CFNumberFormatter.c

   1 /*
   2  * Copyright (c) 2014 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24 /*      CFNumberFormatter.c
  25         Copyright (c) 2002-2014, Apple Inc. All rights reserved.
  26         Responsibility: David Smith
  27 */
  28
  29 #include <CoreFoundation/CFNumberFormatter.h>
  30 #include <CoreFoundation/ForFoundationOnly.h>
  31 #include <CoreFoundation/CFBigNumber.h>
  32 #include "CFInternal.h"
  33 #include "CFLocaleInternal.h"
  34 #include "CFICULogging.h"
  35 #include <math.h>
  36 #include <float.h>
  37
  38
  39 static void __CFNumberFormatterCustomize(CFNumberFormatterRef formatter);
  40 static CFStringRef __CFNumberFormatterCreateCompressedString(CFStringRef inString, Boolean isFormat, CFRange *rangep);
  41 static UErrorCode __CFNumberFormatterApplyPattern(CFNumberFormatterRef formatter, CFStringRef pattern);
  42 static CONST_STRING_DECL(kCFNumberFormatterFormattingContextKey, "kCFNumberFormatterFormattingContextKey");
  43
  44 #define BUFFER_SIZE 768
  45
  46 struct __CFNumberFormatter {
  47     CFRuntimeBase _base;
  48     UNumberFormat *_nf;
  49     CFLocaleRef _locale;
  50     CFNumberFormatterStyle _style;
  51     CFStringRef _format;        // NULL for RBNFs
  52     CFStringRef _defformat;
  53     CFStringRef _compformat;
  54     CFNumberRef _multiplier;
  55     CFStringRef _zeroSym;
  56     Boolean _isLenient;
  57     Boolean _userSetMultiplier;
  58     Boolean _usesCharacterDirection;
  59 };
  60
  61 static CFStringRef __CFNumberFormatterCopyDescription(CFTypeRef cf) {
  62     CFNumberFormatterRef formatter = (CFNumberFormatterRef)cf;
  63     return CFStringCreateWithFormat(CFGetAllocator(formatter), NULL, CFSTR("<CFNumberFormatter %p [%p]>"), cf, CFGetAllocator(formatter));
  64 }
  65
  66 static void __CFNumberFormatterDeallocate(CFTypeRef cf) {
  67     CFNumberFormatterRef formatter = (CFNumberFormatterRef)cf;
  68     if (formatter->_nf) __cficu_unum_close(formatter->_nf);
  69     if (formatter->_locale) CFRelease(formatter->_locale);
  70     if (formatter->_format) CFRelease(formatter->_format);
  71     if (formatter->_defformat) CFRelease(formatter->_defformat);
  72     if (formatter->_compformat) CFRelease(formatter->_compformat);
  73     if (formatter->_multiplier) CFRelease(formatter->_multiplier);
  74     if (formatter->_zeroSym) CFRelease(formatter->_zeroSym);
  75 }
  76
  77 static CFTypeID __kCFNumberFormatterTypeID = _kCFRuntimeNotATypeID;
  78
  79 static const CFRuntimeClass __CFNumberFormatterClass = {
  80     0,
  81     "CFNumberFormatter",
  82     NULL,       // init
  83     NULL,       // copy
  84     __CFNumberFormatterDeallocate,
  85     NULL,
  86     NULL,
  87     NULL,       //
  88     __CFNumberFormatterCopyDescription
  89 };
  90
  91 CFTypeID CFNumberFormatterGetTypeID(void) {
  92     static dispatch_once_t initOnce;
  93     dispatch_once(&initOnce, ^{ __kCFNumberFormatterTypeID = _CFRuntimeRegisterClass(&__CFNumberFormatterClass); });
  94     return __kCFNumberFormatterTypeID;
  95 }
  96
  97 CFNumberFormatterRef CFNumberFormatterCreate(CFAllocatorRef allocator, CFLocaleRef locale, CFNumberFormatterStyle style) {
  98     struct __CFNumberFormatter *memory;
  99     uint32_t size = sizeof(struct __CFNumberFormatter) - sizeof(CFRuntimeBase);
 100     if (allocator == NULL) allocator = __CFGetDefaultAllocator();
 101     __CFGenericValidateType(allocator, CFAllocatorGetTypeID());
 102     __CFGenericValidateType(locale, CFLocaleGetTypeID());
 103     memory = (struct __CFNumberFormatter *)_CFRuntimeCreateInstance(allocator, CFNumberFormatterGetTypeID(), size, NULL);
 104     if (NULL == memory) {
 105         return NULL;
 106     }
 107     memory->_nf = NULL;
 108     memory->_locale = NULL;
 109     memory->_format = NULL;
 110     memory->_defformat = NULL;
 111     memory->_compformat = NULL;
 112     memory->_multiplier = NULL;
 113     memory->_zeroSym = NULL;
 114     memory->_isLenient = false;
 115     memory->_userSetMultiplier = false;
 116     memory->_usesCharacterDirection = false;
 117     if (NULL == locale) locale = CFLocaleGetSystem();
 118     memory->_style = style;
 119     uint32_t ustyle;
 120     switch (style) {
 121     case kCFNumberFormatterNoStyle: ustyle = UNUM_IGNORE; break;
 122     case kCFNumberFormatterDecimalStyle: ustyle = UNUM_DECIMAL; break;
 123     case kCFNumberFormatterCurrencyStyle: ustyle = UNUM_CURRENCY; break;
 124     case kCFNumberFormatterPercentStyle: ustyle = UNUM_PERCENT; break;
 125     case kCFNumberFormatterScientificStyle: ustyle = UNUM_SCIENTIFIC; break;
 126     case kCFNumberFormatterSpellOutStyle: ustyle = UNUM_SPELLOUT; break;
 127     case kCFNumberFormatterOrdinalStyle: ustyle = UNUM_ORDINAL; break;
 128     case kCFNumberFormatterDurationStyle: ustyle = UNUM_DURATION; break;
 129     default:
 130         CFAssert2(0, __kCFLogAssertion, "%s(): unknown style %d", __PRETTY_FUNCTION__, style);
 131         ustyle = UNUM_DECIMAL;
 132         memory->_style = kCFNumberFormatterDecimalStyle;
 133         break;
 134     }
 135     CFStringRef localeName = locale ? CFLocaleGetIdentifier(locale) : CFSTR("");
 136     char buffer[BUFFER_SIZE];
 137     const char *cstr = CFStringGetCStringPtr(localeName, kCFStringEncodingASCII);
 138     if (NULL == cstr) {
 139         if (CFStringGetCString(localeName, buffer, BUFFER_SIZE, kCFStringEncodingASCII)) cstr = buffer;
 140     }
 141     if (NULL == cstr) {
 142         CFRelease(memory);
 143         return NULL;
 144     }
 145     UErrorCode status = U_ZERO_ERROR;
 146     memory->_nf = __cficu_unum_open((UNumberFormatStyle)ustyle, NULL, 0, cstr, NULL, &status);
 147     CFAssert2(memory->_nf, __kCFLogAssertion, "%s(): error (%d) creating number formatter", __PRETTY_FUNCTION__, status);
 148     if (NULL == memory->_nf) {
 149         CFRelease(memory);
 150         return NULL;
 151     }
 152     UChar ubuff[4];
 153     if (kCFNumberFormatterNoStyle == style) {
 154         status = U_ZERO_ERROR;
 155         ubuff[0] = '#'; ubuff[1] = ';'; ubuff[2] = '#';
 156         __cficu_unum_applyPattern(memory->_nf, false, ubuff, 3, NULL, &status);
 157         __cficu_unum_setAttribute(memory->_nf, UNUM_MAX_INTEGER_DIGITS, 42);
 158         __cficu_unum_setAttribute(memory->_nf, UNUM_MAX_FRACTION_DIGITS, 0);
 159     }
 160     memory->_locale = locale ? CFLocaleCreateCopy(allocator, locale) : CFLocaleGetSystem();
 161     __CFNumberFormatterCustomize(memory);
 162     if (kCFNumberFormatterSpellOutStyle != memory->_style && kCFNumberFormatterOrdinalStyle != memory->_style && kCFNumberFormatterDurationStyle != memory->_style) {
 163         UChar ubuffer[BUFFER_SIZE];
 164         status = U_ZERO_ERROR;
 165         int32_t ret = __cficu_unum_toPattern(memory->_nf, false, ubuffer, BUFFER_SIZE, &status);
 166         if (U_SUCCESS(status) && ret <= BUFFER_SIZE) {
 167             memory->_format = CFStringCreateWithCharacters(allocator, (const UniChar *)ubuffer, ret);
 168         }
 169     }
 170     memory->_defformat = memory->_format ? (CFStringRef)CFRetain(memory->_format) : NULL;
 171     memory->_compformat = memory->_format ? __CFNumberFormatterCreateCompressedString(memory->_format, true, NULL) : NULL;
 172     if (kCFNumberFormatterSpellOutStyle != memory->_style && kCFNumberFormatterOrdinalStyle != memory->_style && kCFNumberFormatterDurationStyle != memory->_style) {
 173         int32_t n = __cficu_unum_getAttribute(memory->_nf, UNUM_MULTIPLIER);
 174         if (1 != n) {
 175             memory->_multiplier = CFNumberCreate(allocator, kCFNumberSInt32Type, &n);
 176             __cficu_unum_setAttribute(memory->_nf, UNUM_MULTIPLIER, 1);
 177         }
 178     }
 179     __cficu_unum_setAttribute(memory->_nf, UNUM_LENIENT_PARSE, 0);
 180     __cficu_unum_setContext(memory->_nf, UDISPCTX_CAPITALIZATION_NONE, &status);
 181     return (CFNumberFormatterRef)memory;
 182 }
 183
 184 extern CFDictionaryRef __CFLocaleGetPrefs(CFLocaleRef locale);
 185
 186 static void __substituteFormatStringFromPrefsNF(CFNumberFormatterRef formatter) {
 187     CFIndex formatStyle = formatter->_style;
 188     if (kCFNumberFormatterSpellOutStyle == formatStyle) return;
 189     if (kCFNumberFormatterOrdinalStyle == formatStyle) return;
 190     if (kCFNumberFormatterDurationStyle == formatStyle) return;
 191     CFStringRef prefName = CFSTR("AppleICUNumberFormatStrings");
 192     if (kCFNumberFormatterNoStyle != formatStyle) {
 193         CFStringRef pref = NULL;
 194         CFDictionaryRef prefs = __CFLocaleGetPrefs(formatter->_locale);
 195         CFPropertyListRef metapref = prefs ? CFDictionaryGetValue(prefs, prefName) : NULL;
 196         if (NULL != metapref && CFGetTypeID(metapref) == CFDictionaryGetTypeID()) {
 197             CFStringRef key;
 198             switch (formatStyle) {
 199             case kCFNumberFormatterDecimalStyle: key = CFSTR("1"); break;
 200             case kCFNumberFormatterCurrencyStyle: key = CFSTR("2"); break;
 201             case kCFNumberFormatterPercentStyle: key = CFSTR("3"); break;
 202             case kCFNumberFormatterScientificStyle: key = CFSTR("4"); break;
 203             case kCFNumberFormatterSpellOutStyle: key = CFSTR("5"); break;
 204             case kCFNumberFormatterOrdinalStyle: key = CFSTR("6"); break;
 205             case kCFNumberFormatterDurationStyle: key = CFSTR("7"); break;
 206             default: key = CFSTR("0"); break;
 207             }
 208             pref = (CFStringRef)CFDictionaryGetValue((CFDictionaryRef)metapref, key);
 209         }
 210         if (NULL != pref && CFGetTypeID(pref) == CFStringGetTypeID()) {
 211             int32_t icustyle = UNUM_IGNORE;
 212             switch (formatStyle) {
 213             case kCFNumberFormatterDecimalStyle: icustyle = UNUM_DECIMAL; break;
 214             case kCFNumberFormatterCurrencyStyle: icustyle = UNUM_CURRENCY; break;
 215             case kCFNumberFormatterPercentStyle: icustyle = UNUM_PERCENT; break;
 216             case kCFNumberFormatterScientificStyle: icustyle = UNUM_SCIENTIFIC; break;
 217             case kCFNumberFormatterSpellOutStyle: icustyle = UNUM_SPELLOUT; break;
 218             case kCFNumberFormatterOrdinalStyle: icustyle = UNUM_ORDINAL; break;
 219             case kCFNumberFormatterDurationStyle: icustyle = UNUM_DURATION; break;
 220             }
 221             CFStringRef localeName = CFLocaleGetIdentifier(formatter->_locale);
 222             char buffer[BUFFER_SIZE];
 223             const char *cstr = CFStringGetCStringPtr(localeName, kCFStringEncodingASCII);
 224             if (NULL == cstr) {
 225                 if (CFStringGetCString(localeName, buffer, BUFFER_SIZE, kCFStringEncodingASCII)) cstr = buffer;
 226             }
 227             UErrorCode status = U_ZERO_ERROR;
 228             UNumberFormat *nf = __cficu_unum_open((UNumberFormatStyle)icustyle, NULL, 0, cstr, NULL, &status);
 229             if (NULL != nf) {
 230                 UChar ubuffer[BUFFER_SIZE];
 231                 status = U_ZERO_ERROR;
 232                 int32_t number_len = __cficu_unum_toPattern(nf, false, ubuffer, BUFFER_SIZE, &status);
 233                 if (U_SUCCESS(status) && number_len <= BUFFER_SIZE) {
 234                     CFStringRef numberString = CFStringCreateWithCharacters(kCFAllocatorSystemDefault, (const UniChar *)ubuffer, number_len);
 235                     status = U_ZERO_ERROR;
 236                     int32_t formatter_len = __cficu_unum_toPattern(formatter->_nf, false, ubuffer, BUFFER_SIZE, &status);
 237                     if (U_SUCCESS(status) && formatter_len <= BUFFER_SIZE) {
 238                         CFMutableStringRef formatString = CFStringCreateMutable(kCFAllocatorSystemDefault, 0);
 239                         CFStringAppendCharacters(formatString, (const UniChar *)ubuffer, formatter_len);
 240                         // find numberString inside formatString, substitute the pref in that range
 241                         CFRange result;
 242                         if (CFStringFindWithOptions(formatString, numberString, CFRangeMake(0, formatter_len), 0, &result)) {
 243                             CFStringReplace(formatString, result, pref);
 244                             __CFNumberFormatterApplyPattern(formatter, formatString);
 245                         }
 246                         CFRelease(formatString);
 247                     }
 248                     CFRelease(numberString);
 249                 }
 250                 __cficu_unum_close(nf);
 251             }
 252         }
 253     }
 254 }
 255
 256 static UniChar __CFNumberFormatterNormalizeCharacter(UniChar c) {
 257     if (CFCharacterSetIsCharacterMember(CFCharacterSetGetPredefined(kCFCharacterSetWhitespace), c)) {
 258         return ' ';
 259     } else {
 260         return c;
 261     }
 262 }
 263
 264 /* Attempt to match the unimplemented lenient parsing behavior described at http://www.unicode.org/reports/tr35/#Lenient_Parsing -- specifically any whitespace is ignored that does not exist between two letters or two numbers, and no-break spaces map to spaces. */
 265 static CFStringRef __CFNumberFormatterCreateCompressedString(CFStringRef inString, Boolean isFormat, CFRange *rangep) {
 266     if (!inString) return NULL;
 267     CFRange range = { 0, 0 };
 268     if (rangep) {
 269         range = *rangep;
 270     } else {
 271         range.length = CFStringGetLength(inString);
 272     }
 273     CFMutableStringRef outString = CFStringCreateMutable(kCFAllocatorSystemDefault, 0);
 274     CFCharacterSetRef letters = CFCharacterSetGetPredefined(kCFCharacterSetLetter);
 275     CFCharacterSetRef numbers = CFCharacterSetGetPredefined(kCFCharacterSetDecimalDigit);
 276     UniChar prevCh = 0, nextCh = 0;
 277     Boolean inQuote = false;
 278     for (CFIndex in_idx = range.location; in_idx < range.location + range.length; in_idx++) {
 279         UniChar ch = __CFNumberFormatterNormalizeCharacter(CFStringGetCharacterAtIndex(inString, in_idx));
 280         nextCh = (in_idx+1 < range.length) ? CFStringGetCharacterAtIndex(inString, in_idx+1) : 0;
 281         if (isFormat && ch == '\'') inQuote = !inQuote;
 282         if (inQuote || ch != ' ' || (CFCharacterSetIsCharacterMember(letters, prevCh) && CFCharacterSetIsCharacterMember(letters, nextCh)) || (CFCharacterSetIsCharacterMember(numbers, prevCh) && CFCharacterSetIsCharacterMember(numbers, nextCh))) {
 283             CFStringAppendCharacters(outString, &ch, 1);
 284             prevCh = ch;
 285         }
 286     }
 287     return outString;
 288 }
 289
 290 // Should not be called for rule-based ICU formatters; not supported
 291 static void __CFNumberFormatterApplySymbolPrefs(const void *key, const void *value, void *context) {
 292     if (CFGetTypeID(key) == CFStringGetTypeID() && CFGetTypeID(value) == CFStringGetTypeID()) {
 293         CFNumberFormatterRef formatter = (CFNumberFormatterRef)context;
 294         UNumberFormatSymbol sym = (UNumberFormatSymbol)CFStringGetIntValue((CFStringRef)key);
 295         CFStringRef item = (CFStringRef)value;
 296         CFIndex item_cnt = CFStringGetLength(item);
 297         STACK_BUFFER_DECL(UChar, item_buffer, item_cnt);
 298         UChar *item_ustr = (UChar *)CFStringGetCharactersPtr(item);
 299         if (NULL == item_ustr) {
 300             CFStringGetCharacters(item, CFRangeMake(0, __CFMin(BUFFER_SIZE, item_cnt)), (UniChar *)item_buffer);
 301             item_ustr = item_buffer;
 302         }
 303         UErrorCode status = U_ZERO_ERROR;
 304         __cficu_unum_setSymbol(formatter->_nf, sym, item_ustr, item_cnt, &status);
 305    }
 306 }
 307
 308 // Should not be called for rule-based ICU formatters
 309 static UErrorCode __CFNumberFormatterApplyPattern(CFNumberFormatterRef formatter, CFStringRef pattern) {
 310     if (kCFNumberFormatterSpellOutStyle == formatter->_style) return U_UNSUPPORTED_ERROR;
 311     if (kCFNumberFormatterOrdinalStyle == formatter->_style) return U_UNSUPPORTED_ERROR;
 312     if (kCFNumberFormatterDurationStyle == formatter->_style) return U_UNSUPPORTED_ERROR;
 313     CFIndex cnt = CFStringGetLength(pattern);
 314     STACK_BUFFER_DECL(UChar, ubuffer, cnt);
 315     const UChar *ustr = (const UChar *)CFStringGetCharactersPtr(pattern);
 316     if (NULL == ustr) {
 317         CFStringGetCharacters(pattern, CFRangeMake(0, cnt), (UniChar *)ubuffer);
 318         ustr = ubuffer;
 319     }
 320     UErrorCode status = U_ZERO_ERROR;
 321     __cficu_unum_applyPattern(formatter->_nf, false, ustr, cnt, NULL, &status);
 322
 323     // __cficu_unum_applyPattern() may have magically changed other attributes based on
 324     // the contents of the format string; we simply expose that ICU behavior, except
 325     // for UNUM_MULTIPLIER, which we re-read and reset, like we did at initialization
 326     // time though any user-set multiplier state takes precedence.
 327     if (formatter->_userSetMultiplier) {
 328         __cficu_unum_setAttribute(formatter->_nf, UNUM_MULTIPLIER, 1);
 329     } else {
 330         if (formatter->_multiplier) CFRelease(formatter->_multiplier);
 331         formatter->_multiplier = NULL;
 332         int32_t n = __cficu_unum_getAttribute(formatter->_nf, UNUM_MULTIPLIER);
 333         if (1 != n) {
 334             formatter->_multiplier = CFNumberCreate(CFGetAllocator(formatter), kCFNumberSInt32Type, &n);
 335             __cficu_unum_setAttribute(formatter->_nf, UNUM_MULTIPLIER, 1);
 336         }
 337     }
 338     return status;
 339 }
 340
 341 static void __CFNumberFormatterCustomize(CFNumberFormatterRef formatter) {
 342     __substituteFormatStringFromPrefsNF(formatter);
 343     CFDictionaryRef prefs = __CFLocaleGetPrefs(formatter->_locale);
 344     CFPropertyListRef metapref = prefs ? CFDictionaryGetValue(prefs, CFSTR("AppleICUNumberSymbols")) : NULL;
 345     if (NULL != metapref && CFGetTypeID(metapref) == CFDictionaryGetTypeID()) {
 346         CFDictionaryApplyFunction((CFDictionaryRef)metapref, __CFNumberFormatterApplySymbolPrefs, formatter);
 347     }
 348 }
 349
 350 CFLocaleRef CFNumberFormatterGetLocale(CFNumberFormatterRef formatter) {
 351     __CFGenericValidateType(formatter, CFNumberFormatterGetTypeID());
 352     return formatter->_locale;
 353 }
 354
 355 CFNumberFormatterStyle CFNumberFormatterGetStyle(CFNumberFormatterRef formatter) {
 356     __CFGenericValidateType(formatter, CFNumberFormatterGetTypeID());
 357     return formatter->_style;
 358 }
 359
 360 CFStringRef CFNumberFormatterGetFormat(CFNumberFormatterRef formatter) {
 361     __CFGenericValidateType(formatter, CFNumberFormatterGetTypeID());
 362     if (kCFNumberFormatterSpellOutStyle == formatter->_style) return NULL;
 363     if (kCFNumberFormatterOrdinalStyle == formatter->_style) return NULL;
 364     if (kCFNumberFormatterDurationStyle == formatter->_style) return NULL;
 365     UChar ubuffer[BUFFER_SIZE];
 366     CFStringRef newString = NULL;
 367     UErrorCode status = U_ZERO_ERROR;
 368     int32_t ret = __cficu_unum_toPattern(formatter->_nf, false, ubuffer, BUFFER_SIZE, &status);
 369     if (U_SUCCESS(status) && ret <= BUFFER_SIZE) {
 370         newString = CFStringCreateWithCharacters(CFGetAllocator(formatter), (const UniChar *)ubuffer, ret);
 371     }
 372     if (newString && !formatter->_format) {
 373         formatter->_format = newString;
 374         if (formatter->_compformat) CFRelease(formatter->_compformat);
 375         formatter->_compformat = __CFNumberFormatterCreateCompressedString(formatter->_format, true, NULL);
 376     } else if (newString && !CFEqual(newString, formatter->_format)) {
 377         CFRelease(formatter->_format);
 378         formatter->_format = newString;
 379         if (formatter->_compformat) CFRelease(formatter->_compformat);
 380         formatter->_compformat = __CFNumberFormatterCreateCompressedString(formatter->_format, true, NULL);
 381     } else if (newString) {
 382         CFRelease(newString);
 383     }
 384     return formatter->_format;
 385 }
 386
 387 void CFNumberFormatterSetFormat(CFNumberFormatterRef formatter, CFStringRef formatString) {
 388     __CFGenericValidateType(formatter, CFNumberFormatterGetTypeID());
 389     __CFGenericValidateType(formatString, CFStringGetTypeID());
 390     if (kCFNumberFormatterSpellOutStyle == formatter->_style) return;
 391     if (kCFNumberFormatterOrdinalStyle == formatter->_style) return;
 392     if (kCFNumberFormatterDurationStyle == formatter->_style) return;
 393     CFIndex cnt = CFStringGetLength(formatString);
 394     CFAssert1(cnt <= 1024, __kCFLogAssertion, "%s(): format string too long", __PRETTY_FUNCTION__);
 395     if ((!formatter->_format || !CFEqual(formatter->_format, formatString)) && cnt <= 1024) {
 396         UErrorCode status = __CFNumberFormatterApplyPattern(formatter, formatString);
 397         if (U_SUCCESS(status)) {
 398             UChar ubuffer2[BUFFER_SIZE];
 399             status = U_ZERO_ERROR;
 400             int32_t ret = __cficu_unum_toPattern(formatter->_nf, false, ubuffer2, BUFFER_SIZE, &status);
 401             if (U_SUCCESS(status) && ret <= BUFFER_SIZE) {
 402                 if (formatter->_format) CFRelease(formatter->_format);
 403                 formatter->_format = CFStringCreateWithCharacters(CFGetAllocator(formatter), (const UniChar *)ubuffer2, ret);
 404                 if (formatter->_compformat) CFRelease(formatter->_compformat);
 405                 formatter->_compformat = __CFNumberFormatterCreateCompressedString(formatter->_format, true, NULL);
 406             }
 407         }
 408     }
 409 }
 410
 411 #define GET_MULTIPLIER                      \
 412         double multiplier = 1.0;            \
 413         double dummy = 0.0;                 \
 414         if (formatter->_multiplier) {       \
 415             if (!CFNumberGetValue(formatter->_multiplier, kCFNumberFloat64Type, &multiplier)) { \
 416                 multiplier = 1.0;           \
 417             }                               \
 418         }                                   \
 419         if (modf(multiplier, &dummy) < FLT_EPSILON) {   \
 420             multiplier = floor(multiplier);             \
 421         }
 422
 423 CFStringRef CFNumberFormatterCreateStringWithNumber(CFAllocatorRef allocator, CFNumberFormatterRef formatter, CFNumberRef number) {
 424     if (allocator == NULL) allocator = __CFGetDefaultAllocator();
 425     __CFGenericValidateType(allocator, CFAllocatorGetTypeID());
 426     __CFGenericValidateType(formatter, CFNumberFormatterGetTypeID());
 427     __CFGenericValidateType(number, CFNumberGetTypeID());
 428     // The values of CFNumbers with large unsigned 64-bit ints don't survive well through this
 429     CFNumberType type = CFNumberGetType(number);
 430     char buffer[64];
 431     CFNumberGetValue(number, type, buffer);
 432     return CFNumberFormatterCreateStringWithValue(allocator, formatter, type, buffer);
 433 }
 434
 435 #define FORMAT_FLT(T, FUNC)                                                     \
 436         T value = *(T *)valuePtr;                                       \
 437         if (0 == value && formatter->_zeroSym) { return (CFStringRef)CFRetain(formatter->_zeroSym); }   \
 438         if (1.0 != multiplier) {                                        \
 439                 value = (T)(value * multiplier);                     \
 440         }                                                               \
 441         status = U_ZERO_ERROR;                                          \
 442         used = FUNC(formatter->_nf, value, ubuffer + 1, cnt, NULL, &status); \
 443         if (status == U_BUFFER_OVERFLOW_ERROR || cnt < used) {          \
 444             cnt = used + 1 + 1;                                         \
 445             ustr = (UChar *)CFAllocatorAllocate(kCFAllocatorSystemDefault, sizeof(UChar) * cnt, 0); \
 446             status = U_ZERO_ERROR;                                      \
 447             used = FUNC(formatter->_nf, value, ustr + 1, cnt, NULL, &status); \
 448         }
 449
 450 #define FORMAT_INT(T, FUN)                                                   \
 451         T value = *(T *)valuePtr;                                       \
 452         if (0 == value && formatter->_zeroSym) { return (CFStringRef)CFRetain(formatter->_zeroSym); }   \
 453         if (1.0 != multiplier) {                                        \
 454             value = (T)(value * multiplier);                        \
 455         }                                                           \
 456         _CFBigNum bignum;                                           \
 457         FUN(&bignum, value);                                        \
 458         char buffer[BUFFER_SIZE + 1];                                           \
 459         _CFBigNumToCString(&bignum, false, true, buffer, BUFFER_SIZE);      \
 460         status = U_ZERO_ERROR;                                      \
 461         used = __cficu_unum_formatDecimal(formatter->_nf, buffer, strlen(buffer), ubuffer + 1, BUFFER_SIZE, NULL, &status);     \
 462         if (status == U_BUFFER_OVERFLOW_ERROR || cnt < used) {      \
 463             cnt = used + 1 + 1;                                         \
 464             ustr = (UChar *)CFAllocatorAllocate(kCFAllocatorSystemDefault, sizeof(UChar) * cnt, 0);                 \
 465             status = U_ZERO_ERROR;                                  \
 466             used = __cficu_unum_formatDecimal(formatter->_nf, buffer, strlen(buffer), ustr + 1, cnt, NULL, &status);            \
 467         }                                                           \
 468
 469 CFStringRef CFNumberFormatterCreateStringWithValue(CFAllocatorRef allocator, CFNumberFormatterRef formatter, CFNumberType numberType, const void *valuePtr) {
 470     if (allocator == NULL) allocator = __CFGetDefaultAllocator();
 471     __CFGenericValidateType(allocator, CFAllocatorGetTypeID());
 472     __CFGenericValidateType(formatter, CFNumberFormatterGetTypeID());
 473     GET_MULTIPLIER;
 474     UChar *ustr = NULL, ubuffer[BUFFER_SIZE + 1];
 475     UErrorCode status = U_ZERO_ERROR;
 476     CFIndex used, cnt = BUFFER_SIZE;
 477     if (numberType == kCFNumberFloat64Type || numberType == kCFNumberDoubleType) {
 478         FORMAT_FLT(double, __cficu_unum_formatDouble)
 479     } else if (numberType == kCFNumberFloat32Type || numberType == kCFNumberFloatType) {
 480         FORMAT_FLT(float, __cficu_unum_formatDouble)
 481     } else if (numberType == kCFNumberSInt64Type || numberType == kCFNumberLongLongType) {
 482         FORMAT_INT(int64_t, _CFBigNumInitWithInt64)
 483     } else if (numberType == kCFNumberLongType || numberType == kCFNumberCFIndexType) {
 484 #if __LP64__
 485         FORMAT_INT(int64_t, _CFBigNumInitWithInt64)
 486 #else
 487         FORMAT_INT(int32_t, _CFBigNumInitWithInt32)
 488 #endif
 489     } else if (numberType == kCFNumberSInt32Type || numberType == kCFNumberIntType) {
 490         FORMAT_INT(int32_t, _CFBigNumInitWithInt32)
 491     } else if (numberType == kCFNumberSInt16Type || numberType == kCFNumberShortType) {
 492         FORMAT_INT(int16_t, _CFBigNumInitWithInt16)
 493     } else if (numberType == kCFNumberSInt8Type || numberType == kCFNumberCharType) {
 494         FORMAT_INT(int8_t, _CFBigNumInitWithInt8)
 495     } else {
 496         CFAssert2(0, __kCFLogAssertion, "%s(): unknown CFNumberType (%d)", __PRETTY_FUNCTION__, numberType);
 497         return NULL;
 498     }
 499     CFStringRef string = NULL;
 500     if (U_SUCCESS(status)) {
 501         UniChar *bufferToUse = ustr ? (UniChar *)ustr : (UniChar *)ubuffer;
 502         if (formatter->_usesCharacterDirection && CFLocaleGetLanguageCharacterDirection(CFLocaleGetIdentifier(formatter->_locale)) == kCFLocaleLanguageDirectionRightToLeft) {
 503             // Insert Unicode RTL marker
 504             bufferToUse[0] = 0x200F;
 505             used++;
 506         } else {
 507             // Move past direction marker
 508             bufferToUse++;
 509         }
 510         string = CFStringCreateWithCharacters(allocator, bufferToUse, used);
 511     }
 512     if (ustr) CFAllocatorDeallocate(kCFAllocatorSystemDefault, ustr);
 513     return string;
 514 }
 515
 516 #undef FORMAT_FLT
 517 #undef FORMAT_INT
 518 #undef GET_MULTIPLIER
 519
 520 CFNumberRef CFNumberFormatterCreateNumberFromString(CFAllocatorRef allocator, CFNumberFormatterRef formatter, CFStringRef string, CFRange *rangep, CFOptionFlags options) {
 521     if (allocator == NULL) allocator = __CFGetDefaultAllocator();
 522     __CFGenericValidateType(allocator, CFAllocatorGetTypeID());
 523     __CFGenericValidateType(formatter, CFNumberFormatterGetTypeID());
 524     __CFGenericValidateType(string, CFStringGetTypeID());
 525     char buffer[16] __attribute__ ((aligned (8)));
 526     CFRange r = rangep ? *rangep : CFRangeMake(0, CFStringGetLength(string));
 527     CFNumberRef multiplierRef = formatter->_multiplier;
 528     formatter->_multiplier = NULL;
 529     Boolean b = CFNumberFormatterGetValueFromString(formatter, string, &r, kCFNumberSInt64Type, buffer);
 530     formatter->_multiplier = multiplierRef;
 531     if (b) {
 532         Boolean passedMultiplier = true;
 533         // We handle the multiplier case here manually; the final
 534         // result is supposed to be (parsed value) / (multiplier), but
 535         // the int case here should only succeed if the parsed value
 536         // is an exact multiple of the multiplier.
 537         if (multiplierRef) {
 538             int64_t tmp = *(int64_t *)buffer;
 539             double multiplier = 1.0;
 540             if (!CFNumberGetValue(multiplierRef, kCFNumberFloat64Type, &multiplier)) {
 541                 multiplier = 1.0;
 542             }
 543             double dummy;
 544             if (llabs(tmp) < fabs(multiplier)) {
 545                 passedMultiplier = false;
 546             } else if (fabs(multiplier) < 1.0) { // We can't handle this math yet
 547                 passedMultiplier = false;
 548             } else if (modf(multiplier, &dummy) == 0.0) { // multiplier is an integer
 549                 int64_t imult = (int64_t)multiplier;
 550                 int64_t rem = tmp % imult;
 551                 if (rem != 0) passedMultiplier = false;
 552                 if (passedMultiplier) {
 553                     tmp = tmp / imult;
 554                     *(int64_t *)buffer = tmp;
 555                 }
 556             } else if (multiplier == -1.0) { // simple
 557                 tmp = tmp * -1;
 558                 *(int64_t *)buffer = tmp;
 559             } else if (multiplier != 1.0) {
 560                 // First, throw away integer multiples of the multiplier to
 561                 // bring the value down to less than 2^53, so that we can
 562                 // cast it to double without losing any precision, important
 563                 // for the "remainder is zero" test.
 564                 // Find power of two which, when multiplier is multiplied by it,
 565                 // results in an integer value. pwr will be <= 52 since multiplier
 566                 // is at least 1.
 567                 int pwr = 0;
 568                 double intgrl;
 569                 while (modf(scalbn(multiplier, pwr), &intgrl) != 0.0) pwr++;
 570                 int64_t i2 = (int64_t)intgrl;
 571                 // scale pwr and i2 up to a reasonably large value so the next loop doesn't take forever
 572                 while (llabs(i2) < (1LL << 50)) { i2 *= 2; pwr++; }
 573                 int64_t cnt = 0;
 574                 while ((1LL << 53) <= llabs(tmp)) {
 575                     // subtract (multiplier * 2^pwr) each time
 576                     tmp -= i2; // move tmp toward zero
 577                     cnt += (1LL << pwr); // remember how many 2^pwr we subtracted
 578                 }
 579                 // If the integer is less than 2^53, there is no loss
 580                 // in converting it to double, so we can just do the
 581                 // direct operation now.
 582                 double rem = fmod((double)tmp, multiplier);
 583                 if (rem != 0.0) passedMultiplier = false;
 584                 if (passedMultiplier) {
 585                     // The original tmp, which we need to divide by multiplier, is at this point:
 586                     //   tmp + k * 2^n * multiplier, where k is the number of loop iterations
 587                     // That original value needs to be divided by multiplier and put back in the
 588                     // buffer.  Noting that k * 2^n == cnt, and after some algebra, we have:
 589                     tmp = (int64_t)((double)tmp / multiplier) + cnt;
 590                     *(int64_t *)buffer = tmp;
 591                 }
 592             }
 593         }
 594         if (passedMultiplier && ((r.length == CFStringGetLength(string)) || (options & kCFNumberFormatterParseIntegersOnly))) {
 595             if (rangep) *rangep = r;
 596             return CFNumberCreate(allocator, kCFNumberSInt64Type, buffer);
 597         }
 598     }
 599     if (options & kCFNumberFormatterParseIntegersOnly) return NULL;
 600     if (CFNumberFormatterGetValueFromString(formatter, string, rangep, kCFNumberFloat64Type, buffer)) {
 601         return CFNumberCreate(allocator, kCFNumberFloat64Type, buffer);
 602     }
 603     return NULL;
 604 }
 605
 606 Boolean CFNumberFormatterGetValueFromString(CFNumberFormatterRef formatter, CFStringRef string, CFRange *rangep, CFNumberType numberType, void *valuePtr) {
 607     __CFGenericValidateType(formatter, CFNumberFormatterGetTypeID());
 608     __CFGenericValidateType(string, CFStringGetTypeID());
 609     CFStringRef stringToParse = formatter->_isLenient ? __CFNumberFormatterCreateCompressedString(string, false, rangep) : (CFStringRef)CFRetain(string);
 610     CFRange range = {0, 0};
 611     if(formatter->_isLenient) {
 612         range.length = CFStringGetLength(stringToParse);
 613     } else {
 614         if (rangep) {
 615             range = *rangep;
 616         } else {
 617             range.length = CFStringGetLength(stringToParse);
 618         }
 619         // __cficu_unum_parse chokes on leading whitespace
 620         CFCharacterSetRef whitespace = CFCharacterSetGetPredefined(kCFCharacterSetWhitespace);
 621         while(range.length > 0 && CFCharacterSetIsCharacterMember(whitespace, CFStringGetCharacterAtIndex(stringToParse, range.location))) {
 622             range.location++;
 623             range.length--;
 624         }
 625     }
 626     Boolean isZero = false;
 627     if (formatter->_zeroSym) {
 628         CFStringRef zeroSym = formatter->_isLenient ? __CFNumberFormatterCreateCompressedString(formatter->_zeroSym, false, NULL) : (CFStringRef)CFRetain(formatter->_zeroSym);
 629         if (kCFCompareEqualTo == CFStringCompare(stringToParse, zeroSym, 0)) {
 630             isZero = true;
 631         }
 632         CFRelease(zeroSym);
 633     }
 634     if (1024 < range.length) range.length = 1024;
 635     const UChar *ustr = (const UChar *)CFStringGetCharactersPtr(stringToParse);
 636     STACK_BUFFER_DECL(UChar, ubuffer, (NULL == ustr) ? range.length : 1);
 637     if (NULL == ustr) {
 638         CFStringGetCharacters(stringToParse, range, (UniChar *)ubuffer);
 639         ustr = ubuffer;
 640     } else if (!formatter->_isLenient) {
 641         ustr += range.location;
 642     }
 643     CFNumberRef multiplierRef = formatter->_multiplier;
 644     formatter->_multiplier = NULL;
 645     if (formatter->_isLenient) {
 646         __CFNumberFormatterApplyPattern(formatter, formatter->_compformat);
 647         if (formatter->_multiplier) CFRelease(formatter->_multiplier);
 648         formatter->_multiplier = NULL;
 649     }
 650     Boolean integerOnly = 1;
 651     switch (numberType) {
 652     case kCFNumberSInt8Type: case kCFNumberCharType:
 653     case kCFNumberSInt16Type: case kCFNumberShortType:
 654     case kCFNumberSInt32Type: case kCFNumberIntType:
 655     case kCFNumberLongType: case kCFNumberCFIndexType:
 656     case kCFNumberSInt64Type: case kCFNumberLongLongType:
 657         __cficu_unum_setAttribute(formatter->_nf, UNUM_PARSE_INT_ONLY, 1); // ignored by ICU for rule-based formatters
 658         break;
 659     default:
 660         __cficu_unum_setAttribute(formatter->_nf, UNUM_PARSE_INT_ONLY, 0); // ignored by ICU for rule-based formatters
 661         integerOnly = 0;
 662         break;
 663     }
 664     int32_t dpos = 0;
 665     UErrorCode status = U_ZERO_ERROR;
 666     int64_t dreti = 0;
 667     double dretd = 0.0;
 668     if (isZero) {
 669         dpos = rangep ? rangep->length : 0;
 670     } else {
 671         char buffer[1024];
 672         memset(buffer, 0, sizeof(buffer));
 673         int32_t len = __cficu_unum_parseDecimal(formatter->_nf, ustr, range.length, &dpos, buffer, sizeof(buffer), &status);
 674         if (!U_FAILURE(status) && 0 < len && integerOnly) {
 675             char *endptr = NULL;
 676             errno = 0;
 677             dreti = strtoll_l(buffer, &endptr, 10, NULL);
 678             if (!(errno == 0 && *endptr == '\0')) status = U_INVALID_FORMAT_ERROR;
 679         }
 680         if (!U_FAILURE(status) && 0 < len) {
 681             char *endptr = NULL;
 682             errno = 0;
 683             dretd = strtod_l(buffer, &endptr, NULL);
 684             if (!(errno == 0 && *endptr == '\0')) status = U_INVALID_FORMAT_ERROR;
 685         }
 686     }
 687     if (formatter->_isLenient) {
 688         if (rangep) {
 689             CFIndex uncompEnd = rangep->location + rangep->length;
 690             CFIndex uncompIdx = rangep->location;
 691             for (CFIndex compIdx = 0; compIdx < dpos && uncompIdx < uncompEnd; compIdx++, uncompIdx++) {
 692                 while (uncompIdx < uncompEnd && ustr[compIdx] != __CFNumberFormatterNormalizeCharacter(CFStringGetCharacterAtIndex(string, uncompIdx))) uncompIdx++;
 693             }
 694             rangep->length = uncompIdx - rangep->location;
 695         }
 696         __CFNumberFormatterApplyPattern(formatter, formatter->_format);
 697         if (formatter->_multiplier) CFRelease(formatter->_multiplier);
 698         formatter->_multiplier = NULL;
 699     } else if (rangep) {
 700         rangep->length = dpos + (range.location - rangep->location);
 701     }
 702     formatter->_multiplier = multiplierRef;
 703     CFRelease(stringToParse);
 704     if (U_FAILURE(status)) {
 705         return false;
 706     }
 707     if (formatter->_multiplier) {
 708         double multiplier = 1.0;
 709         if (!CFNumberGetValue(formatter->_multiplier, kCFNumberFloat64Type, &multiplier)) {
 710             multiplier = 1.0;
 711         }
 712         dreti = (int64_t)((double)dreti / multiplier); // integer truncation, plus double cast can be lossy for dreti > 2^53
 713         dretd = dretd / multiplier;
 714     }
 715     switch (numberType) {
 716     case kCFNumberSInt8Type: case kCFNumberCharType:
 717         if (INT8_MIN <= dreti && dreti <= INT8_MAX) {
 718             *(int8_t *)valuePtr = (int8_t)dreti;
 719             return true;
 720         }
 721         break;
 722     case kCFNumberSInt16Type: case kCFNumberShortType:
 723         if (INT16_MIN <= dreti && dreti <= INT16_MAX) {
 724             *(int16_t *)valuePtr = (int16_t)dreti;
 725             return true;
 726         }
 727         break;
 728     case kCFNumberSInt32Type: case kCFNumberIntType:
 729 #if !__LP64__
 730     case kCFNumberLongType: case kCFNumberCFIndexType:
 731 #endif
 732         if (INT32_MIN <= dreti && dreti <= INT32_MAX) {
 733             *(int32_t *)valuePtr = (int32_t)dreti;
 734             return true;
 735         }
 736         break;
 737     case kCFNumberSInt64Type: case kCFNumberLongLongType:
 738 #if __LP64__
 739     case kCFNumberLongType: case kCFNumberCFIndexType:
 740 #endif
 741         if (INT64_MIN <= dreti && dreti <= INT64_MAX) {
 742             *(int64_t *)valuePtr = (int64_t)dreti;
 743             return true;
 744         }
 745         break;
 746     case kCFNumberFloat32Type: case kCFNumberFloatType:
 747         if (-FLT_MAX <= dretd && dretd <= FLT_MAX) {
 748             *(float *)valuePtr = (float)dretd;
 749             return true;
 750         }
 751         break;
 752     case kCFNumberFloat64Type: case kCFNumberDoubleType:
 753         if (-DBL_MAX <= dretd && dretd <= DBL_MAX) {
 754             *(double *)valuePtr = (double)dretd;
 755             return true;
 756         }
 757         break;
 758     }
 759     return false;
 760 }
 761
 762 void CFNumberFormatterSetProperty(CFNumberFormatterRef formatter, CFStringRef key, CFTypeRef value) {
 763     int32_t n;
 764     double d;
 765     UErrorCode status = U_ZERO_ERROR;
 766     UChar ubuffer[BUFFER_SIZE];
 767     CFIndex cnt;
 768     __CFGenericValidateType(formatter, CFNumberFormatterGetTypeID());
 769     __CFGenericValidateType(key, CFStringGetTypeID());
 770     // rule-based formatters don't do attributes and symbols, except for one
 771     if (CFEqual(kCFNumberFormatterFormattingContextKey, key)) {
 772         __CFGenericValidateType(value, CFNumberGetTypeID());
 773         CFNumberGetValue((CFNumberRef)value, kCFNumberSInt32Type, &n);
 774         __cficu_unum_setContext(formatter->_nf, n, &status);
 775     }
 776     if (kCFNumberFormatterSpellOutStyle == formatter->_style && kCFNumberFormatterIsLenientKey != key) return;
 777     if (kCFNumberFormatterOrdinalStyle == formatter->_style && kCFNumberFormatterIsLenientKey != key) return;
 778     if (kCFNumberFormatterDurationStyle == formatter->_style && kCFNumberFormatterIsLenientKey != key) return;
 779     if (kCFNumberFormatterCurrencyCodeKey == key) {
 780         __CFGenericValidateType(value, CFStringGetTypeID());
 781         cnt = CFStringGetLength((CFStringRef)value);
 782         if (BUFFER_SIZE < cnt) cnt = BUFFER_SIZE;
 783         CFStringGetCharacters((CFStringRef)value, CFRangeMake(0, cnt), (UniChar *)ubuffer);
 784         __cficu_unum_setTextAttribute(formatter->_nf, UNUM_CURRENCY_CODE, ubuffer, cnt, &status);
 785     } else if (kCFNumberFormatterDecimalSeparatorKey == key) {
 786         __CFGenericValidateType(value, CFStringGetTypeID());
 787         cnt = CFStringGetLength((CFStringRef)value);
 788         if (BUFFER_SIZE < cnt) cnt = BUFFER_SIZE;
 789         CFStringGetCharacters((CFStringRef)value, CFRangeMake(0, cnt), (UniChar *)ubuffer);
 790         __cficu_unum_setSymbol(formatter->_nf, UNUM_DECIMAL_SEPARATOR_SYMBOL, ubuffer, cnt, &status);
 791     } else if (kCFNumberFormatterCurrencyDecimalSeparatorKey == key) {
 792         __CFGenericValidateType(value, CFStringGetTypeID());
 793         cnt = CFStringGetLength((CFStringRef)value);
 794         if (BUFFER_SIZE < cnt) cnt = BUFFER_SIZE;
 795         CFStringGetCharacters((CFStringRef)value, CFRangeMake(0, cnt), (UniChar *)ubuffer);
 796         __cficu_unum_setSymbol(formatter->_nf, UNUM_MONETARY_SEPARATOR_SYMBOL, ubuffer, cnt, &status);
 797     } else if (kCFNumberFormatterAlwaysShowDecimalSeparatorKey == key) {
 798         __CFGenericValidateType(value, CFBooleanGetTypeID());
 799         __cficu_unum_setAttribute(formatter->_nf, UNUM_DECIMAL_ALWAYS_SHOWN, (kCFBooleanTrue == value));
 800     } else if (kCFNumberFormatterGroupingSeparatorKey == key) {
 801         __CFGenericValidateType(value, CFStringGetTypeID());
 802         cnt = CFStringGetLength((CFStringRef)value);
 803         if (BUFFER_SIZE < cnt) cnt = BUFFER_SIZE;
 804         CFStringGetCharacters((CFStringRef)value, CFRangeMake(0, cnt), (UniChar *)ubuffer);
 805         __cficu_unum_setSymbol(formatter->_nf, UNUM_GROUPING_SEPARATOR_SYMBOL, (const UChar *)ubuffer, cnt, &status);
 806     } else if (kCFNumberFormatterUseGroupingSeparatorKey == key) {
 807         __CFGenericValidateType(value, CFBooleanGetTypeID());
 808         __cficu_unum_setAttribute(formatter->_nf, UNUM_GROUPING_USED, (kCFBooleanTrue == value));
 809     } else if (kCFNumberFormatterPercentSymbolKey == key) {
 810         __CFGenericValidateType(value, CFStringGetTypeID());
 811         cnt = CFStringGetLength((CFStringRef)value);
 812         if (BUFFER_SIZE < cnt) cnt = BUFFER_SIZE;
 813         CFStringGetCharacters((CFStringRef)value, CFRangeMake(0, cnt), (UniChar *)ubuffer);
 814         __cficu_unum_setSymbol(formatter->_nf, UNUM_PERCENT_SYMBOL, ubuffer, cnt, &status);
 815     } else if (kCFNumberFormatterZeroSymbolKey == key) {
 816         __CFGenericValidateType(value, CFStringGetTypeID());
 817         CFStringRef old = formatter->_zeroSym;
 818         formatter->_zeroSym = value ? (CFStringRef)CFRetain(value) : NULL;
 819         if (old) CFRelease(old);
 820     } else if (kCFNumberFormatterNaNSymbolKey == key) {
 821         __CFGenericValidateType(value, CFStringGetTypeID());
 822         cnt = CFStringGetLength((CFStringRef)value);
 823         if (BUFFER_SIZE < cnt) cnt = BUFFER_SIZE;
 824         CFStringGetCharacters((CFStringRef)value, CFRangeMake(0, cnt), (UniChar *)ubuffer);
 825         __cficu_unum_setSymbol(formatter->_nf, UNUM_NAN_SYMBOL, ubuffer, cnt, &status);
 826     } else if (kCFNumberFormatterInfinitySymbolKey == key) {
 827         __CFGenericValidateType(value, CFStringGetTypeID());
 828         cnt = CFStringGetLength((CFStringRef)value);
 829         if (BUFFER_SIZE < cnt) cnt = BUFFER_SIZE;
 830         CFStringGetCharacters((CFStringRef)value, CFRangeMake(0, cnt), (UniChar *)ubuffer);
 831         __cficu_unum_setSymbol(formatter->_nf, UNUM_INFINITY_SYMBOL, ubuffer, cnt, &status);
 832     } else if (kCFNumberFormatterMinusSignKey == key) {
 833         __CFGenericValidateType(value, CFStringGetTypeID());
 834         cnt = CFStringGetLength((CFStringRef)value);
 835         if (BUFFER_SIZE < cnt) cnt = BUFFER_SIZE;
 836         CFStringGetCharacters((CFStringRef)value, CFRangeMake(0, cnt), (UniChar *)ubuffer);
 837         __cficu_unum_setSymbol(formatter->_nf, UNUM_MINUS_SIGN_SYMBOL, ubuffer, cnt, &status);
 838     } else if (kCFNumberFormatterPlusSignKey == key) {
 839         __CFGenericValidateType(value, CFStringGetTypeID());
 840         cnt = CFStringGetLength((CFStringRef)value);
 841         if (BUFFER_SIZE < cnt) cnt = BUFFER_SIZE;
 842         CFStringGetCharacters((CFStringRef)value, CFRangeMake(0, cnt), (UniChar *)ubuffer);
 843         __cficu_unum_setSymbol(formatter->_nf, UNUM_PLUS_SIGN_SYMBOL, ubuffer, cnt, &status);
 844     } else if (kCFNumberFormatterCurrencySymbolKey == key) {
 845         __CFGenericValidateType(value, CFStringGetTypeID());
 846         cnt = CFStringGetLength((CFStringRef)value);
 847         if (BUFFER_SIZE < cnt) cnt = BUFFER_SIZE;
 848         CFStringGetCharacters((CFStringRef)value, CFRangeMake(0, cnt), (UniChar *)ubuffer);
 849         __cficu_unum_setSymbol(formatter->_nf, UNUM_CURRENCY_SYMBOL, (const UChar *)ubuffer, cnt, &status);
 850     } else if (kCFNumberFormatterExponentSymbolKey == key) {
 851         __CFGenericValidateType(value, CFStringGetTypeID());
 852         cnt = CFStringGetLength((CFStringRef)value);
 853         if (BUFFER_SIZE < cnt) cnt = BUFFER_SIZE;
 854         CFStringGetCharacters((CFStringRef)value, CFRangeMake(0, cnt), (UniChar *)ubuffer);
 855         __cficu_unum_setSymbol(formatter->_nf, UNUM_EXPONENTIAL_SYMBOL, ubuffer, cnt, &status);
 856     } else if (kCFNumberFormatterMinIntegerDigitsKey == key) {
 857         __CFGenericValidateType(value, CFNumberGetTypeID());
 858         CFNumberGetValue((CFNumberRef)value, kCFNumberSInt32Type, &n);
 859         __cficu_unum_setAttribute(formatter->_nf, UNUM_MIN_INTEGER_DIGITS, n);
 860     } else if (kCFNumberFormatterMaxIntegerDigitsKey == key) {
 861         __CFGenericValidateType(value, CFNumberGetTypeID());
 862         CFNumberGetValue((CFNumberRef)value, kCFNumberSInt32Type, &n);
 863         __cficu_unum_setAttribute(formatter->_nf, UNUM_MAX_INTEGER_DIGITS, n);
 864     } else if (kCFNumberFormatterMinFractionDigitsKey == key) {
 865         __CFGenericValidateType(value, CFNumberGetTypeID());
 866         CFNumberGetValue((CFNumberRef)value, kCFNumberSInt32Type, &n);
 867         __cficu_unum_setAttribute(formatter->_nf, UNUM_MIN_FRACTION_DIGITS, n);
 868     } else if (kCFNumberFormatterMaxFractionDigitsKey == key) {
 869         __CFGenericValidateType(value, CFNumberGetTypeID());
 870         CFNumberGetValue((CFNumberRef)value, kCFNumberSInt32Type, &n);
 871         __cficu_unum_setAttribute(formatter->_nf, UNUM_MAX_FRACTION_DIGITS, n);
 872     } else if (kCFNumberFormatterGroupingSizeKey == key) {
 873         __CFGenericValidateType(value, CFNumberGetTypeID());
 874         CFNumberGetValue((CFNumberRef)value, kCFNumberSInt32Type, &n);
 875         __cficu_unum_setAttribute(formatter->_nf, UNUM_GROUPING_SIZE, n);
 876     } else if (kCFNumberFormatterSecondaryGroupingSizeKey == key) {
 877         __CFGenericValidateType(value, CFNumberGetTypeID());
 878         CFNumberGetValue((CFNumberRef)value, kCFNumberSInt32Type, &n);
 879         __cficu_unum_setAttribute(formatter->_nf, UNUM_SECONDARY_GROUPING_SIZE, n);
 880     } else if (kCFNumberFormatterRoundingModeKey == key) {
 881         __CFGenericValidateType(value, CFNumberGetTypeID());
 882         CFNumberGetValue((CFNumberRef)value, kCFNumberSInt32Type, &n);
 883         __cficu_unum_setAttribute(formatter->_nf, UNUM_ROUNDING_MODE, n);
 884     } else if (kCFNumberFormatterRoundingIncrementKey == key) {
 885         __CFGenericValidateType(value, CFNumberGetTypeID());
 886         CFNumberGetValue((CFNumberRef)value, kCFNumberDoubleType, &d);
 887         __cficu_unum_setDoubleAttribute(formatter->_nf, UNUM_ROUNDING_INCREMENT, d);
 888     } else if (kCFNumberFormatterFormatWidthKey == key) {
 889         __CFGenericValidateType(value, CFNumberGetTypeID());
 890         CFNumberGetValue((CFNumberRef)value, kCFNumberSInt32Type, &n);
 891         __cficu_unum_setAttribute(formatter->_nf, UNUM_FORMAT_WIDTH, n);
 892     } else if (kCFNumberFormatterPaddingPositionKey == key) {
 893         __CFGenericValidateType(value, CFNumberGetTypeID());
 894         CFNumberGetValue((CFNumberRef)value, kCFNumberSInt32Type, &n);
 895         __cficu_unum_setAttribute(formatter->_nf, UNUM_PADDING_POSITION, n);
 896     } else if (kCFNumberFormatterPaddingCharacterKey == key) {
 897         __CFGenericValidateType(value, CFStringGetTypeID());
 898         cnt = CFStringGetLength((CFStringRef)value);
 899         if (BUFFER_SIZE < cnt) cnt = BUFFER_SIZE;
 900         CFStringGetCharacters((CFStringRef)value, CFRangeMake(0, cnt), (UniChar *)ubuffer);
 901         __cficu_unum_setTextAttribute(formatter->_nf, UNUM_PADDING_CHARACTER, ubuffer, cnt, &status);
 902     } else if (kCFNumberFormatterDefaultFormatKey == key) {
 903         // read-only attribute
 904     } else if (kCFNumberFormatterMultiplierKey == key) {
 905         __CFGenericValidateType(value, CFNumberGetTypeID());
 906         CFNumberRef old = formatter->_multiplier;
 907         formatter->_multiplier = value ? (CFNumberRef)CFRetain(value) : NULL;
 908         formatter->_userSetMultiplier = value ? true : false;
 909         if (old) CFRelease(old);
 910     } else if (kCFNumberFormatterPositivePrefixKey == key) {
 911         __CFGenericValidateType(value, CFStringGetTypeID());
 912         cnt = CFStringGetLength((CFStringRef)value);
 913         if (BUFFER_SIZE < cnt) cnt = BUFFER_SIZE;
 914         CFStringGetCharacters((CFStringRef)value, CFRangeMake(0, cnt), (UniChar *)ubuffer);
 915         __cficu_unum_setTextAttribute(formatter->_nf, UNUM_POSITIVE_PREFIX, ubuffer, cnt, &status);
 916     } else if (kCFNumberFormatterPositiveSuffixKey == key) {
 917         __CFGenericValidateType(value, CFStringGetTypeID());
 918         cnt = CFStringGetLength((CFStringRef)value);
 919         if (BUFFER_SIZE < cnt) cnt = BUFFER_SIZE;
 920         CFStringGetCharacters((CFStringRef)value, CFRangeMake(0, cnt), (UniChar *)ubuffer);
 921         __cficu_unum_setTextAttribute(formatter->_nf, UNUM_POSITIVE_SUFFIX, (const UChar *)ubuffer, cnt, &status);
 922     } else if (kCFNumberFormatterNegativePrefixKey == key) {
 923         __CFGenericValidateType(value, CFStringGetTypeID());
 924         cnt = CFStringGetLength((CFStringRef)value);
 925         if (BUFFER_SIZE < cnt) cnt = BUFFER_SIZE;
 926         CFStringGetCharacters((CFStringRef)value, CFRangeMake(0, cnt), (UniChar *)ubuffer);
 927         __cficu_unum_setTextAttribute(formatter->_nf, UNUM_NEGATIVE_PREFIX, ubuffer, cnt, &status);
 928     } else if (kCFNumberFormatterNegativeSuffixKey == key) {
 929         __CFGenericValidateType(value, CFStringGetTypeID());
 930         cnt = CFStringGetLength((CFStringRef)value);
 931         if (BUFFER_SIZE < cnt) cnt = BUFFER_SIZE;
 932         CFStringGetCharacters((CFStringRef)value, CFRangeMake(0, cnt), (UniChar *)ubuffer);
 933         __cficu_unum_setTextAttribute(formatter->_nf, UNUM_NEGATIVE_SUFFIX, (const UChar *)ubuffer, cnt, &status);
 934     } else if (kCFNumberFormatterPerMillSymbolKey == key) {
 935         __CFGenericValidateType(value, CFStringGetTypeID());
 936         cnt = CFStringGetLength((CFStringRef)value);
 937         if (BUFFER_SIZE < cnt) cnt = BUFFER_SIZE;
 938         CFStringGetCharacters((CFStringRef)value, CFRangeMake(0, cnt), (UniChar *)ubuffer);
 939         __cficu_unum_setSymbol(formatter->_nf, UNUM_PERMILL_SYMBOL, ubuffer, cnt, &status);
 940     } else if (kCFNumberFormatterInternationalCurrencySymbolKey == key) {
 941         __CFGenericValidateType(value, CFStringGetTypeID());
 942         cnt = CFStringGetLength((CFStringRef)value);
 943         if (BUFFER_SIZE < cnt) cnt = BUFFER_SIZE;
 944         CFStringGetCharacters((CFStringRef)value, CFRangeMake(0, cnt), (UniChar *)ubuffer);
 945         __cficu_unum_setSymbol(formatter->_nf, UNUM_INTL_CURRENCY_SYMBOL, ubuffer, cnt, &status);
 946     } else if (kCFNumberFormatterCurrencyGroupingSeparatorKey == key) {
 947         __CFGenericValidateType(value, CFStringGetTypeID());
 948         cnt = CFStringGetLength((CFStringRef)value);
 949         if (BUFFER_SIZE < cnt) cnt = BUFFER_SIZE;
 950         CFStringGetCharacters((CFStringRef)value, CFRangeMake(0, cnt), (UniChar *)ubuffer);
 951         __cficu_unum_setSymbol(formatter->_nf, UNUM_MONETARY_GROUPING_SEPARATOR_SYMBOL, ubuffer, cnt, &status);
 952     } else if (kCFNumberFormatterIsLenientKey == key) {
 953         __CFGenericValidateType(value, CFBooleanGetTypeID());
 954         formatter->_isLenient = (kCFBooleanTrue == value);
 955         __cficu_unum_setAttribute(formatter->_nf, UNUM_LENIENT_PARSE, (kCFBooleanTrue == value));
 956     } else if (kCFNumberFormatterUseSignificantDigitsKey == key) {
 957         __CFGenericValidateType(value, CFBooleanGetTypeID());
 958         __cficu_unum_setAttribute(formatter->_nf, UNUM_SIGNIFICANT_DIGITS_USED, (kCFBooleanTrue == value));
 959     } else if (kCFNumberFormatterMinSignificantDigitsKey == key) {
 960         __CFGenericValidateType(value, CFNumberGetTypeID());
 961         CFNumberGetValue((CFNumberRef)value, kCFNumberSInt32Type, &n);
 962         __cficu_unum_setAttribute(formatter->_nf, UNUM_MIN_SIGNIFICANT_DIGITS, n);
 963     } else if (kCFNumberFormatterMaxSignificantDigitsKey == key) {
 964         __CFGenericValidateType(value, CFNumberGetTypeID());
 965         CFNumberGetValue((CFNumberRef)value, kCFNumberSInt32Type, &n);
 966         __cficu_unum_setAttribute(formatter->_nf, UNUM_MAX_SIGNIFICANT_DIGITS, n);
 967     } else if (kCFNumberFormatterUsesCharacterDirectionKey == key) {
 968         __CFGenericValidateType(value, CFBooleanGetTypeID());
 969         formatter->_usesCharacterDirection = value == kCFBooleanTrue;
 970     } else {
 971         CFAssert3(0, __kCFLogAssertion, "%s(): unknown key %p (%@)", __PRETTY_FUNCTION__, key, key);
 972     }
 973     if (_CFExecutableLinkedOnOrAfter(CFSystemVersionSnowLeopard)) {
 974         // do a dummy call to CFNumberFormatterGetFormat() after changing an attribute because
 975         // ICU sometimes changes the pattern due to a property change, and we need to poke
 976         // __cficu_unum_toPattern() and also update our own variables
 977         CFNumberFormatterGetFormat(formatter);
 978     }
 979 }
 980
 981 CFTypeRef CFNumberFormatterCopyProperty(CFNumberFormatterRef formatter, CFStringRef key) {
 982     int32_t n;
 983     double d;
 984     UErrorCode status = U_ZERO_ERROR;
 985     UChar ubuffer[BUFFER_SIZE];
 986     CFIndex cnt;
 987     __CFGenericValidateType(formatter, CFNumberFormatterGetTypeID());
 988     __CFGenericValidateType(key, CFStringGetTypeID());
 989     // rule-based formatters don't do attributes and symbols, except for one
 990     if (CFEqual(kCFNumberFormatterFormattingContextKey, key)) {
 991         n = __cficu_unum_getContext(formatter->_nf, UDISPCTX_TYPE_CAPITALIZATION, &status);
 992         if (1) {
 993             return CFNumberCreate(CFGetAllocator(formatter), kCFNumberSInt32Type, &n);
 994         }
 995     }
 996     if (kCFNumberFormatterSpellOutStyle == formatter->_style && kCFNumberFormatterIsLenientKey != key) return NULL;
 997     if (kCFNumberFormatterOrdinalStyle == formatter->_style && kCFNumberFormatterIsLenientKey != key) return NULL;
 998     if (kCFNumberFormatterDurationStyle == formatter->_style && kCFNumberFormatterIsLenientKey != key) return NULL;
 999     if (kCFNumberFormatterCurrencyCodeKey == key) {
1000         cnt = __cficu_unum_getTextAttribute(formatter->_nf, UNUM_CURRENCY_CODE, ubuffer, BUFFER_SIZE, &status);
1001         if (U_SUCCESS(status) && cnt == 0) {
1002             CFStringRef localeName = CFLocaleGetIdentifier(formatter->_locale);
1003             char buffer[BUFFER_SIZE];
1004             const char *cstr = CFStringGetCStringPtr(localeName, kCFStringEncodingASCII);
1005             if (NULL == cstr) {
1006                 if (CFStringGetCString(localeName, buffer, BUFFER_SIZE, kCFStringEncodingASCII)) cstr = buffer;
1007             }
1008             if (NULL == cstr) {
1009                 return NULL;
1010             }
1011             UErrorCode status = U_ZERO_ERROR;
1012             UNumberFormat *nf = __cficu_unum_open(UNUM_CURRENCY, NULL, 0, cstr, NULL, &status);
1013             if (NULL != nf) {
1014                 cnt = __cficu_unum_getTextAttribute(nf, UNUM_CURRENCY_CODE, ubuffer, BUFFER_SIZE, &status);
1015                 __cficu_unum_close(nf);
1016             }
1017         }
1018         if (U_SUCCESS(status) && 0 < cnt && cnt <= BUFFER_SIZE) {
1019             return CFStringCreateWithCharacters(CFGetAllocator(formatter), (const UniChar *)ubuffer, cnt);
1020         }
1021     } else if (kCFNumberFormatterDecimalSeparatorKey == key) {
1022         cnt = __cficu_unum_getSymbol(formatter->_nf, UNUM_DECIMAL_SEPARATOR_SYMBOL, ubuffer, BUFFER_SIZE, &status);
1023         if (U_SUCCESS(status) && cnt <= BUFFER_SIZE) {
1024             return CFStringCreateWithCharacters(CFGetAllocator(formatter), (const UniChar *)ubuffer, cnt);
1025         }
1026     } else if (kCFNumberFormatterCurrencyDecimalSeparatorKey == key) {
1027         cnt = __cficu_unum_getSymbol(formatter->_nf, UNUM_MONETARY_SEPARATOR_SYMBOL, (UChar *)ubuffer, BUFFER_SIZE, &status);
1028         if (U_SUCCESS(status) && cnt <= BUFFER_SIZE) {
1029             return CFStringCreateWithCharacters(CFGetAllocator(formatter), (const UniChar *)ubuffer, cnt);
1030         }
1031     } else if (kCFNumberFormatterAlwaysShowDecimalSeparatorKey == key) {
1032         n = __cficu_unum_getAttribute(formatter->_nf, UNUM_DECIMAL_ALWAYS_SHOWN);
1033         if (1) {
1034             return CFRetain(n ? kCFBooleanTrue : kCFBooleanFalse);
1035         }
1036     } else if (kCFNumberFormatterGroupingSeparatorKey == key) {
1037         cnt = __cficu_unum_getSymbol(formatter->_nf, UNUM_GROUPING_SEPARATOR_SYMBOL, ubuffer, BUFFER_SIZE, &status);
1038         if (U_SUCCESS(status) && cnt <= BUFFER_SIZE) {
1039             return CFStringCreateWithCharacters(CFGetAllocator(formatter), (const UniChar *)ubuffer, cnt);
1040         }
1041     } else if (kCFNumberFormatterUseGroupingSeparatorKey == key) {
1042         n = __cficu_unum_getAttribute(formatter->_nf, UNUM_GROUPING_USED);
1043         if (1) {
1044             return CFRetain(n ? kCFBooleanTrue : kCFBooleanFalse);
1045         }
1046    } else if (kCFNumberFormatterPercentSymbolKey == key) {
1047         cnt = __cficu_unum_getSymbol(formatter->_nf, UNUM_PERCENT_SYMBOL, ubuffer, BUFFER_SIZE, &status);
1048         if (U_SUCCESS(status) && cnt <= BUFFER_SIZE) {
1049             return CFStringCreateWithCharacters(CFGetAllocator(formatter), (const UniChar *)ubuffer, cnt);
1050         }
1051     } else if (kCFNumberFormatterZeroSymbolKey == key) {
1052         return formatter->_zeroSym ? CFRetain(formatter->_zeroSym) : NULL;
1053     } else if (kCFNumberFormatterNaNSymbolKey == key) {
1054         cnt = __cficu_unum_getSymbol(formatter->_nf, UNUM_NAN_SYMBOL, ubuffer, BUFFER_SIZE, &status);
1055         if (U_SUCCESS(status) && cnt <= BUFFER_SIZE) {
1056             return CFStringCreateWithCharacters(CFGetAllocator(formatter), (const UniChar *)ubuffer, cnt);
1057         }
1058     } else if (kCFNumberFormatterInfinitySymbolKey == key) {
1059         cnt = __cficu_unum_getSymbol(formatter->_nf, UNUM_INFINITY_SYMBOL, ubuffer, BUFFER_SIZE, &status);
1060         if (U_SUCCESS(status) && cnt <= BUFFER_SIZE) {
1061             return CFStringCreateWithCharacters(CFGetAllocator(formatter), (const UniChar *)ubuffer, cnt);
1062         }
1063     } else if (kCFNumberFormatterMinusSignKey == key) {
1064         cnt = __cficu_unum_getSymbol(formatter->_nf, UNUM_MINUS_SIGN_SYMBOL, ubuffer, BUFFER_SIZE, &status);
1065         if (U_SUCCESS(status) && cnt <= BUFFER_SIZE) {
1066             return CFStringCreateWithCharacters(CFGetAllocator(formatter), (const UniChar *)ubuffer, cnt);
1067         }
1068     } else if (kCFNumberFormatterPlusSignKey == key) {
1069         cnt = __cficu_unum_getSymbol(formatter->_nf, UNUM_PLUS_SIGN_SYMBOL, ubuffer, BUFFER_SIZE, &status);
1070         if (U_SUCCESS(status) && cnt <= BUFFER_SIZE) {
1071             return CFStringCreateWithCharacters(CFGetAllocator(formatter), (const UniChar *)ubuffer, cnt);
1072         }
1073     } else if (kCFNumberFormatterCurrencySymbolKey == key) {
1074         cnt = __cficu_unum_getSymbol(formatter->_nf, UNUM_CURRENCY_SYMBOL, ubuffer, BUFFER_SIZE, &status);
1075         if (U_SUCCESS(status) && cnt <= BUFFER_SIZE) {
1076             return CFStringCreateWithCharacters(CFGetAllocator(formatter), (const UniChar *)ubuffer, cnt);
1077         }
1078     } else if (kCFNumberFormatterExponentSymbolKey == key) {
1079         cnt = __cficu_unum_getSymbol(formatter->_nf, UNUM_EXPONENTIAL_SYMBOL, ubuffer, BUFFER_SIZE, &status);
1080         if (U_SUCCESS(status) && cnt <= BUFFER_SIZE) {
1081             return CFStringCreateWithCharacters(CFGetAllocator(formatter), (const UniChar *)ubuffer, cnt);
1082         }
1083     } else if (kCFNumberFormatterMinIntegerDigitsKey == key) {
1084         n = __cficu_unum_getAttribute(formatter->_nf, UNUM_MIN_INTEGER_DIGITS);
1085         if (1) {
1086             return CFNumberCreate(CFGetAllocator(formatter), kCFNumberSInt32Type, &n);
1087         }
1088     } else if (kCFNumberFormatterMaxIntegerDigitsKey == key) {
1089         n = __cficu_unum_getAttribute(formatter->_nf, UNUM_MAX_INTEGER_DIGITS);
1090         if (1) {
1091             return CFNumberCreate(CFGetAllocator(formatter), kCFNumberSInt32Type, &n);
1092         }
1093     } else if (kCFNumberFormatterMinFractionDigitsKey == key) {
1094         n = __cficu_unum_getAttribute(formatter->_nf, UNUM_MIN_FRACTION_DIGITS);
1095         if (1) {
1096             return CFNumberCreate(CFGetAllocator(formatter), kCFNumberSInt32Type, &n);
1097         }
1098     } else if (kCFNumberFormatterMaxFractionDigitsKey == key) {
1099         n = __cficu_unum_getAttribute(formatter->_nf, UNUM_MAX_FRACTION_DIGITS);
1100         if (1) {
1101             return CFNumberCreate(CFGetAllocator(formatter), kCFNumberSInt32Type, &n);
1102         }
1103     } else if (kCFNumberFormatterGroupingSizeKey == key) {
1104         n = __cficu_unum_getAttribute(formatter->_nf, UNUM_GROUPING_SIZE);
1105         if (1) {
1106             return CFNumberCreate(CFGetAllocator(formatter), kCFNumberSInt32Type, &n);
1107         }
1108     } else if (kCFNumberFormatterSecondaryGroupingSizeKey == key) {
1109         n = __cficu_unum_getAttribute(formatter->_nf, UNUM_SECONDARY_GROUPING_SIZE);
1110         if (1) {
1111             return CFNumberCreate(CFGetAllocator(formatter), kCFNumberSInt32Type, &n);
1112         }
1113     } else if (kCFNumberFormatterRoundingModeKey == key) {
1114         n = __cficu_unum_getAttribute(formatter->_nf, UNUM_ROUNDING_MODE);
1115         if (1) {
1116             return CFNumberCreate(CFGetAllocator(formatter), kCFNumberSInt32Type, &n);
1117         }
1118     } else if (kCFNumberFormatterRoundingIncrementKey == key) {
1119         d = __cficu_unum_getDoubleAttribute(formatter->_nf, UNUM_ROUNDING_INCREMENT);
1120         if (1) {
1121             return CFNumberCreate(CFGetAllocator(formatter), kCFNumberDoubleType, &d);
1122         }
1123     } else if (kCFNumberFormatterFormatWidthKey == key) {
1124         n = __cficu_unum_getAttribute(formatter->_nf, UNUM_FORMAT_WIDTH);
1125         if (1) {
1126             return CFNumberCreate(CFGetAllocator(formatter), kCFNumberSInt32Type, &n);
1127         }
1128     } else if (kCFNumberFormatterPaddingPositionKey == key) {
1129         n = __cficu_unum_getAttribute(formatter->_nf, UNUM_PADDING_POSITION);
1130         if (1) {
1131             return CFNumberCreate(CFGetAllocator(formatter), kCFNumberSInt32Type, &n);
1132         }
1133     } else if (kCFNumberFormatterPaddingCharacterKey == key) {
1134         cnt = __cficu_unum_getTextAttribute(formatter->_nf, UNUM_PADDING_CHARACTER, ubuffer, BUFFER_SIZE, &status);
1135         if (U_SUCCESS(status) && cnt <= BUFFER_SIZE) {
1136             return CFStringCreateWithCharacters(CFGetAllocator(formatter), (const UniChar *)ubuffer, cnt);
1137         }
1138     } else if (kCFNumberFormatterDefaultFormatKey == key) {
1139         return formatter->_defformat ? CFRetain(formatter->_defformat) : NULL;
1140     } else if (kCFNumberFormatterMultiplierKey == key) {
1141         return formatter->_multiplier ? CFRetain(formatter->_multiplier) : NULL;
1142     } else if (kCFNumberFormatterPositivePrefixKey == key) {
1143         cnt = __cficu_unum_getTextAttribute(formatter->_nf, UNUM_POSITIVE_PREFIX, ubuffer, BUFFER_SIZE, &status);
1144         if (U_SUCCESS(status) && cnt <= BUFFER_SIZE) {
1145             return CFStringCreateWithCharacters(CFGetAllocator(formatter), (const UniChar *)ubuffer, cnt);
1146         }
1147     } else if (kCFNumberFormatterPositiveSuffixKey == key) {
1148         cnt = __cficu_unum_getTextAttribute(formatter->_nf, UNUM_POSITIVE_SUFFIX, ubuffer, BUFFER_SIZE, &status);
1149         if (U_SUCCESS(status) && cnt <= BUFFER_SIZE) {
1150             return CFStringCreateWithCharacters(CFGetAllocator(formatter), (const UniChar *)ubuffer, cnt);
1151         }
1152     } else if (kCFNumberFormatterNegativePrefixKey == key) {
1153         cnt = __cficu_unum_getTextAttribute(formatter->_nf, UNUM_NEGATIVE_PREFIX, ubuffer, BUFFER_SIZE, &status);
1154         if (U_SUCCESS(status) && cnt <= BUFFER_SIZE) {
1155             return CFStringCreateWithCharacters(CFGetAllocator(formatter), (const UniChar *)ubuffer, cnt);
1156         }
1157     } else if (kCFNumberFormatterNegativeSuffixKey == key) {
1158         cnt = __cficu_unum_getTextAttribute(formatter->_nf, UNUM_NEGATIVE_SUFFIX, ubuffer, BUFFER_SIZE, &status);
1159         if (U_SUCCESS(status) && cnt <= BUFFER_SIZE) {
1160             return CFStringCreateWithCharacters(CFGetAllocator(formatter), (const UniChar *)ubuffer, cnt);
1161         }
1162     } else if (kCFNumberFormatterPerMillSymbolKey == key) {
1163         cnt = __cficu_unum_getSymbol(formatter->_nf, UNUM_PERMILL_SYMBOL, ubuffer, BUFFER_SIZE, &status);
1164         if (U_SUCCESS(status) && cnt <= BUFFER_SIZE) {
1165             return CFStringCreateWithCharacters(CFGetAllocator(formatter), (const UniChar *)ubuffer, cnt);
1166         }
1167     } else if (kCFNumberFormatterInternationalCurrencySymbolKey == key) {
1168         cnt = __cficu_unum_getSymbol(formatter->_nf, UNUM_INTL_CURRENCY_SYMBOL, ubuffer, BUFFER_SIZE, &status);
1169         if (U_SUCCESS(status) && cnt <= BUFFER_SIZE) {
1170             return CFStringCreateWithCharacters(CFGetAllocator(formatter), (const UniChar *)ubuffer, cnt);
1171         }
1172     } else if (kCFNumberFormatterCurrencyGroupingSeparatorKey == key) {
1173         cnt = __cficu_unum_getSymbol(formatter->_nf, UNUM_MONETARY_GROUPING_SEPARATOR_SYMBOL, ubuffer, BUFFER_SIZE, &status);
1174         if (U_SUCCESS(status) && cnt <= BUFFER_SIZE) {
1175             return CFStringCreateWithCharacters(CFGetAllocator(formatter), (const UniChar *)ubuffer, cnt);
1176         }
1177     } else if (kCFNumberFormatterIsLenientKey == key) {
1178         // __cficu_unum_getAttribute(, UNUM_LENIENT_PARSE) is undefined.
1179         return CFRetain(formatter->_isLenient ? kCFBooleanTrue : kCFBooleanFalse);
1180     } else if (kCFNumberFormatterUseSignificantDigitsKey == key) {
1181         n = __cficu_unum_getAttribute(formatter->_nf, UNUM_SIGNIFICANT_DIGITS_USED);
1182         if (1) {
1183             return CFRetain(n ? kCFBooleanTrue : kCFBooleanFalse);
1184         }
1185     } else if (kCFNumberFormatterMinSignificantDigitsKey == key) {
1186         n = __cficu_unum_getAttribute(formatter->_nf, UNUM_MIN_SIGNIFICANT_DIGITS);
1187         if (1) {
1188             return CFNumberCreate(CFGetAllocator(formatter), kCFNumberSInt32Type, &n);
1189         }
1190     } else if (kCFNumberFormatterMaxSignificantDigitsKey == key) {
1191         n = __cficu_unum_getAttribute(formatter->_nf, UNUM_MAX_SIGNIFICANT_DIGITS);
1192         if (1) {
1193             return CFNumberCreate(CFGetAllocator(formatter), kCFNumberSInt32Type, &n);
1194         }
1195     } else {
1196         CFAssert3(0, __kCFLogAssertion, "%s(): unknown key %p (%@)", __PRETTY_FUNCTION__, key, key);
1197     }
1198     return NULL;
1199 }
1200
1201
1202 Boolean CFNumberFormatterGetDecimalInfoForCurrencyCode(CFStringRef currencyCode, int32_t *defaultFractionDigits, double *roundingIncrement) {
1203     UChar ubuffer[4];
1204     __CFGenericValidateType(currencyCode, CFStringGetTypeID());
1205     CFAssert1(3 == CFStringGetLength(currencyCode), __kCFLogAssertion, "%s(): currencyCode is not 3 characters", __PRETTY_FUNCTION__);
1206     CFStringGetCharacters(currencyCode, CFRangeMake(0, 3), (UniChar *)ubuffer);
1207     ubuffer[3] = 0;
1208     UErrorCode icuStatus = U_ZERO_ERROR;
1209     if (defaultFractionDigits) *defaultFractionDigits = __cficu_ucurr_getDefaultFractionDigits(ubuffer, &icuStatus);
1210     if (roundingIncrement) *roundingIncrement = __cficu_ucurr_getRoundingIncrement(ubuffer, &icuStatus);
1211     if (U_FAILURE(icuStatus))
1212         return false;
1213     return (!defaultFractionDigits || 0 <= *defaultFractionDigits) && (!roundingIncrement || 0.0 <= *roundingIncrement);
1214 }
1215
1216 // This is for NSNumberFormatter use only!
1217 void *_CFNumberFormatterGetFormatter(CFNumberFormatterRef formatter) {
1218     return (void *)formatter->_nf;
1219 }
1220
1221 #undef BUFFER_SIZE
1222