| File: | out/../deps/icu-small/source/i18n/tzfmt.cpp |
| Warning: | line 2131, column 9 Value stored to 'numDigits' is never read |
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| 1 | // © 2016 and later: Unicode, Inc. and others. |
| 2 | // License & terms of use: http://www.unicode.org/copyright.html |
| 3 | /* |
| 4 | ******************************************************************************* |
| 5 | * Copyright (C) 2011-2015, International Business Machines Corporation and |
| 6 | * others. All Rights Reserved. |
| 7 | ******************************************************************************* |
| 8 | */ |
| 9 | |
| 10 | #include "unicode/utypes.h" |
| 11 | |
| 12 | #if !UCONFIG_NO_FORMATTING0 |
| 13 | |
| 14 | #include "unicode/calendar.h" |
| 15 | #include "unicode/tzfmt.h" |
| 16 | #include "unicode/numsys.h" |
| 17 | #include "unicode/strenum.h" |
| 18 | #include "unicode/uchar.h" |
| 19 | #include "unicode/udat.h" |
| 20 | #include "unicode/ustring.h" |
| 21 | #include "unicode/utf16.h" |
| 22 | #include "bytesinkutil.h" |
| 23 | #include "charstr.h" |
| 24 | #include "tzgnames.h" |
| 25 | #include "cmemory.h" |
| 26 | #include "cstring.h" |
| 27 | #include "putilimp.h" |
| 28 | #include "uassert.h" |
| 29 | #include "ucln_in.h" |
| 30 | #include "ulocimp.h" |
| 31 | #include "umutex.h" |
| 32 | #include "uresimp.h" |
| 33 | #include "ureslocs.h" |
| 34 | #include "uvector.h" |
| 35 | #include "zonemeta.h" |
| 36 | #include "tznames_impl.h" // TextTrieMap |
| 37 | #include "patternprops.h" |
| 38 | |
| 39 | U_NAMESPACE_BEGINnamespace icu_71 { |
| 40 | |
| 41 | // Bit flags used by the parse method. |
| 42 | // The order must match UTimeZoneFormatStyle enum. |
| 43 | #define ISO_Z_STYLE_FLAG0x0080 0x0080 |
| 44 | #define ISO_LOCAL_STYLE_FLAG0x0100 0x0100 |
| 45 | static const int16_t STYLE_PARSE_FLAGS[] = { |
| 46 | 0x0001, // UTZFMT_STYLE_GENERIC_LOCATION, |
| 47 | 0x0002, // UTZFMT_STYLE_GENERIC_LONG, |
| 48 | 0x0004, // UTZFMT_STYLE_GENERIC_SHORT, |
| 49 | 0x0008, // UTZFMT_STYLE_SPECIFIC_LONG, |
| 50 | 0x0010, // UTZFMT_STYLE_SPECIFIC_SHORT, |
| 51 | 0x0020, // UTZFMT_STYLE_LOCALIZED_GMT, |
| 52 | 0x0040, // UTZFMT_STYLE_LOCALIZED_GMT_SHORT, |
| 53 | ISO_Z_STYLE_FLAG0x0080, // UTZFMT_STYLE_ISO_BASIC_SHORT, |
| 54 | ISO_LOCAL_STYLE_FLAG0x0100, // UTZFMT_STYLE_ISO_BASIC_LOCAL_SHORT, |
| 55 | ISO_Z_STYLE_FLAG0x0080, // UTZFMT_STYLE_ISO_BASIC_FIXED, |
| 56 | ISO_LOCAL_STYLE_FLAG0x0100, // UTZFMT_STYLE_ISO_BASIC_LOCAL_FIXED, |
| 57 | ISO_Z_STYLE_FLAG0x0080, // UTZFMT_STYLE_ISO_BASIC_FULL, |
| 58 | ISO_LOCAL_STYLE_FLAG0x0100, // UTZFMT_STYLE_ISO_BASIC_LOCAL_FULL, |
| 59 | ISO_Z_STYLE_FLAG0x0080, // UTZFMT_STYLE_ISO_EXTENDED_FIXED, |
| 60 | ISO_LOCAL_STYLE_FLAG0x0100, // UTZFMT_STYLE_ISO_EXTENDED_LOCAL_FIXED, |
| 61 | ISO_Z_STYLE_FLAG0x0080, // UTZFMT_STYLE_ISO_EXTENDED_FULL, |
| 62 | ISO_LOCAL_STYLE_FLAG0x0100, // UTZFMT_STYLE_ISO_EXTENDED_LOCAL_FULL, |
| 63 | 0x0200, // UTZFMT_STYLE_ZONE_ID, |
| 64 | 0x0400, // UTZFMT_STYLE_ZONE_ID_SHORT, |
| 65 | 0x0800 // UTZFMT_STYLE_EXEMPLAR_LOCATION |
| 66 | }; |
| 67 | |
| 68 | static const char gZoneStringsTag[] = "zoneStrings"; |
| 69 | static const char gGmtFormatTag[]= "gmtFormat"; |
| 70 | static const char gGmtZeroFormatTag[] = "gmtZeroFormat"; |
| 71 | static const char gHourFormatTag[]= "hourFormat"; |
| 72 | |
| 73 | static const UChar TZID_GMT[] = {0x0045, 0x0074, 0x0063, 0x002F, 0x0047, 0x004D, 0x0054, 0}; // Etc/GMT |
| 74 | static const UChar UNKNOWN_ZONE_ID[] = { |
| 75 | 0x0045, 0x0074, 0x0063, 0x002F, 0x0055, 0x006E, 0x006B, 0x006E, 0x006F, 0x0077, 0x006E, 0}; // Etc/Unknown |
| 76 | static const UChar UNKNOWN_SHORT_ZONE_ID[] = {0x0075, 0x006E, 0x006B, 0}; // unk |
| 77 | static const UChar UNKNOWN_LOCATION[] = {0x0055, 0x006E, 0x006B, 0x006E, 0x006F, 0x0077, 0x006E, 0}; // Unknown |
| 78 | |
| 79 | static const UChar DEFAULT_GMT_PATTERN[] = {0x0047, 0x004D, 0x0054, 0x007B, 0x0030, 0x007D, 0}; // GMT{0} |
| 80 | //static const UChar DEFAULT_GMT_ZERO[] = {0x0047, 0x004D, 0x0054, 0}; // GMT |
| 81 | static const UChar DEFAULT_GMT_POSITIVE_HM[] = {0x002B, 0x0048, 0x003A, 0x006D, 0x006D, 0}; // +H:mm |
| 82 | static const UChar DEFAULT_GMT_POSITIVE_HMS[] = {0x002B, 0x0048, 0x003A, 0x006D, 0x006D, 0x003A, 0x0073, 0x0073, 0}; // +H:mm:ss |
| 83 | static const UChar DEFAULT_GMT_NEGATIVE_HM[] = {0x002D, 0x0048, 0x003A, 0x006D, 0x006D, 0}; // -H:mm |
| 84 | static const UChar DEFAULT_GMT_NEGATIVE_HMS[] = {0x002D, 0x0048, 0x003A, 0x006D, 0x006D, 0x003A, 0x0073, 0x0073, 0}; // -H:mm:ss |
| 85 | static const UChar DEFAULT_GMT_POSITIVE_H[] = {0x002B, 0x0048, 0}; // +H |
| 86 | static const UChar DEFAULT_GMT_NEGATIVE_H[] = {0x002D, 0x0048, 0}; // -H |
| 87 | |
| 88 | static const UChar32 DEFAULT_GMT_DIGITS[] = { |
| 89 | 0x0030, 0x0031, 0x0032, 0x0033, 0x0034, |
| 90 | 0x0035, 0x0036, 0x0037, 0x0038, 0x0039 |
| 91 | }; |
| 92 | |
| 93 | static const UChar DEFAULT_GMT_OFFSET_SEP = 0x003A; // ':' |
| 94 | |
| 95 | static const UChar ARG0[] = {0x007B, 0x0030, 0x007D}; // "{0}" |
| 96 | static const int32_t ARG0_LEN = 3; |
| 97 | |
| 98 | static const UChar DEFAULT_GMT_OFFSET_MINUTE_PATTERN[] = {0x006D, 0x006D, 0}; // "mm" |
| 99 | static const UChar DEFAULT_GMT_OFFSET_SECOND_PATTERN[] = {0x0073, 0x0073, 0}; // "ss" |
| 100 | |
| 101 | static const UChar ALT_GMT_STRINGS[][4] = { |
| 102 | {0x0047, 0x004D, 0x0054, 0}, // GMT |
| 103 | {0x0055, 0x0054, 0x0043, 0}, // UTC |
| 104 | {0x0055, 0x0054, 0, 0}, // UT |
| 105 | {0, 0, 0, 0} |
| 106 | }; |
| 107 | |
| 108 | // Order of GMT offset pattern parsing, *_HMS must be evaluated first |
| 109 | // because *_HM is most likely a substring of *_HMS |
| 110 | static const int32_t PARSE_GMT_OFFSET_TYPES[] = { |
| 111 | UTZFMT_PAT_POSITIVE_HMS, |
| 112 | UTZFMT_PAT_NEGATIVE_HMS, |
| 113 | UTZFMT_PAT_POSITIVE_HM, |
| 114 | UTZFMT_PAT_NEGATIVE_HM, |
| 115 | UTZFMT_PAT_POSITIVE_H, |
| 116 | UTZFMT_PAT_NEGATIVE_H, |
| 117 | -1 |
| 118 | }; |
| 119 | |
| 120 | static const UChar SINGLEQUOTE = 0x0027; |
| 121 | static const UChar PLUS = 0x002B; |
| 122 | static const UChar MINUS = 0x002D; |
| 123 | static const UChar ISO8601_UTC = 0x005A; // 'Z' |
| 124 | static const UChar ISO8601_SEP = 0x003A; // ':' |
| 125 | |
| 126 | static const int32_t MILLIS_PER_HOUR = 60 * 60 * 1000; |
| 127 | static const int32_t MILLIS_PER_MINUTE = 60 * 1000; |
| 128 | static const int32_t MILLIS_PER_SECOND = 1000; |
| 129 | |
| 130 | // Maximum offset (exclusive) in millisecond supported by offset formats |
| 131 | static int32_t MAX_OFFSET = 24 * MILLIS_PER_HOUR; |
| 132 | |
| 133 | // Maximum values for GMT offset fields |
| 134 | static const int32_t MAX_OFFSET_HOUR = 23; |
| 135 | static const int32_t MAX_OFFSET_MINUTE = 59; |
| 136 | static const int32_t MAX_OFFSET_SECOND = 59; |
| 137 | |
| 138 | static const int32_t UNKNOWN_OFFSET = 0x7FFFFFFF; |
| 139 | |
| 140 | static const int32_t ALL_SIMPLE_NAME_TYPES = UTZNM_LONG_STANDARD | UTZNM_LONG_DAYLIGHT | UTZNM_SHORT_STANDARD | UTZNM_SHORT_DAYLIGHT | UTZNM_EXEMPLAR_LOCATION; |
| 141 | static const int32_t ALL_GENERIC_NAME_TYPES = UTZGNM_LOCATION | UTZGNM_LONG | UTZGNM_SHORT; |
| 142 | |
| 143 | #define DIGIT_VAL(c)(0x0030 <= (c) && (c) <= 0x0039 ? (c) - 0x0030 : -1) (0x0030 <= (c) && (c) <= 0x0039 ? (c) - 0x0030 : -1) |
| 144 | #define MAX_OFFSET_DIGITS6 6 |
| 145 | |
| 146 | // Time Zone ID/Short ID trie |
| 147 | static TextTrieMap *gZoneIdTrie = NULL__null; |
| 148 | static icu::UInitOnce gZoneIdTrieInitOnce = U_INITONCE_INITIALIZER{{ 0 }, U_ZERO_ERROR}; |
| 149 | |
| 150 | static TextTrieMap *gShortZoneIdTrie = NULL__null; |
| 151 | static icu::UInitOnce gShortZoneIdTrieInitOnce = U_INITONCE_INITIALIZER{{ 0 }, U_ZERO_ERROR}; |
| 152 | |
| 153 | static UMutex gLock; |
| 154 | |
| 155 | U_CDECL_BEGINextern "C" { |
| 156 | /** |
| 157 | * Cleanup callback func |
| 158 | */ |
| 159 | static UBool U_CALLCONV tzfmt_cleanup(void) |
| 160 | { |
| 161 | if (gZoneIdTrie != NULL__null) { |
| 162 | delete gZoneIdTrie; |
| 163 | } |
| 164 | gZoneIdTrie = NULL__null; |
| 165 | gZoneIdTrieInitOnce.reset(); |
| 166 | |
| 167 | if (gShortZoneIdTrie != NULL__null) { |
| 168 | delete gShortZoneIdTrie; |
| 169 | } |
| 170 | gShortZoneIdTrie = NULL__null; |
| 171 | gShortZoneIdTrieInitOnce.reset(); |
| 172 | |
| 173 | return TRUE1; |
| 174 | } |
| 175 | U_CDECL_END} |
| 176 | |
| 177 | // ------------------------------------------------------------------ |
| 178 | // GMTOffsetField |
| 179 | // |
| 180 | // This class represents a localized GMT offset pattern |
| 181 | // item and used by TimeZoneFormat |
| 182 | // ------------------------------------------------------------------ |
| 183 | class GMTOffsetField : public UMemory { |
| 184 | public: |
| 185 | enum FieldType { |
| 186 | TEXT = 0, |
| 187 | HOUR = 1, |
| 188 | MINUTE = 2, |
| 189 | SECOND = 4 |
| 190 | }; |
| 191 | |
| 192 | virtual ~GMTOffsetField(); |
| 193 | |
| 194 | static GMTOffsetField* createText(const UnicodeString& text, UErrorCode& status); |
| 195 | static GMTOffsetField* createTimeField(FieldType type, uint8_t width, UErrorCode& status); |
| 196 | static UBool isValid(FieldType type, int32_t width); |
| 197 | static FieldType getTypeByLetter(UChar ch); |
| 198 | |
| 199 | FieldType getType() const; |
| 200 | uint8_t getWidth() const; |
| 201 | const UChar* getPatternText(void) const; |
| 202 | |
| 203 | private: |
| 204 | UChar* fText; |
| 205 | FieldType fType; |
| 206 | uint8_t fWidth; |
| 207 | |
| 208 | GMTOffsetField(); |
| 209 | }; |
| 210 | |
| 211 | GMTOffsetField::GMTOffsetField() |
| 212 | : fText(NULL__null), fType(TEXT), fWidth(0) { |
| 213 | } |
| 214 | |
| 215 | GMTOffsetField::~GMTOffsetField() { |
| 216 | if (fText) { |
| 217 | uprv_freeuprv_free_71(fText); |
| 218 | } |
| 219 | } |
| 220 | |
| 221 | GMTOffsetField* |
| 222 | GMTOffsetField::createText(const UnicodeString& text, UErrorCode& status) { |
| 223 | if (U_FAILURE(status)) { |
| 224 | return NULL__null; |
| 225 | } |
| 226 | GMTOffsetField* result = new GMTOffsetField(); |
| 227 | if (result == NULL__null) { |
| 228 | status = U_MEMORY_ALLOCATION_ERROR; |
| 229 | return NULL__null; |
| 230 | } |
| 231 | |
| 232 | int32_t len = text.length(); |
| 233 | result->fText = (UChar*)uprv_mallocuprv_malloc_71((len + 1) * sizeof(UChar)); |
| 234 | if (result->fText == NULL__null) { |
| 235 | status = U_MEMORY_ALLOCATION_ERROR; |
| 236 | delete result; |
| 237 | return NULL__null; |
| 238 | } |
| 239 | u_strncpyu_strncpy_71(result->fText, text.getBuffer(), len); |
| 240 | result->fText[len] = 0; |
| 241 | result->fType = TEXT; |
| 242 | |
| 243 | return result; |
| 244 | } |
| 245 | |
| 246 | GMTOffsetField* |
| 247 | GMTOffsetField::createTimeField(FieldType type, uint8_t width, UErrorCode& status) { |
| 248 | U_ASSERT(type != TEXT)(void)0; |
| 249 | if (U_FAILURE(status)) { |
| 250 | return NULL__null; |
| 251 | } |
| 252 | GMTOffsetField* result = new GMTOffsetField(); |
| 253 | if (result == NULL__null) { |
| 254 | status = U_MEMORY_ALLOCATION_ERROR; |
| 255 | return NULL__null; |
| 256 | } |
| 257 | |
| 258 | result->fType = type; |
| 259 | result->fWidth = width; |
| 260 | |
| 261 | return result; |
| 262 | } |
| 263 | |
| 264 | UBool |
| 265 | GMTOffsetField::isValid(FieldType type, int32_t width) { |
| 266 | switch (type) { |
| 267 | case HOUR: |
| 268 | return (width == 1 || width == 2); |
| 269 | case MINUTE: |
| 270 | case SECOND: |
| 271 | return (width == 2); |
| 272 | default: |
| 273 | UPRV_UNREACHABLE_EXITabort(); |
| 274 | } |
| 275 | return (width > 0); |
| 276 | } |
| 277 | |
| 278 | GMTOffsetField::FieldType |
| 279 | GMTOffsetField::getTypeByLetter(UChar ch) { |
| 280 | if (ch == 0x0048 /* H */) { |
| 281 | return HOUR; |
| 282 | } else if (ch == 0x006D /* m */) { |
| 283 | return MINUTE; |
| 284 | } else if (ch == 0x0073 /* s */) { |
| 285 | return SECOND; |
| 286 | } |
| 287 | return TEXT; |
| 288 | } |
| 289 | |
| 290 | inline GMTOffsetField::FieldType |
| 291 | GMTOffsetField::getType() const { |
| 292 | return fType; |
| 293 | } |
| 294 | |
| 295 | inline uint8_t |
| 296 | GMTOffsetField::getWidth() const { |
| 297 | return fWidth; |
| 298 | } |
| 299 | |
| 300 | inline const UChar* |
| 301 | GMTOffsetField::getPatternText(void) const { |
| 302 | return fText; |
| 303 | } |
| 304 | |
| 305 | |
| 306 | U_CDECL_BEGINextern "C" { |
| 307 | static void U_CALLCONV |
| 308 | deleteGMTOffsetField(void *obj) { |
| 309 | delete static_cast<GMTOffsetField *>(obj); |
| 310 | } |
| 311 | U_CDECL_END} |
| 312 | |
| 313 | |
| 314 | // ------------------------------------------------------------------ |
| 315 | // TimeZoneFormat |
| 316 | // ------------------------------------------------------------------ |
| 317 | UOBJECT_DEFINE_RTTI_IMPLEMENTATION(TimeZoneFormat)UClassID TimeZoneFormat::getStaticClassID() { static char classID = 0; return (UClassID)&classID; } UClassID TimeZoneFormat ::getDynamicClassID() const { return TimeZoneFormat::getStaticClassID (); } |
| 318 | |
| 319 | TimeZoneFormat::TimeZoneFormat(const Locale& locale, UErrorCode& status) |
| 320 | : fLocale(locale), fTimeZoneNames(NULL__null), fTimeZoneGenericNames(NULL__null), |
| 321 | fDefParseOptionFlags(0), fTZDBTimeZoneNames(NULL__null) { |
| 322 | |
| 323 | for (int32_t i = 0; i < UTZFMT_PAT_COUNT; i++) { |
| 324 | fGMTOffsetPatternItems[i] = NULL__null; |
| 325 | } |
| 326 | |
| 327 | const char* region = fLocale.getCountry(); |
| 328 | int32_t regionLen = static_cast<int32_t>(uprv_strlen(region):: strlen(region)); |
| 329 | if (regionLen == 0) { |
| 330 | CharString loc; |
| 331 | { |
| 332 | CharStringByteSink sink(&loc); |
| 333 | ulocimp_addLikelySubtagsulocimp_addLikelySubtags_71(fLocale.getName(), sink, &status); |
| 334 | } |
| 335 | |
| 336 | regionLen = uloc_getCountryuloc_getCountry_71(loc.data(), fTargetRegion, sizeof(fTargetRegion), &status); |
| 337 | if (U_SUCCESS(status)) { |
| 338 | fTargetRegion[regionLen] = 0; |
| 339 | } else { |
| 340 | return; |
| 341 | } |
| 342 | } else if (regionLen < (int32_t)sizeof(fTargetRegion)) { |
| 343 | uprv_strcpy(fTargetRegion, region):: strcpy(fTargetRegion, region); |
| 344 | } else { |
| 345 | fTargetRegion[0] = 0; |
| 346 | } |
| 347 | |
| 348 | fTimeZoneNames = TimeZoneNames::createInstance(locale, status); |
| 349 | // fTimeZoneGenericNames is lazily instantiated |
| 350 | if (U_FAILURE(status)) { |
| 351 | return; |
| 352 | } |
| 353 | |
| 354 | const UChar* gmtPattern = NULL__null; |
| 355 | const UChar* hourFormats = NULL__null; |
| 356 | |
| 357 | UResourceBundle *zoneBundle = ures_openures_open_71(U_ICUDATA_ZONE"icudt" "71" "l" "-" "zone", locale.getName(), &status); |
| 358 | UResourceBundle *zoneStringsArray = ures_getByKeyWithFallbackures_getByKeyWithFallback_71(zoneBundle, gZoneStringsTag, NULL__null, &status); |
| 359 | if (U_SUCCESS(status)) { |
| 360 | const UChar* resStr; |
| 361 | int32_t len; |
| 362 | resStr = ures_getStringByKeyWithFallbackures_getStringByKeyWithFallback_71(zoneStringsArray, gGmtFormatTag, &len, &status); |
| 363 | if (len > 0) { |
| 364 | gmtPattern = resStr; |
| 365 | } |
| 366 | resStr = ures_getStringByKeyWithFallbackures_getStringByKeyWithFallback_71(zoneStringsArray, gGmtZeroFormatTag, &len, &status); |
| 367 | if (len > 0) { |
| 368 | fGMTZeroFormat.setTo(TRUE1, resStr, len); |
| 369 | } |
| 370 | resStr = ures_getStringByKeyWithFallbackures_getStringByKeyWithFallback_71(zoneStringsArray, gHourFormatTag, &len, &status); |
| 371 | if (len > 0) { |
| 372 | hourFormats = resStr; |
| 373 | } |
| 374 | ures_closeures_close_71(zoneStringsArray); |
| 375 | ures_closeures_close_71(zoneBundle); |
| 376 | } |
| 377 | |
| 378 | if (gmtPattern == NULL__null) { |
| 379 | gmtPattern = DEFAULT_GMT_PATTERN; |
| 380 | } |
| 381 | initGMTPattern(UnicodeString(TRUE1, gmtPattern, -1), status); |
| 382 | |
| 383 | UBool useDefaultOffsetPatterns = TRUE1; |
| 384 | if (hourFormats) { |
| 385 | UChar *sep = u_strchru_strchr_71(hourFormats, (UChar)0x003B /* ';' */); |
| 386 | if (sep != NULL__null) { |
| 387 | UErrorCode tmpStatus = U_ZERO_ERROR; |
| 388 | fGMTOffsetPatterns[UTZFMT_PAT_POSITIVE_HM].setTo(FALSE0, hourFormats, (int32_t)(sep - hourFormats)); |
| 389 | fGMTOffsetPatterns[UTZFMT_PAT_NEGATIVE_HM].setTo(TRUE1, sep + 1, -1); |
| 390 | expandOffsetPattern(fGMTOffsetPatterns[UTZFMT_PAT_POSITIVE_HM], fGMTOffsetPatterns[UTZFMT_PAT_POSITIVE_HMS], tmpStatus); |
| 391 | expandOffsetPattern(fGMTOffsetPatterns[UTZFMT_PAT_NEGATIVE_HM], fGMTOffsetPatterns[UTZFMT_PAT_NEGATIVE_HMS], tmpStatus); |
| 392 | truncateOffsetPattern(fGMTOffsetPatterns[UTZFMT_PAT_POSITIVE_HM], fGMTOffsetPatterns[UTZFMT_PAT_POSITIVE_H], tmpStatus); |
| 393 | truncateOffsetPattern(fGMTOffsetPatterns[UTZFMT_PAT_NEGATIVE_HM], fGMTOffsetPatterns[UTZFMT_PAT_NEGATIVE_H], tmpStatus); |
| 394 | if (U_SUCCESS(tmpStatus)) { |
| 395 | useDefaultOffsetPatterns = FALSE0; |
| 396 | } |
| 397 | } |
| 398 | } |
| 399 | if (useDefaultOffsetPatterns) { |
| 400 | fGMTOffsetPatterns[UTZFMT_PAT_POSITIVE_H].setTo(TRUE1, DEFAULT_GMT_POSITIVE_H, -1); |
| 401 | fGMTOffsetPatterns[UTZFMT_PAT_POSITIVE_HM].setTo(TRUE1, DEFAULT_GMT_POSITIVE_HM, -1); |
| 402 | fGMTOffsetPatterns[UTZFMT_PAT_POSITIVE_HMS].setTo(TRUE1, DEFAULT_GMT_POSITIVE_HMS, -1); |
| 403 | fGMTOffsetPatterns[UTZFMT_PAT_NEGATIVE_H].setTo(TRUE1, DEFAULT_GMT_NEGATIVE_H, -1); |
| 404 | fGMTOffsetPatterns[UTZFMT_PAT_NEGATIVE_HM].setTo(TRUE1, DEFAULT_GMT_NEGATIVE_HM, -1); |
| 405 | fGMTOffsetPatterns[UTZFMT_PAT_NEGATIVE_HMS].setTo(TRUE1, DEFAULT_GMT_NEGATIVE_HMS, -1); |
| 406 | } |
| 407 | initGMTOffsetPatterns(status); |
| 408 | |
| 409 | NumberingSystem* ns = NumberingSystem::createInstance(locale, status); |
| 410 | UBool useDefDigits = TRUE1; |
| 411 | if (ns && !ns->isAlgorithmic()) { |
| 412 | UnicodeString digits = ns->getDescription(); |
| 413 | useDefDigits = !toCodePoints(digits, fGMTOffsetDigits, 10); |
| 414 | } |
| 415 | if (useDefDigits) { |
| 416 | uprv_memcpy(fGMTOffsetDigits, DEFAULT_GMT_DIGITS, sizeof(UChar32) * 10)do { clang diagnostic push
clang diagnostic ignored "-Waddress" (void)0; (void)0; clang diagnostic pop :: memcpy(fGMTOffsetDigits , DEFAULT_GMT_DIGITS, sizeof(UChar32) * 10); } while (false); |
| 417 | } |
| 418 | delete ns; |
| 419 | } |
| 420 | |
| 421 | TimeZoneFormat::TimeZoneFormat(const TimeZoneFormat& other) |
| 422 | : Format(other), fTimeZoneNames(NULL__null), fTimeZoneGenericNames(NULL__null), |
| 423 | fTZDBTimeZoneNames(NULL__null) { |
| 424 | |
| 425 | for (int32_t i = 0; i < UTZFMT_PAT_COUNT; i++) { |
| 426 | fGMTOffsetPatternItems[i] = NULL__null; |
| 427 | } |
| 428 | *this = other; |
| 429 | } |
| 430 | |
| 431 | |
| 432 | TimeZoneFormat::~TimeZoneFormat() { |
| 433 | delete fTimeZoneNames; |
| 434 | delete fTimeZoneGenericNames; |
| 435 | delete fTZDBTimeZoneNames; |
| 436 | for (int32_t i = 0; i < UTZFMT_PAT_COUNT; i++) { |
| 437 | delete fGMTOffsetPatternItems[i]; |
| 438 | } |
| 439 | } |
| 440 | |
| 441 | TimeZoneFormat& |
| 442 | TimeZoneFormat::operator=(const TimeZoneFormat& other) { |
| 443 | if (this == &other) { |
| 444 | return *this; |
| 445 | } |
| 446 | |
| 447 | delete fTimeZoneNames; |
| 448 | delete fTimeZoneGenericNames; |
| 449 | fTimeZoneGenericNames = NULL__null; |
| 450 | delete fTZDBTimeZoneNames; |
| 451 | fTZDBTimeZoneNames = NULL__null; |
| 452 | |
| 453 | fLocale = other.fLocale; |
| 454 | uprv_memcpy(fTargetRegion, other.fTargetRegion, sizeof(fTargetRegion))do { clang diagnostic push
clang diagnostic ignored "-Waddress" (void)0; (void)0; clang diagnostic pop :: memcpy(fTargetRegion , other.fTargetRegion, sizeof(fTargetRegion)); } while (false ); |
| 455 | |
| 456 | fTimeZoneNames = other.fTimeZoneNames->clone(); |
| 457 | if (other.fTimeZoneGenericNames) { |
| 458 | // TODO: this test has dubious thread safety. |
| 459 | fTimeZoneGenericNames = other.fTimeZoneGenericNames->clone(); |
| 460 | } |
| 461 | |
| 462 | fGMTPattern = other.fGMTPattern; |
| 463 | fGMTPatternPrefix = other.fGMTPatternPrefix; |
| 464 | fGMTPatternSuffix = other.fGMTPatternSuffix; |
| 465 | |
| 466 | UErrorCode status = U_ZERO_ERROR; |
| 467 | for (int32_t i = 0; i < UTZFMT_PAT_COUNT; i++) { |
| 468 | fGMTOffsetPatterns[i] = other.fGMTOffsetPatterns[i]; |
| 469 | delete fGMTOffsetPatternItems[i]; |
| 470 | fGMTOffsetPatternItems[i] = NULL__null; |
| 471 | } |
| 472 | initGMTOffsetPatterns(status); |
| 473 | U_ASSERT(U_SUCCESS(status))(void)0; |
| 474 | |
| 475 | fGMTZeroFormat = other.fGMTZeroFormat; |
| 476 | |
| 477 | uprv_memcpy(fGMTOffsetDigits, other.fGMTOffsetDigits, sizeof(fGMTOffsetDigits))do { clang diagnostic push
clang diagnostic ignored "-Waddress" (void)0; (void)0; clang diagnostic pop :: memcpy(fGMTOffsetDigits , other.fGMTOffsetDigits, sizeof(fGMTOffsetDigits)); } while ( false); |
| 478 | |
| 479 | fDefParseOptionFlags = other.fDefParseOptionFlags; |
| 480 | |
| 481 | return *this; |
| 482 | } |
| 483 | |
| 484 | |
| 485 | bool |
| 486 | TimeZoneFormat::operator==(const Format& other) const { |
| 487 | TimeZoneFormat* tzfmt = (TimeZoneFormat*)&other; |
| 488 | |
| 489 | bool isEqual = |
| 490 | fLocale == tzfmt->fLocale |
| 491 | && fGMTPattern == tzfmt->fGMTPattern |
| 492 | && fGMTZeroFormat == tzfmt->fGMTZeroFormat |
| 493 | && *fTimeZoneNames == *tzfmt->fTimeZoneNames; |
| 494 | |
| 495 | for (int32_t i = 0; i < UTZFMT_PAT_COUNT && isEqual; i++) { |
| 496 | isEqual = fGMTOffsetPatterns[i] == tzfmt->fGMTOffsetPatterns[i]; |
| 497 | } |
| 498 | for (int32_t i = 0; i < 10 && isEqual; i++) { |
| 499 | isEqual = fGMTOffsetDigits[i] == tzfmt->fGMTOffsetDigits[i]; |
| 500 | } |
| 501 | // TODO |
| 502 | // Check fTimeZoneGenericNames. For now, |
| 503 | // if fTimeZoneNames is same, fTimeZoneGenericNames should |
| 504 | // be also equivalent. |
| 505 | return isEqual; |
| 506 | } |
| 507 | |
| 508 | TimeZoneFormat* |
| 509 | TimeZoneFormat::clone() const { |
| 510 | return new TimeZoneFormat(*this); |
| 511 | } |
| 512 | |
| 513 | TimeZoneFormat* U_EXPORT2 |
| 514 | TimeZoneFormat::createInstance(const Locale& locale, UErrorCode& status) { |
| 515 | TimeZoneFormat* tzfmt = new TimeZoneFormat(locale, status); |
| 516 | if (U_SUCCESS(status)) { |
| 517 | return tzfmt; |
| 518 | } |
| 519 | delete tzfmt; |
| 520 | return NULL__null; |
| 521 | } |
| 522 | |
| 523 | // ------------------------------------------------------------------ |
| 524 | // Setter and Getter |
| 525 | |
| 526 | const TimeZoneNames* |
| 527 | TimeZoneFormat::getTimeZoneNames() const { |
| 528 | return (const TimeZoneNames*)fTimeZoneNames; |
| 529 | } |
| 530 | |
| 531 | void |
| 532 | TimeZoneFormat::adoptTimeZoneNames(TimeZoneNames *tznames) { |
| 533 | delete fTimeZoneNames; |
| 534 | fTimeZoneNames = tznames; |
| 535 | |
| 536 | // TODO - We should also update fTimeZoneGenericNames |
| 537 | } |
| 538 | |
| 539 | void |
| 540 | TimeZoneFormat::setTimeZoneNames(const TimeZoneNames &tznames) { |
| 541 | delete fTimeZoneNames; |
| 542 | fTimeZoneNames = tznames.clone(); |
| 543 | |
| 544 | // TODO - We should also update fTimeZoneGenericNames |
| 545 | } |
| 546 | |
| 547 | void |
| 548 | TimeZoneFormat::setDefaultParseOptions(uint32_t flags) { |
| 549 | fDefParseOptionFlags = flags; |
| 550 | } |
| 551 | |
| 552 | uint32_t |
| 553 | TimeZoneFormat::getDefaultParseOptions(void) const { |
| 554 | return fDefParseOptionFlags; |
| 555 | } |
| 556 | |
| 557 | |
| 558 | UnicodeString& |
| 559 | TimeZoneFormat::getGMTPattern(UnicodeString& pattern) const { |
| 560 | return pattern.setTo(fGMTPattern); |
| 561 | } |
| 562 | |
| 563 | void |
| 564 | TimeZoneFormat::setGMTPattern(const UnicodeString& pattern, UErrorCode& status) { |
| 565 | initGMTPattern(pattern, status); |
| 566 | } |
| 567 | |
| 568 | UnicodeString& |
| 569 | TimeZoneFormat::getGMTOffsetPattern(UTimeZoneFormatGMTOffsetPatternType type, UnicodeString& pattern) const { |
| 570 | return pattern.setTo(fGMTOffsetPatterns[type]); |
| 571 | } |
| 572 | |
| 573 | void |
| 574 | TimeZoneFormat::setGMTOffsetPattern(UTimeZoneFormatGMTOffsetPatternType type, const UnicodeString& pattern, UErrorCode& status) { |
| 575 | if (U_FAILURE(status)) { |
| 576 | return; |
| 577 | } |
| 578 | if (pattern == fGMTOffsetPatterns[type]) { |
| 579 | // No need to reset |
| 580 | return; |
| 581 | } |
| 582 | |
| 583 | OffsetFields required = FIELDS_HM; |
| 584 | switch (type) { |
| 585 | case UTZFMT_PAT_POSITIVE_H: |
| 586 | case UTZFMT_PAT_NEGATIVE_H: |
| 587 | required = FIELDS_H; |
| 588 | break; |
| 589 | case UTZFMT_PAT_POSITIVE_HM: |
| 590 | case UTZFMT_PAT_NEGATIVE_HM: |
| 591 | required = FIELDS_HM; |
| 592 | break; |
| 593 | case UTZFMT_PAT_POSITIVE_HMS: |
| 594 | case UTZFMT_PAT_NEGATIVE_HMS: |
| 595 | required = FIELDS_HMS; |
| 596 | break; |
| 597 | default: |
| 598 | UPRV_UNREACHABLE_EXITabort(); |
| 599 | } |
| 600 | |
| 601 | UVector* patternItems = parseOffsetPattern(pattern, required, status); |
| 602 | if (patternItems == NULL__null) { |
| 603 | return; |
| 604 | } |
| 605 | |
| 606 | fGMTOffsetPatterns[type].setTo(pattern); |
| 607 | delete fGMTOffsetPatternItems[type]; |
| 608 | fGMTOffsetPatternItems[type] = patternItems; |
| 609 | checkAbuttingHoursAndMinutes(); |
| 610 | } |
| 611 | |
| 612 | UnicodeString& |
| 613 | TimeZoneFormat::getGMTOffsetDigits(UnicodeString& digits) const { |
| 614 | digits.remove(); |
| 615 | for (int32_t i = 0; i < 10; i++) { |
| 616 | digits.append(fGMTOffsetDigits[i]); |
| 617 | } |
| 618 | return digits; |
| 619 | } |
| 620 | |
| 621 | void |
| 622 | TimeZoneFormat::setGMTOffsetDigits(const UnicodeString& digits, UErrorCode& status) { |
| 623 | if (U_FAILURE(status)) { |
| 624 | return; |
| 625 | } |
| 626 | UChar32 digitArray[10]; |
| 627 | if (!toCodePoints(digits, digitArray, 10)) { |
| 628 | status = U_ILLEGAL_ARGUMENT_ERROR; |
| 629 | return; |
| 630 | } |
| 631 | uprv_memcpy(fGMTOffsetDigits, digitArray, sizeof(UChar32)*10)do { clang diagnostic push
clang diagnostic ignored "-Waddress" (void)0; (void)0; clang diagnostic pop :: memcpy(fGMTOffsetDigits , digitArray, sizeof(UChar32)*10); } while (false); |
| 632 | } |
| 633 | |
| 634 | UnicodeString& |
| 635 | TimeZoneFormat::getGMTZeroFormat(UnicodeString& gmtZeroFormat) const { |
| 636 | return gmtZeroFormat.setTo(fGMTZeroFormat); |
| 637 | } |
| 638 | |
| 639 | void |
| 640 | TimeZoneFormat::setGMTZeroFormat(const UnicodeString& gmtZeroFormat, UErrorCode& status) { |
| 641 | if (U_SUCCESS(status)) { |
| 642 | if (gmtZeroFormat.isEmpty()) { |
| 643 | status = U_ILLEGAL_ARGUMENT_ERROR; |
| 644 | } else if (gmtZeroFormat != fGMTZeroFormat) { |
| 645 | fGMTZeroFormat.setTo(gmtZeroFormat); |
| 646 | } |
| 647 | } |
| 648 | } |
| 649 | |
| 650 | // ------------------------------------------------------------------ |
| 651 | // Format and Parse |
| 652 | |
| 653 | UnicodeString& |
| 654 | TimeZoneFormat::format(UTimeZoneFormatStyle style, const TimeZone& tz, UDate date, |
| 655 | UnicodeString& name, UTimeZoneFormatTimeType* timeType /* = NULL */) const { |
| 656 | if (timeType) { |
| 657 | *timeType = UTZFMT_TIME_TYPE_UNKNOWN; |
| 658 | } |
| 659 | |
| 660 | UBool noOffsetFormatFallback = FALSE0; |
| 661 | |
| 662 | switch (style) { |
| 663 | case UTZFMT_STYLE_GENERIC_LOCATION: |
| 664 | formatGeneric(tz, UTZGNM_LOCATION, date, name); |
| 665 | break; |
| 666 | case UTZFMT_STYLE_GENERIC_LONG: |
| 667 | formatGeneric(tz, UTZGNM_LONG, date, name); |
| 668 | break; |
| 669 | case UTZFMT_STYLE_GENERIC_SHORT: |
| 670 | formatGeneric(tz, UTZGNM_SHORT, date, name); |
| 671 | break; |
| 672 | case UTZFMT_STYLE_SPECIFIC_LONG: |
| 673 | formatSpecific(tz, UTZNM_LONG_STANDARD, UTZNM_LONG_DAYLIGHT, date, name, timeType); |
| 674 | break; |
| 675 | case UTZFMT_STYLE_SPECIFIC_SHORT: |
| 676 | formatSpecific(tz, UTZNM_SHORT_STANDARD, UTZNM_SHORT_DAYLIGHT, date, name, timeType); |
| 677 | break; |
| 678 | |
| 679 | case UTZFMT_STYLE_ZONE_ID: |
| 680 | tz.getID(name); |
| 681 | noOffsetFormatFallback = TRUE1; |
| 682 | break; |
| 683 | case UTZFMT_STYLE_ZONE_ID_SHORT: |
| 684 | { |
| 685 | const UChar* shortID = ZoneMeta::getShortID(tz); |
| 686 | if (shortID == NULL__null) { |
| 687 | shortID = UNKNOWN_SHORT_ZONE_ID; |
| 688 | } |
| 689 | name.setTo(shortID, -1); |
| 690 | } |
| 691 | noOffsetFormatFallback = TRUE1; |
| 692 | break; |
| 693 | |
| 694 | case UTZFMT_STYLE_EXEMPLAR_LOCATION: |
| 695 | formatExemplarLocation(tz, name); |
| 696 | noOffsetFormatFallback = TRUE1; |
| 697 | break; |
| 698 | |
| 699 | default: |
| 700 | // will be handled below |
| 701 | break; |
| 702 | } |
| 703 | |
| 704 | if (name.isEmpty() && !noOffsetFormatFallback) { |
| 705 | UErrorCode status = U_ZERO_ERROR; |
| 706 | int32_t rawOffset, dstOffset; |
| 707 | tz.getOffset(date, FALSE0, rawOffset, dstOffset, status); |
| 708 | int32_t offset = rawOffset + dstOffset; |
| 709 | if (U_SUCCESS(status)) { |
| 710 | switch (style) { |
| 711 | case UTZFMT_STYLE_GENERIC_LOCATION: |
| 712 | case UTZFMT_STYLE_GENERIC_LONG: |
| 713 | case UTZFMT_STYLE_SPECIFIC_LONG: |
| 714 | case UTZFMT_STYLE_LOCALIZED_GMT: |
| 715 | formatOffsetLocalizedGMT(offset, name, status); |
| 716 | break; |
| 717 | |
| 718 | case UTZFMT_STYLE_GENERIC_SHORT: |
| 719 | case UTZFMT_STYLE_SPECIFIC_SHORT: |
| 720 | case UTZFMT_STYLE_LOCALIZED_GMT_SHORT: |
| 721 | formatOffsetShortLocalizedGMT(offset, name, status); |
| 722 | break; |
| 723 | |
| 724 | case UTZFMT_STYLE_ISO_BASIC_SHORT: |
| 725 | formatOffsetISO8601Basic(offset, TRUE1, TRUE1, TRUE1, name, status); |
| 726 | break; |
| 727 | |
| 728 | case UTZFMT_STYLE_ISO_BASIC_LOCAL_SHORT: |
| 729 | formatOffsetISO8601Basic(offset, FALSE0, TRUE1, TRUE1, name, status); |
| 730 | break; |
| 731 | |
| 732 | case UTZFMT_STYLE_ISO_BASIC_FIXED: |
| 733 | formatOffsetISO8601Basic(offset, TRUE1, FALSE0, TRUE1, name, status); |
| 734 | break; |
| 735 | |
| 736 | case UTZFMT_STYLE_ISO_BASIC_LOCAL_FIXED: |
| 737 | formatOffsetISO8601Basic(offset, FALSE0, FALSE0, TRUE1, name, status); |
| 738 | break; |
| 739 | |
| 740 | case UTZFMT_STYLE_ISO_EXTENDED_FIXED: |
| 741 | formatOffsetISO8601Extended(offset, TRUE1, FALSE0, TRUE1, name, status); |
| 742 | break; |
| 743 | |
| 744 | case UTZFMT_STYLE_ISO_EXTENDED_LOCAL_FIXED: |
| 745 | formatOffsetISO8601Extended(offset, FALSE0, FALSE0, TRUE1, name, status); |
| 746 | break; |
| 747 | |
| 748 | case UTZFMT_STYLE_ISO_BASIC_FULL: |
| 749 | formatOffsetISO8601Basic(offset, TRUE1, FALSE0, FALSE0, name, status); |
| 750 | break; |
| 751 | |
| 752 | case UTZFMT_STYLE_ISO_BASIC_LOCAL_FULL: |
| 753 | formatOffsetISO8601Basic(offset, FALSE0, FALSE0, FALSE0, name, status); |
| 754 | break; |
| 755 | |
| 756 | case UTZFMT_STYLE_ISO_EXTENDED_FULL: |
| 757 | formatOffsetISO8601Extended(offset, TRUE1, FALSE0, FALSE0, name, status); |
| 758 | break; |
| 759 | |
| 760 | case UTZFMT_STYLE_ISO_EXTENDED_LOCAL_FULL: |
| 761 | formatOffsetISO8601Extended(offset, FALSE0, FALSE0, FALSE0, name, status); |
| 762 | break; |
| 763 | |
| 764 | default: |
| 765 | // UTZFMT_STYLE_ZONE_ID, UTZFMT_STYLE_ZONE_ID_SHORT, UTZFMT_STYLE_EXEMPLAR_LOCATION |
| 766 | break; |
| 767 | } |
| 768 | |
| 769 | if (timeType) { |
| 770 | *timeType = (dstOffset != 0) ? UTZFMT_TIME_TYPE_DAYLIGHT : UTZFMT_TIME_TYPE_STANDARD; |
| 771 | } |
| 772 | } |
| 773 | } |
| 774 | |
| 775 | return name; |
| 776 | } |
| 777 | |
| 778 | UnicodeString& |
| 779 | TimeZoneFormat::format(const Formattable& obj, UnicodeString& appendTo, |
| 780 | FieldPosition& pos, UErrorCode& status) const { |
| 781 | if (U_FAILURE(status)) { |
| 782 | return appendTo; |
| 783 | } |
| 784 | UDate date = Calendar::getNow(); |
| 785 | if (obj.getType() == Formattable::kObject) { |
| 786 | const UObject* formatObj = obj.getObject(); |
| 787 | const TimeZone* tz = dynamic_cast<const TimeZone*>(formatObj); |
| 788 | if (tz == NULL__null) { |
| 789 | const Calendar* cal = dynamic_cast<const Calendar*>(formatObj); |
| 790 | if (cal != NULL__null) { |
| 791 | tz = &cal->getTimeZone(); |
| 792 | date = cal->getTime(status); |
| 793 | } |
| 794 | } |
| 795 | if (tz != NULL__null) { |
| 796 | int32_t rawOffset, dstOffset; |
| 797 | tz->getOffset(date, FALSE0, rawOffset, dstOffset, status); |
| 798 | UChar buf[ZONE_NAME_U16_MAX128]; |
| 799 | UnicodeString result(buf, 0, UPRV_LENGTHOF(buf)(int32_t)(sizeof(buf)/sizeof((buf)[0]))); |
| 800 | formatOffsetLocalizedGMT(rawOffset + dstOffset, result, status); |
| 801 | if (U_SUCCESS(status)) { |
| 802 | appendTo.append(result); |
| 803 | if (pos.getField() == UDAT_TIMEZONE_FIELD) { |
| 804 | pos.setBeginIndex(0); |
| 805 | pos.setEndIndex(result.length()); |
| 806 | } |
| 807 | } |
| 808 | } |
| 809 | } |
| 810 | return appendTo; |
| 811 | } |
| 812 | |
| 813 | TimeZone* |
| 814 | TimeZoneFormat::parse(UTimeZoneFormatStyle style, const UnicodeString& text, ParsePosition& pos, |
| 815 | UTimeZoneFormatTimeType* timeType /*= NULL*/) const { |
| 816 | return parse(style, text, pos, getDefaultParseOptions(), timeType); |
| 817 | } |
| 818 | |
| 819 | TimeZone* |
| 820 | TimeZoneFormat::parse(UTimeZoneFormatStyle style, const UnicodeString& text, ParsePosition& pos, |
| 821 | int32_t parseOptions, UTimeZoneFormatTimeType* timeType /* = NULL */) const { |
| 822 | if (timeType) { |
| 823 | *timeType = UTZFMT_TIME_TYPE_UNKNOWN; |
| 824 | } |
| 825 | |
| 826 | int32_t startIdx = pos.getIndex(); |
| 827 | int32_t maxPos = text.length(); |
| 828 | int32_t offset; |
| 829 | |
| 830 | // Styles using localized GMT format as fallback |
| 831 | UBool fallbackLocalizedGMT = |
| 832 | (style == UTZFMT_STYLE_SPECIFIC_LONG || style == UTZFMT_STYLE_GENERIC_LONG || style == UTZFMT_STYLE_GENERIC_LOCATION); |
| 833 | UBool fallbackShortLocalizedGMT = |
| 834 | (style == UTZFMT_STYLE_SPECIFIC_SHORT || style == UTZFMT_STYLE_GENERIC_SHORT); |
| 835 | |
| 836 | int32_t evaluated = 0; // bit flags representing already evaluated styles |
| 837 | ParsePosition tmpPos(startIdx); |
| 838 | |
| 839 | int32_t parsedOffset = UNKNOWN_OFFSET; // stores successfully parsed offset for later use |
| 840 | int32_t parsedPos = -1; // stores successfully parsed offset position for later use |
| 841 | |
| 842 | // Try localized GMT format first if necessary |
| 843 | if (fallbackLocalizedGMT || fallbackShortLocalizedGMT) { |
| 844 | UBool hasDigitOffset = FALSE0; |
| 845 | offset = parseOffsetLocalizedGMT(text, tmpPos, fallbackShortLocalizedGMT, &hasDigitOffset); |
| 846 | if (tmpPos.getErrorIndex() == -1) { |
| 847 | // Even when the input text was successfully parsed as a localized GMT format text, |
| 848 | // we may still need to evaluate the specified style if - |
| 849 | // 1) GMT zero format was used, and |
| 850 | // 2) The input text was not completely processed |
| 851 | if (tmpPos.getIndex() == maxPos || hasDigitOffset) { |
| 852 | pos.setIndex(tmpPos.getIndex()); |
| 853 | return createTimeZoneForOffset(offset); |
| 854 | } |
| 855 | parsedOffset = offset; |
| 856 | parsedPos = tmpPos.getIndex(); |
| 857 | } |
| 858 | // Note: For now, no distinction between long/short localized GMT format in the parser. |
| 859 | // This might be changed in future. |
| 860 | // evaluated |= (fallbackLocalizedGMT ? STYLE_PARSE_FLAGS[UTZFMT_STYLE_LOCALIZED_GMT] : STYLE_PARSE_FLAGS[UTZFMT_STYLE_LOCALIZED_GMT_SHORT]); |
| 861 | evaluated |= STYLE_PARSE_FLAGS[UTZFMT_STYLE_LOCALIZED_GMT] | STYLE_PARSE_FLAGS[UTZFMT_STYLE_LOCALIZED_GMT_SHORT]; |
| 862 | } |
| 863 | |
| 864 | UErrorCode status = U_ZERO_ERROR; |
| 865 | UChar tzIDBuf[32]; |
| 866 | UnicodeString tzID(tzIDBuf, 0, UPRV_LENGTHOF(tzIDBuf)(int32_t)(sizeof(tzIDBuf)/sizeof((tzIDBuf)[0]))); |
| 867 | |
| 868 | UBool parseTZDBAbbrev = ((parseOptions & UTZFMT_PARSE_OPTION_TZ_DATABASE_ABBREVIATIONS) != 0); |
| 869 | |
| 870 | // Try the specified style |
| 871 | switch (style) { |
| 872 | case UTZFMT_STYLE_LOCALIZED_GMT: |
| 873 | { |
| 874 | tmpPos.setIndex(startIdx); |
| 875 | tmpPos.setErrorIndex(-1); |
| 876 | |
| 877 | offset = parseOffsetLocalizedGMT(text, tmpPos); |
| 878 | if (tmpPos.getErrorIndex() == -1) { |
| 879 | pos.setIndex(tmpPos.getIndex()); |
| 880 | return createTimeZoneForOffset(offset); |
| 881 | } |
| 882 | |
| 883 | // Note: For now, no distinction between long/short localized GMT format in the parser. |
| 884 | // This might be changed in future. |
| 885 | evaluated |= STYLE_PARSE_FLAGS[UTZFMT_STYLE_LOCALIZED_GMT_SHORT]; |
| 886 | |
| 887 | break; |
| 888 | } |
| 889 | case UTZFMT_STYLE_LOCALIZED_GMT_SHORT: |
| 890 | { |
| 891 | tmpPos.setIndex(startIdx); |
| 892 | tmpPos.setErrorIndex(-1); |
| 893 | |
| 894 | offset = parseOffsetShortLocalizedGMT(text, tmpPos); |
| 895 | if (tmpPos.getErrorIndex() == -1) { |
| 896 | pos.setIndex(tmpPos.getIndex()); |
| 897 | return createTimeZoneForOffset(offset); |
| 898 | } |
| 899 | |
| 900 | // Note: For now, no distinction between long/short localized GMT format in the parser. |
| 901 | // This might be changed in future. |
| 902 | evaluated |= STYLE_PARSE_FLAGS[UTZFMT_STYLE_LOCALIZED_GMT]; |
| 903 | |
| 904 | break; |
| 905 | } |
| 906 | case UTZFMT_STYLE_ISO_BASIC_SHORT: |
| 907 | case UTZFMT_STYLE_ISO_BASIC_FIXED: |
| 908 | case UTZFMT_STYLE_ISO_BASIC_FULL: |
| 909 | case UTZFMT_STYLE_ISO_EXTENDED_FIXED: |
| 910 | case UTZFMT_STYLE_ISO_EXTENDED_FULL: |
| 911 | { |
| 912 | tmpPos.setIndex(startIdx); |
| 913 | tmpPos.setErrorIndex(-1); |
| 914 | |
| 915 | offset = parseOffsetISO8601(text, tmpPos); |
| 916 | if (tmpPos.getErrorIndex() == -1) { |
| 917 | pos.setIndex(tmpPos.getIndex()); |
| 918 | return createTimeZoneForOffset(offset); |
| 919 | } |
| 920 | |
| 921 | break; |
| 922 | } |
| 923 | |
| 924 | case UTZFMT_STYLE_ISO_BASIC_LOCAL_SHORT: |
| 925 | case UTZFMT_STYLE_ISO_BASIC_LOCAL_FIXED: |
| 926 | case UTZFMT_STYLE_ISO_BASIC_LOCAL_FULL: |
| 927 | case UTZFMT_STYLE_ISO_EXTENDED_LOCAL_FIXED: |
| 928 | case UTZFMT_STYLE_ISO_EXTENDED_LOCAL_FULL: |
| 929 | { |
| 930 | tmpPos.setIndex(startIdx); |
| 931 | tmpPos.setErrorIndex(-1); |
| 932 | |
| 933 | // Exclude the case of UTC Indicator "Z" here |
| 934 | UBool hasDigitOffset = FALSE0; |
| 935 | offset = parseOffsetISO8601(text, tmpPos, FALSE0, &hasDigitOffset); |
| 936 | if (tmpPos.getErrorIndex() == -1 && hasDigitOffset) { |
| 937 | pos.setIndex(tmpPos.getIndex()); |
| 938 | return createTimeZoneForOffset(offset); |
| 939 | } |
| 940 | |
| 941 | break; |
| 942 | } |
| 943 | |
| 944 | case UTZFMT_STYLE_SPECIFIC_LONG: |
| 945 | case UTZFMT_STYLE_SPECIFIC_SHORT: |
| 946 | { |
| 947 | // Specific styles |
| 948 | int32_t nameTypes = 0; |
| 949 | if (style == UTZFMT_STYLE_SPECIFIC_LONG) { |
| 950 | nameTypes = (UTZNM_LONG_STANDARD | UTZNM_LONG_DAYLIGHT); |
| 951 | } else { |
| 952 | U_ASSERT(style == UTZFMT_STYLE_SPECIFIC_SHORT)(void)0; |
| 953 | nameTypes = (UTZNM_SHORT_STANDARD | UTZNM_SHORT_DAYLIGHT); |
| 954 | } |
| 955 | LocalPointer<TimeZoneNames::MatchInfoCollection> specificMatches(fTimeZoneNames->find(text, startIdx, nameTypes, status)); |
| 956 | if (U_FAILURE(status)) { |
| 957 | pos.setErrorIndex(startIdx); |
| 958 | return NULL__null; |
| 959 | } |
| 960 | if (!specificMatches.isNull()) { |
| 961 | int32_t matchIdx = -1; |
| 962 | int32_t matchPos = -1; |
| 963 | for (int32_t i = 0; i < specificMatches->size(); i++) { |
| 964 | matchPos = startIdx + specificMatches->getMatchLengthAt(i); |
| 965 | if (matchPos > parsedPos) { |
| 966 | matchIdx = i; |
| 967 | parsedPos = matchPos; |
| 968 | } |
| 969 | } |
| 970 | if (matchIdx >= 0) { |
| 971 | if (timeType) { |
| 972 | *timeType = getTimeType(specificMatches->getNameTypeAt(matchIdx)); |
| 973 | } |
| 974 | pos.setIndex(matchPos); |
| 975 | getTimeZoneID(specificMatches.getAlias(), matchIdx, tzID); |
| 976 | U_ASSERT(!tzID.isEmpty())(void)0; |
| 977 | return TimeZone::createTimeZone(tzID); |
| 978 | } |
| 979 | } |
| 980 | |
| 981 | if (parseTZDBAbbrev && style == UTZFMT_STYLE_SPECIFIC_SHORT) { |
| 982 | U_ASSERT((nameTypes & UTZNM_SHORT_STANDARD) != 0)(void)0; |
| 983 | U_ASSERT((nameTypes & UTZNM_SHORT_DAYLIGHT) != 0)(void)0; |
| 984 | |
| 985 | const TZDBTimeZoneNames *tzdbTimeZoneNames = getTZDBTimeZoneNames(status); |
| 986 | if (U_SUCCESS(status)) { |
| 987 | LocalPointer<TimeZoneNames::MatchInfoCollection> tzdbNameMatches( |
| 988 | tzdbTimeZoneNames->find(text, startIdx, nameTypes, status)); |
| 989 | if (U_FAILURE(status)) { |
| 990 | pos.setErrorIndex(startIdx); |
| 991 | return NULL__null; |
| 992 | } |
| 993 | if (!tzdbNameMatches.isNull()) { |
| 994 | int32_t matchIdx = -1; |
| 995 | int32_t matchPos = -1; |
| 996 | for (int32_t i = 0; i < tzdbNameMatches->size(); i++) { |
| 997 | matchPos = startIdx + tzdbNameMatches->getMatchLengthAt(i); |
| 998 | if (matchPos > parsedPos) { |
| 999 | matchIdx = i; |
| 1000 | parsedPos = matchPos; |
| 1001 | } |
| 1002 | } |
| 1003 | if (matchIdx >= 0) { |
| 1004 | if (timeType) { |
| 1005 | *timeType = getTimeType(tzdbNameMatches->getNameTypeAt(matchIdx)); |
| 1006 | } |
| 1007 | pos.setIndex(matchPos); |
| 1008 | getTimeZoneID(tzdbNameMatches.getAlias(), matchIdx, tzID); |
| 1009 | U_ASSERT(!tzID.isEmpty())(void)0; |
| 1010 | return TimeZone::createTimeZone(tzID); |
| 1011 | } |
| 1012 | } |
| 1013 | } |
| 1014 | } |
| 1015 | break; |
| 1016 | } |
| 1017 | case UTZFMT_STYLE_GENERIC_LONG: |
| 1018 | case UTZFMT_STYLE_GENERIC_SHORT: |
| 1019 | case UTZFMT_STYLE_GENERIC_LOCATION: |
| 1020 | { |
| 1021 | int32_t genericNameTypes = 0; |
| 1022 | switch (style) { |
| 1023 | case UTZFMT_STYLE_GENERIC_LOCATION: |
| 1024 | genericNameTypes = UTZGNM_LOCATION; |
| 1025 | break; |
| 1026 | |
| 1027 | case UTZFMT_STYLE_GENERIC_LONG: |
| 1028 | genericNameTypes = UTZGNM_LONG | UTZGNM_LOCATION; |
| 1029 | break; |
| 1030 | |
| 1031 | case UTZFMT_STYLE_GENERIC_SHORT: |
| 1032 | genericNameTypes = UTZGNM_SHORT | UTZGNM_LOCATION; |
| 1033 | break; |
| 1034 | |
| 1035 | default: |
| 1036 | UPRV_UNREACHABLE_EXITabort(); |
| 1037 | } |
| 1038 | |
| 1039 | int32_t len = 0; |
| 1040 | UTimeZoneFormatTimeType tt = UTZFMT_TIME_TYPE_UNKNOWN; |
| 1041 | const TimeZoneGenericNames *gnames = getTimeZoneGenericNames(status); |
| 1042 | if (U_SUCCESS(status)) { |
| 1043 | len = gnames->findBestMatch(text, startIdx, genericNameTypes, tzID, tt, status); |
| 1044 | } |
| 1045 | if (U_FAILURE(status)) { |
| 1046 | pos.setErrorIndex(startIdx); |
| 1047 | return NULL__null; |
| 1048 | } |
| 1049 | if (len > 0) { |
| 1050 | // Found a match |
| 1051 | if (timeType) { |
| 1052 | *timeType = tt; |
| 1053 | } |
| 1054 | pos.setIndex(startIdx + len); |
| 1055 | U_ASSERT(!tzID.isEmpty())(void)0; |
| 1056 | return TimeZone::createTimeZone(tzID); |
| 1057 | } |
| 1058 | |
| 1059 | break; |
| 1060 | } |
| 1061 | case UTZFMT_STYLE_ZONE_ID: |
| 1062 | { |
| 1063 | tmpPos.setIndex(startIdx); |
| 1064 | tmpPos.setErrorIndex(-1); |
| 1065 | |
| 1066 | parseZoneID(text, tmpPos, tzID); |
| 1067 | if (tmpPos.getErrorIndex() == -1) { |
| 1068 | pos.setIndex(tmpPos.getIndex()); |
| 1069 | return TimeZone::createTimeZone(tzID); |
| 1070 | } |
| 1071 | break; |
| 1072 | } |
| 1073 | case UTZFMT_STYLE_ZONE_ID_SHORT: |
| 1074 | { |
| 1075 | tmpPos.setIndex(startIdx); |
| 1076 | tmpPos.setErrorIndex(-1); |
| 1077 | |
| 1078 | parseShortZoneID(text, tmpPos, tzID); |
| 1079 | if (tmpPos.getErrorIndex() == -1) { |
| 1080 | pos.setIndex(tmpPos.getIndex()); |
| 1081 | return TimeZone::createTimeZone(tzID); |
| 1082 | } |
| 1083 | break; |
| 1084 | } |
| 1085 | case UTZFMT_STYLE_EXEMPLAR_LOCATION: |
| 1086 | { |
| 1087 | tmpPos.setIndex(startIdx); |
| 1088 | tmpPos.setErrorIndex(-1); |
| 1089 | |
| 1090 | parseExemplarLocation(text, tmpPos, tzID); |
| 1091 | if (tmpPos.getErrorIndex() == -1) { |
| 1092 | pos.setIndex(tmpPos.getIndex()); |
| 1093 | return TimeZone::createTimeZone(tzID); |
| 1094 | } |
| 1095 | break; |
| 1096 | } |
| 1097 | } |
| 1098 | evaluated |= STYLE_PARSE_FLAGS[style]; |
| 1099 | |
| 1100 | |
| 1101 | if (parsedPos > startIdx) { |
| 1102 | // When the specified style is one of SPECIFIC_XXX or GENERIC_XXX, we tried to parse the input |
| 1103 | // as localized GMT format earlier. If parsedOffset is positive, it means it was successfully |
| 1104 | // parsed as localized GMT format, but offset digits were not detected (more specifically, GMT |
| 1105 | // zero format). Then, it tried to find a match within the set of display names, but could not |
| 1106 | // find a match. At this point, we can safely assume the input text contains the localized |
| 1107 | // GMT format. |
| 1108 | U_ASSERT(parsedOffset != UNKNOWN_OFFSET)(void)0; |
| 1109 | pos.setIndex(parsedPos); |
| 1110 | return createTimeZoneForOffset(parsedOffset); |
| 1111 | } |
| 1112 | |
| 1113 | // Failed to parse the input text as the time zone format in the specified style. |
| 1114 | // Check the longest match among other styles below. |
| 1115 | UChar parsedIDBuf[32]; |
| 1116 | UnicodeString parsedID(parsedIDBuf, 0, UPRV_LENGTHOF(parsedIDBuf)(int32_t)(sizeof(parsedIDBuf)/sizeof((parsedIDBuf)[0]))); |
| 1117 | UTimeZoneFormatTimeType parsedTimeType = UTZFMT_TIME_TYPE_UNKNOWN; |
| 1118 | |
| 1119 | U_ASSERT(parsedPos < 0)(void)0; |
| 1120 | U_ASSERT(parsedOffset == UNKNOWN_OFFSET)(void)0; |
| 1121 | |
| 1122 | // ISO 8601 |
| 1123 | if (parsedPos < maxPos && |
| 1124 | ((evaluated & ISO_Z_STYLE_FLAG0x0080) == 0 || (evaluated & ISO_LOCAL_STYLE_FLAG0x0100) == 0)) { |
| 1125 | tmpPos.setIndex(startIdx); |
| 1126 | tmpPos.setErrorIndex(-1); |
| 1127 | |
| 1128 | UBool hasDigitOffset = FALSE0; |
| 1129 | offset = parseOffsetISO8601(text, tmpPos, FALSE0, &hasDigitOffset); |
| 1130 | if (tmpPos.getErrorIndex() == -1) { |
| 1131 | if (tmpPos.getIndex() == maxPos || hasDigitOffset) { |
| 1132 | pos.setIndex(tmpPos.getIndex()); |
| 1133 | return createTimeZoneForOffset(offset); |
| 1134 | } |
| 1135 | // Note: When ISO 8601 format contains offset digits, it should not |
| 1136 | // collide with other formats. However, ISO 8601 UTC format "Z" (single letter) |
| 1137 | // may collide with other names. In this case, we need to evaluate other names. |
| 1138 | if (parsedPos < tmpPos.getIndex()) { |
| 1139 | parsedOffset = offset; |
| 1140 | parsedID.setToBogus(); |
| 1141 | parsedTimeType = UTZFMT_TIME_TYPE_UNKNOWN; |
| 1142 | parsedPos = tmpPos.getIndex(); |
| 1143 | U_ASSERT(parsedPos == startIdx + 1)(void)0; // only when "Z" is used |
| 1144 | } |
| 1145 | } |
| 1146 | } |
| 1147 | |
| 1148 | // Localized GMT format |
| 1149 | if (parsedPos < maxPos && |
| 1150 | (evaluated & STYLE_PARSE_FLAGS[UTZFMT_STYLE_LOCALIZED_GMT]) == 0) { |
| 1151 | tmpPos.setIndex(startIdx); |
| 1152 | tmpPos.setErrorIndex(-1); |
| 1153 | |
| 1154 | UBool hasDigitOffset = FALSE0; |
| 1155 | offset = parseOffsetLocalizedGMT(text, tmpPos, FALSE0, &hasDigitOffset); |
| 1156 | if (tmpPos.getErrorIndex() == -1) { |
| 1157 | if (tmpPos.getIndex() == maxPos || hasDigitOffset) { |
| 1158 | pos.setIndex(tmpPos.getIndex()); |
| 1159 | return createTimeZoneForOffset(offset); |
| 1160 | } |
| 1161 | // Evaluate other names - see the comment earlier in this method. |
| 1162 | if (parsedPos < tmpPos.getIndex()) { |
| 1163 | parsedOffset = offset; |
| 1164 | parsedID.setToBogus(); |
| 1165 | parsedTimeType = UTZFMT_TIME_TYPE_UNKNOWN; |
| 1166 | parsedPos = tmpPos.getIndex(); |
| 1167 | } |
| 1168 | } |
| 1169 | } |
| 1170 | |
| 1171 | if (parsedPos < maxPos && |
| 1172 | (evaluated & STYLE_PARSE_FLAGS[UTZFMT_STYLE_LOCALIZED_GMT_SHORT]) == 0) { |
| 1173 | tmpPos.setIndex(startIdx); |
| 1174 | tmpPos.setErrorIndex(-1); |
| 1175 | |
| 1176 | UBool hasDigitOffset = FALSE0; |
| 1177 | offset = parseOffsetLocalizedGMT(text, tmpPos, TRUE1, &hasDigitOffset); |
| 1178 | if (tmpPos.getErrorIndex() == -1) { |
| 1179 | if (tmpPos.getIndex() == maxPos || hasDigitOffset) { |
| 1180 | pos.setIndex(tmpPos.getIndex()); |
| 1181 | return createTimeZoneForOffset(offset); |
| 1182 | } |
| 1183 | // Evaluate other names - see the comment earlier in this method. |
| 1184 | if (parsedPos < tmpPos.getIndex()) { |
| 1185 | parsedOffset = offset; |
| 1186 | parsedID.setToBogus(); |
| 1187 | parsedTimeType = UTZFMT_TIME_TYPE_UNKNOWN; |
| 1188 | parsedPos = tmpPos.getIndex(); |
| 1189 | } |
| 1190 | } |
| 1191 | } |
| 1192 | |
| 1193 | // When ParseOption.ALL_STYLES is available, we also try to look all possible display names and IDs. |
| 1194 | // For example, when style is GENERIC_LONG, "EST" (SPECIFIC_SHORT) is never |
| 1195 | // used for America/New_York. With parseAllStyles true, this code parses "EST" |
| 1196 | // as America/New_York. |
| 1197 | |
| 1198 | // Note: Adding all possible names into the trie used by the implementation is quite heavy operation, |
| 1199 | // which we want to avoid normally (note that we cache the trie, so this is applicable to the |
| 1200 | // first time only as long as the cache does not expire). |
| 1201 | |
| 1202 | if (parseOptions & UTZFMT_PARSE_OPTION_ALL_STYLES) { |
| 1203 | // Try all specific names and exemplar location names |
| 1204 | if (parsedPos < maxPos) { |
| 1205 | LocalPointer<TimeZoneNames::MatchInfoCollection> specificMatches(fTimeZoneNames->find(text, startIdx, ALL_SIMPLE_NAME_TYPES, status)); |
| 1206 | if (U_FAILURE(status)) { |
| 1207 | pos.setErrorIndex(startIdx); |
| 1208 | return NULL__null; |
| 1209 | } |
| 1210 | int32_t specificMatchIdx = -1; |
| 1211 | int32_t matchPos = -1; |
| 1212 | if (!specificMatches.isNull()) { |
| 1213 | for (int32_t i = 0; i < specificMatches->size(); i++) { |
| 1214 | if (startIdx + specificMatches->getMatchLengthAt(i) > matchPos) { |
| 1215 | specificMatchIdx = i; |
| 1216 | matchPos = startIdx + specificMatches->getMatchLengthAt(i); |
| 1217 | } |
| 1218 | } |
| 1219 | } |
| 1220 | if (parsedPos < matchPos) { |
| 1221 | U_ASSERT(specificMatchIdx >= 0)(void)0; |
| 1222 | parsedPos = matchPos; |
| 1223 | getTimeZoneID(specificMatches.getAlias(), specificMatchIdx, parsedID); |
| 1224 | parsedTimeType = getTimeType(specificMatches->getNameTypeAt(specificMatchIdx)); |
| 1225 | parsedOffset = UNKNOWN_OFFSET; |
| 1226 | } |
| 1227 | } |
| 1228 | if (parseTZDBAbbrev && parsedPos < maxPos && (evaluated & STYLE_PARSE_FLAGS[UTZFMT_STYLE_SPECIFIC_SHORT]) == 0) { |
| 1229 | const TZDBTimeZoneNames *tzdbTimeZoneNames = getTZDBTimeZoneNames(status); |
| 1230 | if (U_SUCCESS(status)) { |
| 1231 | LocalPointer<TimeZoneNames::MatchInfoCollection> tzdbNameMatches( |
| 1232 | tzdbTimeZoneNames->find(text, startIdx, ALL_SIMPLE_NAME_TYPES, status)); |
| 1233 | if (U_FAILURE(status)) { |
| 1234 | pos.setErrorIndex(startIdx); |
| 1235 | return NULL__null; |
| 1236 | } |
| 1237 | int32_t tzdbNameMatchIdx = -1; |
| 1238 | int32_t matchPos = -1; |
| 1239 | if (!tzdbNameMatches.isNull()) { |
| 1240 | for (int32_t i = 0; i < tzdbNameMatches->size(); i++) { |
| 1241 | if (startIdx + tzdbNameMatches->getMatchLengthAt(i) > matchPos) { |
| 1242 | tzdbNameMatchIdx = i; |
| 1243 | matchPos = startIdx + tzdbNameMatches->getMatchLengthAt(i); |
| 1244 | } |
| 1245 | } |
| 1246 | } |
| 1247 | if (parsedPos < matchPos) { |
| 1248 | U_ASSERT(tzdbNameMatchIdx >= 0)(void)0; |
| 1249 | parsedPos = matchPos; |
| 1250 | getTimeZoneID(tzdbNameMatches.getAlias(), tzdbNameMatchIdx, parsedID); |
| 1251 | parsedTimeType = getTimeType(tzdbNameMatches->getNameTypeAt(tzdbNameMatchIdx)); |
| 1252 | parsedOffset = UNKNOWN_OFFSET; |
| 1253 | } |
| 1254 | } |
| 1255 | } |
| 1256 | // Try generic names |
| 1257 | if (parsedPos < maxPos) { |
| 1258 | int32_t genMatchLen = -1; |
| 1259 | UTimeZoneFormatTimeType tt = UTZFMT_TIME_TYPE_UNKNOWN; |
| 1260 | |
| 1261 | const TimeZoneGenericNames *gnames = getTimeZoneGenericNames(status); |
| 1262 | if (U_SUCCESS(status)) { |
| 1263 | genMatchLen = gnames->findBestMatch(text, startIdx, ALL_GENERIC_NAME_TYPES, tzID, tt, status); |
| 1264 | } |
| 1265 | if (U_FAILURE(status)) { |
| 1266 | pos.setErrorIndex(startIdx); |
| 1267 | return NULL__null; |
| 1268 | } |
| 1269 | |
| 1270 | if (genMatchLen > 0 && parsedPos < startIdx + genMatchLen) { |
| 1271 | parsedPos = startIdx + genMatchLen; |
| 1272 | parsedID.setTo(tzID); |
| 1273 | parsedTimeType = tt; |
| 1274 | parsedOffset = UNKNOWN_OFFSET; |
| 1275 | } |
| 1276 | } |
| 1277 | |
| 1278 | // Try time zone ID |
| 1279 | if (parsedPos < maxPos && (evaluated & STYLE_PARSE_FLAGS[UTZFMT_STYLE_ZONE_ID]) == 0) { |
| 1280 | tmpPos.setIndex(startIdx); |
| 1281 | tmpPos.setErrorIndex(-1); |
| 1282 | |
| 1283 | parseZoneID(text, tmpPos, tzID); |
| 1284 | if (tmpPos.getErrorIndex() == -1 && parsedPos < tmpPos.getIndex()) { |
| 1285 | parsedPos = tmpPos.getIndex(); |
| 1286 | parsedID.setTo(tzID); |
| 1287 | parsedTimeType = UTZFMT_TIME_TYPE_UNKNOWN; |
| 1288 | parsedOffset = UNKNOWN_OFFSET; |
| 1289 | } |
| 1290 | } |
| 1291 | // Try short time zone ID |
| 1292 | if (parsedPos < maxPos && (evaluated & STYLE_PARSE_FLAGS[UTZFMT_STYLE_ZONE_ID]) == 0) { |
| 1293 | tmpPos.setIndex(startIdx); |
| 1294 | tmpPos.setErrorIndex(-1); |
| 1295 | |
| 1296 | parseShortZoneID(text, tmpPos, tzID); |
| 1297 | if (tmpPos.getErrorIndex() == -1 && parsedPos < tmpPos.getIndex()) { |
| 1298 | parsedPos = tmpPos.getIndex(); |
| 1299 | parsedID.setTo(tzID); |
| 1300 | parsedTimeType = UTZFMT_TIME_TYPE_UNKNOWN; |
| 1301 | parsedOffset = UNKNOWN_OFFSET; |
| 1302 | } |
| 1303 | } |
| 1304 | } |
| 1305 | |
| 1306 | if (parsedPos > startIdx) { |
| 1307 | // Parsed successfully |
| 1308 | TimeZone* parsedTZ; |
| 1309 | if (parsedID.length() > 0) { |
| 1310 | parsedTZ = TimeZone::createTimeZone(parsedID); |
| 1311 | } else { |
| 1312 | U_ASSERT(parsedOffset != UNKNOWN_OFFSET)(void)0; |
| 1313 | parsedTZ = createTimeZoneForOffset(parsedOffset); |
| 1314 | } |
| 1315 | if (timeType) { |
| 1316 | *timeType = parsedTimeType; |
| 1317 | } |
| 1318 | pos.setIndex(parsedPos); |
| 1319 | return parsedTZ; |
| 1320 | } |
| 1321 | |
| 1322 | pos.setErrorIndex(startIdx); |
| 1323 | return NULL__null; |
| 1324 | } |
| 1325 | |
| 1326 | void |
| 1327 | TimeZoneFormat::parseObject(const UnicodeString& source, Formattable& result, |
| 1328 | ParsePosition& parse_pos) const { |
| 1329 | result.adoptObject(parse(UTZFMT_STYLE_GENERIC_LOCATION, source, parse_pos, UTZFMT_PARSE_OPTION_ALL_STYLES)); |
| 1330 | } |
| 1331 | |
| 1332 | |
| 1333 | // ------------------------------------------------------------------ |
| 1334 | // Private zone name format/parse implementation |
| 1335 | |
| 1336 | UnicodeString& |
| 1337 | TimeZoneFormat::formatGeneric(const TimeZone& tz, int32_t genType, UDate date, UnicodeString& name) const { |
| 1338 | UErrorCode status = U_ZERO_ERROR; |
| 1339 | const TimeZoneGenericNames* gnames = getTimeZoneGenericNames(status); |
| 1340 | if (U_FAILURE(status)) { |
| 1341 | name.setToBogus(); |
| 1342 | return name; |
| 1343 | } |
| 1344 | |
| 1345 | if (genType == UTZGNM_LOCATION) { |
| 1346 | const UChar* canonicalID = ZoneMeta::getCanonicalCLDRID(tz); |
| 1347 | if (canonicalID == NULL__null) { |
| 1348 | name.setToBogus(); |
| 1349 | return name; |
| 1350 | } |
| 1351 | return gnames->getGenericLocationName(UnicodeString(TRUE1, canonicalID, -1), name); |
| 1352 | } |
| 1353 | return gnames->getDisplayName(tz, (UTimeZoneGenericNameType)genType, date, name); |
| 1354 | } |
| 1355 | |
| 1356 | UnicodeString& |
| 1357 | TimeZoneFormat::formatSpecific(const TimeZone& tz, UTimeZoneNameType stdType, UTimeZoneNameType dstType, |
| 1358 | UDate date, UnicodeString& name, UTimeZoneFormatTimeType *timeType) const { |
| 1359 | if (fTimeZoneNames == NULL__null) { |
| 1360 | name.setToBogus(); |
| 1361 | return name; |
| 1362 | } |
| 1363 | |
| 1364 | UErrorCode status = U_ZERO_ERROR; |
| 1365 | UBool isDaylight = tz.inDaylightTime(date, status); |
| 1366 | const UChar* canonicalID = ZoneMeta::getCanonicalCLDRID(tz); |
| 1367 | |
| 1368 | if (U_FAILURE(status) || canonicalID == NULL__null) { |
| 1369 | name.setToBogus(); |
| 1370 | return name; |
| 1371 | } |
| 1372 | |
| 1373 | if (isDaylight) { |
| 1374 | fTimeZoneNames->getDisplayName(UnicodeString(TRUE1, canonicalID, -1), dstType, date, name); |
| 1375 | } else { |
| 1376 | fTimeZoneNames->getDisplayName(UnicodeString(TRUE1, canonicalID, -1), stdType, date, name); |
| 1377 | } |
| 1378 | |
| 1379 | if (timeType && !name.isEmpty()) { |
| 1380 | *timeType = isDaylight ? UTZFMT_TIME_TYPE_DAYLIGHT : UTZFMT_TIME_TYPE_STANDARD; |
| 1381 | } |
| 1382 | return name; |
| 1383 | } |
| 1384 | |
| 1385 | const TimeZoneGenericNames* |
| 1386 | TimeZoneFormat::getTimeZoneGenericNames(UErrorCode& status) const { |
| 1387 | if (U_FAILURE(status)) { |
| 1388 | return NULL__null; |
| 1389 | } |
| 1390 | |
| 1391 | umtx_lockumtx_lock_71(&gLock); |
| 1392 | if (fTimeZoneGenericNames == NULL__null) { |
| 1393 | TimeZoneFormat *nonConstThis = const_cast<TimeZoneFormat *>(this); |
| 1394 | nonConstThis->fTimeZoneGenericNames = TimeZoneGenericNames::createInstance(fLocale, status); |
| 1395 | } |
| 1396 | umtx_unlockumtx_unlock_71(&gLock); |
| 1397 | |
| 1398 | return fTimeZoneGenericNames; |
| 1399 | } |
| 1400 | |
| 1401 | const TZDBTimeZoneNames* |
| 1402 | TimeZoneFormat::getTZDBTimeZoneNames(UErrorCode& status) const { |
| 1403 | if (U_FAILURE(status)) { |
| 1404 | return NULL__null; |
| 1405 | } |
| 1406 | |
| 1407 | umtx_lockumtx_lock_71(&gLock); |
| 1408 | if (fTZDBTimeZoneNames == NULL__null) { |
| 1409 | TZDBTimeZoneNames *tzdbNames = new TZDBTimeZoneNames(fLocale); |
| 1410 | if (tzdbNames == NULL__null) { |
| 1411 | status = U_MEMORY_ALLOCATION_ERROR; |
| 1412 | } else { |
| 1413 | TimeZoneFormat *nonConstThis = const_cast<TimeZoneFormat *>(this); |
| 1414 | nonConstThis->fTZDBTimeZoneNames = tzdbNames; |
| 1415 | } |
| 1416 | } |
| 1417 | umtx_unlockumtx_unlock_71(&gLock); |
| 1418 | |
| 1419 | return fTZDBTimeZoneNames; |
| 1420 | } |
| 1421 | |
| 1422 | UnicodeString& |
| 1423 | TimeZoneFormat::formatExemplarLocation(const TimeZone& tz, UnicodeString& name) const { |
| 1424 | UChar locationBuf[ZONE_NAME_U16_MAX128]; |
| 1425 | UnicodeString location(locationBuf, 0, UPRV_LENGTHOF(locationBuf)(int32_t)(sizeof(locationBuf)/sizeof((locationBuf)[0]))); |
| 1426 | const UChar* canonicalID = ZoneMeta::getCanonicalCLDRID(tz); |
| 1427 | |
| 1428 | if (canonicalID) { |
| 1429 | fTimeZoneNames->getExemplarLocationName(UnicodeString(TRUE1, canonicalID, -1), location); |
| 1430 | } |
| 1431 | if (location.length() > 0) { |
| 1432 | name.setTo(location); |
| 1433 | } else { |
| 1434 | // Use "unknown" location |
| 1435 | fTimeZoneNames->getExemplarLocationName(UnicodeString(TRUE1, UNKNOWN_ZONE_ID, -1), location); |
| 1436 | if (location.length() > 0) { |
| 1437 | name.setTo(location); |
| 1438 | } else { |
| 1439 | // last resort |
| 1440 | name.setTo(UNKNOWN_LOCATION, -1); |
| 1441 | } |
| 1442 | } |
| 1443 | return name; |
| 1444 | } |
| 1445 | |
| 1446 | |
| 1447 | // ------------------------------------------------------------------ |
| 1448 | // Zone offset format and parse |
| 1449 | |
| 1450 | UnicodeString& |
| 1451 | TimeZoneFormat::formatOffsetISO8601Basic(int32_t offset, UBool useUtcIndicator, UBool isShort, UBool ignoreSeconds, |
| 1452 | UnicodeString& result, UErrorCode& status) const { |
| 1453 | return formatOffsetISO8601(offset, TRUE1, useUtcIndicator, isShort, ignoreSeconds, result, status); |
| 1454 | } |
| 1455 | |
| 1456 | UnicodeString& |
| 1457 | TimeZoneFormat::formatOffsetISO8601Extended(int32_t offset, UBool useUtcIndicator, UBool isShort, UBool ignoreSeconds, |
| 1458 | UnicodeString& result, UErrorCode& status) const { |
| 1459 | return formatOffsetISO8601(offset, FALSE0, useUtcIndicator, isShort, ignoreSeconds, result, status); |
| 1460 | } |
| 1461 | |
| 1462 | UnicodeString& |
| 1463 | TimeZoneFormat::formatOffsetLocalizedGMT(int32_t offset, UnicodeString& result, UErrorCode& status) const { |
| 1464 | return formatOffsetLocalizedGMT(offset, FALSE0, result, status); |
| 1465 | } |
| 1466 | |
| 1467 | UnicodeString& |
| 1468 | TimeZoneFormat::formatOffsetShortLocalizedGMT(int32_t offset, UnicodeString& result, UErrorCode& status) const { |
| 1469 | return formatOffsetLocalizedGMT(offset, TRUE1, result, status); |
| 1470 | } |
| 1471 | |
| 1472 | int32_t |
| 1473 | TimeZoneFormat::parseOffsetISO8601(const UnicodeString& text, ParsePosition& pos) const { |
| 1474 | return parseOffsetISO8601(text, pos, FALSE0); |
| 1475 | } |
| 1476 | |
| 1477 | int32_t |
| 1478 | TimeZoneFormat::parseOffsetLocalizedGMT(const UnicodeString& text, ParsePosition& pos) const { |
| 1479 | return parseOffsetLocalizedGMT(text, pos, FALSE0, NULL__null); |
| 1480 | } |
| 1481 | |
| 1482 | int32_t |
| 1483 | TimeZoneFormat::parseOffsetShortLocalizedGMT(const UnicodeString& text, ParsePosition& pos) const { |
| 1484 | return parseOffsetLocalizedGMT(text, pos, TRUE1, NULL__null); |
| 1485 | } |
| 1486 | |
| 1487 | // ------------------------------------------------------------------ |
| 1488 | // Private zone offset format/parse implementation |
| 1489 | |
| 1490 | UnicodeString& |
| 1491 | TimeZoneFormat::formatOffsetISO8601(int32_t offset, UBool isBasic, UBool useUtcIndicator, |
| 1492 | UBool isShort, UBool ignoreSeconds, UnicodeString& result, UErrorCode& status) const { |
| 1493 | if (U_FAILURE(status)) { |
| 1494 | result.setToBogus(); |
| 1495 | return result; |
| 1496 | } |
| 1497 | int32_t absOffset = offset < 0 ? -offset : offset; |
| 1498 | if (useUtcIndicator && (absOffset < MILLIS_PER_SECOND || (ignoreSeconds && absOffset < MILLIS_PER_MINUTE))) { |
| 1499 | result.setTo(ISO8601_UTC); |
| 1500 | return result; |
| 1501 | } |
| 1502 | |
| 1503 | OffsetFields minFields = isShort ? FIELDS_H : FIELDS_HM; |
| 1504 | OffsetFields maxFields = ignoreSeconds ? FIELDS_HM : FIELDS_HMS; |
| 1505 | UChar sep = isBasic ? 0 : ISO8601_SEP; |
| 1506 | |
| 1507 | // Note: FIELDS_HMS as maxFields is a CLDR/ICU extension. ISO 8601 specification does |
| 1508 | // not support seconds field. |
| 1509 | |
| 1510 | if (absOffset >= MAX_OFFSET) { |
| 1511 | result.setToBogus(); |
| 1512 | status = U_ILLEGAL_ARGUMENT_ERROR; |
| 1513 | return result; |
| 1514 | } |
| 1515 | |
| 1516 | int fields[3]; |
| 1517 | fields[0] = absOffset / MILLIS_PER_HOUR; |
| 1518 | absOffset = absOffset % MILLIS_PER_HOUR; |
| 1519 | fields[1] = absOffset / MILLIS_PER_MINUTE; |
| 1520 | absOffset = absOffset % MILLIS_PER_MINUTE; |
| 1521 | fields[2] = absOffset / MILLIS_PER_SECOND; |
| 1522 | |
| 1523 | U_ASSERT(fields[0] >= 0 && fields[0] <= MAX_OFFSET_HOUR)(void)0; |
| 1524 | U_ASSERT(fields[1] >= 0 && fields[1] <= MAX_OFFSET_MINUTE)(void)0; |
| 1525 | U_ASSERT(fields[2] >= 0 && fields[2] <= MAX_OFFSET_SECOND)(void)0; |
| 1526 | |
| 1527 | int32_t lastIdx = maxFields; |
| 1528 | while (lastIdx > minFields) { |
| 1529 | if (fields[lastIdx] != 0) { |
| 1530 | break; |
| 1531 | } |
| 1532 | lastIdx--; |
| 1533 | } |
| 1534 | |
| 1535 | UChar sign = PLUS; |
| 1536 | if (offset < 0) { |
| 1537 | // if all output fields are 0s, do not use negative sign |
| 1538 | for (int32_t idx = 0; idx <= lastIdx; idx++) { |
| 1539 | if (fields[idx] != 0) { |
| 1540 | sign = MINUS; |
| 1541 | break; |
| 1542 | } |
| 1543 | } |
| 1544 | } |
| 1545 | result.setTo(sign); |
| 1546 | |
| 1547 | for (int32_t idx = 0; idx <= lastIdx; idx++) { |
| 1548 | if (sep && idx != 0) { |
| 1549 | result.append(sep); |
| 1550 | } |
| 1551 | result.append((UChar)(0x0030 + fields[idx]/10)); |
| 1552 | result.append((UChar)(0x0030 + fields[idx]%10)); |
| 1553 | } |
| 1554 | |
| 1555 | return result; |
| 1556 | } |
| 1557 | |
| 1558 | UnicodeString& |
| 1559 | TimeZoneFormat::formatOffsetLocalizedGMT(int32_t offset, UBool isShort, UnicodeString& result, UErrorCode& status) const { |
| 1560 | if (U_FAILURE(status)) { |
| 1561 | result.setToBogus(); |
| 1562 | return result; |
| 1563 | } |
| 1564 | if (offset <= -MAX_OFFSET || offset >= MAX_OFFSET) { |
| 1565 | result.setToBogus(); |
| 1566 | status = U_ILLEGAL_ARGUMENT_ERROR; |
| 1567 | return result; |
| 1568 | } |
| 1569 | |
| 1570 | if (offset == 0) { |
| 1571 | result.setTo(fGMTZeroFormat); |
| 1572 | return result; |
| 1573 | } |
| 1574 | |
| 1575 | UBool positive = TRUE1; |
| 1576 | if (offset < 0) { |
| 1577 | offset = -offset; |
| 1578 | positive = FALSE0; |
| 1579 | } |
| 1580 | |
| 1581 | int32_t offsetH = offset / MILLIS_PER_HOUR; |
| 1582 | offset = offset % MILLIS_PER_HOUR; |
| 1583 | int32_t offsetM = offset / MILLIS_PER_MINUTE; |
| 1584 | offset = offset % MILLIS_PER_MINUTE; |
| 1585 | int32_t offsetS = offset / MILLIS_PER_SECOND; |
| 1586 | |
| 1587 | U_ASSERT(offsetH <= MAX_OFFSET_HOUR && offsetM <= MAX_OFFSET_MINUTE && offsetS <= MAX_OFFSET_SECOND)(void)0; |
| 1588 | |
| 1589 | const UVector* offsetPatternItems = NULL__null; |
| 1590 | if (positive) { |
| 1591 | if (offsetS != 0) { |
| 1592 | offsetPatternItems = fGMTOffsetPatternItems[UTZFMT_PAT_POSITIVE_HMS]; |
| 1593 | } else if (offsetM != 0 || !isShort) { |
| 1594 | offsetPatternItems = fGMTOffsetPatternItems[UTZFMT_PAT_POSITIVE_HM]; |
| 1595 | } else { |
| 1596 | offsetPatternItems = fGMTOffsetPatternItems[UTZFMT_PAT_POSITIVE_H]; |
| 1597 | } |
| 1598 | } else { |
| 1599 | if (offsetS != 0) { |
| 1600 | offsetPatternItems = fGMTOffsetPatternItems[UTZFMT_PAT_NEGATIVE_HMS]; |
| 1601 | } else if (offsetM != 0 || !isShort) { |
| 1602 | offsetPatternItems = fGMTOffsetPatternItems[UTZFMT_PAT_NEGATIVE_HM]; |
| 1603 | } else { |
| 1604 | offsetPatternItems = fGMTOffsetPatternItems[UTZFMT_PAT_NEGATIVE_H]; |
| 1605 | } |
| 1606 | } |
| 1607 | |
| 1608 | U_ASSERT(offsetPatternItems != NULL)(void)0; |
| 1609 | |
| 1610 | // Building the GMT format string |
| 1611 | result.setTo(fGMTPatternPrefix); |
| 1612 | |
| 1613 | for (int32_t i = 0; i < offsetPatternItems->size(); i++) { |
| 1614 | const GMTOffsetField* item = (GMTOffsetField*)offsetPatternItems->elementAt(i); |
| 1615 | GMTOffsetField::FieldType type = item->getType(); |
| 1616 | |
| 1617 | switch (type) { |
| 1618 | case GMTOffsetField::TEXT: |
| 1619 | result.append(item->getPatternText(), -1); |
| 1620 | break; |
| 1621 | |
| 1622 | case GMTOffsetField::HOUR: |
| 1623 | appendOffsetDigits(result, offsetH, (isShort ? 1 : 2)); |
| 1624 | break; |
| 1625 | |
| 1626 | case GMTOffsetField::MINUTE: |
| 1627 | appendOffsetDigits(result, offsetM, 2); |
| 1628 | break; |
| 1629 | |
| 1630 | case GMTOffsetField::SECOND: |
| 1631 | appendOffsetDigits(result, offsetS, 2); |
| 1632 | break; |
| 1633 | } |
| 1634 | } |
| 1635 | |
| 1636 | result.append(fGMTPatternSuffix); |
| 1637 | return result; |
| 1638 | } |
| 1639 | |
| 1640 | int32_t |
| 1641 | TimeZoneFormat::parseOffsetISO8601(const UnicodeString& text, ParsePosition& pos, UBool extendedOnly, UBool* hasDigitOffset /* = NULL */) const { |
| 1642 | if (hasDigitOffset) { |
| 1643 | *hasDigitOffset = FALSE0; |
| 1644 | } |
| 1645 | int32_t start = pos.getIndex(); |
| 1646 | if (start >= text.length()) { |
| 1647 | pos.setErrorIndex(start); |
| 1648 | return 0; |
| 1649 | } |
| 1650 | |
| 1651 | UChar firstChar = text.charAt(start); |
| 1652 | if (firstChar == ISO8601_UTC || firstChar == (UChar)(ISO8601_UTC + 0x20)) { |
| 1653 | // "Z" (or "z") - indicates UTC |
| 1654 | pos.setIndex(start + 1); |
| 1655 | return 0; |
| 1656 | } |
| 1657 | |
| 1658 | int32_t sign = 1; |
| 1659 | if (firstChar == PLUS) { |
| 1660 | sign = 1; |
| 1661 | } else if (firstChar == MINUS) { |
| 1662 | sign = -1; |
| 1663 | } else { |
| 1664 | // Not an ISO 8601 offset string |
| 1665 | pos.setErrorIndex(start); |
| 1666 | return 0; |
| 1667 | } |
| 1668 | ParsePosition posOffset(start + 1); |
| 1669 | int32_t offset = parseAsciiOffsetFields(text, posOffset, ISO8601_SEP, FIELDS_H, FIELDS_HMS); |
| 1670 | if (posOffset.getErrorIndex() == -1 && !extendedOnly && (posOffset.getIndex() - start <= 3)) { |
| 1671 | // If the text is successfully parsed as extended format with the options above, it can be also parsed |
| 1672 | // as basic format. For example, "0230" can be parsed as offset 2:00 (only first digits are valid for |
| 1673 | // extended format), but it can be parsed as offset 2:30 with basic format. We use longer result. |
| 1674 | ParsePosition posBasic(start + 1); |
| 1675 | int32_t tmpOffset = parseAbuttingAsciiOffsetFields(text, posBasic, FIELDS_H, FIELDS_HMS, FALSE0); |
| 1676 | if (posBasic.getErrorIndex() == -1 && posBasic.getIndex() > posOffset.getIndex()) { |
| 1677 | offset = tmpOffset; |
| 1678 | posOffset.setIndex(posBasic.getIndex()); |
| 1679 | } |
| 1680 | } |
| 1681 | |
| 1682 | if (posOffset.getErrorIndex() != -1) { |
| 1683 | pos.setErrorIndex(start); |
| 1684 | return 0; |
| 1685 | } |
| 1686 | |
| 1687 | pos.setIndex(posOffset.getIndex()); |
| 1688 | if (hasDigitOffset) { |
| 1689 | *hasDigitOffset = TRUE1; |
| 1690 | } |
| 1691 | return sign * offset; |
| 1692 | } |
| 1693 | |
| 1694 | int32_t |
| 1695 | TimeZoneFormat::parseOffsetLocalizedGMT(const UnicodeString& text, ParsePosition& pos, UBool isShort, UBool* hasDigitOffset) const { |
| 1696 | int32_t start = pos.getIndex(); |
| 1697 | int32_t offset = 0; |
| 1698 | int32_t parsedLength = 0; |
| 1699 | |
| 1700 | if (hasDigitOffset) { |
| 1701 | *hasDigitOffset = FALSE0; |
| 1702 | } |
| 1703 | |
| 1704 | offset = parseOffsetLocalizedGMTPattern(text, start, isShort, parsedLength); |
| 1705 | |
| 1706 | // For now, parseOffsetLocalizedGMTPattern handles both long and short |
| 1707 | // formats, no matter isShort is true or false. This might be changed in future |
| 1708 | // when strict parsing is necessary, or different set of patterns are used for |
| 1709 | // short/long formats. |
| 1710 | #if 0 |
| 1711 | if (parsedLength == 0) { |
| 1712 | offset = parseOffsetLocalizedGMTPattern(text, start, !isShort, parsedLength); |
| 1713 | } |
| 1714 | #endif |
| 1715 | |
| 1716 | if (parsedLength > 0) { |
| 1717 | if (hasDigitOffset) { |
| 1718 | *hasDigitOffset = TRUE1; |
| 1719 | } |
| 1720 | pos.setIndex(start + parsedLength); |
| 1721 | return offset; |
| 1722 | } |
| 1723 | |
| 1724 | // Try the default patterns |
| 1725 | offset = parseOffsetDefaultLocalizedGMT(text, start, parsedLength); |
| 1726 | if (parsedLength > 0) { |
| 1727 | if (hasDigitOffset) { |
| 1728 | *hasDigitOffset = TRUE1; |
| 1729 | } |
| 1730 | pos.setIndex(start + parsedLength); |
| 1731 | return offset; |
| 1732 | } |
| 1733 | |
| 1734 | // Check if this is a GMT zero format |
| 1735 | if (text.caseCompare(start, fGMTZeroFormat.length(), fGMTZeroFormat, 0) == 0) { |
| 1736 | pos.setIndex(start + fGMTZeroFormat.length()); |
| 1737 | return 0; |
| 1738 | } |
| 1739 | |
| 1740 | // Check if this is a default GMT zero format |
| 1741 | for (int32_t i = 0; ALT_GMT_STRINGS[i][0] != 0; i++) { |
| 1742 | const UChar* defGMTZero = ALT_GMT_STRINGS[i]; |
| 1743 | int32_t defGMTZeroLen = u_strlenu_strlen_71(defGMTZero); |
| 1744 | if (text.caseCompare(start, defGMTZeroLen, defGMTZero, 0) == 0) { |
| 1745 | pos.setIndex(start + defGMTZeroLen); |
| 1746 | return 0; |
| 1747 | } |
| 1748 | } |
| 1749 | |
| 1750 | // Nothing matched |
| 1751 | pos.setErrorIndex(start); |
| 1752 | return 0; |
| 1753 | } |
| 1754 | |
| 1755 | int32_t |
| 1756 | TimeZoneFormat::parseOffsetLocalizedGMTPattern(const UnicodeString& text, int32_t start, UBool /*isShort*/, int32_t& parsedLen) const { |
| 1757 | int32_t idx = start; |
| 1758 | int32_t offset = 0; |
| 1759 | UBool parsed = FALSE0; |
| 1760 | |
| 1761 | do { |
| 1762 | // Prefix part |
| 1763 | int32_t len = fGMTPatternPrefix.length(); |
| 1764 | if (len > 0 && text.caseCompare(idx, len, fGMTPatternPrefix, 0) != 0) { |
| 1765 | // prefix match failed |
| 1766 | break; |
| 1767 | } |
| 1768 | idx += len; |
| 1769 | |
| 1770 | // Offset part |
| 1771 | offset = parseOffsetFields(text, idx, FALSE0, len); |
| 1772 | if (len == 0) { |
| 1773 | // offset field match failed |
| 1774 | break; |
| 1775 | } |
| 1776 | idx += len; |
| 1777 | |
| 1778 | len = fGMTPatternSuffix.length(); |
| 1779 | if (len > 0 && text.caseCompare(idx, len, fGMTPatternSuffix, 0) != 0) { |
| 1780 | // no suffix match |
| 1781 | break; |
| 1782 | } |
| 1783 | idx += len; |
| 1784 | parsed = TRUE1; |
| 1785 | } while (FALSE0); |
| 1786 | |
| 1787 | parsedLen = parsed ? idx - start : 0; |
| 1788 | return offset; |
| 1789 | } |
| 1790 | |
| 1791 | int32_t |
| 1792 | TimeZoneFormat::parseOffsetFields(const UnicodeString& text, int32_t start, UBool /*isShort*/, int32_t& parsedLen) const { |
| 1793 | int32_t outLen = 0; |
| 1794 | int32_t offset = 0; |
| 1795 | int32_t sign = 1; |
| 1796 | |
| 1797 | parsedLen = 0; |
| 1798 | |
| 1799 | int32_t offsetH, offsetM, offsetS; |
| 1800 | offsetH = offsetM = offsetS = 0; |
| 1801 | |
| 1802 | for (int32_t patidx = 0; PARSE_GMT_OFFSET_TYPES[patidx] >= 0; patidx++) { |
| 1803 | int32_t gmtPatType = PARSE_GMT_OFFSET_TYPES[patidx]; |
| 1804 | UVector* items = fGMTOffsetPatternItems[gmtPatType]; |
| 1805 | U_ASSERT(items != NULL)(void)0; |
| 1806 | |
| 1807 | outLen = parseOffsetFieldsWithPattern(text, start, items, FALSE0, offsetH, offsetM, offsetS); |
| 1808 | if (outLen > 0) { |
| 1809 | sign = (gmtPatType == UTZFMT_PAT_POSITIVE_H || gmtPatType == UTZFMT_PAT_POSITIVE_HM || gmtPatType == UTZFMT_PAT_POSITIVE_HMS) ? |
| 1810 | 1 : -1; |
| 1811 | break; |
| 1812 | } |
| 1813 | } |
| 1814 | |
| 1815 | if (outLen > 0 && fAbuttingOffsetHoursAndMinutes) { |
| 1816 | // When hours field is sabutting minutes field, |
| 1817 | // the parse result above may not be appropriate. |
| 1818 | // For example, "01020" is parsed as 01:02: above, |
| 1819 | // but it should be parsed as 00:10:20. |
| 1820 | int32_t tmpLen = 0; |
| 1821 | int32_t tmpSign = 1; |
| 1822 | int32_t tmpH = 0; |
| 1823 | int32_t tmpM = 0; |
| 1824 | int32_t tmpS = 0; |
| 1825 | |
| 1826 | for (int32_t patidx = 0; PARSE_GMT_OFFSET_TYPES[patidx] >= 0; patidx++) { |
| 1827 | int32_t gmtPatType = PARSE_GMT_OFFSET_TYPES[patidx]; |
| 1828 | UVector* items = fGMTOffsetPatternItems[gmtPatType]; |
| 1829 | U_ASSERT(items != NULL)(void)0; |
| 1830 | |
| 1831 | // forcing parse to use single hour digit |
| 1832 | tmpLen = parseOffsetFieldsWithPattern(text, start, items, TRUE1, tmpH, tmpM, tmpS); |
| 1833 | if (tmpLen > 0) { |
| 1834 | tmpSign = (gmtPatType == UTZFMT_PAT_POSITIVE_H || gmtPatType == UTZFMT_PAT_POSITIVE_HM || gmtPatType == UTZFMT_PAT_POSITIVE_HMS) ? |
| 1835 | 1 : -1; |
| 1836 | break; |
| 1837 | } |
| 1838 | } |
| 1839 | if (tmpLen > outLen) { |
| 1840 | // Better parse result with single hour digit |
| 1841 | outLen = tmpLen; |
| 1842 | sign = tmpSign; |
| 1843 | offsetH = tmpH; |
| 1844 | offsetM = tmpM; |
| 1845 | offsetS = tmpS; |
| 1846 | } |
| 1847 | } |
| 1848 | |
| 1849 | if (outLen > 0) { |
| 1850 | offset = ((((offsetH * 60) + offsetM) * 60) + offsetS) * 1000 * sign; |
| 1851 | parsedLen = outLen; |
| 1852 | } |
| 1853 | |
| 1854 | return offset; |
| 1855 | } |
| 1856 | |
| 1857 | int32_t |
| 1858 | TimeZoneFormat::parseOffsetFieldsWithPattern(const UnicodeString& text, int32_t start, |
| 1859 | UVector* patternItems, UBool forceSingleHourDigit, int32_t& hour, int32_t& min, int32_t& sec) const { |
| 1860 | UBool failed = FALSE0; |
| 1861 | int32_t offsetH, offsetM, offsetS; |
| 1862 | offsetH = offsetM = offsetS = 0; |
| 1863 | int32_t idx = start; |
| 1864 | |
| 1865 | for (int32_t i = 0; i < patternItems->size(); i++) { |
| 1866 | int32_t len = 0; |
| 1867 | const GMTOffsetField* field = (const GMTOffsetField*)patternItems->elementAt(i); |
| 1868 | GMTOffsetField::FieldType fieldType = field->getType(); |
| 1869 | if (fieldType == GMTOffsetField::TEXT) { |
| 1870 | const UChar* patStr = field->getPatternText(); |
| 1871 | len = u_strlenu_strlen_71(patStr); |
| 1872 | if (i == 0) { |
| 1873 | // When TimeZoneFormat parse() is called from SimpleDateFormat, |
| 1874 | // leading space characters might be truncated. If the first pattern text |
| 1875 | // starts with such character (e.g. Bidi control), then we need to |
| 1876 | // skip the leading space characters. |
| 1877 | if (idx < text.length() && !PatternProps::isWhiteSpace(text.char32At(idx))) { |
| 1878 | while (len > 0) { |
| 1879 | UChar32 ch; |
| 1880 | int32_t chLen; |
| 1881 | U16_GET(patStr, 0, 0, len, ch)do { (ch)=(patStr)[0]; if((((ch)&0xfffff800)==0xd800)) { uint16_t __c2; if((((ch)&0x400)==0)) { if((0)+1!=(len) && (((__c2=(patStr)[(0)+1])&0xfffffc00)==0xdc00)) { (ch)=(( (UChar32)((ch))<<10UL)+(UChar32)(__c2)-((0xd800<< 10UL)+0xdc00-0x10000)); } } else { if((0)>(0) && ( ((__c2=(patStr)[(0)-1])&0xfffffc00)==0xd800)) { (ch)=(((UChar32 )(__c2)<<10UL)+(UChar32)((ch))-((0xd800<<10UL)+0xdc00 -0x10000)); } } } } while (false); |
| 1882 | if (PatternProps::isWhiteSpace(ch)) { |
| 1883 | chLen = U16_LENGTH(ch)((uint32_t)(ch)<=0xffff ? 1 : 2); |
| 1884 | len -= chLen; |
| 1885 | patStr += chLen; |
| 1886 | } |
| 1887 | else { |
| 1888 | break; |
| 1889 | } |
| 1890 | } |
| 1891 | } |
| 1892 | } |
| 1893 | if (text.caseCompare(idx, len, patStr, 0) != 0) { |
| 1894 | failed = TRUE1; |
| 1895 | break; |
| 1896 | } |
| 1897 | idx += len; |
| 1898 | } else { |
| 1899 | if (fieldType == GMTOffsetField::HOUR) { |
| 1900 | uint8_t maxDigits = forceSingleHourDigit ? 1 : 2; |
| 1901 | offsetH = parseOffsetFieldWithLocalizedDigits(text, idx, 1, maxDigits, 0, MAX_OFFSET_HOUR, len); |
| 1902 | } else if (fieldType == GMTOffsetField::MINUTE) { |
| 1903 | offsetM = parseOffsetFieldWithLocalizedDigits(text, idx, 2, 2, 0, MAX_OFFSET_MINUTE, len); |
| 1904 | } else if (fieldType == GMTOffsetField::SECOND) { |
| 1905 | offsetS = parseOffsetFieldWithLocalizedDigits(text, idx, 2, 2, 0, MAX_OFFSET_SECOND, len); |
| 1906 | } |
| 1907 | |
| 1908 | if (len == 0) { |
| 1909 | failed = TRUE1; |
| 1910 | break; |
| 1911 | } |
| 1912 | idx += len; |
| 1913 | } |
| 1914 | } |
| 1915 | |
| 1916 | if (failed) { |
| 1917 | hour = min = sec = 0; |
| 1918 | return 0; |
| 1919 | } |
| 1920 | |
| 1921 | hour = offsetH; |
| 1922 | min = offsetM; |
| 1923 | sec = offsetS; |
| 1924 | |
| 1925 | return idx - start; |
| 1926 | } |
| 1927 | |
| 1928 | int32_t |
| 1929 | TimeZoneFormat::parseAbuttingOffsetFields(const UnicodeString& text, int32_t start, int32_t& parsedLen) const { |
| 1930 | int32_t digits[MAX_OFFSET_DIGITS6]; |
| 1931 | int32_t parsed[MAX_OFFSET_DIGITS6]; // accumulative offsets |
| 1932 | |
| 1933 | // Parse digits into int[] |
| 1934 | int32_t idx = start; |
| 1935 | int32_t len = 0; |
| 1936 | int32_t numDigits = 0; |
| 1937 | for (int32_t i = 0; i < MAX_OFFSET_DIGITS6; i++) { |
| 1938 | digits[i] = parseSingleLocalizedDigit(text, idx, len); |
| 1939 | if (digits[i] < 0) { |
| 1940 | break; |
| 1941 | } |
| 1942 | idx += len; |
| 1943 | parsed[i] = idx - start; |
| 1944 | numDigits++; |
| 1945 | } |
| 1946 | |
| 1947 | if (numDigits == 0) { |
| 1948 | parsedLen = 0; |
| 1949 | return 0; |
| 1950 | } |
| 1951 | |
| 1952 | int32_t offset = 0; |
| 1953 | while (numDigits > 0) { |
| 1954 | int32_t hour = 0; |
| 1955 | int32_t min = 0; |
| 1956 | int32_t sec = 0; |
| 1957 | |
| 1958 | U_ASSERT(numDigits > 0 && numDigits <= MAX_OFFSET_DIGITS)(void)0; |
| 1959 | switch (numDigits) { |
| 1960 | case 1: // H |
| 1961 | hour = digits[0]; |
| 1962 | break; |
| 1963 | case 2: // HH |
| 1964 | hour = digits[0] * 10 + digits[1]; |
| 1965 | break; |
| 1966 | case 3: // Hmm |
| 1967 | hour = digits[0]; |
| 1968 | min = digits[1] * 10 + digits[2]; |
| 1969 | break; |
| 1970 | case 4: // HHmm |
| 1971 | hour = digits[0] * 10 + digits[1]; |
| 1972 | min = digits[2] * 10 + digits[3]; |
| 1973 | break; |
| 1974 | case 5: // Hmmss |
| 1975 | hour = digits[0]; |
| 1976 | min = digits[1] * 10 + digits[2]; |
| 1977 | sec = digits[3] * 10 + digits[4]; |
| 1978 | break; |
| 1979 | case 6: // HHmmss |
| 1980 | hour = digits[0] * 10 + digits[1]; |
| 1981 | min = digits[2] * 10 + digits[3]; |
| 1982 | sec = digits[4] * 10 + digits[5]; |
| 1983 | break; |
| 1984 | } |
| 1985 | if (hour <= MAX_OFFSET_HOUR && min <= MAX_OFFSET_MINUTE && sec <= MAX_OFFSET_SECOND) { |
| 1986 | // found a valid combination |
| 1987 | offset = hour * MILLIS_PER_HOUR + min * MILLIS_PER_MINUTE + sec * MILLIS_PER_SECOND; |
| 1988 | parsedLen = parsed[numDigits - 1]; |
| 1989 | break; |
| 1990 | } |
| 1991 | numDigits--; |
| 1992 | } |
| 1993 | return offset; |
| 1994 | } |
| 1995 | |
| 1996 | int32_t |
| 1997 | TimeZoneFormat::parseOffsetDefaultLocalizedGMT(const UnicodeString& text, int start, int32_t& parsedLen) const { |
| 1998 | int32_t idx = start; |
| 1999 | int32_t offset = 0; |
| 2000 | int32_t parsed = 0; |
| 2001 | |
| 2002 | do { |
| 2003 | // check global default GMT alternatives |
| 2004 | int32_t gmtLen = 0; |
| 2005 | |
| 2006 | for (int32_t i = 0; ALT_GMT_STRINGS[i][0] != 0; i++) { |
| 2007 | const UChar* gmt = ALT_GMT_STRINGS[i]; |
| 2008 | int32_t len = u_strlenu_strlen_71(gmt); |
| 2009 | if (text.caseCompare(start, len, gmt, 0) == 0) { |
| 2010 | gmtLen = len; |
| 2011 | break; |
| 2012 | } |
| 2013 | } |
| 2014 | if (gmtLen == 0) { |
| 2015 | break; |
| 2016 | } |
| 2017 | idx += gmtLen; |
| 2018 | |
| 2019 | // offset needs a sign char and a digit at minimum |
| 2020 | if (idx + 1 >= text.length()) { |
| 2021 | break; |
| 2022 | } |
| 2023 | |
| 2024 | // parse sign |
| 2025 | int32_t sign = 1; |
| 2026 | UChar c = text.charAt(idx); |
| 2027 | if (c == PLUS) { |
| 2028 | sign = 1; |
| 2029 | } else if (c == MINUS) { |
| 2030 | sign = -1; |
| 2031 | } else { |
| 2032 | break; |
| 2033 | } |
| 2034 | idx++; |
| 2035 | |
| 2036 | // offset part |
| 2037 | // try the default pattern with the separator first |
| 2038 | int32_t lenWithSep = 0; |
| 2039 | int32_t offsetWithSep = parseDefaultOffsetFields(text, idx, DEFAULT_GMT_OFFSET_SEP, lenWithSep); |
| 2040 | if (lenWithSep == text.length() - idx) { |
| 2041 | // maximum match |
| 2042 | offset = offsetWithSep * sign; |
| 2043 | idx += lenWithSep; |
| 2044 | } else { |
| 2045 | // try abutting field pattern |
| 2046 | int32_t lenAbut = 0; |
| 2047 | int32_t offsetAbut = parseAbuttingOffsetFields(text, idx, lenAbut); |
| 2048 | |
| 2049 | if (lenWithSep > lenAbut) { |
| 2050 | offset = offsetWithSep * sign; |
| 2051 | idx += lenWithSep; |
| 2052 | } else { |
| 2053 | offset = offsetAbut * sign; |
| 2054 | idx += lenAbut; |
| 2055 | } |
| 2056 | } |
| 2057 | parsed = idx - start; |
| 2058 | } while (false); |
| 2059 | |
| 2060 | parsedLen = parsed; |
| 2061 | return offset; |
| 2062 | } |
| 2063 | |
| 2064 | int32_t |
| 2065 | TimeZoneFormat::parseDefaultOffsetFields(const UnicodeString& text, int32_t start, UChar separator, int32_t& parsedLen) const { |
| 2066 | int32_t max = text.length(); |
| 2067 | int32_t idx = start; |
| 2068 | int32_t len = 0; |
| 2069 | int32_t hour = 0, min = 0, sec = 0; |
| 2070 | |
| 2071 | parsedLen = 0; |
| 2072 | |
| 2073 | do { |
| 2074 | hour = parseOffsetFieldWithLocalizedDigits(text, idx, 1, 2, 0, MAX_OFFSET_HOUR, len); |
| 2075 | if (len == 0) { |
| 2076 | break; |
| 2077 | } |
| 2078 | idx += len; |
| 2079 | |
| 2080 | if (idx + 1 < max && text.charAt(idx) == separator) { |
| 2081 | min = parseOffsetFieldWithLocalizedDigits(text, idx + 1, 2, 2, 0, MAX_OFFSET_MINUTE, len); |
| 2082 | if (len == 0) { |
| 2083 | break; |
| 2084 | } |
| 2085 | idx += (1 + len); |
| 2086 | |
| 2087 | if (idx + 1 < max && text.charAt(idx) == separator) { |
| 2088 | sec = parseOffsetFieldWithLocalizedDigits(text, idx + 1, 2, 2, 0, MAX_OFFSET_SECOND, len); |
| 2089 | if (len == 0) { |
| 2090 | break; |
| 2091 | } |
| 2092 | idx += (1 + len); |
| 2093 | } |
| 2094 | } |
| 2095 | } while (FALSE0); |
| 2096 | |
| 2097 | if (idx == start) { |
| 2098 | return 0; |
| 2099 | } |
| 2100 | |
| 2101 | parsedLen = idx - start; |
| 2102 | return hour * MILLIS_PER_HOUR + min * MILLIS_PER_MINUTE + sec * MILLIS_PER_SECOND; |
| 2103 | } |
| 2104 | |
| 2105 | int32_t |
| 2106 | TimeZoneFormat::parseOffsetFieldWithLocalizedDigits(const UnicodeString& text, int32_t start, uint8_t minDigits, uint8_t maxDigits, uint16_t minVal, uint16_t maxVal, int32_t& parsedLen) const { |
| 2107 | parsedLen = 0; |
| 2108 | |
| 2109 | int32_t decVal = 0; |
| 2110 | int32_t numDigits = 0; |
| 2111 | int32_t idx = start; |
| 2112 | int32_t digitLen = 0; |
| 2113 | |
| 2114 | while (idx < text.length() && numDigits < maxDigits) { |
| 2115 | int32_t digit = parseSingleLocalizedDigit(text, idx, digitLen); |
| 2116 | if (digit < 0) { |
| 2117 | break; |
| 2118 | } |
| 2119 | int32_t tmpVal = decVal * 10 + digit; |
| 2120 | if (tmpVal > maxVal) { |
| 2121 | break; |
| 2122 | } |
| 2123 | decVal = tmpVal; |
| 2124 | numDigits++; |
| 2125 | idx += digitLen; |
| 2126 | } |
| 2127 | |
| 2128 | // Note: maxVal is checked in the while loop |
| 2129 | if (numDigits < minDigits || decVal < minVal) { |
| 2130 | decVal = -1; |
| 2131 | numDigits = 0; |
Value stored to 'numDigits' is never read | |
| 2132 | } else { |
| 2133 | parsedLen = idx - start; |
| 2134 | } |
| 2135 | |
| 2136 | return decVal; |
| 2137 | } |
| 2138 | |
| 2139 | int32_t |
| 2140 | TimeZoneFormat::parseSingleLocalizedDigit(const UnicodeString& text, int32_t start, int32_t& len) const { |
| 2141 | int32_t digit = -1; |
| 2142 | len = 0; |
| 2143 | if (start < text.length()) { |
| 2144 | UChar32 cp = text.char32At(start); |
| 2145 | |
| 2146 | // First, try digits configured for this instance |
| 2147 | for (int32_t i = 0; i < 10; i++) { |
| 2148 | if (cp == fGMTOffsetDigits[i]) { |
| 2149 | digit = i; |
| 2150 | break; |
| 2151 | } |
| 2152 | } |
| 2153 | // If failed, check if this is a Unicode digit |
| 2154 | if (digit < 0) { |
| 2155 | int32_t tmp = u_charDigitValueu_charDigitValue_71(cp); |
| 2156 | digit = (tmp >= 0 && tmp <= 9) ? tmp : -1; |
| 2157 | } |
| 2158 | |
| 2159 | if (digit >= 0) { |
| 2160 | int32_t next = text.moveIndex32(start, 1); |
| 2161 | len = next - start; |
| 2162 | } |
| 2163 | } |
| 2164 | return digit; |
| 2165 | } |
| 2166 | |
| 2167 | UnicodeString& |
| 2168 | TimeZoneFormat::formatOffsetWithAsciiDigits(int32_t offset, UChar sep, OffsetFields minFields, OffsetFields maxFields, UnicodeString& result) { |
| 2169 | U_ASSERT(maxFields >= minFields)(void)0; |
| 2170 | U_ASSERT(offset > -MAX_OFFSET && offset < MAX_OFFSET)(void)0; |
| 2171 | |
| 2172 | UChar sign = PLUS; |
| 2173 | if (offset < 0) { |
| 2174 | sign = MINUS; |
| 2175 | offset = -offset; |
| 2176 | } |
| 2177 | result.setTo(sign); |
| 2178 | |
| 2179 | int fields[3]; |
| 2180 | fields[0] = offset / MILLIS_PER_HOUR; |
| 2181 | offset = offset % MILLIS_PER_HOUR; |
| 2182 | fields[1] = offset / MILLIS_PER_MINUTE; |
| 2183 | offset = offset % MILLIS_PER_MINUTE; |
| 2184 | fields[2] = offset / MILLIS_PER_SECOND; |
| 2185 | |
| 2186 | U_ASSERT(fields[0] >= 0 && fields[0] <= MAX_OFFSET_HOUR)(void)0; |
| 2187 | U_ASSERT(fields[1] >= 0 && fields[1] <= MAX_OFFSET_MINUTE)(void)0; |
| 2188 | U_ASSERT(fields[2] >= 0 && fields[2] <= MAX_OFFSET_SECOND)(void)0; |
| 2189 | |
| 2190 | int32_t lastIdx = maxFields; |
| 2191 | while (lastIdx > minFields) { |
| 2192 | if (fields[lastIdx] != 0) { |
| 2193 | break; |
| 2194 | } |
| 2195 | lastIdx--; |
| 2196 | } |
| 2197 | |
| 2198 | for (int32_t idx = 0; idx <= lastIdx; idx++) { |
| 2199 | if (sep && idx != 0) { |
| 2200 | result.append(sep); |
| 2201 | } |
| 2202 | result.append((UChar)(0x0030 + fields[idx]/10)); |
| 2203 | result.append((UChar)(0x0030 + fields[idx]%10)); |
| 2204 | } |
| 2205 | |
| 2206 | return result; |
| 2207 | } |
| 2208 | |
| 2209 | int32_t |
| 2210 | TimeZoneFormat::parseAbuttingAsciiOffsetFields(const UnicodeString& text, ParsePosition& pos, OffsetFields minFields, OffsetFields maxFields, UBool fixedHourWidth) { |
| 2211 | int32_t start = pos.getIndex(); |
| 2212 | |
| 2213 | int32_t minDigits = 2 * (minFields + 1) - (fixedHourWidth ? 0 : 1); |
| 2214 | int32_t maxDigits = 2 * (maxFields + 1); |
| 2215 | |
| 2216 | U_ASSERT(maxDigits <= MAX_OFFSET_DIGITS)(void)0; |
| 2217 | |
| 2218 | int32_t digits[MAX_OFFSET_DIGITS6] = {}; |
| 2219 | int32_t numDigits = 0; |
| 2220 | int32_t idx = start; |
| 2221 | while (numDigits < maxDigits && idx < text.length()) { |
| 2222 | UChar uch = text.charAt(idx); |
| 2223 | int32_t digit = DIGIT_VAL(uch)(0x0030 <= (uch) && (uch) <= 0x0039 ? (uch) - 0x0030 : -1); |
| 2224 | if (digit < 0) { |
| 2225 | break; |
| 2226 | } |
| 2227 | digits[numDigits] = digit; |
| 2228 | numDigits++; |
| 2229 | idx++; |
| 2230 | } |
| 2231 | |
| 2232 | if (fixedHourWidth && (numDigits & 1)) { |
| 2233 | // Fixed digits, so the number of digits must be even number. Truncating. |
| 2234 | numDigits--; |
| 2235 | } |
| 2236 | |
| 2237 | if (numDigits < minDigits) { |
| 2238 | pos.setErrorIndex(start); |
| 2239 | return 0; |
| 2240 | } |
| 2241 | |
| 2242 | int32_t hour = 0, min = 0, sec = 0; |
| 2243 | UBool bParsed = FALSE0; |
| 2244 | while (numDigits >= minDigits) { |
| 2245 | switch (numDigits) { |
| 2246 | case 1: //H |
| 2247 | hour = digits[0]; |
| 2248 | break; |
| 2249 | case 2: //HH |
| 2250 | hour = digits[0] * 10 + digits[1]; |
| 2251 | break; |
| 2252 | case 3: //Hmm |
| 2253 | hour = digits[0]; |
| 2254 | min = digits[1] * 10 + digits[2]; |
| 2255 | break; |
| 2256 | case 4: //HHmm |
| 2257 | hour = digits[0] * 10 + digits[1]; |
| 2258 | min = digits[2] * 10 + digits[3]; |
| 2259 | break; |
| 2260 | case 5: //Hmmss |
| 2261 | hour = digits[0]; |
| 2262 | min = digits[1] * 10 + digits[2]; |
| 2263 | sec = digits[3] * 10 + digits[4]; |
| 2264 | break; |
| 2265 | case 6: //HHmmss |
| 2266 | hour = digits[0] * 10 + digits[1]; |
| 2267 | min = digits[2] * 10 + digits[3]; |
| 2268 | sec = digits[4] * 10 + digits[5]; |
| 2269 | break; |
| 2270 | } |
| 2271 | |
| 2272 | if (hour <= MAX_OFFSET_HOUR && min <= MAX_OFFSET_MINUTE && sec <= MAX_OFFSET_SECOND) { |
| 2273 | // Successfully parsed |
| 2274 | bParsed = true; |
| 2275 | break; |
| 2276 | } |
| 2277 | |
| 2278 | // Truncating |
| 2279 | numDigits -= (fixedHourWidth ? 2 : 1); |
| 2280 | hour = min = sec = 0; |
| 2281 | } |
| 2282 | |
| 2283 | if (!bParsed) { |
| 2284 | pos.setErrorIndex(start); |
| 2285 | return 0; |
| 2286 | } |
| 2287 | pos.setIndex(start + numDigits); |
| 2288 | return ((((hour * 60) + min) * 60) + sec) * 1000; |
| 2289 | } |
| 2290 | |
| 2291 | int32_t |
| 2292 | TimeZoneFormat::parseAsciiOffsetFields(const UnicodeString& text, ParsePosition& pos, UChar sep, OffsetFields minFields, OffsetFields maxFields) { |
| 2293 | int32_t start = pos.getIndex(); |
| 2294 | int32_t fieldVal[] = {0, 0, 0}; |
| 2295 | int32_t fieldLen[] = {0, -1, -1}; |
| 2296 | for (int32_t idx = start, fieldIdx = 0; idx < text.length() && fieldIdx <= maxFields; idx++) { |
| 2297 | UChar c = text.charAt(idx); |
| 2298 | if (c == sep) { |
| 2299 | if (fieldIdx == 0) { |
| 2300 | if (fieldLen[0] == 0) { |
| 2301 | // no hours field |
| 2302 | break; |
| 2303 | } |
| 2304 | // 1 digit hour, move to next field |
| 2305 | } else { |
| 2306 | if (fieldLen[fieldIdx] != -1) { |
| 2307 | // premature minute or seconds field |
| 2308 | break; |
| 2309 | } |
| 2310 | fieldLen[fieldIdx] = 0; |
| 2311 | } |
| 2312 | continue; |
| 2313 | } else if (fieldLen[fieldIdx] == -1) { |
| 2314 | // no separator after 2 digit field |
| 2315 | break; |
| 2316 | } |
| 2317 | int32_t digit = DIGIT_VAL(c)(0x0030 <= (c) && (c) <= 0x0039 ? (c) - 0x0030 : -1); |
| 2318 | if (digit < 0) { |
| 2319 | // not a digit |
| 2320 | break; |
| 2321 | } |
| 2322 | fieldVal[fieldIdx] = fieldVal[fieldIdx] * 10 + digit; |
| 2323 | fieldLen[fieldIdx]++; |
| 2324 | if (fieldLen[fieldIdx] >= 2) { |
| 2325 | // parsed 2 digits, move to next field |
| 2326 | fieldIdx++; |
| 2327 | } |
| 2328 | } |
| 2329 | |
| 2330 | int32_t offset = 0; |
| 2331 | int32_t parsedLen = 0; |
| 2332 | int32_t parsedFields = -1; |
| 2333 | do { |
| 2334 | // hour |
| 2335 | if (fieldLen[0] == 0) { |
| 2336 | break; |
| 2337 | } |
| 2338 | if (fieldVal[0] > MAX_OFFSET_HOUR) { |
| 2339 | offset = (fieldVal[0] / 10) * MILLIS_PER_HOUR; |
| 2340 | parsedFields = FIELDS_H; |
| 2341 | parsedLen = 1; |
| 2342 | break; |
| 2343 | } |
| 2344 | offset = fieldVal[0] * MILLIS_PER_HOUR; |
| 2345 | parsedLen = fieldLen[0]; |
| 2346 | parsedFields = FIELDS_H; |
| 2347 | |
| 2348 | // minute |
| 2349 | if (fieldLen[1] != 2 || fieldVal[1] > MAX_OFFSET_MINUTE) { |
| 2350 | break; |
| 2351 | } |
| 2352 | offset += fieldVal[1] * MILLIS_PER_MINUTE; |
| 2353 | parsedLen += (1 + fieldLen[1]); |
| 2354 | parsedFields = FIELDS_HM; |
| 2355 | |
| 2356 | // second |
| 2357 | if (fieldLen[2] != 2 || fieldVal[2] > MAX_OFFSET_SECOND) { |
| 2358 | break; |
| 2359 | } |
| 2360 | offset += fieldVal[2] * MILLIS_PER_SECOND; |
| 2361 | parsedLen += (1 + fieldLen[2]); |
| 2362 | parsedFields = FIELDS_HMS; |
| 2363 | } while (false); |
| 2364 | |
| 2365 | if (parsedFields < minFields) { |
| 2366 | pos.setErrorIndex(start); |
| 2367 | return 0; |
| 2368 | } |
| 2369 | |
| 2370 | pos.setIndex(start + parsedLen); |
| 2371 | return offset; |
| 2372 | } |
| 2373 | |
| 2374 | void |
| 2375 | TimeZoneFormat::appendOffsetDigits(UnicodeString& buf, int32_t n, uint8_t minDigits) const { |
| 2376 | U_ASSERT(n >= 0 && n < 60)(void)0; |
| 2377 | int32_t numDigits = n >= 10 ? 2 : 1; |
| 2378 | for (int32_t i = 0; i < minDigits - numDigits; i++) { |
| 2379 | buf.append(fGMTOffsetDigits[0]); |
| 2380 | } |
| 2381 | if (numDigits == 2) { |
| 2382 | buf.append(fGMTOffsetDigits[n / 10]); |
| 2383 | } |
| 2384 | buf.append(fGMTOffsetDigits[n % 10]); |
| 2385 | } |
| 2386 | |
| 2387 | // ------------------------------------------------------------------ |
| 2388 | // Private misc |
| 2389 | void |
| 2390 | TimeZoneFormat::initGMTPattern(const UnicodeString& gmtPattern, UErrorCode& status) { |
| 2391 | if (U_FAILURE(status)) { |
| 2392 | return; |
| 2393 | } |
| 2394 | // This implementation not perfect, but sufficient practically. |
| 2395 | int32_t idx = gmtPattern.indexOf(ARG0, ARG0_LEN, 0); |
| 2396 | if (idx < 0) { |
| 2397 | status = U_ILLEGAL_ARGUMENT_ERROR; |
| 2398 | return; |
| 2399 | } |
| 2400 | fGMTPattern.setTo(gmtPattern); |
| 2401 | unquote(gmtPattern.tempSubString(0, idx), fGMTPatternPrefix); |
| 2402 | unquote(gmtPattern.tempSubString(idx + ARG0_LEN), fGMTPatternSuffix); |
| 2403 | } |
| 2404 | |
| 2405 | UnicodeString& |
| 2406 | TimeZoneFormat::unquote(const UnicodeString& pattern, UnicodeString& result) { |
| 2407 | if (pattern.indexOf(SINGLEQUOTE) < 0) { |
| 2408 | result.setTo(pattern); |
| 2409 | return result; |
| 2410 | } |
| 2411 | result.remove(); |
| 2412 | UBool isPrevQuote = FALSE0; |
| 2413 | UBool inQuote = FALSE0; |
| 2414 | for (int32_t i = 0; i < pattern.length(); i++) { |
| 2415 | UChar c = pattern.charAt(i); |
| 2416 | if (c == SINGLEQUOTE) { |
| 2417 | if (isPrevQuote) { |
| 2418 | result.append(c); |
| 2419 | isPrevQuote = FALSE0; |
| 2420 | } else { |
| 2421 | isPrevQuote = TRUE1; |
| 2422 | } |
| 2423 | inQuote = !inQuote; |
| 2424 | } else { |
| 2425 | isPrevQuote = FALSE0; |
| 2426 | result.append(c); |
| 2427 | } |
| 2428 | } |
| 2429 | return result; |
| 2430 | } |
| 2431 | |
| 2432 | UVector* |
| 2433 | TimeZoneFormat::parseOffsetPattern(const UnicodeString& pattern, OffsetFields required, UErrorCode& status) { |
| 2434 | if (U_FAILURE(status)) { |
| 2435 | return NULL__null; |
| 2436 | } |
| 2437 | UVector* result = new UVector(deleteGMTOffsetField, NULL__null, status); |
| 2438 | if (result == NULL__null) { |
| 2439 | status = U_MEMORY_ALLOCATION_ERROR; |
| 2440 | return NULL__null; |
| 2441 | } |
| 2442 | |
| 2443 | int32_t checkBits = 0; |
| 2444 | UBool isPrevQuote = FALSE0; |
| 2445 | UBool inQuote = FALSE0; |
| 2446 | UChar textBuf[32]; |
| 2447 | UnicodeString text(textBuf, 0, UPRV_LENGTHOF(textBuf)(int32_t)(sizeof(textBuf)/sizeof((textBuf)[0]))); |
| 2448 | GMTOffsetField::FieldType itemType = GMTOffsetField::TEXT; |
| 2449 | int32_t itemLength = 1; |
| 2450 | |
| 2451 | for (int32_t i = 0; i < pattern.length(); i++) { |
| 2452 | UChar ch = pattern.charAt(i); |
| 2453 | if (ch == SINGLEQUOTE) { |
| 2454 | if (isPrevQuote) { |
| 2455 | text.append(SINGLEQUOTE); |
| 2456 | isPrevQuote = FALSE0; |
| 2457 | } else { |
| 2458 | isPrevQuote = TRUE1; |
| 2459 | if (itemType != GMTOffsetField::TEXT) { |
| 2460 | if (GMTOffsetField::isValid(itemType, itemLength)) { |
| 2461 | GMTOffsetField* fld = GMTOffsetField::createTimeField(itemType, static_cast<uint8_t>(itemLength), status); |
| 2462 | result->adoptElement(fld, status); |
| 2463 | if (U_FAILURE(status)) { |
| 2464 | break; |
| 2465 | } |
| 2466 | } else { |
| 2467 | status = U_ILLEGAL_ARGUMENT_ERROR; |
| 2468 | break; |
| 2469 | } |
| 2470 | itemType = GMTOffsetField::TEXT; |
| 2471 | } |
| 2472 | } |
| 2473 | inQuote = !inQuote; |
| 2474 | } else { |
| 2475 | isPrevQuote = FALSE0; |
| 2476 | if (inQuote) { |
| 2477 | text.append(ch); |
| 2478 | } else { |
| 2479 | GMTOffsetField::FieldType tmpType = GMTOffsetField::getTypeByLetter(ch); |
| 2480 | if (tmpType != GMTOffsetField::TEXT) { |
| 2481 | // an offset time pattern character |
| 2482 | if (tmpType == itemType) { |
| 2483 | itemLength++; |
| 2484 | } else { |
| 2485 | if (itemType == GMTOffsetField::TEXT) { |
| 2486 | if (text.length() > 0) { |
| 2487 | GMTOffsetField* textfld = GMTOffsetField::createText(text, status); |
| 2488 | result->adoptElement(textfld, status); |
| 2489 | if (U_FAILURE(status)) { |
| 2490 | break; |
| 2491 | } |
| 2492 | text.remove(); |
| 2493 | } |
| 2494 | } else { |
| 2495 | if (GMTOffsetField::isValid(itemType, itemLength)) { |
| 2496 | GMTOffsetField* fld = GMTOffsetField::createTimeField(itemType, static_cast<uint8_t>(itemLength), status); |
| 2497 | result->adoptElement(fld, status); |
| 2498 | if (U_FAILURE(status)) { |
| 2499 | break; |
| 2500 | } |
| 2501 | } else { |
| 2502 | status = U_ILLEGAL_ARGUMENT_ERROR; |
| 2503 | break; |
| 2504 | } |
| 2505 | } |
| 2506 | itemType = tmpType; |
| 2507 | itemLength = 1; |
| 2508 | checkBits |= tmpType; |
| 2509 | } |
| 2510 | } else { |
| 2511 | // a string literal |
| 2512 | if (itemType != GMTOffsetField::TEXT) { |
| 2513 | if (GMTOffsetField::isValid(itemType, itemLength)) { |
| 2514 | GMTOffsetField* fld = GMTOffsetField::createTimeField(itemType, static_cast<uint8_t>(itemLength), status); |
| 2515 | result->adoptElement(fld, status); |
| 2516 | if (U_FAILURE(status)) { |
| 2517 | break; |
| 2518 | } |
| 2519 | } else { |
| 2520 | status = U_ILLEGAL_ARGUMENT_ERROR; |
| 2521 | break; |
| 2522 | } |
| 2523 | itemType = GMTOffsetField::TEXT; |
| 2524 | } |
| 2525 | text.append(ch); |
| 2526 | } |
| 2527 | } |
| 2528 | } |
| 2529 | } |
| 2530 | // handle last item |
| 2531 | if (U_SUCCESS(status)) { |
| 2532 | if (itemType == GMTOffsetField::TEXT) { |
| 2533 | if (text.length() > 0) { |
| 2534 | GMTOffsetField* tfld = GMTOffsetField::createText(text, status); |
| 2535 | result->adoptElement(tfld, status); |
| 2536 | } |
| 2537 | } else { |
| 2538 | if (GMTOffsetField::isValid(itemType, itemLength)) { |
| 2539 | GMTOffsetField* fld = GMTOffsetField::createTimeField(itemType, static_cast<uint8_t>(itemLength), status); |
| 2540 | result->adoptElement(fld, status); |
| 2541 | } else { |
| 2542 | status = U_ILLEGAL_ARGUMENT_ERROR; |
| 2543 | } |
| 2544 | } |
| 2545 | |
| 2546 | // Check all required fields are set |
| 2547 | if (U_SUCCESS(status)) { |
| 2548 | int32_t reqBits = 0; |
| 2549 | switch (required) { |
| 2550 | case FIELDS_H: |
| 2551 | reqBits = GMTOffsetField::HOUR; |
| 2552 | break; |
| 2553 | case FIELDS_HM: |
| 2554 | reqBits = GMTOffsetField::HOUR | GMTOffsetField::MINUTE; |
| 2555 | break; |
| 2556 | case FIELDS_HMS: |
| 2557 | reqBits = GMTOffsetField::HOUR | GMTOffsetField::MINUTE | GMTOffsetField::SECOND; |
| 2558 | break; |
| 2559 | } |
| 2560 | if (checkBits == reqBits) { |
| 2561 | // all required fields are set, no extra fields |
| 2562 | return result; |
| 2563 | } |
| 2564 | } |
| 2565 | } |
| 2566 | |
| 2567 | // error |
| 2568 | delete result; |
| 2569 | return NULL__null; |
| 2570 | } |
| 2571 | |
| 2572 | UnicodeString& |
| 2573 | TimeZoneFormat::expandOffsetPattern(const UnicodeString& offsetHM, UnicodeString& result, UErrorCode& status) { |
| 2574 | result.setToBogus(); |
| 2575 | if (U_FAILURE(status)) { |
| 2576 | return result; |
| 2577 | } |
| 2578 | U_ASSERT(u_strlen(DEFAULT_GMT_OFFSET_MINUTE_PATTERN) == 2)(void)0; |
| 2579 | |
| 2580 | int32_t idx_mm = offsetHM.indexOf(DEFAULT_GMT_OFFSET_MINUTE_PATTERN, 2, 0); |
| 2581 | if (idx_mm < 0) { |
| 2582 | // Bad time zone hour pattern data |
| 2583 | status = U_ILLEGAL_ARGUMENT_ERROR; |
| 2584 | return result; |
| 2585 | } |
| 2586 | |
| 2587 | UnicodeString sep; |
| 2588 | int32_t idx_H = offsetHM.tempSubString(0, idx_mm).lastIndexOf((UChar)0x0048 /* H */); |
| 2589 | if (idx_H >= 0) { |
| 2590 | sep = offsetHM.tempSubString(idx_H + 1, idx_mm - (idx_H + 1)); |
| 2591 | } |
| 2592 | result.setTo(offsetHM.tempSubString(0, idx_mm + 2)); |
| 2593 | result.append(sep); |
| 2594 | result.append(DEFAULT_GMT_OFFSET_SECOND_PATTERN, -1); |
| 2595 | result.append(offsetHM.tempSubString(idx_mm + 2)); |
| 2596 | return result; |
| 2597 | } |
| 2598 | |
| 2599 | UnicodeString& |
| 2600 | TimeZoneFormat::truncateOffsetPattern(const UnicodeString& offsetHM, UnicodeString& result, UErrorCode& status) { |
| 2601 | result.setToBogus(); |
| 2602 | if (U_FAILURE(status)) { |
| 2603 | return result; |
| 2604 | } |
| 2605 | U_ASSERT(u_strlen(DEFAULT_GMT_OFFSET_MINUTE_PATTERN) == 2)(void)0; |
| 2606 | |
| 2607 | int32_t idx_mm = offsetHM.indexOf(DEFAULT_GMT_OFFSET_MINUTE_PATTERN, 2, 0); |
| 2608 | if (idx_mm < 0) { |
| 2609 | // Bad time zone hour pattern data |
| 2610 | status = U_ILLEGAL_ARGUMENT_ERROR; |
| 2611 | return result; |
| 2612 | } |
| 2613 | UChar HH[] = {0x0048, 0x0048}; |
| 2614 | int32_t idx_HH = offsetHM.tempSubString(0, idx_mm).lastIndexOf(HH, 2, 0); |
| 2615 | if (idx_HH >= 0) { |
| 2616 | return result.setTo(offsetHM.tempSubString(0, idx_HH + 2)); |
| 2617 | } |
| 2618 | int32_t idx_H = offsetHM.tempSubString(0, idx_mm).lastIndexOf((UChar)0x0048, 0); |
| 2619 | if (idx_H >= 0) { |
| 2620 | return result.setTo(offsetHM.tempSubString(0, idx_H + 1)); |
| 2621 | } |
| 2622 | // Bad time zone hour pattern data |
| 2623 | status = U_ILLEGAL_ARGUMENT_ERROR; |
| 2624 | return result; |
| 2625 | } |
| 2626 | |
| 2627 | void |
| 2628 | TimeZoneFormat::initGMTOffsetPatterns(UErrorCode& status) { |
| 2629 | for (int32_t type = 0; type < UTZFMT_PAT_COUNT; type++) { |
| 2630 | switch (type) { |
| 2631 | case UTZFMT_PAT_POSITIVE_H: |
| 2632 | case UTZFMT_PAT_NEGATIVE_H: |
| 2633 | fGMTOffsetPatternItems[type] = parseOffsetPattern(fGMTOffsetPatterns[type], FIELDS_H, status); |
| 2634 | break; |
| 2635 | case UTZFMT_PAT_POSITIVE_HM: |
| 2636 | case UTZFMT_PAT_NEGATIVE_HM: |
| 2637 | fGMTOffsetPatternItems[type] = parseOffsetPattern(fGMTOffsetPatterns[type], FIELDS_HM, status); |
| 2638 | break; |
| 2639 | case UTZFMT_PAT_POSITIVE_HMS: |
| 2640 | case UTZFMT_PAT_NEGATIVE_HMS: |
| 2641 | fGMTOffsetPatternItems[type] = parseOffsetPattern(fGMTOffsetPatterns[type], FIELDS_HMS, status); |
| 2642 | break; |
| 2643 | } |
| 2644 | } |
| 2645 | checkAbuttingHoursAndMinutes(); |
| 2646 | } |
| 2647 | |
| 2648 | void |
| 2649 | TimeZoneFormat::checkAbuttingHoursAndMinutes() { |
| 2650 | fAbuttingOffsetHoursAndMinutes= FALSE0; |
| 2651 | for (int32_t type = 0; type < UTZFMT_PAT_COUNT; type++) { |
| 2652 | UBool afterH = FALSE0; |
| 2653 | UVector *items = fGMTOffsetPatternItems[type]; |
| 2654 | for (int32_t i = 0; i < items->size(); i++) { |
| 2655 | const GMTOffsetField* item = (GMTOffsetField*)items->elementAt(i); |
| 2656 | GMTOffsetField::FieldType fieldType = item->getType(); |
| 2657 | if (fieldType != GMTOffsetField::TEXT) { |
| 2658 | if (afterH) { |
| 2659 | fAbuttingOffsetHoursAndMinutes = TRUE1; |
| 2660 | break; |
| 2661 | } else if (fieldType == GMTOffsetField::HOUR) { |
| 2662 | afterH = TRUE1; |
| 2663 | } |
| 2664 | } else if (afterH) { |
| 2665 | break; |
| 2666 | } |
| 2667 | } |
| 2668 | if (fAbuttingOffsetHoursAndMinutes) { |
| 2669 | break; |
| 2670 | } |
| 2671 | } |
| 2672 | } |
| 2673 | |
| 2674 | UBool |
| 2675 | TimeZoneFormat::toCodePoints(const UnicodeString& str, UChar32* codeArray, int32_t size) { |
| 2676 | int32_t count = str.countChar32(); |
| 2677 | if (count != size) { |
| 2678 | return FALSE0; |
| 2679 | } |
| 2680 | |
| 2681 | for (int32_t idx = 0, start = 0; idx < size; idx++) { |
| 2682 | codeArray[idx] = str.char32At(start); |
| 2683 | start = str.moveIndex32(start, 1); |
| 2684 | } |
| 2685 | |
| 2686 | return TRUE1; |
| 2687 | } |
| 2688 | |
| 2689 | TimeZone* |
| 2690 | TimeZoneFormat::createTimeZoneForOffset(int32_t offset) const { |
| 2691 | if (offset == 0) { |
| 2692 | // when offset is 0, we should use "Etc/GMT" |
| 2693 | return TimeZone::createTimeZone(UnicodeString(TRUE1, TZID_GMT, -1)); |
| 2694 | } |
| 2695 | return ZoneMeta::createCustomTimeZone(offset); |
| 2696 | } |
| 2697 | |
| 2698 | UTimeZoneFormatTimeType |
| 2699 | TimeZoneFormat::getTimeType(UTimeZoneNameType nameType) { |
| 2700 | switch (nameType) { |
| 2701 | case UTZNM_LONG_STANDARD: |
| 2702 | case UTZNM_SHORT_STANDARD: |
| 2703 | return UTZFMT_TIME_TYPE_STANDARD; |
| 2704 | |
| 2705 | case UTZNM_LONG_DAYLIGHT: |
| 2706 | case UTZNM_SHORT_DAYLIGHT: |
| 2707 | return UTZFMT_TIME_TYPE_DAYLIGHT; |
| 2708 | |
| 2709 | default: |
| 2710 | return UTZFMT_TIME_TYPE_UNKNOWN; |
| 2711 | } |
| 2712 | } |
| 2713 | |
| 2714 | UnicodeString& |
| 2715 | TimeZoneFormat::getTimeZoneID(const TimeZoneNames::MatchInfoCollection* matches, int32_t idx, UnicodeString& tzID) const { |
| 2716 | if (!matches->getTimeZoneIDAt(idx, tzID)) { |
| 2717 | UChar mzIDBuf[32]; |
| 2718 | UnicodeString mzID(mzIDBuf, 0, UPRV_LENGTHOF(mzIDBuf)(int32_t)(sizeof(mzIDBuf)/sizeof((mzIDBuf)[0]))); |
| 2719 | if (matches->getMetaZoneIDAt(idx, mzID)) { |
| 2720 | fTimeZoneNames->getReferenceZoneID(mzID, fTargetRegion, tzID); |
| 2721 | } |
| 2722 | } |
| 2723 | return tzID; |
| 2724 | } |
| 2725 | |
| 2726 | |
| 2727 | class ZoneIdMatchHandler : public TextTrieMapSearchResultHandler { |
| 2728 | public: |
| 2729 | ZoneIdMatchHandler(); |
| 2730 | virtual ~ZoneIdMatchHandler(); |
| 2731 | |
| 2732 | UBool handleMatch(int32_t matchLength, const CharacterNode *node, UErrorCode &status) override; |
| 2733 | const UChar* getID(); |
| 2734 | int32_t getMatchLen(); |
| 2735 | private: |
| 2736 | int32_t fLen; |
| 2737 | const UChar* fID; |
| 2738 | }; |
| 2739 | |
| 2740 | ZoneIdMatchHandler::ZoneIdMatchHandler() |
| 2741 | : fLen(0), fID(NULL__null) { |
| 2742 | } |
| 2743 | |
| 2744 | ZoneIdMatchHandler::~ZoneIdMatchHandler() { |
| 2745 | } |
| 2746 | |
| 2747 | UBool |
| 2748 | ZoneIdMatchHandler::handleMatch(int32_t matchLength, const CharacterNode *node, UErrorCode &status) { |
| 2749 | if (U_FAILURE(status)) { |
| 2750 | return FALSE0; |
| 2751 | } |
| 2752 | if (node->hasValues()) { |
| 2753 | const UChar* id = (const UChar*)node->getValue(0); |
| 2754 | if (id != NULL__null) { |
| 2755 | if (fLen < matchLength) { |
| 2756 | fID = id; |
| 2757 | fLen = matchLength; |
| 2758 | } |
| 2759 | } |
| 2760 | } |
| 2761 | return TRUE1; |
| 2762 | } |
| 2763 | |
| 2764 | const UChar* |
| 2765 | ZoneIdMatchHandler::getID() { |
| 2766 | return fID; |
| 2767 | } |
| 2768 | |
| 2769 | int32_t |
| 2770 | ZoneIdMatchHandler::getMatchLen() { |
| 2771 | return fLen; |
| 2772 | } |
| 2773 | |
| 2774 | |
| 2775 | static void U_CALLCONV initZoneIdTrie(UErrorCode &status) { |
| 2776 | U_ASSERT(gZoneIdTrie == NULL)(void)0; |
| 2777 | ucln_i18n_registerCleanupucln_i18n_registerCleanup_71(UCLN_I18N_TIMEZONEFORMAT, tzfmt_cleanup); |
| 2778 | gZoneIdTrie = new TextTrieMap(TRUE1, NULL__null); // No deleter, because values are pooled by ZoneMeta |
| 2779 | if (gZoneIdTrie == NULL__null) { |
| 2780 | status = U_MEMORY_ALLOCATION_ERROR; |
| 2781 | return; |
| 2782 | } |
| 2783 | StringEnumeration *tzenum = TimeZone::createEnumeration(status); |
| 2784 | if (U_SUCCESS(status)) { |
| 2785 | const UnicodeString *id; |
| 2786 | while ((id = tzenum->snext(status)) != NULL__null) { |
| 2787 | const UChar* uid = ZoneMeta::findTimeZoneID(*id); |
| 2788 | if (uid) { |
| 2789 | gZoneIdTrie->put(uid, const_cast<UChar *>(uid), status); |
| 2790 | } |
| 2791 | } |
| 2792 | delete tzenum; |
| 2793 | } |
| 2794 | } |
| 2795 | |
| 2796 | |
| 2797 | UnicodeString& |
| 2798 | TimeZoneFormat::parseZoneID(const UnicodeString& text, ParsePosition& pos, UnicodeString& tzID) const { |
| 2799 | UErrorCode status = U_ZERO_ERROR; |
| 2800 | umtx_initOnce(gZoneIdTrieInitOnce, &initZoneIdTrie, status); |
| 2801 | |
| 2802 | int32_t start = pos.getIndex(); |
| 2803 | int32_t len = 0; |
| 2804 | tzID.setToBogus(); |
| 2805 | |
| 2806 | if (U_SUCCESS(status)) { |
| 2807 | LocalPointer<ZoneIdMatchHandler> handler(new ZoneIdMatchHandler()); |
| 2808 | gZoneIdTrie->search(text, start, handler.getAlias(), status); |
| 2809 | len = handler->getMatchLen(); |
| 2810 | if (len > 0) { |
| 2811 | tzID.setTo(handler->getID(), -1); |
| 2812 | } |
| 2813 | } |
| 2814 | |
| 2815 | if (len > 0) { |
| 2816 | pos.setIndex(start + len); |
| 2817 | } else { |
| 2818 | pos.setErrorIndex(start); |
| 2819 | } |
| 2820 | |
| 2821 | return tzID; |
| 2822 | } |
| 2823 | |
| 2824 | static void U_CALLCONV initShortZoneIdTrie(UErrorCode &status) { |
| 2825 | U_ASSERT(gShortZoneIdTrie == NULL)(void)0; |
| 2826 | ucln_i18n_registerCleanupucln_i18n_registerCleanup_71(UCLN_I18N_TIMEZONEFORMAT, tzfmt_cleanup); |
| 2827 | StringEnumeration *tzenum = TimeZone::createTimeZoneIDEnumeration(UCAL_ZONE_TYPE_CANONICAL, NULL__null, NULL__null, status); |
| 2828 | if (U_SUCCESS(status)) { |
| 2829 | gShortZoneIdTrie = new TextTrieMap(TRUE1, NULL__null); // No deleter, because values are pooled by ZoneMeta |
| 2830 | if (gShortZoneIdTrie == NULL__null) { |
| 2831 | status = U_MEMORY_ALLOCATION_ERROR; |
| 2832 | } else { |
| 2833 | const UnicodeString *id; |
| 2834 | while ((id = tzenum->snext(status)) != NULL__null) { |
| 2835 | const UChar* uID = ZoneMeta::findTimeZoneID(*id); |
| 2836 | const UChar* shortID = ZoneMeta::getShortID(*id); |
| 2837 | if (shortID && uID) { |
| 2838 | gShortZoneIdTrie->put(shortID, const_cast<UChar *>(uID), status); |
| 2839 | } |
| 2840 | } |
| 2841 | } |
| 2842 | } |
| 2843 | delete tzenum; |
| 2844 | } |
| 2845 | |
| 2846 | |
| 2847 | UnicodeString& |
| 2848 | TimeZoneFormat::parseShortZoneID(const UnicodeString& text, ParsePosition& pos, UnicodeString& tzID) const { |
| 2849 | UErrorCode status = U_ZERO_ERROR; |
| 2850 | umtx_initOnce(gShortZoneIdTrieInitOnce, &initShortZoneIdTrie, status); |
| 2851 | |
| 2852 | int32_t start = pos.getIndex(); |
| 2853 | int32_t len = 0; |
| 2854 | tzID.setToBogus(); |
| 2855 | |
| 2856 | if (U_SUCCESS(status)) { |
| 2857 | LocalPointer<ZoneIdMatchHandler> handler(new ZoneIdMatchHandler()); |
| 2858 | gShortZoneIdTrie->search(text, start, handler.getAlias(), status); |
| 2859 | len = handler->getMatchLen(); |
| 2860 | if (len > 0) { |
| 2861 | tzID.setTo(handler->getID(), -1); |
| 2862 | } |
| 2863 | } |
| 2864 | |
| 2865 | if (len > 0) { |
| 2866 | pos.setIndex(start + len); |
| 2867 | } else { |
| 2868 | pos.setErrorIndex(start); |
| 2869 | } |
| 2870 | |
| 2871 | return tzID; |
| 2872 | } |
| 2873 | |
| 2874 | |
| 2875 | UnicodeString& |
| 2876 | TimeZoneFormat::parseExemplarLocation(const UnicodeString& text, ParsePosition& pos, UnicodeString& tzID) const { |
| 2877 | int32_t startIdx = pos.getIndex(); |
| 2878 | int32_t parsedPos = -1; |
| 2879 | tzID.setToBogus(); |
| 2880 | |
| 2881 | UErrorCode status = U_ZERO_ERROR; |
| 2882 | LocalPointer<TimeZoneNames::MatchInfoCollection> exemplarMatches(fTimeZoneNames->find(text, startIdx, UTZNM_EXEMPLAR_LOCATION, status)); |
| 2883 | if (U_FAILURE(status)) { |
| 2884 | pos.setErrorIndex(startIdx); |
| 2885 | return tzID; |
| 2886 | } |
| 2887 | int32_t matchIdx = -1; |
| 2888 | if (!exemplarMatches.isNull()) { |
| 2889 | for (int32_t i = 0; i < exemplarMatches->size(); i++) { |
| 2890 | if (startIdx + exemplarMatches->getMatchLengthAt(i) > parsedPos) { |
| 2891 | matchIdx = i; |
| 2892 | parsedPos = startIdx + exemplarMatches->getMatchLengthAt(i); |
| 2893 | } |
| 2894 | } |
| 2895 | if (parsedPos > 0) { |
| 2896 | pos.setIndex(parsedPos); |
| 2897 | getTimeZoneID(exemplarMatches.getAlias(), matchIdx, tzID); |
| 2898 | } |
| 2899 | } |
| 2900 | |
| 2901 | if (tzID.length() == 0) { |
| 2902 | pos.setErrorIndex(startIdx); |
| 2903 | } |
| 2904 | |
| 2905 | return tzID; |
| 2906 | } |
| 2907 | |
| 2908 | U_NAMESPACE_END} |
| 2909 | |
| 2910 | #endif |