intl/locale/src/mac/nsDateTimeFormatMac.cpp

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/intl/locale/src/mac/nsDateTimeFormatMac.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,266 @@
     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 <CoreFoundation/CoreFoundation.h>
    1.10 +#include "nsIServiceManager.h"
    1.11 +#include "nsDateTimeFormatMac.h"
    1.12 +#include <CoreFoundation/CFDateFormatter.h>
    1.13 +#include "nsIComponentManager.h"
    1.14 +#include "nsILocaleService.h"
    1.15 +#include "nsCRT.h"
    1.16 +#include "plstr.h"
    1.17 +#include "nsUnicharUtils.h"
    1.18 +#include "nsTArray.h"
    1.19 +
    1.20 +
    1.21 +NS_IMPL_ISUPPORTS(nsDateTimeFormatMac, nsIDateTimeFormat)
    1.22 +
    1.23 +nsresult nsDateTimeFormatMac::Initialize(nsILocale* locale)
    1.24 +{
    1.25 +  nsAutoString localeStr;
    1.26 +  nsAutoString category(NS_LITERAL_STRING("NSILOCALE_TIME"));
    1.27 +  nsresult res;
    1.28 +
    1.29 +  // use cached info if match with stored locale
    1.30 +  if (nullptr == locale) {
    1.31 +    if (!mLocale.IsEmpty() &&
    1.32 +        mLocale.Equals(mAppLocale, nsCaseInsensitiveStringComparator())) {
    1.33 +      return NS_OK;
    1.34 +    }
    1.35 +  }
    1.36 +  else {
    1.37 +    res = locale->GetCategory(category, localeStr);
    1.38 +    if (NS_SUCCEEDED(res) && !localeStr.IsEmpty()) {
    1.39 +      if (!mLocale.IsEmpty() &&
    1.40 +          mLocale.Equals(localeStr,
    1.41 +                         nsCaseInsensitiveStringComparator())) {
    1.42 +        return NS_OK;
    1.43 +      }
    1.44 +    }
    1.45 +  }
    1.46 +
    1.47 +  // get application locale
    1.48 +  nsCOMPtr<nsILocaleService> localeService = 
    1.49 +           do_GetService(NS_LOCALESERVICE_CONTRACTID, &res);
    1.50 +  if (NS_SUCCEEDED(res)) {
    1.51 +    nsCOMPtr<nsILocale> appLocale;
    1.52 +    res = localeService->GetApplicationLocale(getter_AddRefs(appLocale));
    1.53 +    if (NS_SUCCEEDED(res)) {
    1.54 +      res = appLocale->GetCategory(category, localeStr);
    1.55 +      if (NS_SUCCEEDED(res) && !localeStr.IsEmpty()) {
    1.56 +        mAppLocale = localeStr; // cache app locale name
    1.57 +      }
    1.58 +    }
    1.59 +  }
    1.60 +  
    1.61 +  // use app default if no locale specified
    1.62 +  if (nullptr == locale) {
    1.63 +    mUseDefaultLocale = true;
    1.64 +  }
    1.65 +  else {
    1.66 +    mUseDefaultLocale = false;
    1.67 +    res = locale->GetCategory(category, localeStr);
    1.68 +  }
    1.69 +    
    1.70 +  if (NS_SUCCEEDED(res) && !localeStr.IsEmpty()) {
    1.71 +    mLocale.Assign(localeStr); // cache locale name
    1.72 +  }
    1.73 +
    1.74 +  return res;
    1.75 +}
    1.76 +
    1.77 +// performs a locale sensitive date formatting operation on the time_t parameter
    1.78 +nsresult nsDateTimeFormatMac::FormatTime(nsILocale* locale, 
    1.79 +                                      const nsDateFormatSelector  dateFormatSelector, 
    1.80 +                                      const nsTimeFormatSelector timeFormatSelector, 
    1.81 +                                      const time_t  timetTime, 
    1.82 +                                      nsAString& stringOut)
    1.83 +{
    1.84 +  struct tm tmTime;
    1.85 +  return FormatTMTime(locale, dateFormatSelector, timeFormatSelector, localtime_r(&timetTime, &tmTime), stringOut);
    1.86 +}
    1.87 +
    1.88 +// performs a locale sensitive date formatting operation on the struct tm parameter
    1.89 +nsresult nsDateTimeFormatMac::FormatTMTime(nsILocale* locale, 
    1.90 +                                           const nsDateFormatSelector  dateFormatSelector, 
    1.91 +                                           const nsTimeFormatSelector timeFormatSelector, 
    1.92 +                                           const struct tm*  tmTime, 
    1.93 +                                           nsAString& stringOut)
    1.94 +{
    1.95 +  nsresult res = NS_OK;
    1.96 +
    1.97 +  // set up locale data
    1.98 +  (void) Initialize(locale);
    1.99 +  
   1.100 +  // return, nothing to format
   1.101 +  if (dateFormatSelector == kDateFormatNone && timeFormatSelector == kTimeFormatNone) {
   1.102 +    stringOut.Truncate();
   1.103 +    return NS_OK;
   1.104 +  }
   1.105 +
   1.106 +  NS_ASSERTION(tmTime->tm_mon >= 0, "tm is not set correctly");
   1.107 +  NS_ASSERTION(tmTime->tm_mday >= 1, "tm is not set correctly");
   1.108 +  NS_ASSERTION(tmTime->tm_hour >= 0, "tm is not set correctly");
   1.109 +  NS_ASSERTION(tmTime->tm_min >= 0, "tm is not set correctly");
   1.110 +  NS_ASSERTION(tmTime->tm_sec >= 0, "tm is not set correctly");
   1.111 +  NS_ASSERTION(tmTime->tm_wday >= 0, "tm is not set correctly");
   1.112 +
   1.113 +  // Got the locale for the formatter:
   1.114 +  CFLocaleRef formatterLocale;
   1.115 +  if (!locale) {
   1.116 +    formatterLocale = CFLocaleCopyCurrent();
   1.117 +  } else {
   1.118 +    CFStringRef localeStr = CFStringCreateWithCharacters(nullptr,
   1.119 +                                                         reinterpret_cast<const UniChar*>(mLocale.get()),
   1.120 +                                                         mLocale.Length());
   1.121 +    formatterLocale = CFLocaleCreate(nullptr, localeStr);
   1.122 +    CFRelease(localeStr);
   1.123 +  }
   1.124 +
   1.125 +  // Get the date style for the formatter:  
   1.126 +  CFDateFormatterStyle dateStyle;
   1.127 +  switch (dateFormatSelector) {
   1.128 +    case kDateFormatLong:
   1.129 +      dateStyle = kCFDateFormatterLongStyle;
   1.130 +      break;
   1.131 +    case kDateFormatShort:
   1.132 +      dateStyle = kCFDateFormatterShortStyle;
   1.133 +      break;
   1.134 +    case kDateFormatYearMonth:
   1.135 +    case kDateFormatWeekday:
   1.136 +      dateStyle = kCFDateFormatterNoStyle; // formats handled below
   1.137 +      break;
   1.138 +    case kDateFormatNone:
   1.139 +      dateStyle = kCFDateFormatterNoStyle;
   1.140 +      break;
   1.141 +    default:
   1.142 +      NS_ERROR("Unknown nsDateFormatSelector");
   1.143 +      res = NS_ERROR_FAILURE;
   1.144 +      dateStyle = kCFDateFormatterNoStyle;
   1.145 +  }
   1.146 +  
   1.147 +  // Get the time style for the formatter:
   1.148 +  CFDateFormatterStyle timeStyle;
   1.149 +  switch (timeFormatSelector) {
   1.150 +    case kTimeFormatSeconds:
   1.151 +    case kTimeFormatSecondsForce24Hour: // 24 hour part fixed below
   1.152 +      timeStyle = kCFDateFormatterMediumStyle;
   1.153 +      break;
   1.154 +    case kTimeFormatNoSeconds:
   1.155 +    case kTimeFormatNoSecondsForce24Hour: // 24 hour part fixed below
   1.156 +      timeStyle = kCFDateFormatterShortStyle;
   1.157 +      break;
   1.158 +    case kTimeFormatNone:
   1.159 +      timeStyle = kCFDateFormatterNoStyle;
   1.160 +      break;
   1.161 +    default:
   1.162 +      NS_ERROR("Unknown nsTimeFormatSelector");
   1.163 +      res = NS_ERROR_FAILURE;
   1.164 +      timeStyle = kCFDateFormatterNoStyle;
   1.165 +  }
   1.166 +  
   1.167 +  // Create the formatter and fix up its formatting as necessary:
   1.168 +  CFDateFormatterRef formatter =
   1.169 +    CFDateFormatterCreate(nullptr, formatterLocale, dateStyle, timeStyle);
   1.170 +  
   1.171 +  CFRelease(formatterLocale);
   1.172 +  
   1.173 +  if (dateFormatSelector == kDateFormatYearMonth ||
   1.174 +      dateFormatSelector == kDateFormatWeekday) {
   1.175 +    CFStringRef dateFormat =
   1.176 +      dateFormatSelector == kDateFormatYearMonth ? CFSTR("yyyy/MM ") : CFSTR("EEE ");
   1.177 +    
   1.178 +    CFStringRef oldFormat = CFDateFormatterGetFormat(formatter);
   1.179 +    CFMutableStringRef newFormat = CFStringCreateMutableCopy(nullptr, 0, oldFormat);
   1.180 +    CFStringInsert(newFormat, 0, dateFormat);
   1.181 +    CFDateFormatterSetFormat(formatter, newFormat);
   1.182 +    CFRelease(newFormat); // note we don't own oldFormat
   1.183 +  }
   1.184 +  
   1.185 +  if (timeFormatSelector == kTimeFormatSecondsForce24Hour ||
   1.186 +      timeFormatSelector == kTimeFormatNoSecondsForce24Hour) {
   1.187 +    // Replace "h" with "H", and remove "a":
   1.188 +    CFStringRef oldFormat = CFDateFormatterGetFormat(formatter);
   1.189 +    CFMutableStringRef newFormat = CFStringCreateMutableCopy(nullptr, 0, oldFormat);
   1.190 +    CFIndex replaceCount = CFStringFindAndReplace(newFormat,
   1.191 +                                                  CFSTR("h"), CFSTR("H"),
   1.192 +                                                  CFRangeMake(0, CFStringGetLength(newFormat)),	
   1.193 +                                                  0);
   1.194 +    NS_ASSERTION(replaceCount == 1, "Unexpected number of \"h\" occurrences");
   1.195 +    replaceCount = CFStringFindAndReplace(newFormat,
   1.196 +                                          CFSTR("a"), CFSTR(""),
   1.197 +                                          CFRangeMake(0, CFStringGetLength(newFormat)),	
   1.198 +                                          0);
   1.199 +    NS_ASSERTION(replaceCount == 1, "Unexpected number of \"a\" occurrences");
   1.200 +    CFDateFormatterSetFormat(formatter, newFormat);
   1.201 +    CFRelease(newFormat); // note we don't own oldFormat
   1.202 +  }
   1.203 +  
   1.204 +  // Now get the formatted date:
   1.205 +  CFGregorianDate date;
   1.206 +  date.second = tmTime->tm_sec;
   1.207 +  date.minute = tmTime->tm_min;
   1.208 +  date.hour = tmTime->tm_hour;
   1.209 +  date.day = tmTime->tm_mday;      // Mac is 1-based, tm is 1-based
   1.210 +  date.month = tmTime->tm_mon + 1; // Mac is 1-based, tm is 0-based
   1.211 +  date.year = tmTime->tm_year + 1900;
   1.212 +
   1.213 +  CFTimeZoneRef timeZone = CFTimeZoneCopySystem(); // tmTime is in local time
   1.214 +  CFAbsoluteTime absTime = CFGregorianDateGetAbsoluteTime(date, timeZone);
   1.215 +  CFRelease(timeZone);
   1.216 +
   1.217 +  CFStringRef formattedDate = CFDateFormatterCreateStringWithAbsoluteTime(nullptr,
   1.218 +                                                                          formatter,
   1.219 +                                                                          absTime);
   1.220 +
   1.221 +  CFIndex stringLen = CFStringGetLength(formattedDate);
   1.222 +
   1.223 +  nsAutoTArray<UniChar, 256> stringBuffer;
   1.224 +  stringBuffer.SetLength(stringLen + 1);
   1.225 +  CFStringGetCharacters(formattedDate, CFRangeMake(0, stringLen), stringBuffer.Elements());
   1.226 +  stringOut.Assign(reinterpret_cast<char16_t*>(stringBuffer.Elements()), stringLen);
   1.227 +
   1.228 +  CFRelease(formattedDate);
   1.229 +  CFRelease(formatter);
   1.230 +
   1.231 +  return res;
   1.232 +}
   1.233 +
   1.234 +// performs a locale sensitive date formatting operation on the PRTime parameter
   1.235 +nsresult nsDateTimeFormatMac::FormatPRTime(nsILocale* locale, 
   1.236 +                                           const nsDateFormatSelector  dateFormatSelector, 
   1.237 +                                           const nsTimeFormatSelector timeFormatSelector, 
   1.238 +                                           const PRTime  prTime, 
   1.239 +                                           nsAString& stringOut)
   1.240 +{
   1.241 +  PRExplodedTime explodedTime;
   1.242 +  PR_ExplodeTime(prTime, PR_LocalTimeParameters, &explodedTime);
   1.243 +
   1.244 +  return FormatPRExplodedTime(locale, dateFormatSelector, timeFormatSelector, &explodedTime, stringOut);
   1.245 +}
   1.246 +
   1.247 +// performs a locale sensitive date formatting operation on the PRExplodedTime parameter
   1.248 +nsresult nsDateTimeFormatMac::FormatPRExplodedTime(nsILocale* locale, 
   1.249 +                                                   const nsDateFormatSelector  dateFormatSelector, 
   1.250 +                                                   const nsTimeFormatSelector timeFormatSelector, 
   1.251 +                                                   const PRExplodedTime*  explodedTime, 
   1.252 +                                                   nsAString& stringOut)
   1.253 +{
   1.254 +  struct tm  tmTime;
   1.255 +  memset( &tmTime, 0, sizeof(tmTime) );
   1.256 +
   1.257 +  tmTime.tm_yday = explodedTime->tm_yday;
   1.258 +  tmTime.tm_wday = explodedTime->tm_wday;
   1.259 +  tmTime.tm_year = explodedTime->tm_year;
   1.260 +  tmTime.tm_year -= 1900;
   1.261 +  tmTime.tm_mon = explodedTime->tm_month;
   1.262 +  tmTime.tm_mday = explodedTime->tm_mday;
   1.263 +  tmTime.tm_hour = explodedTime->tm_hour;
   1.264 +  tmTime.tm_min = explodedTime->tm_min;
   1.265 +  tmTime.tm_sec = explodedTime->tm_sec;
   1.266 +
   1.267 +  return FormatTMTime(locale, dateFormatSelector, timeFormatSelector, &tmTime, stringOut);
   1.268 +}
   1.269 +

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