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scuffed-code/icu4c/source/i18n/dtptngen.cpp
Peter Edberg 98723ad2bd ICU-7180 For hour field, change default behavior to not adjust pattern 
field length to match requested skeleton. For getBestPattern,replaceFieldTypes
add option to override this, forcing pattern field length to match skeleton.

X-SVN-Rev: 27036
2009-12-10 09:13:49 +00:00

2155 lines
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/*
*******************************************************************************
* Copyright (C) 2007-2009, 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/uloc.h"
#include "unicode/ures.h"
#include "unicode/ustring.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]))
#if U_CHARSET_FAMILY==U_EBCDIC_FAMILY
/**
* If we are on EBCDIC, use an iterator which will
* traverse the bundles in ASCII order.
*/
#define U_USE_ASCII_BUNDLE_ITERATOR
#define U_SORT_ASCII_BUNDLE_ITERATOR
#endif
#if defined(U_USE_ASCII_BUNDLE_ITERATOR)
#include "unicode/ustring.h"
#include "uarrsort.h"
struct UResAEntry {
UChar *key;
UResourceBundle *item;
};
struct UResourceBundleAIterator {
UResourceBundle *bund;
UResAEntry *entries;
int32_t num;
int32_t cursor;
};
/* Must be C linkage to pass function pointer to the sort function */
#if !defined (OS390) && !defined (OS400)
extern "C"
#endif
static int32_t U_CALLCONV
ures_a_codepointSort(const void *context, const void *left, const void *right) {
//CompareContext *cmp=(CompareContext *)context;
return u_strcmp(((const UResAEntry *)left)->key,
((const UResAEntry *)right)->key);
}
static void ures_a_open(UResourceBundleAIterator *aiter, UResourceBundle *bund, UErrorCode *status) {
if(U_FAILURE(*status)) {
return;
}
aiter->bund = bund;
aiter->num = ures_getSize(aiter->bund);
aiter->cursor = 0;
#if !defined(U_SORT_ASCII_BUNDLE_ITERATOR)
aiter->entries = NULL;
#else
aiter->entries = (UResAEntry*)uprv_malloc(sizeof(UResAEntry)*aiter->num);
for(int i=0;i<aiter->num;i++) {
aiter->entries[i].item = ures_getByIndex(aiter->bund, i, NULL, status);
const char *akey = ures_getKey(aiter->entries[i].item);
int32_t len = uprv_strlen(akey)+1;
aiter->entries[i].key = (UChar*)uprv_malloc(len*sizeof(UChar));
u_charsToUChars(akey, aiter->entries[i].key, len);
}
uprv_sortArray(aiter->entries, aiter->num, sizeof(UResAEntry), ures_a_codepointSort, NULL, TRUE, status);
#endif
}
static void ures_a_close(UResourceBundleAIterator *aiter) {
#if defined(U_SORT_ASCII_BUNDLE_ITERATOR)
for(int i=0;i<aiter->num;i++) {
uprv_free(aiter->entries[i].key);
ures_close(aiter->entries[i].item);
}
#endif
}
static const UChar *ures_a_getNextString(UResourceBundleAIterator *aiter, int32_t *len, const char **key, UErrorCode *err) {
#if !defined(U_SORT_ASCII_BUNDLE_ITERATOR)
return ures_getNextString(aiter->bund, len, key, err);
#else
if(U_FAILURE(*err)) return NULL;
UResourceBundle *item = aiter->entries[aiter->cursor].item;
const UChar* ret = ures_getString(item, len, err);
*key = ures_getKey(item);
aiter->cursor++;
return ret;
#endif
}
#endif
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},
{LOW_Q, UDATPG_QUARTER_FIELD, DT_NUMERIC + DT_DELTA, 1, 2},
{LOW_Q, UDATPG_QUARTER_FIELD, DT_SHORT + DT_DELTA, 3, 0},
{LOW_Q, UDATPG_QUARTER_FIELD, DT_LONG + DT_DELTA, 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 don't 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},
{CAP_V, UDATPG_ZONE_FIELD, DT_SHORT - DT_DELTA, 1, 3},
{CAP_V, 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" };
// 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)
{
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;
fDefaultHourFormatChar = other.fDefaultHourFormatChar;
*fp = *(other.fp);
dtMatcher->copyFrom(other.dtMatcher->skeleton);
*distanceInfo = *(other.distanceInfo);
dateTimeFormat = other.dateTimeFormat;
decimal = other.decimal;
// 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)) {
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(); // unused
skipMatcher = NULL;
fAvailableFormatKeyHash=NULL;
addCanonicalItems();
addICUPatterns(locale, status);
if (U_FAILURE(status)) {
return;
}
addCLDRData(locale, status);
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;
}
}
}
}
}
}
}
#define ULOC_LOCALE_IDENTIFIER_CAPACITY (ULOC_FULLNAME_CAPACITY + 1 + ULOC_KEYWORD_AND_VALUES_CAPACITY)
static const UChar hourFormatChars[] = { CAP_H, LOW_H, CAP_K, LOW_K, 0 }; // HhKk, the hour format characters
void
DateTimePatternGenerator::addCLDRData(const Locale& locale, UErrorCode& err) {
UResourceBundle *rb, *calTypeBundle, *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.
err = U_ZERO_ERROR;
fDefaultHourFormatChar = 0;
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);
if (rb == NULL || U_FAILURE(err)) {
return;
}
const char *curLocaleName=ures_getLocaleByType(rb, ULOC_ACTUAL_LOCALE, &err);
const char * calendarTypeToUse = DT_DateTimeGregorianTag; // initial default
char calendarType[ULOC_KEYWORDS_CAPACITY]; // to be filled in with the type to use, if all goes well
if ( U_SUCCESS(err) ) {
char localeWithCalendarKey[ULOC_LOCALE_IDENTIFIER_CAPACITY];
// obtain a locale that always has the calendar key value that should be used
(void)ures_getFunctionalEquivalent(localeWithCalendarKey, ULOC_LOCALE_IDENTIFIER_CAPACITY, NULL,
"calendar", "calendar", locale.getName(), NULL, FALSE, &err);
localeWithCalendarKey[ULOC_LOCALE_IDENTIFIER_CAPACITY-1] = 0; // ensure null termination
// now get the calendar key value from that locale
int32_t calendarTypeLen = uloc_getKeywordValue(localeWithCalendarKey, "calendar", calendarType, ULOC_KEYWORDS_CAPACITY, &err);
if (U_SUCCESS(err) && calendarTypeLen < ULOC_KEYWORDS_CAPACITY) {
calendarTypeToUse = calendarType;
}
err = U_ZERO_ERROR;
}
calBundle = ures_getByKeyWithFallback(rb, DT_DateTimeCalendarTag, NULL, &err);
calTypeBundle = ures_getByKeyWithFallback(calBundle, calendarTypeToUse, NULL, &err);
key=NULL;
int32_t dtCount=0;
patBundle = ures_getByKeyWithFallback(calTypeBundle, 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);
} else if (dtCount==4) { // short time format
// set fDefaultHourFormatChar to the hour format character from this pattern
int32_t tfIdx, tfLen = rbPattern.length();
UBool ignoreChars = FALSE;
for (tfIdx = 0; tfIdx < tfLen; tfIdx++) {
UChar tfChar = rbPattern.charAt(tfIdx);
if ( tfChar == SINGLE_QUOTE ) {
ignoreChars = !ignoreChars; // toggle (handle quoted literals & '' for single quote)
} else if ( !ignoreChars && u_strchr(hourFormatChars, tfChar) != NULL ) {
fDefaultHourFormatChar = tfChar;
break;
}
}
}
}
}
ures_close(patBundle);
err = U_ZERO_ERROR;
patBundle = ures_getByKeyWithFallback(calTypeBundle, 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(calTypeBundle, 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(calTypeBundle, DT_DateTimeAvailableFormatsTag, NULL, &err);
if (U_SUCCESS(err)) {
int32_t numberKeys = ures_getSize(patBundle);
int32_t len;
const UChar *retPattern;
key=NULL;
#if defined(U_USE_ASCII_BUNDLE_ITERATOR)
UResourceBundleAIterator aiter;
ures_a_open(&aiter, patBundle, &err);
#endif
for(i=0; i<numberKeys; ++i) {
#if defined(U_USE_ASCII_BUNDLE_ITERATOR)
retPattern=ures_a_getNextString(&aiter, &len, &key, &err);
#else
retPattern=ures_getNextString(patBundle, &len, &key, &err);
#endif
UnicodeString format=UnicodeString(retPattern);
UnicodeString retKey=UnicodeString(key, -1, US_INV);
setAvailableFormat(retKey, err);
// Add pattern with its associated skeleton. Override any duplicate derived from std patterns,
// but not a previous availableFormats entry:
conflictingStatus = addPatternWithSkeleton(format, &retKey, TRUE, conflictingPattern, err);
}
#if defined(U_USE_ASCII_BUNDLE_ITERATOR)
ures_a_close(&aiter);
#endif
}
ures_close(patBundle);
ures_close(calTypeBundle);
ures_close(calBundle);
ures_close(rb);
err = U_ZERO_ERROR;
char parentLocale[50];
int32_t localeNameLen=0;
uprv_strcpy(parentLocale, curLocaleName);
while((localeNameLen=uloc_getParent(parentLocale, parentLocale, 50, &err))>=0 ) {
rb = ures_open(NULL, parentLocale, &err);
curLocaleName=ures_getLocaleByType(rb, ULOC_ACTUAL_LOCALE, &err);
uprv_strcpy(parentLocale, curLocaleName);
calBundle = ures_getByKey(rb, DT_DateTimeCalendarTag, NULL, &err);
calTypeBundle = ures_getByKey(calBundle, calendarTypeToUse, NULL, &err);
patBundle = ures_getByKeyWithFallback(calTypeBundle, DT_DateTimeAvailableFormatsTag, NULL, &err);
if (U_SUCCESS(err)) {
int32_t numberKeys = ures_getSize(patBundle);
int32_t len;
const UChar *retPattern;
key=NULL;
#if defined(U_USE_ASCII_BUNDLE_ITERATOR)
UResourceBundleAIterator aiter;
ures_a_open(&aiter, patBundle, &err);
#endif
for(i=0; i<numberKeys; ++i) {
#if defined(U_USE_ASCII_BUNDLE_ITERATOR)
retPattern=ures_a_getNextString(&aiter, &len, &key, &err);
#else
retPattern=ures_getNextString(patBundle, &len, &key, &err);
#endif
UnicodeString format=UnicodeString(retPattern);
UnicodeString retKey=UnicodeString(key, -1, US_INV);
if ( !isAvailableFormatSet(retKey) ) {
setAvailableFormat(retKey, err);
// Add pattern with its associated skeleton. Override any duplicate derived from std patterns,
// but not a previous availableFormats entry:
conflictingStatus = addPatternWithSkeleton(format, &retKey, TRUE, conflictingPattern, err);
}
}
#if defined(U_USE_ASCII_BUNDLE_ITERATOR)
ures_a_close(&aiter);
#endif
}
err = U_ZERO_ERROR; // reset; if this locale lacks the necessary data, need to keep checking up to root.
ures_close(patBundle);
ures_close(calTypeBundle);
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) {
return getBestPattern(patternForm, UDATPG_MATCH_NO_OPTIONS, status);
}
UnicodeString
DateTimePatternGenerator::getBestPattern(const UnicodeString& patternForm, UDateTimePatternMatchOptions options, 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;
UnicodeString patternFormCopy = UnicodeString(patternForm);
patternFormCopy.findAndReplace(UnicodeString(LOW_J), UnicodeString(fDefaultHourFormatChar));
resultPattern.remove();
dtMatcher->set(patternFormCopy, fp);
const PtnSkeleton* specifiedSkeleton=NULL;
bestPattern=getBestRaw(*dtMatcher, -1, distanceInfo, &specifiedSkeleton);
if ( distanceInfo->missingFieldMask==0 && distanceInfo->extraFieldMask==0 ) {
resultPattern = adjustFieldTypes(*bestPattern, specifiedSkeleton, FALSE, options);
return resultPattern;
}
int32_t neededFields = dtMatcher->getFieldMask();
UnicodeString datePattern=getBestAppending(neededFields & dateMask, options);
UnicodeString timePattern=getBestAppending(neededFields & timeMask, options);
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) {
return replaceFieldTypes(pattern, skeleton, UDATPG_MATCH_NO_OPTIONS, status);
}
UnicodeString
DateTimePatternGenerator::replaceFieldTypes(const UnicodeString& pattern,
const UnicodeString& skeleton,
UDateTimePatternMatchOptions options,
UErrorCode& /*status*/) {
dtMatcher->set(skeleton, fp);
UnicodeString result = adjustFieldTypes(pattern, NULL, FALSE, options);
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)
{
return addPatternWithSkeleton(pattern, NULL, override, conflictingPattern, status);
}
// For DateTimePatternGenerator::addPatternWithSkeleton -
// If skeletonToUse is specified, then an availableFormats entry is being added. In this case:
// 1. We pass that skeleton to matcher.set instead of having it derive a skeleton from the pattern.
// 2. If the new entry's skeleton or basePattern does match an existing entry but that entry also had a skeleton specified
// (i.e. it was also from availableFormats), then the new entry does not override it regardless of the value of the override
// parameter. This prevents later availableFormats entries from a parent locale overriding earlier ones from the actual
// specified locale. However, availableFormats entries *should* override entries with matching skeleton whose skeleton was
// derived (i.e. entries derived from the standard date/time patters for the specified locale).
// 3. When adding the pattern (patternMap->add), we set a new boolean to indicate that the added entry had a
// specified skeleton (which sets a new field in the PtnElem in the PatternMap).
UDateTimePatternConflict
DateTimePatternGenerator::addPatternWithSkeleton(
const UnicodeString& pattern,
const UnicodeString* skeletonToUse,
UBool override,
UnicodeString& conflictingPattern,
UErrorCode& status)
{
UnicodeString basePattern;
PtnSkeleton skeleton;
UDateTimePatternConflict conflictingStatus = UDATPG_NO_CONFLICT;
DateTimeMatcher matcher;
if ( skeletonToUse == NULL ) {
matcher.set(pattern, fp, skeleton);
matcher.getBasePattern(basePattern);
} else {
matcher.set(*skeletonToUse, fp, skeleton); // this still trims skeleton fields to max len 3, may need to change it.
matcher.getBasePattern(basePattern); // or perhaps instead: basePattern = *skeletonToUse;
}
UBool entryHadSpecifiedSkeleton;
const UnicodeString *duplicatePattern = patternMap->getPatternFromBasePattern(basePattern, entryHadSpecifiedSkeleton);
if (duplicatePattern != NULL ) {
conflictingStatus = UDATPG_BASE_CONFLICT;
conflictingPattern = *duplicatePattern;
if (!override || (skeletonToUse != NULL && entryHadSpecifiedSkeleton)) {
return conflictingStatus;
}
}
const PtnSkeleton* entrySpecifiedSkeleton = NULL;
duplicatePattern = patternMap->getPatternFromSkeleton(skeleton, &entrySpecifiedSkeleton);
if (duplicatePattern != NULL ) {
conflictingStatus = UDATPG_CONFLICT;
conflictingPattern = *duplicatePattern;
if (!override || (skeletonToUse != NULL && entrySpecifiedSkeleton != NULL)) {
return conflictingStatus;
}
}
patternMap->add(basePattern, skeleton, pattern, skeletonToUse != NULL, 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,
const PtnSkeleton** specifiedSkeletonPtr) {
int32_t bestDistance = 0x7fffffff;
DistanceInfo tempInfo;
const UnicodeString *bestPattern=NULL;
const PtnSkeleton* specifiedSkeleton=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(), &specifiedSkeleton);
missingFields->setTo(tempInfo);
if (distance==0) {
break;
}
}
}
// If the best raw match had a specified skeleton and that skeleton was requested by the caller,
// then return it too. This generally happens when the caller needs to pass that skeleton
// through to adjustFieldTypes so the latter can do a better job.
if (bestPattern && specifiedSkeletonPtr) {
*specifiedSkeletonPtr = specifiedSkeleton;
}
return bestPattern;
}
UnicodeString
DateTimePatternGenerator::adjustFieldTypes(const UnicodeString& pattern,
const PtnSkeleton* specifiedSkeleton,
UBool fixFractionalSeconds,
UDateTimePatternMatchOptions options) {
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) {
// Here:
// - "reqField" is the field from the originally requested skeleton, with length
// "reqFieldLen".
// - "field" is the field from the found pattern.
//
// The adjusted field should consist of characters from the originally requested
// skeleton, except in the case of UDATPG_HOUR_FIELD or UDATPG_MONTH_FIELD, in
// which case it should consist of characters from the found pattern.
//
// The length of the adjusted field (adjFieldLen) should match that in the originally
// requested skeleton, except that in the following cases the length of the adjusted field
// should match that in the found pattern (i.e. the length of this pattern field should
// not be adjusted):
// 1. typeValue is UDATPG_HOUR_FIELD and the corresponding bit in options is not set (ticket
// #7180). Note, we may want to implement a similar change for other numeric fields (MM,
// dd, etc.) so the default behavior is to get locale preference for field length, but
// options bits can be used to override this.
// 2. There is a specified skeleton for the found pattern and one of the following is true:
// a) The length of the field in the skeleton (skelFieldLen) is equal to reqFieldLen.
// b) The pattern field is numeric and the skeleton field is not, or vice versa.
UnicodeString reqField = dtMatcher->skeleton.original[typeValue];
int32_t reqFieldLen = reqField.length();
int32_t adjFieldLen = reqFieldLen;
if (typeValue==UDATPG_HOUR_FIELD && (options & UDATPG_MATCH_HOUR_FIELD_LENGTH)==0) {
adjFieldLen = field.length();
} else if (specifiedSkeleton) {
UnicodeString skelField = specifiedSkeleton->original[typeValue];
int32_t skelFieldLen = skelField.length();
UBool patFieldIsNumeric = (row->type > 0);
UBool skelFieldIsNumeric = (specifiedSkeleton->type[typeValue] > 0);
if (skelFieldLen == reqFieldLen || (patFieldIsNumeric && !skelFieldIsNumeric) || (skelFieldIsNumeric && !patFieldIsNumeric)) {
// don't adjust the field length in the found pattern
adjFieldLen = field.length();
}
}
UChar c = (typeValue!= UDATPG_HOUR_FIELD && typeValue!= UDATPG_MONTH_FIELD)? reqField.charAt(0): field.charAt(0);
field.remove();
for (int32_t i=adjFieldLen; i>0; --i) {
field+=c;
}
}
newPattern+=field;
}
}
}
return newPattern;
}
UnicodeString
DateTimePatternGenerator::getBestAppending(int32_t missingFields, UDateTimePatternMatchOptions options) {
UnicodeString resultPattern, tempPattern, formattedPattern;
UErrorCode err=U_ZERO_ERROR;
int32_t lastMissingFieldMask=0;
if (missingFields!=0) {
resultPattern=UnicodeString();
const PtnSkeleton* specifiedSkeleton=NULL;
tempPattern = *getBestRaw(*dtMatcher, missingFields, distanceInfo, &specifiedSkeleton);
resultPattern = adjustFieldTypes(tempPattern, specifiedSkeleton, FALSE, options);
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, specifiedSkeleton, FALSE, options);
//resultPattern = tempPattern;
distanceInfo->missingFieldMask &= ~UDATPG_FRACTIONAL_MASK;
continue;
}
int32_t startingMask = distanceInfo->missingFieldMask;
tempPattern = *getBestRaw(*dtMatcher, distanceInfo->missingFieldMask, distanceInfo, &specifiedSkeleton);
tempPattern = adjustFieldTypes(tempPattern, specifiedSkeleton, FALSE, options);
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);
}
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
UBool skeletonWasSpecified,
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);
curElem->skeletonWasSpecified = skeletonWasSpecified;
}
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);
curElem->skeletonWasSpecified = skeletonWasSpecified;
}
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, UBool& skeletonWasSpecified) { // key to search for
PtnElem *curElem;
if ((curElem=getHeader(basePattern.charAt(0)))==NULL) {
return NULL; // no match
}
do {
if ( basePattern.compare(curElem->basePattern)==0 ) {
skeletonWasSpecified = curElem->skeletonWasSpecified;
return &(curElem->pattern);
}
curElem=curElem->next;
}while (curElem != NULL);
return NULL;
} // PatternMap::getFromBasePattern
// Find the pattern from the given skeleton.
// At least when this is called from getBestRaw & addPattern (in which case specifiedSkeletonPtr is non-NULL),
// the comparison should be based on skeleton.original (which is unique and tied to the distance measurement in bestRaw)
// and not skeleton.baseOriginal (which is not unique); otherwise we may pick a different skeleton than the one with the
// optimum distance value in getBestRaw. When this is called from public getRedundants (specifiedSkeletonPtr is NULL),
// for now it will continue to compare based on baseOriginal so as not to change the behavior unnecessarily.
const UnicodeString *
PatternMap::getPatternFromSkeleton(PtnSkeleton& skeleton, const PtnSkeleton** specifiedSkeletonPtr) { // key to search for
PtnElem *curElem;
if (specifiedSkeletonPtr) {
*specifiedSkeletonPtr = NULL;
}
// 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;
if (specifiedSkeletonPtr != NULL) { // called from DateTimePatternGenerator::getBestRaw or addPattern, use original
for (i=0; i<UDATPG_FIELD_COUNT; ++i) {
if (curElem->skeleton->original[i].compare(skeleton.original[i]) != 0 )
{
break;
}
}
} else { // called from DateTimePatternGenerator::getRedundants, use baseOriginal
for (i=0; i<UDATPG_FIELD_COUNT; ++i) {
if (curElem->skeleton->baseOriginal[i].compare(skeleton.baseOriginal[i]) != 0 )
{
break;
}
}
}
if (i == UDATPG_FIELD_COUNT) {
if (specifiedSkeletonPtr && curElem->skeletonWasSpecified) {
*specifiedSkeletonPtr = curElem->skeleton;
}
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] = 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, UBool strict) {
int32_t len = s.length();
if (len == 0) {
return -1;
}
UChar ch = s.charAt(0);
// Verify that all are the same character.
for (int32_t l = 1; l < len; l++) {
if (ch != s.charAt(l)) {
return -1;
}
}
int32_t i = 0;
int32_t bestRow = -1;
while (dtTypes[i].patternChar != '\0') {
if ( dtTypes[i].patternChar != ch ) {
++i;
continue;
}
bestRow = i;
if (dtTypes[i].patternChar != dtTypes[i+1].patternChar) {
return i;
}
if (dtTypes[i+1].minLen <= len) {
++i;
continue;
}
return i;
}
return strict ? -1 : bestRow;
}
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
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