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dtptngen.cpp
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dtptngen.cpp
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// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
*******************************************************************************
* Copyright (C) 2007-2016, 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/localpointer.h"
#include "unicode/simpleformatter.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 "unicode/region.h"
#include "bytesinkutil.h"
#include "cpputils.h"
#include "mutex.h"
#include "umutex.h"
#include "cmemory.h"
#include "cstring.h"
#include "locbased.h"
#include "hash.h"
#include "uhash.h"
#include "ulocimp.h"
#include "uresimp.h"
#include "ulocimp.h"
#include "dtptngen_impl.h"
#include "ucln_in.h"
#include "charstr.h"
#include "uassert.h"
#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 {
char16_t *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 */
U_CDECL_BEGIN
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);
}
U_CDECL_END
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 = nullptr;
#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, nullptr, status);
const char *akey = ures_getKey(aiter->entries[i].item);
int32_t len = uprv_strlen(akey)+1;
aiter->entries[i].key = (char16_t*)uprv_malloc(len*sizeof(char16_t));
u_charsToUChars(akey, aiter->entries[i].key, len);
}
uprv_sortArray(aiter->entries, aiter->num, sizeof(UResAEntry), ures_a_codepointSort, nullptr, 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 char16_t *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 nullptr;
UResourceBundle *item = aiter->entries[aiter->cursor].item;
const char16_t* ret = ures_getString(item, len, err);
*key = ures_getKey(item);
aiter->cursor++;
return ret;
#endif
}
#endif
U_NAMESPACE_BEGIN
// *****************************************************************************
// class DateTimePatternGenerator
// *****************************************************************************
static const char16_t Canonical_Items[] = {
// GyQMwWEDFdaHmsSv
CAP_G, LOW_Y, CAP_Q, CAP_M, LOW_W, CAP_W, CAP_E,
CAP_D, CAP_F, LOW_D, LOW_A, // The UDATPG_x_FIELD constants and these fields have a different order than in ICU4J
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},
{CAP_G, UDATPG_ERA_FIELD, DT_NARROW, 5, 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},
{LOW_R, UDATPG_YEAR_FIELD, DT_NUMERIC + 3*DT_DELTA, 1, 20},
{CAP_U, UDATPG_YEAR_FIELD, DT_SHORT, 1, 3},
{CAP_U, UDATPG_YEAR_FIELD, DT_LONG, 4, 0},
{CAP_U, UDATPG_YEAR_FIELD, DT_NARROW, 5, 0},
{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_Q, UDATPG_QUARTER_FIELD, DT_NARROW, 5, 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},
{LOW_Q, UDATPG_QUARTER_FIELD, DT_NARROW - DT_DELTA, 5, 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_L, UDATPG_MONTH_FIELD, DT_NUMERIC + DT_DELTA, 1, 1},
{LOW_W, UDATPG_WEEK_OF_YEAR_FIELD, DT_NUMERIC, 1, 2},
{CAP_W, UDATPG_WEEK_OF_MONTH_FIELD, DT_NUMERIC, 1, 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},
{CAP_E, UDATPG_WEEKDAY_FIELD, DT_SHORTER, 6, 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_C, UDATPG_WEEKDAY_FIELD, DT_SHORTER - 2*DT_DELTA, 6, 0},
{LOW_E, UDATPG_WEEKDAY_FIELD, DT_NUMERIC + DT_DELTA, 1, 2}, // LOW_E is currently not used in CLDR data, should not be canonical
{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},
{LOW_E, UDATPG_WEEKDAY_FIELD, DT_SHORTER - DT_DELTA, 6, 0},
{LOW_D, UDATPG_DAY_FIELD, DT_NUMERIC, 1, 2},
{LOW_G, UDATPG_DAY_FIELD, DT_NUMERIC + DT_DELTA, 1, 20}, // really internal use, so we don't care
{CAP_D, UDATPG_DAY_OF_YEAR_FIELD, DT_NUMERIC, 1, 3},
{CAP_F, UDATPG_DAY_OF_WEEK_IN_MONTH_FIELD, DT_NUMERIC, 1, 0},
{LOW_A, UDATPG_DAYPERIOD_FIELD, DT_SHORT, 1, 3},
{LOW_A, UDATPG_DAYPERIOD_FIELD, DT_LONG, 4, 0},
{LOW_A, UDATPG_DAYPERIOD_FIELD, DT_NARROW, 5, 0},
{LOW_B, UDATPG_DAYPERIOD_FIELD, DT_SHORT - DT_DELTA, 1, 3},
{LOW_B, UDATPG_DAYPERIOD_FIELD, DT_LONG - DT_DELTA, 4, 0},
{LOW_B, UDATPG_DAYPERIOD_FIELD, DT_NARROW - DT_DELTA, 5, 0},
// b needs to be closer to a than to B, so we make this 3*DT_DELTA
{CAP_B, UDATPG_DAYPERIOD_FIELD, DT_SHORT - 3*DT_DELTA, 1, 3},
{CAP_B, UDATPG_DAYPERIOD_FIELD, DT_LONG - 3*DT_DELTA, 4, 0},
{CAP_B, UDATPG_DAYPERIOD_FIELD, DT_NARROW - 3*DT_DELTA, 5, 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}, // 24 hour
{LOW_H, UDATPG_HOUR_FIELD, DT_NUMERIC, 1, 2}, // 12 hour
{CAP_K, UDATPG_HOUR_FIELD, DT_NUMERIC + DT_DELTA, 1, 2}, // 12 hour
// The C code has had versions of the following 3, keep & update. Should not need these, but...
// Without these, certain tests using e.g. staticGetSkeleton fail because j/J in patterns
// get skipped instead of mapped to the right hour chars, for example in
// DateFormatTest::TestPatternFromSkeleton
// IntlTestDateTimePatternGeneratorAPI:: testStaticGetSkeleton
// DateIntervalFormatTest::testTicket11985
// Need to investigate better handling of jJC replacement e.g. in staticGetSkeleton.
{CAP_J, UDATPG_HOUR_FIELD, DT_NUMERIC + 5*DT_DELTA, 1, 2}, // 12/24 hour no AM/PM
{LOW_J, UDATPG_HOUR_FIELD, DT_NUMERIC + 6*DT_DELTA, 1, 6}, // 12/24 hour
{CAP_C, UDATPG_HOUR_FIELD, DT_NUMERIC + 7*DT_DELTA, 1, 6}, // 12/24 hour with preferred dayPeriods for 12
{LOW_M, UDATPG_MINUTE_FIELD, DT_NUMERIC, 1, 2},
{LOW_S, UDATPG_SECOND_FIELD, DT_NUMERIC, 1, 2},
{CAP_A, UDATPG_SECOND_FIELD, DT_NUMERIC + DT_DELTA, 1, 1000},
{CAP_S, UDATPG_FRACTIONAL_SECOND_FIELD, DT_NUMERIC, 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_NARROW - DT_DELTA, 1, 3},
{CAP_Z, UDATPG_ZONE_FIELD, DT_LONG - DT_DELTA, 4, 0},
{CAP_Z, UDATPG_ZONE_FIELD, DT_SHORT - DT_DELTA, 5, 0},
{CAP_O, UDATPG_ZONE_FIELD, DT_SHORT - DT_DELTA, 1, 0},
{CAP_O, UDATPG_ZONE_FIELD, DT_LONG - DT_DELTA, 4, 0},
{CAP_V, UDATPG_ZONE_FIELD, DT_SHORT - DT_DELTA, 1, 0},
{CAP_V, UDATPG_ZONE_FIELD, DT_LONG - DT_DELTA, 2, 0},
{CAP_V, UDATPG_ZONE_FIELD, DT_LONG-1 - DT_DELTA, 3, 0},
{CAP_V, UDATPG_ZONE_FIELD, DT_LONG-2 - DT_DELTA, 4, 0},
{CAP_X, UDATPG_ZONE_FIELD, DT_NARROW - DT_DELTA, 1, 0},
{CAP_X, UDATPG_ZONE_FIELD, DT_SHORT - DT_DELTA, 2, 0},
{CAP_X, UDATPG_ZONE_FIELD, DT_LONG - DT_DELTA, 4, 0},
{LOW_X, UDATPG_ZONE_FIELD, DT_NARROW - DT_DELTA, 1, 0},
{LOW_X, UDATPG_ZONE_FIELD, DT_SHORT - DT_DELTA, 2, 0},
{LOW_X, 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", "*", // The UDATPG_x_FIELD constants and these fields have a different order than in ICU4J
"Hour", "Minute", "Second", "*", "Timezone"
};
static const char* const CLDR_FIELD_NAME[UDATPG_FIELD_COUNT] = {
"era", "year", "quarter", "month", "week", "weekOfMonth", "weekday",
"dayOfYear", "weekdayOfMonth", "day", "dayperiod", // The UDATPG_x_FIELD constants and these fields have a different order than in ICU4J
"hour", "minute", "second", "*", "zone"
};
static const char* const CLDR_FIELD_WIDTH[] = { // [UDATPG_WIDTH_COUNT]
"", "-short", "-narrow"
};
static constexpr UDateTimePGDisplayWidth UDATPG_WIDTH_APPENDITEM = UDATPG_WIDE;
static constexpr int32_t UDATPG_FIELD_KEY_MAX = 24; // max length of CLDR field tag (type + width)
// For appendItems
static const char16_t UDATPG_ItemFormat[]= {0x7B, 0x30, 0x7D, 0x20, 0x251C, 0x7B, 0x32, 0x7D, 0x3A,
0x20, 0x7B, 0x31, 0x7D, 0x2524, 0}; // {0} \u251C{2}: {1}\u2524
//static const char16_t repeatedPatterns[6]={CAP_G, CAP_E, LOW_Z, LOW_V, CAP_Q, 0}; // "GEzvQ"
static const char DT_DateTimePatternsTag[]="DateTimePatterns";
static const char DT_DateAtTimePatternsTag[]="DateTimePatterns%atTime";
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) {
if (U_FAILURE(status)) {
return nullptr;
}
LocalPointer<DateTimePatternGenerator> result(
new DateTimePatternGenerator(locale, status), status);
return U_SUCCESS(status) ? result.orphan() : nullptr;
}
DateTimePatternGenerator* U_EXPORT2
DateTimePatternGenerator::createInstanceNoStdPat(const Locale& locale, UErrorCode& status) {
if (U_FAILURE(status)) {
return nullptr;
}
LocalPointer<DateTimePatternGenerator> result(
new DateTimePatternGenerator(locale, status, true), status);
return U_SUCCESS(status) ? result.orphan() : nullptr;
}
DateTimePatternGenerator* U_EXPORT2
DateTimePatternGenerator::createEmptyInstance(UErrorCode& status) {
if (U_FAILURE(status)) {
return nullptr;
}
LocalPointer<DateTimePatternGenerator> result(
new DateTimePatternGenerator(status), status);
return U_SUCCESS(status) ? result.orphan() : nullptr;
}
DateTimePatternGenerator::DateTimePatternGenerator(UErrorCode &status) :
skipMatcher(nullptr),
fAvailableFormatKeyHash(nullptr),
fDefaultHourFormatChar(0),
internalErrorCode(U_ZERO_ERROR)
{
fp = new FormatParser();
dtMatcher = new DateTimeMatcher();
distanceInfo = new DistanceInfo();
patternMap = new PatternMap();
if (fp == nullptr || dtMatcher == nullptr || distanceInfo == nullptr || patternMap == nullptr) {
internalErrorCode = status = U_MEMORY_ALLOCATION_ERROR;
}
}
DateTimePatternGenerator::DateTimePatternGenerator(const Locale& locale, UErrorCode &status, UBool skipStdPatterns) :
skipMatcher(nullptr),
fAvailableFormatKeyHash(nullptr),
fDefaultHourFormatChar(0),
internalErrorCode(U_ZERO_ERROR)
{
fp = new FormatParser();
dtMatcher = new DateTimeMatcher();
distanceInfo = new DistanceInfo();
patternMap = new PatternMap();
if (fp == nullptr || dtMatcher == nullptr || distanceInfo == nullptr || patternMap == nullptr) {
internalErrorCode = status = U_MEMORY_ALLOCATION_ERROR;
}
else {
initData(locale, status, skipStdPatterns);
}
}
DateTimePatternGenerator::DateTimePatternGenerator(const DateTimePatternGenerator& other) :
UObject(),
skipMatcher(nullptr),
fAvailableFormatKeyHash(nullptr),
fDefaultHourFormatChar(0),
internalErrorCode(U_ZERO_ERROR)
{
fp = new FormatParser();
dtMatcher = new DateTimeMatcher();
distanceInfo = new DistanceInfo();
patternMap = new PatternMap();
if (fp == nullptr || dtMatcher == nullptr || distanceInfo == nullptr || patternMap == nullptr) {
internalErrorCode = U_MEMORY_ALLOCATION_ERROR;
}
*this=other;
}
DateTimePatternGenerator&
DateTimePatternGenerator::operator=(const DateTimePatternGenerator& other) {
// reflexive case
if (&other == this) {
return *this;
}
internalErrorCode = other.internalErrorCode;
pLocale = other.pLocale;
fDefaultHourFormatChar = other.fDefaultHourFormatChar;
*fp = *(other.fp);
dtMatcher->copyFrom(other.dtMatcher->skeleton);
*distanceInfo = *(other.distanceInfo);
for (int32_t style = UDAT_FULL; style <= UDAT_SHORT; style++) {
dateTimeFormat[style] = other.dateTimeFormat[style];
}
decimal = other.decimal;
for (int32_t style = UDAT_FULL; style <= UDAT_SHORT; style++) {
dateTimeFormat[style].getTerminatedBuffer(); // NUL-terminate for the C API.
}
decimal.getTerminatedBuffer();
delete skipMatcher;
if ( other.skipMatcher == nullptr ) {
skipMatcher = nullptr;
}
else {
skipMatcher = new DateTimeMatcher(*other.skipMatcher);
if (skipMatcher == nullptr)
{
internalErrorCode = U_MEMORY_ALLOCATION_ERROR;
return *this;
}
}
for (int32_t i=0; i< UDATPG_FIELD_COUNT; ++i ) {
appendItemFormats[i] = other.appendItemFormats[i];
appendItemFormats[i].getTerminatedBuffer(); // NUL-terminate for the C API.
for (int32_t j=0; j< UDATPG_WIDTH_COUNT; ++j ) {
fieldDisplayNames[i][j] = other.fieldDisplayNames[i][j];
fieldDisplayNames[i][j].getTerminatedBuffer(); // NUL-terminate for the C API.
}
}
patternMap->copyFrom(*other.patternMap, internalErrorCode);
copyHashtable(other.fAvailableFormatKeyHash, internalErrorCode);
return *this;
}
bool
DateTimePatternGenerator::operator==(const DateTimePatternGenerator& other) const {
if (this == &other) {
return true;
}
if ((pLocale==other.pLocale) && (patternMap->equals(*other.patternMap)) &&
(decimal==other.decimal)) {
for (int32_t style = UDAT_FULL; style <= UDAT_SHORT; style++) {
if (dateTimeFormat[style] != other.dateTimeFormat[style]) {
return false;
}
}
for ( int32_t i=0 ; i<UDATPG_FIELD_COUNT; ++i ) {
if (appendItemFormats[i] != other.appendItemFormats[i]) {
return false;
}
for (int32_t j=0; j< UDATPG_WIDTH_COUNT; ++j ) {
if (fieldDisplayNames[i][j] != other.fieldDisplayNames[i][j]) {
return false;
}
}
}
return true;
}
else {
return false;
}
}
bool
DateTimePatternGenerator::operator!=(const DateTimePatternGenerator& other) const {
return !operator==(other);
}
DateTimePatternGenerator::~DateTimePatternGenerator() {
if (fAvailableFormatKeyHash!=nullptr) {
delete fAvailableFormatKeyHash;
}
if (fp != nullptr) delete fp;
if (dtMatcher != nullptr) delete dtMatcher;
if (distanceInfo != nullptr) delete distanceInfo;
if (patternMap != nullptr) delete patternMap;
if (skipMatcher != nullptr) delete skipMatcher;
}
namespace {
UInitOnce initOnce {};
UHashtable *localeToAllowedHourFormatsMap = nullptr;
// Value deleter for hashmap.
U_CFUNC void U_CALLCONV deleteAllowedHourFormats(void *ptr) {
uprv_free(ptr);
}
// Close hashmap at cleanup.
U_CFUNC UBool U_CALLCONV allowedHourFormatsCleanup() {
uhash_close(localeToAllowedHourFormatsMap);
return true;
}
enum AllowedHourFormat{
ALLOWED_HOUR_FORMAT_UNKNOWN = -1,
ALLOWED_HOUR_FORMAT_h,
ALLOWED_HOUR_FORMAT_H,
ALLOWED_HOUR_FORMAT_K, // Added ICU-20383, used by JP
ALLOWED_HOUR_FORMAT_k, // Added ICU-20383, not currently used
ALLOWED_HOUR_FORMAT_hb,
ALLOWED_HOUR_FORMAT_hB,
ALLOWED_HOUR_FORMAT_Kb, // Added ICU-20383, not currently used
ALLOWED_HOUR_FORMAT_KB, // Added ICU-20383, not currently used
// ICU-20383 The following are unlikely and not currently used
ALLOWED_HOUR_FORMAT_Hb,
ALLOWED_HOUR_FORMAT_HB
};
} // namespace
void
DateTimePatternGenerator::initData(const Locale& locale, UErrorCode &status, UBool skipStdPatterns) {
//const char *baseLangName = locale.getBaseName(); // unused
skipMatcher = nullptr;
fAvailableFormatKeyHash=nullptr;
addCanonicalItems(status);
if (!skipStdPatterns) { // skip to prevent circular dependency when called from SimpleDateFormat::construct
addICUPatterns(locale, status);
}
addCLDRData(locale, status);
setDateTimeFromCalendar(locale, status);
setDecimalSymbols(locale, status);
umtx_initOnce(initOnce, loadAllowedHourFormatsData, status);
getAllowedHourFormats(locale, status);
// If any of the above methods failed then the object is in an invalid state.
internalErrorCode = status;
} // DateTimePatternGenerator::initData
namespace {
struct AllowedHourFormatsSink : public ResourceSink {
// Initialize sub-sinks.
AllowedHourFormatsSink() {}
virtual ~AllowedHourFormatsSink();
virtual void put(const char *key, ResourceValue &value, UBool /*noFallback*/,
UErrorCode &errorCode) override {
ResourceTable timeData = value.getTable(errorCode);
if (U_FAILURE(errorCode)) { return; }
for (int32_t i = 0; timeData.getKeyAndValue(i, key, value); ++i) {
const char *regionOrLocale = key;
ResourceTable formatList = value.getTable(errorCode);
if (U_FAILURE(errorCode)) { return; }
// below we construct a list[] that has an entry for the "preferred" value at [0],
// followed by 1 or more entries for the "allowed" values, terminated with an
// entry for ALLOWED_HOUR_FORMAT_UNKNOWN (not included in length below)
LocalMemory<int32_t> list;
int32_t length = 0;
int32_t preferredFormat = ALLOWED_HOUR_FORMAT_UNKNOWN;
for (int32_t j = 0; formatList.getKeyAndValue(j, key, value); ++j) {
if (uprv_strcmp(key, "allowed") == 0) {
if (value.getType() == URES_STRING) {
length = 2; // 1 preferred to add later, 1 allowed to add now
if (list.allocateInsteadAndReset(length + 1) == nullptr) {
errorCode = U_MEMORY_ALLOCATION_ERROR;
return;
}
list[1] = getHourFormatFromUnicodeString(value.getUnicodeString(errorCode));
}
else {
ResourceArray allowedFormats = value.getArray(errorCode);
length = allowedFormats.getSize() + 1; // 1 preferred, getSize allowed
if (list.allocateInsteadAndReset(length + 1) == nullptr) {
errorCode = U_MEMORY_ALLOCATION_ERROR;
return;
}
for (int32_t k = 1; k < length; ++k) {
allowedFormats.getValue(k-1, value);
list[k] = getHourFormatFromUnicodeString(value.getUnicodeString(errorCode));
}
}
} else if (uprv_strcmp(key, "preferred") == 0) {
preferredFormat = getHourFormatFromUnicodeString(value.getUnicodeString(errorCode));
}
}
if (length > 1) {
list[0] = (preferredFormat!=ALLOWED_HOUR_FORMAT_UNKNOWN)? preferredFormat: list[1];
} else {
// fallback handling for missing data
length = 2; // 1 preferred, 1 allowed
if (list.allocateInsteadAndReset(length + 1) == nullptr) {
errorCode = U_MEMORY_ALLOCATION_ERROR;
return;
}
list[0] = (preferredFormat!=ALLOWED_HOUR_FORMAT_UNKNOWN)? preferredFormat: ALLOWED_HOUR_FORMAT_H;
list[1] = list[0];
}
list[length] = ALLOWED_HOUR_FORMAT_UNKNOWN;
// At this point list[] will have at least two non-ALLOWED_HOUR_FORMAT_UNKNOWN entries,
// followed by ALLOWED_HOUR_FORMAT_UNKNOWN.
uhash_put(localeToAllowedHourFormatsMap, const_cast<char *>(regionOrLocale), list.orphan(), &errorCode);
if (U_FAILURE(errorCode)) { return; }
}
}
AllowedHourFormat getHourFormatFromUnicodeString(const UnicodeString &s) {
if (s.length() == 1) {
if (s[0] == LOW_H) { return ALLOWED_HOUR_FORMAT_h; }
if (s[0] == CAP_H) { return ALLOWED_HOUR_FORMAT_H; }
if (s[0] == CAP_K) { return ALLOWED_HOUR_FORMAT_K; }
if (s[0] == LOW_K) { return ALLOWED_HOUR_FORMAT_k; }
} else if (s.length() == 2) {
if (s[0] == LOW_H && s[1] == LOW_B) { return ALLOWED_HOUR_FORMAT_hb; }
if (s[0] == LOW_H && s[1] == CAP_B) { return ALLOWED_HOUR_FORMAT_hB; }
if (s[0] == CAP_K && s[1] == LOW_B) { return ALLOWED_HOUR_FORMAT_Kb; }
if (s[0] == CAP_K && s[1] == CAP_B) { return ALLOWED_HOUR_FORMAT_KB; }
if (s[0] == CAP_H && s[1] == LOW_B) { return ALLOWED_HOUR_FORMAT_Hb; }
if (s[0] == CAP_H && s[1] == CAP_B) { return ALLOWED_HOUR_FORMAT_HB; }
}
return ALLOWED_HOUR_FORMAT_UNKNOWN;
}
};
} // namespace
AllowedHourFormatsSink::~AllowedHourFormatsSink() {}
U_CFUNC void U_CALLCONV DateTimePatternGenerator::loadAllowedHourFormatsData(UErrorCode &status) {
if (U_FAILURE(status)) { return; }
localeToAllowedHourFormatsMap = uhash_open(
uhash_hashChars, uhash_compareChars, nullptr, &status);
if (U_FAILURE(status)) { return; }
uhash_setValueDeleter(localeToAllowedHourFormatsMap, deleteAllowedHourFormats);
ucln_i18n_registerCleanup(UCLN_I18N_ALLOWED_HOUR_FORMATS, allowedHourFormatsCleanup);
LocalUResourceBundlePointer rb(ures_openDirect(nullptr, "supplementalData", &status));
if (U_FAILURE(status)) { return; }
AllowedHourFormatsSink sink;
// TODO: Currently in the enumeration each table allocates a new array.
// Try to reduce the number of memory allocations. Consider storing a
// UVector32 with the concatenation of all of the sub-arrays, put the start index
// into the hashmap, store 6 single-value sub-arrays right at the beginning of the
// vector (at index enum*2) for easy data sharing, copy sub-arrays into runtime
// object. Remember to clean up the vector, too.
ures_getAllItemsWithFallback(rb.getAlias(), "timeData", sink, status);
}
static int32_t* getAllowedHourFormatsLangCountry(const char* language, const char* country, UErrorCode& status) {
CharString langCountry;
langCountry.append(language, status);
langCountry.append('_', status);
langCountry.append(country, status);
int32_t* allowedFormats;
allowedFormats = (int32_t *)uhash_get(localeToAllowedHourFormatsMap, langCountry.data());
if (allowedFormats == nullptr) {
allowedFormats = (int32_t *)uhash_get(localeToAllowedHourFormatsMap, const_cast<char *>(country));
}
return allowedFormats;
}
void DateTimePatternGenerator::getAllowedHourFormats(const Locale &locale, UErrorCode &status) {
if (U_FAILURE(status)) { return; }
const char *language = locale.getLanguage();
char baseCountry[8];
ulocimp_getRegionForSupplementalData(locale.getName(), false, baseCountry, 8, &status);
const char* country = baseCountry;
Locale maxLocale; // must be here for correct lifetime
if (*language == '\0' || *country == '\0') {
maxLocale = locale;
UErrorCode localStatus = U_ZERO_ERROR;
maxLocale.addLikelySubtags(localStatus);
if (U_SUCCESS(localStatus)) {
language = maxLocale.getLanguage();
country = maxLocale.getCountry();
}
}
if (*language == '\0') {
// Unexpected, but fail gracefully
language = "und";
}
if (*country == '\0') {
country = "001";
}
int32_t* allowedFormats = getAllowedHourFormatsLangCountry(language, country, status);
// We need to check if there is an hour cycle on locale
char buffer[8];
int32_t count = locale.getKeywordValue("hours", buffer, sizeof(buffer), status);
fDefaultHourFormatChar = 0;
if (U_SUCCESS(status) && count > 0) {
if(uprv_strcmp(buffer, "h24") == 0) {
fDefaultHourFormatChar = LOW_K;
} else if(uprv_strcmp(buffer, "h23") == 0) {
fDefaultHourFormatChar = CAP_H;
} else if(uprv_strcmp(buffer, "h12") == 0) {
fDefaultHourFormatChar = LOW_H;
} else if(uprv_strcmp(buffer, "h11") == 0) {
fDefaultHourFormatChar = CAP_K;
}
}
// Check if the region has an alias
if (allowedFormats == nullptr) {
UErrorCode localStatus = U_ZERO_ERROR;
const Region* region = Region::getInstance(country, localStatus);
if (U_SUCCESS(localStatus)) {
country = region->getRegionCode(); // the real region code
allowedFormats = getAllowedHourFormatsLangCountry(language, country, status);
}
}
if (allowedFormats != nullptr) { // Lookup is successful
// Here allowedFormats points to a list consisting of key for preferredFormat,
// followed by one or more keys for allowedFormats, then followed by ALLOWED_HOUR_FORMAT_UNKNOWN.
if (!fDefaultHourFormatChar) {
switch (allowedFormats[0]) {
case ALLOWED_HOUR_FORMAT_h: fDefaultHourFormatChar = LOW_H; break;
case ALLOWED_HOUR_FORMAT_H: fDefaultHourFormatChar = CAP_H; break;
case ALLOWED_HOUR_FORMAT_K: fDefaultHourFormatChar = CAP_K; break;
case ALLOWED_HOUR_FORMAT_k: fDefaultHourFormatChar = LOW_K; break;
default: fDefaultHourFormatChar = CAP_H; break;
}
}
for (int32_t i = 0; i < UPRV_LENGTHOF(fAllowedHourFormats); ++i) {
fAllowedHourFormats[i] = allowedFormats[i + 1];
if (fAllowedHourFormats[i] == ALLOWED_HOUR_FORMAT_UNKNOWN) {
break;
}
}
} else { // Lookup failed, twice
if (!fDefaultHourFormatChar) {
fDefaultHourFormatChar = CAP_H;
}
fAllowedHourFormats[0] = ALLOWED_HOUR_FORMAT_H;
fAllowedHourFormats[1] = ALLOWED_HOUR_FORMAT_UNKNOWN;
}
}
UDateFormatHourCycle
DateTimePatternGenerator::getDefaultHourCycle(UErrorCode& status) const {
if (U_FAILURE(status)) {
return UDAT_HOUR_CYCLE_23;
}
if (fDefaultHourFormatChar == 0) {
// We need to return something, but the caller should ignore it
// anyways since the returned status is a failure.
status = U_UNSUPPORTED_ERROR;
return UDAT_HOUR_CYCLE_23;
}
switch (fDefaultHourFormatChar) {
case CAP_K:
return UDAT_HOUR_CYCLE_11;
case LOW_H:
return UDAT_HOUR_CYCLE_12;
case CAP_H:
return UDAT_HOUR_CYCLE_23;
case LOW_K:
return UDAT_HOUR_CYCLE_24;
default:
UPRV_UNREACHABLE_EXIT;
}
}
UnicodeString
DateTimePatternGenerator::getSkeleton(const UnicodeString& pattern, UErrorCode&
/*status*/) {
FormatParser fp2;
DateTimeMatcher matcher;
PtnSkeleton localSkeleton;
matcher.set(pattern, &fp2, localSkeleton);
return localSkeleton.getSkeleton();
}
UnicodeString
DateTimePatternGenerator::staticGetSkeleton(
const UnicodeString& pattern, UErrorCode& /*status*/) {
FormatParser fp;
DateTimeMatcher matcher;
PtnSkeleton localSkeleton;
matcher.set(pattern, &fp, localSkeleton);
return localSkeleton.getSkeleton();
}
UnicodeString
DateTimePatternGenerator::getBaseSkeleton(const UnicodeString& pattern, UErrorCode& /*status*/) {
FormatParser fp2;
DateTimeMatcher matcher;
PtnSkeleton localSkeleton;
matcher.set(pattern, &fp2, localSkeleton);
return localSkeleton.getBaseSkeleton();
}
UnicodeString
DateTimePatternGenerator::staticGetBaseSkeleton(
const UnicodeString& pattern, UErrorCode& /*status*/) {
FormatParser fp;
DateTimeMatcher matcher;
PtnSkeleton localSkeleton;
matcher.set(pattern, &fp, localSkeleton);
return localSkeleton.getBaseSkeleton();
}
void
DateTimePatternGenerator::addICUPatterns(const Locale& locale, UErrorCode& status) {
if (U_FAILURE(status)) { return; }
UnicodeString dfPattern;
UnicodeString conflictingString;
DateFormat* df;
// 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);
SimpleDateFormat* sdf;
if (df != nullptr && (sdf = dynamic_cast<SimpleDateFormat*>(df)) != nullptr) {
sdf->toPattern(dfPattern);
addPattern(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 != nullptr && (sdf = dynamic_cast<SimpleDateFormat*>(df)) != nullptr) {
sdf->toPattern(dfPattern);
addPattern(dfPattern, false, conflictingString, status);
// TODO: C++ and Java are inconsistent (see #12568).
// C++ uses MEDIUM, but Java uses SHORT.
if ( i==DateFormat::kShort && !dfPattern.isEmpty() ) {
consumeShortTimePattern(dfPattern, status);
}
}
// 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) {
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 {
char16_t ch=field.charAt(0);
if (ch==LOW_M) {
gotMm=true;
mmss+=field;
}
else {
if (ch==LOW_S) {
if (!gotMm) {
break;
}
mmss+= field;
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)
void
DateTimePatternGenerator::getCalendarTypeToUse(const Locale& locale, CharString& destination, UErrorCode& err) {
destination.clear().append(DT_DateTimeGregorianTag, -1, err); // initial default
if ( U_SUCCESS(err) ) {
UErrorCode localStatus = U_ZERO_ERROR;
char localeWithCalendarKey[ULOC_LOCALE_IDENTIFIER_CAPACITY];
// obtain a locale that always has the calendar key value that should be used
ures_getFunctionalEquivalent(
localeWithCalendarKey,
ULOC_LOCALE_IDENTIFIER_CAPACITY,
nullptr,
"calendar",
"calendar",
locale.getName(),
nullptr,
false,
&localStatus);
localeWithCalendarKey[ULOC_LOCALE_IDENTIFIER_CAPACITY-1] = 0; // ensure null termination
// now get the calendar key value from that locale
destination.clear();
{
CharStringByteSink sink(&destination);
ulocimp_getKeywordValue(
localeWithCalendarKey,
"calendar",
sink,
&localStatus);
}
// If the input locale was invalid, don't fail with missing resource error, instead
// continue with default of Gregorian.
if (U_FAILURE(localStatus) && localStatus != U_MISSING_RESOURCE_ERROR) {
err = localStatus;
}
}
}
void
DateTimePatternGenerator::consumeShortTimePattern(const UnicodeString& shortTimePattern,
UErrorCode& status) {
if (U_FAILURE(status)) { return; }
// ICU-20383 No longer set fDefaultHourFormatChar to the hour format character from
// this pattern; instead it is set from localeToAllowedHourFormatsMap which now
// includes entries for both preferred and allowed formats.
// HACK for hh:ss
hackTimes(shortTimePattern, status);
}
struct DateTimePatternGenerator::AppendItemFormatsSink : public ResourceSink {
// Destination for data, modified via setters.
DateTimePatternGenerator& dtpg;
AppendItemFormatsSink(DateTimePatternGenerator& _dtpg) : dtpg(_dtpg) {}
virtual ~AppendItemFormatsSink();
virtual void put(const char *key, ResourceValue &value, UBool /*noFallback*/,
UErrorCode &errorCode) override {
UDateTimePatternField field = dtpg.getAppendFormatNumber(key);
if (field == UDATPG_FIELD_COUNT) { return; }
const UnicodeString& valueStr = value.getUnicodeString(errorCode);
if (dtpg.getAppendItemFormat(field).isEmpty() && !valueStr.isEmpty()) {
dtpg.setAppendItemFormat(field, valueStr);
}
}
void fillInMissing() {
UnicodeString defaultItemFormat(true, UDATPG_ItemFormat, UPRV_LENGTHOF(UDATPG_ItemFormat)-1); // Read-only alias.
for (int32_t i = 0; i < UDATPG_FIELD_COUNT; i++) {
UDateTimePatternField field = (UDateTimePatternField)i;
if (dtpg.getAppendItemFormat(field).isEmpty()) {
dtpg.setAppendItemFormat(field, defaultItemFormat);
}
}
}
};
struct DateTimePatternGenerator::AppendItemNamesSink : public ResourceSink {
// Destination for data, modified via setters.
DateTimePatternGenerator& dtpg;
AppendItemNamesSink(DateTimePatternGenerator& _dtpg) : dtpg(_dtpg) {}
virtual ~AppendItemNamesSink();
virtual void put(const char *key, ResourceValue &value, UBool /*noFallback*/,
UErrorCode &errorCode) override {
UDateTimePGDisplayWidth width;
UDateTimePatternField field = dtpg.getFieldAndWidthIndices(key, &width);
if (field == UDATPG_FIELD_COUNT) { return; }
ResourceTable detailsTable = value.getTable(errorCode);
if (U_FAILURE(errorCode)) { return; }
if (!detailsTable.findValue("dn", value)) { return; }
const UnicodeString& valueStr = value.getUnicodeString(errorCode);
if (U_SUCCESS(errorCode) && dtpg.getFieldDisplayName(field,width).isEmpty() && !valueStr.isEmpty()) {
dtpg.setFieldDisplayName(field,width,valueStr);
}
}
void fillInMissing() {
for (int32_t i = 0; i < UDATPG_FIELD_COUNT; i++) {
UnicodeString& valueStr = dtpg.getMutableFieldDisplayName((UDateTimePatternField)i, UDATPG_WIDE);
if (valueStr.isEmpty()) {
valueStr = CAP_F;
U_ASSERT(i < 20);
if (i < 10) {
// F0, F1, ..., F9
valueStr += (char16_t)(i+0x30);
} else {
// F10, F11, ...
valueStr += (char16_t)0x31;
valueStr += (char16_t)(i-10 + 0x30);