The Tor Browser: intl/locale/src/mac/nsCollationMacUC.h@fc2d59ddac77

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     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/. */

     6 #ifndef nsCollationMacUC_h_

     7 #define nsCollationMacUC_h_

     9 #include "nsICollation.h"

    10 #include "nsCollation.h"

    11 #include "mozilla/Attributes.h"

    12 #include <Carbon/Carbon.h>

    14 // Maximum number of characters for a buffer to remember

    15 // the generated collation key.

    16 const uint32_t kCacheSize = 128;

    17 // According to the documentation, the length of the key should typically be

    18 // at least 5 * textLength, but 6* would be safer.

    19 const uint32_t kCollationValueSizeFactor = 6;

    21 class nsCollationMacUC MOZ_FINAL : public nsICollation {

    23 public:

    24   nsCollationMacUC();

    25   ~nsCollationMacUC();

    27   // nsISupports interface

    28   NS_DECL_ISUPPORTS

    30   // nsICollation interface

    31   NS_DECL_NSICOLLATION

    33 protected:

    34   nsresult ConvertLocale(nsILocale* aNSLocale, LocaleRef* aMacLocale);

    35   nsresult StrengthToOptions(const int32_t aStrength,

    36                              UCCollateOptions* aOptions);

    37   nsresult EnsureCollator(const int32_t newStrength);

    39 private:

    40   bool mInit;

    41   bool mHasCollator;

    42   LocaleRef mLocale;

    43   int32_t mLastStrength;

    44   CollatorRef mCollator;

    45   void *mBuffer; // temporary buffer to generate collation keys

    46   uint32_t mBufferLen; // byte length of buffer

    47 };

    49 #endif  /* nsCollationMacUC_h_ */

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