1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/intl/locale/src/nsLocaleService.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,381 @@
1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifdef MOZ_WIDGET_QT
1.10 +#include <QString>
1.11 +#include <QtCore/QLocale>
1.12 +#endif
1.13 +
1.14 +#include "nsCOMPtr.h"
1.15 +#include "nsAutoPtr.h"
1.16 +#include "nsILocale.h"
1.17 +#include "nsILocaleService.h"
1.18 +#include "nsLocale.h"
1.19 +#include "nsCRT.h"
1.20 +#include "prprf.h"
1.21 +#include "nsTArray.h"
1.22 +#include "nsString.h"
1.23 +
1.24 +#include <ctype.h>
1.25 +
1.26 +#if defined(XP_WIN)
1.27 +# include "nsWin32Locale.h"
1.28 +#elif defined(XP_MACOSX)
1.29 +# include <Carbon/Carbon.h>
1.30 +#elif defined(XP_UNIX)
1.31 +# include <locale.h>
1.32 +# include <stdlib.h>
1.33 +# include "nsPosixLocale.h"
1.34 +#endif
1.35 +
1.36 +//
1.37 +// implementation constants
1.38 +const int LocaleListLength = 6;
1.39 +const char* LocaleList[LocaleListLength] =
1.40 +{
1.41 + NSILOCALE_COLLATE,
1.42 + NSILOCALE_CTYPE,
1.43 + NSILOCALE_MONETARY,
1.44 + NSILOCALE_NUMERIC,
1.45 + NSILOCALE_TIME,
1.46 + NSILOCALE_MESSAGE
1.47 +};
1.48 +
1.49 +#define NSILOCALE_MAX_ACCEPT_LANGUAGE 16
1.50 +#define NSILOCALE_MAX_ACCEPT_LENGTH 18
1.51 +
1.52 +#if (defined(XP_UNIX) && !defined(XP_MACOSX))
1.53 +static int posix_locale_category[LocaleListLength] =
1.54 +{
1.55 + LC_COLLATE,
1.56 + LC_CTYPE,
1.57 + LC_MONETARY,
1.58 + LC_NUMERIC,
1.59 + LC_TIME,
1.60 +#ifdef HAVE_I18N_LC_MESSAGES
1.61 + LC_MESSAGES
1.62 +#else
1.63 + LC_CTYPE
1.64 +#endif
1.65 +};
1.66 +#endif
1.67 +
1.68 +//
1.69 +// nsILocaleService implementation
1.70 +//
1.71 +class nsLocaleService: public nsILocaleService {
1.72 +
1.73 +public:
1.74 +
1.75 + //
1.76 + // nsISupports
1.77 + //
1.78 + NS_DECL_THREADSAFE_ISUPPORTS
1.79 +
1.80 + //
1.81 + // nsILocaleService
1.82 + //
1.83 + NS_DECL_NSILOCALESERVICE
1.84 +
1.85 +
1.86 + nsLocaleService(void);
1.87 + virtual ~nsLocaleService(void);
1.88 +
1.89 +protected:
1.90 +
1.91 + nsresult SetSystemLocale(void);
1.92 + nsresult SetApplicationLocale(void);
1.93 +
1.94 + nsCOMPtr<nsILocale> mSystemLocale;
1.95 + nsCOMPtr<nsILocale> mApplicationLocale;
1.96 +
1.97 +};
1.98 +
1.99 +//
1.100 +// nsLocaleService methods
1.101 +//
1.102 +nsLocaleService::nsLocaleService(void)
1.103 +{
1.104 +#ifdef XP_WIN
1.105 + nsAutoString xpLocale;
1.106 + //
1.107 + // get the system LCID
1.108 + //
1.109 + LCID win_lcid = GetSystemDefaultLCID();
1.110 + NS_ENSURE_TRUE_VOID(win_lcid);
1.111 + nsWin32Locale::GetXPLocale(win_lcid, xpLocale);
1.112 + nsresult rv = NewLocale(xpLocale, getter_AddRefs(mSystemLocale));
1.113 + NS_ENSURE_SUCCESS_VOID(rv);
1.114 +
1.115 + //
1.116 + // get the application LCID
1.117 + //
1.118 + win_lcid = GetUserDefaultLCID();
1.119 + NS_ENSURE_TRUE_VOID(win_lcid);
1.120 + nsWin32Locale::GetXPLocale(win_lcid, xpLocale);
1.121 + rv = NewLocale(xpLocale, getter_AddRefs(mApplicationLocale));
1.122 + NS_ENSURE_SUCCESS_VOID(rv);
1.123 +#endif
1.124 +#if defined(XP_UNIX) && !defined(XP_MACOSX)
1.125 + nsRefPtr<nsLocale> resultLocale(new nsLocale());
1.126 + NS_ENSURE_TRUE_VOID(resultLocale);
1.127 +
1.128 +#ifdef MOZ_WIDGET_QT
1.129 + const char* lang = QLocale::system().name().toUtf8();
1.130 +#else
1.131 + // Get system configuration
1.132 + const char* lang = getenv("LANG");
1.133 +#endif
1.134 +
1.135 + nsAutoString xpLocale, platformLocale;
1.136 + nsAutoString category, category_platform;
1.137 + int i;
1.138 +
1.139 + for( i = 0; i < LocaleListLength; i++ ) {
1.140 + nsresult result;
1.141 + // setlocale( , "") evaluates LC_* and LANG
1.142 + char* lc_temp = setlocale(posix_locale_category[i], "");
1.143 + CopyASCIItoUTF16(LocaleList[i], category);
1.144 + category_platform = category;
1.145 + category_platform.AppendLiteral("##PLATFORM");
1.146 + if (lc_temp != nullptr) {
1.147 + result = nsPosixLocale::GetXPLocale(lc_temp, xpLocale);
1.148 + CopyASCIItoUTF16(lc_temp, platformLocale);
1.149 + } else {
1.150 + if ( lang == nullptr ) {
1.151 + platformLocale.AssignLiteral("en_US");
1.152 + result = nsPosixLocale::GetXPLocale("en-US", xpLocale);
1.153 + } else {
1.154 + CopyASCIItoUTF16(lang, platformLocale);
1.155 + result = nsPosixLocale::GetXPLocale(lang, xpLocale);
1.156 + }
1.157 + }
1.158 + if (NS_FAILED(result)) {
1.159 + return;
1.160 + }
1.161 + resultLocale->AddCategory(category, xpLocale);
1.162 + resultLocale->AddCategory(category_platform, platformLocale);
1.163 + }
1.164 + mSystemLocale = do_QueryInterface(resultLocale);
1.165 + mApplicationLocale = do_QueryInterface(resultLocale);
1.166 +
1.167 +#endif // XP_UNIX
1.168 +
1.169 +#ifdef XP_MACOSX
1.170 + // Get string representation of user's current locale
1.171 + CFLocaleRef userLocaleRef = ::CFLocaleCopyCurrent();
1.172 + CFStringRef userLocaleStr = ::CFLocaleGetIdentifier(userLocaleRef);
1.173 + ::CFRetain(userLocaleStr);
1.174 +
1.175 + nsAutoTArray<UniChar, 32> buffer;
1.176 + int size = ::CFStringGetLength(userLocaleStr);
1.177 + buffer.SetLength(size + 1);
1.178 + CFRange range = ::CFRangeMake(0, size);
1.179 + ::CFStringGetCharacters(userLocaleStr, range, buffer.Elements());
1.180 + buffer[size] = 0;
1.181 +
1.182 + // Convert the locale string to the format that Mozilla expects
1.183 + nsAutoString xpLocale(reinterpret_cast<char16_t*>(buffer.Elements()));
1.184 + xpLocale.ReplaceChar('_', '-');
1.185 +
1.186 + nsresult rv = NewLocale(xpLocale, getter_AddRefs(mSystemLocale));
1.187 + if (NS_SUCCEEDED(rv)) {
1.188 + mApplicationLocale = mSystemLocale;
1.189 + }
1.190 +
1.191 + ::CFRelease(userLocaleStr);
1.192 + ::CFRelease(userLocaleRef);
1.193 +
1.194 + NS_ASSERTION(mApplicationLocale, "Failed to create locale objects");
1.195 +#endif // XP_MACOSX
1.196 +}
1.197 +
1.198 +nsLocaleService::~nsLocaleService(void)
1.199 +{
1.200 +}
1.201 +
1.202 +NS_IMPL_ISUPPORTS(nsLocaleService, nsILocaleService)
1.203 +
1.204 +NS_IMETHODIMP
1.205 +nsLocaleService::NewLocale(const nsAString &aLocale, nsILocale **_retval)
1.206 +{
1.207 + nsresult result;
1.208 +
1.209 + *_retval = nullptr;
1.210 +
1.211 + nsRefPtr<nsLocale> resultLocale(new nsLocale());
1.212 + if (!resultLocale) return NS_ERROR_OUT_OF_MEMORY;
1.213 +
1.214 + for (int32_t i = 0; i < LocaleListLength; i++) {
1.215 + NS_ConvertASCIItoUTF16 category(LocaleList[i]);
1.216 + result = resultLocale->AddCategory(category, aLocale);
1.217 + if (NS_FAILED(result)) return result;
1.218 +#if defined(XP_UNIX) && !defined(XP_MACOSX)
1.219 + category.AppendLiteral("##PLATFORM");
1.220 + result = resultLocale->AddCategory(category, aLocale);
1.221 + if (NS_FAILED(result)) return result;
1.222 +#endif
1.223 + }
1.224 +
1.225 + NS_ADDREF(*_retval = resultLocale);
1.226 + return NS_OK;
1.227 +}
1.228 +
1.229 +
1.230 +NS_IMETHODIMP
1.231 +nsLocaleService::GetSystemLocale(nsILocale **_retval)
1.232 +{
1.233 + if (mSystemLocale) {
1.234 + NS_ADDREF(*_retval = mSystemLocale);
1.235 + return NS_OK;
1.236 + }
1.237 +
1.238 + *_retval = (nsILocale*)nullptr;
1.239 + return NS_ERROR_FAILURE;
1.240 +}
1.241 +
1.242 +NS_IMETHODIMP
1.243 +nsLocaleService::GetApplicationLocale(nsILocale **_retval)
1.244 +{
1.245 + if (mApplicationLocale) {
1.246 + NS_ADDREF(*_retval = mApplicationLocale);
1.247 + return NS_OK;
1.248 + }
1.249 +
1.250 + *_retval=(nsILocale*)nullptr;
1.251 + return NS_ERROR_FAILURE;
1.252 +}
1.253 +
1.254 +NS_IMETHODIMP
1.255 +nsLocaleService::GetLocaleFromAcceptLanguage(const char *acceptLanguage, nsILocale **_retval)
1.256 +{
1.257 + char* cPtr;
1.258 + char* cPtr1;
1.259 + char* cPtr2;
1.260 + int i;
1.261 + int j;
1.262 + int countLang = 0;
1.263 + char acceptLanguageList[NSILOCALE_MAX_ACCEPT_LANGUAGE][NSILOCALE_MAX_ACCEPT_LENGTH];
1.264 + nsresult result;
1.265 +
1.266 + nsAutoArrayPtr<char> input(new char[strlen(acceptLanguage)+1]);
1.267 +
1.268 + strcpy(input, acceptLanguage);
1.269 + cPtr1 = input-1;
1.270 + cPtr2 = input;
1.271 +
1.272 + /* put in standard form */
1.273 + while (*(++cPtr1)) {
1.274 + if (isalpha(*cPtr1)) *cPtr2++ = tolower(*cPtr1); /* force lower case */
1.275 + else if (isspace(*cPtr1)) ; /* ignore any space */
1.276 + else if (*cPtr1=='-') *cPtr2++ = '_'; /* "-" -> "_" */
1.277 + else if (*cPtr1=='*') ; /* ignore "*" */
1.278 + else *cPtr2++ = *cPtr1; /* else unchanged */
1.279 + }
1.280 + *cPtr2 = '\0';
1.281 +
1.282 + countLang = 0;
1.283 +
1.284 + if (strchr(input,';')) {
1.285 + /* deal with the quality values */
1.286 +
1.287 + float qvalue[NSILOCALE_MAX_ACCEPT_LANGUAGE];
1.288 + float qSwap;
1.289 + float bias = 0.0f;
1.290 + char* ptrLanguage[NSILOCALE_MAX_ACCEPT_LANGUAGE];
1.291 + char* ptrSwap;
1.292 +
1.293 + cPtr = nsCRT::strtok(input,",",&cPtr2);
1.294 + while (cPtr) {
1.295 + qvalue[countLang] = 1.0f;
1.296 + /* add extra parens to get rid of warning */
1.297 + if ((cPtr1 = strchr(cPtr,';')) != nullptr) {
1.298 + PR_sscanf(cPtr1,";q=%f",&qvalue[countLang]);
1.299 + *cPtr1 = '\0';
1.300 + }
1.301 + if (strlen(cPtr)<NSILOCALE_MAX_ACCEPT_LANGUAGE) { /* ignore if too long */
1.302 + qvalue[countLang] -= (bias += 0.0001f); /* to insure original order */
1.303 + ptrLanguage[countLang++] = cPtr;
1.304 + if (countLang>=NSILOCALE_MAX_ACCEPT_LANGUAGE) break; /* quit if too many */
1.305 + }
1.306 + cPtr = nsCRT::strtok(cPtr2,",",&cPtr2);
1.307 + }
1.308 +
1.309 + /* sort according to decending qvalue */
1.310 + /* not a very good algorithm, but count is not likely large */
1.311 + for ( i=0 ; i<countLang-1 ; i++ ) {
1.312 + for ( j=i+1 ; j<countLang ; j++ ) {
1.313 + if (qvalue[i]<qvalue[j]) {
1.314 + qSwap = qvalue[i];
1.315 + qvalue[i] = qvalue[j];
1.316 + qvalue[j] = qSwap;
1.317 + ptrSwap = ptrLanguage[i];
1.318 + ptrLanguage[i] = ptrLanguage[j];
1.319 + ptrLanguage[j] = ptrSwap;
1.320 + }
1.321 + }
1.322 + }
1.323 + for ( i=0 ; i<countLang ; i++ ) {
1.324 + PL_strncpyz(acceptLanguageList[i],ptrLanguage[i],NSILOCALE_MAX_ACCEPT_LENGTH);
1.325 + }
1.326 +
1.327 + } else {
1.328 + /* simple case: no quality values */
1.329 +
1.330 + cPtr = nsCRT::strtok(input,",",&cPtr2);
1.331 + while (cPtr) {
1.332 + if (strlen(cPtr)<NSILOCALE_MAX_ACCEPT_LENGTH) { /* ignore if too long */
1.333 + PL_strncpyz(acceptLanguageList[countLang++],cPtr,NSILOCALE_MAX_ACCEPT_LENGTH);
1.334 + if (countLang>=NSILOCALE_MAX_ACCEPT_LENGTH) break; /* quit if too many */
1.335 + }
1.336 + cPtr = nsCRT::strtok(cPtr2,",",&cPtr2);
1.337 + }
1.338 + }
1.339 +
1.340 + //
1.341 + // now create the locale
1.342 + //
1.343 + result = NS_ERROR_FAILURE;
1.344 + if (countLang>0) {
1.345 + result = NewLocale(NS_ConvertASCIItoUTF16(acceptLanguageList[0]), _retval);
1.346 + }
1.347 +
1.348 + //
1.349 + // clean up
1.350 + //
1.351 + return result;
1.352 +}
1.353 +
1.354 +
1.355 +nsresult
1.356 +nsLocaleService::GetLocaleComponentForUserAgent(nsAString& retval)
1.357 +{
1.358 + nsCOMPtr<nsILocale> system_locale;
1.359 + nsresult result;
1.360 +
1.361 + result = GetSystemLocale(getter_AddRefs(system_locale));
1.362 + if (NS_SUCCEEDED(result))
1.363 + {
1.364 + result = system_locale->
1.365 + GetCategory(NS_LITERAL_STRING(NSILOCALE_MESSAGE), retval);
1.366 + return result;
1.367 + }
1.368 +
1.369 + return result;
1.370 +}
1.371 +
1.372 +
1.373 +
1.374 +nsresult
1.375 +NS_NewLocaleService(nsILocaleService** result)
1.376 +{
1.377 + if(!result)
1.378 + return NS_ERROR_NULL_POINTER;
1.379 + *result = new nsLocaleService();
1.380 + if (! *result)
1.381 + return NS_ERROR_OUT_OF_MEMORY;
1.382 + NS_ADDREF(*result);
1.383 + return NS_OK;
1.384 +}
