1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/intl/locale/src/unix/nsDateTimeFormatUnix.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,286 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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 +#include <locale.h>
1.10 +#include "plstr.h"
1.11 +#include "nsIServiceManager.h"
1.12 +#include "nsDateTimeFormatUnix.h"
1.13 +#include "nsIComponentManager.h"
1.14 +#include "nsILocaleService.h"
1.15 +#include "nsIPlatformCharset.h"
1.16 +#include "nsPosixLocale.h"
1.17 +#include "nsCRT.h"
1.18 +#include "nsReadableUtils.h"
1.19 +#include "nsUnicharUtils.h"
1.20 +
1.21 +NS_IMPL_ISUPPORTS(nsDateTimeFormatUnix, nsIDateTimeFormat)
1.22 +
1.23 +// init this interface to a specified locale
1.24 +nsresult nsDateTimeFormatUnix::Initialize(nsILocale* locale)
1.25 +{
1.26 + nsAutoString localeStr;
1.27 + NS_NAMED_LITERAL_STRING(aCategory, "NSILOCALE_TIME##PLATFORM");
1.28 + nsresult res = NS_OK;
1.29 +
1.30 + // use cached info if match with stored locale
1.31 + if (!locale) {
1.32 + if (!mLocale.IsEmpty() &&
1.33 + mLocale.Equals(mAppLocale, nsCaseInsensitiveStringComparator())) {
1.34 + return NS_OK;
1.35 + }
1.36 + }
1.37 + else {
1.38 + res = locale->GetCategory(aCategory, localeStr);
1.39 + if (NS_SUCCEEDED(res) && !localeStr.IsEmpty()) {
1.40 + if (!mLocale.IsEmpty() &&
1.41 + mLocale.Equals(localeStr,
1.42 + nsCaseInsensitiveStringComparator())) {
1.43 + return NS_OK;
1.44 + }
1.45 + }
1.46 + }
1.47 +
1.48 + mCharset.AssignLiteral("ISO-8859-1");
1.49 + mPlatformLocale.Assign("en_US");
1.50 +
1.51 + // get locale name string, use app default if no locale specified
1.52 + if (!locale) {
1.53 + nsCOMPtr<nsILocaleService> localeService =
1.54 + do_GetService(NS_LOCALESERVICE_CONTRACTID, &res);
1.55 + if (NS_SUCCEEDED(res)) {
1.56 + nsCOMPtr<nsILocale> appLocale;
1.57 + res = localeService->GetApplicationLocale(getter_AddRefs(appLocale));
1.58 + if (NS_SUCCEEDED(res)) {
1.59 + res = appLocale->GetCategory(aCategory, localeStr);
1.60 + if (NS_SUCCEEDED(res) && !localeStr.IsEmpty()) {
1.61 + NS_ASSERTION(NS_SUCCEEDED(res), "failed to get app locale info");
1.62 + mAppLocale = localeStr; // cache app locale name
1.63 + }
1.64 + }
1.65 + }
1.66 + }
1.67 + else {
1.68 + res = locale->GetCategory(aCategory, localeStr);
1.69 + NS_ASSERTION(NS_SUCCEEDED(res), "failed to get locale info");
1.70 + }
1.71 +
1.72 + if (NS_SUCCEEDED(res) && !localeStr.IsEmpty()) {
1.73 + mLocale = localeStr; // cache locale name
1.74 +
1.75 + nsPosixLocale::GetPlatformLocale(mLocale, mPlatformLocale);
1.76 +
1.77 + nsCOMPtr <nsIPlatformCharset> platformCharset = do_GetService(NS_PLATFORMCHARSET_CONTRACTID, &res);
1.78 + if (NS_SUCCEEDED(res)) {
1.79 + nsAutoCString mappedCharset;
1.80 + res = platformCharset->GetDefaultCharsetForLocale(mLocale, mappedCharset);
1.81 + if (NS_SUCCEEDED(res)) {
1.82 + mCharset = mappedCharset;
1.83 + }
1.84 + }
1.85 + }
1.86 +
1.87 + // Initialize unicode decoder
1.88 + nsCOMPtr <nsICharsetConverterManager> charsetConverterManager;
1.89 + charsetConverterManager = do_GetService(NS_CHARSETCONVERTERMANAGER_CONTRACTID, &res);
1.90 + if (NS_SUCCEEDED(res)) {
1.91 + res = charsetConverterManager->GetUnicodeDecoder(mCharset.get(), getter_AddRefs(mDecoder));
1.92 + }
1.93 +
1.94 + LocalePreferred24hour();
1.95 +
1.96 + return res;
1.97 +}
1.98 +
1.99 +void nsDateTimeFormatUnix::LocalePreferred24hour()
1.100 +{
1.101 + char str[100];
1.102 + time_t tt;
1.103 + struct tm *tmc;
1.104 + int i;
1.105 +
1.106 + tt = time(nullptr);
1.107 + tmc = localtime(&tt);
1.108 +
1.109 + tmc->tm_hour=22; // put the test sample hour to 22:00 which is 10PM
1.110 + tmc->tm_min=0; // set the min & sec other number than '2'
1.111 + tmc->tm_sec=0;
1.112 +
1.113 + char *temp = setlocale(LC_TIME, mPlatformLocale.get());
1.114 + strftime(str, (size_t)99, "%X", (struct tm *)tmc);
1.115 +
1.116 + (void) setlocale(LC_TIME, temp);
1.117 +
1.118 + mLocalePreferred24hour = false;
1.119 + for (i=0; str[i]; i++) {
1.120 + if (str[i] == '2') { // if there is any '2', that locale use 0-23 time format
1.121 + mLocalePreferred24hour = true;
1.122 + break;
1.123 + }
1.124 + }
1.125 +
1.126 + mLocaleAMPMfirst = true;
1.127 + if (mLocalePreferred24hour == false) {
1.128 + if (str[0] && str[0] == '1') { // if the first character is '1' of 10:00,
1.129 + // AMPM string is located after 10:00
1.130 + mLocaleAMPMfirst = false;
1.131 + }
1.132 + }
1.133 +}
1.134 +
1.135 +nsresult nsDateTimeFormatUnix::FormatTime(nsILocale* locale,
1.136 + const nsDateFormatSelector dateFormatSelector,
1.137 + const nsTimeFormatSelector timeFormatSelector,
1.138 + const time_t timetTime,
1.139 + nsAString& stringOut)
1.140 +{
1.141 + struct tm tmTime;
1.142 + memcpy(&tmTime, localtime(&timetTime), sizeof(struct tm));
1.143 + return FormatTMTime(locale, dateFormatSelector, timeFormatSelector, &tmTime, stringOut);
1.144 +}
1.145 +
1.146 +// performs a locale sensitive date formatting operation on the struct tm parameter
1.147 +nsresult nsDateTimeFormatUnix::FormatTMTime(nsILocale* locale,
1.148 + const nsDateFormatSelector dateFormatSelector,
1.149 + const nsTimeFormatSelector timeFormatSelector,
1.150 + const struct tm* tmTime,
1.151 + nsAString& stringOut)
1.152 +{
1.153 +#define NSDATETIME_FORMAT_BUFFER_LEN 80
1.154 + char strOut[NSDATETIME_FORMAT_BUFFER_LEN*2]; // buffer for date and time
1.155 + char fmtD[NSDATETIME_FORMAT_BUFFER_LEN], fmtT[NSDATETIME_FORMAT_BUFFER_LEN];
1.156 + nsresult rv;
1.157 +
1.158 +
1.159 + // set up locale data
1.160 + (void) Initialize(locale);
1.161 + NS_ENSURE_TRUE(mDecoder, NS_ERROR_NOT_INITIALIZED);
1.162 +
1.163 + // set date format
1.164 + if (dateFormatSelector == kDateFormatLong && timeFormatSelector == kTimeFormatSeconds) {
1.165 + PL_strncpy(fmtD, "%c", NSDATETIME_FORMAT_BUFFER_LEN);
1.166 + PL_strncpy(fmtT, "", NSDATETIME_FORMAT_BUFFER_LEN);
1.167 + } else {
1.168 +
1.169 + switch (dateFormatSelector) {
1.170 + case kDateFormatNone:
1.171 + PL_strncpy(fmtD, "", NSDATETIME_FORMAT_BUFFER_LEN);
1.172 + break;
1.173 + case kDateFormatLong:
1.174 + case kDateFormatShort:
1.175 + PL_strncpy(fmtD, "%x", NSDATETIME_FORMAT_BUFFER_LEN);
1.176 + break;
1.177 + case kDateFormatYearMonth:
1.178 + PL_strncpy(fmtD, "%Y/%m", NSDATETIME_FORMAT_BUFFER_LEN);
1.179 + break;
1.180 + case kDateFormatWeekday:
1.181 + PL_strncpy(fmtD, "%a", NSDATETIME_FORMAT_BUFFER_LEN);
1.182 + break;
1.183 + default:
1.184 + PL_strncpy(fmtD, "", NSDATETIME_FORMAT_BUFFER_LEN);
1.185 + }
1.186 +
1.187 + // set time format
1.188 + switch (timeFormatSelector) {
1.189 + case kTimeFormatNone:
1.190 + PL_strncpy(fmtT, "", NSDATETIME_FORMAT_BUFFER_LEN);
1.191 + break;
1.192 + case kTimeFormatSeconds:
1.193 + PL_strncpy(fmtT, "%X", NSDATETIME_FORMAT_BUFFER_LEN);
1.194 + break;
1.195 + case kTimeFormatNoSeconds:
1.196 + PL_strncpy(fmtT,
1.197 + mLocalePreferred24hour ? "%H:%M" : mLocaleAMPMfirst ? "%p %I:%M" : "%I:%M %p",
1.198 + NSDATETIME_FORMAT_BUFFER_LEN);
1.199 + break;
1.200 + case kTimeFormatSecondsForce24Hour:
1.201 + PL_strncpy(fmtT, "%H:%M:%S", NSDATETIME_FORMAT_BUFFER_LEN);
1.202 + break;
1.203 + case kTimeFormatNoSecondsForce24Hour:
1.204 + PL_strncpy(fmtT, "%H:%M", NSDATETIME_FORMAT_BUFFER_LEN);
1.205 + break;
1.206 + default:
1.207 + PL_strncpy(fmtT, "", NSDATETIME_FORMAT_BUFFER_LEN);
1.208 + }
1.209 + }
1.210 +
1.211 + // generate data/time string
1.212 + char *old_locale = setlocale(LC_TIME, nullptr);
1.213 + (void) setlocale(LC_TIME, mPlatformLocale.get());
1.214 + if (strlen(fmtD) && strlen(fmtT)) {
1.215 + PL_strncat(fmtD, " ", NSDATETIME_FORMAT_BUFFER_LEN);
1.216 + PL_strncat(fmtD, fmtT, NSDATETIME_FORMAT_BUFFER_LEN);
1.217 + strftime(strOut, NSDATETIME_FORMAT_BUFFER_LEN, fmtD, tmTime);
1.218 + }
1.219 + else if (strlen(fmtD) && !strlen(fmtT)) {
1.220 + strftime(strOut, NSDATETIME_FORMAT_BUFFER_LEN, fmtD, tmTime);
1.221 + }
1.222 + else if (!strlen(fmtD) && strlen(fmtT)) {
1.223 + strftime(strOut, NSDATETIME_FORMAT_BUFFER_LEN, fmtT, tmTime);
1.224 + }
1.225 + else {
1.226 + PL_strncpy(strOut, "", NSDATETIME_FORMAT_BUFFER_LEN);
1.227 + }
1.228 + (void) setlocale(LC_TIME, old_locale);
1.229 +
1.230 + // convert result to unicode
1.231 + int32_t srcLength = (int32_t) strlen(strOut);
1.232 + int32_t unicharLength = NSDATETIME_FORMAT_BUFFER_LEN*2;
1.233 + char16_t unichars[NSDATETIME_FORMAT_BUFFER_LEN*2]; // buffer for date and time
1.234 +
1.235 + rv = mDecoder->Convert(strOut, &srcLength, unichars, &unicharLength);
1.236 + if (NS_FAILED(rv))
1.237 + return rv;
1.238 + stringOut.Assign(unichars, unicharLength);
1.239 +
1.240 + return rv;
1.241 +}
1.242 +
1.243 +// performs a locale sensitive date formatting operation on the PRTime parameter
1.244 +nsresult nsDateTimeFormatUnix::FormatPRTime(nsILocale* locale,
1.245 + const nsDateFormatSelector dateFormatSelector,
1.246 + const nsTimeFormatSelector timeFormatSelector,
1.247 + const PRTime prTime,
1.248 + nsAString& stringOut)
1.249 +{
1.250 + PRExplodedTime explodedTime;
1.251 + PR_ExplodeTime(prTime, PR_LocalTimeParameters, &explodedTime);
1.252 +
1.253 + return FormatPRExplodedTime(locale, dateFormatSelector, timeFormatSelector, &explodedTime, stringOut);
1.254 +}
1.255 +
1.256 +// performs a locale sensitive date formatting operation on the PRExplodedTime parameter
1.257 +nsresult nsDateTimeFormatUnix::FormatPRExplodedTime(nsILocale* locale,
1.258 + const nsDateFormatSelector dateFormatSelector,
1.259 + const nsTimeFormatSelector timeFormatSelector,
1.260 + const PRExplodedTime* explodedTime,
1.261 + nsAString& stringOut)
1.262 +{
1.263 + struct tm tmTime;
1.264 + /* be safe and set all members of struct tm to zero
1.265 + *
1.266 + * there are other fields in the tm struct that we aren't setting
1.267 + * (tm_isdst, tm_gmtoff, tm_zone, should we set these?) and since
1.268 + * tmTime is on the stack, it may be filled with garbage, but
1.269 + * the garbage may vary. (this may explain why some saw bug #10412, and
1.270 + * others did not.
1.271 + *
1.272 + * when tmTime is passed to strftime() with garbage bad things may happen.
1.273 + * see bug #10412
1.274 + */
1.275 + memset( &tmTime, 0, sizeof(tmTime) );
1.276 +
1.277 + tmTime.tm_yday = explodedTime->tm_yday;
1.278 + tmTime.tm_wday = explodedTime->tm_wday;
1.279 + tmTime.tm_year = explodedTime->tm_year;
1.280 + tmTime.tm_year -= 1900;
1.281 + tmTime.tm_mon = explodedTime->tm_month;
1.282 + tmTime.tm_mday = explodedTime->tm_mday;
1.283 + tmTime.tm_hour = explodedTime->tm_hour;
1.284 + tmTime.tm_min = explodedTime->tm_min;
1.285 + tmTime.tm_sec = explodedTime->tm_sec;
1.286 +
1.287 + return FormatTMTime(locale, dateFormatSelector, timeFormatSelector, &tmTime, stringOut);
1.288 +}
1.289 +
