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/* -*- 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/. */
#include "nsCollationMacUC.h"
#include "nsILocaleService.h"
#include "nsIPrefBranch.h"
#include "nsIPrefService.h"
#include "nsIServiceManager.h"
#include "prmem.h"
#include "nsString.h"
NS_IMPL_ISUPPORTS(nsCollationMacUC, nsICollation)
nsCollationMacUC::nsCollationMacUC()
: mInit(false)
, mHasCollator(false)
, mLocaleICU(nullptr)
, mLastStrength(-1)
, mCollatorICU(nullptr)
{ }
nsCollationMacUC::~nsCollationMacUC()
{
#ifdef DEBUG
nsresult res =
#endif
CleanUpCollator();
NS_ASSERTION(NS_SUCCEEDED(res), "CleanUpCollator failed");
if (mLocaleICU) {
free(mLocaleICU);
mLocaleICU = nullptr;
}
}
nsresult nsCollationMacUC::ConvertStrength(const int32_t aNSStrength,
UCollationStrength* aICUStrength,
UColAttributeValue* aCaseLevelOut)
{
NS_ENSURE_ARG_POINTER(aICUStrength);
NS_ENSURE_TRUE((aNSStrength < 4), NS_ERROR_FAILURE);
UCollationStrength strength = UCOL_DEFAULT;
UColAttributeValue caseLevel = UCOL_OFF;
switch (aNSStrength) {
case kCollationCaseInSensitive:
strength = UCOL_PRIMARY;
break;
case kCollationCaseInsensitiveAscii:
strength = UCOL_SECONDARY;
break;
case kCollationAccentInsenstive:
caseLevel = UCOL_ON;
strength = UCOL_PRIMARY;
break;
case kCollationCaseSensitive:
strength = UCOL_TERTIARY;
break;
default:
NS_WARNING("Bad aNSStrength passed to ConvertStrength.");
return NS_ERROR_FAILURE;
}
*aICUStrength = strength;
*aCaseLevelOut = caseLevel;
return NS_OK;
}
nsresult nsCollationMacUC::ConvertLocaleICU(nsILocale* aNSLocale, char** aICULocale)
{
NS_ENSURE_ARG_POINTER(aNSLocale);
NS_ENSURE_ARG_POINTER(aICULocale);
nsAutoString localeString;
nsresult res = aNSLocale->GetCategory(NS_LITERAL_STRING("NSILOCALE_COLLATE"), localeString);
NS_ENSURE_TRUE(NS_SUCCEEDED(res) && !localeString.IsEmpty(),
NS_ERROR_FAILURE);
NS_LossyConvertUTF16toASCII tmp(localeString);
tmp.ReplaceChar('-', '_');
char* locale = (char*)malloc(tmp.Length() + 1);
if (!locale) {
return NS_ERROR_OUT_OF_MEMORY;
}
strcpy(locale, tmp.get());
*aICULocale = locale;
return NS_OK;
}
nsresult nsCollationMacUC::EnsureCollator(const int32_t newStrength)
{
NS_ENSURE_TRUE(mInit, NS_ERROR_NOT_INITIALIZED);
if (mHasCollator && (mLastStrength == newStrength))
return NS_OK;
nsresult res;
res = CleanUpCollator();
NS_ENSURE_SUCCESS(res, res);
NS_ENSURE_TRUE(mLocaleICU, NS_ERROR_NOT_INITIALIZED);
UErrorCode status;
status = U_ZERO_ERROR;
mCollatorICU = ucol_open(mLocaleICU, &status);
NS_ENSURE_TRUE(U_SUCCESS(status), NS_ERROR_FAILURE);
UCollationStrength strength;
UColAttributeValue caseLevel;
res = ConvertStrength(newStrength, &strength, &caseLevel);
NS_ENSURE_SUCCESS(res, res);
status = U_ZERO_ERROR;
ucol_setAttribute(mCollatorICU, UCOL_STRENGTH, strength, &status);
NS_ENSURE_TRUE(U_SUCCESS(status), NS_ERROR_FAILURE);
ucol_setAttribute(mCollatorICU, UCOL_CASE_LEVEL, caseLevel, &status);
NS_ENSURE_TRUE(U_SUCCESS(status), NS_ERROR_FAILURE);
ucol_setAttribute(mCollatorICU, UCOL_ALTERNATE_HANDLING, UCOL_DEFAULT, &status);
NS_ENSURE_TRUE(U_SUCCESS(status), NS_ERROR_FAILURE);
ucol_setAttribute(mCollatorICU, UCOL_NUMERIC_COLLATION, UCOL_OFF, &status);
NS_ENSURE_TRUE(U_SUCCESS(status), NS_ERROR_FAILURE);
ucol_setAttribute(mCollatorICU, UCOL_NORMALIZATION_MODE, UCOL_ON, &status);
NS_ENSURE_TRUE(U_SUCCESS(status), NS_ERROR_FAILURE);
ucol_setAttribute(mCollatorICU, UCOL_CASE_FIRST, UCOL_DEFAULT, &status);
NS_ENSURE_TRUE(U_SUCCESS(status), NS_ERROR_FAILURE);
mHasCollator = true;
mLastStrength = newStrength;
return NS_OK;
}
nsresult nsCollationMacUC::CleanUpCollator(void)
{
if (mHasCollator) {
ucol_close(mCollatorICU);
mHasCollator = false;
}
return NS_OK;
}
NS_IMETHODIMP nsCollationMacUC::Initialize(nsILocale* locale)
{
NS_ENSURE_TRUE((!mInit), NS_ERROR_ALREADY_INITIALIZED);
nsCOMPtr<nsILocale> appLocale;
nsresult rv;
if (!locale) {
nsCOMPtr<nsILocaleService> localeService = do_GetService(NS_LOCALESERVICE_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
rv = localeService->GetApplicationLocale(getter_AddRefs(appLocale));
NS_ENSURE_SUCCESS(rv, rv);
locale = appLocale;
}
rv = ConvertLocaleICU(locale, &mLocaleICU);
NS_ENSURE_SUCCESS(rv, rv);
mInit = true;
return NS_OK;
}
NS_IMETHODIMP nsCollationMacUC::AllocateRawSortKey(int32_t strength, const nsAString& stringIn,
uint8_t** key, uint32_t* outLen)
{
NS_ENSURE_TRUE(mInit, NS_ERROR_NOT_INITIALIZED);
NS_ENSURE_ARG_POINTER(key);
NS_ENSURE_ARG_POINTER(outLen);
nsresult res = EnsureCollator(strength);
NS_ENSURE_SUCCESS(res, res);
uint32_t stringInLen = stringIn.Length();
const UChar* str = (const UChar*)stringIn.BeginReading();
int32_t keyLength = ucol_getSortKey(mCollatorICU, str, stringInLen, nullptr, 0);
NS_ENSURE_TRUE((stringInLen == 0 || keyLength > 0), NS_ERROR_FAILURE);
// Since key is freed elsewhere with PR_Free, allocate with PR_Malloc.
uint8_t* newKey = (uint8_t*)PR_Malloc(keyLength + 1);
if (!newKey) {
return NS_ERROR_OUT_OF_MEMORY;
}
keyLength = ucol_getSortKey(mCollatorICU, str, stringInLen, newKey, keyLength + 1);
NS_ENSURE_TRUE((stringInLen == 0 || keyLength > 0), NS_ERROR_FAILURE);
*key = newKey;
*outLen = keyLength;
return NS_OK;
}
NS_IMETHODIMP nsCollationMacUC::CompareString(int32_t strength, const nsAString& string1,
const nsAString& string2, int32_t* result)
{
NS_ENSURE_TRUE(mInit, NS_ERROR_NOT_INITIALIZED);
NS_ENSURE_ARG_POINTER(result);
*result = 0;
nsresult rv = EnsureCollator(strength);
NS_ENSURE_SUCCESS(rv, rv);
UCollationResult uresult;
uresult = ucol_strcoll(mCollatorICU,
(const UChar*)string1.BeginReading(),
string1.Length(),
(const UChar*)string2.BeginReading(),
string2.Length());
int32_t res;
switch (uresult) {
case UCOL_LESS:
res = -1;
break;
case UCOL_EQUAL:
res = 0;
break;
case UCOL_GREATER:
res = 1;
break;
default:
MOZ_CRASH("ucol_strcoll returned bad UCollationResult");
}
*result = res;
return NS_OK;
}
NS_IMETHODIMP nsCollationMacUC::CompareRawSortKey(const uint8_t* key1, uint32_t len1,
const uint8_t* key2, uint32_t len2,
int32_t* result)
{
NS_ENSURE_TRUE(mInit, NS_ERROR_NOT_INITIALIZED);
NS_ENSURE_ARG_POINTER(key1);
NS_ENSURE_ARG_POINTER(key2);
NS_ENSURE_ARG_POINTER(result);
*result = 0;
int32_t tmpResult = strcmp((const char*)key1, (const char*)key2);
int32_t res;
if (tmpResult < 0) {
res = -1;
} else if (tmpResult > 0) {
res = 1;
} else {
res = 0;
}
*result = res;
return NS_OK;
}
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