32_t comp, uint32_t *c1, uint32_t *c2);
33 #endif
34 
35 private:
36    virtual ~nsUnicodeNormalizer();
37 };
38 
39 #endif //nsUnicodeNormalizer_h__
40 
41