| /* |
| ******************************************************************************* |
| * Copyright (C) 2007-2008, International Business Machines Corporation and |
| * others. All Rights Reserved. |
| ******************************************************************************* |
| * |
| * File DTPTNGEN.CPP |
| * |
| ******************************************************************************* |
| */ |
| |
| #include "unicode/utypes.h" |
| #if !UCONFIG_NO_FORMATTING |
| |
| #include "unicode/datefmt.h" |
| #include "unicode/decimfmt.h" |
| #include "unicode/dtfmtsym.h" |
| #include "unicode/dtptngen.h" |
| #include "unicode/msgfmt.h" |
| #include "unicode/smpdtfmt.h" |
| #include "unicode/udat.h" |
| #include "unicode/udatpg.h" |
| #include "unicode/uniset.h" |
| #include "unicode/ures.h" |
| #include "unicode/rep.h" |
| #include "cpputils.h" |
| #include "ucln_in.h" |
| #include "mutex.h" |
| #include "cmemory.h" |
| #include "cstring.h" |
| #include "locbased.h" |
| #include "gregoimp.h" |
| #include "hash.h" |
| #include "uresimp.h" |
| #include "dtptngen_impl.h" |
| |
| #define LENGTHOF(array) (int32_t)(sizeof(array)/sizeof((array)[0])) |
| |
| U_NAMESPACE_BEGIN |
| |
| // ***************************************************************************** |
| // class DateTimePatternGenerator |
| // ***************************************************************************** |
| static const UChar Canonical_Items[] = { |
| // GyQMwWedDFHmsSv |
| CAP_G, LOW_Y, CAP_Q, CAP_M, LOW_W, CAP_W, LOW_E, LOW_D, CAP_D, CAP_F, |
| CAP_H, LOW_M, LOW_S, CAP_S, LOW_V, 0 |
| }; |
| |
| static const dtTypeElem dtTypes[] = { |
| // patternChar, field, type, minLen, weight |
| {CAP_G, UDATPG_ERA_FIELD, DT_SHORT, 1, 3,}, |
| {CAP_G, UDATPG_ERA_FIELD, DT_LONG, 4, 0}, |
| {LOW_Y, UDATPG_YEAR_FIELD, DT_NUMERIC, 1, 20}, |
| {CAP_Y, UDATPG_YEAR_FIELD, DT_NUMERIC + DT_DELTA, 1, 20}, |
| {LOW_U, UDATPG_YEAR_FIELD, DT_NUMERIC + 2*DT_DELTA, 1, 20}, |
| {CAP_Q, UDATPG_QUARTER_FIELD, DT_NUMERIC, 1, 2}, |
| {CAP_Q, UDATPG_QUARTER_FIELD, DT_SHORT, 3, 0}, |
| {CAP_Q, UDATPG_QUARTER_FIELD, DT_LONG, 4, 0}, |
| {CAP_M, UDATPG_MONTH_FIELD, DT_NUMERIC, 1, 2}, |
| {CAP_M, UDATPG_MONTH_FIELD, DT_SHORT, 3, 0}, |
| {CAP_M, UDATPG_MONTH_FIELD, DT_LONG, 4, 0}, |
| {CAP_M, UDATPG_MONTH_FIELD, DT_NARROW, 5, 0}, |
| {CAP_L, UDATPG_MONTH_FIELD, DT_NUMERIC + DT_DELTA, 1, 2}, |
| {CAP_L, UDATPG_MONTH_FIELD, DT_SHORT - DT_DELTA, 3, 0}, |
| {CAP_L, UDATPG_MONTH_FIELD, DT_LONG - DT_DELTA, 4, 0}, |
| {CAP_L, UDATPG_MONTH_FIELD, DT_NARROW - DT_DELTA, 5, 0}, |
| {LOW_W, UDATPG_WEEK_OF_YEAR_FIELD, DT_NUMERIC, 1, 2}, |
| {CAP_W, UDATPG_WEEK_OF_MONTH_FIELD, DT_NUMERIC + DT_DELTA, 1, 0}, |
| {LOW_E, UDATPG_WEEKDAY_FIELD, DT_NUMERIC + DT_DELTA, 1, 2}, |
| {LOW_E, UDATPG_WEEKDAY_FIELD, DT_SHORT - DT_DELTA, 3, 0}, |
| {LOW_E, UDATPG_WEEKDAY_FIELD, DT_LONG - DT_DELTA, 4, 0}, |
| {LOW_E, UDATPG_WEEKDAY_FIELD, DT_NARROW - DT_DELTA, 5, 0}, |
| {CAP_E, UDATPG_WEEKDAY_FIELD, DT_SHORT, 1, 3}, |
| {CAP_E, UDATPG_WEEKDAY_FIELD, DT_LONG, 4, 0}, |
| {CAP_E, UDATPG_WEEKDAY_FIELD, DT_NARROW, 5, 0}, |
| {LOW_C, UDATPG_WEEKDAY_FIELD, DT_NUMERIC + 2*DT_DELTA, 1, 2}, |
| {LOW_C, UDATPG_WEEKDAY_FIELD, DT_SHORT - 2*DT_DELTA, 3, 0}, |
| {LOW_C, UDATPG_WEEKDAY_FIELD, DT_LONG - 2*DT_DELTA, 4, 0}, |
| {LOW_C, UDATPG_WEEKDAY_FIELD, DT_NARROW - 2*DT_DELTA, 5, 0}, |
| {LOW_D, UDATPG_DAY_FIELD, DT_NUMERIC, 1, 2}, |
| {CAP_D, UDATPG_DAY_OF_YEAR_FIELD, DT_NUMERIC + DT_DELTA, 1, 3}, |
| {CAP_F, UDATPG_DAY_OF_WEEK_IN_MONTH_FIELD, DT_NUMERIC + 2*DT_DELTA, 1, 0}, |
| {LOW_G, UDATPG_DAY_FIELD, DT_NUMERIC + 3*DT_DELTA, 1, 20}, // really internal use, so we d'ont care |
| {LOW_A, UDATPG_DAYPERIOD_FIELD, DT_SHORT, 1, 0}, |
| {CAP_H, UDATPG_HOUR_FIELD, DT_NUMERIC + 10*DT_DELTA, 1, 2}, // 24 hour |
| {LOW_K, UDATPG_HOUR_FIELD, DT_NUMERIC + 11*DT_DELTA, 1, 2}, |
| {LOW_H, UDATPG_HOUR_FIELD, DT_NUMERIC, 1, 2}, // 12 hour |
| {LOW_K, UDATPG_HOUR_FIELD, DT_NUMERIC + DT_DELTA, 1, 2}, |
| {LOW_M, UDATPG_MINUTE_FIELD, DT_NUMERIC, 1, 2}, |
| {LOW_S, UDATPG_SECOND_FIELD, DT_NUMERIC, 1, 2}, |
| {CAP_S, UDATPG_FRACTIONAL_SECOND_FIELD, DT_NUMERIC + DT_DELTA, 1, 1000}, |
| {CAP_A, UDATPG_SECOND_FIELD, DT_NUMERIC + 2*DT_DELTA, 1, 1000}, |
| {LOW_V, UDATPG_ZONE_FIELD, DT_SHORT - 2*DT_DELTA, 1, 0}, |
| {LOW_V, UDATPG_ZONE_FIELD, DT_LONG - 2*DT_DELTA, 4, 0}, |
| {LOW_Z, UDATPG_ZONE_FIELD, DT_SHORT, 1, 3}, |
| {LOW_Z, UDATPG_ZONE_FIELD, DT_LONG, 4, 0}, |
| {CAP_Z, UDATPG_ZONE_FIELD, DT_SHORT - DT_DELTA, 1, 3}, |
| {CAP_Z, UDATPG_ZONE_FIELD, DT_LONG - DT_DELTA, 4, 0}, |
| {0, UDATPG_FIELD_COUNT, 0, 0, 0} , // last row of dtTypes[] |
| }; |
| |
| static const char* const CLDR_FIELD_APPEND[] = { |
| "Era", "Year", "Quarter", "Month", "Week", "*", "Day-Of-Week", "Day", "*", "*", "*", |
| "Hour", "Minute", "Second", "*", "Timezone" |
| }; |
| |
| static const char* const CLDR_FIELD_NAME[] = { |
| "era", "year", "quarter", "month", "week", "*", "weekday", "day", "*", "*", "dayperiod", |
| "hour", "minute", "second", "*", "zone" |
| }; |
| |
| static const char* const Resource_Fields[] = { |
| "day", "dayperiod", "era", "hour", "minute", "month", "second", "week", |
| "weekday", "year", "zone", "quarter" }; |
| |
| static const char* CJKLangName[] = { "zh", "ja", "ko" }; // for ChineseMonthHack |
| |
| // For appendItems |
| static const UChar UDATPG_ItemFormat[]= {0x7B, 0x30, 0x7D, 0x20, 0x251C, 0x7B, 0x32, 0x7D, 0x3A, |
| 0x20, 0x7B, 0x31, 0x7D, 0x2524, 0}; // {0} \u251C{2}: {1}\u2524 |
| |
| static const UChar repeatedPatterns[6]={CAP_G, CAP_E, LOW_Z, LOW_V, CAP_Q, 0}; // "GEzvQ" |
| |
| static const char DT_DateTimePatternsTag[]="DateTimePatterns"; |
| static const char DT_DateTimeCalendarTag[]="calendar"; |
| static const char DT_DateTimeGregorianTag[]="gregorian"; |
| static const char DT_DateTimeAppendItemsTag[]="appendItems"; |
| static const char DT_DateTimeFieldsTag[]="fields"; |
| static const char DT_DateTimeAvailableFormatsTag[]="availableFormats"; |
| //static const UnicodeString repeatedPattern=UnicodeString(repeatedPatterns); |
| |
| UOBJECT_DEFINE_RTTI_IMPLEMENTATION(DateTimePatternGenerator) |
| UOBJECT_DEFINE_RTTI_IMPLEMENTATION(DTSkeletonEnumeration) |
| UOBJECT_DEFINE_RTTI_IMPLEMENTATION(DTRedundantEnumeration) |
| |
| DateTimePatternGenerator* U_EXPORT2 |
| DateTimePatternGenerator::createInstance(UErrorCode& status) { |
| return createInstance(Locale::getDefault(), status); |
| } |
| |
| DateTimePatternGenerator* U_EXPORT2 |
| DateTimePatternGenerator::createInstance(const Locale& locale, UErrorCode& status) { |
| DateTimePatternGenerator *result = new DateTimePatternGenerator(locale, status); |
| if (result == NULL) { |
| status = U_MEMORY_ALLOCATION_ERROR; |
| } |
| if (U_FAILURE(status)) { |
| delete result; |
| result = NULL; |
| } |
| return result; |
| } |
| |
| DateTimePatternGenerator* U_EXPORT2 |
| DateTimePatternGenerator::createEmptyInstance(UErrorCode& status) { |
| DateTimePatternGenerator *result = new DateTimePatternGenerator(status); |
| if (result == NULL) { |
| status = U_MEMORY_ALLOCATION_ERROR; |
| } |
| if (U_FAILURE(status)) { |
| delete result; |
| result = NULL; |
| } |
| return result; |
| } |
| |
| DateTimePatternGenerator::DateTimePatternGenerator(UErrorCode &status) : |
| skipMatcher(NULL), |
| fAvailableFormatKeyHash(NULL) |
| { |
| chineseMonthHack = FALSE; |
| fp = new FormatParser(); |
| dtMatcher = new DateTimeMatcher(); |
| distanceInfo = new DistanceInfo(); |
| patternMap = new PatternMap(); |
| if (fp == NULL || dtMatcher == NULL || distanceInfo == NULL || patternMap == NULL) { |
| status = U_MEMORY_ALLOCATION_ERROR; |
| } |
| } |
| |
| DateTimePatternGenerator::DateTimePatternGenerator(const Locale& locale, UErrorCode &status) : |
| skipMatcher(NULL), |
| fAvailableFormatKeyHash(NULL) |
| { |
| fp = new FormatParser(); |
| dtMatcher = new DateTimeMatcher(); |
| distanceInfo = new DistanceInfo(); |
| patternMap = new PatternMap(); |
| if (fp == NULL || dtMatcher == NULL || distanceInfo == NULL || patternMap == NULL) { |
| status = U_MEMORY_ALLOCATION_ERROR; |
| } |
| else { |
| initData(locale, status); |
| } |
| } |
| |
| DateTimePatternGenerator::DateTimePatternGenerator(const DateTimePatternGenerator& other) : |
| UObject(), |
| skipMatcher(NULL), |
| fAvailableFormatKeyHash(NULL) |
| { |
| fp = new FormatParser(); |
| dtMatcher = new DateTimeMatcher(); |
| distanceInfo = new DistanceInfo(); |
| patternMap = new PatternMap(); |
| *this=other; |
| } |
| |
| DateTimePatternGenerator& |
| DateTimePatternGenerator::operator=(const DateTimePatternGenerator& other) { |
| pLocale = other.pLocale; |
| *fp = *(other.fp); |
| dtMatcher->copyFrom(other.dtMatcher->skeleton); |
| *distanceInfo = *(other.distanceInfo); |
| dateTimeFormat = other.dateTimeFormat; |
| decimal = other.decimal; |
| chineseMonthHack = other.chineseMonthHack; |
| // NUL-terminate for the C API. |
| dateTimeFormat.getTerminatedBuffer(); |
| decimal.getTerminatedBuffer(); |
| delete skipMatcher; |
| if ( other.skipMatcher == NULL ) { |
| skipMatcher = NULL; |
| } |
| else { |
| skipMatcher = new DateTimeMatcher(*other.skipMatcher); |
| } |
| for (int32_t i=0; i< UDATPG_FIELD_COUNT; ++i ) { |
| appendItemFormats[i] = other.appendItemFormats[i]; |
| appendItemNames[i] = other.appendItemNames[i]; |
| // NUL-terminate for the C API. |
| appendItemFormats[i].getTerminatedBuffer(); |
| appendItemNames[i].getTerminatedBuffer(); |
| } |
| UErrorCode status = U_ZERO_ERROR; |
| patternMap->copyFrom(*other.patternMap, status); |
| copyHashtable(other.fAvailableFormatKeyHash, status); |
| return *this; |
| } |
| |
| |
| UBool |
| DateTimePatternGenerator::operator==(const DateTimePatternGenerator& other) const { |
| if (this == &other) { |
| return TRUE; |
| } |
| if ((pLocale==other.pLocale) && (patternMap->equals(*other.patternMap)) && |
| (dateTimeFormat==other.dateTimeFormat) && (decimal==other.decimal) && |
| (chineseMonthHack == other.chineseMonthHack)) { |
| for ( int32_t i=0 ; i<UDATPG_FIELD_COUNT; ++i ) { |
| if ((appendItemFormats[i] != other.appendItemFormats[i]) || |
| (appendItemNames[i] != other.appendItemNames[i]) ) { |
| return FALSE; |
| } |
| } |
| return TRUE; |
| } |
| else { |
| return FALSE; |
| } |
| } |
| |
| UBool |
| DateTimePatternGenerator::operator!=(const DateTimePatternGenerator& other) const { |
| return !operator==(other); |
| } |
| |
| DateTimePatternGenerator::~DateTimePatternGenerator() { |
| if (fAvailableFormatKeyHash!=NULL) { |
| delete fAvailableFormatKeyHash; |
| } |
| |
| if (fp != NULL) delete fp; |
| if (dtMatcher != NULL) delete dtMatcher; |
| if (distanceInfo != NULL) delete distanceInfo; |
| if (patternMap != NULL) delete patternMap; |
| if (skipMatcher != NULL) delete skipMatcher; |
| } |
| |
| void |
| DateTimePatternGenerator::initData(const Locale& locale, UErrorCode &status) { |
| const char *baseLangName = locale.getBaseName(); |
| chineseMonthHack = FALSE; |
| for (int32_t i=0; i<3; i++) { |
| if ( uprv_memcmp(baseLangName, CJKLangName[i], 2 ) == 0 ) { |
| chineseMonthHack = TRUE; |
| } |
| } |
| |
| skipMatcher = NULL; |
| fAvailableFormatKeyHash=NULL; |
| addCanonicalItems(); |
| addICUPatterns(locale, status); |
| if (U_FAILURE(status)) { |
| return; |
| } |
| addCLDRData(locale); |
| setDateTimeFromCalendar(locale, status); |
| setDecimalSymbols(locale, status); |
| } // DateTimePatternGenerator::initData |
| |
| UnicodeString |
| DateTimePatternGenerator::getSkeleton(const UnicodeString& pattern, UErrorCode& |
| /*status*/) { |
| dtMatcher->set(pattern, fp); |
| return dtMatcher->getSkeletonPtr()->getSkeleton(); |
| } |
| |
| UnicodeString |
| DateTimePatternGenerator::getBaseSkeleton(const UnicodeString& pattern, UErrorCode& /*status*/) { |
| dtMatcher->set(pattern, fp); |
| return dtMatcher->getSkeletonPtr()->getBaseSkeleton(); |
| } |
| |
| void |
| DateTimePatternGenerator::addICUPatterns(const Locale& locale, UErrorCode& status) { |
| UnicodeString dfPattern; |
| UnicodeString conflictingString; |
| UDateTimePatternConflict conflictingStatus; |
| DateFormat* df; |
| |
| if (U_FAILURE(status)) { |
| return; |
| } |
| |
| // Load with ICU patterns |
| for (int32_t i=DateFormat::kFull; i<=DateFormat::kShort; i++) { |
| DateFormat::EStyle style = (DateFormat::EStyle)i; |
| df = DateFormat::createDateInstance(style, locale); |
| if (df != NULL && df->getDynamicClassID() == SimpleDateFormat::getStaticClassID()) { |
| SimpleDateFormat* sdf = (SimpleDateFormat*)df; |
| conflictingStatus = addPattern(sdf->toPattern(dfPattern), FALSE, conflictingString, status); |
| } |
| // TODO Maybe we should return an error when the date format isn't simple. |
| delete df; |
| if (U_FAILURE(status)) { |
| return; |
| } |
| |
| df = DateFormat::createTimeInstance(style, locale); |
| if (df != NULL && df->getDynamicClassID() == SimpleDateFormat::getStaticClassID()) { |
| SimpleDateFormat* sdf = (SimpleDateFormat*)df; |
| conflictingStatus = addPattern(sdf->toPattern(dfPattern), FALSE, conflictingString, status); |
| // HACK for hh:ss |
| if ( i==DateFormat::kMedium ) { |
| hackPattern = dfPattern; |
| } |
| } |
| // TODO Maybe we should return an error when the date format isn't simple. |
| delete df; |
| if (U_FAILURE(status)) { |
| return; |
| } |
| } |
| } |
| |
| void |
| DateTimePatternGenerator::hackTimes(const UnicodeString& hackPattern, UErrorCode& status) { |
| UDateTimePatternConflict conflictingStatus; |
| UnicodeString conflictingString; |
| |
| fp->set(hackPattern); |
| UnicodeString mmss; |
| UBool gotMm=FALSE; |
| for (int32_t i=0; i<fp->itemNumber; ++i) { |
| UnicodeString field = fp->items[i]; |
| if ( fp->isQuoteLiteral(field) ) { |
| if ( gotMm ) { |
| UnicodeString quoteLiteral; |
| fp->getQuoteLiteral(quoteLiteral, &i); |
| mmss += quoteLiteral; |
| } |
| } |
| else { |
| if (fp->isPatternSeparator(field) && gotMm) { |
| mmss+=field; |
| } |
| else { |
| UChar ch=field.charAt(0); |
| if (ch==LOW_M) { |
| gotMm=TRUE; |
| mmss+=field; |
| } |
| else { |
| if (ch==LOW_S) { |
| if (!gotMm) { |
| break; |
| } |
| mmss+= field; |
| conflictingStatus = addPattern(mmss, FALSE, conflictingString, status); |
| break; |
| } |
| else { |
| if (gotMm || ch==LOW_Z || ch==CAP_Z || ch==LOW_V || ch==CAP_V) { |
| break; |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| void |
| DateTimePatternGenerator::addCLDRData(const Locale& locale) { |
| UErrorCode err = U_ZERO_ERROR; |
| UResourceBundle *rb, *gregorianBundle, *calBundle; |
| UResourceBundle *patBundle, *fieldBundle, *fBundle; |
| UnicodeString rbPattern, value, field; |
| UnicodeString conflictingPattern; |
| UDateTimePatternConflict conflictingStatus; |
| const char *key=NULL; |
| int32_t i; |
| |
| UnicodeString defaultItemFormat(TRUE, UDATPG_ItemFormat, LENGTHOF(UDATPG_ItemFormat)-1); // Read-only alias. |
| |
| for (i=0; i<UDATPG_FIELD_COUNT; ++i ) { |
| appendItemNames[i]=CAP_F; |
| if (i<10) { |
| appendItemNames[i]+=(UChar)(i+0x30); |
| } |
| else { |
| appendItemNames[i]+=(UChar)0x31; |
| appendItemNames[i]+=(UChar)(i-10 + 0x30); |
| } |
| // NUL-terminate for the C API. |
| appendItemNames[i].getTerminatedBuffer(); |
| } |
| |
| rb = ures_open(NULL, locale.getName(), &err); |
| calBundle = ures_getByKey(rb, DT_DateTimeCalendarTag, NULL, &err); |
| gregorianBundle = ures_getByKey(calBundle, DT_DateTimeGregorianTag, NULL, &err); |
| |
| key=NULL; |
| int32_t dtCount=0; |
| patBundle = ures_getByKeyWithFallback(gregorianBundle, DT_DateTimePatternsTag, NULL, &err); |
| while (U_SUCCESS(err)) { |
| rbPattern = ures_getNextUnicodeString(patBundle, &key, &err); |
| dtCount++; |
| if (rbPattern.length()==0 ) { |
| break; // no more pattern |
| } |
| else { |
| if (dtCount==9) { |
| setDateTimeFormat(rbPattern); |
| } |
| } |
| }; |
| ures_close(patBundle); |
| |
| err = U_ZERO_ERROR; |
| patBundle = ures_getByKeyWithFallback(gregorianBundle, DT_DateTimeAppendItemsTag, NULL, &err); |
| key=NULL; |
| UnicodeString itemKey; |
| while (U_SUCCESS(err)) { |
| rbPattern = ures_getNextUnicodeString(patBundle, &key, &err); |
| if (rbPattern.length()==0 ) { |
| break; // no more pattern |
| } |
| else { |
| setAppendItemFormat(getAppendFormatNumber(key), rbPattern); |
| } |
| } |
| ures_close(patBundle); |
| |
| key=NULL; |
| err = U_ZERO_ERROR; |
| fBundle = ures_getByKeyWithFallback(gregorianBundle, DT_DateTimeFieldsTag, NULL, &err); |
| for (i=0; i<MAX_RESOURCE_FIELD; ++i) { |
| err = U_ZERO_ERROR; |
| patBundle = ures_getByKeyWithFallback(fBundle, Resource_Fields[i], NULL, &err); |
| fieldBundle = ures_getByKeyWithFallback(patBundle, "dn", NULL, &err); |
| rbPattern = ures_getNextUnicodeString(fieldBundle, &key, &err); |
| ures_close(fieldBundle); |
| ures_close(patBundle); |
| if (rbPattern.length()==0 ) { |
| continue; |
| } |
| else { |
| setAppendItemName(getAppendNameNumber(Resource_Fields[i]), rbPattern); |
| } |
| } |
| ures_close(fBundle); |
| |
| // add available formats |
| err = U_ZERO_ERROR; |
| initHashtable(err); |
| patBundle = ures_getByKeyWithFallback(gregorianBundle, DT_DateTimeAvailableFormatsTag, NULL, &err); |
| if (U_SUCCESS(err)) { |
| int32_t numberKeys = ures_getSize(patBundle); |
| int32_t len; |
| const UChar *retPattern; |
| key=NULL; |
| for(i=0; i<numberKeys; ++i) { |
| retPattern=ures_getNextString(patBundle, &len, &key, &err); |
| UnicodeString format=UnicodeString(retPattern); |
| UnicodeString retKey=UnicodeString(key, -1, US_INV); |
| setAvailableFormat(retKey, err); |
| conflictingStatus = addPattern(format, FALSE, conflictingPattern, err); |
| } |
| } |
| ures_close(patBundle); |
| ures_close(gregorianBundle); |
| ures_close(calBundle); |
| ures_close(rb); |
| |
| err = U_ZERO_ERROR; |
| char parentLocale[50]; |
| const char *curLocaleName=locale.getName(); |
| int32_t localeNameLen=0; |
| uprv_strcpy(parentLocale, curLocaleName); |
| while((localeNameLen=uloc_getParent(parentLocale, parentLocale, 50, &err))>=0 ) { |
| rb = ures_open(NULL, parentLocale, &err); |
| calBundle = ures_getByKey(rb, DT_DateTimeCalendarTag, NULL, &err); |
| gregorianBundle = ures_getByKey(calBundle, DT_DateTimeGregorianTag, NULL, &err); |
| patBundle = ures_getByKeyWithFallback(gregorianBundle, DT_DateTimeAvailableFormatsTag, NULL, &err); |
| if (U_SUCCESS(err)) { |
| int32_t numberKeys = ures_getSize(patBundle); |
| int32_t len; |
| const UChar *retPattern; |
| key=NULL; |
| |
| for(i=0; i<numberKeys; ++i) { |
| retPattern=ures_getNextString(patBundle, &len, &key, &err); |
| UnicodeString format=UnicodeString(retPattern); |
| UnicodeString retKey=UnicodeString(key, -1, US_INV); |
| if ( !isAvailableFormatSet(retKey) ) { |
| setAvailableFormat(retKey, err); |
| conflictingStatus = addPattern(format, FALSE, conflictingPattern, err); |
| } |
| } |
| } |
| ures_close(patBundle); |
| ures_close(gregorianBundle); |
| ures_close(calBundle); |
| ures_close(rb); |
| if (localeNameLen==0) { |
| break; |
| } |
| } |
| |
| if (hackPattern.length()>0) { |
| hackTimes(hackPattern, err); |
| } |
| } |
| |
| void |
| DateTimePatternGenerator::initHashtable(UErrorCode& err) { |
| if (fAvailableFormatKeyHash!=NULL) { |
| return; |
| } |
| if ((fAvailableFormatKeyHash = new Hashtable(FALSE, err))==NULL) { |
| err=U_MEMORY_ALLOCATION_ERROR; |
| return; |
| } |
| } |
| |
| |
| void |
| DateTimePatternGenerator::setAppendItemFormat(UDateTimePatternField field, const UnicodeString& value) { |
| appendItemFormats[field] = value; |
| // NUL-terminate for the C API. |
| appendItemFormats[field].getTerminatedBuffer(); |
| } |
| |
| const UnicodeString& |
| DateTimePatternGenerator::getAppendItemFormat(UDateTimePatternField field) const { |
| return appendItemFormats[field]; |
| } |
| |
| void |
| DateTimePatternGenerator::setAppendItemName(UDateTimePatternField field, const UnicodeString& value) { |
| appendItemNames[field] = value; |
| // NUL-terminate for the C API. |
| appendItemNames[field].getTerminatedBuffer(); |
| } |
| |
| const UnicodeString& |
| DateTimePatternGenerator:: getAppendItemName(UDateTimePatternField field) const { |
| return appendItemNames[field]; |
| } |
| |
| void |
| DateTimePatternGenerator::getAppendName(UDateTimePatternField field, UnicodeString& value) { |
| value = SINGLE_QUOTE; |
| value += appendItemNames[field]; |
| value += SINGLE_QUOTE; |
| } |
| |
| UnicodeString |
| DateTimePatternGenerator::getBestPattern(const UnicodeString& patternForm, UErrorCode& status) { |
| const UnicodeString *bestPattern=NULL; |
| UnicodeString dtFormat; |
| UnicodeString resultPattern; |
| |
| int32_t dateMask=(1<<UDATPG_DAYPERIOD_FIELD) - 1; |
| int32_t timeMask=(1<<UDATPG_FIELD_COUNT) - 1 - dateMask; |
| |
| resultPattern.remove(); |
| if ( chineseMonthHack ) { |
| dtMatcher->set(getCJKPattern(patternForm), fp); |
| } |
| else { |
| dtMatcher->set(patternForm, fp); |
| } |
| bestPattern=getBestRaw(*dtMatcher, -1, distanceInfo); |
| if ( distanceInfo->missingFieldMask==0 && distanceInfo->extraFieldMask==0 ) { |
| resultPattern = adjustFieldTypes(*bestPattern, FALSE); |
| |
| return resultPattern; |
| } |
| int32_t neededFields = dtMatcher->getFieldMask(); |
| UnicodeString datePattern=getBestAppending(neededFields & dateMask); |
| UnicodeString timePattern=getBestAppending(neededFields & timeMask); |
| if (datePattern.length()==0) { |
| if (timePattern.length()==0) { |
| resultPattern.remove(); |
| } |
| else { |
| return timePattern; |
| } |
| } |
| if (timePattern.length()==0) { |
| return datePattern; |
| } |
| resultPattern.remove(); |
| status = U_ZERO_ERROR; |
| dtFormat=getDateTimeFormat(); |
| Formattable dateTimeObject[] = { timePattern, datePattern }; |
| resultPattern = MessageFormat::format(dtFormat, dateTimeObject, 2, resultPattern, status ); |
| return resultPattern; |
| } |
| |
| UnicodeString |
| DateTimePatternGenerator::replaceFieldTypes(const UnicodeString& pattern, |
| const UnicodeString& skeleton, |
| UErrorCode& /*status*/) { |
| dtMatcher->set(skeleton, fp); |
| UnicodeString result = adjustFieldTypes(pattern, FALSE); |
| return result; |
| } |
| |
| void |
| DateTimePatternGenerator::setDecimal(const UnicodeString& newDecimal) { |
| this->decimal = newDecimal; |
| // NUL-terminate for the C API. |
| this->decimal.getTerminatedBuffer(); |
| } |
| |
| const UnicodeString& |
| DateTimePatternGenerator::getDecimal() const { |
| return decimal; |
| } |
| |
| void |
| DateTimePatternGenerator::addCanonicalItems() { |
| UnicodeString conflictingPattern; |
| UDateTimePatternConflict conflictingStatus; |
| UErrorCode status = U_ZERO_ERROR; |
| |
| for (int32_t i=0; i<UDATPG_FIELD_COUNT; i++) { |
| conflictingStatus = addPattern(UnicodeString(Canonical_Items[i]), FALSE, conflictingPattern, status); |
| } |
| } |
| |
| void |
| DateTimePatternGenerator::setDateTimeFormat(const UnicodeString& dtFormat) { |
| dateTimeFormat = dtFormat; |
| // NUL-terminate for the C API. |
| dateTimeFormat.getTerminatedBuffer(); |
| } |
| |
| const UnicodeString& |
| DateTimePatternGenerator::getDateTimeFormat() const { |
| return dateTimeFormat; |
| } |
| |
| void |
| DateTimePatternGenerator::setDateTimeFromCalendar(const Locale& locale, UErrorCode& status) { |
| const UChar *resStr; |
| int32_t resStrLen = 0; |
| |
| Calendar* fCalendar = Calendar::createInstance(locale, status); |
| CalendarData calData(locale, fCalendar?fCalendar->getType():NULL, status); |
| UResourceBundle *dateTimePatterns = calData.getByKey(DT_DateTimePatternsTag, status); |
| if (U_FAILURE(status)) return; |
| |
| if (ures_getSize(dateTimePatterns) <= DateFormat::kDateTime) |
| { |
| status = U_INVALID_FORMAT_ERROR; |
| return; |
| } |
| resStr = ures_getStringByIndex(dateTimePatterns, (int32_t)DateFormat::kDateTime, &resStrLen, &status); |
| setDateTimeFormat(UnicodeString(TRUE, resStr, resStrLen)); |
| |
| delete fCalendar; |
| } |
| |
| void |
| DateTimePatternGenerator::setDecimalSymbols(const Locale& locale, UErrorCode& status) { |
| DecimalFormatSymbols dfs = DecimalFormatSymbols(locale, status); |
| if(U_SUCCESS(status)) { |
| decimal = dfs.getSymbol(DecimalFormatSymbols::kDecimalSeparatorSymbol); |
| // NUL-terminate for the C API. |
| decimal.getTerminatedBuffer(); |
| } |
| } |
| |
| UDateTimePatternConflict |
| DateTimePatternGenerator::addPattern( |
| const UnicodeString& pattern, |
| UBool override, |
| UnicodeString &conflictingPattern, |
| UErrorCode& status) |
| { |
| |
| UnicodeString basePattern; |
| PtnSkeleton skeleton; |
| UDateTimePatternConflict conflictingStatus = UDATPG_NO_CONFLICT; |
| |
| DateTimeMatcher matcher; |
| matcher.set(pattern, fp, skeleton); |
| matcher.getBasePattern(basePattern); |
| const UnicodeString *duplicatePattern = patternMap->getPatternFromBasePattern(basePattern); |
| if (duplicatePattern != NULL ) { |
| conflictingStatus = UDATPG_BASE_CONFLICT; |
| conflictingPattern = *duplicatePattern; |
| if (!override) { |
| return conflictingStatus; |
| } |
| } |
| duplicatePattern = patternMap->getPatternFromSkeleton(skeleton); |
| if (duplicatePattern != NULL ) { |
| conflictingStatus = UDATPG_CONFLICT; |
| conflictingPattern = *duplicatePattern; |
| if (!override) { |
| return conflictingStatus; |
| } |
| } |
| patternMap->add(basePattern, skeleton, pattern, status); |
| if(U_FAILURE(status)) { |
| return conflictingStatus; |
| } |
| |
| return UDATPG_NO_CONFLICT; |
| } |
| |
| |
| UDateTimePatternField |
| DateTimePatternGenerator::getAppendFormatNumber(const char* field) const { |
| for (int32_t i=0; i<UDATPG_FIELD_COUNT; ++i ) { |
| if (uprv_strcmp(CLDR_FIELD_APPEND[i], field)==0) { |
| return (UDateTimePatternField)i; |
| } |
| } |
| return UDATPG_FIELD_COUNT; |
| } |
| |
| UDateTimePatternField |
| DateTimePatternGenerator::getAppendNameNumber(const char* field) const { |
| for (int32_t i=0; i<UDATPG_FIELD_COUNT; ++i ) { |
| if (uprv_strcmp(CLDR_FIELD_NAME[i],field)==0) { |
| return (UDateTimePatternField)i; |
| } |
| } |
| return UDATPG_FIELD_COUNT; |
| } |
| |
| const UnicodeString* |
| DateTimePatternGenerator::getBestRaw(DateTimeMatcher& source, |
| int32_t includeMask, |
| DistanceInfo* missingFields) { |
| int32_t bestDistance = 0x7fffffff; |
| DistanceInfo tempInfo; |
| const UnicodeString *bestPattern=NULL; |
| |
| PatternMapIterator it; |
| for (it.set(*patternMap); it.hasNext(); ) { |
| DateTimeMatcher trial = it.next(); |
| if (trial.equals(skipMatcher)) { |
| continue; |
| } |
| int32_t distance=source.getDistance(trial, includeMask, tempInfo); |
| if (distance<bestDistance) { |
| bestDistance=distance; |
| bestPattern=patternMap->getPatternFromSkeleton(*trial.getSkeletonPtr()); |
| missingFields->setTo(tempInfo); |
| if (distance==0) { |
| break; |
| } |
| } |
| } |
| |
| return bestPattern; |
| } |
| |
| UnicodeString |
| DateTimePatternGenerator::adjustFieldTypes(const UnicodeString& pattern, |
| UBool fixFractionalSeconds) { |
| UnicodeString newPattern; |
| fp->set(pattern); |
| for (int32_t i=0; i < fp->itemNumber; i++) { |
| UnicodeString field = fp->items[i]; |
| if ( fp->isQuoteLiteral(field) ) { |
| |
| UnicodeString quoteLiteral; |
| fp->getQuoteLiteral(quoteLiteral, &i); |
| newPattern += quoteLiteral; |
| } |
| else { |
| if (fp->isPatternSeparator(field)) { |
| newPattern+=field; |
| continue; |
| } |
| int32_t canonicalIndex = fp->getCanonicalIndex(field); |
| if (canonicalIndex < 0) { |
| newPattern+=field; |
| continue; // don't adjust |
| } |
| const dtTypeElem *row = &dtTypes[canonicalIndex]; |
| int32_t typeValue = row->field; |
| if (fixFractionalSeconds && typeValue == UDATPG_SECOND_FIELD) { |
| UnicodeString newField=dtMatcher->skeleton.original[UDATPG_FRACTIONAL_SECOND_FIELD]; |
| field = field + decimal + newField; |
| } |
| else { |
| if (dtMatcher->skeleton.type[typeValue]!=0) { |
| UnicodeString newField=dtMatcher->skeleton.original[typeValue]; |
| if (typeValue!= UDATPG_HOUR_FIELD) { |
| field=newField; |
| } |
| else { |
| if (field.length()!=newField.length()) { |
| UChar c=field.charAt(0); |
| field.remove(); |
| for (int32_t i=newField.length(); i>0; --i) { |
| field+=c; |
| } |
| } |
| } |
| } |
| newPattern+=field; |
| } |
| } |
| } |
| return newPattern; |
| } |
| |
| UnicodeString |
| DateTimePatternGenerator::getBestAppending(int32_t missingFields) { |
| UnicodeString resultPattern, tempPattern, formattedPattern; |
| UErrorCode err=U_ZERO_ERROR; |
| int32_t lastMissingFieldMask=0; |
| if (missingFields!=0) { |
| resultPattern=UnicodeString(); |
| tempPattern = *getBestRaw(*dtMatcher, missingFields, distanceInfo); |
| resultPattern = adjustFieldTypes(tempPattern, FALSE); |
| if ( distanceInfo->missingFieldMask==0 ) { |
| return resultPattern; |
| } |
| while (distanceInfo->missingFieldMask!=0) { // precondition: EVERY single field must work! |
| if ( lastMissingFieldMask == distanceInfo->missingFieldMask ) { |
| break; // cannot find the proper missing field |
| } |
| if (((distanceInfo->missingFieldMask & UDATPG_SECOND_AND_FRACTIONAL_MASK)==UDATPG_FRACTIONAL_MASK) && |
| ((missingFields & UDATPG_SECOND_AND_FRACTIONAL_MASK) == UDATPG_SECOND_AND_FRACTIONAL_MASK)) { |
| resultPattern = adjustFieldTypes(resultPattern, FALSE); |
| //resultPattern = tempPattern; |
| distanceInfo->missingFieldMask &= ~UDATPG_FRACTIONAL_MASK; |
| continue; |
| } |
| int32_t startingMask = distanceInfo->missingFieldMask; |
| tempPattern = *getBestRaw(*dtMatcher, distanceInfo->missingFieldMask, distanceInfo); |
| tempPattern = adjustFieldTypes(tempPattern, FALSE); |
| int32_t foundMask=startingMask& ~distanceInfo->missingFieldMask; |
| int32_t topField=getTopBitNumber(foundMask); |
| UnicodeString appendName; |
| getAppendName((UDateTimePatternField)topField, appendName); |
| const Formattable formatPattern[] = { |
| resultPattern, |
| tempPattern, |
| appendName |
| }; |
| UnicodeString emptyStr; |
| formattedPattern = MessageFormat::format(appendItemFormats[topField], formatPattern, 3, emptyStr, err); |
| lastMissingFieldMask = distanceInfo->missingFieldMask; |
| } |
| } |
| return formattedPattern; |
| } |
| |
| int32_t |
| DateTimePatternGenerator::getTopBitNumber(int32_t foundMask) { |
| if ( foundMask==0 ) { |
| return 0; |
| } |
| int32_t i=0; |
| while (foundMask!=0) { |
| foundMask >>=1; |
| ++i; |
| } |
| if (i-1 >UDATPG_ZONE_FIELD) { |
| return UDATPG_ZONE_FIELD; |
| } |
| else |
| return i-1; |
| } |
| |
| void |
| DateTimePatternGenerator::setAvailableFormat(const UnicodeString &key, UErrorCode& err) |
| { |
| fAvailableFormatKeyHash->puti(key, 1, err); |
| } |
| |
| UBool |
| DateTimePatternGenerator::isAvailableFormatSet(const UnicodeString &key) const { |
| return (UBool)(fAvailableFormatKeyHash->geti(key) == 1); |
| } |
| |
| void |
| DateTimePatternGenerator::copyHashtable(Hashtable *other, UErrorCode &status) { |
| |
| if (other == NULL) { |
| return; |
| } |
| if (fAvailableFormatKeyHash != NULL) { |
| delete fAvailableFormatKeyHash; |
| fAvailableFormatKeyHash = NULL; |
| } |
| initHashtable(status); |
| if(U_FAILURE(status)){ |
| return; |
| } |
| int32_t pos = -1; |
| const UHashElement* elem = NULL; |
| // walk through the hash table and create a deep clone |
| while((elem = other->nextElement(pos))!= NULL){ |
| const UHashTok otherKeyTok = elem->key; |
| UnicodeString* otherKey = (UnicodeString*)otherKeyTok.pointer; |
| fAvailableFormatKeyHash->puti(*otherKey, 1, status); |
| if(U_FAILURE(status)){ |
| return; |
| } |
| } |
| } |
| |
| StringEnumeration* |
| DateTimePatternGenerator::getSkeletons(UErrorCode& status) const { |
| StringEnumeration* skeletonEnumerator = new DTSkeletonEnumeration(*patternMap, DT_SKELETON, status); |
| return skeletonEnumerator; |
| } |
| |
| const UnicodeString& |
| DateTimePatternGenerator::getPatternForSkeleton(const UnicodeString& skeleton) const { |
| PtnElem *curElem; |
| |
| if (skeleton.length() ==0) { |
| return emptyString; |
| } |
| curElem = patternMap->getHeader(skeleton.charAt(0)); |
| while ( curElem != NULL ) { |
| if ( curElem->skeleton->getSkeleton()==skeleton ) { |
| return curElem->pattern; |
| } |
| curElem=curElem->next; |
| } |
| return emptyString; |
| } |
| |
| StringEnumeration* |
| DateTimePatternGenerator::getBaseSkeletons(UErrorCode& status) const { |
| StringEnumeration* baseSkeletonEnumerator = new DTSkeletonEnumeration(*patternMap, DT_BASESKELETON, status); |
| return baseSkeletonEnumerator; |
| } |
| |
| StringEnumeration* |
| DateTimePatternGenerator::getRedundants(UErrorCode& status) { |
| StringEnumeration* output = new DTRedundantEnumeration(); |
| const UnicodeString *pattern; |
| PatternMapIterator it; |
| for (it.set(*patternMap); it.hasNext(); ) { |
| DateTimeMatcher current = it.next(); |
| pattern = patternMap->getPatternFromSkeleton(*(it.getSkeleton())); |
| if ( isCanonicalItem(*pattern) ) { |
| continue; |
| } |
| if ( skipMatcher == NULL ) { |
| skipMatcher = new DateTimeMatcher(current); |
| } |
| else { |
| *skipMatcher = current; |
| } |
| UnicodeString trial = getBestPattern(current.getPattern(), status); |
| if (trial == *pattern) { |
| ((DTRedundantEnumeration *)output)->add(*pattern, status); |
| } |
| if (current.equals(skipMatcher)) { |
| continue; |
| } |
| } |
| return output; |
| } |
| |
| UBool |
| DateTimePatternGenerator::isCanonicalItem(const UnicodeString& item) const { |
| if ( item.length() != 1 ) { |
| return FALSE; |
| } |
| for (int32_t i=0; i<UDATPG_FIELD_COUNT; ++i) { |
| if (item.charAt(0)==Canonical_Items[i]) { |
| return TRUE; |
| } |
| } |
| return FALSE; |
| } |
| |
| |
| DateTimePatternGenerator* |
| DateTimePatternGenerator::clone() const { |
| return new DateTimePatternGenerator(*this); |
| } |
| |
| // If the pattern contains more than 3 'M', replace with "MM" |
| UnicodeString |
| DateTimePatternGenerator::getCJKPattern(const UnicodeString& origPattern) { |
| UnicodeString result = UnicodeString(origPattern); |
| int32_t start, count; |
| |
| start=0; |
| if ((start < result.length()) && |
| ((start = result.indexOf(CAP_M, start)) >=0 )) { |
| count=1; |
| while ( result.charAt(start+count) == CAP_M ) { |
| if ( start+count++ >= result.length() ) { |
| break; |
| } |
| } |
| if ( count >=3 ) { |
| UChar sMM[3] = { CAP_M, CAP_M, 0 }; |
| UnicodeString shortMM = UnicodeString(sMM); |
| result = result.replace(start, count, shortMM); |
| } |
| start+=count; |
| } |
| return result; |
| } |
| |
| PatternMap::PatternMap() { |
| for (int32_t i=0; i < MAX_PATTERN_ENTRIES; ++i ) { |
| boot[i]=NULL; |
| } |
| isDupAllowed = TRUE; |
| } |
| |
| void |
| PatternMap::copyFrom(const PatternMap& other, UErrorCode& status) { |
| this->isDupAllowed = other.isDupAllowed; |
| for (int32_t bootIndex=0; bootIndex<MAX_PATTERN_ENTRIES; ++bootIndex ) { |
| PtnElem *curElem, *otherElem, *prevElem=NULL; |
| otherElem = other.boot[bootIndex]; |
| while (otherElem!=NULL) { |
| if ((curElem = new PtnElem(otherElem->basePattern, otherElem->pattern))==NULL) { |
| // out of memory |
| status = U_MEMORY_ALLOCATION_ERROR; |
| return; |
| } |
| if ( this->boot[bootIndex]== NULL ) { |
| this->boot[bootIndex] = curElem; |
| } |
| if ((curElem->skeleton=new PtnSkeleton(*(otherElem->skeleton))) == NULL ) { |
| // out of memory |
| status = U_MEMORY_ALLOCATION_ERROR; |
| return; |
| } |
| |
| if (prevElem!=NULL) { |
| prevElem->next=curElem; |
| } |
| curElem->next=NULL; |
| prevElem = curElem; |
| otherElem = otherElem->next; |
| } |
| |
| } |
| } |
| |
| PtnElem* |
| PatternMap::getHeader(UChar baseChar) { |
| PtnElem* curElem; |
| |
| if ( (baseChar >= CAP_A) && (baseChar <= CAP_Z) ) { |
| curElem = boot[baseChar-CAP_A]; |
| } |
| else { |
| if ( (baseChar >=LOW_A) && (baseChar <= LOW_Z) ) { |
| curElem = boot[26+baseChar-LOW_A]; |
| } |
| else { |
| return NULL; |
| } |
| } |
| return curElem; |
| } |
| |
| PatternMap::~PatternMap() { |
| for (int32_t i=0; i < MAX_PATTERN_ENTRIES; ++i ) { |
| if (boot[i]!=NULL ) { |
| delete boot[i]; |
| boot[i]=NULL; |
| } |
| } |
| } // PatternMap destructor |
| |
| void |
| PatternMap::add(const UnicodeString& basePattern, |
| const PtnSkeleton& skeleton, |
| const UnicodeString& value,// mapped pattern value |
| UErrorCode &status) { |
| UChar baseChar = basePattern.charAt(0); |
| PtnElem *curElem, *baseElem; |
| status = U_ZERO_ERROR; |
| |
| // the baseChar must be A-Z or a-z |
| if ((baseChar >= CAP_A) && (baseChar <= CAP_Z)) { |
| baseElem = boot[baseChar-CAP_A]; |
| } |
| else { |
| if ((baseChar >=LOW_A) && (baseChar <= LOW_Z)) { |
| baseElem = boot[26+baseChar-LOW_A]; |
| } |
| else { |
| status = U_ILLEGAL_CHARACTER; |
| return; |
| } |
| } |
| |
| if (baseElem == NULL) { |
| if ((curElem = new PtnElem(basePattern, value)) == NULL ) { |
| // out of memory |
| status = U_MEMORY_ALLOCATION_ERROR; |
| return; |
| } |
| if (baseChar >= LOW_A) { |
| boot[26 + (baseChar-LOW_A)] = curElem; |
| } |
| else { |
| boot[baseChar-CAP_A] = curElem; |
| } |
| curElem->skeleton = new PtnSkeleton(skeleton); |
| } |
| if ( baseElem != NULL ) { |
| curElem = getDuplicateElem(basePattern, skeleton, baseElem); |
| |
| if (curElem == NULL) { |
| // add new element to the list. |
| curElem = baseElem; |
| while( curElem -> next != NULL ) |
| { |
| curElem = curElem->next; |
| } |
| if ((curElem->next = new PtnElem(basePattern, value)) == NULL ) { |
| // out of memory |
| status = U_MEMORY_ALLOCATION_ERROR; |
| return; |
| } |
| curElem=curElem->next; |
| curElem->skeleton = new PtnSkeleton(skeleton); |
| } |
| else { |
| // Pattern exists in the list already. |
| if ( !isDupAllowed ) { |
| return; |
| } |
| // Overwrite the value. |
| curElem->pattern = value; |
| } |
| } |
| } // PatternMap::add |
| |
| // Find the pattern from the given basePattern string. |
| const UnicodeString * |
| PatternMap::getPatternFromBasePattern(UnicodeString& basePattern) { // key to search for |
| PtnElem *curElem; |
| |
| if ((curElem=getHeader(basePattern.charAt(0)))==NULL) { |
| return NULL; // no match |
| } |
| |
| do { |
| if ( basePattern.compare(curElem->basePattern)==0 ) { |
| return &(curElem->pattern); |
| } |
| curElem=curElem->next; |
| }while (curElem != NULL); |
| |
| return NULL; |
| } // PatternMap::getFromBasePattern |
| |
| |
| // Find the pattern from the given skeleton. |
| const UnicodeString * |
| PatternMap::getPatternFromSkeleton(PtnSkeleton& skeleton) { // key to search for |
| PtnElem *curElem; |
| |
| // find boot entry |
| UChar baseChar='\0'; |
| for (int32_t i=0; i<UDATPG_FIELD_COUNT; ++i) { |
| if (skeleton.baseOriginal[i].length() !=0 ) { |
| baseChar = skeleton.baseOriginal[i].charAt(0); |
| break; |
| } |
| } |
| |
| if ((curElem=getHeader(baseChar))==NULL) { |
| return NULL; // no match |
| } |
| |
| do { |
| int32_t i=0; |
| for (i=0; i<UDATPG_FIELD_COUNT; ++i) { |
| if (curElem->skeleton->baseOriginal[i].compare(skeleton.baseOriginal[i]) != 0 ) |
| { |
| break; |
| } |
| } |
| if (i == UDATPG_FIELD_COUNT) { |
| return &(curElem->pattern); |
| } |
| curElem=curElem->next; |
| }while (curElem != NULL); |
| |
| return NULL; |
| } |
| |
| UBool |
| PatternMap::equals(const PatternMap& other) { |
| if ( this==&other ) { |
| return TRUE; |
| } |
| for (int32_t bootIndex=0; bootIndex<MAX_PATTERN_ENTRIES; ++bootIndex ) { |
| if ( boot[bootIndex]==other.boot[bootIndex] ) { |
| continue; |
| } |
| if ( (boot[bootIndex]==NULL)||(other.boot[bootIndex]==NULL) ) { |
| return FALSE; |
| } |
| PtnElem *otherElem = other.boot[bootIndex]; |
| PtnElem *myElem = boot[bootIndex]; |
| while ((otherElem!=NULL) || (myElem!=NULL)) { |
| if ( myElem == otherElem ) { |
| break; |
| } |
| if ((otherElem==NULL) || (myElem==NULL)) { |
| return FALSE; |
| } |
| if ( (myElem->basePattern != otherElem->basePattern) || |
| (myElem->pattern != otherElem->pattern) ) { |
| return FALSE; |
| } |
| if ((myElem->skeleton!=otherElem->skeleton)&& |
| !myElem->skeleton->equals(*(otherElem->skeleton))) { |
| return FALSE; |
| } |
| myElem = myElem->next; |
| otherElem=otherElem->next; |
| } |
| } |
| return TRUE; |
| } |
| |
| // find any key existing in the mapping table already. |
| // return TRUE if there is an existing key, otherwise return FALSE. |
| PtnElem* |
| PatternMap::getDuplicateElem( |
| const UnicodeString &basePattern, |
| const PtnSkeleton &skeleton, |
| PtnElem *baseElem) { |
| PtnElem *curElem; |
| |
| if ( baseElem == (PtnElem *)NULL ) { |
| return (PtnElem*)NULL; |
| } |
| else { |
| curElem = baseElem; |
| } |
| do { |
| if ( basePattern.compare(curElem->basePattern)==0 ) { |
| UBool isEqual=TRUE; |
| for (int32_t i=0; i<UDATPG_FIELD_COUNT; ++i) { |
| if (curElem->skeleton->type[i] != skeleton.type[i] ) { |
| isEqual=FALSE; |
| break; |
| } |
| } |
| if (isEqual) { |
| return curElem; |
| } |
| } |
| curElem = curElem->next; |
| } while( curElem != (PtnElem *)NULL ); |
| |
| // end of the list |
| return (PtnElem*)NULL; |
| |
| } // PatternMap::getDuplicateElem |
| |
| DateTimeMatcher::DateTimeMatcher(void) { |
| } |
| |
| DateTimeMatcher::DateTimeMatcher(const DateTimeMatcher& other) { |
| copyFrom(other.skeleton); |
| } |
| |
| |
| void |
| DateTimeMatcher::set(const UnicodeString& pattern, FormatParser* fp) { |
| PtnSkeleton localSkeleton; |
| return set(pattern, fp, localSkeleton); |
| } |
| |
| void |
| DateTimeMatcher::set(const UnicodeString& pattern, FormatParser* fp, PtnSkeleton& skeletonResult) { |
| int32_t i; |
| for (i=0; i<UDATPG_FIELD_COUNT; ++i) { |
| skeletonResult.type[i]=NONE; |
| } |
| fp->set(pattern); |
| for (i=0; i < fp->itemNumber; i++) { |
| UnicodeString field = fp->items[i]; |
| if ( field.charAt(0) == LOW_A ) { |
| continue; // skip 'a' |
| } |
| |
| if ( fp->isQuoteLiteral(field) ) { |
| UnicodeString quoteLiteral; |
| fp->getQuoteLiteral(quoteLiteral, &i); |
| continue; |
| } |
| int32_t canonicalIndex = fp->getCanonicalIndex(field); |
| if (canonicalIndex < 0 ) { |
| continue; |
| } |
| const dtTypeElem *row = &dtTypes[canonicalIndex]; |
| int32_t typeValue = row->field; |
| skeletonResult.original[typeValue]=field; |
| UChar repeatChar = row->patternChar; |
| int32_t repeatCount = row->minLen > 3 ? 3: row->minLen; |
| while (repeatCount-- > 0) { |
| skeletonResult.baseOriginal[typeValue] += repeatChar; |
| } |
| int16_t subTypeValue = row->type; |
| if ( row->type > 0) { |
| subTypeValue += field.length(); |
| } |
| skeletonResult.type[typeValue] = (int8_t)subTypeValue; |
| } |
| copyFrom(skeletonResult); |
| } |
| |
| void |
| DateTimeMatcher::getBasePattern(UnicodeString &result ) { |
| result.remove(); // Reset the result first. |
| for (int32_t i=0; i<UDATPG_FIELD_COUNT; ++i ) { |
| if (skeleton.baseOriginal[i].length()!=0) { |
| result += skeleton.baseOriginal[i]; |
| } |
| } |
| } |
| |
| UnicodeString |
| DateTimeMatcher::getPattern() { |
| UnicodeString result; |
| |
| for (int32_t i=0; i<UDATPG_FIELD_COUNT; ++i ) { |
| if (skeleton.original[i].length()!=0) { |
| result += skeleton.original[i]; |
| } |
| } |
| return result; |
| } |
| |
| int32_t |
| DateTimeMatcher::getDistance(const DateTimeMatcher& other, int32_t includeMask, DistanceInfo& distanceInfo) { |
| int32_t result=0; |
| distanceInfo.clear(); |
| for (int32_t i=0; i<UDATPG_FIELD_COUNT; ++i ) { |
| int32_t myType = (includeMask&(1<<i))==0 ? 0 : skeleton.type[i]; |
| int32_t otherType = other.skeleton.type[i]; |
| if (myType==otherType) { |
| continue; |
| } |
| if (myType==0) {// and other is not |
| result += EXTRA_FIELD; |
| distanceInfo.addExtra(i); |
| } |
| else { |
| if (otherType==0) { |
| result += MISSING_FIELD; |
| distanceInfo.addMissing(i); |
| } |
| else { |
| result += abs(myType - otherType); |
| } |
| } |
| |
| } |
| return result; |
| } |
| |
| void |
| DateTimeMatcher::copyFrom(const PtnSkeleton& newSkeleton) { |
| for (int32_t i=0; i<UDATPG_FIELD_COUNT; ++i) { |
| this->skeleton.type[i]=newSkeleton.type[i]; |
| this->skeleton.original[i]=newSkeleton.original[i]; |
| this->skeleton.baseOriginal[i]=newSkeleton.baseOriginal[i]; |
| } |
| } |
| |
| void |
| DateTimeMatcher::copyFrom() { |
| // same as clear |
| for (int32_t i=0; i<UDATPG_FIELD_COUNT; ++i) { |
| this->skeleton.type[i]=0; |
| this->skeleton.original[i].remove(); |
| this->skeleton.baseOriginal[i].remove(); |
| } |
| } |
| |
| UBool |
| DateTimeMatcher::equals(const DateTimeMatcher* other) const { |
| if (other==NULL) { |
| return FALSE; |
| } |
| for (int32_t i=0; i<UDATPG_FIELD_COUNT; ++i) { |
| if (this->skeleton.original[i]!=other->skeleton.original[i] ) { |
| return FALSE; |
| } |
| } |
| return TRUE; |
| } |
| |
| int32_t |
| DateTimeMatcher::getFieldMask() { |
| int32_t result=0; |
| |
| for (int32_t i=0; i<UDATPG_FIELD_COUNT; ++i) { |
| if (skeleton.type[i]!=0) { |
| result |= (1<<i); |
| } |
| } |
| return result; |
| } |
| |
| PtnSkeleton* |
| DateTimeMatcher::getSkeletonPtr() { |
| return &skeleton; |
| } |
| |
| FormatParser::FormatParser () { |
| status = START; |
| itemNumber=0; |
| } |
| |
| |
| FormatParser::~FormatParser () { |
| } |
| |
| |
| // Find the next token with the starting position and length |
| // Note: the startPos may |
| FormatParser::TokenStatus |
| FormatParser::setTokens(const UnicodeString& pattern, int32_t startPos, int32_t *len) { |
| int32_t curLoc = startPos; |
| if ( curLoc >= pattern.length()) { |
| return DONE; |
| } |
| // check the current char is between A-Z or a-z |
| do { |
| UChar c=pattern.charAt(curLoc); |
| if ( (c>=CAP_A && c<=CAP_Z) || (c>=LOW_A && c<=LOW_Z) ) { |
| curLoc++; |
| } |
| else { |
| startPos = curLoc; |
| *len=1; |
| return ADD_TOKEN; |
| } |
| |
| if ( pattern.charAt(curLoc)!= pattern.charAt(startPos) ) { |
| break; // not the same token |
| } |
| } while(curLoc <= pattern.length()); |
| *len = curLoc-startPos; |
| return ADD_TOKEN; |
| } |
| |
| void |
| FormatParser::set(const UnicodeString& pattern) { |
| int32_t startPos=0; |
| TokenStatus result=START; |
| int32_t len=0; |
| itemNumber =0; |
| |
| do { |
| result = setTokens( pattern, startPos, &len ); |
| if ( result == ADD_TOKEN ) |
| { |
| items[itemNumber++] = UnicodeString(pattern, startPos, len ); |
| startPos += len; |
| } |
| else { |
| break; |
| } |
| } while (result==ADD_TOKEN && itemNumber < MAX_DT_TOKEN); |
| } |
| |
| int32_t |
| FormatParser::getCanonicalIndex(const UnicodeString& s) { |
| int32_t len = s.length(); |
| UChar ch = s.charAt(0); |
| int32_t i=0; |
| |
| while (dtTypes[i].patternChar!='\0') { |
| if ( dtTypes[i].patternChar!=ch ) { |
| ++i; |
| continue; |
| } |
| if (dtTypes[i].patternChar!=dtTypes[i+1].patternChar) { |
| return i; |
| } |
| if (dtTypes[i+1].minLen <= len) { |
| ++i; |
| continue; |
| } |
| return i; |
| } |
| return -1; |
| } |
| |
| UBool |
| FormatParser::isQuoteLiteral(const UnicodeString& s) const { |
| return (UBool)(s.charAt(0)==SINGLE_QUOTE); |
| } |
| |
| // This function aussumes the current itemIndex points to the quote literal. |
| // Please call isQuoteLiteral prior to this function. |
| void |
| FormatParser::getQuoteLiteral(UnicodeString& quote, int32_t *itemIndex) { |
| int32_t i=*itemIndex; |
| |
| quote.remove(); |
| if (items[i].charAt(0)==SINGLE_QUOTE) { |
| quote += items[i]; |
| ++i; |
| } |
| while ( i < itemNumber ) { |
| if ( items[i].charAt(0)==SINGLE_QUOTE ) { |
| if ( (i+1<itemNumber) && (items[i+1].charAt(0)==SINGLE_QUOTE)) { |
| // two single quotes e.g. 'o''clock' |
| quote += items[i++]; |
| quote += items[i++]; |
| continue; |
| } |
| else { |
| quote += items[i]; |
| break; |
| } |
| } |
| else { |
| quote += items[i]; |
| } |
| ++i; |
| } |
| *itemIndex=i; |
| } |
| |
| UBool |
| FormatParser::isPatternSeparator(UnicodeString& field) { |
| for (int32_t i=0; i<field.length(); ++i ) { |
| UChar c= field.charAt(i); |
| if ( (c==SINGLE_QUOTE) || (c==BACKSLASH) || (c==SPACE) || (c==COLON) || |
| (c==QUOTATION_MARK) || (c==COMMA) || (c==HYPHEN) ||(items[i].charAt(0)==DOT) ) { |
| continue; |
| } |
| else { |
| return FALSE; |
| } |
| } |
| return TRUE; |
| } |
| |
| void |
| DistanceInfo::setTo(DistanceInfo &other) { |
| missingFieldMask = other.missingFieldMask; |
| extraFieldMask= other.extraFieldMask; |
| } |
| |
| PatternMapIterator::PatternMapIterator() { |
| bootIndex = 0; |
| nodePtr = NULL; |
| patternMap=NULL; |
| matcher= new DateTimeMatcher(); |
| } |
| |
| |
| PatternMapIterator::~PatternMapIterator() { |
| delete matcher; |
| } |
| |
| void |
| PatternMapIterator::set(PatternMap& newPatternMap) { |
| this->patternMap=&newPatternMap; |
| } |
| |
| PtnSkeleton* |
| PatternMapIterator::getSkeleton() { |
| if ( nodePtr == NULL ) { |
| return NULL; |
| } |
| else { |
| return nodePtr->skeleton; |
| } |
| } |
| |
| UBool |
| PatternMapIterator::hasNext() { |
| int32_t headIndex=bootIndex; |
| PtnElem *curPtr=nodePtr; |
| |
| if (patternMap==NULL) { |
| return FALSE; |
| } |
| while ( headIndex < MAX_PATTERN_ENTRIES ) { |
| if ( curPtr != NULL ) { |
| if ( curPtr->next != NULL ) { |
| return TRUE; |
| } |
| else { |
| headIndex++; |
| curPtr=NULL; |
| continue; |
| } |
| } |
| else { |
| if ( patternMap->boot[headIndex] != NULL ) { |
| return TRUE; |
| } |
| else { |
| headIndex++; |
| continue; |
| } |
| } |
| |
| } |
| return FALSE; |
| } |
| |
| DateTimeMatcher& |
| PatternMapIterator::next() { |
| while ( bootIndex < MAX_PATTERN_ENTRIES ) { |
| if ( nodePtr != NULL ) { |
| if ( nodePtr->next != NULL ) { |
| nodePtr = nodePtr->next; |
| break; |
| } |
| else { |
| bootIndex++; |
| nodePtr=NULL; |
| continue; |
| } |
| } |
| else { |
| if ( patternMap->boot[bootIndex] != NULL ) { |
| nodePtr = patternMap->boot[bootIndex]; |
| break; |
| } |
| else { |
| bootIndex++; |
| continue; |
| } |
| } |
| } |
| if (nodePtr!=NULL) { |
| matcher->copyFrom(*nodePtr->skeleton); |
| } |
| else { |
| matcher->copyFrom(); |
| } |
| return *matcher; |
| } |
| |
| PtnSkeleton::PtnSkeleton() { |
| } |
| |
| |
| PtnSkeleton::PtnSkeleton(const PtnSkeleton& other) { |
| for (int32_t i=0; i<UDATPG_FIELD_COUNT; ++i) { |
| this->type[i]=other.type[i]; |
| this->original[i]=other.original[i]; |
| this->baseOriginal[i]=other.baseOriginal[i]; |
| } |
| } |
| |
| UBool |
| PtnSkeleton::equals(const PtnSkeleton& other) { |
| for (int32_t i=0; i<UDATPG_FIELD_COUNT; ++i) { |
| if ( (type[i]!= other.type[i]) || |
| (original[i]!=other.original[i]) || |
| (baseOriginal[i]!=other.baseOriginal[i]) ) { |
| return FALSE; |
| } |
| } |
| return TRUE; |
| } |
| |
| UnicodeString |
| PtnSkeleton::getSkeleton() { |
| UnicodeString result; |
| |
| for(int32_t i=0; i< UDATPG_FIELD_COUNT; ++i) { |
| if (original[i].length()!=0) { |
| result += original[i]; |
| } |
| } |
| return result; |
| } |
| |
| UnicodeString |
| PtnSkeleton::getBaseSkeleton() { |
| UnicodeString result; |
| |
| for(int32_t i=0; i< UDATPG_FIELD_COUNT; ++i) { |
| if (baseOriginal[i].length()!=0) { |
| result += baseOriginal[i]; |
| } |
| } |
| return result; |
| } |
| |
| PtnSkeleton::~PtnSkeleton() { |
| } |
| |
| PtnElem::PtnElem(const UnicodeString &basePat, const UnicodeString &pat) : |
| basePattern(basePat), |
| skeleton(NULL), |
| pattern(pat), |
| next(NULL) |
| { |
| } |
| |
| PtnElem::~PtnElem() { |
| |
| if (next!=NULL) { |
| delete next; |
| } |
| delete skeleton; |
| } |
| |
| DTSkeletonEnumeration::DTSkeletonEnumeration(PatternMap &patternMap, dtStrEnum type, UErrorCode& status) { |
| PtnElem *curElem; |
| PtnSkeleton *curSkeleton; |
| UnicodeString s; |
| int32_t bootIndex; |
| |
| pos=0; |
| fSkeletons = new UVector(status); |
| if (U_FAILURE(status)) { |
| delete fSkeletons; |
| return; |
| } |
| for (bootIndex=0; bootIndex<MAX_PATTERN_ENTRIES; ++bootIndex ) { |
| curElem = patternMap.boot[bootIndex]; |
| while (curElem!=NULL) { |
| switch(type) { |
| case DT_BASESKELETON: |
| s=curElem->basePattern; |
| break; |
| case DT_PATTERN: |
| s=curElem->pattern; |
| break; |
| case DT_SKELETON: |
| curSkeleton=curElem->skeleton; |
| s=curSkeleton->getSkeleton(); |
| break; |
| } |
| if ( !isCanonicalItem(s) ) { |
| fSkeletons->addElement(new UnicodeString(s), status); |
| if (U_FAILURE(status)) { |
| delete fSkeletons; |
| fSkeletons = NULL; |
| return; |
| } |
| } |
| curElem = curElem->next; |
| } |
| } |
| if ((bootIndex==MAX_PATTERN_ENTRIES) && (curElem!=NULL) ) { |
| status = U_BUFFER_OVERFLOW_ERROR; |
| } |
| } |
| |
| const UnicodeString* |
| DTSkeletonEnumeration::snext(UErrorCode& status) { |
| if (U_SUCCESS(status) && pos < fSkeletons->size()) { |
| return (const UnicodeString*)fSkeletons->elementAt(pos++); |
| } |
| return NULL; |
| } |
| |
| void |
| DTSkeletonEnumeration::reset(UErrorCode& /*status*/) { |
| pos=0; |
| } |
| |
| int32_t |
| DTSkeletonEnumeration::count(UErrorCode& /*status*/) const { |
| return (fSkeletons==NULL) ? 0 : fSkeletons->size(); |
| } |
| |
| UBool |
| DTSkeletonEnumeration::isCanonicalItem(const UnicodeString& item) { |
| if ( item.length() != 1 ) { |
| return FALSE; |
| } |
| for (int32_t i=0; i<UDATPG_FIELD_COUNT; ++i) { |
| if (item.charAt(0)==Canonical_Items[i]) { |
| return TRUE; |
| } |
| } |
| return FALSE; |
| } |
| |
| DTSkeletonEnumeration::~DTSkeletonEnumeration() { |
| UnicodeString *s; |
| for (int32_t i=0; i<fSkeletons->size(); ++i) { |
| if ((s=(UnicodeString *)fSkeletons->elementAt(i))!=NULL) { |
| delete s; |
| } |
| } |
| delete fSkeletons; |
| } |
| |
| DTRedundantEnumeration::DTRedundantEnumeration() { |
| pos=0; |
| fPatterns = NULL; |
| } |
| |
| void |
| DTRedundantEnumeration::add(const UnicodeString& pattern, UErrorCode& status) { |
| if (U_FAILURE(status)) return; |
| if (fPatterns == NULL) { |
| fPatterns = new UVector(status); |
| if (U_FAILURE(status)) { |
| delete fPatterns; |
| fPatterns = NULL; |
| return; |
| } |
| } |
| fPatterns->addElement(new UnicodeString(pattern), status); |
| if (U_FAILURE(status)) { |
| delete fPatterns; |
| fPatterns = NULL; |
| return; |
| } |
| } |
| |
| const UnicodeString* |
| DTRedundantEnumeration::snext(UErrorCode& status) { |
| if (U_SUCCESS(status) && pos < fPatterns->size()) { |
| return (const UnicodeString*)fPatterns->elementAt(pos++); |
| } |
| return NULL; |
| } |
| |
| void |
| DTRedundantEnumeration::reset(UErrorCode& /*status*/) { |
| pos=0; |
| } |
| |
| int32_t |
| DTRedundantEnumeration::count(UErrorCode& /*status*/) const { |
| return (fPatterns==NULL) ? 0 : fPatterns->size(); |
| } |
| |
| UBool |
| DTRedundantEnumeration::isCanonicalItem(const UnicodeString& item) { |
| if ( item.length() != 1 ) { |
| return FALSE; |
| } |
| for (int32_t i=0; i<UDATPG_FIELD_COUNT; ++i) { |
| if (item.charAt(0)==Canonical_Items[i]) { |
| return TRUE; |
| } |
| } |
| return FALSE; |
| } |
| |
| DTRedundantEnumeration::~DTRedundantEnumeration() { |
| UnicodeString *s; |
| for (int32_t i=0; i<fPatterns->size(); ++i) { |
| if ((s=(UnicodeString *)fPatterns->elementAt(i))!=NULL) { |
| delete s; |
| } |
| } |
| delete fPatterns; |
| } |
| |
| U_NAMESPACE_END |
| |
| |
| #endif /* #if !UCONFIG_NO_FORMATTING */ |
| |
| //eof |
