зеркало из https://github.com/mozilla/gecko-dev.git
381 строка
11 KiB
C++
381 строка
11 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsCollationMacUC.h"
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#include "nsILocaleService.h"
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#include "nsIPrefBranch.h"
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#include "nsIPrefService.h"
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#include "nsIServiceManager.h"
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#include "prmem.h"
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#include "nsString.h"
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NS_IMPL_ISUPPORTS(nsCollationMacUC, nsICollation)
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nsCollationMacUC::nsCollationMacUC()
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: mInit(false)
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, mHasCollator(false)
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, mLocaleICU(nullptr)
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, mLocale(nullptr)
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, mLastStrength(-1)
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, mCollatorICU(nullptr)
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, mCollator(nullptr)
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, mBuffer(nullptr)
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, mBufferLen(1)
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, mUseICU(true)
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{
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nsCOMPtr<nsIPrefBranch> prefs = do_GetService(NS_PREFSERVICE_CONTRACTID);
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if (prefs) {
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prefs->GetBoolPref("intl.collation.mac.use_icu", &mUseICU);
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}
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}
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nsCollationMacUC::~nsCollationMacUC()
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{
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#ifdef DEBUG
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nsresult res =
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#endif
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CleanUpCollator();
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NS_ASSERTION(NS_SUCCEEDED(res), "CleanUpCollator failed");
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if (mUseICU) {
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if (mLocaleICU) {
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free(mLocaleICU);
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mLocaleICU = nullptr;
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}
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} else {
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if (mBuffer) {
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free(mBuffer);
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mBuffer = nullptr;
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}
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}
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}
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nsresult nsCollationMacUC::ConvertStrength(const int32_t aNSStrength,
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UCollationStrength* aICUStrength,
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UColAttributeValue* aCaseLevelOut)
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{
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NS_ENSURE_ARG_POINTER(aICUStrength);
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NS_ENSURE_TRUE((aNSStrength < 4), NS_ERROR_FAILURE);
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UCollationStrength strength = UCOL_DEFAULT;
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UColAttributeValue caseLevel = UCOL_OFF;
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switch (aNSStrength) {
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case kCollationCaseInSensitive:
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strength = UCOL_PRIMARY;
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break;
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case kCollationCaseInsensitiveAscii:
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strength = UCOL_SECONDARY;
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break;
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case kCollationAccentInsenstive:
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caseLevel = UCOL_ON;
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strength = UCOL_PRIMARY;
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break;
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case kCollationCaseSensitive:
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strength = UCOL_TERTIARY;
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break;
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default:
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NS_WARNING("Bad aNSStrength passed to ConvertStrength.");
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return NS_ERROR_FAILURE;
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}
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*aICUStrength = strength;
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*aCaseLevelOut = caseLevel;
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return NS_OK;
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}
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nsresult nsCollationMacUC::StrengthToOptions(const int32_t aStrength,
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UCCollateOptions* aOptions)
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{
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NS_ENSURE_ARG_POINTER(aOptions);
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NS_ENSURE_TRUE((aStrength < 4), NS_ERROR_FAILURE);
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// set our default collation options
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UCCollateOptions options = kUCCollateStandardOptions | kUCCollatePunctuationSignificantMask;
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if (aStrength & kCollationCaseInsensitiveAscii)
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options |= kUCCollateCaseInsensitiveMask;
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if (aStrength & kCollationAccentInsenstive)
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options |= kUCCollateDiacritInsensitiveMask;
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*aOptions = options;
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return NS_OK;
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}
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nsresult nsCollationMacUC::ConvertLocaleICU(nsILocale* aNSLocale, char** aICULocale)
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{
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NS_ENSURE_ARG_POINTER(aNSLocale);
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NS_ENSURE_ARG_POINTER(aICULocale);
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nsAutoString localeString;
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nsresult res = aNSLocale->GetCategory(NS_LITERAL_STRING("NSILOCALE_COLLATE"), localeString);
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NS_ENSURE_TRUE(NS_SUCCEEDED(res) && !localeString.IsEmpty(),
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NS_ERROR_FAILURE);
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NS_LossyConvertUTF16toASCII tmp(localeString);
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tmp.ReplaceChar('-', '_');
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char* locale = (char*)malloc(tmp.Length() + 1);
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if (!locale) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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strcpy(locale, tmp.get());
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*aICULocale = locale;
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return NS_OK;
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}
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nsresult nsCollationMacUC::ConvertLocale(nsILocale* aNSLocale, LocaleRef* aMacLocale)
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{
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NS_ENSURE_ARG_POINTER(aNSLocale);
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NS_ENSURE_ARG_POINTER(aMacLocale);
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nsAutoString localeString;
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nsresult res = aNSLocale->GetCategory(NS_LITERAL_STRING("NSILOCALE_COLLATE"), localeString);
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NS_ENSURE_TRUE(NS_SUCCEEDED(res) && !localeString.IsEmpty(),
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NS_ERROR_FAILURE);
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NS_LossyConvertUTF16toASCII tmp(localeString);
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tmp.ReplaceChar('-', '_');
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OSStatus err;
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err = ::LocaleRefFromLocaleString(tmp.get(), aMacLocale);
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NS_ENSURE_TRUE((err == noErr), NS_ERROR_FAILURE);
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return NS_OK;
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}
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nsresult nsCollationMacUC::EnsureCollator(const int32_t newStrength)
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{
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NS_ENSURE_TRUE(mInit, NS_ERROR_NOT_INITIALIZED);
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if (mHasCollator && (mLastStrength == newStrength))
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return NS_OK;
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nsresult res;
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res = CleanUpCollator();
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NS_ENSURE_SUCCESS(res, res);
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if (mUseICU) {
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NS_ENSURE_TRUE(mLocaleICU, NS_ERROR_NOT_INITIALIZED);
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UErrorCode status;
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status = U_ZERO_ERROR;
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mCollatorICU = ucol_open(mLocaleICU, &status);
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NS_ENSURE_TRUE(U_SUCCESS(status), NS_ERROR_FAILURE);
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UCollationStrength strength;
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UColAttributeValue caseLevel;
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res = ConvertStrength(newStrength, &strength, &caseLevel);
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NS_ENSURE_SUCCESS(res, res);
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status = U_ZERO_ERROR;
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ucol_setAttribute(mCollatorICU, UCOL_STRENGTH, strength, &status);
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NS_ENSURE_TRUE(U_SUCCESS(status), NS_ERROR_FAILURE);
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ucol_setAttribute(mCollatorICU, UCOL_CASE_LEVEL, caseLevel, &status);
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NS_ENSURE_TRUE(U_SUCCESS(status), NS_ERROR_FAILURE);
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ucol_setAttribute(mCollatorICU, UCOL_ALTERNATE_HANDLING, UCOL_DEFAULT, &status);
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NS_ENSURE_TRUE(U_SUCCESS(status), NS_ERROR_FAILURE);
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ucol_setAttribute(mCollatorICU, UCOL_NUMERIC_COLLATION, UCOL_OFF, &status);
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NS_ENSURE_TRUE(U_SUCCESS(status), NS_ERROR_FAILURE);
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ucol_setAttribute(mCollatorICU, UCOL_NORMALIZATION_MODE, UCOL_ON, &status);
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NS_ENSURE_TRUE(U_SUCCESS(status), NS_ERROR_FAILURE);
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ucol_setAttribute(mCollatorICU, UCOL_CASE_FIRST, UCOL_DEFAULT, &status);
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NS_ENSURE_TRUE(U_SUCCESS(status), NS_ERROR_FAILURE);
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} else {
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OSStatus err;
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UCCollateOptions newOptions;
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res = StrengthToOptions(newStrength, &newOptions);
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NS_ENSURE_SUCCESS(res, res);
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LocaleOperationVariant opVariant = 0; // default variant for now
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err = ::UCCreateCollator(mLocale, opVariant, newOptions, &mCollator);
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NS_ENSURE_TRUE((err == noErr), NS_ERROR_FAILURE);
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}
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mHasCollator = true;
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mLastStrength = newStrength;
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return NS_OK;
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}
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nsresult nsCollationMacUC::CleanUpCollator(void)
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{
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if (mHasCollator) {
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if (mUseICU) {
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ucol_close(mCollatorICU);
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mHasCollator = false;
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} else {
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OSStatus err = ::UCDisposeCollator(&mCollator);
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mHasCollator = false;
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NS_ENSURE_TRUE((err == noErr), NS_ERROR_FAILURE);
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}
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}
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return NS_OK;
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}
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NS_IMETHODIMP nsCollationMacUC::Initialize(nsILocale* locale)
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{
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NS_ENSURE_TRUE((!mInit), NS_ERROR_ALREADY_INITIALIZED);
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nsCOMPtr<nsILocale> appLocale;
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nsresult rv;
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if (!locale) {
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nsCOMPtr<nsILocaleService> localeService = do_GetService(NS_LOCALESERVICE_CONTRACTID, &rv);
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NS_ENSURE_SUCCESS(rv, rv);
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rv = localeService->GetApplicationLocale(getter_AddRefs(appLocale));
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NS_ENSURE_SUCCESS(rv, rv);
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locale = appLocale;
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}
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if (mUseICU) {
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rv = ConvertLocaleICU(locale, &mLocaleICU);
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} else {
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rv = ConvertLocale(locale, &mLocale);
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}
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NS_ENSURE_SUCCESS(rv, rv);
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mInit = true;
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return NS_OK;
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}
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NS_IMETHODIMP nsCollationMacUC::AllocateRawSortKey(int32_t strength, const nsAString& stringIn,
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uint8_t** key, uint32_t* outLen)
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{
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NS_ENSURE_TRUE(mInit, NS_ERROR_NOT_INITIALIZED);
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NS_ENSURE_ARG_POINTER(key);
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NS_ENSURE_ARG_POINTER(outLen);
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nsresult res = EnsureCollator(strength);
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NS_ENSURE_SUCCESS(res, res);
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uint32_t stringInLen = stringIn.Length();
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if (mUseICU) {
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const UChar* str = (const UChar*)PromiseFlatString(stringIn).get();
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int32_t keyLength = ucol_getSortKey(mCollatorICU, str, stringInLen, nullptr, 0);
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NS_ENSURE_TRUE((stringInLen == 0 || keyLength > 0), NS_ERROR_FAILURE);
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// Since key is freed elsewhere with PR_Free, allocate with PR_Malloc.
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uint8_t* newKey = (uint8_t*)PR_Malloc(keyLength + 1);
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if (!newKey) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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keyLength = ucol_getSortKey(mCollatorICU, str, stringInLen, newKey, keyLength + 1);
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NS_ENSURE_TRUE((stringInLen == 0 || keyLength > 0), NS_ERROR_FAILURE);
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*key = newKey;
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*outLen = keyLength;
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return NS_OK;
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}
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uint32_t maxKeyLen = (1 + stringInLen) * kCollationValueSizeFactor * sizeof(UCCollationValue);
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if (maxKeyLen > mBufferLen) {
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uint32_t newBufferLen = mBufferLen;
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do {
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newBufferLen *= 2;
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} while (newBufferLen < maxKeyLen);
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void* newBuffer = malloc(newBufferLen);
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if (!newBuffer) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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if (mBuffer) {
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free(mBuffer);
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mBuffer = nullptr;
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}
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mBuffer = newBuffer;
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mBufferLen = newBufferLen;
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}
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ItemCount actual;
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OSStatus err = ::UCGetCollationKey(mCollator, (const UniChar*) PromiseFlatString(stringIn).get(),
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(UniCharCount) stringInLen,
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(ItemCount) (mBufferLen / sizeof(UCCollationValue)),
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&actual, (UCCollationValue *)mBuffer);
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NS_ENSURE_TRUE((err == noErr), NS_ERROR_FAILURE);
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uint32_t keyLength = actual * sizeof(UCCollationValue);
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// Since key is freed elsewhere with PR_Free, allocate with PR_Malloc.
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void* newKey = PR_Malloc(keyLength);
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if (!newKey) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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memcpy(newKey, mBuffer, keyLength);
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*key = (uint8_t *)newKey;
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*outLen = keyLength;
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return NS_OK;
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}
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NS_IMETHODIMP nsCollationMacUC::CompareString(int32_t strength, const nsAString& string1,
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const nsAString& string2, int32_t* result)
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{
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NS_ENSURE_TRUE(mInit, NS_ERROR_NOT_INITIALIZED);
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NS_ENSURE_ARG_POINTER(result);
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*result = 0;
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nsresult res = EnsureCollator(strength);
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NS_ENSURE_SUCCESS(res, res);
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if (mUseICU) {
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UCollationResult uresult;
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uresult = ucol_strcoll(mCollatorICU,
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(const UChar*)PromiseFlatString(string1).get(), string1.Length(),
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(const UChar*)PromiseFlatString(string2).get(), string2.Length());
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int32_t res;
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switch (uresult) {
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case UCOL_LESS: res = -1; break;
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case UCOL_EQUAL: res = 0; break;
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case UCOL_GREATER: res = 1; break;
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default: MOZ_CRASH("ucol_strcoll returned bad UCollationResult");
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}
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*result = res;
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return NS_OK;
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}
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*result = 0;
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OSStatus err;
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err = ::UCCompareText(mCollator,
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(const UniChar *) PromiseFlatString(string1).get(), (UniCharCount) string1.Length(),
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(const UniChar *) PromiseFlatString(string2).get(), (UniCharCount) string2.Length(),
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nullptr, (SInt32*) result);
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NS_ENSURE_TRUE((err == noErr), NS_ERROR_FAILURE);
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return NS_OK;
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}
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NS_IMETHODIMP nsCollationMacUC::CompareRawSortKey(const uint8_t* key1, uint32_t len1,
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const uint8_t* key2, uint32_t len2,
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int32_t* result)
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{
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NS_ENSURE_TRUE(mInit, NS_ERROR_NOT_INITIALIZED);
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NS_ENSURE_ARG_POINTER(key1);
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NS_ENSURE_ARG_POINTER(key2);
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NS_ENSURE_ARG_POINTER(result);
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*result = 0;
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if (mUseICU) {
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int32_t tmpResult = strcmp((const char*)key1, (const char*)key2);
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int32_t res;
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if (tmpResult < 0) {
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res = -1;
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} else if (tmpResult > 0) {
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res = 1;
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} else {
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res = 0;
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}
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*result = res;
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return NS_OK;
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}
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OSStatus err;
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err = ::UCCompareCollationKeys((const UCCollationValue*) key1, (ItemCount) len1,
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(const UCCollationValue*) key2, (ItemCount) len2,
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nullptr, (SInt32*) result);
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NS_ENSURE_TRUE((err == noErr), NS_ERROR_FAILURE);
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return NS_OK;
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}
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