]> git.saurik.com Git - apple/icu.git/blobdiff - icuSources/i18n/dtfmtsym.cpp
ICU-64260.0.1.tar.gz
[apple/icu.git] / icuSources / i18n / dtfmtsym.cpp
index 61755b05ca9fa274c9bbfcd0592269326776c046..93105e0fe0fab585eb9482e180b9ef2bde879e07 100644 (file)
@@ -1,6 +1,8 @@
+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
 /*
 *******************************************************************************
-* Copyright (C) 1997-2008, International Business Machines Corporation and    *
+* Copyright (C) 1997-2016, International Business Machines Corporation and    *
 * others. All Rights Reserved.                                                *
 *******************************************************************************
 *
 *   10/12/05    emmons      Added setters for eraNames, month/day by width/context
 *******************************************************************************
 */
+
+#include <utility>
+
 #include "unicode/utypes.h"
 
 #if !UCONFIG_NO_FORMATTING
 #include "unicode/ustring.h"
+#include "unicode/localpointer.h"
 #include "unicode/dtfmtsym.h"
 #include "unicode/smpdtfmt.h"
 #include "unicode/msgfmt.h"
+#include "unicode/numsys.h"
+#include "unicode/tznames.h"
 #include "cpputils.h"
-#include "ucln_in.h"
 #include "umutex.h"
 #include "cmemory.h"
 #include "cstring.h"
+#include "charstr.h"
+#include "dt_impl.h"
 #include "locbased.h"
 #include "gregoimp.h"
 #include "hash.h"
+#include "uassert.h"
 #include "uresimp.h"
-#include "zstrfmt.h"
+#include "ureslocs.h"
+#include "uvector.h"
+#include "shareddateformatsymbols.h"
+#include "unicode/calendar.h"
+#include "unifiedcache.h"
 
 // *****************************************************************************
 // class DateFormatSymbols
 // *****************************************************************************
+
 /**
  * These are static arrays we use only in the case where we have no
  * resource data.
  */
 
-#define PATTERN_CHARS_LEN 30
+#if UDAT_HAS_PATTERN_CHAR_FOR_TIME_SEPARATOR
+#define PATTERN_CHARS_LEN 38
+#else
+#define PATTERN_CHARS_LEN 37
+#endif
 
 /**
  * Unlocalized date-time pattern characters. For example: 'y', 'd', etc. All
  * locales use the same these unlocalized pattern characters.
  */
 static const UChar gPatternChars[] = {
-    // GyMdkHmsSEDFwWahKzYeugAZvcLQqV
+    // if UDAT_HAS_PATTERN_CHAR_FOR_TIME_SEPARATOR:
+    //   GyMdkHmsSEDFwWahKzYeugAZvcLQqVUOXxrbB:
+    // else:
+    //   GyMdkHmsSEDFwWahKzYeugAZvcLQqVUOXxrbB
+
     0x47, 0x79, 0x4D, 0x64, 0x6B, 0x48, 0x6D, 0x73, 0x53, 0x45,
     0x44, 0x46, 0x77, 0x57, 0x61, 0x68, 0x4B, 0x7A, 0x59, 0x65,
-    0x75, 0x67, 0x41, 0x5A, 0x76, 0x63, 0x4c, 0x51, 0x71, 0x56, 0
+    0x75, 0x67, 0x41, 0x5A, 0x76, 0x63, 0x4c, 0x51, 0x71, 0x56,
+    0x55, 0x4F, 0x58, 0x78, 0x72, 0x62, 0x42,
+#if UDAT_HAS_PATTERN_CHAR_FOR_TIME_SEPARATOR
+    0x3a,
+#endif
+    0
 };
 
-/* length of an array */
-#define ARRAY_LENGTH(array) (sizeof(array)/sizeof(array[0]))
-
 //------------------------------------------------------
 // Strings of last resort.  These are only used if we have no resource
 // files.  They aren't designed for actual use, just for backup.
@@ -118,30 +143,6 @@ static const UChar gLastResortEras[2][3] =
     {0x0041, 0x0044, 0x0000}  /* "AD" */
 };
 
-
-// These are the zone strings of last resort.
-static const UChar gLastResortZoneStrings[7][4] =
-{
-    {0x0047, 0x004D, 0x0054, 0x0000}, /* "GMT" */
-    {0x0047, 0x004D, 0x0054, 0x0000}, /* "GMT" */
-    {0x0047, 0x004D, 0x0054, 0x0000}, /* "GMT" */
-    {0x0047, 0x004D, 0x0054, 0x0000}, /* "GMT" */
-    {0x0047, 0x004D, 0x0054, 0x0000}, /* "GMT" */
-    {0x0047, 0x004D, 0x0054, 0x0000}, /* "GMT" */
-    {0x0047, 0x004D, 0x0054, 0x0000}  /* "GMT" */
-};
-
-static const UChar gLastResortGmtFormat[] =
-    {0x0047, 0x004D, 0x0054, 0x007B, 0x0030, 0x007D, 0x0000}; /* GMT{0} */
-
-static const UChar gLastResortGmtHourFormats[4][10] =
-{
-    {0x002D, 0x0048, 0x0048, 0x003A, 0x006D, 0x006D, 0x003A, 0x0073, 0x0073, 0x0000}, /* -HH:mm:ss */
-    {0x002D, 0x0048, 0x0048, 0x003A, 0x006D, 0x006D, 0x0000, 0x0000, 0x0000, 0x0000}, /* -HH:mm */
-    {0x002B, 0x0048, 0x0048, 0x003A, 0x006D, 0x006D, 0x003A, 0x0073, 0x0073, 0x0000}, /* +HH:mm:ss */
-    {0x002B, 0x0048, 0x0048, 0x003A, 0x006D, 0x006D, 0x0000, 0x0000, 0x0000, 0x0000}  /* +HH:mm */
-};
-
 /* Sizes for the last resort string arrays */
 typedef enum LastResortSize {
     kMonthNum = 13,
@@ -168,6 +169,32 @@ typedef enum LastResortSize {
 
 U_NAMESPACE_BEGIN
 
+SharedDateFormatSymbols::~SharedDateFormatSymbols() {
+}
+
+template<> U_I18N_API
+const SharedDateFormatSymbols *
+        LocaleCacheKey<SharedDateFormatSymbols>::createObject(
+                const void * /*unusedContext*/, UErrorCode &status) const {
+    char type[256];
+    Calendar::getCalendarTypeFromLocale(fLoc, type, UPRV_LENGTHOF(type), status);
+    if (U_FAILURE(status)) {
+        return NULL;
+    }
+    SharedDateFormatSymbols *shared
+            = new SharedDateFormatSymbols(fLoc, type, status);
+    if (shared == NULL) {
+        status = U_MEMORY_ALLOCATION_ERROR;
+        return NULL;
+    }
+    if (U_FAILURE(status)) {
+        delete shared;
+        return NULL;
+    }
+    shared->addRef();
+    return shared;
+}
+
 UOBJECT_DEFINE_RTTI_IMPLEMENTATION(DateFormatSymbols)
 
 #define kSUPPLEMENTAL "supplementalData"
@@ -176,23 +203,37 @@ UOBJECT_DEFINE_RTTI_IMPLEMENTATION(DateFormatSymbols)
  * These are the tags we expect to see in normal resource bundle files associated
  * with a locale and calendar
  */
+static const char gCalendarTag[]="calendar";
+static const char gGregorianTag[]="gregorian";
 static const char gErasTag[]="eras";
+static const char gCyclicNameSetsTag[]="cyclicNameSets";
+static const char gNameSetYearsTag[]="years";
+static const char gNameSetZodiacsTag[]="zodiacs";
 static const char gMonthNamesTag[]="monthNames";
+static const char gMonthPatternsTag[]="monthPatterns";
 static const char gDayNamesTag[]="dayNames";
 static const char gNamesWideTag[]="wide";
 static const char gNamesAbbrTag[]="abbreviated";
+static const char gNamesShortTag[]="short";
 static const char gNamesNarrowTag[]="narrow";
+static const char gNamesAllTag[]="all";
+static const char gNamesFormatTag[]="format";
 static const char gNamesStandaloneTag[]="stand-alone";
+static const char gNamesNumericTag[]="numeric";
 static const char gAmPmMarkersTag[]="AmPmMarkers";
+static const char gAmPmMarkersAbbrTag[]="AmPmMarkersAbbr";
+static const char gAmPmMarkersNarrowTag[]="AmPmMarkersNarrow";
 static const char gQuartersTag[]="quarters";
+static const char gNumberElementsTag[]="NumberElements";
+static const char gSymbolsTag[]="symbols";
+static const char gTimeSeparatorTag[]="timeSeparator";
+static const char gDayPeriodTag[]="dayPeriod";
 
-static const char gZoneStringsTag[]="zoneStrings";
-static const char gGmtFormatTag[]="gmtFormat";
-static const char gHourFormatTag[]="hourFormat";
+// static const char gZoneStringsTag[]="zoneStrings";
 
-static const char gLocalPatternCharsTag[]="localPatternChars";
+// static const char gLocalPatternCharsTag[]="localPatternChars";
 
-static UMTX LOCK;
+static const char gContextTransformsTag[]="contextTransforms";
 
 /**
  * Jitterbug 2974: MSVC has a bug whereby new X[0] behaves badly.
@@ -204,6 +245,23 @@ static inline UnicodeString* newUnicodeStringArray(size_t count) {
 
 //------------------------------------------------------
 
+DateFormatSymbols * U_EXPORT2
+DateFormatSymbols::createForLocale(
+        const Locale& locale, UErrorCode &status) {
+    const SharedDateFormatSymbols *shared = NULL;
+    UnifiedCache::getByLocale(locale, shared, status);
+    if (U_FAILURE(status)) {
+        return NULL;
+    }
+    DateFormatSymbols *result = new DateFormatSymbols(shared->get());
+    shared->removeRef();
+    if (result == NULL) {
+        status = U_MEMORY_ALLOCATION_ERROR;
+        return NULL;
+    }
+    return result;
+}
+
 DateFormatSymbols::DateFormatSymbols(const Locale& locale,
                                      UErrorCode& status)
     : UObject()
@@ -244,8 +302,8 @@ DateFormatSymbols::assignArray(UnicodeString*& dstArray,
                                const UnicodeString* srcArray,
                                int32_t srcCount)
 {
-    // assignArray() is only called by copyData(), which in turn implements the
-    // copy constructor and the assignment operator.
+    // assignArray() is only called by copyData() and initializeData(), which in turn
+    // implements the copy constructor and the assignment operator.
     // All strings in a DateFormatSymbols object are created in one of the following
     // three ways that all allow to safely use UnicodeString::fastCopyFrom():
     // - readonly-aliases from resource bundles
@@ -307,6 +365,11 @@ DateFormatSymbols::createZoneStrings(const UnicodeString *const * otherStrings)
  */
 void
 DateFormatSymbols::copyData(const DateFormatSymbols& other) {
+    UErrorCode status = U_ZERO_ERROR;
+    U_LOCALE_BASED(locBased, *this);
+    locBased.setLocaleIDs(
+        other.getLocale(ULOC_VALID_LOCALE, status),
+        other.getLocale(ULOC_ACTUAL_LOCALE, status));
     assignArray(fEras, fErasCount, other.fEras, other.fErasCount);
     assignArray(fEraNames, fEraNamesCount, other.fEraNames, other.fEraNamesCount);
     assignArray(fNarrowEras, fNarrowErasCount, other.fNarrowEras, other.fNarrowErasCount);
@@ -318,18 +381,50 @@ DateFormatSymbols::copyData(const DateFormatSymbols& other) {
     assignArray(fStandaloneNarrowMonths, fStandaloneNarrowMonthsCount, other.fStandaloneNarrowMonths, other.fStandaloneNarrowMonthsCount);
     assignArray(fWeekdays, fWeekdaysCount, other.fWeekdays, other.fWeekdaysCount);
     assignArray(fShortWeekdays, fShortWeekdaysCount, other.fShortWeekdays, other.fShortWeekdaysCount);
+    assignArray(fShorterWeekdays, fShorterWeekdaysCount, other.fShorterWeekdays, other.fShorterWeekdaysCount);
     assignArray(fNarrowWeekdays, fNarrowWeekdaysCount, other.fNarrowWeekdays, other.fNarrowWeekdaysCount);
     assignArray(fStandaloneWeekdays, fStandaloneWeekdaysCount, other.fStandaloneWeekdays, other.fStandaloneWeekdaysCount);
     assignArray(fStandaloneShortWeekdays, fStandaloneShortWeekdaysCount, other.fStandaloneShortWeekdays, other.fStandaloneShortWeekdaysCount);
+    assignArray(fStandaloneShorterWeekdays, fStandaloneShorterWeekdaysCount, other.fStandaloneShorterWeekdays, other.fStandaloneShorterWeekdaysCount);
     assignArray(fStandaloneNarrowWeekdays, fStandaloneNarrowWeekdaysCount, other.fStandaloneNarrowWeekdays, other.fStandaloneNarrowWeekdaysCount);
     assignArray(fAmPms, fAmPmsCount, other.fAmPms, other.fAmPmsCount);
+    assignArray(fNarrowAmPms, fNarrowAmPmsCount, other.fNarrowAmPms, other.fNarrowAmPmsCount );
+    fTimeSeparator.fastCopyFrom(other.fTimeSeparator);  // fastCopyFrom() - see assignArray comments
     assignArray(fQuarters, fQuartersCount, other.fQuarters, other.fQuartersCount);
     assignArray(fShortQuarters, fShortQuartersCount, other.fShortQuarters, other.fShortQuartersCount);
     assignArray(fStandaloneQuarters, fStandaloneQuartersCount, other.fStandaloneQuarters, other.fStandaloneQuartersCount);
     assignArray(fStandaloneShortQuarters, fStandaloneShortQuartersCount, other.fStandaloneShortQuarters, other.fStandaloneShortQuartersCount);
-    fGmtFormat = other.fGmtFormat;
-    assignArray(fGmtHourFormats, fGmtHourFormatsCount, other.fGmtHourFormats, other.fGmtHourFormatsCount);
+    assignArray(fWideDayPeriods, fWideDayPeriodsCount,
+                other.fWideDayPeriods, other.fWideDayPeriodsCount);
+    assignArray(fNarrowDayPeriods, fNarrowDayPeriodsCount,
+                other.fNarrowDayPeriods, other.fNarrowDayPeriodsCount);
+    assignArray(fAbbreviatedDayPeriods, fAbbreviatedDayPeriodsCount,
+                other.fAbbreviatedDayPeriods, other.fAbbreviatedDayPeriodsCount);
+    assignArray(fStandaloneWideDayPeriods, fStandaloneWideDayPeriodsCount,
+                other.fStandaloneWideDayPeriods, other.fStandaloneWideDayPeriodsCount);
+    assignArray(fStandaloneNarrowDayPeriods, fStandaloneNarrowDayPeriodsCount,
+                other.fStandaloneNarrowDayPeriods, other.fStandaloneNarrowDayPeriodsCount);
+    assignArray(fStandaloneAbbreviatedDayPeriods, fStandaloneAbbreviatedDayPeriodsCount,
+                other.fStandaloneAbbreviatedDayPeriods, other.fStandaloneAbbreviatedDayPeriodsCount);
+    if (other.fLeapMonthPatterns != NULL) {
+        assignArray(fLeapMonthPatterns, fLeapMonthPatternsCount, other.fLeapMonthPatterns, other.fLeapMonthPatternsCount);
+    } else {
+        fLeapMonthPatterns = NULL;
+        fLeapMonthPatternsCount = 0;
+    }
+    if (other.fShortYearNames != NULL) {
+        assignArray(fShortYearNames, fShortYearNamesCount, other.fShortYearNames, other.fShortYearNamesCount);
+    } else {
+        fShortYearNames = NULL;
+        fShortYearNamesCount = 0;
+    }
+    if (other.fShortZodiacNames != NULL) {
+        assignArray(fShortZodiacNames, fShortZodiacNamesCount, other.fShortZodiacNames, other.fShortZodiacNamesCount);
+    } else {
+        fShortZodiacNames = NULL;
+        fShortZodiacNamesCount = 0;
+    }
+
     if (other.fZoneStrings != NULL) {
         fZoneStringsColCount = other.fZoneStringsColCount;
         fZoneStringsRowCount = other.fZoneStringsRowCount;
@@ -342,13 +437,12 @@ DateFormatSymbols::copyData(const DateFormatSymbols& other) {
     }
     fZSFLocale = other.fZSFLocale;
     // Other zone strings data is created on demand
-    fZoneStringFormat = NULL;
     fLocaleZoneStrings = NULL;
-    fZSFCachePtr = NULL;
-    fZSFLocal = NULL;
 
     // fastCopyFrom() - see assignArray comments
     fLocalPatternChars.fastCopyFrom(other.fLocalPatternChars);
+
+    uprv_memcpy(fCapitalization, other.fCapitalization, sizeof(fCapitalization));
 }
 
 /**
@@ -369,27 +463,38 @@ DateFormatSymbols::~DateFormatSymbols()
 
 void DateFormatSymbols::dispose()
 {
-    if (fEras)                     delete[] fEras;
-    if (fEraNames)                 delete[] fEraNames;
-    if (fNarrowEras)               delete[] fNarrowEras;
-    if (fMonths)                   delete[] fMonths;
-    if (fShortMonths)              delete[] fShortMonths;
-    if (fNarrowMonths)             delete[] fNarrowMonths;
-    if (fStandaloneMonths)         delete[] fStandaloneMonths;
-    if (fStandaloneShortMonths)    delete[] fStandaloneShortMonths;
-    if (fStandaloneNarrowMonths)   delete[] fStandaloneNarrowMonths;
-    if (fWeekdays)                 delete[] fWeekdays;
-    if (fShortWeekdays)            delete[] fShortWeekdays;
-    if (fNarrowWeekdays)           delete[] fNarrowWeekdays;
-    if (fStandaloneWeekdays)       delete[] fStandaloneWeekdays;
-    if (fStandaloneShortWeekdays)  delete[] fStandaloneShortWeekdays;
-    if (fStandaloneNarrowWeekdays) delete[] fStandaloneNarrowWeekdays;
-    if (fAmPms)                    delete[] fAmPms;
-    if (fQuarters)                 delete[] fQuarters;
-    if (fShortQuarters)            delete[] fShortQuarters;
-    if (fStandaloneQuarters)       delete[] fStandaloneQuarters;
-    if (fStandaloneShortQuarters)  delete[] fStandaloneShortQuarters;
-    if (fGmtHourFormats)           delete[] fGmtHourFormats;
+    delete[] fEras;
+    delete[] fEraNames;
+    delete[] fNarrowEras;
+    delete[] fMonths;
+    delete[] fShortMonths;
+    delete[] fNarrowMonths;
+    delete[] fStandaloneMonths;
+    delete[] fStandaloneShortMonths;
+    delete[] fStandaloneNarrowMonths;
+    delete[] fWeekdays;
+    delete[] fShortWeekdays;
+    delete[] fShorterWeekdays;
+    delete[] fNarrowWeekdays;
+    delete[] fStandaloneWeekdays;
+    delete[] fStandaloneShortWeekdays;
+    delete[] fStandaloneShorterWeekdays;
+    delete[] fStandaloneNarrowWeekdays;
+    delete[] fAmPms;
+    delete[] fNarrowAmPms;
+    delete[] fQuarters;
+    delete[] fShortQuarters;
+    delete[] fStandaloneQuarters;
+    delete[] fStandaloneShortQuarters;
+    delete[] fLeapMonthPatterns;
+    delete[] fShortYearNames;
+    delete[] fShortZodiacNames;
+    delete[] fAbbreviatedDayPeriods;
+    delete[] fWideDayPeriods;
+    delete[] fNarrowDayPeriods;
+    delete[] fStandaloneAbbreviatedDayPeriods;
+    delete[] fStandaloneWideDayPeriods;
+    delete[] fStandaloneNarrowDayPeriods;
 
     disposeZoneStrings();
 }
@@ -408,21 +513,11 @@ void DateFormatSymbols::disposeZoneStrings()
         }
         uprv_free(fLocaleZoneStrings);
     }
-    if (fZSFLocal) {
-        delete fZSFLocal;
-    }
-    if (fZSFCachePtr) {
-        delete fZSFCachePtr;
-    }
 
     fZoneStrings = NULL;
     fLocaleZoneStrings = NULL;
     fZoneStringsRowCount = 0;
     fZoneStringsColCount = 0;
-
-    fZoneStringFormat = NULL;
-    fZSFLocal = NULL;
-    fZSFCachePtr = NULL;
 }
 
 UBool
@@ -457,17 +552,28 @@ DateFormatSymbols::operator==(const DateFormatSymbols& other) const
         fStandaloneNarrowMonthsCount == other.fStandaloneNarrowMonthsCount &&
         fWeekdaysCount == other.fWeekdaysCount &&
         fShortWeekdaysCount == other.fShortWeekdaysCount &&
+        fShorterWeekdaysCount == other.fShorterWeekdaysCount &&
         fNarrowWeekdaysCount == other.fNarrowWeekdaysCount &&
         fStandaloneWeekdaysCount == other.fStandaloneWeekdaysCount &&
         fStandaloneShortWeekdaysCount == other.fStandaloneShortWeekdaysCount &&
+        fStandaloneShorterWeekdaysCount == other.fStandaloneShorterWeekdaysCount &&
         fStandaloneNarrowWeekdaysCount == other.fStandaloneNarrowWeekdaysCount &&
         fAmPmsCount == other.fAmPmsCount &&
+        fNarrowAmPmsCount == other.fNarrowAmPmsCount &&
         fQuartersCount == other.fQuartersCount &&
         fShortQuartersCount == other.fShortQuartersCount &&
         fStandaloneQuartersCount == other.fStandaloneQuartersCount &&
         fStandaloneShortQuartersCount == other.fStandaloneShortQuartersCount &&
-        fGmtHourFormatsCount == other.fGmtHourFormatsCount &&
-        fGmtFormat == other.fGmtFormat)
+        fLeapMonthPatternsCount == other.fLeapMonthPatternsCount &&
+        fShortYearNamesCount == other.fShortYearNamesCount &&
+        fShortZodiacNamesCount == other.fShortZodiacNamesCount &&
+        fAbbreviatedDayPeriodsCount == other.fAbbreviatedDayPeriodsCount &&
+        fWideDayPeriodsCount == other.fWideDayPeriodsCount &&
+        fNarrowDayPeriodsCount == other.fNarrowDayPeriodsCount &&
+        fStandaloneAbbreviatedDayPeriodsCount == other.fStandaloneAbbreviatedDayPeriodsCount &&
+        fStandaloneWideDayPeriodsCount == other.fStandaloneWideDayPeriodsCount &&
+        fStandaloneNarrowDayPeriodsCount == other.fStandaloneNarrowDayPeriodsCount &&
+        (uprv_memcmp(fCapitalization, other.fCapitalization, sizeof(fCapitalization))==0))
     {
         // Now compare the arrays themselves
         if (arrayCompare(fEras, other.fEras, fErasCount) &&
@@ -481,16 +587,31 @@ DateFormatSymbols::operator==(const DateFormatSymbols& other) const
             arrayCompare(fStandaloneNarrowMonths, other.fStandaloneNarrowMonths, fStandaloneNarrowMonthsCount) &&
             arrayCompare(fWeekdays, other.fWeekdays, fWeekdaysCount) &&
             arrayCompare(fShortWeekdays, other.fShortWeekdays, fShortWeekdaysCount) &&
+            arrayCompare(fShorterWeekdays, other.fShorterWeekdays, fShorterWeekdaysCount) &&
             arrayCompare(fNarrowWeekdays, other.fNarrowWeekdays, fNarrowWeekdaysCount) &&
             arrayCompare(fStandaloneWeekdays, other.fStandaloneWeekdays, fStandaloneWeekdaysCount) &&
             arrayCompare(fStandaloneShortWeekdays, other.fStandaloneShortWeekdays, fStandaloneShortWeekdaysCount) &&
+            arrayCompare(fStandaloneShorterWeekdays, other.fStandaloneShorterWeekdays, fStandaloneShorterWeekdaysCount) &&
             arrayCompare(fStandaloneNarrowWeekdays, other.fStandaloneNarrowWeekdays, fStandaloneNarrowWeekdaysCount) &&
             arrayCompare(fAmPms, other.fAmPms, fAmPmsCount) &&
+            arrayCompare(fNarrowAmPms, other.fNarrowAmPms, fNarrowAmPmsCount) &&
+            fTimeSeparator == other.fTimeSeparator &&
             arrayCompare(fQuarters, other.fQuarters, fQuartersCount) &&
             arrayCompare(fShortQuarters, other.fShortQuarters, fShortQuartersCount) &&
             arrayCompare(fStandaloneQuarters, other.fStandaloneQuarters, fStandaloneQuartersCount) &&
             arrayCompare(fStandaloneShortQuarters, other.fStandaloneShortQuarters, fStandaloneShortQuartersCount) &&
-            arrayCompare(fGmtHourFormats, other.fGmtHourFormats, fGmtHourFormatsCount))
+            arrayCompare(fLeapMonthPatterns, other.fLeapMonthPatterns, fLeapMonthPatternsCount) &&
+            arrayCompare(fShortYearNames, other.fShortYearNames, fShortYearNamesCount) &&
+            arrayCompare(fShortZodiacNames, other.fShortZodiacNames, fShortZodiacNamesCount) &&
+            arrayCompare(fAbbreviatedDayPeriods, other.fAbbreviatedDayPeriods, fAbbreviatedDayPeriodsCount) &&
+            arrayCompare(fWideDayPeriods, other.fWideDayPeriods, fWideDayPeriodsCount) &&
+            arrayCompare(fNarrowDayPeriods, other.fNarrowDayPeriods, fNarrowDayPeriodsCount) &&
+            arrayCompare(fStandaloneAbbreviatedDayPeriods, other.fStandaloneAbbreviatedDayPeriods,
+                         fStandaloneAbbreviatedDayPeriodsCount) &&
+            arrayCompare(fStandaloneWideDayPeriods, other.fStandaloneWideDayPeriods,
+                         fStandaloneWideDayPeriodsCount) &&
+            arrayCompare(fStandaloneNarrowDayPeriods, other.fStandaloneNarrowDayPeriods,
+                         fStandaloneWideDayPeriodsCount))
         {
             // Compare the contents of fZoneStrings
             if (fZoneStrings == NULL && other.fZoneStrings == NULL) {
@@ -563,6 +684,7 @@ DateFormatSymbols::getMonths(int32_t &count, DtContextType context, DtWidthType
             returnValue = fMonths;
             break;
         case ABBREVIATED :
+        case SHORT : // no month data for this, defaults to ABBREVIATED
             count = fShortMonthsCount;
             returnValue = fShortMonths;
             break;
@@ -581,6 +703,7 @@ DateFormatSymbols::getMonths(int32_t &count, DtContextType context, DtWidthType
             returnValue = fStandaloneMonths;
             break;
         case ABBREVIATED :
+        case SHORT : // no month data for this, defaults to ABBREVIATED
             count = fStandaloneShortMonthsCount;
             returnValue = fStandaloneShortMonths;
             break;
@@ -627,6 +750,10 @@ DateFormatSymbols::getWeekdays(int32_t &count, DtContextType context, DtWidthTyp
                 count = fShortWeekdaysCount;
                 returnValue = fShortWeekdays;
                 break;
+            case SHORT :
+                count = fShorterWeekdaysCount;
+                returnValue = fShorterWeekdays;
+                break;
             case NARROW :
                 count = fNarrowWeekdaysCount;
                 returnValue = fNarrowWeekdays;
@@ -645,6 +772,10 @@ DateFormatSymbols::getWeekdays(int32_t &count, DtContextType context, DtWidthTyp
                 count = fStandaloneShortWeekdaysCount;
                 returnValue = fStandaloneShortWeekdays;
                 break;
+            case SHORT :
+                count = fStandaloneShorterWeekdaysCount;
+                returnValue = fStandaloneShorterWeekdays;
+                break;
             case NARROW :
                 count = fStandaloneNarrowWeekdaysCount;
                 returnValue = fStandaloneNarrowWeekdays;
@@ -672,6 +803,7 @@ DateFormatSymbols::getQuarters(int32_t &count, DtContextType context, DtWidthTyp
             returnValue = fQuarters;
             break;
         case ABBREVIATED :
+        case SHORT : // no quarter data for this, defaults to ABBREVIATED
             count = fShortQuartersCount;
             returnValue = fShortQuarters;
             break;
@@ -690,6 +822,7 @@ DateFormatSymbols::getQuarters(int32_t &count, DtContextType context, DtWidthTyp
             returnValue = fStandaloneQuarters;
             break;
         case ABBREVIATED :
+        case SHORT : // no quarter data for this, defaults to ABBREVIATED
             count = fStandaloneShortQuartersCount;
             returnValue = fStandaloneShortQuarters;
             break;
@@ -707,6 +840,13 @@ DateFormatSymbols::getQuarters(int32_t &count, DtContextType context, DtWidthTyp
     return returnValue;
 }
 
+UnicodeString&
+DateFormatSymbols::getTimeSeparatorString(UnicodeString& result) const
+{
+    // fastCopyFrom() - see assignArray comments
+    return result.fastCopyFrom(fTimeSeparator);
+}
+
 const UnicodeString*
 DateFormatSymbols::getAmPmStrings(int32_t &count) const
 {
@@ -714,6 +854,57 @@ DateFormatSymbols::getAmPmStrings(int32_t &count) const
     return fAmPms;
 }
 
+const UnicodeString*
+DateFormatSymbols::getLeapMonthPatterns(int32_t &count) const
+{
+    count = fLeapMonthPatternsCount;
+    return fLeapMonthPatterns;
+}
+
+const UnicodeString*
+DateFormatSymbols::getYearNames(int32_t& count,
+                                DtContextType /*ignored*/, DtWidthType /*ignored*/) const
+{
+    count = fShortYearNamesCount;
+    return fShortYearNames;
+}
+
+void
+DateFormatSymbols::setYearNames(const UnicodeString* yearNames, int32_t count,
+                                DtContextType context, DtWidthType width)
+{
+    if (context == FORMAT && width == ABBREVIATED) {
+        if (fShortYearNames) {
+            delete[] fShortYearNames;
+        }
+        fShortYearNames = newUnicodeStringArray(count);
+        uprv_arrayCopy(yearNames, fShortYearNames, count);
+        fShortYearNamesCount = count;
+    }
+}
+
+const UnicodeString*
+DateFormatSymbols::getZodiacNames(int32_t& count,
+                                DtContextType /*ignored*/, DtWidthType /*ignored*/) const
+{
+    count = fShortZodiacNamesCount;
+    return fShortZodiacNames;
+}
+
+void
+DateFormatSymbols::setZodiacNames(const UnicodeString* zodiacNames, int32_t count,
+                                DtContextType context, DtWidthType width)
+{
+    if (context == FORMAT && width == ABBREVIATED) {
+        if (fShortZodiacNames) {
+            delete[] fShortZodiacNames;
+        }
+        fShortZodiacNames = newUnicodeStringArray(count);
+        uprv_arrayCopy(zodiacNames, fShortZodiacNames, count);
+        fShortZodiacNamesCount = count;
+    }
+}
+
 //------------------------------------------------------
 
 void
@@ -816,8 +1007,8 @@ DateFormatSymbols::setMonths(const UnicodeString* monthsArray, int32_t count, Dt
             fNarrowMonths = newUnicodeStringArray(count);
             uprv_arrayCopy( monthsArray,fNarrowMonths,count);
             fNarrowMonthsCount = count;
-            break; 
-        case DT_WIDTH_COUNT :
+            break;
+        default :
             break;
         }
         break;
@@ -843,8 +1034,8 @@ DateFormatSymbols::setMonths(const UnicodeString* monthsArray, int32_t count, Dt
             fStandaloneNarrowMonths = newUnicodeStringArray(count);
             uprv_arrayCopy( monthsArray,fStandaloneNarrowMonths,count);
             fStandaloneNarrowMonthsCount = count;
-            break; 
-        case DT_WIDTH_COUNT :
+            break;
+        default :
             break;
         }
         break;
@@ -904,13 +1095,20 @@ DateFormatSymbols::setWeekdays(const UnicodeString* weekdaysArray, int32_t count
             uprv_arrayCopy(weekdaysArray, fShortWeekdays, count);
             fShortWeekdaysCount = count;
             break;
+        case SHORT :
+            if (fShorterWeekdays)
+                delete[] fShorterWeekdays;
+            fShorterWeekdays = newUnicodeStringArray(count);
+            uprv_arrayCopy(weekdaysArray, fShorterWeekdays, count);
+            fShorterWeekdaysCount = count;
+            break;
         case NARROW :
             if (fNarrowWeekdays)
                 delete[] fNarrowWeekdays;
             fNarrowWeekdays = newUnicodeStringArray(count);
             uprv_arrayCopy(weekdaysArray, fNarrowWeekdays, count);
             fNarrowWeekdaysCount = count;
-            break; 
+            break;
         case DT_WIDTH_COUNT :
             break;
         }
@@ -931,13 +1129,20 @@ DateFormatSymbols::setWeekdays(const UnicodeString* weekdaysArray, int32_t count
             uprv_arrayCopy(weekdaysArray, fStandaloneShortWeekdays, count);
             fStandaloneShortWeekdaysCount = count;
             break;
+        case SHORT :
+            if (fStandaloneShorterWeekdays)
+                delete[] fStandaloneShorterWeekdays;
+            fStandaloneShorterWeekdays = newUnicodeStringArray(count);
+            uprv_arrayCopy(weekdaysArray, fStandaloneShorterWeekdays, count);
+            fStandaloneShorterWeekdaysCount = count;
+            break;
         case NARROW :
             if (fStandaloneNarrowWeekdays)
                 delete[] fStandaloneNarrowWeekdays;
             fStandaloneNarrowWeekdays = newUnicodeStringArray(count);
             uprv_arrayCopy(weekdaysArray, fStandaloneNarrowWeekdays, count);
             fStandaloneNarrowWeekdaysCount = count;
-            break; 
+            break;
         case DT_WIDTH_COUNT :
             break;
         }
@@ -979,8 +1184,8 @@ DateFormatSymbols::setQuarters(const UnicodeString* quartersArray, int32_t count
             uprv_arrayCopy( quartersArray,fNarrowQuarters,count);
             fNarrowQuartersCount = count;
         */
-            break; 
-        case DT_WIDTH_COUNT :
+            break;
+        default :
             break;
         }
         break;
@@ -1008,8 +1213,8 @@ DateFormatSymbols::setQuarters(const UnicodeString* quartersArray, int32_t count
             uprv_arrayCopy( quartersArray,fStandaloneNarrowQuarters,count);
             fStandaloneNarrowQuartersCount = count;
         */
-            break; 
-        case DT_WIDTH_COUNT :
+            break;
+        default :
             break;
         }
         break;
@@ -1031,47 +1236,19 @@ DateFormatSymbols::setAmPmStrings(const UnicodeString* amPmsArray, int32_t count
     fAmPmsCount = count;
 }
 
-//------------------------------------------------------
-const ZoneStringFormat*
-DateFormatSymbols::getZoneStringFormat(void) const {
-    umtx_lock(&LOCK);
-    if (fZoneStringFormat == NULL) {
-        ((DateFormatSymbols*)this)->initZoneStringFormat();
-    }
-    umtx_unlock(&LOCK);
-    return fZoneStringFormat;
-}
-
 void
-DateFormatSymbols::initZoneStringFormat(void) {
-    if (fZoneStringFormat == NULL) {
-        UErrorCode status = U_ZERO_ERROR;
-        if (fZoneStrings) {
-            // Create an istance of ZoneStringFormat by the custom zone strings array
-            fZSFLocal = new ZoneStringFormat(fZoneStrings, fZoneStringsRowCount,
-                fZoneStringsColCount, status);
-            if (U_FAILURE(status)) {
-                delete fZSFLocal;
-            } else {
-                fZoneStringFormat = (const ZoneStringFormat*)fZSFLocal;
-            }
-        } else {
-            fZSFCachePtr = ZoneStringFormat::getZoneStringFormat(fZSFLocale, status);
-            if (U_FAILURE(status)) {
-                delete fZSFCachePtr;
-            } else {
-                fZoneStringFormat = fZSFCachePtr->get();
-            }
-        }
-    }
+DateFormatSymbols::setTimeSeparatorString(const UnicodeString& newTimeSeparator)
+{
+    fTimeSeparator = newTimeSeparator;
 }
 
 const UnicodeString**
 DateFormatSymbols::getZoneStrings(int32_t& rowCount, int32_t& columnCount) const
 {
     const UnicodeString **result = NULL;
+    static UMutex *LOCK = STATIC_NEW(UMutex);
 
-    umtx_lock(&LOCK);
+    umtx_lock(LOCK);
     if (fZoneStrings == NULL) {
         if (fLocaleZoneStrings == NULL) {
             ((DateFormatSymbols*)this)->initZoneStringsArray();
@@ -1082,23 +1259,100 @@ DateFormatSymbols::getZoneStrings(int32_t& rowCount, int32_t& columnCount) const
     }
     rowCount = fZoneStringsRowCount;
     columnCount = fZoneStringsColCount;
-    umtx_unlock(&LOCK);
+    umtx_unlock(LOCK);
 
     return result;
 }
 
+// For now, we include all zones
+#define ZONE_SET UCAL_ZONE_TYPE_ANY
+
+// This code must be called within a synchronized block
 void
 DateFormatSymbols::initZoneStringsArray(void) {
-    if (fZoneStrings == NULL && fLocaleZoneStrings == NULL) {
-        if (fZoneStringFormat == NULL) {
-            initZoneStringFormat();
+    if (fZoneStrings != NULL || fLocaleZoneStrings != NULL) {
+        return;
+    }
+
+    UErrorCode status = U_ZERO_ERROR;
+
+    StringEnumeration *tzids = NULL;
+    UnicodeString ** zarray = NULL;
+    TimeZoneNames *tzNames = NULL;
+    int32_t rows = 0;
+
+    static const UTimeZoneNameType TYPES[] = {
+        UTZNM_LONG_STANDARD, UTZNM_SHORT_STANDARD,
+        UTZNM_LONG_DAYLIGHT, UTZNM_SHORT_DAYLIGHT
+    };
+    static const int32_t NUM_TYPES = 4;
+
+    do { // dummy do-while
+
+        tzids = TimeZone::createTimeZoneIDEnumeration(ZONE_SET, NULL, NULL, status);
+        rows = tzids->count(status);
+        if (U_FAILURE(status)) {
+            break;
+        }
+
+        // Allocate array
+        int32_t size = rows * sizeof(UnicodeString*);
+        zarray = (UnicodeString**)uprv_malloc(size);
+        if (zarray == NULL) {
+            status = U_MEMORY_ALLOCATION_ERROR;
+            break;
+        }
+        uprv_memset(zarray, 0, size);
+
+        tzNames = TimeZoneNames::createInstance(fZSFLocale, status);
+        tzNames->loadAllDisplayNames(status);
+        if (U_FAILURE(status)) { break; }
+
+        const UnicodeString *tzid;
+        int32_t i = 0;
+        UDate now = Calendar::getNow();
+        UnicodeString tzDispName;
+
+        while ((tzid = tzids->snext(status)) != 0) {
+            if (U_FAILURE(status)) {
+                break;
+            }
+
+            zarray[i] = new UnicodeString[5];
+            if (zarray[i] == NULL) {
+                status = U_MEMORY_ALLOCATION_ERROR;
+                break;
+            }
+
+            zarray[i][0].setTo(*tzid);
+            tzNames->getDisplayNames(*tzid, TYPES, NUM_TYPES, now, zarray[i]+1, status);
+            i++;
         }
-        if (fZoneStringFormat) {
-            UErrorCode status = U_ZERO_ERROR;
-            fLocaleZoneStrings = fZoneStringFormat->createZoneStringsArray(uprv_getUTCtime() /* use current time */,
-                fZoneStringsRowCount, fZoneStringsColCount, status);
+
+    } while (FALSE);
+
+    if (U_FAILURE(status)) {
+        if (zarray) {
+            for (int32_t i = 0; i < rows; i++) {
+                if (zarray[i]) {
+                    delete[] zarray[i];
+                }
+            }
+            uprv_free(zarray);
+            zarray = NULL;
         }
     }
+
+    if (tzNames) {
+        delete tzNames;
+    }
+    if (tzids) {
+        delete tzids;
+    }
+
+    fLocaleZoneStrings = zarray;
+    fZoneStringsRowCount = rows;
+    fZoneStringsColCount = 1 + NUM_TYPES;
 }
 
 void
@@ -1116,12 +1370,64 @@ DateFormatSymbols::setZoneStrings(const UnicodeString* const *strings, int32_t r
 
 //------------------------------------------------------
 
-const UChar * U_EXPORT2
+const char16_t * U_EXPORT2
 DateFormatSymbols::getPatternUChars(void)
 {
     return gPatternChars;
 }
 
+UDateFormatField U_EXPORT2
+DateFormatSymbols::getPatternCharIndex(UChar c) {
+    const UChar *p = u_strchr(gPatternChars, c);
+    if (p == NULL) {
+        return UDAT_FIELD_COUNT;
+    } else {
+        return static_cast<UDateFormatField>(p - gPatternChars);
+    }
+}
+
+static const uint64_t kNumericFieldsAlways =
+    ((uint64_t)1 << UDAT_YEAR_FIELD) |                      // y
+    ((uint64_t)1 << UDAT_DATE_FIELD) |                      // d
+    ((uint64_t)1 << UDAT_HOUR_OF_DAY1_FIELD) |              // k
+    ((uint64_t)1 << UDAT_HOUR_OF_DAY0_FIELD) |              // H
+    ((uint64_t)1 << UDAT_MINUTE_FIELD) |                    // m
+    ((uint64_t)1 << UDAT_SECOND_FIELD) |                    // s
+    ((uint64_t)1 << UDAT_FRACTIONAL_SECOND_FIELD) |         // S
+    ((uint64_t)1 << UDAT_DAY_OF_YEAR_FIELD) |               // D
+    ((uint64_t)1 << UDAT_DAY_OF_WEEK_IN_MONTH_FIELD) |      // F
+    ((uint64_t)1 << UDAT_WEEK_OF_YEAR_FIELD) |              // w
+    ((uint64_t)1 << UDAT_WEEK_OF_MONTH_FIELD) |             // W
+    ((uint64_t)1 << UDAT_HOUR1_FIELD) |                     // h
+    ((uint64_t)1 << UDAT_HOUR0_FIELD) |                     // K
+    ((uint64_t)1 << UDAT_YEAR_WOY_FIELD) |                  // Y
+    ((uint64_t)1 << UDAT_EXTENDED_YEAR_FIELD) |             // u
+    ((uint64_t)1 << UDAT_JULIAN_DAY_FIELD) |                // g
+    ((uint64_t)1 << UDAT_MILLISECONDS_IN_DAY_FIELD) |       // A
+    ((uint64_t)1 << UDAT_RELATED_YEAR_FIELD);               // r
+
+static const uint64_t kNumericFieldsForCount12 =
+    ((uint64_t)1 << UDAT_MONTH_FIELD) |                     // M or MM
+    ((uint64_t)1 << UDAT_DOW_LOCAL_FIELD) |                 // e or ee
+    ((uint64_t)1 << UDAT_STANDALONE_DAY_FIELD) |            // c or cc
+    ((uint64_t)1 << UDAT_STANDALONE_MONTH_FIELD) |          // L or LL
+    ((uint64_t)1 << UDAT_QUARTER_FIELD) |                   // Q or QQ
+    ((uint64_t)1 << UDAT_STANDALONE_QUARTER_FIELD);         // q or qq
+
+UBool U_EXPORT2
+DateFormatSymbols::isNumericField(UDateFormatField f, int32_t count) {
+    if (f == UDAT_FIELD_COUNT) {
+        return FALSE;
+    }
+    uint64_t flag = ((uint64_t)1 << f);
+    return ((kNumericFieldsAlways & flag) != 0 || ((kNumericFieldsForCount12 & flag) != 0 && count < 3));
+}
+
+UBool U_EXPORT2
+DateFormatSymbols::isNumericPatternChar(UChar c, int32_t count) {
+    return isNumericField(getPatternCharIndex(c), count);
+}
+
 //------------------------------------------------------
 
 UnicodeString&
@@ -1141,26 +1447,409 @@ DateFormatSymbols::setLocalPatternChars(const UnicodeString& newLocalPatternChar
 
 //------------------------------------------------------
 
-static void
-initField(UnicodeString **field, int32_t& length, const UResourceBundle *data, UErrorCode &status) {
-    if (U_SUCCESS(status)) {
-        int32_t strLen = 0;
-        length = ures_getSize(data);
-        *field = newUnicodeStringArray(length);
-        if (*field) {
-            for(int32_t i = 0; i<length; i++) {
-                const UChar *resStr = ures_getStringByIndex(data, i, &strLen, &status);
-                // setTo() - see assignArray comments
-                (*(field)+i)->setTo(TRUE, resStr, strLen);
+namespace {
+
+// Constants declarations
+static const UChar kCalendarAliasPrefixUChar[] = {
+    SOLIDUS, CAP_L, CAP_O, CAP_C, CAP_A, CAP_L, CAP_E, SOLIDUS,
+    LOW_C, LOW_A, LOW_L, LOW_E, LOW_N, LOW_D, LOW_A, LOW_R, SOLIDUS
+};
+static const UChar kGregorianTagUChar[] = {
+    LOW_G, LOW_R, LOW_E, LOW_G, LOW_O, LOW_R, LOW_I, LOW_A, LOW_N
+};
+static const UChar kVariantTagUChar[] = {
+    PERCENT, LOW_V, LOW_A, LOW_R, LOW_I, LOW_A, LOW_N, LOW_T
+};
+static const UChar kLeapTagUChar[] = {
+    LOW_L, LOW_E, LOW_A, LOW_P
+};
+static const UChar kCyclicNameSetsTagUChar[] = {
+    LOW_C, LOW_Y, LOW_C, LOW_L, LOW_I, LOW_C, CAP_N, LOW_A, LOW_M, LOW_E, CAP_S, LOW_E, LOW_T, LOW_S
+};
+static const UChar kYearsTagUChar[] = {
+    SOLIDUS, LOW_Y, LOW_E, LOW_A, LOW_R, LOW_S
+};
+static const UChar kZodiacsUChar[] = {
+    SOLIDUS, LOW_Z, LOW_O, LOW_D, LOW_I, LOW_A, LOW_C, LOW_S
+};
+static const UChar kDayPartsTagUChar[] = {
+    SOLIDUS, LOW_D, LOW_A, LOW_Y, CAP_P, LOW_A, LOW_R, LOW_T, LOW_S
+};
+static const UChar kFormatTagUChar[] = {
+    SOLIDUS, LOW_F, LOW_O, LOW_R, LOW_M, LOW_A, LOW_T
+};
+static const UChar kAbbrTagUChar[] = {
+    SOLIDUS, LOW_A, LOW_B, LOW_B, LOW_R, LOW_E, LOW_V, LOW_I, LOW_A, LOW_T, LOW_E, LOW_D
+};
+
+// ResourceSink to enumerate all calendar resources
+struct CalendarDataSink : public ResourceSink {
+
+    // Enum which specifies the type of alias received, or no alias
+    enum AliasType {
+        SAME_CALENDAR,
+        DIFFERENT_CALENDAR,
+        GREGORIAN,
+        NONE
+    };
+
+    // Data structures to store resources from the current resource bundle
+    Hashtable arrays;
+    Hashtable arraySizes;
+    Hashtable maps;
+    /** 
+     * Whenever there are aliases, the same object will be added twice to 'map'.
+     * To avoid double deletion, 'maps' won't take ownership of the objects. Instead,
+     * 'mapRefs' will own them and will delete them when CalendarDataSink is deleted.
+     */
+    MemoryPool<Hashtable> mapRefs;
+
+    // Paths and the aliases they point to
+    UVector aliasPathPairs;
+
+    // Current and next calendar resource table which should be loaded
+    UnicodeString currentCalendarType;
+    UnicodeString nextCalendarType;
+
+    // Resources to visit when enumerating fallback calendars
+    LocalPointer<UVector> resourcesToVisit;
+
+    // Alias' relative path populated whenever an alias is read
+    UnicodeString aliasRelativePath;
+
+    // Initializes CalendarDataSink with default values
+    CalendarDataSink(UErrorCode& status)
+    :   arrays(FALSE, status), arraySizes(FALSE, status), maps(FALSE, status),
+        mapRefs(),
+        aliasPathPairs(uprv_deleteUObject, uhash_compareUnicodeString, status),
+        currentCalendarType(), nextCalendarType(),
+        resourcesToVisit(NULL), aliasRelativePath() {
+        if (U_FAILURE(status)) { return; }
+    }
+    virtual ~CalendarDataSink();
+
+    // Configure the CalendarSink to visit all the resources
+    void visitAllResources() {
+        resourcesToVisit.adoptInstead(NULL);
+    }
+
+    // Actions to be done before enumerating
+    void preEnumerate(const UnicodeString &calendarType) {
+        currentCalendarType = calendarType;
+        nextCalendarType.setToBogus();
+        aliasPathPairs.removeAllElements();
+    }
+
+    virtual void put(const char *key, ResourceValue &value, UBool, UErrorCode &errorCode) {
+        if (U_FAILURE(errorCode)) { return; }
+        U_ASSERT(!currentCalendarType.isEmpty());
+
+        // Stores the resources to visit on the next calendar.
+        LocalPointer<UVector> resourcesToVisitNext(NULL);
+        ResourceTable calendarData = value.getTable(errorCode);
+        if (U_FAILURE(errorCode)) { return; }
+
+        // Enumerate all resources for this calendar
+        for (int i = 0; calendarData.getKeyAndValue(i, key, value); i++) {
+            UnicodeString keyUString(key, -1, US_INV);
+
+            // == Handle aliases ==
+            AliasType aliasType = processAliasFromValue(keyUString, value, errorCode);
+            if (U_FAILURE(errorCode)) { return; }
+            if (aliasType == GREGORIAN) {
+                // Ignore aliases to the gregorian calendar, all of its resources will be loaded anyway.
+                continue;
+
+            } else if (aliasType == DIFFERENT_CALENDAR) {
+                // Whenever an alias to the next calendar (except gregorian) is encountered, register the
+                // calendar type it's pointing to
+                if (resourcesToVisitNext.isNull()) {
+                    resourcesToVisitNext
+                        .adoptInsteadAndCheckErrorCode(new UVector(uprv_deleteUObject, uhash_compareUnicodeString, errorCode),
+                                                       errorCode);
+                    if (U_FAILURE(errorCode)) { return; }
+                }
+                LocalPointer<UnicodeString> aliasRelativePathCopy(new UnicodeString(aliasRelativePath), errorCode);
+                resourcesToVisitNext->addElement(aliasRelativePathCopy.getAlias(), errorCode);
+                if (U_FAILURE(errorCode)) { return; }
+                // Only release ownership after resourcesToVisitNext takes it (no error happened):
+                aliasRelativePathCopy.orphan();
+                continue;
+
+            } else if (aliasType == SAME_CALENDAR) {
+                // Register same-calendar alias
+                if (arrays.get(aliasRelativePath) == NULL && maps.get(aliasRelativePath) == NULL) {
+                    LocalPointer<UnicodeString> aliasRelativePathCopy(new UnicodeString(aliasRelativePath), errorCode);
+                    aliasPathPairs.addElement(aliasRelativePathCopy.getAlias(), errorCode);
+                    if (U_FAILURE(errorCode)) { return; }
+                    // Only release ownership after aliasPathPairs takes it (no error happened):
+                    aliasRelativePathCopy.orphan();
+                    LocalPointer<UnicodeString> keyUStringCopy(new UnicodeString(keyUString), errorCode);
+                    aliasPathPairs.addElement(keyUStringCopy.getAlias(), errorCode);
+                    if (U_FAILURE(errorCode)) { return; }
+                    // Only release ownership after aliasPathPairs takes it (no error happened):
+                    keyUStringCopy.orphan();
+                }
+                continue;
+            }
+
+            // Only visit the resources that were referenced by an alias on the previous calendar
+            // (AmPmMarkersAbbr is an exception).
+            if (!resourcesToVisit.isNull() && !resourcesToVisit->isEmpty() && !resourcesToVisit->contains(&keyUString)
+                && uprv_strcmp(key, gAmPmMarkersAbbrTag) != 0) { continue; }
+
+            // == Handle data ==
+            if (uprv_strcmp(key, gAmPmMarkersTag) == 0
+                || uprv_strcmp(key, gAmPmMarkersAbbrTag) == 0
+                || uprv_strcmp(key, gAmPmMarkersNarrowTag) == 0) {
+                if (arrays.get(keyUString) == NULL) {
+                    ResourceArray resourceArray = value.getArray(errorCode);
+                    int32_t arraySize = resourceArray.getSize();
+                    LocalArray<UnicodeString> stringArray(new UnicodeString[arraySize], errorCode);
+                    value.getStringArray(stringArray.getAlias(), arraySize, errorCode);
+                    arrays.put(keyUString, stringArray.orphan(), errorCode);
+                    arraySizes.puti(keyUString, arraySize, errorCode);
+                    if (U_FAILURE(errorCode)) { return; }
+                }
+            } else if (uprv_strcmp(key, gErasTag) == 0
+                       || uprv_strcmp(key, gDayNamesTag) == 0
+                       || uprv_strcmp(key, gMonthNamesTag) == 0
+                       || uprv_strcmp(key, gQuartersTag) == 0
+                       || uprv_strcmp(key, gDayPeriodTag) == 0
+                       || uprv_strcmp(key, gMonthPatternsTag) == 0
+                       || uprv_strcmp(key, gCyclicNameSetsTag) == 0) {
+                processResource(keyUString, key, value, errorCode);
             }
         }
-        else {
-            length = 0;
-            status = U_MEMORY_ALLOCATION_ERROR;
+
+        // Apply same-calendar aliases
+        UBool modified;
+        do {
+            modified = false;
+            for (int32_t i = 0; i < aliasPathPairs.size();) {
+                UBool mod = false;
+                UnicodeString *alias = (UnicodeString*)aliasPathPairs[i];
+                UnicodeString *aliasArray;
+                Hashtable *aliasMap;
+                if ((aliasArray = (UnicodeString*)arrays.get(*alias)) != NULL) {
+                    UnicodeString *path = (UnicodeString*)aliasPathPairs[i + 1];
+                    if (arrays.get(*path) == NULL) {
+                        // Clone the array
+                        int32_t aliasArraySize = arraySizes.geti(*alias);
+                        LocalArray<UnicodeString> aliasArrayCopy(new UnicodeString[aliasArraySize], errorCode);
+                        if (U_FAILURE(errorCode)) { return; }
+                        uprv_arrayCopy(aliasArray, aliasArrayCopy.getAlias(), aliasArraySize);
+                        // Put the array on the 'arrays' map
+                        arrays.put(*path, aliasArrayCopy.orphan(), errorCode);
+                        arraySizes.puti(*path, aliasArraySize, errorCode);
+                    }
+                    if (U_FAILURE(errorCode)) { return; }
+                    mod = true;
+                } else if ((aliasMap = (Hashtable*)maps.get(*alias)) != NULL) {
+                    UnicodeString *path = (UnicodeString*)aliasPathPairs[i + 1];
+                    if (maps.get(*path) == NULL) {
+                        maps.put(*path, aliasMap, errorCode);
+                    }
+                    if (U_FAILURE(errorCode)) { return; }
+                    mod = true;
+                }
+                if (mod) {
+                    aliasPathPairs.removeElementAt(i + 1);
+                    aliasPathPairs.removeElementAt(i);
+                    modified = true;
+                } else {
+                    i += 2;
+                }
+            }
+        } while (modified && !aliasPathPairs.isEmpty());
+
+        // Set the resources to visit on the next calendar
+        if (!resourcesToVisitNext.isNull()) {
+            resourcesToVisit = std::move(resourcesToVisitNext);
+        }
+    }
+
+    // Process the nested resource bundle tables
+    void processResource(UnicodeString &path, const char *key, ResourceValue &value, UErrorCode &errorCode) {
+        if (U_FAILURE(errorCode)) return;
+
+        ResourceTable table = value.getTable(errorCode);
+        if (U_FAILURE(errorCode)) return;
+        Hashtable* stringMap = NULL;
+
+        // Iterate over all the elements of the table and add them to the map
+        for (int i = 0; table.getKeyAndValue(i, key, value); i++) {
+            UnicodeString keyUString(key, -1, US_INV);
+
+            // Ignore '%variant' keys
+            if (keyUString.endsWith(kVariantTagUChar, UPRV_LENGTHOF(kVariantTagUChar))) {
+                continue;
+            }
+
+            // == Handle String elements ==
+            if (value.getType() == URES_STRING) {
+                // We are on a leaf, store the map elements into the stringMap
+                if (i == 0) {
+                    // mapRefs will keep ownership of 'stringMap':
+                    stringMap = mapRefs.create(FALSE, errorCode);
+                    if (stringMap == NULL) {
+                        errorCode = U_MEMORY_ALLOCATION_ERROR;
+                        return;
+                    }
+                    maps.put(path, stringMap, errorCode);
+                    if (U_FAILURE(errorCode)) { return; }
+                    stringMap->setValueDeleter(uprv_deleteUObject);
+                }
+                U_ASSERT(stringMap != NULL);
+                int32_t valueStringSize;
+                const UChar *valueString = value.getString(valueStringSize, errorCode);
+                if (U_FAILURE(errorCode)) { return; }
+                LocalPointer<UnicodeString> valueUString(new UnicodeString(TRUE, valueString, valueStringSize), errorCode);
+                stringMap->put(keyUString, valueUString.orphan(), errorCode);
+                if (U_FAILURE(errorCode)) { return; }
+                continue;
+            }
+            U_ASSERT(stringMap == NULL);
+
+            // Store the current path's length and append the current key to the path.
+            int32_t pathLength = path.length();
+            path.append(SOLIDUS).append(keyUString);
+
+            // In cyclicNameSets ignore everything but years/format/abbreviated
+            // and zodiacs/format/abbreviated
+            if (path.startsWith(kCyclicNameSetsTagUChar, UPRV_LENGTHOF(kCyclicNameSetsTagUChar))) {
+                UBool skip = TRUE;
+                int32_t startIndex = UPRV_LENGTHOF(kCyclicNameSetsTagUChar);
+                int32_t length = 0;
+                if (startIndex == path.length()
+                    || path.compare(startIndex, (length = UPRV_LENGTHOF(kZodiacsUChar)), kZodiacsUChar, 0, UPRV_LENGTHOF(kZodiacsUChar)) == 0
+                    || path.compare(startIndex, (length = UPRV_LENGTHOF(kYearsTagUChar)), kYearsTagUChar, 0, UPRV_LENGTHOF(kYearsTagUChar)) == 0
+                    || path.compare(startIndex, (length = UPRV_LENGTHOF(kDayPartsTagUChar)), kDayPartsTagUChar, 0, UPRV_LENGTHOF(kDayPartsTagUChar)) == 0) {
+                    startIndex += length;
+                    length = 0;
+                    if (startIndex == path.length()
+                        || path.compare(startIndex, (length = UPRV_LENGTHOF(kFormatTagUChar)), kFormatTagUChar, 0, UPRV_LENGTHOF(kFormatTagUChar)) == 0) {
+                        startIndex += length;
+                        length = 0;
+                        if (startIndex == path.length()
+                            || path.compare(startIndex, (length = UPRV_LENGTHOF(kAbbrTagUChar)), kAbbrTagUChar, 0, UPRV_LENGTHOF(kAbbrTagUChar)) == 0) {
+                            skip = FALSE;
+                        }
+                    }
+                }
+                if (skip) {
+                    // Drop the latest key on the path and continue
+                    path.retainBetween(0, pathLength);
+                    continue;
+                }
+            }
+
+            // == Handle aliases ==
+            if (arrays.get(path) != NULL || maps.get(path) != NULL) {
+                // Drop the latest key on the path and continue
+                path.retainBetween(0, pathLength);
+                continue;
+            }
+
+            AliasType aliasType = processAliasFromValue(path, value, errorCode);
+            if (U_FAILURE(errorCode)) { return; }
+            if (aliasType == SAME_CALENDAR) {
+                // Store the alias path and the current path on aliasPathPairs
+                LocalPointer<UnicodeString> aliasRelativePathCopy(new UnicodeString(aliasRelativePath), errorCode);
+                aliasPathPairs.addElement(aliasRelativePathCopy.getAlias(), errorCode);
+                if (U_FAILURE(errorCode)) { return; }
+                // Only release ownership after aliasPathPairs takes it (no error happened):
+                aliasRelativePathCopy.orphan();
+                LocalPointer<UnicodeString> pathCopy(new UnicodeString(path), errorCode);
+                aliasPathPairs.addElement(pathCopy.getAlias(), errorCode);
+                if (U_FAILURE(errorCode)) { return; }
+                // Only release ownership after aliasPathPairs takes it (no error happened):
+                pathCopy.orphan();
+
+                // Drop the latest key on the path and continue
+                path.retainBetween(0, pathLength);
+                continue;
+            }
+            U_ASSERT(aliasType == NONE);
+
+            // == Handle data ==
+            if (value.getType() == URES_ARRAY) {
+                // We are on a leaf, store the array
+                ResourceArray rDataArray = value.getArray(errorCode);
+                int32_t dataArraySize = rDataArray.getSize();
+                LocalArray<UnicodeString> dataArray(new UnicodeString[dataArraySize], errorCode);
+                value.getStringArray(dataArray.getAlias(), dataArraySize, errorCode);
+                arrays.put(path, dataArray.orphan(), errorCode);
+                arraySizes.puti(path, dataArraySize, errorCode);
+                if (U_FAILURE(errorCode)) { return; }
+            } else if (value.getType() == URES_TABLE) {
+                // We are not on a leaf, recursively process the subtable.
+                processResource(path, key, value, errorCode);
+                if (U_FAILURE(errorCode)) { return; }
+            }
+
+            // Drop the latest key on the path
+            path.retainBetween(0, pathLength);
         }
     }
+
+    // Populates an AliasIdentifier with the alias information contained on the UResource.Value.
+    AliasType processAliasFromValue(UnicodeString &currentRelativePath, ResourceValue &value,
+                                    UErrorCode &errorCode) {
+        if (U_FAILURE(errorCode)) { return NONE; }
+
+        if (value.getType() == URES_ALIAS) {
+            int32_t aliasPathSize;
+            const UChar* aliasPathUChar = value.getAliasString(aliasPathSize, errorCode);
+            if (U_FAILURE(errorCode)) { return NONE; }
+            UnicodeString aliasPath(aliasPathUChar, aliasPathSize);
+            const int32_t aliasPrefixLength = UPRV_LENGTHOF(kCalendarAliasPrefixUChar);
+            if (aliasPath.startsWith(kCalendarAliasPrefixUChar, aliasPrefixLength)
+                && aliasPath.length() > aliasPrefixLength) {
+                int32_t typeLimit = aliasPath.indexOf(SOLIDUS, aliasPrefixLength);
+                if (typeLimit > aliasPrefixLength) {
+                    const UnicodeString aliasCalendarType =
+                        aliasPath.tempSubStringBetween(aliasPrefixLength, typeLimit);
+                    aliasRelativePath.setTo(aliasPath, typeLimit + 1, aliasPath.length());
+
+                    if (currentCalendarType == aliasCalendarType
+                        && currentRelativePath != aliasRelativePath) {
+                        // If we have an alias to the same calendar, the path to the resource must be different
+                        return SAME_CALENDAR;
+
+                    } else if (currentCalendarType != aliasCalendarType
+                               && currentRelativePath == aliasRelativePath) {
+                        // If we have an alias to a different calendar, the path to the resource must be the same
+                        if (aliasCalendarType.compare(kGregorianTagUChar, UPRV_LENGTHOF(kGregorianTagUChar)) == 0) {
+                            return GREGORIAN;
+                        } else if (nextCalendarType.isBogus()) {
+                            nextCalendarType = aliasCalendarType;
+                            return DIFFERENT_CALENDAR;
+                        } else if (nextCalendarType == aliasCalendarType) {
+                            return DIFFERENT_CALENDAR;
+                        }
+                    }
+                }
+            }
+            errorCode = U_INTERNAL_PROGRAM_ERROR;
+            return NONE;
+        }
+        return NONE;
+    }
+
+    // Deleter function to be used by 'arrays'
+    static void U_CALLCONV deleteUnicodeStringArray(void *uArray) {
+        delete[] static_cast<UnicodeString *>(uArray);
+    }
+};
+// Virtual destructors have to be defined out of line
+CalendarDataSink::~CalendarDataSink() {
+    arrays.setValueDeleter(deleteUnicodeStringArray);
+}
 }
 
+//------------------------------------------------------
+
 static void
 initField(UnicodeString **field, int32_t& length, const UChar *data, LastResortSize numStr, LastResortSize strLen, UErrorCode &status) {
     if (U_SUCCESS(status)) {
@@ -1180,12 +1869,159 @@ initField(UnicodeString **field, int32_t& length, const UChar *data, LastResortS
     }
 }
 
+static void
+initField(UnicodeString **field, int32_t& length, CalendarDataSink &sink, CharString &key, UErrorCode &status) {
+    if (U_SUCCESS(status)) {
+        UnicodeString keyUString(key.data(), -1, US_INV);
+        UnicodeString* array = static_cast<UnicodeString*>(sink.arrays.get(keyUString));
+
+        if (array != NULL) {
+            length = sink.arraySizes.geti(keyUString);
+            *field = array;
+            // DateFormatSymbols takes ownership of the array:
+            sink.arrays.remove(keyUString);
+        } else {
+            length = 0;
+            status = U_MISSING_RESOURCE_ERROR;
+        }
+    }
+}
+
+static void
+initField(UnicodeString **field, int32_t& length, CalendarDataSink &sink, CharString &key, int32_t arrayOffset, UErrorCode &status) {
+    if (U_SUCCESS(status)) {
+        UnicodeString keyUString(key.data(), -1, US_INV);
+        UnicodeString* array = static_cast<UnicodeString*>(sink.arrays.get(keyUString));
+
+        if (array != NULL) {
+            int32_t arrayLength = sink.arraySizes.geti(keyUString);
+            length = arrayLength + arrayOffset;
+            *field = new UnicodeString[length];
+            if (*field == NULL) {
+                status = U_MEMORY_ALLOCATION_ERROR;
+                return;
+            }
+            uprv_arrayCopy(array, 0, *field, arrayOffset, arrayLength);
+        } else {
+            length = 0;
+            status = U_MISSING_RESOURCE_ERROR;
+        }
+    }
+}
+
+static void
+initLeapMonthPattern(UnicodeString *field, int32_t index, CalendarDataSink &sink, CharString &path, UErrorCode &status) {
+    field[index].remove();
+    if (U_SUCCESS(status)) {
+        UnicodeString pathUString(path.data(), -1, US_INV);
+        Hashtable *leapMonthTable = static_cast<Hashtable*>(sink.maps.get(pathUString));
+        if (leapMonthTable != NULL) {
+            UnicodeString leapLabel(FALSE, kLeapTagUChar, UPRV_LENGTHOF(kLeapTagUChar));
+            UnicodeString *leapMonthPattern = static_cast<UnicodeString*>(leapMonthTable->get(leapLabel));
+            if (leapMonthPattern != NULL) {
+                field[index].fastCopyFrom(*leapMonthPattern);
+            } else {
+                field[index].setToBogus();
+            }
+            return;
+        }
+        status = U_MISSING_RESOURCE_ERROR;
+    }
+}
+
+static CharString
+&buildResourcePath(CharString &path, const char* segment1, UErrorCode &errorCode) {
+    return path.clear().append(segment1, -1, errorCode);
+}
+
+static CharString
+&buildResourcePath(CharString &path, const char* segment1, const char* segment2,
+                   UErrorCode &errorCode) {
+    return buildResourcePath(path, segment1, errorCode).append('/', errorCode)
+                                                       .append(segment2, -1, errorCode);
+}
+
+static CharString
+&buildResourcePath(CharString &path, const char* segment1, const char* segment2,
+                   const char* segment3, UErrorCode &errorCode) {
+    return buildResourcePath(path, segment1, segment2, errorCode).append('/', errorCode)
+                                                                 .append(segment3, -1, errorCode);
+}
+
+static CharString
+&buildResourcePath(CharString &path, const char* segment1, const char* segment2,
+                   const char* segment3, const char* segment4, UErrorCode &errorCode) {
+    return buildResourcePath(path, segment1, segment2, segment3, errorCode).append('/', errorCode)
+                                                                           .append(segment4, -1, errorCode);
+}
+
+typedef struct {
+    const char * usageTypeName;
+    DateFormatSymbols::ECapitalizationContextUsageType usageTypeEnumValue;
+} ContextUsageTypeNameToEnumValue;
+
+static const ContextUsageTypeNameToEnumValue contextUsageTypeMap[] = {
+   // Entries must be sorted by usageTypeName; entry with NULL name terminates list.
+    { "day-format-except-narrow", DateFormatSymbols::kCapContextUsageDayFormat },
+    { "day-narrow",     DateFormatSymbols::kCapContextUsageDayNarrow },
+    { "day-standalone-except-narrow", DateFormatSymbols::kCapContextUsageDayStandalone },
+    { "era-abbr",       DateFormatSymbols::kCapContextUsageEraAbbrev },
+    { "era-name",       DateFormatSymbols::kCapContextUsageEraWide },
+    { "era-narrow",     DateFormatSymbols::kCapContextUsageEraNarrow },
+    { "metazone-long",  DateFormatSymbols::kCapContextUsageMetazoneLong },
+    { "metazone-short", DateFormatSymbols::kCapContextUsageMetazoneShort },
+    { "month-format-except-narrow", DateFormatSymbols::kCapContextUsageMonthFormat },
+    { "month-narrow",   DateFormatSymbols::kCapContextUsageMonthNarrow },
+    { "month-standalone-except-narrow", DateFormatSymbols::kCapContextUsageMonthStandalone },
+    { "zone-long",      DateFormatSymbols::kCapContextUsageZoneLong },
+    { "zone-short",     DateFormatSymbols::kCapContextUsageZoneShort },
+    { NULL, (DateFormatSymbols::ECapitalizationContextUsageType)0 },
+};
+
+// Resource keys to look up localized strings for day periods.
+// The first one must be midnight and the second must be noon, so that their indices coincide
+// with the am/pm field. Formatting and parsing code for day periods relies on this coincidence.
+static const char *dayPeriodKeys[] = {"midnight", "noon",
+                         "morning1", "afternoon1", "evening1", "night1",
+                         "morning2", "afternoon2", "evening2", "night2"};
+
+UnicodeString* loadDayPeriodStrings(CalendarDataSink &sink, CharString &path,
+                                    int32_t &stringCount,  UErrorCode &status) {
+    if (U_FAILURE(status)) { return NULL; }
+
+    UnicodeString pathUString(path.data(), -1, US_INV);
+    Hashtable* map = static_cast<Hashtable*>(sink.maps.get(pathUString));
+
+    stringCount = UPRV_LENGTHOF(dayPeriodKeys);
+    UnicodeString *strings = new UnicodeString[stringCount];
+    if (strings == NULL) {
+        status = U_MEMORY_ALLOCATION_ERROR;
+        return NULL;
+    }
+
+    if (map != NULL) {
+        for (int32_t i = 0; i < stringCount; ++i) {
+            UnicodeString dayPeriodKey(dayPeriodKeys[i], -1, US_INV);
+            UnicodeString *dayPeriod = static_cast<UnicodeString*>(map->get(dayPeriodKey));
+            if (dayPeriod != NULL) {
+                strings[i].fastCopyFrom(*dayPeriod);
+            } else {
+                strings[i].setToBogus();
+            }
+        }
+    } else {
+        for (int32_t i = 0; i < stringCount; i++) {
+            strings[i].setToBogus();
+        }
+    }
+    return strings;
+}
+
+
 void
 DateFormatSymbols::initializeData(const Locale& locale, const char *type, UErrorCode& status, UBool useLastResortData)
 {
-    int32_t i;
     int32_t len = 0;
-    const UChar *resStr;
     /* In case something goes wrong, initialize all of the data to NULL. */
     fEras = NULL;
     fErasCount = 0;
@@ -1209,16 +2045,23 @@ DateFormatSymbols::initializeData(const Locale& locale, const char *type, UError
     fWeekdaysCount=0;
     fShortWeekdays = NULL;
     fShortWeekdaysCount=0;
+    fShorterWeekdays = NULL;
+    fShorterWeekdaysCount=0;
     fNarrowWeekdays = NULL;
     fNarrowWeekdaysCount=0;
     fStandaloneWeekdays = NULL;
     fStandaloneWeekdaysCount=0;
     fStandaloneShortWeekdays = NULL;
     fStandaloneShortWeekdaysCount=0;
+    fStandaloneShorterWeekdays = NULL;
+    fStandaloneShorterWeekdaysCount=0;
     fStandaloneNarrowWeekdays = NULL;
     fStandaloneNarrowWeekdaysCount=0;
     fAmPms = NULL;
     fAmPmsCount=0;
+    fNarrowAmPms = NULL;
+    fNarrowAmPmsCount=0;
+    fTimeSeparator.setToBogus();
     fQuarters = NULL;
     fQuartersCount = 0;
     fShortQuarters = NULL;
@@ -1227,196 +2070,297 @@ DateFormatSymbols::initializeData(const Locale& locale, const char *type, UError
     fStandaloneQuartersCount = 0;
     fStandaloneShortQuarters = NULL;
     fStandaloneShortQuartersCount = 0;
-    fGmtHourFormats = NULL;
-    fGmtHourFormatsCount = 0;
+    fLeapMonthPatterns = NULL;
+    fLeapMonthPatternsCount = 0;
+    fShortYearNames = NULL;
+    fShortYearNamesCount = 0;
+    fShortZodiacNames = NULL;
+    fShortZodiacNamesCount = 0;
     fZoneStringsRowCount = 0;
     fZoneStringsColCount = 0;
     fZoneStrings = NULL;
     fLocaleZoneStrings = NULL;
-
-    fZoneStringFormat = NULL;
-    fZSFLocal = NULL;
-    fZSFCachePtr = NULL;
+    fAbbreviatedDayPeriods = NULL;
+    fAbbreviatedDayPeriodsCount = 0;
+    fWideDayPeriods = NULL;
+    fWideDayPeriodsCount = 0;
+    fNarrowDayPeriods = NULL;
+    fNarrowDayPeriodsCount = 0;
+    fStandaloneAbbreviatedDayPeriods = NULL;
+    fStandaloneAbbreviatedDayPeriodsCount = 0;
+    fStandaloneWideDayPeriods = NULL;
+    fStandaloneWideDayPeriodsCount = 0;
+    fStandaloneNarrowDayPeriods = NULL;
+    fStandaloneNarrowDayPeriodsCount = 0;
+    uprv_memset(fCapitalization, 0, sizeof(fCapitalization));
 
     // We need to preserve the requested locale for
     // lazy ZoneStringFormat instantiation.  ZoneStringFormat
     // is region sensitive, thus, bundle locale bundle's locale
     // is not sufficient.
     fZSFLocale = locale;
-      
+
     if (U_FAILURE(status)) return;
 
-    /**
-     * Retrieve the string arrays we need from the resource bundle file.
-     * We cast away const here, but that's okay; we won't delete any of
-     * these.
-     */
-    CalendarData calData(locale, type, status);
+    // Create a CalendarDataSink to process this data and the resouce bundles
+    CalendarDataSink calendarSink(status);
+    UResourceBundle *rb = ures_open(NULL, locale.getBaseName(), &status);
+    UResourceBundle *cb = ures_getByKey(rb, gCalendarTag, NULL, &status);
 
-    /**
-     * Use the localeBundle for getting zone GMT formatting patterns
-     */
-    UResourceBundle *localeBundle = ures_open(NULL, locale.getName(), &status);
-    UResourceBundle *zoneStringsArray = ures_getByKeyWithFallback(localeBundle, gZoneStringsTag, NULL, &status);
+    if (U_FAILURE(status)) return;
 
-    // load the first data item
-    UResourceBundle *erasMain = calData.getByKey(gErasTag, status);
-    UResourceBundle *eras = ures_getByKeyWithFallback(erasMain, gNamesAbbrTag, NULL, &status);
-    UErrorCode oldStatus = status;
-    UResourceBundle *eraNames = ures_getByKeyWithFallback(erasMain, gNamesWideTag, NULL, &status);
-    if ( status == U_MISSING_RESOURCE_ERROR ) { // Workaround because eras/wide was omitted from CLDR 1.3
-       status = oldStatus;
-       eraNames = ures_getByKeyWithFallback(erasMain, gNamesAbbrTag, NULL, &status);
+    // Iterate over the resource bundle data following the fallbacks through different calendar types
+    UnicodeString calendarType((type != NULL && *type != '\0')? type : gGregorianTag, -1, US_INV);
+    while (!calendarType.isBogus()) {
+        CharString calendarTypeBuffer;
+        calendarTypeBuffer.appendInvariantChars(calendarType, status);
+        if (U_FAILURE(status)) { return; }
+        const char *calendarTypeCArray = calendarTypeBuffer.data();
+
+        // Enumerate this calendar type. If the calendar is not found fallback to gregorian
+        UErrorCode oldStatus = status;
+        UResourceBundle *ctb = ures_getByKeyWithFallback(cb, calendarTypeCArray, NULL, &status);
+        if (status == U_MISSING_RESOURCE_ERROR) {
+            ures_close(ctb);
+            if (uprv_strcmp(calendarTypeCArray, gGregorianTag) != 0) {
+                calendarType.setTo(FALSE, kGregorianTagUChar, UPRV_LENGTHOF(kGregorianTagUChar));
+                calendarSink.visitAllResources();
+                status = oldStatus;
+                continue;
+            }
+            return;
+        }
+
+        calendarSink.preEnumerate(calendarType);
+        ures_getAllItemsWithFallback(ctb, "", calendarSink, status);
+        ures_close(ctb);
+        if (U_FAILURE(status)) break;
+
+        // Stop loading when gregorian was loaded
+        if (uprv_strcmp(calendarTypeCArray, gGregorianTag) == 0) {
+            break;
+        }
+
+        // Get the next calendar type to process from the sink
+        calendarType = calendarSink.nextCalendarType;
+
+        // Gregorian is always the last fallback
+        if (calendarType.isBogus()) {
+            calendarType.setTo(FALSE, kGregorianTagUChar, UPRV_LENGTHOF(kGregorianTagUChar));
+            calendarSink.visitAllResources();
+        }
     }
-       // current ICU4J falls back to abbreviated if narrow eras are missing, so we will too
-    oldStatus = status;
-    UResourceBundle *narrowEras = ures_getByKeyWithFallback(erasMain, gNamesNarrowTag, NULL, &status);
-    if ( status == U_MISSING_RESOURCE_ERROR ) {
-       status = oldStatus;
-       narrowEras = ures_getByKeyWithFallback(erasMain, gNamesAbbrTag, NULL, &status);
+
+    // CharString object to build paths
+    CharString path;
+
+    // Load Leap Month Patterns
+    UErrorCode tempStatus = status;
+    fLeapMonthPatterns = newUnicodeStringArray(kMonthPatternsCount);
+    if (fLeapMonthPatterns) {
+        initLeapMonthPattern(fLeapMonthPatterns, kLeapMonthPatternFormatWide, calendarSink,
+                             buildResourcePath(path, gMonthPatternsTag, gNamesFormatTag, gNamesWideTag, tempStatus), tempStatus);
+        initLeapMonthPattern(fLeapMonthPatterns, kLeapMonthPatternFormatAbbrev, calendarSink,
+                             buildResourcePath(path, gMonthPatternsTag, gNamesFormatTag, gNamesAbbrTag, tempStatus), tempStatus);
+        initLeapMonthPattern(fLeapMonthPatterns, kLeapMonthPatternFormatNarrow, calendarSink,
+                             buildResourcePath(path, gMonthPatternsTag, gNamesFormatTag, gNamesNarrowTag, tempStatus), tempStatus);
+        initLeapMonthPattern(fLeapMonthPatterns, kLeapMonthPatternStandaloneWide, calendarSink,
+                             buildResourcePath(path, gMonthPatternsTag, gNamesStandaloneTag, gNamesWideTag, tempStatus), tempStatus);
+        initLeapMonthPattern(fLeapMonthPatterns, kLeapMonthPatternStandaloneAbbrev, calendarSink,
+                             buildResourcePath(path, gMonthPatternsTag, gNamesStandaloneTag, gNamesAbbrTag, tempStatus), tempStatus);
+        initLeapMonthPattern(fLeapMonthPatterns, kLeapMonthPatternStandaloneNarrow, calendarSink,
+                             buildResourcePath(path, gMonthPatternsTag, gNamesStandaloneTag, gNamesNarrowTag, tempStatus), tempStatus);
+        initLeapMonthPattern(fLeapMonthPatterns, kLeapMonthPatternNumeric, calendarSink,
+                             buildResourcePath(path, gMonthPatternsTag, gNamesNumericTag, gNamesAllTag, tempStatus), tempStatus);
+        if (U_SUCCESS(tempStatus)) {
+            // Hack to fix bad C inheritance for dangi monthPatterns (OK in J); this should be handled by aliases in root, but isn't.
+            // The ordering of the following statements is important.
+            if (fLeapMonthPatterns[kLeapMonthPatternFormatAbbrev].isEmpty()) {
+                fLeapMonthPatterns[kLeapMonthPatternFormatAbbrev].setTo(fLeapMonthPatterns[kLeapMonthPatternFormatWide]);
+            };
+            if (fLeapMonthPatterns[kLeapMonthPatternFormatNarrow].isEmpty()) {
+                fLeapMonthPatterns[kLeapMonthPatternFormatNarrow].setTo(fLeapMonthPatterns[kLeapMonthPatternStandaloneNarrow]);
+            };
+            if (fLeapMonthPatterns[kLeapMonthPatternStandaloneWide].isEmpty()) {
+                fLeapMonthPatterns[kLeapMonthPatternStandaloneWide].setTo(fLeapMonthPatterns[kLeapMonthPatternFormatWide]);
+            };
+            if (fLeapMonthPatterns[kLeapMonthPatternStandaloneAbbrev].isEmpty()) {
+                fLeapMonthPatterns[kLeapMonthPatternStandaloneAbbrev].setTo(fLeapMonthPatterns[kLeapMonthPatternFormatAbbrev]);
+            };
+            // end of hack
+            fLeapMonthPatternsCount = kMonthPatternsCount;
+        } else {
+            delete[] fLeapMonthPatterns;
+            fLeapMonthPatterns = NULL;
+        }
     }
 
-    UResourceBundle *lsweekdaysData = NULL; // Data closed by calData
-    UResourceBundle *weekdaysData = NULL; // Data closed by calData
-    UResourceBundle *narrowWeekdaysData = NULL; // Data closed by calData
-    UResourceBundle *standaloneWeekdaysData = NULL; // Data closed by calData
-    UResourceBundle *standaloneShortWeekdaysData = NULL; // Data closed by calData
-    UResourceBundle *standaloneNarrowWeekdaysData = NULL; // Data closed by calData
+    // Load cyclic names sets
+    tempStatus = status;
+    initField(&fShortYearNames, fShortYearNamesCount, calendarSink,
+              buildResourcePath(path, gCyclicNameSetsTag, gNameSetYearsTag, gNamesFormatTag, gNamesAbbrTag, tempStatus), tempStatus);
+    initField(&fShortZodiacNames, fShortZodiacNamesCount, calendarSink,
+              buildResourcePath(path, gCyclicNameSetsTag, gNameSetZodiacsTag, gNamesFormatTag, gNamesAbbrTag, tempStatus), tempStatus);
+
+    // Load context transforms and capitalization
+    tempStatus = U_ZERO_ERROR;
+    UResourceBundle *localeBundle = ures_open(NULL, locale.getName(), &tempStatus);
+    if (U_SUCCESS(tempStatus)) {
+        UResourceBundle *contextTransforms = ures_getByKeyWithFallback(localeBundle, gContextTransformsTag, NULL, &tempStatus);
+        if (U_SUCCESS(tempStatus)) {
+            UResourceBundle *contextTransformUsage;
+            while ( (contextTransformUsage = ures_getNextResource(contextTransforms, NULL, &tempStatus)) != NULL ) {
+                const int32_t * intVector = ures_getIntVector(contextTransformUsage, &len, &status);
+                if (U_SUCCESS(tempStatus) && intVector != NULL && len >= 2) {
+                    const char* usageType = ures_getKey(contextTransformUsage);
+                    if (usageType != NULL) {
+                        const ContextUsageTypeNameToEnumValue * typeMapPtr = contextUsageTypeMap;
+                        int32_t compResult = 0;
+                        // linear search; list is short and we cannot be sure that bsearch is available
+                        while ( typeMapPtr->usageTypeName != NULL && (compResult = uprv_strcmp(usageType, typeMapPtr->usageTypeName)) > 0 ) {
+                            ++typeMapPtr;
+                        }
+                        if (typeMapPtr->usageTypeName != NULL && compResult == 0) {
+                            fCapitalization[typeMapPtr->usageTypeEnumValue][0] = static_cast<UBool>(intVector[0]);
+                            fCapitalization[typeMapPtr->usageTypeEnumValue][1] = static_cast<UBool>(intVector[1]);
+                        }
+                    }
+                }
+                tempStatus = U_ZERO_ERROR;
+                ures_close(contextTransformUsage);
+            }
+            ures_close(contextTransforms);
+        }
 
-    U_LOCALE_BASED(locBased, *this);
-    if (U_FAILURE(status))
-    {
-        if (useLastResortData)
-        {
-            // Handle the case in which there is no resource data present.
-            // We don't have to generate usable patterns in this situation;
-            // we just need to produce something that will be semi-intelligible
-            // in most locales.
+        tempStatus = U_ZERO_ERROR;
+        const LocalPointer<NumberingSystem> numberingSystem(
+                NumberingSystem::createInstance(locale, tempStatus), tempStatus);
+        if (U_SUCCESS(tempStatus)) {
+            // These functions all fail gracefully if passed NULL pointers and
+            // do nothing unless U_SUCCESS(tempStatus), so it's only necessary
+            // to check for errors once after all calls are made.
+            const LocalUResourceBundlePointer numberElementsData(ures_getByKeyWithFallback(
+                    localeBundle, gNumberElementsTag, NULL, &tempStatus));
+            const LocalUResourceBundlePointer nsNameData(ures_getByKeyWithFallback(
+                    numberElementsData.getAlias(), numberingSystem->getName(), NULL, &tempStatus));
+            const LocalUResourceBundlePointer symbolsData(ures_getByKeyWithFallback(
+                    nsNameData.getAlias(), gSymbolsTag, NULL, &tempStatus));
+            fTimeSeparator = ures_getUnicodeStringByKey(
+                    symbolsData.getAlias(), gTimeSeparatorTag, &tempStatus);
+            if (U_FAILURE(tempStatus)) {
+                fTimeSeparator.setToBogus();
+            }
+        }
 
-            status = U_USING_FALLBACK_WARNING;
+        ures_close(localeBundle);
+    }
 
-            initField(&fEras, fErasCount, (const UChar *)gLastResortEras, kEraNum, kEraLen, status);
-            initField(&fEraNames, fEraNamesCount, (const UChar *)gLastResortEras, kEraNum, kEraLen, status);
-            initField(&fNarrowEras, fNarrowErasCount, (const UChar *)gLastResortEras, kEraNum, kEraLen, status);
-            initField(&fMonths, fMonthsCount, (const UChar *)gLastResortMonthNames, kMonthNum, kMonthLen,  status);
-            initField(&fShortMonths, fShortMonthsCount, (const UChar *)gLastResortMonthNames, kMonthNum, kMonthLen, status);
-            initField(&fNarrowMonths, fNarrowMonthsCount, (const UChar *)gLastResortMonthNames, kMonthNum, kMonthLen, status);
-            initField(&fStandaloneMonths, fStandaloneMonthsCount, (const UChar *)gLastResortMonthNames, kMonthNum, kMonthLen,  status);
-            initField(&fStandaloneShortMonths, fStandaloneShortMonthsCount, (const UChar *)gLastResortMonthNames, kMonthNum, kMonthLen, status);
-            initField(&fStandaloneNarrowMonths, fStandaloneNarrowMonthsCount, (const UChar *)gLastResortMonthNames, kMonthNum, kMonthLen, status);
-            initField(&fWeekdays, fWeekdaysCount, (const UChar *)gLastResortDayNames, kDayNum, kDayLen, status);
-            initField(&fShortWeekdays, fShortWeekdaysCount, (const UChar *)gLastResortDayNames, kDayNum, kDayLen, status);
-            initField(&fNarrowWeekdays, fNarrowWeekdaysCount, (const UChar *)gLastResortDayNames, kDayNum, kDayLen, status);
-            initField(&fStandaloneWeekdays, fStandaloneWeekdaysCount, (const UChar *)gLastResortDayNames, kDayNum, kDayLen, status);
-            initField(&fStandaloneShortWeekdays, fStandaloneShortWeekdaysCount, (const UChar *)gLastResortDayNames, kDayNum, kDayLen, status);
-            initField(&fStandaloneNarrowWeekdays, fStandaloneNarrowWeekdaysCount, (const UChar *)gLastResortDayNames, kDayNum, kDayLen, status);
-            initField(&fAmPms, fAmPmsCount, (const UChar *)gLastResortAmPmMarkers, kAmPmNum, kAmPmLen, status);
-            initField(&fQuarters, fQuartersCount, (const UChar *)gLastResortQuarters, kQuarterNum, kQuarterLen, status);
-            initField(&fShortQuarters, fShortQuartersCount, (const UChar *)gLastResortQuarters, kQuarterNum, kQuarterLen, status);
-            initField(&fStandaloneQuarters, fStandaloneQuartersCount, (const UChar *)gLastResortQuarters, kQuarterNum, kQuarterLen, status);
-            initField(&fStandaloneShortQuarters, fStandaloneShortQuartersCount, (const UChar *)gLastResortQuarters, kQuarterNum, kQuarterLen, status);
-            initField(&fGmtHourFormats, fGmtHourFormatsCount, (const UChar *)gLastResortGmtHourFormats, kGmtHourNum, kGmtHourLen, status);
-            fGmtFormat.setTo(TRUE, gLastResortGmtFormat, -1);
-            fLocalPatternChars.setTo(TRUE, gPatternChars, PATTERN_CHARS_LEN);
-        }
-        goto cleanup;
+    if (fTimeSeparator.isBogus()) {
+        fTimeSeparator.setTo(DateFormatSymbols::DEFAULT_TIME_SEPARATOR);
     }
 
+    // Load day periods
+    fWideDayPeriods = loadDayPeriodStrings(calendarSink,
+                            buildResourcePath(path, gDayPeriodTag, gNamesFormatTag, gNamesWideTag, status),
+                            fWideDayPeriodsCount, status);
+    fNarrowDayPeriods = loadDayPeriodStrings(calendarSink,
+                            buildResourcePath(path, gDayPeriodTag, gNamesFormatTag, gNamesNarrowTag, status),
+                            fNarrowDayPeriodsCount, status);
+    fAbbreviatedDayPeriods = loadDayPeriodStrings(calendarSink,
+                            buildResourcePath(path, gDayPeriodTag, gNamesFormatTag, gNamesAbbrTag, status),
+                            fAbbreviatedDayPeriodsCount, status);
+    fStandaloneWideDayPeriods = loadDayPeriodStrings(calendarSink,
+                            buildResourcePath(path, gDayPeriodTag, gNamesStandaloneTag, gNamesWideTag, status),
+                            fStandaloneWideDayPeriodsCount, status);
+    fStandaloneNarrowDayPeriods = loadDayPeriodStrings(calendarSink,
+                            buildResourcePath(path, gDayPeriodTag, gNamesStandaloneTag, gNamesNarrowTag, status),
+                            fStandaloneNarrowDayPeriodsCount, status);
+    fStandaloneAbbreviatedDayPeriods = loadDayPeriodStrings(calendarSink,
+                            buildResourcePath(path, gDayPeriodTag, gNamesStandaloneTag, gNamesAbbrTag, status),
+                            fStandaloneAbbreviatedDayPeriodsCount, status);
+
+    U_LOCALE_BASED(locBased, *this);
     // if we make it to here, the resource data is cool, and we can get everything out
     // of it that we need except for the time-zone and localized-pattern data, which
     // are stored in a separate file
-    locBased.setLocaleIDs(ures_getLocaleByType(eras, ULOC_VALID_LOCALE, &status),
-                          ures_getLocaleByType(eras, ULOC_ACTUAL_LOCALE, &status));
-
-    initField(&fEras, fErasCount, eras, status);
-    initField(&fEraNames, fEraNamesCount, eraNames, status);
-    initField(&fNarrowEras, fNarrowErasCount, narrowEras, status);
+    locBased.setLocaleIDs(ures_getLocaleByType(cb, ULOC_VALID_LOCALE, &status),
+                          ures_getLocaleByType(cb, ULOC_ACTUAL_LOCALE, &status));
 
-    initField(&fMonths, fMonthsCount, calData.getByKey2(gMonthNamesTag, gNamesWideTag, status), status);
-    initField(&fShortMonths, fShortMonthsCount, calData.getByKey2(gMonthNamesTag, gNamesAbbrTag, status), status);
-
-    initField(&fNarrowMonths, fNarrowMonthsCount, calData.getByKey2(gMonthNamesTag, gNamesNarrowTag, status), status);
-    if(status == U_MISSING_RESOURCE_ERROR) {
-        status = U_ZERO_ERROR;
-        initField(&fNarrowMonths, fNarrowMonthsCount, calData.getByKey3(gMonthNamesTag, gNamesStandaloneTag, gNamesNarrowTag, status), status);
+    // Load eras
+    initField(&fEras, fErasCount, calendarSink, buildResourcePath(path, gErasTag, gNamesAbbrTag, status), status);
+    UErrorCode oldStatus = status;
+    initField(&fEraNames, fEraNamesCount, calendarSink, buildResourcePath(path, gErasTag, gNamesWideTag, status), status);
+    if (status == U_MISSING_RESOURCE_ERROR) { // Workaround because eras/wide was omitted from CLDR 1.3
+        status = oldStatus;
+        assignArray(fEraNames, fEraNamesCount, fEras, fErasCount);
     }
-    if ( status == U_MISSING_RESOURCE_ERROR ) { /* If format/narrow not available, use format/abbreviated */
-       status = U_ZERO_ERROR;
-       initField(&fNarrowMonths, fNarrowMonthsCount, calData.getByKey2(gMonthNamesTag, gNamesAbbrTag, status), status);
+    // current ICU4J falls back to abbreviated if narrow eras are missing, so we will too
+    oldStatus = status;
+    initField(&fNarrowEras, fNarrowErasCount, calendarSink, buildResourcePath(path, gErasTag, gNamesNarrowTag, status), status);
+    if (status == U_MISSING_RESOURCE_ERROR) { // Workaround because eras/wide was omitted from CLDR 1.3
+        status = oldStatus;
+        assignArray(fNarrowEras, fNarrowErasCount, fEras, fErasCount);
     }
 
-    initField(&fStandaloneMonths, fStandaloneMonthsCount, calData.getByKey3(gMonthNamesTag, gNamesStandaloneTag, gNamesWideTag, status), status);
-    if ( status == U_MISSING_RESOURCE_ERROR ) { /* If standalone/wide not available, use format/wide */
-       status = U_ZERO_ERROR;
-       initField(&fStandaloneMonths, fStandaloneMonthsCount, calData.getByKey2(gMonthNamesTag, gNamesWideTag, status), status);
+    // Load month names
+    initField(&fMonths, fMonthsCount, calendarSink,
+              buildResourcePath(path, gMonthNamesTag, gNamesFormatTag, gNamesWideTag, status), status);
+    initField(&fShortMonths, fShortMonthsCount, calendarSink,
+              buildResourcePath(path, gMonthNamesTag, gNamesFormatTag, gNamesAbbrTag, status), status);
+    initField(&fStandaloneMonths, fStandaloneMonthsCount, calendarSink,
+              buildResourcePath(path, gMonthNamesTag, gNamesStandaloneTag, gNamesWideTag, status), status);
+    if (status == U_MISSING_RESOURCE_ERROR) { /* If standalone/wide not available, use format/wide */
+        status = U_ZERO_ERROR;
+        assignArray(fStandaloneMonths, fStandaloneMonthsCount, fMonths, fMonthsCount);
     }
-    initField(&fStandaloneShortMonths, fStandaloneShortMonthsCount, calData.getByKey3(gMonthNamesTag, gNamesStandaloneTag, gNamesAbbrTag, status), status);
-    if ( status == U_MISSING_RESOURCE_ERROR ) { /* If standalone/abbreviated not available, use format/abbreviated */
-       status = U_ZERO_ERROR;
-       initField(&fStandaloneShortMonths, fStandaloneShortMonthsCount, calData.getByKey2(gMonthNamesTag, gNamesAbbrTag, status), status);
+    initField(&fStandaloneShortMonths, fStandaloneShortMonthsCount, calendarSink,
+              buildResourcePath(path, gMonthNamesTag, gNamesStandaloneTag, gNamesAbbrTag, status), status);
+    if (status == U_MISSING_RESOURCE_ERROR) { /* If standalone/abbreviated not available, use format/abbreviated */
+        status = U_ZERO_ERROR;
+        assignArray(fStandaloneShortMonths, fStandaloneShortMonthsCount, fShortMonths, fShortMonthsCount);
     }
-    initField(&fStandaloneNarrowMonths, fStandaloneNarrowMonthsCount, calData.getByKey3(gMonthNamesTag, gNamesStandaloneTag, gNamesNarrowTag, status), status);
-    if ( status == U_MISSING_RESOURCE_ERROR ) { /* if standalone/narrow not availabe, try format/narrow */
-       status = U_ZERO_ERROR;
-       initField(&fStandaloneNarrowMonths, fStandaloneNarrowMonthsCount, calData.getByKey2(gMonthNamesTag, gNamesNarrowTag, status), status);
-       if ( status == U_MISSING_RESOURCE_ERROR ) { /* if still not there, use format/abbreviated */
-          status = U_ZERO_ERROR;
-          initField(&fStandaloneNarrowMonths, fStandaloneNarrowMonthsCount, calData.getByKey2(gMonthNamesTag, gNamesAbbrTag, status), status);
-       }
+
+    UErrorCode narrowMonthsEC = status;
+    UErrorCode standaloneNarrowMonthsEC = status;
+    initField(&fNarrowMonths, fNarrowMonthsCount, calendarSink,
+              buildResourcePath(path, gMonthNamesTag, gNamesFormatTag, gNamesNarrowTag, narrowMonthsEC), narrowMonthsEC);
+    initField(&fStandaloneNarrowMonths, fStandaloneNarrowMonthsCount, calendarSink,
+              buildResourcePath(path, gMonthNamesTag, gNamesStandaloneTag, gNamesNarrowTag, narrowMonthsEC), standaloneNarrowMonthsEC);
+    if (narrowMonthsEC == U_MISSING_RESOURCE_ERROR && standaloneNarrowMonthsEC != U_MISSING_RESOURCE_ERROR) {
+        // If format/narrow not available, use standalone/narrow
+        assignArray(fNarrowMonths, fNarrowMonthsCount, fStandaloneNarrowMonths, fStandaloneNarrowMonthsCount);
+    } else if (narrowMonthsEC != U_MISSING_RESOURCE_ERROR && standaloneNarrowMonthsEC == U_MISSING_RESOURCE_ERROR) {
+        // If standalone/narrow not availabe, use format/narrow
+        assignArray(fStandaloneNarrowMonths, fStandaloneNarrowMonthsCount, fNarrowMonths, fNarrowMonthsCount);
+    } else if (narrowMonthsEC == U_MISSING_RESOURCE_ERROR && standaloneNarrowMonthsEC == U_MISSING_RESOURCE_ERROR) {
+        // If neither is available, use format/abbreviated
+        assignArray(fNarrowMonths, fNarrowMonthsCount, fShortMonths, fShortMonthsCount);
+        assignArray(fStandaloneNarrowMonths, fStandaloneNarrowMonthsCount, fShortMonths, fShortMonthsCount);
     }
-    initField(&fAmPms, fAmPmsCount, calData.getByKey(gAmPmMarkersTag, status), status);
 
-    initField(&fQuarters, fQuartersCount, calData.getByKey2(gQuartersTag, gNamesWideTag, status), status);
-    initField(&fShortQuarters, fShortQuartersCount, calData.getByKey2(gQuartersTag, gNamesAbbrTag, status), status);
+    // Load AM/PM markers
+    initField(&fAmPms, fAmPmsCount, calendarSink,
+              buildResourcePath(path, gAmPmMarkersTag, status), status);
+    initField(&fNarrowAmPms, fNarrowAmPmsCount, calendarSink,
+              buildResourcePath(path, gAmPmMarkersNarrowTag, status), status);
+
+    // Load quarters
+    initField(&fQuarters, fQuartersCount, calendarSink,
+              buildResourcePath(path, gQuartersTag, gNamesFormatTag, gNamesWideTag, status), status);
+    initField(&fShortQuarters, fShortQuartersCount, calendarSink,
+              buildResourcePath(path, gQuartersTag, gNamesFormatTag, gNamesAbbrTag, status), status);
 
-    initField(&fStandaloneQuarters, fStandaloneQuartersCount, calData.getByKey3(gQuartersTag, gNamesStandaloneTag, gNamesWideTag, status), status);
+    initField(&fStandaloneQuarters, fStandaloneQuartersCount, calendarSink,
+              buildResourcePath(path, gQuartersTag, gNamesStandaloneTag, gNamesWideTag, status), status);
     if(status == U_MISSING_RESOURCE_ERROR) {
         status = U_ZERO_ERROR;
-        initField(&fStandaloneQuarters, fStandaloneQuartersCount, calData.getByKey2(gQuartersTag, gNamesWideTag, status), status);
+        assignArray(fStandaloneQuarters, fStandaloneQuartersCount, fQuarters, fQuartersCount);
     }
-
-    initField(&fStandaloneShortQuarters, fStandaloneShortQuartersCount, calData.getByKey3(gQuartersTag, gNamesStandaloneTag, gNamesAbbrTag, status), status);
+    initField(&fStandaloneShortQuarters, fStandaloneShortQuartersCount, calendarSink,
+              buildResourcePath(path, gQuartersTag, gNamesStandaloneTag, gNamesAbbrTag, status), status);
     if(status == U_MISSING_RESOURCE_ERROR) {
         status = U_ZERO_ERROR;
-        initField(&fStandaloneShortQuarters, fStandaloneShortQuartersCount, calData.getByKey2(gQuartersTag, gNamesAbbrTag, status), status);
-    }
-
-    // GMT format patterns
-    resStr = ures_getStringByKeyWithFallback(zoneStringsArray, gGmtFormatTag, &len, &status);
-    if (len > 0) {
-        fGmtFormat.setTo(TRUE, resStr, len);
-    }
-
-    resStr = ures_getStringByKeyWithFallback(zoneStringsArray, gHourFormatTag, &len, &status);
-    if (len > 0) {
-        UChar *sep = u_strchr(resStr, (UChar)0x003B /* ';' */);
-        if (sep != NULL) {
-            fGmtHourFormats = newUnicodeStringArray(GMT_HOUR_COUNT);
-            if (fGmtHourFormats == NULL) {
-                status = U_MEMORY_ALLOCATION_ERROR;
-            } else {
-                fGmtHourFormatsCount = GMT_HOUR_COUNT;
-                fGmtHourFormats[GMT_NEGATIVE_HM].setTo(TRUE, sep + 1, -1);
-                fGmtHourFormats[GMT_POSITIVE_HM].setTo(FALSE, resStr, sep - resStr);
-
-                // CLDR 1.5 does not have GMT offset pattern including second field.
-                // For now, append "ss" to the end.
-                if (fGmtHourFormats[GMT_NEGATIVE_HM].indexOf((UChar)0x003A /* ':' */) != -1) {
-                    fGmtHourFormats[GMT_NEGATIVE_HMS] = fGmtHourFormats[GMT_NEGATIVE_HM] + UNICODE_STRING_SIMPLE(":ss");
-                } else if (fGmtHourFormats[GMT_NEGATIVE_HM].indexOf((UChar)0x002E /* '.' */) != -1) {
-                    fGmtHourFormats[GMT_NEGATIVE_HMS] = fGmtHourFormats[GMT_NEGATIVE_HM] + UNICODE_STRING_SIMPLE(".ss");
-                } else {
-                    fGmtHourFormats[GMT_NEGATIVE_HMS] = fGmtHourFormats[GMT_NEGATIVE_HM] + UNICODE_STRING_SIMPLE("ss");
-                }
-                if (fGmtHourFormats[GMT_POSITIVE_HM].indexOf((UChar)0x003A /* ':' */) != -1) {
-                    fGmtHourFormats[GMT_POSITIVE_HMS] = fGmtHourFormats[GMT_POSITIVE_HM] + UNICODE_STRING_SIMPLE(":ss");
-                } else if (fGmtHourFormats[GMT_POSITIVE_HM].indexOf((UChar)0x002E /* '.' */) != -1) {
-                    fGmtHourFormats[GMT_POSITIVE_HMS] = fGmtHourFormats[GMT_POSITIVE_HM] + UNICODE_STRING_SIMPLE(".ss");
-                } else {
-                    fGmtHourFormats[GMT_POSITIVE_HMS] = fGmtHourFormats[GMT_POSITIVE_HM] + UNICODE_STRING_SIMPLE("ss");
-                }
-            }
-        }
+        assignArray(fStandaloneShortQuarters, fStandaloneShortQuartersCount, fShortQuarters, fShortQuartersCount);
     }
 
     // ICU 3.8 or later version no longer uses localized date-time pattern characters by default (ticket#5597)
@@ -1432,136 +2376,113 @@ DateFormatSymbols::initializeData(const Locale& locale, const char *type, UError
     */
     fLocalPatternChars.setTo(TRUE, gPatternChars, PATTERN_CHARS_LEN);
 
+    // Format wide weekdays -> fWeekdays
     // {sfb} fixed to handle 1-based weekdays
-    weekdaysData = calData.getByKey2(gDayNamesTag, gNamesWideTag, status);
-    fWeekdaysCount = ures_getSize(weekdaysData);
-    fWeekdays = new UnicodeString[fWeekdaysCount+1];
-    /* pin the blame on system. If we cannot get a chunk of memory .. the system is dying!*/
-    if (fWeekdays == NULL) {
-        status = U_MEMORY_ALLOCATION_ERROR;
-        goto cleanup;
-    }
-    // leave fWeekdays[0] empty
-    for(i = 0; i<fWeekdaysCount; i++) {
-        resStr = ures_getStringByIndex(weekdaysData, i, &len, &status);
-        // setTo() - see assignArray comments
-        fWeekdays[i+1].setTo(TRUE, resStr, len);
-    }
-    fWeekdaysCount++;
+    initField(&fWeekdays, fWeekdaysCount, calendarSink,
+              buildResourcePath(path, gDayNamesTag, gNamesFormatTag, gNamesWideTag, status), 1, status);
 
-    lsweekdaysData = calData.getByKey2(gDayNamesTag, gNamesAbbrTag, status);
-    fShortWeekdaysCount = ures_getSize(lsweekdaysData);
-    fShortWeekdays = new UnicodeString[fShortWeekdaysCount+1];
-    /* test for NULL */
-    if (fShortWeekdays == 0) {
-        status = U_MEMORY_ALLOCATION_ERROR;
-        goto cleanup;
-    }
-    // leave fShortWeekdays[0] empty
-    for(i = 0; i<fShortWeekdaysCount; i++) {
-        resStr = ures_getStringByIndex(lsweekdaysData, i, &len, &status);
-        // setTo() - see assignArray comments
-        fShortWeekdays[i+1].setTo(TRUE, resStr, len);
-    }
-    fShortWeekdaysCount++;
+    // Format abbreviated weekdays -> fShortWeekdays
+    initField(&fShortWeekdays, fShortWeekdaysCount, calendarSink,
+              buildResourcePath(path, gDayNamesTag, gNamesFormatTag, gNamesAbbrTag, status), 1, status);
 
-    narrowWeekdaysData = calData.getByKey2(gDayNamesTag, gNamesNarrowTag, status);
-    if(status == U_MISSING_RESOURCE_ERROR) {
+    // Format short weekdays -> fShorterWeekdays (fall back to abbreviated)
+    initField(&fShorterWeekdays, fShorterWeekdaysCount, calendarSink,
+              buildResourcePath(path, gDayNamesTag, gNamesFormatTag, gNamesShortTag, status), 1, status);
+    if (status == U_MISSING_RESOURCE_ERROR) {
         status = U_ZERO_ERROR;
-        narrowWeekdaysData = calData.getByKey3(gDayNamesTag, gNamesStandaloneTag, gNamesNarrowTag, status);
-    }
-    if ( status == U_MISSING_RESOURCE_ERROR ) {
-       status = U_ZERO_ERROR;
-       narrowWeekdaysData = calData.getByKey2(gDayNamesTag, gNamesAbbrTag, status);
-    }
-    fNarrowWeekdaysCount = ures_getSize(narrowWeekdaysData);
-    fNarrowWeekdays = new UnicodeString[fNarrowWeekdaysCount+1];
-    /* test for NULL */
-    if (fNarrowWeekdays == 0) {
-        status = U_MEMORY_ALLOCATION_ERROR;
-        goto cleanup;
+        assignArray(fShorterWeekdays, fShorterWeekdaysCount, fShortWeekdays, fShortWeekdaysCount);
     }
-    // leave fNarrowWeekdays[0] empty
-    for(i = 0; i<fNarrowWeekdaysCount; i++) {
-        resStr = ures_getStringByIndex(narrowWeekdaysData, i, &len, &status);
-        // setTo() - see assignArray comments
-        fNarrowWeekdays[i+1].setTo(TRUE, resStr, len);
-    }
-    fNarrowWeekdaysCount++;
 
-    standaloneWeekdaysData = calData.getByKey3(gDayNamesTag, gNamesStandaloneTag, gNamesWideTag, status);
-    if ( status == U_MISSING_RESOURCE_ERROR ) {
-       status = U_ZERO_ERROR;
-       standaloneWeekdaysData = calData.getByKey2(gDayNamesTag, gNamesWideTag, status);
-    }
-    fStandaloneWeekdaysCount = ures_getSize(standaloneWeekdaysData);
-    fStandaloneWeekdays = new UnicodeString[fStandaloneWeekdaysCount+1];
-    /* test for NULL */
-    if (fStandaloneWeekdays == 0) {
-        status = U_MEMORY_ALLOCATION_ERROR;
-        goto cleanup;
-    }
-    // leave fStandaloneWeekdays[0] empty
-    for(i = 0; i<fStandaloneWeekdaysCount; i++) {
-        resStr = ures_getStringByIndex(standaloneWeekdaysData, i, &len, &status);
-        // setTo() - see assignArray comments
-        fStandaloneWeekdays[i+1].setTo(TRUE, resStr, len);
+    // Stand-alone wide weekdays -> fStandaloneWeekdays
+    initField(&fStandaloneWeekdays, fStandaloneWeekdaysCount, calendarSink,
+              buildResourcePath(path, gDayNamesTag, gNamesStandaloneTag, gNamesWideTag, status), 1, status);
+    if (status == U_MISSING_RESOURCE_ERROR) { /* If standalone/wide is not available, use format/wide */
+        status = U_ZERO_ERROR;
+        assignArray(fStandaloneWeekdays, fStandaloneWeekdaysCount, fWeekdays, fWeekdaysCount);
     }
-    fStandaloneWeekdaysCount++;
 
-    standaloneShortWeekdaysData = calData.getByKey3(gDayNamesTag, gNamesStandaloneTag, gNamesAbbrTag, status);
-    if ( status == U_MISSING_RESOURCE_ERROR ) {
-       status = U_ZERO_ERROR;
-       standaloneShortWeekdaysData = calData.getByKey2(gDayNamesTag, gNamesAbbrTag, status);
-    }
-    fStandaloneShortWeekdaysCount = ures_getSize(standaloneShortWeekdaysData);
-    fStandaloneShortWeekdays = new UnicodeString[fStandaloneShortWeekdaysCount+1];
-    /* test for NULL */
-    if (fStandaloneShortWeekdays == 0) {
-        status = U_MEMORY_ALLOCATION_ERROR;
-        goto cleanup;
-    }
-    // leave fStandaloneShortWeekdays[0] empty
-    for(i = 0; i<fStandaloneShortWeekdaysCount; i++) {
-        resStr = ures_getStringByIndex(standaloneShortWeekdaysData, i, &len, &status);
-        // setTo() - see assignArray comments
-        fStandaloneShortWeekdays[i+1].setTo(TRUE, resStr, len);
+    // Stand-alone abbreviated weekdays -> fStandaloneShortWeekdays
+    initField(&fStandaloneShortWeekdays, fStandaloneShortWeekdaysCount, calendarSink,
+              buildResourcePath(path, gDayNamesTag, gNamesStandaloneTag, gNamesAbbrTag, status), 1, status);
+    if (status == U_MISSING_RESOURCE_ERROR) { /* If standalone/abbreviated is not available, use format/abbreviated */
+        status = U_ZERO_ERROR;
+        assignArray(fStandaloneShortWeekdays, fStandaloneShortWeekdaysCount, fShortWeekdays, fShortWeekdaysCount);
     }
-    fStandaloneShortWeekdaysCount++;
-
-    standaloneNarrowWeekdaysData = calData.getByKey3(gDayNamesTag, gNamesStandaloneTag, gNamesNarrowTag, status);
-    if ( status == U_MISSING_RESOURCE_ERROR ) {
-       status = U_ZERO_ERROR;
-       standaloneNarrowWeekdaysData = calData.getByKey2(gDayNamesTag, gNamesNarrowTag, status);
-       if ( status == U_MISSING_RESOURCE_ERROR ) {
-          status = U_ZERO_ERROR;
-          standaloneNarrowWeekdaysData = calData.getByKey2(gDayNamesTag, gNamesAbbrTag, status);
-       }
+
+    // Stand-alone short weekdays -> fStandaloneShorterWeekdays (fall back to format abbreviated)
+    initField(&fStandaloneShorterWeekdays, fStandaloneShorterWeekdaysCount, calendarSink,
+              buildResourcePath(path, gDayNamesTag, gNamesStandaloneTag, gNamesShortTag, status), 1, status);
+    if (status == U_MISSING_RESOURCE_ERROR) { /* If standalone/short is not available, use format/short */
+        status = U_ZERO_ERROR;
+        assignArray(fStandaloneShorterWeekdays, fStandaloneShorterWeekdaysCount, fShorterWeekdays, fShorterWeekdaysCount);
     }
-    fStandaloneNarrowWeekdaysCount = ures_getSize(standaloneNarrowWeekdaysData);
-    fStandaloneNarrowWeekdays = new UnicodeString[fStandaloneNarrowWeekdaysCount+1];
-    /* test for NULL */
-    if (fStandaloneNarrowWeekdays == 0) {
-        status = U_MEMORY_ALLOCATION_ERROR;
-        goto cleanup;
+
+    // Format narrow weekdays -> fNarrowWeekdays
+    UErrorCode narrowWeeksEC = status;
+    initField(&fNarrowWeekdays, fNarrowWeekdaysCount, calendarSink,
+              buildResourcePath(path, gDayNamesTag, gNamesFormatTag, gNamesNarrowTag, status), 1, narrowWeeksEC);
+    // Stand-alone narrow weekdays -> fStandaloneNarrowWeekdays
+    UErrorCode standaloneNarrowWeeksEC = status;
+    initField(&fStandaloneNarrowWeekdays, fStandaloneNarrowWeekdaysCount, calendarSink,
+              buildResourcePath(path, gDayNamesTag, gNamesStandaloneTag, gNamesNarrowTag, status), 1, standaloneNarrowWeeksEC);
+
+    if (narrowWeeksEC == U_MISSING_RESOURCE_ERROR && standaloneNarrowWeeksEC != U_MISSING_RESOURCE_ERROR) {
+        // If format/narrow not available, use standalone/narrow
+        assignArray(fNarrowWeekdays, fNarrowWeekdaysCount, fStandaloneNarrowWeekdays, fStandaloneNarrowWeekdaysCount);
+    } else if (narrowWeeksEC != U_MISSING_RESOURCE_ERROR && standaloneNarrowWeeksEC == U_MISSING_RESOURCE_ERROR) {
+        // If standalone/narrow not available, use format/narrow
+        assignArray(fStandaloneNarrowWeekdays, fStandaloneNarrowWeekdaysCount, fNarrowWeekdays, fNarrowWeekdaysCount);
+    } else if (narrowWeeksEC == U_MISSING_RESOURCE_ERROR && standaloneNarrowWeeksEC == U_MISSING_RESOURCE_ERROR ) {
+        // If neither is available, use format/abbreviated
+        assignArray(fNarrowWeekdays, fNarrowWeekdaysCount, fShortWeekdays, fShortWeekdaysCount);
+        assignArray(fStandaloneNarrowWeekdays, fStandaloneNarrowWeekdaysCount, fShortWeekdays, fShortWeekdaysCount);
     }
-    // leave fStandaloneNarrowWeekdays[0] empty
-    for(i = 0; i<fStandaloneNarrowWeekdaysCount; i++) {
-        resStr = ures_getStringByIndex(standaloneNarrowWeekdaysData, i, &len, &status);
-        // setTo() - see assignArray comments
-        fStandaloneNarrowWeekdays[i+1].setTo(TRUE, resStr, len);
+
+    // Last resort fallback in case previous data wasn't loaded
+    if (U_FAILURE(status))
+    {
+        if (useLastResortData)
+        {
+            // Handle the case in which there is no resource data present.
+            // We don't have to generate usable patterns in this situation;
+            // we just need to produce something that will be semi-intelligible
+            // in most locales.
+
+            status = U_USING_FALLBACK_WARNING;
+            //TODO(fabalbon): make sure we are storing las resort data for all fields in here.
+            initField(&fEras, fErasCount, (const UChar *)gLastResortEras, kEraNum, kEraLen, status);
+            initField(&fEraNames, fEraNamesCount, (const UChar *)gLastResortEras, kEraNum, kEraLen, status);
+            initField(&fNarrowEras, fNarrowErasCount, (const UChar *)gLastResortEras, kEraNum, kEraLen, status);
+            initField(&fMonths, fMonthsCount, (const UChar *)gLastResortMonthNames, kMonthNum, kMonthLen,  status);
+            initField(&fShortMonths, fShortMonthsCount, (const UChar *)gLastResortMonthNames, kMonthNum, kMonthLen, status);
+            initField(&fNarrowMonths, fNarrowMonthsCount, (const UChar *)gLastResortMonthNames, kMonthNum, kMonthLen, status);
+            initField(&fStandaloneMonths, fStandaloneMonthsCount, (const UChar *)gLastResortMonthNames, kMonthNum, kMonthLen,  status);
+            initField(&fStandaloneShortMonths, fStandaloneShortMonthsCount, (const UChar *)gLastResortMonthNames, kMonthNum, kMonthLen, status);
+            initField(&fStandaloneNarrowMonths, fStandaloneNarrowMonthsCount, (const UChar *)gLastResortMonthNames, kMonthNum, kMonthLen, status);
+            initField(&fWeekdays, fWeekdaysCount, (const UChar *)gLastResortDayNames, kDayNum, kDayLen, status);
+            initField(&fShortWeekdays, fShortWeekdaysCount, (const UChar *)gLastResortDayNames, kDayNum, kDayLen, status);
+            initField(&fShorterWeekdays, fShorterWeekdaysCount, (const UChar *)gLastResortDayNames, kDayNum, kDayLen, status);
+            initField(&fNarrowWeekdays, fNarrowWeekdaysCount, (const UChar *)gLastResortDayNames, kDayNum, kDayLen, status);
+            initField(&fStandaloneWeekdays, fStandaloneWeekdaysCount, (const UChar *)gLastResortDayNames, kDayNum, kDayLen, status);
+            initField(&fStandaloneShortWeekdays, fStandaloneShortWeekdaysCount, (const UChar *)gLastResortDayNames, kDayNum, kDayLen, status);
+            initField(&fStandaloneShorterWeekdays, fStandaloneShorterWeekdaysCount, (const UChar *)gLastResortDayNames, kDayNum, kDayLen, status);
+            initField(&fStandaloneNarrowWeekdays, fStandaloneNarrowWeekdaysCount, (const UChar *)gLastResortDayNames, kDayNum, kDayLen, status);
+            initField(&fAmPms, fAmPmsCount, (const UChar *)gLastResortAmPmMarkers, kAmPmNum, kAmPmLen, status);
+            initField(&fNarrowAmPms, fNarrowAmPmsCount, (const UChar *)gLastResortAmPmMarkers, kAmPmNum, kAmPmLen, status);
+            initField(&fQuarters, fQuartersCount, (const UChar *)gLastResortQuarters, kQuarterNum, kQuarterLen, status);
+            initField(&fShortQuarters, fShortQuartersCount, (const UChar *)gLastResortQuarters, kQuarterNum, kQuarterLen, status);
+            initField(&fStandaloneQuarters, fStandaloneQuartersCount, (const UChar *)gLastResortQuarters, kQuarterNum, kQuarterLen, status);
+            initField(&fStandaloneShortQuarters, fStandaloneShortQuartersCount, (const UChar *)gLastResortQuarters, kQuarterNum, kQuarterLen, status);
+            fLocalPatternChars.setTo(TRUE, gPatternChars, PATTERN_CHARS_LEN);
+        }
     }
-    fStandaloneNarrowWeekdaysCount++;
 
-cleanup:
-    ures_close(eras);
-    ures_close(eraNames);
-    ures_close(narrowEras);
-    ures_close(zoneStringsArray);
-    ures_close(localeBundle);
+    // Close resources
+    ures_close(cb);
+    ures_close(rb);
 }
 
-Locale 
+Locale
 DateFormatSymbols::getLocale(ULocDataLocaleType type, UErrorCode& status) const {
     U_LOCALE_BASED(locBased, *this);
     return locBased.getLocale(type, status);