1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/intl/icu/source/i18n/tzfmt.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,2777 @@
1.4 +/*
1.5 +*******************************************************************************
1.6 +* Copyright (C) 2011-2013, International Business Machines Corporation and
1.7 +* others. All Rights Reserved.
1.8 +*******************************************************************************
1.9 +*/
1.10 +
1.11 +#include "unicode/utypes.h"
1.12 +
1.13 +#if !UCONFIG_NO_FORMATTING
1.14 +
1.15 +#include "unicode/calendar.h"
1.16 +#include "unicode/tzfmt.h"
1.17 +#include "unicode/numsys.h"
1.18 +#include "unicode/uchar.h"
1.19 +#include "unicode/udat.h"
1.20 +#include "tzgnames.h"
1.21 +#include "cmemory.h"
1.22 +#include "cstring.h"
1.23 +#include "putilimp.h"
1.24 +#include "uassert.h"
1.25 +#include "ucln_in.h"
1.26 +#include "umutex.h"
1.27 +#include "uresimp.h"
1.28 +#include "ureslocs.h"
1.29 +#include "uvector.h"
1.30 +#include "zonemeta.h"
1.31 +#include "tznames_impl.h" // TextTrieMap
1.32 +
1.33 +U_NAMESPACE_BEGIN
1.34 +
1.35 +// Bit flags used by the parse method.
1.36 +// The order must match UTimeZoneFormatStyle enum.
1.37 +#define ISO_Z_STYLE_FLAG 0x0080
1.38 +#define ISO_LOCAL_STYLE_FLAG 0x0100
1.39 +static const int16_t STYLE_PARSE_FLAGS[] = {
1.40 + 0x0001, // UTZFMT_STYLE_GENERIC_LOCATION,
1.41 + 0x0002, // UTZFMT_STYLE_GENERIC_LONG,
1.42 + 0x0004, // UTZFMT_STYLE_GENERIC_SHORT,
1.43 + 0x0008, // UTZFMT_STYLE_SPECIFIC_LONG,
1.44 + 0x0010, // UTZFMT_STYLE_SPECIFIC_SHORT,
1.45 + 0x0020, // UTZFMT_STYLE_LOCALIZED_GMT,
1.46 + 0x0040, // UTZFMT_STYLE_LOCALIZED_GMT_SHORT,
1.47 + ISO_Z_STYLE_FLAG, // UTZFMT_STYLE_ISO_BASIC_SHORT,
1.48 + ISO_LOCAL_STYLE_FLAG, // UTZFMT_STYLE_ISO_BASIC_LOCAL_SHORT,
1.49 + ISO_Z_STYLE_FLAG, // UTZFMT_STYLE_ISO_BASIC_FIXED,
1.50 + ISO_LOCAL_STYLE_FLAG, // UTZFMT_STYLE_ISO_BASIC_LOCAL_FIXED,
1.51 + ISO_Z_STYLE_FLAG, // UTZFMT_STYLE_ISO_BASIC_FULL,
1.52 + ISO_LOCAL_STYLE_FLAG, // UTZFMT_STYLE_ISO_BASIC_LOCAL_FULL,
1.53 + ISO_Z_STYLE_FLAG, // UTZFMT_STYLE_ISO_EXTENDED_FIXED,
1.54 + ISO_LOCAL_STYLE_FLAG, // UTZFMT_STYLE_ISO_EXTENDED_LOCAL_FIXED,
1.55 + ISO_Z_STYLE_FLAG, // UTZFMT_STYLE_ISO_EXTENDED_FULL,
1.56 + ISO_LOCAL_STYLE_FLAG, // UTZFMT_STYLE_ISO_EXTENDED_LOCAL_FULL,
1.57 + 0x0200, // UTZFMT_STYLE_ZONE_ID,
1.58 + 0x0400, // UTZFMT_STYLE_ZONE_ID_SHORT,
1.59 + 0x0800 // UTZFMT_STYLE_EXEMPLAR_LOCATION
1.60 +};
1.61 +
1.62 +static const char gZoneStringsTag[] = "zoneStrings";
1.63 +static const char gGmtFormatTag[]= "gmtFormat";
1.64 +static const char gGmtZeroFormatTag[] = "gmtZeroFormat";
1.65 +static const char gHourFormatTag[]= "hourFormat";
1.66 +
1.67 +static const UChar TZID_GMT[] = {0x0045, 0x0074, 0x0063, 0x002F, 0x0047, 0x004D, 0x0054, 0}; // Etc/GMT
1.68 +static const UChar UNKNOWN_ZONE_ID[] = {
1.69 + 0x0045, 0x0074, 0x0063, 0x002F, 0x0055, 0x006E, 0x006B, 0x006E, 0x006F, 0x0077, 0x006E, 0}; // Etc/Unknown
1.70 +static const UChar UNKNOWN_SHORT_ZONE_ID[] = {0x0075, 0x006E, 0x006B, 0}; // unk
1.71 +static const UChar UNKNOWN_LOCATION[] = {0x0055, 0x006E, 0x006B, 0x006E, 0x006F, 0x0077, 0x006E, 0}; // Unknown
1.72 +
1.73 +static const UChar DEFAULT_GMT_PATTERN[] = {0x0047, 0x004D, 0x0054, 0x007B, 0x0030, 0x007D, 0}; // GMT{0}
1.74 +//static const UChar DEFAULT_GMT_ZERO[] = {0x0047, 0x004D, 0x0054, 0}; // GMT
1.75 +static const UChar DEFAULT_GMT_POSITIVE_HM[] = {0x002B, 0x0048, 0x003A, 0x006D, 0x006D, 0}; // +H:mm
1.76 +static const UChar DEFAULT_GMT_POSITIVE_HMS[] = {0x002B, 0x0048, 0x003A, 0x006D, 0x006D, 0x003A, 0x0073, 0x0073, 0}; // +H:mm:ss
1.77 +static const UChar DEFAULT_GMT_NEGATIVE_HM[] = {0x002D, 0x0048, 0x003A, 0x006D, 0x006D, 0}; // -H:mm
1.78 +static const UChar DEFAULT_GMT_NEGATIVE_HMS[] = {0x002D, 0x0048, 0x003A, 0x006D, 0x006D, 0x003A, 0x0073, 0x0073, 0}; // -H:mm:ss
1.79 +static const UChar DEFAULT_GMT_POSITIVE_H[] = {0x002B, 0x0048, 0}; // +H
1.80 +static const UChar DEFAULT_GMT_NEGATIVE_H[] = {0x002D, 0x0048, 0}; // -H
1.81 +
1.82 +static const UChar32 DEFAULT_GMT_DIGITS[] = {
1.83 + 0x0030, 0x0031, 0x0032, 0x0033, 0x0034,
1.84 + 0x0035, 0x0036, 0x0037, 0x0038, 0x0039
1.85 +};
1.86 +
1.87 +static const UChar DEFAULT_GMT_OFFSET_SEP = 0x003A; // ':'
1.88 +
1.89 +static const UChar ARG0[] = {0x007B, 0x0030, 0x007D}; // "{0}"
1.90 +static const int32_t ARG0_LEN = 3;
1.91 +
1.92 +static const UChar DEFAULT_GMT_OFFSET_MINUTE_PATTERN[] = {0x006D, 0x006D, 0}; // "mm"
1.93 +static const UChar DEFAULT_GMT_OFFSET_SECOND_PATTERN[] = {0x0073, 0x0073, 0}; // "ss"
1.94 +
1.95 +static const UChar ALT_GMT_STRINGS[][4] = {
1.96 + {0x0047, 0x004D, 0x0054, 0}, // GMT
1.97 + {0x0055, 0x0054, 0x0043, 0}, // UTC
1.98 + {0x0055, 0x0054, 0, 0}, // UT
1.99 + {0, 0, 0, 0}
1.100 +};
1.101 +
1.102 +// Order of GMT offset pattern parsing, *_HMS must be evaluated first
1.103 +// because *_HM is most likely a substring of *_HMS
1.104 +static const int32_t PARSE_GMT_OFFSET_TYPES[] = {
1.105 + UTZFMT_PAT_POSITIVE_HMS,
1.106 + UTZFMT_PAT_NEGATIVE_HMS,
1.107 + UTZFMT_PAT_POSITIVE_HM,
1.108 + UTZFMT_PAT_NEGATIVE_HM,
1.109 + UTZFMT_PAT_POSITIVE_H,
1.110 + UTZFMT_PAT_NEGATIVE_H,
1.111 + -1
1.112 +};
1.113 +
1.114 +static const UChar SINGLEQUOTE = 0x0027;
1.115 +static const UChar PLUS = 0x002B;
1.116 +static const UChar MINUS = 0x002D;
1.117 +static const UChar ISO8601_UTC = 0x005A; // 'Z'
1.118 +static const UChar ISO8601_SEP = 0x003A; // ':'
1.119 +
1.120 +static const int32_t MILLIS_PER_HOUR = 60 * 60 * 1000;
1.121 +static const int32_t MILLIS_PER_MINUTE = 60 * 1000;
1.122 +static const int32_t MILLIS_PER_SECOND = 1000;
1.123 +
1.124 +// Maximum offset (exclusive) in millisecond supported by offset formats
1.125 +static int32_t MAX_OFFSET = 24 * MILLIS_PER_HOUR;
1.126 +
1.127 +// Maximum values for GMT offset fields
1.128 +static const int32_t MAX_OFFSET_HOUR = 23;
1.129 +static const int32_t MAX_OFFSET_MINUTE = 59;
1.130 +static const int32_t MAX_OFFSET_SECOND = 59;
1.131 +
1.132 +static const int32_t UNKNOWN_OFFSET = 0x7FFFFFFF;
1.133 +
1.134 +static const int32_t ALL_SIMPLE_NAME_TYPES = UTZNM_LONG_STANDARD | UTZNM_LONG_DAYLIGHT | UTZNM_SHORT_STANDARD | UTZNM_SHORT_DAYLIGHT | UTZNM_EXEMPLAR_LOCATION;
1.135 +static const int32_t ALL_GENERIC_NAME_TYPES = UTZGNM_LOCATION | UTZGNM_LONG | UTZGNM_SHORT;
1.136 +
1.137 +#define DIGIT_VAL(c) (0x0030 <= (c) && (c) <= 0x0039 ? (c) - 0x0030 : -1)
1.138 +#define MAX_OFFSET_DIGITS 6
1.139 +
1.140 +// Time Zone ID/Short ID trie
1.141 +static TextTrieMap *gZoneIdTrie = NULL;
1.142 +static icu::UInitOnce gZoneIdTrieInitOnce = U_INITONCE_INITIALIZER;
1.143 +
1.144 +static TextTrieMap *gShortZoneIdTrie = NULL;
1.145 +static icu::UInitOnce gShortZoneIdTrieInitOnce = U_INITONCE_INITIALIZER;
1.146 +
1.147 +static UMutex gLock = U_MUTEX_INITIALIZER;
1.148 +
1.149 +U_CDECL_BEGIN
1.150 +/**
1.151 + * Cleanup callback func
1.152 + */
1.153 +static UBool U_CALLCONV tzfmt_cleanup(void)
1.154 +{
1.155 + if (gZoneIdTrie != NULL) {
1.156 + delete gZoneIdTrie;
1.157 + }
1.158 + gZoneIdTrie = NULL;
1.159 + gZoneIdTrieInitOnce.reset();
1.160 +
1.161 + if (gShortZoneIdTrie != NULL) {
1.162 + delete gShortZoneIdTrie;
1.163 + }
1.164 + gShortZoneIdTrie = NULL;
1.165 + gShortZoneIdTrieInitOnce.reset();
1.166 +
1.167 + return TRUE;
1.168 +}
1.169 +U_CDECL_END
1.170 +
1.171 +// ------------------------------------------------------------------
1.172 +// GMTOffsetField
1.173 +//
1.174 +// This class represents a localized GMT offset pattern
1.175 +// item and used by TimeZoneFormat
1.176 +// ------------------------------------------------------------------
1.177 +class GMTOffsetField : public UMemory {
1.178 +public:
1.179 + enum FieldType {
1.180 + TEXT = 0,
1.181 + HOUR = 1,
1.182 + MINUTE = 2,
1.183 + SECOND = 4
1.184 + };
1.185 +
1.186 + virtual ~GMTOffsetField();
1.187 +
1.188 + static GMTOffsetField* createText(const UnicodeString& text, UErrorCode& status);
1.189 + static GMTOffsetField* createTimeField(FieldType type, uint8_t width, UErrorCode& status);
1.190 + static UBool isValid(FieldType type, int32_t width);
1.191 + static FieldType getTypeByLetter(UChar ch);
1.192 +
1.193 + FieldType getType() const;
1.194 + uint8_t getWidth() const;
1.195 + const UChar* getPatternText(void) const;
1.196 +
1.197 +private:
1.198 + UChar* fText;
1.199 + FieldType fType;
1.200 + uint8_t fWidth;
1.201 +
1.202 + GMTOffsetField();
1.203 +};
1.204 +
1.205 +GMTOffsetField::GMTOffsetField()
1.206 +: fText(NULL), fType(TEXT), fWidth(0) {
1.207 +}
1.208 +
1.209 +GMTOffsetField::~GMTOffsetField() {
1.210 + if (fText) {
1.211 + uprv_free(fText);
1.212 + }
1.213 +}
1.214 +
1.215 +GMTOffsetField*
1.216 +GMTOffsetField::createText(const UnicodeString& text, UErrorCode& status) {
1.217 + if (U_FAILURE(status)) {
1.218 + return NULL;
1.219 + }
1.220 + GMTOffsetField* result = new GMTOffsetField();
1.221 + if (result == NULL) {
1.222 + status = U_MEMORY_ALLOCATION_ERROR;
1.223 + return NULL;
1.224 + }
1.225 +
1.226 + int32_t len = text.length();
1.227 + result->fText = (UChar*)uprv_malloc((len + 1) * sizeof(UChar));
1.228 + if (result->fText == NULL) {
1.229 + status = U_MEMORY_ALLOCATION_ERROR;
1.230 + delete result;
1.231 + return NULL;
1.232 + }
1.233 + u_strncpy(result->fText, text.getBuffer(), len);
1.234 + result->fText[len] = 0;
1.235 + result->fType = TEXT;
1.236 +
1.237 + return result;
1.238 +}
1.239 +
1.240 +GMTOffsetField*
1.241 +GMTOffsetField::createTimeField(FieldType type, uint8_t width, UErrorCode& status) {
1.242 + U_ASSERT(type != TEXT);
1.243 + if (U_FAILURE(status)) {
1.244 + return NULL;
1.245 + }
1.246 + GMTOffsetField* result = new GMTOffsetField();
1.247 + if (result == NULL) {
1.248 + status = U_MEMORY_ALLOCATION_ERROR;
1.249 + return NULL;
1.250 + }
1.251 +
1.252 + result->fType = type;
1.253 + result->fWidth = width;
1.254 +
1.255 + return result;
1.256 +}
1.257 +
1.258 +UBool
1.259 +GMTOffsetField::isValid(FieldType type, int32_t width) {
1.260 + switch (type) {
1.261 + case HOUR:
1.262 + return (width == 1 || width == 2);
1.263 + case MINUTE:
1.264 + case SECOND:
1.265 + return (width == 2);
1.266 + default:
1.267 + U_ASSERT(FALSE);
1.268 + }
1.269 + return (width > 0);
1.270 +}
1.271 +
1.272 +GMTOffsetField::FieldType
1.273 +GMTOffsetField::getTypeByLetter(UChar ch) {
1.274 + if (ch == 0x0048 /* H */) {
1.275 + return HOUR;
1.276 + } else if (ch == 0x006D /* m */) {
1.277 + return MINUTE;
1.278 + } else if (ch == 0x0073 /* s */) {
1.279 + return SECOND;
1.280 + }
1.281 + return TEXT;
1.282 +}
1.283 +
1.284 +inline GMTOffsetField::FieldType
1.285 +GMTOffsetField::getType() const {
1.286 + return fType;
1.287 + }
1.288 +
1.289 +inline uint8_t
1.290 +GMTOffsetField::getWidth() const {
1.291 + return fWidth;
1.292 +}
1.293 +
1.294 +inline const UChar*
1.295 +GMTOffsetField::getPatternText(void) const {
1.296 + return fText;
1.297 +}
1.298 +
1.299 +
1.300 +U_CDECL_BEGIN
1.301 +static void U_CALLCONV
1.302 +deleteGMTOffsetField(void *obj) {
1.303 + delete static_cast<GMTOffsetField *>(obj);
1.304 +}
1.305 +U_CDECL_END
1.306 +
1.307 +
1.308 +// ------------------------------------------------------------------
1.309 +// TimeZoneFormat
1.310 +// ------------------------------------------------------------------
1.311 +UOBJECT_DEFINE_RTTI_IMPLEMENTATION(TimeZoneFormat)
1.312 +
1.313 +TimeZoneFormat::TimeZoneFormat(const Locale& locale, UErrorCode& status)
1.314 +: fLocale(locale), fTimeZoneNames(NULL), fTimeZoneGenericNames(NULL), fDefParseOptionFlags(0) {
1.315 +
1.316 + for (int32_t i = 0; i < UTZFMT_PAT_COUNT; i++) {
1.317 + fGMTOffsetPatternItems[i] = NULL;
1.318 + }
1.319 +
1.320 + const char* region = fLocale.getCountry();
1.321 + int32_t regionLen = uprv_strlen(region);
1.322 + if (regionLen == 0) {
1.323 + char loc[ULOC_FULLNAME_CAPACITY];
1.324 + uloc_addLikelySubtags(fLocale.getName(), loc, sizeof(loc), &status);
1.325 +
1.326 + regionLen = uloc_getCountry(loc, fTargetRegion, sizeof(fTargetRegion), &status);
1.327 + if (U_SUCCESS(status)) {
1.328 + fTargetRegion[regionLen] = 0;
1.329 + } else {
1.330 + return;
1.331 + }
1.332 + } else if (regionLen < (int32_t)sizeof(fTargetRegion)) {
1.333 + uprv_strcpy(fTargetRegion, region);
1.334 + } else {
1.335 + fTargetRegion[0] = 0;
1.336 + }
1.337 +
1.338 + fTimeZoneNames = TimeZoneNames::createInstance(locale, status);
1.339 + // fTimeZoneGenericNames is lazily instantiated
1.340 + if (U_FAILURE(status)) {
1.341 + return;
1.342 + }
1.343 +
1.344 + const UChar* gmtPattern = NULL;
1.345 + const UChar* hourFormats = NULL;
1.346 +
1.347 + UResourceBundle *zoneBundle = ures_open(U_ICUDATA_ZONE, locale.getName(), &status);
1.348 + UResourceBundle *zoneStringsArray = ures_getByKeyWithFallback(zoneBundle, gZoneStringsTag, NULL, &status);
1.349 + if (U_SUCCESS(status)) {
1.350 + const UChar* resStr;
1.351 + int32_t len;
1.352 + resStr = ures_getStringByKeyWithFallback(zoneStringsArray, gGmtFormatTag, &len, &status);
1.353 + if (len > 0) {
1.354 + gmtPattern = resStr;
1.355 + }
1.356 + resStr = ures_getStringByKeyWithFallback(zoneStringsArray, gGmtZeroFormatTag, &len, &status);
1.357 + if (len > 0) {
1.358 + fGMTZeroFormat.setTo(TRUE, resStr, len);
1.359 + }
1.360 + resStr = ures_getStringByKeyWithFallback(zoneStringsArray, gHourFormatTag, &len, &status);
1.361 + if (len > 0) {
1.362 + hourFormats = resStr;
1.363 + }
1.364 + ures_close(zoneStringsArray);
1.365 + ures_close(zoneBundle);
1.366 + }
1.367 +
1.368 + if (gmtPattern == NULL) {
1.369 + gmtPattern = DEFAULT_GMT_PATTERN;
1.370 + }
1.371 + initGMTPattern(UnicodeString(gmtPattern, -1), status);
1.372 +
1.373 + UBool useDefaultOffsetPatterns = TRUE;
1.374 + if (hourFormats) {
1.375 + UChar *sep = u_strchr(hourFormats, (UChar)0x003B /* ';' */);
1.376 + if (sep != NULL) {
1.377 + UErrorCode tmpStatus = U_ZERO_ERROR;
1.378 + fGMTOffsetPatterns[UTZFMT_PAT_POSITIVE_HM].setTo(FALSE, hourFormats, (int32_t)(sep - hourFormats));
1.379 + fGMTOffsetPatterns[UTZFMT_PAT_NEGATIVE_HM].setTo(TRUE, sep + 1, -1);
1.380 + expandOffsetPattern(fGMTOffsetPatterns[UTZFMT_PAT_POSITIVE_HM], fGMTOffsetPatterns[UTZFMT_PAT_POSITIVE_HMS], tmpStatus);
1.381 + expandOffsetPattern(fGMTOffsetPatterns[UTZFMT_PAT_NEGATIVE_HM], fGMTOffsetPatterns[UTZFMT_PAT_NEGATIVE_HMS], tmpStatus);
1.382 + truncateOffsetPattern(fGMTOffsetPatterns[UTZFMT_PAT_POSITIVE_HM], fGMTOffsetPatterns[UTZFMT_PAT_POSITIVE_H], tmpStatus);
1.383 + truncateOffsetPattern(fGMTOffsetPatterns[UTZFMT_PAT_NEGATIVE_HM], fGMTOffsetPatterns[UTZFMT_PAT_NEGATIVE_H], tmpStatus);
1.384 + if (U_SUCCESS(tmpStatus)) {
1.385 + useDefaultOffsetPatterns = FALSE;
1.386 + }
1.387 + }
1.388 + }
1.389 + if (useDefaultOffsetPatterns) {
1.390 + fGMTOffsetPatterns[UTZFMT_PAT_POSITIVE_H].setTo(TRUE, DEFAULT_GMT_POSITIVE_H, -1);
1.391 + fGMTOffsetPatterns[UTZFMT_PAT_POSITIVE_HM].setTo(TRUE, DEFAULT_GMT_POSITIVE_HM, -1);
1.392 + fGMTOffsetPatterns[UTZFMT_PAT_POSITIVE_HMS].setTo(TRUE, DEFAULT_GMT_POSITIVE_HMS, -1);
1.393 + fGMTOffsetPatterns[UTZFMT_PAT_NEGATIVE_H].setTo(TRUE, DEFAULT_GMT_NEGATIVE_H, -1);
1.394 + fGMTOffsetPatterns[UTZFMT_PAT_NEGATIVE_HM].setTo(TRUE, DEFAULT_GMT_NEGATIVE_HM, -1);
1.395 + fGMTOffsetPatterns[UTZFMT_PAT_NEGATIVE_HMS].setTo(TRUE, DEFAULT_GMT_NEGATIVE_HMS, -1);
1.396 + }
1.397 + initGMTOffsetPatterns(status);
1.398 +
1.399 + NumberingSystem* ns = NumberingSystem::createInstance(locale, status);
1.400 + UBool useDefDigits = TRUE;
1.401 + if (ns && !ns->isAlgorithmic()) {
1.402 + UnicodeString digits = ns->getDescription();
1.403 + useDefDigits = !toCodePoints(digits, fGMTOffsetDigits, 10);
1.404 + }
1.405 + if (useDefDigits) {
1.406 + uprv_memcpy(fGMTOffsetDigits, DEFAULT_GMT_DIGITS, sizeof(UChar32) * 10);
1.407 + }
1.408 + delete ns;
1.409 +}
1.410 +
1.411 +TimeZoneFormat::TimeZoneFormat(const TimeZoneFormat& other)
1.412 +: Format(other), fTimeZoneNames(NULL), fTimeZoneGenericNames(NULL) {
1.413 +
1.414 + for (int32_t i = 0; i < UTZFMT_PAT_COUNT; i++) {
1.415 + fGMTOffsetPatternItems[i] = NULL;
1.416 + }
1.417 + *this = other;
1.418 +}
1.419 +
1.420 +
1.421 +TimeZoneFormat::~TimeZoneFormat() {
1.422 + delete fTimeZoneNames;
1.423 + delete fTimeZoneGenericNames;
1.424 + for (int32_t i = 0; i < UTZFMT_PAT_COUNT; i++) {
1.425 + delete fGMTOffsetPatternItems[i];
1.426 + }
1.427 +}
1.428 +
1.429 +TimeZoneFormat&
1.430 +TimeZoneFormat::operator=(const TimeZoneFormat& other) {
1.431 + if (this == &other) {
1.432 + return *this;
1.433 + }
1.434 +
1.435 + delete fTimeZoneNames;
1.436 + delete fTimeZoneGenericNames;
1.437 + fTimeZoneGenericNames = NULL;
1.438 +
1.439 + fLocale = other.fLocale;
1.440 + uprv_memcpy(fTargetRegion, other.fTargetRegion, sizeof(fTargetRegion));
1.441 +
1.442 + fTimeZoneNames = other.fTimeZoneNames->clone();
1.443 + if (other.fTimeZoneGenericNames) {
1.444 + // TODO: this test has dubious thread safety.
1.445 + fTimeZoneGenericNames = other.fTimeZoneGenericNames->clone();
1.446 + }
1.447 +
1.448 + fGMTPattern = other.fGMTPattern;
1.449 + fGMTPatternPrefix = other.fGMTPatternPrefix;
1.450 + fGMTPatternSuffix = other.fGMTPatternSuffix;
1.451 +
1.452 + UErrorCode status = U_ZERO_ERROR;
1.453 + for (int32_t i = 0; i < UTZFMT_PAT_COUNT; i++) {
1.454 + fGMTOffsetPatterns[i] = other.fGMTOffsetPatterns[i];
1.455 + delete fGMTOffsetPatternItems[i];
1.456 + }
1.457 + initGMTOffsetPatterns(status);
1.458 + U_ASSERT(U_SUCCESS(status));
1.459 +
1.460 + fGMTZeroFormat = other.fGMTZeroFormat;
1.461 +
1.462 + uprv_memcpy(fGMTOffsetDigits, other.fGMTOffsetDigits, sizeof(fGMTOffsetDigits));
1.463 +
1.464 + fDefParseOptionFlags = other.fDefParseOptionFlags;
1.465 +
1.466 + return *this;
1.467 +}
1.468 +
1.469 +
1.470 +UBool
1.471 +TimeZoneFormat::operator==(const Format& other) const {
1.472 + TimeZoneFormat* tzfmt = (TimeZoneFormat*)&other;
1.473 +
1.474 + UBool isEqual =
1.475 + fLocale == tzfmt->fLocale
1.476 + && fGMTPattern == tzfmt->fGMTPattern
1.477 + && fGMTZeroFormat == tzfmt->fGMTZeroFormat
1.478 + && *fTimeZoneNames == *tzfmt->fTimeZoneNames;
1.479 +
1.480 + for (int32_t i = 0; i < UTZFMT_PAT_COUNT && isEqual; i++) {
1.481 + isEqual = fGMTOffsetPatterns[i] == tzfmt->fGMTOffsetPatterns[i];
1.482 + }
1.483 + for (int32_t i = 0; i < 10 && isEqual; i++) {
1.484 + isEqual = fGMTOffsetDigits[i] == tzfmt->fGMTOffsetDigits[i];
1.485 + }
1.486 + // TODO
1.487 + // Check fTimeZoneGenericNames. For now,
1.488 + // if fTimeZoneNames is same, fTimeZoneGenericNames should
1.489 + // be also equivalent.
1.490 + return isEqual;
1.491 +}
1.492 +
1.493 +Format*
1.494 +TimeZoneFormat::clone() const {
1.495 + return new TimeZoneFormat(*this);
1.496 +}
1.497 +
1.498 +TimeZoneFormat* U_EXPORT2
1.499 +TimeZoneFormat::createInstance(const Locale& locale, UErrorCode& status) {
1.500 + TimeZoneFormat* tzfmt = new TimeZoneFormat(locale, status);
1.501 + if (U_SUCCESS(status)) {
1.502 + return tzfmt;
1.503 + }
1.504 + delete tzfmt;
1.505 + return NULL;
1.506 +}
1.507 +
1.508 +// ------------------------------------------------------------------
1.509 +// Setter and Getter
1.510 +
1.511 +const TimeZoneNames*
1.512 +TimeZoneFormat::getTimeZoneNames() const {
1.513 + return (const TimeZoneNames*)fTimeZoneNames;
1.514 +}
1.515 +
1.516 +void
1.517 +TimeZoneFormat::adoptTimeZoneNames(TimeZoneNames *tznames) {
1.518 + delete fTimeZoneNames;
1.519 + fTimeZoneNames = tznames;
1.520 +
1.521 + // TODO - We should also update fTimeZoneGenericNames
1.522 +}
1.523 +
1.524 +void
1.525 +TimeZoneFormat::setTimeZoneNames(const TimeZoneNames &tznames) {
1.526 + delete fTimeZoneNames;
1.527 + fTimeZoneNames = tznames.clone();
1.528 +
1.529 + // TODO - We should also update fTimeZoneGenericNames
1.530 +}
1.531 +
1.532 +void
1.533 +TimeZoneFormat::setDefaultParseOptions(uint32_t flags) {
1.534 + fDefParseOptionFlags = flags;
1.535 +}
1.536 +
1.537 +uint32_t
1.538 +TimeZoneFormat::getDefaultParseOptions(void) const {
1.539 + return fDefParseOptionFlags;
1.540 +}
1.541 +
1.542 +
1.543 +UnicodeString&
1.544 +TimeZoneFormat::getGMTPattern(UnicodeString& pattern) const {
1.545 + return pattern.setTo(fGMTPattern);
1.546 +}
1.547 +
1.548 +void
1.549 +TimeZoneFormat::setGMTPattern(const UnicodeString& pattern, UErrorCode& status) {
1.550 + initGMTPattern(pattern, status);
1.551 +}
1.552 +
1.553 +UnicodeString&
1.554 +TimeZoneFormat::getGMTOffsetPattern(UTimeZoneFormatGMTOffsetPatternType type, UnicodeString& pattern) const {
1.555 + return pattern.setTo(fGMTOffsetPatterns[type]);
1.556 +}
1.557 +
1.558 +void
1.559 +TimeZoneFormat::setGMTOffsetPattern(UTimeZoneFormatGMTOffsetPatternType type, const UnicodeString& pattern, UErrorCode& status) {
1.560 + if (U_FAILURE(status)) {
1.561 + return;
1.562 + }
1.563 + if (pattern == fGMTOffsetPatterns[type]) {
1.564 + // No need to reset
1.565 + return;
1.566 + }
1.567 +
1.568 + OffsetFields required = FIELDS_HM;
1.569 + switch (type) {
1.570 + case UTZFMT_PAT_POSITIVE_H:
1.571 + case UTZFMT_PAT_NEGATIVE_H:
1.572 + required = FIELDS_H;
1.573 + break;
1.574 + case UTZFMT_PAT_POSITIVE_HM:
1.575 + case UTZFMT_PAT_NEGATIVE_HM:
1.576 + required = FIELDS_HM;
1.577 + break;
1.578 + case UTZFMT_PAT_POSITIVE_HMS:
1.579 + case UTZFMT_PAT_NEGATIVE_HMS:
1.580 + required = FIELDS_HMS;
1.581 + break;
1.582 + default:
1.583 + U_ASSERT(FALSE);
1.584 + break;
1.585 + }
1.586 +
1.587 + UVector* patternItems = parseOffsetPattern(pattern, required, status);
1.588 + if (patternItems == NULL) {
1.589 + return;
1.590 + }
1.591 +
1.592 + fGMTOffsetPatterns[type].setTo(pattern);
1.593 + delete fGMTOffsetPatternItems[type];
1.594 + fGMTOffsetPatternItems[type] = patternItems;
1.595 + checkAbuttingHoursAndMinutes();
1.596 +}
1.597 +
1.598 +UnicodeString&
1.599 +TimeZoneFormat::getGMTOffsetDigits(UnicodeString& digits) const {
1.600 + digits.remove();
1.601 + for (int32_t i = 0; i < 10; i++) {
1.602 + digits.append(fGMTOffsetDigits[i]);
1.603 + }
1.604 + return digits;
1.605 +}
1.606 +
1.607 +void
1.608 +TimeZoneFormat::setGMTOffsetDigits(const UnicodeString& digits, UErrorCode& status) {
1.609 + if (U_FAILURE(status)) {
1.610 + return;
1.611 + }
1.612 + UChar32 digitArray[10];
1.613 + if (!toCodePoints(digits, digitArray, 10)) {
1.614 + status = U_ILLEGAL_ARGUMENT_ERROR;
1.615 + return;
1.616 + }
1.617 + uprv_memcpy(fGMTOffsetDigits, digitArray, sizeof(UChar32)*10);
1.618 +}
1.619 +
1.620 +UnicodeString&
1.621 +TimeZoneFormat::getGMTZeroFormat(UnicodeString& gmtZeroFormat) const {
1.622 + return gmtZeroFormat.setTo(fGMTZeroFormat);
1.623 +}
1.624 +
1.625 +void
1.626 +TimeZoneFormat::setGMTZeroFormat(const UnicodeString& gmtZeroFormat, UErrorCode& status) {
1.627 + if (U_SUCCESS(status)) {
1.628 + if (gmtZeroFormat.isEmpty()) {
1.629 + status = U_ILLEGAL_ARGUMENT_ERROR;
1.630 + } else if (gmtZeroFormat != fGMTZeroFormat) {
1.631 + fGMTZeroFormat.setTo(gmtZeroFormat);
1.632 + }
1.633 + }
1.634 +}
1.635 +
1.636 +// ------------------------------------------------------------------
1.637 +// Format and Parse
1.638 +
1.639 +UnicodeString&
1.640 +TimeZoneFormat::format(UTimeZoneFormatStyle style, const TimeZone& tz, UDate date,
1.641 + UnicodeString& name, UTimeZoneFormatTimeType* timeType /* = NULL */) const {
1.642 + if (timeType) {
1.643 + *timeType = UTZFMT_TIME_TYPE_UNKNOWN;
1.644 + }
1.645 +
1.646 + UBool noOffsetFormatFallback = FALSE;
1.647 +
1.648 + switch (style) {
1.649 + case UTZFMT_STYLE_GENERIC_LOCATION:
1.650 + formatGeneric(tz, UTZGNM_LOCATION, date, name);
1.651 + break;
1.652 + case UTZFMT_STYLE_GENERIC_LONG:
1.653 + formatGeneric(tz, UTZGNM_LONG, date, name);
1.654 + break;
1.655 + case UTZFMT_STYLE_GENERIC_SHORT:
1.656 + formatGeneric(tz, UTZGNM_SHORT, date, name);
1.657 + break;
1.658 + case UTZFMT_STYLE_SPECIFIC_LONG:
1.659 + formatSpecific(tz, UTZNM_LONG_STANDARD, UTZNM_LONG_DAYLIGHT, date, name, timeType);
1.660 + break;
1.661 + case UTZFMT_STYLE_SPECIFIC_SHORT:
1.662 + formatSpecific(tz, UTZNM_SHORT_STANDARD, UTZNM_SHORT_DAYLIGHT, date, name, timeType);
1.663 + break;
1.664 +
1.665 + case UTZFMT_STYLE_ZONE_ID:
1.666 + tz.getID(name);
1.667 + noOffsetFormatFallback = TRUE;
1.668 + break;
1.669 + case UTZFMT_STYLE_ZONE_ID_SHORT:
1.670 + {
1.671 + const UChar* shortID = ZoneMeta::getShortID(tz);
1.672 + if (shortID == NULL) {
1.673 + shortID = UNKNOWN_SHORT_ZONE_ID;
1.674 + }
1.675 + name.setTo(shortID, -1);
1.676 + }
1.677 + noOffsetFormatFallback = TRUE;
1.678 + break;
1.679 +
1.680 + case UTZFMT_STYLE_EXEMPLAR_LOCATION:
1.681 + formatExemplarLocation(tz, name);
1.682 + noOffsetFormatFallback = TRUE;
1.683 + break;
1.684 +
1.685 + default:
1.686 + // will be handled below
1.687 + break;
1.688 + }
1.689 +
1.690 + if (name.isEmpty() && !noOffsetFormatFallback) {
1.691 + UErrorCode status = U_ZERO_ERROR;
1.692 + int32_t rawOffset, dstOffset;
1.693 + tz.getOffset(date, FALSE, rawOffset, dstOffset, status);
1.694 + int32_t offset = rawOffset + dstOffset;
1.695 + if (U_SUCCESS(status)) {
1.696 + switch (style) {
1.697 + case UTZFMT_STYLE_GENERIC_LOCATION:
1.698 + case UTZFMT_STYLE_GENERIC_LONG:
1.699 + case UTZFMT_STYLE_SPECIFIC_LONG:
1.700 + case UTZFMT_STYLE_LOCALIZED_GMT:
1.701 + formatOffsetLocalizedGMT(offset, name, status);
1.702 + break;
1.703 +
1.704 + case UTZFMT_STYLE_GENERIC_SHORT:
1.705 + case UTZFMT_STYLE_SPECIFIC_SHORT:
1.706 + case UTZFMT_STYLE_LOCALIZED_GMT_SHORT:
1.707 + formatOffsetShortLocalizedGMT(offset, name, status);
1.708 + break;
1.709 +
1.710 + case UTZFMT_STYLE_ISO_BASIC_SHORT:
1.711 + formatOffsetISO8601Basic(offset, TRUE, TRUE, TRUE, name, status);
1.712 + break;
1.713 +
1.714 + case UTZFMT_STYLE_ISO_BASIC_LOCAL_SHORT:
1.715 + formatOffsetISO8601Basic(offset, FALSE, TRUE, TRUE, name, status);
1.716 + break;
1.717 +
1.718 + case UTZFMT_STYLE_ISO_BASIC_FIXED:
1.719 + formatOffsetISO8601Basic(offset, TRUE, FALSE, TRUE, name, status);
1.720 + break;
1.721 +
1.722 + case UTZFMT_STYLE_ISO_BASIC_LOCAL_FIXED:
1.723 + formatOffsetISO8601Basic(offset, FALSE, FALSE, TRUE, name, status);
1.724 + break;
1.725 +
1.726 + case UTZFMT_STYLE_ISO_EXTENDED_FIXED:
1.727 + formatOffsetISO8601Extended(offset, TRUE, FALSE, TRUE, name, status);
1.728 + break;
1.729 +
1.730 + case UTZFMT_STYLE_ISO_EXTENDED_LOCAL_FIXED:
1.731 + formatOffsetISO8601Extended(offset, FALSE, FALSE, TRUE, name, status);
1.732 + break;
1.733 +
1.734 + case UTZFMT_STYLE_ISO_BASIC_FULL:
1.735 + formatOffsetISO8601Basic(offset, TRUE, FALSE, FALSE, name, status);
1.736 + break;
1.737 +
1.738 + case UTZFMT_STYLE_ISO_BASIC_LOCAL_FULL:
1.739 + formatOffsetISO8601Basic(offset, FALSE, FALSE, FALSE, name, status);
1.740 + break;
1.741 +
1.742 + case UTZFMT_STYLE_ISO_EXTENDED_FULL:
1.743 + formatOffsetISO8601Extended(offset, TRUE, FALSE, FALSE, name, status);
1.744 + break;
1.745 +
1.746 + case UTZFMT_STYLE_ISO_EXTENDED_LOCAL_FULL:
1.747 + formatOffsetISO8601Extended(offset, FALSE, FALSE, FALSE, name, status);
1.748 + break;
1.749 +
1.750 + default:
1.751 + // UTZFMT_STYLE_ZONE_ID, UTZFMT_STYLE_ZONE_ID_SHORT, UTZFMT_STYLE_EXEMPLAR_LOCATION
1.752 + break;
1.753 + }
1.754 +
1.755 + if (timeType) {
1.756 + *timeType = (dstOffset != 0) ? UTZFMT_TIME_TYPE_DAYLIGHT : UTZFMT_TIME_TYPE_STANDARD;
1.757 + }
1.758 + }
1.759 + }
1.760 +
1.761 + return name;
1.762 +}
1.763 +
1.764 +UnicodeString&
1.765 +TimeZoneFormat::format(const Formattable& obj, UnicodeString& appendTo,
1.766 + FieldPosition& pos, UErrorCode& status) const {
1.767 + if (U_FAILURE(status)) {
1.768 + return appendTo;
1.769 + }
1.770 + UDate date = Calendar::getNow();
1.771 + if (obj.getType() == Formattable::kObject) {
1.772 + const UObject* formatObj = obj.getObject();
1.773 + const TimeZone* tz = dynamic_cast<const TimeZone*>(formatObj);
1.774 + if (tz == NULL) {
1.775 + const Calendar* cal = dynamic_cast<const Calendar*>(formatObj);
1.776 + if (cal != NULL) {
1.777 + tz = &cal->getTimeZone();
1.778 + date = cal->getTime(status);
1.779 + }
1.780 + }
1.781 + if (tz != NULL) {
1.782 + int32_t rawOffset, dstOffset;
1.783 + tz->getOffset(date, FALSE, rawOffset, dstOffset, status);
1.784 + UnicodeString result;
1.785 + formatOffsetLocalizedGMT(rawOffset + dstOffset, result, status);
1.786 + if (U_SUCCESS(status)) {
1.787 + appendTo.append(result);
1.788 + if (pos.getField() == UDAT_TIMEZONE_FIELD) {
1.789 + pos.setBeginIndex(0);
1.790 + pos.setEndIndex(result.length());
1.791 + }
1.792 + }
1.793 + }
1.794 + }
1.795 + return appendTo;
1.796 +}
1.797 +
1.798 +TimeZone*
1.799 +TimeZoneFormat::parse(UTimeZoneFormatStyle style, const UnicodeString& text, ParsePosition& pos,
1.800 + UTimeZoneFormatTimeType* timeType /*= NULL*/) const {
1.801 + return parse(style, text, pos, getDefaultParseOptions(), timeType);
1.802 +}
1.803 +
1.804 +TimeZone*
1.805 +TimeZoneFormat::parse(UTimeZoneFormatStyle style, const UnicodeString& text, ParsePosition& pos,
1.806 + int32_t parseOptions, UTimeZoneFormatTimeType* timeType /* = NULL */) const {
1.807 + if (timeType) {
1.808 + *timeType = UTZFMT_TIME_TYPE_UNKNOWN;
1.809 + }
1.810 +
1.811 + int32_t startIdx = pos.getIndex();
1.812 + int32_t maxPos = text.length();
1.813 + int32_t offset;
1.814 +
1.815 + // Styles using localized GMT format as fallback
1.816 + UBool fallbackLocalizedGMT =
1.817 + (style == UTZFMT_STYLE_SPECIFIC_LONG || style == UTZFMT_STYLE_GENERIC_LONG || style == UTZFMT_STYLE_GENERIC_LOCATION);
1.818 + UBool fallbackShortLocalizedGMT =
1.819 + (style == UTZFMT_STYLE_SPECIFIC_SHORT || style == UTZFMT_STYLE_GENERIC_SHORT);
1.820 +
1.821 + int32_t evaluated = 0; // bit flags representing already evaluated styles
1.822 + ParsePosition tmpPos(startIdx);
1.823 +
1.824 + int32_t parsedOffset = UNKNOWN_OFFSET; // stores successfully parsed offset for later use
1.825 + int32_t parsedPos = -1; // stores successfully parsed offset position for later use
1.826 +
1.827 + // Try localized GMT format first if necessary
1.828 + if (fallbackLocalizedGMT || fallbackShortLocalizedGMT) {
1.829 + UBool hasDigitOffset = FALSE;
1.830 + offset = parseOffsetLocalizedGMT(text, tmpPos, fallbackShortLocalizedGMT, &hasDigitOffset);
1.831 + if (tmpPos.getErrorIndex() == -1) {
1.832 + // Even when the input text was successfully parsed as a localized GMT format text,
1.833 + // we may still need to evaluate the specified style if -
1.834 + // 1) GMT zero format was used, and
1.835 + // 2) The input text was not completely processed
1.836 + if (tmpPos.getIndex() == maxPos || hasDigitOffset) {
1.837 + pos.setIndex(tmpPos.getIndex());
1.838 + return createTimeZoneForOffset(offset);
1.839 + }
1.840 + parsedOffset = offset;
1.841 + parsedPos = tmpPos.getIndex();
1.842 + }
1.843 + // Note: For now, no distinction between long/short localized GMT format in the parser.
1.844 + // This might be changed in future.
1.845 + // evaluated |= (fallbackLocalizedGMT ? STYLE_PARSE_FLAGS[UTZFMT_STYLE_LOCALIZED_GMT] : STYLE_PARSE_FLAGS[UTZFMT_STYLE_LOCALIZED_GMT_SHORT]);
1.846 + evaluated |= STYLE_PARSE_FLAGS[UTZFMT_STYLE_LOCALIZED_GMT] | STYLE_PARSE_FLAGS[UTZFMT_STYLE_LOCALIZED_GMT_SHORT];
1.847 + }
1.848 +
1.849 + UErrorCode status = U_ZERO_ERROR;
1.850 + UnicodeString tzID;
1.851 +
1.852 + // Try the specified style
1.853 + switch (style) {
1.854 + case UTZFMT_STYLE_LOCALIZED_GMT:
1.855 + {
1.856 + tmpPos.setIndex(startIdx);
1.857 + tmpPos.setErrorIndex(-1);
1.858 +
1.859 + offset = parseOffsetLocalizedGMT(text, tmpPos);
1.860 + if (tmpPos.getErrorIndex() == -1) {
1.861 + pos.setIndex(tmpPos.getIndex());
1.862 + return createTimeZoneForOffset(offset);
1.863 + }
1.864 +
1.865 + // Note: For now, no distinction between long/short localized GMT format in the parser.
1.866 + // This might be changed in future.
1.867 + evaluated |= STYLE_PARSE_FLAGS[UTZFMT_STYLE_LOCALIZED_GMT_SHORT];
1.868 +
1.869 + break;
1.870 + }
1.871 + case UTZFMT_STYLE_LOCALIZED_GMT_SHORT:
1.872 + {
1.873 + tmpPos.setIndex(startIdx);
1.874 + tmpPos.setErrorIndex(-1);
1.875 +
1.876 + offset = parseOffsetShortLocalizedGMT(text, tmpPos);
1.877 + if (tmpPos.getErrorIndex() == -1) {
1.878 + pos.setIndex(tmpPos.getIndex());
1.879 + return createTimeZoneForOffset(offset);
1.880 + }
1.881 +
1.882 + // Note: For now, no distinction between long/short localized GMT format in the parser.
1.883 + // This might be changed in future.
1.884 + evaluated |= STYLE_PARSE_FLAGS[UTZFMT_STYLE_LOCALIZED_GMT];
1.885 +
1.886 + break;
1.887 + }
1.888 + case UTZFMT_STYLE_ISO_BASIC_SHORT:
1.889 + case UTZFMT_STYLE_ISO_BASIC_FIXED:
1.890 + case UTZFMT_STYLE_ISO_BASIC_FULL:
1.891 + case UTZFMT_STYLE_ISO_EXTENDED_FIXED:
1.892 + case UTZFMT_STYLE_ISO_EXTENDED_FULL:
1.893 + {
1.894 + tmpPos.setIndex(startIdx);
1.895 + tmpPos.setErrorIndex(-1);
1.896 +
1.897 + offset = parseOffsetISO8601(text, tmpPos);
1.898 + if (tmpPos.getErrorIndex() == -1) {
1.899 + pos.setIndex(tmpPos.getIndex());
1.900 + return createTimeZoneForOffset(offset);
1.901 + }
1.902 +
1.903 + break;
1.904 + }
1.905 +
1.906 + case UTZFMT_STYLE_ISO_BASIC_LOCAL_SHORT:
1.907 + case UTZFMT_STYLE_ISO_BASIC_LOCAL_FIXED:
1.908 + case UTZFMT_STYLE_ISO_BASIC_LOCAL_FULL:
1.909 + case UTZFMT_STYLE_ISO_EXTENDED_LOCAL_FIXED:
1.910 + case UTZFMT_STYLE_ISO_EXTENDED_LOCAL_FULL:
1.911 + {
1.912 + tmpPos.setIndex(startIdx);
1.913 + tmpPos.setErrorIndex(-1);
1.914 +
1.915 + // Exclude the case of UTC Indicator "Z" here
1.916 + UBool hasDigitOffset = FALSE;
1.917 + offset = parseOffsetISO8601(text, tmpPos, FALSE, &hasDigitOffset);
1.918 + if (tmpPos.getErrorIndex() == -1 && hasDigitOffset) {
1.919 + pos.setIndex(tmpPos.getIndex());
1.920 + return createTimeZoneForOffset(offset);
1.921 + }
1.922 +
1.923 + break;
1.924 + }
1.925 +
1.926 + case UTZFMT_STYLE_SPECIFIC_LONG:
1.927 + case UTZFMT_STYLE_SPECIFIC_SHORT:
1.928 + {
1.929 + // Specific styles
1.930 + int32_t nameTypes = 0;
1.931 + if (style == UTZFMT_STYLE_SPECIFIC_LONG) {
1.932 + nameTypes = (UTZNM_LONG_STANDARD | UTZNM_LONG_DAYLIGHT);
1.933 + } else {
1.934 + U_ASSERT(style == UTZFMT_STYLE_SPECIFIC_SHORT);
1.935 + nameTypes = (UTZNM_SHORT_STANDARD | UTZNM_SHORT_DAYLIGHT);
1.936 + }
1.937 + LocalPointer<TimeZoneNames::MatchInfoCollection> specificMatches(fTimeZoneNames->find(text, startIdx, nameTypes, status));
1.938 + if (U_FAILURE(status)) {
1.939 + pos.setErrorIndex(startIdx);
1.940 + return NULL;
1.941 + }
1.942 + if (!specificMatches.isNull()) {
1.943 + int32_t matchIdx = -1;
1.944 + int32_t matchPos = -1;
1.945 + for (int32_t i = 0; i < specificMatches->size(); i++) {
1.946 + matchPos = startIdx + specificMatches->getMatchLengthAt(i);
1.947 + if (matchPos > parsedPos) {
1.948 + matchIdx = i;
1.949 + parsedPos = matchPos;
1.950 + }
1.951 + }
1.952 + if (matchIdx >= 0) {
1.953 + if (timeType) {
1.954 + *timeType = getTimeType(specificMatches->getNameTypeAt(matchIdx));
1.955 + }
1.956 + pos.setIndex(matchPos);
1.957 + getTimeZoneID(specificMatches.getAlias(), matchIdx, tzID);
1.958 + U_ASSERT(!tzID.isEmpty());
1.959 + return TimeZone::createTimeZone(tzID);
1.960 + }
1.961 + }
1.962 + break;
1.963 + }
1.964 + case UTZFMT_STYLE_GENERIC_LONG:
1.965 + case UTZFMT_STYLE_GENERIC_SHORT:
1.966 + case UTZFMT_STYLE_GENERIC_LOCATION:
1.967 + {
1.968 + int32_t genericNameTypes = 0;
1.969 + switch (style) {
1.970 + case UTZFMT_STYLE_GENERIC_LOCATION:
1.971 + genericNameTypes = UTZGNM_LOCATION;
1.972 + break;
1.973 +
1.974 + case UTZFMT_STYLE_GENERIC_LONG:
1.975 + genericNameTypes = UTZGNM_LONG | UTZGNM_LOCATION;
1.976 + break;
1.977 +
1.978 + case UTZFMT_STYLE_GENERIC_SHORT:
1.979 + genericNameTypes = UTZGNM_SHORT | UTZGNM_LOCATION;
1.980 + break;
1.981 +
1.982 + default:
1.983 + U_ASSERT(FALSE);
1.984 + }
1.985 +
1.986 + int32_t len = 0;
1.987 + UTimeZoneFormatTimeType tt = UTZFMT_TIME_TYPE_UNKNOWN;
1.988 + const TimeZoneGenericNames *gnames = getTimeZoneGenericNames(status);
1.989 + if (U_SUCCESS(status)) {
1.990 + len = gnames->findBestMatch(text, startIdx, genericNameTypes, tzID, tt, status);
1.991 + }
1.992 + if (U_FAILURE(status)) {
1.993 + pos.setErrorIndex(startIdx);
1.994 + return NULL;
1.995 + }
1.996 + if (len > 0) {
1.997 + // Found a match
1.998 + if (timeType) {
1.999 + *timeType = tt;
1.1000 + }
1.1001 + pos.setIndex(startIdx + len);
1.1002 + U_ASSERT(!tzID.isEmpty());
1.1003 + return TimeZone::createTimeZone(tzID);
1.1004 + }
1.1005 +
1.1006 + break;
1.1007 + }
1.1008 + case UTZFMT_STYLE_ZONE_ID:
1.1009 + {
1.1010 + tmpPos.setIndex(startIdx);
1.1011 + tmpPos.setErrorIndex(-1);
1.1012 +
1.1013 + parseZoneID(text, tmpPos, tzID);
1.1014 + if (tmpPos.getErrorIndex() == -1) {
1.1015 + pos.setIndex(tmpPos.getIndex());
1.1016 + return TimeZone::createTimeZone(tzID);
1.1017 + }
1.1018 + break;
1.1019 + }
1.1020 + case UTZFMT_STYLE_ZONE_ID_SHORT:
1.1021 + {
1.1022 + tmpPos.setIndex(startIdx);
1.1023 + tmpPos.setErrorIndex(-1);
1.1024 +
1.1025 + parseShortZoneID(text, tmpPos, tzID);
1.1026 + if (tmpPos.getErrorIndex() == -1) {
1.1027 + pos.setIndex(tmpPos.getIndex());
1.1028 + return TimeZone::createTimeZone(tzID);
1.1029 + }
1.1030 + break;
1.1031 + }
1.1032 + case UTZFMT_STYLE_EXEMPLAR_LOCATION:
1.1033 + {
1.1034 + tmpPos.setIndex(startIdx);
1.1035 + tmpPos.setErrorIndex(-1);
1.1036 +
1.1037 + parseExemplarLocation(text, tmpPos, tzID);
1.1038 + if (tmpPos.getErrorIndex() == -1) {
1.1039 + pos.setIndex(tmpPos.getIndex());
1.1040 + return TimeZone::createTimeZone(tzID);
1.1041 + }
1.1042 + break;
1.1043 + }
1.1044 + }
1.1045 + evaluated |= STYLE_PARSE_FLAGS[style];
1.1046 +
1.1047 +
1.1048 + if (parsedPos > startIdx) {
1.1049 + // When the specified style is one of SPECIFIC_XXX or GENERIC_XXX, we tried to parse the input
1.1050 + // as localized GMT format earlier. If parsedOffset is positive, it means it was successfully
1.1051 + // parsed as localized GMT format, but offset digits were not detected (more specifically, GMT
1.1052 + // zero format). Then, it tried to find a match within the set of display names, but could not
1.1053 + // find a match. At this point, we can safely assume the input text contains the localized
1.1054 + // GMT format.
1.1055 + U_ASSERT(parsedOffset != UNKNOWN_OFFSET);
1.1056 + pos.setIndex(parsedPos);
1.1057 + return createTimeZoneForOffset(parsedOffset);
1.1058 + }
1.1059 +
1.1060 + // Failed to parse the input text as the time zone format in the specified style.
1.1061 + // Check the longest match among other styles below.
1.1062 + UnicodeString parsedID;
1.1063 + UTimeZoneFormatTimeType parsedTimeType = UTZFMT_TIME_TYPE_UNKNOWN;
1.1064 +
1.1065 + U_ASSERT(parsedPos < 0);
1.1066 + U_ASSERT(parsedOffset == UNKNOWN_OFFSET);
1.1067 +
1.1068 + // ISO 8601
1.1069 + if (parsedPos < maxPos &&
1.1070 + ((evaluated & ISO_Z_STYLE_FLAG) == 0 || (evaluated & ISO_LOCAL_STYLE_FLAG) == 0)) {
1.1071 + tmpPos.setIndex(startIdx);
1.1072 + tmpPos.setErrorIndex(-1);
1.1073 +
1.1074 + UBool hasDigitOffset = FALSE;
1.1075 + offset = parseOffsetISO8601(text, tmpPos, FALSE, &hasDigitOffset);
1.1076 + if (tmpPos.getErrorIndex() == -1) {
1.1077 + if (tmpPos.getIndex() == maxPos || hasDigitOffset) {
1.1078 + pos.setIndex(tmpPos.getIndex());
1.1079 + return createTimeZoneForOffset(offset);
1.1080 + }
1.1081 + // Note: When ISO 8601 format contains offset digits, it should not
1.1082 + // collide with other formats. However, ISO 8601 UTC format "Z" (single letter)
1.1083 + // may collide with other names. In this case, we need to evaluate other names.
1.1084 + if (parsedPos < tmpPos.getIndex()) {
1.1085 + parsedOffset = offset;
1.1086 + parsedID.setToBogus();
1.1087 + parsedTimeType = UTZFMT_TIME_TYPE_UNKNOWN;
1.1088 + parsedPos = tmpPos.getIndex();
1.1089 + U_ASSERT(parsedPos == startIdx + 1); // only when "Z" is used
1.1090 + }
1.1091 + }
1.1092 + }
1.1093 +
1.1094 + // Localized GMT format
1.1095 + if (parsedPos < maxPos &&
1.1096 + (evaluated & STYLE_PARSE_FLAGS[UTZFMT_STYLE_LOCALIZED_GMT]) == 0) {
1.1097 + tmpPos.setIndex(startIdx);
1.1098 + tmpPos.setErrorIndex(-1);
1.1099 +
1.1100 + UBool hasDigitOffset = FALSE;
1.1101 + offset = parseOffsetLocalizedGMT(text, tmpPos, FALSE, &hasDigitOffset);
1.1102 + if (tmpPos.getErrorIndex() == -1) {
1.1103 + if (tmpPos.getIndex() == maxPos || hasDigitOffset) {
1.1104 + pos.setIndex(tmpPos.getIndex());
1.1105 + return createTimeZoneForOffset(offset);
1.1106 + }
1.1107 + // Evaluate other names - see the comment earlier in this method.
1.1108 + if (parsedPos < tmpPos.getIndex()) {
1.1109 + parsedOffset = offset;
1.1110 + parsedID.setToBogus();
1.1111 + parsedTimeType = UTZFMT_TIME_TYPE_UNKNOWN;
1.1112 + parsedPos = tmpPos.getIndex();
1.1113 + }
1.1114 + }
1.1115 + }
1.1116 +
1.1117 + if (parsedPos < maxPos &&
1.1118 + (evaluated & STYLE_PARSE_FLAGS[UTZFMT_STYLE_LOCALIZED_GMT_SHORT]) == 0) {
1.1119 + tmpPos.setIndex(startIdx);
1.1120 + tmpPos.setErrorIndex(-1);
1.1121 +
1.1122 + UBool hasDigitOffset = FALSE;
1.1123 + offset = parseOffsetLocalizedGMT(text, tmpPos, TRUE, &hasDigitOffset);
1.1124 + if (tmpPos.getErrorIndex() == -1) {
1.1125 + if (tmpPos.getIndex() == maxPos || hasDigitOffset) {
1.1126 + pos.setIndex(tmpPos.getIndex());
1.1127 + return createTimeZoneForOffset(offset);
1.1128 + }
1.1129 + // Evaluate other names - see the comment earlier in this method.
1.1130 + if (parsedPos < tmpPos.getIndex()) {
1.1131 + parsedOffset = offset;
1.1132 + parsedID.setToBogus();
1.1133 + parsedTimeType = UTZFMT_TIME_TYPE_UNKNOWN;
1.1134 + parsedPos = tmpPos.getIndex();
1.1135 + }
1.1136 + }
1.1137 + }
1.1138 +
1.1139 + // When ParseOption.ALL_STYLES is available, we also try to look all possible display names and IDs.
1.1140 + // For example, when style is GENERIC_LONG, "EST" (SPECIFIC_SHORT) is never
1.1141 + // used for America/New_York. With parseAllStyles true, this code parses "EST"
1.1142 + // as America/New_York.
1.1143 +
1.1144 + // Note: Adding all possible names into the trie used by the implementation is quite heavy operation,
1.1145 + // which we want to avoid normally (note that we cache the trie, so this is applicable to the
1.1146 + // first time only as long as the cache does not expire).
1.1147 +
1.1148 + if (parseOptions & UTZFMT_PARSE_OPTION_ALL_STYLES) {
1.1149 + // Try all specific names and exemplar location names
1.1150 + if (parsedPos < maxPos) {
1.1151 + LocalPointer<TimeZoneNames::MatchInfoCollection> specificMatches(fTimeZoneNames->find(text, startIdx, ALL_SIMPLE_NAME_TYPES, status));
1.1152 + if (U_FAILURE(status)) {
1.1153 + pos.setErrorIndex(startIdx);
1.1154 + return NULL;
1.1155 + }
1.1156 + int32_t specificMatchIdx = -1;
1.1157 + int32_t matchPos = -1;
1.1158 + if (!specificMatches.isNull()) {
1.1159 + for (int32_t i = 0; i < specificMatches->size(); i++) {
1.1160 + if (startIdx + specificMatches->getMatchLengthAt(i) > matchPos) {
1.1161 + specificMatchIdx = i;
1.1162 + matchPos = startIdx + specificMatches->getMatchLengthAt(i);
1.1163 + }
1.1164 + }
1.1165 + }
1.1166 + if (parsedPos < matchPos) {
1.1167 + U_ASSERT(specificMatchIdx >= 0);
1.1168 + parsedPos = matchPos;
1.1169 + getTimeZoneID(specificMatches.getAlias(), specificMatchIdx, parsedID);
1.1170 + parsedTimeType = getTimeType(specificMatches->getNameTypeAt(specificMatchIdx));
1.1171 + parsedOffset = UNKNOWN_OFFSET;
1.1172 + }
1.1173 + }
1.1174 + // Try generic names
1.1175 + if (parsedPos < maxPos) {
1.1176 + int32_t genMatchLen = -1;
1.1177 + UTimeZoneFormatTimeType tt = UTZFMT_TIME_TYPE_UNKNOWN;
1.1178 +
1.1179 + const TimeZoneGenericNames *gnames = getTimeZoneGenericNames(status);
1.1180 + if (U_SUCCESS(status)) {
1.1181 + genMatchLen = gnames->findBestMatch(text, startIdx, ALL_GENERIC_NAME_TYPES, tzID, tt, status);
1.1182 + }
1.1183 + if (U_FAILURE(status)) {
1.1184 + pos.setErrorIndex(startIdx);
1.1185 + return NULL;
1.1186 + }
1.1187 +
1.1188 + if (parsedPos < startIdx + genMatchLen) {
1.1189 + parsedPos = startIdx + genMatchLen;
1.1190 + parsedID.setTo(tzID);
1.1191 + parsedTimeType = tt;
1.1192 + parsedOffset = UNKNOWN_OFFSET;
1.1193 + }
1.1194 + }
1.1195 +
1.1196 + // Try time zone ID
1.1197 + if (parsedPos < maxPos && (evaluated & STYLE_PARSE_FLAGS[UTZFMT_STYLE_ZONE_ID]) == 0) {
1.1198 + tmpPos.setIndex(startIdx);
1.1199 + tmpPos.setErrorIndex(-1);
1.1200 +
1.1201 + parseZoneID(text, tmpPos, tzID);
1.1202 + if (tmpPos.getErrorIndex() == -1 && parsedPos < tmpPos.getIndex()) {
1.1203 + parsedPos = tmpPos.getIndex();
1.1204 + parsedID.setTo(tzID);
1.1205 + parsedTimeType = UTZFMT_TIME_TYPE_UNKNOWN;
1.1206 + parsedOffset = UNKNOWN_OFFSET;
1.1207 + }
1.1208 + }
1.1209 + // Try short time zone ID
1.1210 + if (parsedPos < maxPos && (evaluated & STYLE_PARSE_FLAGS[UTZFMT_STYLE_ZONE_ID]) == 0) {
1.1211 + tmpPos.setIndex(startIdx);
1.1212 + tmpPos.setErrorIndex(-1);
1.1213 +
1.1214 + parseShortZoneID(text, tmpPos, tzID);
1.1215 + if (tmpPos.getErrorIndex() == -1 && parsedPos < tmpPos.getIndex()) {
1.1216 + parsedPos = tmpPos.getIndex();
1.1217 + parsedID.setTo(tzID);
1.1218 + parsedTimeType = UTZFMT_TIME_TYPE_UNKNOWN;
1.1219 + parsedOffset = UNKNOWN_OFFSET;
1.1220 + }
1.1221 + }
1.1222 + }
1.1223 +
1.1224 + if (parsedPos > startIdx) {
1.1225 + // Parsed successfully
1.1226 + TimeZone* parsedTZ;
1.1227 + if (parsedID.length() > 0) {
1.1228 + parsedTZ = TimeZone::createTimeZone(parsedID);
1.1229 + } else {
1.1230 + U_ASSERT(parsedOffset != UNKNOWN_OFFSET);
1.1231 + parsedTZ = createTimeZoneForOffset(parsedOffset);
1.1232 + }
1.1233 + if (timeType) {
1.1234 + *timeType = parsedTimeType;
1.1235 + }
1.1236 + pos.setIndex(parsedPos);
1.1237 + return parsedTZ;
1.1238 + }
1.1239 +
1.1240 + pos.setErrorIndex(startIdx);
1.1241 + return NULL;
1.1242 +}
1.1243 +
1.1244 +void
1.1245 +TimeZoneFormat::parseObject(const UnicodeString& source, Formattable& result,
1.1246 + ParsePosition& parse_pos) const {
1.1247 + result.adoptObject(parse(UTZFMT_STYLE_GENERIC_LOCATION, source, parse_pos, UTZFMT_PARSE_OPTION_ALL_STYLES));
1.1248 +}
1.1249 +
1.1250 +
1.1251 +// ------------------------------------------------------------------
1.1252 +// Private zone name format/parse implementation
1.1253 +
1.1254 +UnicodeString&
1.1255 +TimeZoneFormat::formatGeneric(const TimeZone& tz, int32_t genType, UDate date, UnicodeString& name) const {
1.1256 + UErrorCode status = U_ZERO_ERROR;
1.1257 + const TimeZoneGenericNames* gnames = getTimeZoneGenericNames(status);
1.1258 + if (U_FAILURE(status)) {
1.1259 + name.setToBogus();
1.1260 + return name;
1.1261 + }
1.1262 +
1.1263 + if (genType == UTZGNM_LOCATION) {
1.1264 + const UChar* canonicalID = ZoneMeta::getCanonicalCLDRID(tz);
1.1265 + if (canonicalID == NULL) {
1.1266 + name.setToBogus();
1.1267 + return name;
1.1268 + }
1.1269 + return gnames->getGenericLocationName(UnicodeString(canonicalID), name);
1.1270 + }
1.1271 + return gnames->getDisplayName(tz, (UTimeZoneGenericNameType)genType, date, name);
1.1272 +}
1.1273 +
1.1274 +UnicodeString&
1.1275 +TimeZoneFormat::formatSpecific(const TimeZone& tz, UTimeZoneNameType stdType, UTimeZoneNameType dstType,
1.1276 + UDate date, UnicodeString& name, UTimeZoneFormatTimeType *timeType) const {
1.1277 + if (fTimeZoneNames == NULL) {
1.1278 + name.setToBogus();
1.1279 + return name;
1.1280 + }
1.1281 +
1.1282 + UErrorCode status = U_ZERO_ERROR;
1.1283 + UBool isDaylight = tz.inDaylightTime(date, status);
1.1284 + const UChar* canonicalID = ZoneMeta::getCanonicalCLDRID(tz);
1.1285 +
1.1286 + if (U_FAILURE(status) || canonicalID == NULL) {
1.1287 + name.setToBogus();
1.1288 + return name;
1.1289 + }
1.1290 +
1.1291 + if (isDaylight) {
1.1292 + fTimeZoneNames->getDisplayName(UnicodeString(canonicalID), dstType, date, name);
1.1293 + } else {
1.1294 + fTimeZoneNames->getDisplayName(UnicodeString(canonicalID), stdType, date, name);
1.1295 + }
1.1296 +
1.1297 + if (timeType && !name.isEmpty()) {
1.1298 + *timeType = isDaylight ? UTZFMT_TIME_TYPE_DAYLIGHT : UTZFMT_TIME_TYPE_STANDARD;
1.1299 + }
1.1300 + return name;
1.1301 +}
1.1302 +
1.1303 +const TimeZoneGenericNames*
1.1304 +TimeZoneFormat::getTimeZoneGenericNames(UErrorCode& status) const {
1.1305 + if (U_FAILURE(status)) {
1.1306 + return NULL;
1.1307 + }
1.1308 +
1.1309 + umtx_lock(&gLock);
1.1310 + if (fTimeZoneGenericNames == NULL) {
1.1311 + TimeZoneFormat *nonConstThis = const_cast<TimeZoneFormat *>(this);
1.1312 + nonConstThis->fTimeZoneGenericNames = TimeZoneGenericNames::createInstance(fLocale, status);
1.1313 + }
1.1314 + umtx_unlock(&gLock);
1.1315 +
1.1316 + return fTimeZoneGenericNames;
1.1317 +}
1.1318 +
1.1319 +UnicodeString&
1.1320 +TimeZoneFormat::formatExemplarLocation(const TimeZone& tz, UnicodeString& name) const {
1.1321 + UnicodeString location;
1.1322 + const UChar* canonicalID = ZoneMeta::getCanonicalCLDRID(tz);
1.1323 +
1.1324 + if (canonicalID) {
1.1325 + fTimeZoneNames->getExemplarLocationName(UnicodeString(canonicalID), location);
1.1326 + }
1.1327 + if (location.length() > 0) {
1.1328 + name.setTo(location);
1.1329 + } else {
1.1330 + // Use "unknown" location
1.1331 + fTimeZoneNames->getExemplarLocationName(UnicodeString(UNKNOWN_ZONE_ID), location);
1.1332 + if (location.length() > 0) {
1.1333 + name.setTo(location);
1.1334 + } else {
1.1335 + // last resort
1.1336 + name.setTo(UNKNOWN_LOCATION, -1);
1.1337 + }
1.1338 + }
1.1339 + return name;
1.1340 +}
1.1341 +
1.1342 +
1.1343 +// ------------------------------------------------------------------
1.1344 +// Zone offset format and parse
1.1345 +
1.1346 +UnicodeString&
1.1347 +TimeZoneFormat::formatOffsetISO8601Basic(int32_t offset, UBool useUtcIndicator, UBool isShort, UBool ignoreSeconds,
1.1348 + UnicodeString& result, UErrorCode& status) const {
1.1349 + return formatOffsetISO8601(offset, TRUE, useUtcIndicator, isShort, ignoreSeconds, result, status);
1.1350 +}
1.1351 +
1.1352 +UnicodeString&
1.1353 +TimeZoneFormat::formatOffsetISO8601Extended(int32_t offset, UBool useUtcIndicator, UBool isShort, UBool ignoreSeconds,
1.1354 + UnicodeString& result, UErrorCode& status) const {
1.1355 + return formatOffsetISO8601(offset, FALSE, useUtcIndicator, isShort, ignoreSeconds, result, status);
1.1356 +}
1.1357 +
1.1358 +UnicodeString&
1.1359 +TimeZoneFormat::formatOffsetLocalizedGMT(int32_t offset, UnicodeString& result, UErrorCode& status) const {
1.1360 + return formatOffsetLocalizedGMT(offset, FALSE, result, status);
1.1361 +}
1.1362 +
1.1363 +UnicodeString&
1.1364 +TimeZoneFormat::formatOffsetShortLocalizedGMT(int32_t offset, UnicodeString& result, UErrorCode& status) const {
1.1365 + return formatOffsetLocalizedGMT(offset, TRUE, result, status);
1.1366 +}
1.1367 +
1.1368 +int32_t
1.1369 +TimeZoneFormat::parseOffsetISO8601(const UnicodeString& text, ParsePosition& pos) const {
1.1370 + return parseOffsetISO8601(text, pos, FALSE);
1.1371 +}
1.1372 +
1.1373 +int32_t
1.1374 +TimeZoneFormat::parseOffsetLocalizedGMT(const UnicodeString& text, ParsePosition& pos) const {
1.1375 + return parseOffsetLocalizedGMT(text, pos, FALSE, NULL);
1.1376 +}
1.1377 +
1.1378 +int32_t
1.1379 +TimeZoneFormat::parseOffsetShortLocalizedGMT(const UnicodeString& text, ParsePosition& pos) const {
1.1380 + return parseOffsetLocalizedGMT(text, pos, TRUE, NULL);
1.1381 +}
1.1382 +
1.1383 +// ------------------------------------------------------------------
1.1384 +// Private zone offset format/parse implementation
1.1385 +
1.1386 +UnicodeString&
1.1387 +TimeZoneFormat::formatOffsetISO8601(int32_t offset, UBool isBasic, UBool useUtcIndicator,
1.1388 + UBool isShort, UBool ignoreSeconds, UnicodeString& result, UErrorCode& status) const {
1.1389 + if (U_FAILURE(status)) {
1.1390 + result.setToBogus();
1.1391 + return result;
1.1392 + }
1.1393 + int32_t absOffset = offset < 0 ? -offset : offset;
1.1394 + if (useUtcIndicator && (absOffset < MILLIS_PER_SECOND || (ignoreSeconds && absOffset < MILLIS_PER_MINUTE))) {
1.1395 + result.setTo(ISO8601_UTC);
1.1396 + return result;
1.1397 + }
1.1398 +
1.1399 + OffsetFields minFields = isShort ? FIELDS_H : FIELDS_HM;
1.1400 + OffsetFields maxFields = ignoreSeconds ? FIELDS_HM : FIELDS_HMS;
1.1401 + UChar sep = isBasic ? 0 : ISO8601_SEP;
1.1402 +
1.1403 + // Note: FIELDS_HMS as maxFields is a CLDR/ICU extension. ISO 8601 specification does
1.1404 + // not support seconds field.
1.1405 +
1.1406 + if (absOffset >= MAX_OFFSET) {
1.1407 + result.setToBogus();
1.1408 + status = U_ILLEGAL_ARGUMENT_ERROR;
1.1409 + return result;
1.1410 + }
1.1411 +
1.1412 + int fields[3];
1.1413 + fields[0] = absOffset / MILLIS_PER_HOUR;
1.1414 + absOffset = absOffset % MILLIS_PER_HOUR;
1.1415 + fields[1] = absOffset / MILLIS_PER_MINUTE;
1.1416 + absOffset = absOffset % MILLIS_PER_MINUTE;
1.1417 + fields[2] = absOffset / MILLIS_PER_SECOND;
1.1418 +
1.1419 + U_ASSERT(fields[0] >= 0 && fields[0] <= MAX_OFFSET_HOUR);
1.1420 + U_ASSERT(fields[1] >= 0 && fields[1] <= MAX_OFFSET_MINUTE);
1.1421 + U_ASSERT(fields[2] >= 0 && fields[2] <= MAX_OFFSET_SECOND);
1.1422 +
1.1423 + int32_t lastIdx = maxFields;
1.1424 + while (lastIdx > minFields) {
1.1425 + if (fields[lastIdx] != 0) {
1.1426 + break;
1.1427 + }
1.1428 + lastIdx--;
1.1429 + }
1.1430 +
1.1431 + UChar sign = PLUS;
1.1432 + if (offset < 0) {
1.1433 + // if all output fields are 0s, do not use negative sign
1.1434 + for (int32_t idx = 0; idx <= lastIdx; idx++) {
1.1435 + if (fields[idx] != 0) {
1.1436 + sign = MINUS;
1.1437 + break;
1.1438 + }
1.1439 + }
1.1440 + }
1.1441 + result.setTo(sign);
1.1442 +
1.1443 + for (int32_t idx = 0; idx <= lastIdx; idx++) {
1.1444 + if (sep && idx != 0) {
1.1445 + result.append(sep);
1.1446 + }
1.1447 + result.append((UChar)(0x0030 + fields[idx]/10));
1.1448 + result.append((UChar)(0x0030 + fields[idx]%10));
1.1449 + }
1.1450 +
1.1451 + return result;
1.1452 +}
1.1453 +
1.1454 +UnicodeString&
1.1455 +TimeZoneFormat::formatOffsetLocalizedGMT(int32_t offset, UBool isShort, UnicodeString& result, UErrorCode& status) const {
1.1456 + if (U_FAILURE(status)) {
1.1457 + result.setToBogus();
1.1458 + return result;
1.1459 + }
1.1460 + if (offset <= -MAX_OFFSET || offset >= MAX_OFFSET) {
1.1461 + result.setToBogus();
1.1462 + status = U_ILLEGAL_ARGUMENT_ERROR;
1.1463 + return result;
1.1464 + }
1.1465 +
1.1466 + if (offset == 0) {
1.1467 + result.setTo(fGMTZeroFormat);
1.1468 + return result;
1.1469 + }
1.1470 +
1.1471 + UBool positive = TRUE;
1.1472 + if (offset < 0) {
1.1473 + offset = -offset;
1.1474 + positive = FALSE;
1.1475 + }
1.1476 +
1.1477 + int32_t offsetH = offset / MILLIS_PER_HOUR;
1.1478 + offset = offset % MILLIS_PER_HOUR;
1.1479 + int32_t offsetM = offset / MILLIS_PER_MINUTE;
1.1480 + offset = offset % MILLIS_PER_MINUTE;
1.1481 + int32_t offsetS = offset / MILLIS_PER_SECOND;
1.1482 +
1.1483 + U_ASSERT(offsetH <= MAX_OFFSET_HOUR && offsetM <= MAX_OFFSET_MINUTE && offsetS <= MAX_OFFSET_SECOND);
1.1484 +
1.1485 + const UVector* offsetPatternItems = NULL;
1.1486 + if (positive) {
1.1487 + if (offsetS != 0) {
1.1488 + offsetPatternItems = fGMTOffsetPatternItems[UTZFMT_PAT_POSITIVE_HMS];
1.1489 + } else if (offsetM != 0 || !isShort) {
1.1490 + offsetPatternItems = fGMTOffsetPatternItems[UTZFMT_PAT_POSITIVE_HM];
1.1491 + } else {
1.1492 + offsetPatternItems = fGMTOffsetPatternItems[UTZFMT_PAT_POSITIVE_H];
1.1493 + }
1.1494 + } else {
1.1495 + if (offsetS != 0) {
1.1496 + offsetPatternItems = fGMTOffsetPatternItems[UTZFMT_PAT_NEGATIVE_HMS];
1.1497 + } else if (offsetM != 0 || !isShort) {
1.1498 + offsetPatternItems = fGMTOffsetPatternItems[UTZFMT_PAT_NEGATIVE_HM];
1.1499 + } else {
1.1500 + offsetPatternItems = fGMTOffsetPatternItems[UTZFMT_PAT_NEGATIVE_H];
1.1501 + }
1.1502 + }
1.1503 +
1.1504 + U_ASSERT(offsetPatternItems != NULL);
1.1505 +
1.1506 + // Building the GMT format string
1.1507 + result.setTo(fGMTPatternPrefix);
1.1508 +
1.1509 + for (int32_t i = 0; i < offsetPatternItems->size(); i++) {
1.1510 + const GMTOffsetField* item = (GMTOffsetField*)offsetPatternItems->elementAt(i);
1.1511 + GMTOffsetField::FieldType type = item->getType();
1.1512 +
1.1513 + switch (type) {
1.1514 + case GMTOffsetField::TEXT:
1.1515 + result.append(item->getPatternText(), -1);
1.1516 + break;
1.1517 +
1.1518 + case GMTOffsetField::HOUR:
1.1519 + appendOffsetDigits(result, offsetH, (isShort ? 1 : 2));
1.1520 + break;
1.1521 +
1.1522 + case GMTOffsetField::MINUTE:
1.1523 + appendOffsetDigits(result, offsetM, 2);
1.1524 + break;
1.1525 +
1.1526 + case GMTOffsetField::SECOND:
1.1527 + appendOffsetDigits(result, offsetS, 2);
1.1528 + break;
1.1529 + }
1.1530 + }
1.1531 +
1.1532 + result.append(fGMTPatternSuffix);
1.1533 + return result;
1.1534 +}
1.1535 +
1.1536 +int32_t
1.1537 +TimeZoneFormat::parseOffsetISO8601(const UnicodeString& text, ParsePosition& pos, UBool extendedOnly, UBool* hasDigitOffset /* = NULL */) const {
1.1538 + if (hasDigitOffset) {
1.1539 + *hasDigitOffset = FALSE;
1.1540 + }
1.1541 + int32_t start = pos.getIndex();
1.1542 + if (start >= text.length()) {
1.1543 + pos.setErrorIndex(start);
1.1544 + return 0;
1.1545 + }
1.1546 +
1.1547 + UChar firstChar = text.charAt(start);
1.1548 + if (firstChar == ISO8601_UTC || firstChar == (UChar)(ISO8601_UTC + 0x20)) {
1.1549 + // "Z" (or "z") - indicates UTC
1.1550 + pos.setIndex(start + 1);
1.1551 + return 0;
1.1552 + }
1.1553 +
1.1554 + int32_t sign = 1;
1.1555 + if (firstChar == PLUS) {
1.1556 + sign = 1;
1.1557 + } else if (firstChar == MINUS) {
1.1558 + sign = -1;
1.1559 + } else {
1.1560 + // Not an ISO 8601 offset string
1.1561 + pos.setErrorIndex(start);
1.1562 + return 0;
1.1563 + }
1.1564 + ParsePosition posOffset(start + 1);
1.1565 + int32_t offset = parseAsciiOffsetFields(text, posOffset, ISO8601_SEP, FIELDS_H, FIELDS_HMS);
1.1566 + if (posOffset.getErrorIndex() == -1 && !extendedOnly && (posOffset.getIndex() - start <= 3)) {
1.1567 + // If the text is successfully parsed as extended format with the options above, it can be also parsed
1.1568 + // as basic format. For example, "0230" can be parsed as offset 2:00 (only first digits are valid for
1.1569 + // extended format), but it can be parsed as offset 2:30 with basic format. We use longer result.
1.1570 + ParsePosition posBasic(start + 1);
1.1571 + int32_t tmpOffset = parseAbuttingAsciiOffsetFields(text, posBasic, FIELDS_H, FIELDS_HMS, FALSE);
1.1572 + if (posBasic.getErrorIndex() == -1 && posBasic.getIndex() > posOffset.getIndex()) {
1.1573 + offset = tmpOffset;
1.1574 + posOffset.setIndex(posBasic.getIndex());
1.1575 + }
1.1576 + }
1.1577 +
1.1578 + if (posOffset.getErrorIndex() != -1) {
1.1579 + pos.setErrorIndex(start);
1.1580 + return 0;
1.1581 + }
1.1582 +
1.1583 + pos.setIndex(posOffset.getIndex());
1.1584 + if (hasDigitOffset) {
1.1585 + *hasDigitOffset = TRUE;
1.1586 + }
1.1587 + return sign * offset;
1.1588 +}
1.1589 +
1.1590 +int32_t
1.1591 +TimeZoneFormat::parseOffsetLocalizedGMT(const UnicodeString& text, ParsePosition& pos, UBool isShort, UBool* hasDigitOffset) const {
1.1592 + int32_t start = pos.getIndex();
1.1593 + int32_t offset = 0;
1.1594 + int32_t parsedLength = 0;
1.1595 +
1.1596 + if (hasDigitOffset) {
1.1597 + *hasDigitOffset = FALSE;
1.1598 + }
1.1599 +
1.1600 + offset = parseOffsetLocalizedGMTPattern(text, start, isShort, parsedLength);
1.1601 +
1.1602 + // For now, parseOffsetLocalizedGMTPattern handles both long and short
1.1603 + // formats, no matter isShort is true or false. This might be changed in future
1.1604 + // when strict parsing is necessary, or different set of patterns are used for
1.1605 + // short/long formats.
1.1606 +#if 0
1.1607 + if (parsedLength == 0) {
1.1608 + offset = parseOffsetLocalizedGMTPattern(text, start, !isShort, parsedLength);
1.1609 + }
1.1610 +#endif
1.1611 +
1.1612 + if (parsedLength > 0) {
1.1613 + if (hasDigitOffset) {
1.1614 + *hasDigitOffset = TRUE;
1.1615 + }
1.1616 + pos.setIndex(start + parsedLength);
1.1617 + return offset;
1.1618 + }
1.1619 +
1.1620 + // Try the default patterns
1.1621 + offset = parseOffsetDefaultLocalizedGMT(text, start, parsedLength);
1.1622 + if (parsedLength > 0) {
1.1623 + if (hasDigitOffset) {
1.1624 + *hasDigitOffset = TRUE;
1.1625 + }
1.1626 + pos.setIndex(start + parsedLength);
1.1627 + return offset;
1.1628 + }
1.1629 +
1.1630 + // Check if this is a GMT zero format
1.1631 + if (text.caseCompare(start, fGMTZeroFormat.length(), fGMTZeroFormat, 0) == 0) {
1.1632 + pos.setIndex(start + fGMTZeroFormat.length());
1.1633 + return 0;
1.1634 + }
1.1635 +
1.1636 + // Check if this is a default GMT zero format
1.1637 + for (int32_t i = 0; ALT_GMT_STRINGS[i][0] != 0; i++) {
1.1638 + const UChar* defGMTZero = ALT_GMT_STRINGS[i];
1.1639 + int32_t defGMTZeroLen = u_strlen(defGMTZero);
1.1640 + if (text.caseCompare(start, defGMTZeroLen, defGMTZero, 0) == 0) {
1.1641 + pos.setIndex(start + defGMTZeroLen);
1.1642 + return 0;
1.1643 + }
1.1644 + }
1.1645 +
1.1646 + // Nothing matched
1.1647 + pos.setErrorIndex(start);
1.1648 + return 0;
1.1649 +}
1.1650 +
1.1651 +int32_t
1.1652 +TimeZoneFormat::parseOffsetLocalizedGMTPattern(const UnicodeString& text, int32_t start, UBool /*isShort*/, int32_t& parsedLen) const {
1.1653 + int32_t idx = start;
1.1654 + int32_t offset = 0;
1.1655 + UBool parsed = FALSE;
1.1656 +
1.1657 + do {
1.1658 + // Prefix part
1.1659 + int32_t len = fGMTPatternPrefix.length();
1.1660 + if (len > 0 && text.caseCompare(idx, len, fGMTPatternPrefix, 0) != 0) {
1.1661 + // prefix match failed
1.1662 + break;
1.1663 + }
1.1664 + idx += len;
1.1665 +
1.1666 + // Offset part
1.1667 + offset = parseOffsetFields(text, idx, FALSE, len);
1.1668 + if (len == 0) {
1.1669 + // offset field match failed
1.1670 + break;
1.1671 + }
1.1672 + idx += len;
1.1673 +
1.1674 + len = fGMTPatternSuffix.length();
1.1675 + if (len > 0 && text.caseCompare(idx, len, fGMTPatternSuffix, 0) != 0) {
1.1676 + // no suffix match
1.1677 + break;
1.1678 + }
1.1679 + idx += len;
1.1680 + parsed = TRUE;
1.1681 + } while (FALSE);
1.1682 +
1.1683 + parsedLen = parsed ? idx - start : 0;
1.1684 + return offset;
1.1685 +}
1.1686 +
1.1687 +int32_t
1.1688 +TimeZoneFormat::parseOffsetFields(const UnicodeString& text, int32_t start, UBool /*isShort*/, int32_t& parsedLen) const {
1.1689 + int32_t outLen = 0;
1.1690 + int32_t offset = 0;
1.1691 + int32_t sign = 1;
1.1692 +
1.1693 + parsedLen = 0;
1.1694 +
1.1695 + int32_t offsetH, offsetM, offsetS;
1.1696 + offsetH = offsetM = offsetS = 0;
1.1697 +
1.1698 + for (int32_t patidx = 0; PARSE_GMT_OFFSET_TYPES[patidx] >= 0; patidx++) {
1.1699 + int32_t gmtPatType = PARSE_GMT_OFFSET_TYPES[patidx];
1.1700 + UVector* items = fGMTOffsetPatternItems[gmtPatType];
1.1701 + U_ASSERT(items != NULL);
1.1702 +
1.1703 + outLen = parseOffsetFieldsWithPattern(text, start, items, FALSE, offsetH, offsetM, offsetS);
1.1704 + if (outLen > 0) {
1.1705 + sign = (gmtPatType == UTZFMT_PAT_POSITIVE_H || gmtPatType == UTZFMT_PAT_POSITIVE_HM || gmtPatType == UTZFMT_PAT_POSITIVE_HMS) ?
1.1706 + 1 : -1;
1.1707 + break;
1.1708 + }
1.1709 + }
1.1710 +
1.1711 + if (outLen > 0 && fAbuttingOffsetHoursAndMinutes) {
1.1712 + // When hours field is sabutting minutes field,
1.1713 + // the parse result above may not be appropriate.
1.1714 + // For example, "01020" is parsed as 01:02: above,
1.1715 + // but it should be parsed as 00:10:20.
1.1716 + int32_t tmpLen = 0;
1.1717 + int32_t tmpSign = 1;
1.1718 + int32_t tmpH, tmpM, tmpS;
1.1719 +
1.1720 + for (int32_t patidx = 0; PARSE_GMT_OFFSET_TYPES[patidx] >= 0; patidx++) {
1.1721 + int32_t gmtPatType = PARSE_GMT_OFFSET_TYPES[patidx];
1.1722 + UVector* items = fGMTOffsetPatternItems[gmtPatType];
1.1723 + U_ASSERT(items != NULL);
1.1724 +
1.1725 + // forcing parse to use single hour digit
1.1726 + tmpLen = parseOffsetFieldsWithPattern(text, start, items, TRUE, tmpH, tmpM, tmpS);
1.1727 + if (tmpLen > 0) {
1.1728 + tmpSign = (gmtPatType == UTZFMT_PAT_POSITIVE_H || gmtPatType == UTZFMT_PAT_POSITIVE_HM || gmtPatType == UTZFMT_PAT_POSITIVE_HMS) ?
1.1729 + 1 : -1;
1.1730 + break;
1.1731 + }
1.1732 + }
1.1733 + if (tmpLen > outLen) {
1.1734 + // Better parse result with single hour digit
1.1735 + outLen = tmpLen;
1.1736 + sign = tmpSign;
1.1737 + offsetH = tmpH;
1.1738 + offsetM = tmpM;
1.1739 + offsetS = tmpS;
1.1740 + }
1.1741 + }
1.1742 +
1.1743 + if (outLen > 0) {
1.1744 + offset = ((((offsetH * 60) + offsetM) * 60) + offsetS) * 1000 * sign;
1.1745 + parsedLen = outLen;
1.1746 + }
1.1747 +
1.1748 + return offset;
1.1749 +}
1.1750 +
1.1751 +int32_t
1.1752 +TimeZoneFormat::parseOffsetFieldsWithPattern(const UnicodeString& text, int32_t start,
1.1753 + UVector* patternItems, UBool forceSingleHourDigit, int32_t& hour, int32_t& min, int32_t& sec) const {
1.1754 + UBool failed = FALSE;
1.1755 + int32_t offsetH, offsetM, offsetS;
1.1756 + offsetH = offsetM = offsetS = 0;
1.1757 + int32_t idx = start;
1.1758 +
1.1759 + for (int32_t i = 0; i < patternItems->size(); i++) {
1.1760 + int32_t len = 0;
1.1761 + const GMTOffsetField* field = (const GMTOffsetField*)patternItems->elementAt(i);
1.1762 + GMTOffsetField::FieldType fieldType = field->getType();
1.1763 + if (fieldType == GMTOffsetField::TEXT) {
1.1764 + const UChar* patStr = field->getPatternText();
1.1765 + len = u_strlen(patStr);
1.1766 + if (text.caseCompare(idx, len, patStr, 0) != 0) {
1.1767 + failed = TRUE;
1.1768 + break;
1.1769 + }
1.1770 + idx += len;
1.1771 + } else {
1.1772 + if (fieldType == GMTOffsetField::HOUR) {
1.1773 + uint8_t maxDigits = forceSingleHourDigit ? 1 : 2;
1.1774 + offsetH = parseOffsetFieldWithLocalizedDigits(text, idx, 1, maxDigits, 0, MAX_OFFSET_HOUR, len);
1.1775 + } else if (fieldType == GMTOffsetField::MINUTE) {
1.1776 + offsetM = parseOffsetFieldWithLocalizedDigits(text, idx, 2, 2, 0, MAX_OFFSET_MINUTE, len);
1.1777 + } else if (fieldType == GMTOffsetField::SECOND) {
1.1778 + offsetS = parseOffsetFieldWithLocalizedDigits(text, idx, 2, 2, 0, MAX_OFFSET_SECOND, len);
1.1779 + }
1.1780 +
1.1781 + if (len == 0) {
1.1782 + failed = TRUE;
1.1783 + break;
1.1784 + }
1.1785 + idx += len;
1.1786 + }
1.1787 + }
1.1788 +
1.1789 + if (failed) {
1.1790 + hour = min = sec = 0;
1.1791 + return 0;
1.1792 + }
1.1793 +
1.1794 + hour = offsetH;
1.1795 + min = offsetM;
1.1796 + sec = offsetS;
1.1797 +
1.1798 + return idx - start;
1.1799 +}
1.1800 +
1.1801 +int32_t
1.1802 +TimeZoneFormat::parseAbuttingOffsetFields(const UnicodeString& text, int32_t start, int32_t& parsedLen) const {
1.1803 + int32_t digits[MAX_OFFSET_DIGITS];
1.1804 + int32_t parsed[MAX_OFFSET_DIGITS]; // accumulative offsets
1.1805 +
1.1806 + // Parse digits into int[]
1.1807 + int32_t idx = start;
1.1808 + int32_t len = 0;
1.1809 + int32_t numDigits = 0;
1.1810 + for (int32_t i = 0; i < MAX_OFFSET_DIGITS; i++) {
1.1811 + digits[i] = parseSingleLocalizedDigit(text, idx, len);
1.1812 + if (digits[i] < 0) {
1.1813 + break;
1.1814 + }
1.1815 + idx += len;
1.1816 + parsed[i] = idx - start;
1.1817 + numDigits++;
1.1818 + }
1.1819 +
1.1820 + if (numDigits == 0) {
1.1821 + parsedLen = 0;
1.1822 + return 0;
1.1823 + }
1.1824 +
1.1825 + int32_t offset = 0;
1.1826 + while (numDigits > 0) {
1.1827 + int32_t hour = 0;
1.1828 + int32_t min = 0;
1.1829 + int32_t sec = 0;
1.1830 +
1.1831 + U_ASSERT(numDigits > 0 && numDigits <= MAX_OFFSET_DIGITS);
1.1832 + switch (numDigits) {
1.1833 + case 1: // H
1.1834 + hour = digits[0];
1.1835 + break;
1.1836 + case 2: // HH
1.1837 + hour = digits[0] * 10 + digits[1];
1.1838 + break;
1.1839 + case 3: // Hmm
1.1840 + hour = digits[0];
1.1841 + min = digits[1] * 10 + digits[2];
1.1842 + break;
1.1843 + case 4: // HHmm
1.1844 + hour = digits[0] * 10 + digits[1];
1.1845 + min = digits[2] * 10 + digits[3];
1.1846 + break;
1.1847 + case 5: // Hmmss
1.1848 + hour = digits[0];
1.1849 + min = digits[1] * 10 + digits[2];
1.1850 + sec = digits[3] * 10 + digits[4];
1.1851 + break;
1.1852 + case 6: // HHmmss
1.1853 + hour = digits[0] * 10 + digits[1];
1.1854 + min = digits[2] * 10 + digits[3];
1.1855 + sec = digits[4] * 10 + digits[5];
1.1856 + break;
1.1857 + }
1.1858 + if (hour <= MAX_OFFSET_HOUR && min <= MAX_OFFSET_MINUTE && sec <= MAX_OFFSET_SECOND) {
1.1859 + // found a valid combination
1.1860 + offset = hour * MILLIS_PER_HOUR + min * MILLIS_PER_MINUTE + sec * MILLIS_PER_SECOND;
1.1861 + parsedLen = parsed[numDigits - 1];
1.1862 + break;
1.1863 + }
1.1864 + numDigits--;
1.1865 + }
1.1866 + return offset;
1.1867 +}
1.1868 +
1.1869 +int32_t
1.1870 +TimeZoneFormat::parseOffsetDefaultLocalizedGMT(const UnicodeString& text, int start, int32_t& parsedLen) const {
1.1871 + int32_t idx = start;
1.1872 + int32_t offset = 0;
1.1873 + int32_t parsed = 0;
1.1874 +
1.1875 + do {
1.1876 + // check global default GMT alternatives
1.1877 + int32_t gmtLen = 0;
1.1878 +
1.1879 + for (int32_t i = 0; ALT_GMT_STRINGS[i][0] != 0; i++) {
1.1880 + const UChar* gmt = ALT_GMT_STRINGS[i];
1.1881 + int32_t len = u_strlen(gmt);
1.1882 + if (text.caseCompare(start, len, gmt, 0) == 0) {
1.1883 + gmtLen = len;
1.1884 + break;
1.1885 + }
1.1886 + }
1.1887 + if (gmtLen == 0) {
1.1888 + break;
1.1889 + }
1.1890 + idx += gmtLen;
1.1891 +
1.1892 + // offset needs a sign char and a digit at minimum
1.1893 + if (idx + 1 >= text.length()) {
1.1894 + break;
1.1895 + }
1.1896 +
1.1897 + // parse sign
1.1898 + int32_t sign = 1;
1.1899 + UChar c = text.charAt(idx);
1.1900 + if (c == PLUS) {
1.1901 + sign = 1;
1.1902 + } else if (c == MINUS) {
1.1903 + sign = -1;
1.1904 + } else {
1.1905 + break;
1.1906 + }
1.1907 + idx++;
1.1908 +
1.1909 + // offset part
1.1910 + // try the default pattern with the separator first
1.1911 + int32_t lenWithSep = 0;
1.1912 + int32_t offsetWithSep = parseDefaultOffsetFields(text, idx, DEFAULT_GMT_OFFSET_SEP, lenWithSep);
1.1913 + if (lenWithSep == text.length() - idx) {
1.1914 + // maximum match
1.1915 + offset = offsetWithSep * sign;
1.1916 + idx += lenWithSep;
1.1917 + } else {
1.1918 + // try abutting field pattern
1.1919 + int32_t lenAbut = 0;
1.1920 + int32_t offsetAbut = parseAbuttingOffsetFields(text, idx, lenAbut);
1.1921 +
1.1922 + if (lenWithSep > lenAbut) {
1.1923 + offset = offsetWithSep * sign;
1.1924 + idx += lenWithSep;
1.1925 + } else {
1.1926 + offset = offsetAbut * sign;
1.1927 + idx += lenAbut;
1.1928 + }
1.1929 + }
1.1930 + parsed = idx - start;
1.1931 + } while (false);
1.1932 +
1.1933 + parsedLen = parsed;
1.1934 + return offset;
1.1935 +}
1.1936 +
1.1937 +int32_t
1.1938 +TimeZoneFormat::parseDefaultOffsetFields(const UnicodeString& text, int32_t start, UChar separator, int32_t& parsedLen) const {
1.1939 + int32_t max = text.length();
1.1940 + int32_t idx = start;
1.1941 + int32_t len = 0;
1.1942 + int32_t hour = 0, min = 0, sec = 0;
1.1943 +
1.1944 + parsedLen = 0;
1.1945 +
1.1946 + do {
1.1947 + hour = parseOffsetFieldWithLocalizedDigits(text, idx, 1, 2, 0, MAX_OFFSET_HOUR, len);
1.1948 + if (len == 0) {
1.1949 + break;
1.1950 + }
1.1951 + idx += len;
1.1952 +
1.1953 + if (idx + 1 < max && text.charAt(idx) == separator) {
1.1954 + min = parseOffsetFieldWithLocalizedDigits(text, idx + 1, 2, 2, 0, MAX_OFFSET_MINUTE, len);
1.1955 + if (len == 0) {
1.1956 + break;
1.1957 + }
1.1958 + idx += (1 + len);
1.1959 +
1.1960 + if (idx + 1 < max && text.charAt(idx) == separator) {
1.1961 + sec = parseOffsetFieldWithLocalizedDigits(text, idx + 1, 2, 2, 0, MAX_OFFSET_SECOND, len);
1.1962 + if (len == 0) {
1.1963 + break;
1.1964 + }
1.1965 + idx += (1 + len);
1.1966 + }
1.1967 + }
1.1968 + } while (FALSE);
1.1969 +
1.1970 + if (idx == start) {
1.1971 + return 0;
1.1972 + }
1.1973 +
1.1974 + parsedLen = idx - start;
1.1975 + return hour * MILLIS_PER_HOUR + min * MILLIS_PER_MINUTE + sec * MILLIS_PER_SECOND;
1.1976 +}
1.1977 +
1.1978 +int32_t
1.1979 +TimeZoneFormat::parseOffsetFieldWithLocalizedDigits(const UnicodeString& text, int32_t start, uint8_t minDigits, uint8_t maxDigits, uint16_t minVal, uint16_t maxVal, int32_t& parsedLen) const {
1.1980 + parsedLen = 0;
1.1981 +
1.1982 + int32_t decVal = 0;
1.1983 + int32_t numDigits = 0;
1.1984 + int32_t idx = start;
1.1985 + int32_t digitLen = 0;
1.1986 +
1.1987 + while (idx < text.length() && numDigits < maxDigits) {
1.1988 + int32_t digit = parseSingleLocalizedDigit(text, idx, digitLen);
1.1989 + if (digit < 0) {
1.1990 + break;
1.1991 + }
1.1992 + int32_t tmpVal = decVal * 10 + digit;
1.1993 + if (tmpVal > maxVal) {
1.1994 + break;
1.1995 + }
1.1996 + decVal = tmpVal;
1.1997 + numDigits++;
1.1998 + idx += digitLen;
1.1999 + }
1.2000 +
1.2001 + // Note: maxVal is checked in the while loop
1.2002 + if (numDigits < minDigits || decVal < minVal) {
1.2003 + decVal = -1;
1.2004 + numDigits = 0;
1.2005 + } else {
1.2006 + parsedLen = idx - start;
1.2007 + }
1.2008 +
1.2009 + return decVal;
1.2010 +}
1.2011 +
1.2012 +int32_t
1.2013 +TimeZoneFormat::parseSingleLocalizedDigit(const UnicodeString& text, int32_t start, int32_t& len) const {
1.2014 + int32_t digit = -1;
1.2015 + len = 0;
1.2016 + if (start < text.length()) {
1.2017 + UChar32 cp = text.char32At(start);
1.2018 +
1.2019 + // First, try digits configured for this instance
1.2020 + for (int32_t i = 0; i < 10; i++) {
1.2021 + if (cp == fGMTOffsetDigits[i]) {
1.2022 + digit = i;
1.2023 + break;
1.2024 + }
1.2025 + }
1.2026 + // If failed, check if this is a Unicode digit
1.2027 + if (digit < 0) {
1.2028 + int32_t tmp = u_charDigitValue(cp);
1.2029 + digit = (tmp >= 0 && tmp <= 9) ? tmp : -1;
1.2030 + }
1.2031 +
1.2032 + if (digit >= 0) {
1.2033 + int32_t next = text.moveIndex32(start, 1);
1.2034 + len = next - start;
1.2035 + }
1.2036 + }
1.2037 + return digit;
1.2038 +}
1.2039 +
1.2040 +UnicodeString&
1.2041 +TimeZoneFormat::formatOffsetWithAsciiDigits(int32_t offset, UChar sep, OffsetFields minFields, OffsetFields maxFields, UnicodeString& result) {
1.2042 + U_ASSERT(maxFields >= minFields);
1.2043 + U_ASSERT(offset > -MAX_OFFSET && offset < MAX_OFFSET);
1.2044 +
1.2045 + UChar sign = PLUS;
1.2046 + if (offset < 0) {
1.2047 + sign = MINUS;
1.2048 + offset = -offset;
1.2049 + }
1.2050 + result.setTo(sign);
1.2051 +
1.2052 + int fields[3];
1.2053 + fields[0] = offset / MILLIS_PER_HOUR;
1.2054 + offset = offset % MILLIS_PER_HOUR;
1.2055 + fields[1] = offset / MILLIS_PER_MINUTE;
1.2056 + offset = offset % MILLIS_PER_MINUTE;
1.2057 + fields[2] = offset / MILLIS_PER_SECOND;
1.2058 +
1.2059 + U_ASSERT(fields[0] >= 0 && fields[0] <= MAX_OFFSET_HOUR);
1.2060 + U_ASSERT(fields[1] >= 0 && fields[1] <= MAX_OFFSET_MINUTE);
1.2061 + U_ASSERT(fields[2] >= 0 && fields[2] <= MAX_OFFSET_SECOND);
1.2062 +
1.2063 + int32_t lastIdx = maxFields;
1.2064 + while (lastIdx > minFields) {
1.2065 + if (fields[lastIdx] != 0) {
1.2066 + break;
1.2067 + }
1.2068 + lastIdx--;
1.2069 + }
1.2070 +
1.2071 + for (int32_t idx = 0; idx <= lastIdx; idx++) {
1.2072 + if (sep && idx != 0) {
1.2073 + result.append(sep);
1.2074 + }
1.2075 + result.append((UChar)(0x0030 + fields[idx]/10));
1.2076 + result.append((UChar)(0x0030 + fields[idx]%10));
1.2077 + }
1.2078 +
1.2079 + return result;
1.2080 +}
1.2081 +
1.2082 +int32_t
1.2083 +TimeZoneFormat::parseAbuttingAsciiOffsetFields(const UnicodeString& text, ParsePosition& pos, OffsetFields minFields, OffsetFields maxFields, UBool fixedHourWidth) {
1.2084 + int32_t start = pos.getIndex();
1.2085 +
1.2086 + int32_t minDigits = 2 * (minFields + 1) - (fixedHourWidth ? 0 : 1);
1.2087 + int32_t maxDigits = 2 * (maxFields + 1);
1.2088 +
1.2089 + U_ASSERT(maxDigits <= MAX_OFFSET_DIGITS);
1.2090 +
1.2091 + int32_t digits[MAX_OFFSET_DIGITS] = {};
1.2092 + int32_t numDigits = 0;
1.2093 + int32_t idx = start;
1.2094 + while (numDigits < maxDigits && idx < text.length()) {
1.2095 + UChar uch = text.charAt(idx);
1.2096 + int32_t digit = DIGIT_VAL(uch);
1.2097 + if (digit < 0) {
1.2098 + break;
1.2099 + }
1.2100 + digits[numDigits] = digit;
1.2101 + numDigits++;
1.2102 + idx++;
1.2103 + }
1.2104 +
1.2105 + if (fixedHourWidth && (numDigits & 1)) {
1.2106 + // Fixed digits, so the number of digits must be even number. Truncating.
1.2107 + numDigits--;
1.2108 + }
1.2109 +
1.2110 + if (numDigits < minDigits) {
1.2111 + pos.setErrorIndex(start);
1.2112 + return 0;
1.2113 + }
1.2114 +
1.2115 + int32_t hour = 0, min = 0, sec = 0;
1.2116 + UBool bParsed = FALSE;
1.2117 + while (numDigits >= minDigits) {
1.2118 + switch (numDigits) {
1.2119 + case 1: //H
1.2120 + hour = digits[0];
1.2121 + break;
1.2122 + case 2: //HH
1.2123 + hour = digits[0] * 10 + digits[1];
1.2124 + break;
1.2125 + case 3: //Hmm
1.2126 + hour = digits[0];
1.2127 + min = digits[1] * 10 + digits[2];
1.2128 + break;
1.2129 + case 4: //HHmm
1.2130 + hour = digits[0] * 10 + digits[1];
1.2131 + min = digits[2] * 10 + digits[3];
1.2132 + break;
1.2133 + case 5: //Hmmss
1.2134 + hour = digits[0];
1.2135 + min = digits[1] * 10 + digits[2];
1.2136 + sec = digits[3] * 10 + digits[4];
1.2137 + break;
1.2138 + case 6: //HHmmss
1.2139 + hour = digits[0] * 10 + digits[1];
1.2140 + min = digits[2] * 10 + digits[3];
1.2141 + sec = digits[4] * 10 + digits[5];
1.2142 + break;
1.2143 + }
1.2144 +
1.2145 + if (hour <= MAX_OFFSET_HOUR && min <= MAX_OFFSET_MINUTE && sec <= MAX_OFFSET_SECOND) {
1.2146 + // Successfully parsed
1.2147 + bParsed = true;
1.2148 + break;
1.2149 + }
1.2150 +
1.2151 + // Truncating
1.2152 + numDigits -= (fixedHourWidth ? 2 : 1);
1.2153 + hour = min = sec = 0;
1.2154 + }
1.2155 +
1.2156 + if (!bParsed) {
1.2157 + pos.setErrorIndex(start);
1.2158 + return 0;
1.2159 + }
1.2160 + pos.setIndex(start + numDigits);
1.2161 + return ((((hour * 60) + min) * 60) + sec) * 1000;
1.2162 +}
1.2163 +
1.2164 +int32_t
1.2165 +TimeZoneFormat::parseAsciiOffsetFields(const UnicodeString& text, ParsePosition& pos, UChar sep, OffsetFields minFields, OffsetFields maxFields) {
1.2166 + int32_t start = pos.getIndex();
1.2167 + int32_t fieldVal[] = {0, 0, 0};
1.2168 + int32_t fieldLen[] = {0, -1, -1};
1.2169 + for (int32_t idx = start, fieldIdx = 0; idx < text.length() && fieldIdx <= maxFields; idx++) {
1.2170 + UChar c = text.charAt(idx);
1.2171 + if (c == sep) {
1.2172 + if (fieldIdx == 0) {
1.2173 + if (fieldLen[0] == 0) {
1.2174 + // no hours field
1.2175 + break;
1.2176 + }
1.2177 + // 1 digit hour, move to next field
1.2178 + } else {
1.2179 + if (fieldLen[fieldIdx] != -1) {
1.2180 + // premature minute or seconds field
1.2181 + break;
1.2182 + }
1.2183 + fieldLen[fieldIdx] = 0;
1.2184 + }
1.2185 + continue;
1.2186 + } else if (fieldLen[fieldIdx] == -1) {
1.2187 + // no separator after 2 digit field
1.2188 + break;
1.2189 + }
1.2190 + int32_t digit = DIGIT_VAL(c);
1.2191 + if (digit < 0) {
1.2192 + // not a digit
1.2193 + break;
1.2194 + }
1.2195 + fieldVal[fieldIdx] = fieldVal[fieldIdx] * 10 + digit;
1.2196 + fieldLen[fieldIdx]++;
1.2197 + if (fieldLen[fieldIdx] >= 2) {
1.2198 + // parsed 2 digits, move to next field
1.2199 + fieldIdx++;
1.2200 + }
1.2201 + }
1.2202 +
1.2203 + int32_t offset = 0;
1.2204 + int32_t parsedLen = 0;
1.2205 + int32_t parsedFields = -1;
1.2206 + do {
1.2207 + // hour
1.2208 + if (fieldLen[0] == 0) {
1.2209 + break;
1.2210 + }
1.2211 + if (fieldVal[0] > MAX_OFFSET_HOUR) {
1.2212 + offset = (fieldVal[0] / 10) * MILLIS_PER_HOUR;
1.2213 + parsedFields = FIELDS_H;
1.2214 + parsedLen = 1;
1.2215 + break;
1.2216 + }
1.2217 + offset = fieldVal[0] * MILLIS_PER_HOUR;
1.2218 + parsedLen = fieldLen[0];
1.2219 + parsedFields = FIELDS_H;
1.2220 +
1.2221 + // minute
1.2222 + if (fieldLen[1] != 2 || fieldVal[1] > MAX_OFFSET_MINUTE) {
1.2223 + break;
1.2224 + }
1.2225 + offset += fieldVal[1] * MILLIS_PER_MINUTE;
1.2226 + parsedLen += (1 + fieldLen[1]);
1.2227 + parsedFields = FIELDS_HM;
1.2228 +
1.2229 + // second
1.2230 + if (fieldLen[2] != 2 || fieldVal[2] > MAX_OFFSET_SECOND) {
1.2231 + break;
1.2232 + }
1.2233 + offset += fieldVal[2] * MILLIS_PER_SECOND;
1.2234 + parsedLen += (1 + fieldLen[2]);
1.2235 + parsedFields = FIELDS_HMS;
1.2236 + } while (false);
1.2237 +
1.2238 + if (parsedFields < minFields) {
1.2239 + pos.setErrorIndex(start);
1.2240 + return 0;
1.2241 + }
1.2242 +
1.2243 + pos.setIndex(start + parsedLen);
1.2244 + return offset;
1.2245 +}
1.2246 +
1.2247 +void
1.2248 +TimeZoneFormat::appendOffsetDigits(UnicodeString& buf, int32_t n, uint8_t minDigits) const {
1.2249 + U_ASSERT(n >= 0 && n < 60);
1.2250 + int32_t numDigits = n >= 10 ? 2 : 1;
1.2251 + for (int32_t i = 0; i < minDigits - numDigits; i++) {
1.2252 + buf.append(fGMTOffsetDigits[0]);
1.2253 + }
1.2254 + if (numDigits == 2) {
1.2255 + buf.append(fGMTOffsetDigits[n / 10]);
1.2256 + }
1.2257 + buf.append(fGMTOffsetDigits[n % 10]);
1.2258 +}
1.2259 +
1.2260 +// ------------------------------------------------------------------
1.2261 +// Private misc
1.2262 +void
1.2263 +TimeZoneFormat::initGMTPattern(const UnicodeString& gmtPattern, UErrorCode& status) {
1.2264 + if (U_FAILURE(status)) {
1.2265 + return;
1.2266 + }
1.2267 + // This implementation not perfect, but sufficient practically.
1.2268 + int32_t idx = gmtPattern.indexOf(ARG0, ARG0_LEN, 0);
1.2269 + if (idx < 0) {
1.2270 + status = U_ILLEGAL_ARGUMENT_ERROR;
1.2271 + return;
1.2272 + }
1.2273 + fGMTPattern.setTo(gmtPattern);
1.2274 + unquote(gmtPattern.tempSubString(0, idx), fGMTPatternPrefix);
1.2275 + unquote(gmtPattern.tempSubString(idx + ARG0_LEN), fGMTPatternSuffix);
1.2276 +}
1.2277 +
1.2278 +UnicodeString&
1.2279 +TimeZoneFormat::unquote(const UnicodeString& pattern, UnicodeString& result) {
1.2280 + if (pattern.indexOf(SINGLEQUOTE) < 0) {
1.2281 + result.setTo(pattern);
1.2282 + return result;
1.2283 + }
1.2284 + result.remove();
1.2285 + UBool isPrevQuote = FALSE;
1.2286 + UBool inQuote = FALSE;
1.2287 + for (int32_t i = 0; i < pattern.length(); i++) {
1.2288 + UChar c = pattern.charAt(i);
1.2289 + if (c == SINGLEQUOTE) {
1.2290 + if (isPrevQuote) {
1.2291 + result.append(c);
1.2292 + isPrevQuote = FALSE;
1.2293 + } else {
1.2294 + isPrevQuote = TRUE;
1.2295 + }
1.2296 + inQuote = !inQuote;
1.2297 + } else {
1.2298 + isPrevQuote = FALSE;
1.2299 + result.append(c);
1.2300 + }
1.2301 + }
1.2302 + return result;
1.2303 +}
1.2304 +
1.2305 +UVector*
1.2306 +TimeZoneFormat::parseOffsetPattern(const UnicodeString& pattern, OffsetFields required, UErrorCode& status) {
1.2307 + if (U_FAILURE(status)) {
1.2308 + return NULL;
1.2309 + }
1.2310 + UVector* result = new UVector(deleteGMTOffsetField, NULL, status);
1.2311 + if (result == NULL) {
1.2312 + status = U_MEMORY_ALLOCATION_ERROR;
1.2313 + return NULL;
1.2314 + }
1.2315 +
1.2316 + int32_t checkBits = 0;
1.2317 + UBool isPrevQuote = FALSE;
1.2318 + UBool inQuote = FALSE;
1.2319 + UnicodeString text;
1.2320 + GMTOffsetField::FieldType itemType = GMTOffsetField::TEXT;
1.2321 + int32_t itemLength = 1;
1.2322 +
1.2323 + for (int32_t i = 0; i < pattern.length(); i++) {
1.2324 + UChar ch = pattern.charAt(i);
1.2325 + if (ch == SINGLEQUOTE) {
1.2326 + if (isPrevQuote) {
1.2327 + text.append(SINGLEQUOTE);
1.2328 + isPrevQuote = FALSE;
1.2329 + } else {
1.2330 + isPrevQuote = TRUE;
1.2331 + if (itemType != GMTOffsetField::TEXT) {
1.2332 + if (GMTOffsetField::isValid(itemType, itemLength)) {
1.2333 + GMTOffsetField* fld = GMTOffsetField::createTimeField(itemType, (uint8_t)itemLength, status);
1.2334 + result->addElement(fld, status);
1.2335 + if (U_FAILURE(status)) {
1.2336 + break;
1.2337 + }
1.2338 + } else {
1.2339 + status = U_ILLEGAL_ARGUMENT_ERROR;
1.2340 + break;
1.2341 + }
1.2342 + itemType = GMTOffsetField::TEXT;
1.2343 + }
1.2344 + }
1.2345 + inQuote = !inQuote;
1.2346 + } else {
1.2347 + isPrevQuote = FALSE;
1.2348 + if (inQuote) {
1.2349 + text.append(ch);
1.2350 + } else {
1.2351 + GMTOffsetField::FieldType tmpType = GMTOffsetField::getTypeByLetter(ch);
1.2352 + if (tmpType != GMTOffsetField::TEXT) {
1.2353 + // an offset time pattern character
1.2354 + if (tmpType == itemType) {
1.2355 + itemLength++;
1.2356 + } else {
1.2357 + if (itemType == GMTOffsetField::TEXT) {
1.2358 + if (text.length() > 0) {
1.2359 + GMTOffsetField* textfld = GMTOffsetField::createText(text, status);
1.2360 + result->addElement(textfld, status);
1.2361 + if (U_FAILURE(status)) {
1.2362 + break;
1.2363 + }
1.2364 + text.remove();
1.2365 + }
1.2366 + } else {
1.2367 + if (GMTOffsetField::isValid(itemType, itemLength)) {
1.2368 + GMTOffsetField* fld = GMTOffsetField::createTimeField(itemType, itemLength, status);
1.2369 + result->addElement(fld, status);
1.2370 + if (U_FAILURE(status)) {
1.2371 + break;
1.2372 + }
1.2373 + } else {
1.2374 + status = U_ILLEGAL_ARGUMENT_ERROR;
1.2375 + break;
1.2376 + }
1.2377 + }
1.2378 + itemType = tmpType;
1.2379 + itemLength = 1;
1.2380 + checkBits |= tmpType;
1.2381 + }
1.2382 + } else {
1.2383 + // a string literal
1.2384 + if (itemType != GMTOffsetField::TEXT) {
1.2385 + if (GMTOffsetField::isValid(itemType, itemLength)) {
1.2386 + GMTOffsetField* fld = GMTOffsetField::createTimeField(itemType, itemLength, status);
1.2387 + result->addElement(fld, status);
1.2388 + if (U_FAILURE(status)) {
1.2389 + break;
1.2390 + }
1.2391 + } else {
1.2392 + status = U_ILLEGAL_ARGUMENT_ERROR;
1.2393 + break;
1.2394 + }
1.2395 + itemType = GMTOffsetField::TEXT;
1.2396 + }
1.2397 + text.append(ch);
1.2398 + }
1.2399 + }
1.2400 + }
1.2401 + }
1.2402 + // handle last item
1.2403 + if (U_SUCCESS(status)) {
1.2404 + if (itemType == GMTOffsetField::TEXT) {
1.2405 + if (text.length() > 0) {
1.2406 + GMTOffsetField* tfld = GMTOffsetField::createText(text, status);
1.2407 + result->addElement(tfld, status);
1.2408 + }
1.2409 + } else {
1.2410 + if (GMTOffsetField::isValid(itemType, itemLength)) {
1.2411 + GMTOffsetField* fld = GMTOffsetField::createTimeField(itemType, itemLength, status);
1.2412 + result->addElement(fld, status);
1.2413 + } else {
1.2414 + status = U_ILLEGAL_ARGUMENT_ERROR;
1.2415 + }
1.2416 + }
1.2417 +
1.2418 + // Check all required fields are set
1.2419 + if (U_SUCCESS(status)) {
1.2420 + int32_t reqBits = 0;
1.2421 + switch (required) {
1.2422 + case FIELDS_H:
1.2423 + reqBits = GMTOffsetField::HOUR;
1.2424 + break;
1.2425 + case FIELDS_HM:
1.2426 + reqBits = GMTOffsetField::HOUR | GMTOffsetField::MINUTE;
1.2427 + break;
1.2428 + case FIELDS_HMS:
1.2429 + reqBits = GMTOffsetField::HOUR | GMTOffsetField::MINUTE | GMTOffsetField::SECOND;
1.2430 + break;
1.2431 + }
1.2432 + if (checkBits == reqBits) {
1.2433 + // all required fields are set, no extra fields
1.2434 + return result;
1.2435 + }
1.2436 + }
1.2437 + }
1.2438 +
1.2439 + // error
1.2440 + delete result;
1.2441 + return NULL;
1.2442 +}
1.2443 +
1.2444 +UnicodeString&
1.2445 +TimeZoneFormat::expandOffsetPattern(const UnicodeString& offsetHM, UnicodeString& result, UErrorCode& status) {
1.2446 + result.setToBogus();
1.2447 + if (U_FAILURE(status)) {
1.2448 + return result;
1.2449 + }
1.2450 + U_ASSERT(u_strlen(DEFAULT_GMT_OFFSET_MINUTE_PATTERN) == 2);
1.2451 +
1.2452 + int32_t idx_mm = offsetHM.indexOf(DEFAULT_GMT_OFFSET_MINUTE_PATTERN, 2, 0);
1.2453 + if (idx_mm < 0) {
1.2454 + // Bad time zone hour pattern data
1.2455 + status = U_ILLEGAL_ARGUMENT_ERROR;
1.2456 + return result;
1.2457 + }
1.2458 +
1.2459 + UnicodeString sep;
1.2460 + int32_t idx_H = offsetHM.tempSubString(0, idx_mm).lastIndexOf((UChar)0x0048 /* H */);
1.2461 + if (idx_H >= 0) {
1.2462 + sep = offsetHM.tempSubString(idx_H + 1, idx_mm - (idx_H + 1));
1.2463 + }
1.2464 + result.setTo(offsetHM.tempSubString(0, idx_mm + 2));
1.2465 + result.append(sep);
1.2466 + result.append(DEFAULT_GMT_OFFSET_SECOND_PATTERN, -1);
1.2467 + result.append(offsetHM.tempSubString(idx_mm + 2));
1.2468 + return result;
1.2469 +}
1.2470 +
1.2471 +UnicodeString&
1.2472 +TimeZoneFormat::truncateOffsetPattern(const UnicodeString& offsetHM, UnicodeString& result, UErrorCode& status) {
1.2473 + result.setToBogus();
1.2474 + if (U_FAILURE(status)) {
1.2475 + return result;
1.2476 + }
1.2477 + U_ASSERT(u_strlen(DEFAULT_GMT_OFFSET_MINUTE_PATTERN) == 2);
1.2478 +
1.2479 + int32_t idx_mm = offsetHM.indexOf(DEFAULT_GMT_OFFSET_MINUTE_PATTERN, 2, 0);
1.2480 + if (idx_mm < 0) {
1.2481 + // Bad time zone hour pattern data
1.2482 + status = U_ILLEGAL_ARGUMENT_ERROR;
1.2483 + return result;
1.2484 + }
1.2485 + UChar HH[] = {0x0048, 0x0048};
1.2486 + int32_t idx_HH = offsetHM.tempSubString(0, idx_mm).lastIndexOf(HH, 2, 0);
1.2487 + if (idx_HH >= 0) {
1.2488 + return result.setTo(offsetHM.tempSubString(0, idx_HH + 2));
1.2489 + }
1.2490 + int32_t idx_H = offsetHM.tempSubString(0, idx_mm).lastIndexOf((UChar)0x0048, 0);
1.2491 + if (idx_H >= 0) {
1.2492 + return result.setTo(offsetHM.tempSubString(0, idx_H + 1));
1.2493 + }
1.2494 + // Bad time zone hour pattern data
1.2495 + status = U_ILLEGAL_ARGUMENT_ERROR;
1.2496 + return result;
1.2497 +}
1.2498 +
1.2499 +void
1.2500 +TimeZoneFormat::initGMTOffsetPatterns(UErrorCode& status) {
1.2501 + for (int32_t type = 0; type < UTZFMT_PAT_COUNT; type++) {
1.2502 + switch (type) {
1.2503 + case UTZFMT_PAT_POSITIVE_H:
1.2504 + case UTZFMT_PAT_NEGATIVE_H:
1.2505 + fGMTOffsetPatternItems[type] = parseOffsetPattern(fGMTOffsetPatterns[type], FIELDS_H, status);
1.2506 + break;
1.2507 + case UTZFMT_PAT_POSITIVE_HM:
1.2508 + case UTZFMT_PAT_NEGATIVE_HM:
1.2509 + fGMTOffsetPatternItems[type] = parseOffsetPattern(fGMTOffsetPatterns[type], FIELDS_HM, status);
1.2510 + break;
1.2511 + case UTZFMT_PAT_POSITIVE_HMS:
1.2512 + case UTZFMT_PAT_NEGATIVE_HMS:
1.2513 + fGMTOffsetPatternItems[type] = parseOffsetPattern(fGMTOffsetPatterns[type], FIELDS_HMS, status);
1.2514 + break;
1.2515 + }
1.2516 + }
1.2517 + checkAbuttingHoursAndMinutes();
1.2518 +}
1.2519 +
1.2520 +void
1.2521 +TimeZoneFormat::checkAbuttingHoursAndMinutes() {
1.2522 + fAbuttingOffsetHoursAndMinutes= FALSE;
1.2523 + for (int32_t type = 0; type < UTZFMT_PAT_COUNT; type++) {
1.2524 + UBool afterH = FALSE;
1.2525 + UVector *items = fGMTOffsetPatternItems[type];
1.2526 + for (int32_t i = 0; i < items->size(); i++) {
1.2527 + const GMTOffsetField* item = (GMTOffsetField*)items->elementAt(i);
1.2528 + GMTOffsetField::FieldType type = item->getType();
1.2529 + if (type != GMTOffsetField::TEXT) {
1.2530 + if (afterH) {
1.2531 + fAbuttingOffsetHoursAndMinutes = TRUE;
1.2532 + break;
1.2533 + } else if (type == GMTOffsetField::HOUR) {
1.2534 + afterH = TRUE;
1.2535 + }
1.2536 + } else if (afterH) {
1.2537 + break;
1.2538 + }
1.2539 + }
1.2540 + if (fAbuttingOffsetHoursAndMinutes) {
1.2541 + break;
1.2542 + }
1.2543 + }
1.2544 +}
1.2545 +
1.2546 +UBool
1.2547 +TimeZoneFormat::toCodePoints(const UnicodeString& str, UChar32* codeArray, int32_t size) {
1.2548 + int32_t count = str.countChar32();
1.2549 + if (count != size) {
1.2550 + return FALSE;
1.2551 + }
1.2552 +
1.2553 + for (int32_t idx = 0, start = 0; idx < size; idx++) {
1.2554 + codeArray[idx] = str.char32At(start);
1.2555 + start = str.moveIndex32(start, 1);
1.2556 + }
1.2557 +
1.2558 + return TRUE;
1.2559 +}
1.2560 +
1.2561 +TimeZone*
1.2562 +TimeZoneFormat::createTimeZoneForOffset(int32_t offset) const {
1.2563 + if (offset == 0) {
1.2564 + // when offset is 0, we should use "Etc/GMT"
1.2565 + return TimeZone::createTimeZone(UnicodeString(TZID_GMT));
1.2566 + }
1.2567 + return ZoneMeta::createCustomTimeZone(offset);
1.2568 +}
1.2569 +
1.2570 +UTimeZoneFormatTimeType
1.2571 +TimeZoneFormat::getTimeType(UTimeZoneNameType nameType) {
1.2572 + switch (nameType) {
1.2573 + case UTZNM_LONG_STANDARD:
1.2574 + case UTZNM_SHORT_STANDARD:
1.2575 + return UTZFMT_TIME_TYPE_STANDARD;
1.2576 +
1.2577 + case UTZNM_LONG_DAYLIGHT:
1.2578 + case UTZNM_SHORT_DAYLIGHT:
1.2579 + return UTZFMT_TIME_TYPE_DAYLIGHT;
1.2580 +
1.2581 + default:
1.2582 + U_ASSERT(FALSE);
1.2583 + }
1.2584 + return UTZFMT_TIME_TYPE_UNKNOWN;
1.2585 +}
1.2586 +
1.2587 +UnicodeString&
1.2588 +TimeZoneFormat::getTimeZoneID(const TimeZoneNames::MatchInfoCollection* matches, int32_t idx, UnicodeString& tzID) const {
1.2589 + if (!matches->getTimeZoneIDAt(idx, tzID)) {
1.2590 + UnicodeString mzID;
1.2591 + if (matches->getMetaZoneIDAt(idx, mzID)) {
1.2592 + fTimeZoneNames->getReferenceZoneID(mzID, fTargetRegion, tzID);
1.2593 + }
1.2594 + }
1.2595 + return tzID;
1.2596 +}
1.2597 +
1.2598 +
1.2599 +class ZoneIdMatchHandler : public TextTrieMapSearchResultHandler {
1.2600 +public:
1.2601 + ZoneIdMatchHandler();
1.2602 + virtual ~ZoneIdMatchHandler();
1.2603 +
1.2604 + UBool handleMatch(int32_t matchLength, const CharacterNode *node, UErrorCode &status);
1.2605 + const UChar* getID();
1.2606 + int32_t getMatchLen();
1.2607 +private:
1.2608 + int32_t fLen;
1.2609 + const UChar* fID;
1.2610 +};
1.2611 +
1.2612 +ZoneIdMatchHandler::ZoneIdMatchHandler()
1.2613 +: fLen(0), fID(NULL) {
1.2614 +}
1.2615 +
1.2616 +ZoneIdMatchHandler::~ZoneIdMatchHandler() {
1.2617 +}
1.2618 +
1.2619 +UBool
1.2620 +ZoneIdMatchHandler::handleMatch(int32_t matchLength, const CharacterNode *node, UErrorCode &status) {
1.2621 + if (U_FAILURE(status)) {
1.2622 + return FALSE;
1.2623 + }
1.2624 + if (node->hasValues()) {
1.2625 + const UChar* id = (const UChar*)node->getValue(0);
1.2626 + if (id != NULL) {
1.2627 + if (fLen < matchLength) {
1.2628 + fID = id;
1.2629 + fLen = matchLength;
1.2630 + }
1.2631 + }
1.2632 + }
1.2633 + return TRUE;
1.2634 +}
1.2635 +
1.2636 +const UChar*
1.2637 +ZoneIdMatchHandler::getID() {
1.2638 + return fID;
1.2639 +}
1.2640 +
1.2641 +int32_t
1.2642 +ZoneIdMatchHandler::getMatchLen() {
1.2643 + return fLen;
1.2644 +}
1.2645 +
1.2646 +
1.2647 +static void U_CALLCONV initZoneIdTrie(UErrorCode &status) {
1.2648 + U_ASSERT(gZoneIdTrie == NULL);
1.2649 + ucln_i18n_registerCleanup(UCLN_I18N_TIMEZONEFORMAT, tzfmt_cleanup);
1.2650 + gZoneIdTrie = new TextTrieMap(TRUE, NULL); // No deleter, because values are pooled by ZoneMeta
1.2651 + if (gZoneIdTrie == NULL) {
1.2652 + status = U_MEMORY_ALLOCATION_ERROR;
1.2653 + return;
1.2654 + }
1.2655 + StringEnumeration *tzenum = TimeZone::createEnumeration();
1.2656 + const UnicodeString *id;
1.2657 + while ((id = tzenum->snext(status))) {
1.2658 + const UChar* uid = ZoneMeta::findTimeZoneID(*id);
1.2659 + if (uid) {
1.2660 + gZoneIdTrie->put(uid, const_cast<UChar *>(uid), status);
1.2661 + }
1.2662 + }
1.2663 + delete tzenum;
1.2664 +}
1.2665 +
1.2666 +
1.2667 +UnicodeString&
1.2668 +TimeZoneFormat::parseZoneID(const UnicodeString& text, ParsePosition& pos, UnicodeString& tzID) const {
1.2669 + UErrorCode status = U_ZERO_ERROR;
1.2670 + umtx_initOnce(gZoneIdTrieInitOnce, &initZoneIdTrie, status);
1.2671 +
1.2672 + int32_t start = pos.getIndex();
1.2673 + int32_t len = 0;
1.2674 + tzID.setToBogus();
1.2675 +
1.2676 + if (U_SUCCESS(status)) {
1.2677 + LocalPointer<ZoneIdMatchHandler> handler(new ZoneIdMatchHandler());
1.2678 + gZoneIdTrie->search(text, start, handler.getAlias(), status);
1.2679 + len = handler->getMatchLen();
1.2680 + if (len > 0) {
1.2681 + tzID.setTo(handler->getID(), -1);
1.2682 + }
1.2683 + }
1.2684 +
1.2685 + if (len > 0) {
1.2686 + pos.setIndex(start + len);
1.2687 + } else {
1.2688 + pos.setErrorIndex(start);
1.2689 + }
1.2690 +
1.2691 + return tzID;
1.2692 +}
1.2693 +
1.2694 +static void U_CALLCONV initShortZoneIdTrie(UErrorCode &status) {
1.2695 + U_ASSERT(gShortZoneIdTrie == NULL);
1.2696 + ucln_i18n_registerCleanup(UCLN_I18N_TIMEZONEFORMAT, tzfmt_cleanup);
1.2697 + StringEnumeration *tzenum = TimeZone::createTimeZoneIDEnumeration(UCAL_ZONE_TYPE_CANONICAL, NULL, NULL, status);
1.2698 + if (U_SUCCESS(status)) {
1.2699 + gShortZoneIdTrie = new TextTrieMap(TRUE, NULL); // No deleter, because values are pooled by ZoneMeta
1.2700 + if (gShortZoneIdTrie == NULL) {
1.2701 + status = U_MEMORY_ALLOCATION_ERROR;
1.2702 + } else {
1.2703 + const UnicodeString *id;
1.2704 + while ((id = tzenum->snext(status))) {
1.2705 + const UChar* uID = ZoneMeta::findTimeZoneID(*id);
1.2706 + const UChar* shortID = ZoneMeta::getShortID(*id);
1.2707 + if (shortID && uID) {
1.2708 + gShortZoneIdTrie->put(shortID, const_cast<UChar *>(uID), status);
1.2709 + }
1.2710 + }
1.2711 + }
1.2712 + }
1.2713 + delete tzenum;
1.2714 +}
1.2715 +
1.2716 +
1.2717 +UnicodeString&
1.2718 +TimeZoneFormat::parseShortZoneID(const UnicodeString& text, ParsePosition& pos, UnicodeString& tzID) const {
1.2719 + UErrorCode status = U_ZERO_ERROR;
1.2720 + umtx_initOnce(gShortZoneIdTrieInitOnce, &initShortZoneIdTrie, status);
1.2721 +
1.2722 + int32_t start = pos.getIndex();
1.2723 + int32_t len = 0;
1.2724 + tzID.setToBogus();
1.2725 +
1.2726 + if (U_SUCCESS(status)) {
1.2727 + LocalPointer<ZoneIdMatchHandler> handler(new ZoneIdMatchHandler());
1.2728 + gShortZoneIdTrie->search(text, start, handler.getAlias(), status);
1.2729 + len = handler->getMatchLen();
1.2730 + if (len > 0) {
1.2731 + tzID.setTo(handler->getID(), -1);
1.2732 + }
1.2733 + }
1.2734 +
1.2735 + if (len > 0) {
1.2736 + pos.setIndex(start + len);
1.2737 + } else {
1.2738 + pos.setErrorIndex(start);
1.2739 + }
1.2740 +
1.2741 + return tzID;
1.2742 +}
1.2743 +
1.2744 +
1.2745 +UnicodeString&
1.2746 +TimeZoneFormat::parseExemplarLocation(const UnicodeString& text, ParsePosition& pos, UnicodeString& tzID) const {
1.2747 + int32_t startIdx = pos.getIndex();
1.2748 + int32_t parsedPos = -1;
1.2749 + tzID.setToBogus();
1.2750 +
1.2751 + UErrorCode status = U_ZERO_ERROR;
1.2752 + LocalPointer<TimeZoneNames::MatchInfoCollection> exemplarMatches(fTimeZoneNames->find(text, startIdx, UTZNM_EXEMPLAR_LOCATION, status));
1.2753 + if (U_FAILURE(status)) {
1.2754 + pos.setErrorIndex(startIdx);
1.2755 + return tzID;
1.2756 + }
1.2757 + int32_t matchIdx = -1;
1.2758 + if (!exemplarMatches.isNull()) {
1.2759 + for (int32_t i = 0; i < exemplarMatches->size(); i++) {
1.2760 + if (startIdx + exemplarMatches->getMatchLengthAt(i) > parsedPos) {
1.2761 + matchIdx = i;
1.2762 + parsedPos = startIdx + exemplarMatches->getMatchLengthAt(i);
1.2763 + }
1.2764 + }
1.2765 + if (parsedPos > 0) {
1.2766 + pos.setIndex(parsedPos);
1.2767 + getTimeZoneID(exemplarMatches.getAlias(), matchIdx, tzID);
1.2768 + }
1.2769 + }
1.2770 +
1.2771 + if (tzID.length() == 0) {
1.2772 + pos.setErrorIndex(startIdx);
1.2773 + }
1.2774 +
1.2775 + return tzID;
1.2776 +}
1.2777 +
1.2778 +U_NAMESPACE_END
1.2779 +
1.2780 +#endif
