Add m-esr52 at 52.6.0

1 files changed, 284 insertions, 0 deletions

diff --git a/intl/locale/unix/nsDateTimeFormatUnix.cpp b/intl/locale/unix/nsDateTimeFormatUnix.cpp
new file mode 100644
index 000000000..a70b54102
--- /dev/null
+++ b/intl/locale/unix/nsDateTimeFormatUnix.cpp
@@ -0,0 +1,284 @@
+/* -*- 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 <locale.h>
+#include "plstr.h"
+#include "nsIServiceManager.h"
+#include "nsDateTimeFormatUnix.h"
+#include "nsIComponentManager.h"
+#include "nsILocaleService.h"
+#include "nsIPlatformCharset.h"
+#include "nsPosixLocale.h"
+#include "nsCRT.h"
+#include "nsReadableUtils.h"
+#include "nsUnicharUtils.h"
+#include "mozilla/dom/EncodingUtils.h"
+
+using mozilla::dom::EncodingUtils;
+
+NS_IMPL_ISUPPORTS(nsDateTimeFormatUnix, nsIDateTimeFormat)
+
+// init this interface to a specified locale
+nsresult nsDateTimeFormatUnix::Initialize(nsILocale* locale)
+{
+  nsAutoString localeStr;
+  NS_NAMED_LITERAL_STRING(aCategory, "NSILOCALE_TIME##PLATFORM");
+  nsresult res = NS_OK;
+
+  // use cached info if match with stored locale
+  if (!locale) {
+    if (!mLocale.IsEmpty() &&
+        mLocale.Equals(mAppLocale, nsCaseInsensitiveStringComparator())) {
+      return NS_OK;
+    }
+  }
+  else {
+    res = locale->GetCategory(aCategory, localeStr);
+    if (NS_SUCCEEDED(res) && !localeStr.IsEmpty()) {
+      if (!mLocale.IsEmpty() &&
+          mLocale.Equals(localeStr,
+                         nsCaseInsensitiveStringComparator())) {
+        return NS_OK;
+      }
+    }
+  }
+
+  mCharset.AssignLiteral("windows-1252");
+  mPlatformLocale.AssignLiteral("en_US");
+
+  // get locale name string, use app default if no locale specified
+  if (!locale) {
+    nsCOMPtr<nsILocaleService> localeService = 
+             do_GetService(NS_LOCALESERVICE_CONTRACTID, &res);
+    if (NS_SUCCEEDED(res)) {
+      nsCOMPtr<nsILocale> appLocale;
+      res = localeService->GetApplicationLocale(getter_AddRefs(appLocale));
+      if (NS_SUCCEEDED(res)) {
+        res = appLocale->GetCategory(aCategory, localeStr);
+        if (NS_SUCCEEDED(res) && !localeStr.IsEmpty()) {
+          NS_ASSERTION(NS_SUCCEEDED(res), "failed to get app locale info");
+          mAppLocale = localeStr; // cache app locale name
+        }
+      }
+    }
+  }
+  else {
+    res = locale->GetCategory(aCategory, localeStr);
+    NS_ASSERTION(NS_SUCCEEDED(res), "failed to get locale info");
+  }
+
+  if (NS_SUCCEEDED(res) && !localeStr.IsEmpty()) {
+    mLocale = localeStr; // cache locale name
+
+    nsPosixLocale::GetPlatformLocale(mLocale, mPlatformLocale);
+
+    nsCOMPtr <nsIPlatformCharset> platformCharset = do_GetService(NS_PLATFORMCHARSET_CONTRACTID, &res);
+    if (NS_SUCCEEDED(res)) {
+      nsAutoCString mappedCharset;
+      res = platformCharset->GetDefaultCharsetForLocale(mLocale, mappedCharset);
+      if (NS_SUCCEEDED(res)) {
+        mCharset = mappedCharset;
+      }
+    }
+  }
+
+  mDecoder = EncodingUtils::DecoderForEncoding(mCharset);
+
+  LocalePreferred24hour();
+
+  return res;
+}
+
+void nsDateTimeFormatUnix::LocalePreferred24hour()
+{
+  char str[100];
+  time_t tt;
+  struct tm *tmc;
+  int i;
+
+  tt = time(nullptr);
+  tmc = localtime(&tt);
+
+  tmc->tm_hour=22;    // put the test sample hour to 22:00 which is 10PM
+  tmc->tm_min=0;      // set the min & sec other number than '2'
+  tmc->tm_sec=0;
+
+  char *temp = setlocale(LC_TIME, mPlatformLocale.get());
+  strftime(str, (size_t)99, "%X", (struct tm *)tmc);
+
+  (void) setlocale(LC_TIME, temp);
+
+  mLocalePreferred24hour = false;
+  for (i=0; str[i]; i++) {
+    if (str[i] == '2') {    // if there is any '2', that locale use 0-23 time format
+        mLocalePreferred24hour = true;
+        break;
+    }
+  }
+
+  mLocaleAMPMfirst = true;
+  if (mLocalePreferred24hour == false) {
+    if (str[0] && str[0] == '1') { // if the first character is '1' of 10:00,
+			           // AMPM string is located after 10:00
+      mLocaleAMPMfirst = false;
+    }
+  }
+}
+
+nsresult nsDateTimeFormatUnix::FormatTime(nsILocale* locale, 
+                                      const nsDateFormatSelector  dateFormatSelector, 
+                                      const nsTimeFormatSelector timeFormatSelector, 
+                                      const time_t  timetTime, 
+                                      nsAString& stringOut) 
+{
+  struct tm tmTime;
+  memcpy(&tmTime, localtime(&timetTime), sizeof(struct tm));
+  return FormatTMTime(locale, dateFormatSelector, timeFormatSelector, &tmTime, stringOut);
+}
+
+// performs a locale sensitive date formatting operation on the struct tm parameter
+nsresult nsDateTimeFormatUnix::FormatTMTime(nsILocale* locale, 
+                                        const nsDateFormatSelector  dateFormatSelector, 
+                                        const nsTimeFormatSelector timeFormatSelector, 
+                                        const struct tm*  tmTime, 
+                                        nsAString& stringOut) 
+{
+#define NSDATETIME_FORMAT_BUFFER_LEN  80
+  char strOut[NSDATETIME_FORMAT_BUFFER_LEN*2];  // buffer for date and time
+  char fmtD[NSDATETIME_FORMAT_BUFFER_LEN], fmtT[NSDATETIME_FORMAT_BUFFER_LEN];
+  nsresult rv;
+
+  
+  // set up locale data
+  (void) Initialize(locale);
+  NS_ENSURE_TRUE(mDecoder, NS_ERROR_NOT_INITIALIZED);
+
+  // set date format
+  if (dateFormatSelector == kDateFormatLong && timeFormatSelector == kTimeFormatSeconds) {
+    PL_strncpy(fmtD, "%c", NSDATETIME_FORMAT_BUFFER_LEN);
+    PL_strncpy(fmtT, "", NSDATETIME_FORMAT_BUFFER_LEN); 
+  } else {
+
+    switch (dateFormatSelector) {
+      case kDateFormatNone:
+        PL_strncpy(fmtD, "", NSDATETIME_FORMAT_BUFFER_LEN);
+        break; 
+      case kDateFormatLong:
+      case kDateFormatShort:
+        PL_strncpy(fmtD, "%x", NSDATETIME_FORMAT_BUFFER_LEN);
+        break; 
+      case kDateFormatYearMonth:
+        PL_strncpy(fmtD, "%Y/%m", NSDATETIME_FORMAT_BUFFER_LEN);
+        break; 
+      case kDateFormatWeekday:
+        PL_strncpy(fmtD, "%a", NSDATETIME_FORMAT_BUFFER_LEN);
+        break;
+      default:
+        PL_strncpy(fmtD, "", NSDATETIME_FORMAT_BUFFER_LEN); 
+    }
+
+    // set time format
+    switch (timeFormatSelector) {
+      case kTimeFormatNone:
+        PL_strncpy(fmtT, "", NSDATETIME_FORMAT_BUFFER_LEN); 
+        break;
+      case kTimeFormatSeconds:
+        PL_strncpy(fmtT, "%X", NSDATETIME_FORMAT_BUFFER_LEN);
+        break;
+      case kTimeFormatNoSeconds:
+        PL_strncpy(fmtT, 
+                   mLocalePreferred24hour ? "%H:%M" : mLocaleAMPMfirst ? "%p %I:%M" : "%I:%M %p", 
+                   NSDATETIME_FORMAT_BUFFER_LEN);
+        break;
+      case kTimeFormatSecondsForce24Hour:
+        PL_strncpy(fmtT, "%H:%M:%S", NSDATETIME_FORMAT_BUFFER_LEN);
+        break;
+      case kTimeFormatNoSecondsForce24Hour:
+        PL_strncpy(fmtT, "%H:%M", NSDATETIME_FORMAT_BUFFER_LEN);
+        break;
+      default:
+        PL_strncpy(fmtT, "", NSDATETIME_FORMAT_BUFFER_LEN); 
+    }
+  }
+
+  // generate data/time string
+  char *old_locale = setlocale(LC_TIME, nullptr);
+  (void) setlocale(LC_TIME, mPlatformLocale.get());
+  if (strlen(fmtD) && strlen(fmtT)) {
+    PL_strncat(fmtD, " ", NSDATETIME_FORMAT_BUFFER_LEN);
+    PL_strncat(fmtD, fmtT, NSDATETIME_FORMAT_BUFFER_LEN);
+    strftime(strOut, NSDATETIME_FORMAT_BUFFER_LEN, fmtD, tmTime);
+  }
+  else if (strlen(fmtD) && !strlen(fmtT)) {
+    strftime(strOut, NSDATETIME_FORMAT_BUFFER_LEN, fmtD, tmTime);
+  }
+  else if (!strlen(fmtD) && strlen(fmtT)) {
+    strftime(strOut, NSDATETIME_FORMAT_BUFFER_LEN, fmtT, tmTime);
+  }
+  else {
+    PL_strncpy(strOut, "", NSDATETIME_FORMAT_BUFFER_LEN);
+  }
+  (void) setlocale(LC_TIME, old_locale);
+
+  // convert result to unicode
+  int32_t srcLength = (int32_t) strlen(strOut);
+  int32_t unicharLength = NSDATETIME_FORMAT_BUFFER_LEN*2;
+  char16_t unichars[NSDATETIME_FORMAT_BUFFER_LEN*2];   // buffer for date and time
+
+  rv = mDecoder->Convert(strOut, &srcLength, unichars, &unicharLength);
+  if (NS_FAILED(rv))
+    return rv;
+  stringOut.Assign(unichars, unicharLength);
+
+  return rv;
+}
+
+// performs a locale sensitive date formatting operation on the PRTime parameter
+nsresult nsDateTimeFormatUnix::FormatPRTime(nsILocale* locale, 
+                                           const nsDateFormatSelector  dateFormatSelector, 
+                                           const nsTimeFormatSelector timeFormatSelector, 
+                                           const PRTime  prTime, 
+                                           nsAString& stringOut)
+{
+  PRExplodedTime explodedTime;
+  PR_ExplodeTime(prTime, PR_LocalTimeParameters, &explodedTime);
+
+  return FormatPRExplodedTime(locale, dateFormatSelector, timeFormatSelector, &explodedTime, stringOut);
+}
+
+// performs a locale sensitive date formatting operation on the PRExplodedTime parameter
+nsresult nsDateTimeFormatUnix::FormatPRExplodedTime(nsILocale* locale, 
+                                                   const nsDateFormatSelector  dateFormatSelector, 
+                                                   const nsTimeFormatSelector timeFormatSelector, 
+                                                   const PRExplodedTime*  explodedTime, 
+                                                   nsAString& stringOut)
+{
+  struct tm  tmTime;
+  /* be safe and set all members of struct tm to zero
+   *
+   * there are other fields in the tm struct that we aren't setting
+   * (tm_isdst, tm_gmtoff, tm_zone, should we set these?) and since
+   * tmTime is on the stack, it may be filled with garbage, but
+   * the garbage may vary.  (this may explain why some saw bug #10412, and
+   * others did not.
+   *
+   * when tmTime is passed to strftime() with garbage bad things may happen. 
+   * see bug #10412
+   */
+  memset( &tmTime, 0, sizeof(tmTime) );
+
+  tmTime.tm_yday = explodedTime->tm_yday;
+  tmTime.tm_wday = explodedTime->tm_wday;
+  tmTime.tm_year = explodedTime->tm_year;
+  tmTime.tm_year -= 1900;
+  tmTime.tm_mon = explodedTime->tm_month;
+  tmTime.tm_mday = explodedTime->tm_mday;
+  tmTime.tm_hour = explodedTime->tm_hour;
+  tmTime.tm_min = explodedTime->tm_min;
+  tmTime.tm_sec = explodedTime->tm_sec;
+
+  return FormatTMTime(locale, dateFormatSelector, timeFormatSelector, &tmTime, stringOut);
+}
+