michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef nsCollationMacUC_h_
michael@0: #define nsCollationMacUC_h_
michael@0: 
michael@0: #include "nsICollation.h"
michael@0: #include "nsCollation.h"
michael@0: #include "mozilla/Attributes.h"
michael@0: #include <Carbon/Carbon.h>
michael@0: 
michael@0: // Maximum number of characters for a buffer to remember 
michael@0: // the generated collation key.
michael@0: const uint32_t kCacheSize = 128;
michael@0: // According to the documentation, the length of the key should typically be
michael@0: // at least 5 * textLength, but 6* would be safer.
michael@0: const uint32_t kCollationValueSizeFactor = 6;
michael@0: 
michael@0: class nsCollationMacUC MOZ_FINAL : public nsICollation {
michael@0: 
michael@0: public: 
michael@0:   nsCollationMacUC();
michael@0:   ~nsCollationMacUC(); 
michael@0: 
michael@0:   // nsISupports interface
michael@0:   NS_DECL_ISUPPORTS
michael@0: 
michael@0:   // nsICollation interface
michael@0:   NS_DECL_NSICOLLATION
michael@0: 
michael@0: protected:
michael@0:   nsresult ConvertLocale(nsILocale* aNSLocale, LocaleRef* aMacLocale);
michael@0:   nsresult StrengthToOptions(const int32_t aStrength,
michael@0:                              UCCollateOptions* aOptions);
michael@0:   nsresult EnsureCollator(const int32_t newStrength);
michael@0: 
michael@0: private:
michael@0:   bool mInit;
michael@0:   bool mHasCollator;
michael@0:   LocaleRef mLocale;
michael@0:   int32_t mLastStrength;
michael@0:   CollatorRef mCollator;
michael@0:   void *mBuffer; // temporary buffer to generate collation keys
michael@0:   uint32_t mBufferLen; // byte length of buffer
michael@0: };
michael@0: 
michael@0: #endif  /* nsCollationMacUC_h_ */