1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/intl/locale/src/windows/nsDateTimeFormatWin.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,253 @@
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 "nsDateTimeFormatWin.h"
1.10 +#include "nsIServiceManager.h"
1.11 +#include "nsIComponentManager.h"
1.12 +#include "nsILocaleService.h"
1.13 +#include "nsWin32Locale.h"
1.14 +#include "nsUnicharUtils.h"
1.15 +#include "nsCRT.h"
1.16 +#include "nsCOMPtr.h"
1.17 +
1.18 +
1.19 +#define NSDATETIMEFORMAT_BUFFER_LEN 80
1.20 +
1.21 +NS_IMPL_ISUPPORTS(nsDateTimeFormatWin, nsIDateTimeFormat)
1.22 +
1.23 +
1.24 +// init this interface to a specified locale
1.25 +nsresult nsDateTimeFormatWin::Initialize(nsILocale* locale)
1.26 +{
1.27 + nsAutoString localeStr;
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(NS_LITERAL_STRING("NSILOCALE_TIME"), localeStr);
1.39 + if (NS_SUCCEEDED(res) && !localeStr.IsEmpty()) {
1.40 + if (!mLocale.IsEmpty() &&
1.41 + mLocale.Equals(localeStr, nsCaseInsensitiveStringComparator())) {
1.42 + return NS_OK;
1.43 + }
1.44 + }
1.45 + }
1.46 +
1.47 + // default LCID (en-US)
1.48 + mLCID = 1033;
1.49 +
1.50 + // get locale string, use app default if no locale specified
1.51 + if (!locale) {
1.52 + nsCOMPtr<nsILocaleService> localeService =
1.53 + do_GetService(NS_LOCALESERVICE_CONTRACTID);
1.54 + if (localeService) {
1.55 + nsCOMPtr<nsILocale> appLocale;
1.56 + res = localeService->GetApplicationLocale(getter_AddRefs(appLocale));
1.57 + if (NS_SUCCEEDED(res)) {
1.58 + res = appLocale->GetCategory(NS_LITERAL_STRING("NSILOCALE_TIME"),
1.59 + localeStr);
1.60 + if (NS_SUCCEEDED(res) && !localeStr.IsEmpty()) {
1.61 + mAppLocale.Assign(localeStr); // cache app locale name
1.62 + }
1.63 + }
1.64 + }
1.65 + }
1.66 + else {
1.67 + res = locale->GetCategory(NS_LITERAL_STRING("NSILOCALE_TIME"), localeStr);
1.68 + }
1.69 +
1.70 + // Get LCID and charset name from locale, if available
1.71 + if (NS_SUCCEEDED(res) && !localeStr.IsEmpty()) {
1.72 + mLocale.Assign(localeStr); // cache locale name
1.73 + res = nsWin32Locale::GetPlatformLocale(mLocale, (LCID *) &mLCID);
1.74 + }
1.75 +
1.76 + return res;
1.77 +}
1.78 +
1.79 +// performs a locale sensitive date formatting operation on the time_t parameter
1.80 +nsresult nsDateTimeFormatWin::FormatTime(nsILocale* locale,
1.81 + const nsDateFormatSelector dateFormatSelector,
1.82 + const nsTimeFormatSelector timeFormatSelector,
1.83 + const time_t timetTime,
1.84 + nsAString& stringOut)
1.85 +{
1.86 + return FormatTMTime(locale, dateFormatSelector, timeFormatSelector, localtime( &timetTime ), stringOut);
1.87 +}
1.88 +
1.89 +// performs a locale sensitive date formatting operation on the struct tm parameter
1.90 +nsresult nsDateTimeFormatWin::FormatTMTime(nsILocale* locale,
1.91 + const nsDateFormatSelector dateFormatSelector,
1.92 + const nsTimeFormatSelector timeFormatSelector,
1.93 + const struct tm* tmTime,
1.94 + nsAString& stringOut)
1.95 +{
1.96 + SYSTEMTIME system_time;
1.97 + DWORD dwFlags_Date = 0, dwFlags_Time = 0;
1.98 + int dateLen, timeLen;
1.99 + char16_t dateBuffer[NSDATETIMEFORMAT_BUFFER_LEN], timeBuffer[NSDATETIMEFORMAT_BUFFER_LEN];
1.100 +
1.101 + // set up locale data
1.102 + (void) Initialize(locale);
1.103 +
1.104 + // Map tm to SYSTEMTIME
1.105 + system_time.wYear = 1900 + tmTime->tm_year;
1.106 + system_time.wMonth = tmTime->tm_mon + 1;
1.107 + system_time.wDayOfWeek = tmTime->tm_wday;
1.108 + system_time.wDay = tmTime->tm_mday;
1.109 + system_time.wHour = tmTime->tm_hour;
1.110 + system_time.wMinute = tmTime->tm_min;
1.111 + system_time.wSecond = tmTime->tm_sec;
1.112 + system_time.wMilliseconds = 0;
1.113 +
1.114 + // Map to WinAPI date format
1.115 + switch (dateFormatSelector) {
1.116 + case kDateFormatLong:
1.117 + dwFlags_Date = DATE_LONGDATE;
1.118 + break;
1.119 + case kDateFormatShort:
1.120 + dwFlags_Date = DATE_SHORTDATE;
1.121 + break;
1.122 + case kDateFormatWeekday:
1.123 + dwFlags_Date = 0;
1.124 + break;
1.125 + case kDateFormatYearMonth:
1.126 + dwFlags_Date = 0; // TODO:only availabe NT5
1.127 + break;
1.128 + }
1.129 +
1.130 + // Map to WinAPI time format
1.131 + switch (timeFormatSelector) {
1.132 + case kTimeFormatSeconds:
1.133 + dwFlags_Time = 0;
1.134 + break;
1.135 + case kTimeFormatNoSeconds:
1.136 + dwFlags_Time = TIME_NOSECONDS;
1.137 + break;
1.138 + case kTimeFormatSecondsForce24Hour:
1.139 + dwFlags_Time = TIME_FORCE24HOURFORMAT;
1.140 + break;
1.141 + case kTimeFormatNoSecondsForce24Hour:
1.142 + dwFlags_Time = TIME_NOSECONDS + TIME_FORCE24HOURFORMAT;
1.143 + break;
1.144 + }
1.145 +
1.146 + // Call GetDateFormatW
1.147 + if (dateFormatSelector == kDateFormatNone) {
1.148 + dateLen = 0;
1.149 + }
1.150 + else {
1.151 + if (dateFormatSelector == kDateFormatYearMonth) {
1.152 + dateLen = nsGetDateFormatW(0, &system_time, "yyyy/MM",
1.153 + dateBuffer, NSDATETIMEFORMAT_BUFFER_LEN);
1.154 + }
1.155 + else if (dateFormatSelector == kDateFormatWeekday) {
1.156 + dateLen = nsGetDateFormatW(0, &system_time, "ddd",
1.157 + dateBuffer, NSDATETIMEFORMAT_BUFFER_LEN);
1.158 + }
1.159 + else {
1.160 + dateLen = nsGetDateFormatW(dwFlags_Date, &system_time, nullptr,
1.161 + dateBuffer, NSDATETIMEFORMAT_BUFFER_LEN);
1.162 + }
1.163 + if (dateLen != 0) {
1.164 + dateLen--; // Since the count includes the terminating null.
1.165 + }
1.166 + }
1.167 +
1.168 + // Call GetTimeFormatW
1.169 + if (timeFormatSelector == kTimeFormatNone) {
1.170 + timeLen = 0;
1.171 + }
1.172 + else {
1.173 + timeLen = nsGetTimeFormatW(dwFlags_Time, &system_time, nullptr,
1.174 + timeBuffer, NSDATETIMEFORMAT_BUFFER_LEN);
1.175 + if (timeLen != 0) {
1.176 + timeLen--; // Since the count includes the terminating null.
1.177 + }
1.178 + }
1.179 +
1.180 + NS_ASSERTION(NSDATETIMEFORMAT_BUFFER_LEN >= (uint32_t) (dateLen + 1), "internal date buffer is not large enough");
1.181 + NS_ASSERTION(NSDATETIMEFORMAT_BUFFER_LEN >= (uint32_t) (timeLen + 1), "internal time buffer is not large enough");
1.182 +
1.183 + // Copy the result
1.184 + stringOut.Truncate();
1.185 + if (dateLen != 0 && timeLen != 0) {
1.186 + stringOut.Assign(dateBuffer, dateLen);
1.187 + stringOut.Append((char16_t *)(L" "), 1);
1.188 + stringOut.Append(timeBuffer, timeLen);
1.189 + }
1.190 + else if (dateLen != 0 && timeLen == 0) {
1.191 + stringOut.Assign(dateBuffer, dateLen);
1.192 + }
1.193 + else if (dateLen == 0 && timeLen != 0) {
1.194 + stringOut.Assign(timeBuffer, timeLen);
1.195 + }
1.196 +
1.197 + return NS_OK;
1.198 +}
1.199 +
1.200 +// performs a locale sensitive date formatting operation on the PRTime parameter
1.201 +nsresult nsDateTimeFormatWin::FormatPRTime(nsILocale* locale,
1.202 + const nsDateFormatSelector dateFormatSelector,
1.203 + const nsTimeFormatSelector timeFormatSelector,
1.204 + const PRTime prTime,
1.205 + nsAString& stringOut)
1.206 +{
1.207 + PRExplodedTime explodedTime;
1.208 + PR_ExplodeTime(prTime, PR_LocalTimeParameters, &explodedTime);
1.209 +
1.210 + return FormatPRExplodedTime(locale, dateFormatSelector, timeFormatSelector, &explodedTime, stringOut);
1.211 +}
1.212 +
1.213 +// performs a locale sensitive date formatting operation on the PRExplodedTime parameter
1.214 +nsresult nsDateTimeFormatWin::FormatPRExplodedTime(nsILocale* locale,
1.215 + const nsDateFormatSelector dateFormatSelector,
1.216 + const nsTimeFormatSelector timeFormatSelector,
1.217 + const PRExplodedTime* explodedTime,
1.218 + nsAString& stringOut)
1.219 +{
1.220 + struct tm tmTime;
1.221 + memset( &tmTime, 0, sizeof(tmTime) );
1.222 +
1.223 + tmTime.tm_yday = explodedTime->tm_yday;
1.224 + tmTime.tm_wday = explodedTime->tm_wday;
1.225 + tmTime.tm_year = explodedTime->tm_year;
1.226 + tmTime.tm_year -= 1900;
1.227 + tmTime.tm_mon = explodedTime->tm_month;
1.228 + tmTime.tm_mday = explodedTime->tm_mday;
1.229 + tmTime.tm_hour = explodedTime->tm_hour;
1.230 + tmTime.tm_min = explodedTime->tm_min;
1.231 + tmTime.tm_sec = explodedTime->tm_sec;
1.232 +
1.233 + return FormatTMTime(locale, dateFormatSelector, timeFormatSelector, &tmTime, stringOut);
1.234 +}
1.235 +
1.236 +int nsDateTimeFormatWin::nsGetTimeFormatW(DWORD dwFlags, const SYSTEMTIME *lpTime,
1.237 + const char* format, char16_t *timeStr, int cchTime)
1.238 +{
1.239 + int len = 0;
1.240 + len = GetTimeFormatW(mLCID, dwFlags, lpTime,
1.241 + format ?
1.242 + NS_ConvertASCIItoUTF16(format).get() :
1.243 + nullptr,
1.244 + (LPWSTR) timeStr, cchTime);
1.245 + return len;
1.246 +}
1.247 +
1.248 +int nsDateTimeFormatWin::nsGetDateFormatW(DWORD dwFlags, const SYSTEMTIME *lpDate,
1.249 + const char* format, char16_t *dateStr, int cchDate)
1.250 +{
1.251 + int len = 0;
1.252 + len = GetDateFormatW(mLCID, dwFlags, lpDate,
1.253 + format ? NS_ConvertASCIItoUTF16(format).get() : nullptr,
1.254 + (LPWSTR) dateStr, cchDate);
1.255 + return len;
1.256 +}
