gecko/intl/locale/mac/nsCollationMacUC.h

61 lines
1.8 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 nsCollationMacUC_h_
#define nsCollationMacUC_h_
#include "nsICollation.h"
#include "nsCollation.h"
#include "mozilla/Attributes.h"
#include "unicode/ucol.h"
#include <Carbon/Carbon.h>
// Maximum number of characters for a buffer to remember
// the generated collation key.
const uint32_t kCacheSize = 128;
// According to the documentation, the length of the key should typically be
// at least 5 * textLength, but 6* would be safer.
const uint32_t kCollationValueSizeFactor = 6;
class nsCollationMacUC MOZ_FINAL : public nsICollation {
public:
nsCollationMacUC();
// nsISupports interface
NS_DECL_ISUPPORTS
// nsICollation interface
NS_DECL_NSICOLLATION
protected:
~nsCollationMacUC();
nsresult ConvertLocaleICU(nsILocale* aNSLocale, char** aICULocale);
nsresult ConvertLocale(nsILocale* aNSLocale, LocaleRef* aMacLocale);
nsresult ConvertStrength(const int32_t aStrength,
UCollationStrength* aStrengthOut,
UColAttributeValue* aCaseLevelOut);
nsresult StrengthToOptions(const int32_t aStrength,
UCCollateOptions* aOptions);
nsresult EnsureCollator(const int32_t newStrength);
nsresult CleanUpCollator(void);
private:
bool mInit;
bool mHasCollator;
char* mLocaleICU;
LocaleRef mLocale;
int32_t mLastStrength;
UCollator* mCollatorICU;
CollatorRef mCollator;
void *mBuffer; // temporary buffer to generate collation keys
uint32_t mBufferLen; // byte length of buffer
bool mUseICU;
};
#endif /* nsCollationMacUC_h_ */