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node/deps/icu-small/source/i18n/measfmt.cpp

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// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
**********************************************************************
* Copyright (c) 2004-2016, International Business Machines
* Corporation and others. All Rights Reserved.
**********************************************************************
* Author: Alan Liu
* Created: April 20, 2004
* Since: ICU 3.0
**********************************************************************
*/
#include "utypeinfo.h" // for 'typeid' to work
#include "unicode/utypes.h"
#if !UCONFIG_NO_FORMATTING
#include "unicode/measfmt.h"
#include "unicode/numfmt.h"
#include "currfmt.h"
#include "unicode/localpointer.h"
#include "resource.h"
#include "unicode/simpleformatter.h"
#include "quantityformatter.h"
#include "unicode/plurrule.h"
#include "unicode/decimfmt.h"
#include "uresimp.h"
#include "unicode/ures.h"
#include "unicode/ustring.h"
#include "ureslocs.h"
#include "cstring.h"
#include "mutex.h"
#include "ucln_in.h"
#include "unicode/listformatter.h"
#include "charstr.h"
#include "unicode/putil.h"
#include "unicode/smpdtfmt.h"
#include "uassert.h"
#include "sharednumberformat.h"
#include "sharedpluralrules.h"
#include "standardplural.h"
#include "unifiedcache.h"
#define MEAS_UNIT_COUNT 135
#define WIDTH_INDEX_COUNT (UMEASFMT_WIDTH_NARROW + 1)
U_NAMESPACE_BEGIN
UOBJECT_DEFINE_RTTI_IMPLEMENTATION(MeasureFormat)
// Used to format durations like 5:47 or 21:35:42.
class NumericDateFormatters : public UMemory {
public:
// Formats like H:mm
SimpleDateFormat hourMinute;
// formats like M:ss
SimpleDateFormat minuteSecond;
// formats like H:mm:ss
SimpleDateFormat hourMinuteSecond;
// Constructor that takes the actual patterns for hour-minute,
// minute-second, and hour-minute-second respectively.
NumericDateFormatters(
const UnicodeString &hm,
const UnicodeString &ms,
const UnicodeString &hms,
UErrorCode &status) :
hourMinute(hm, status),
minuteSecond(ms, status),
hourMinuteSecond(hms, status) {
const TimeZone *gmt = TimeZone::getGMT();
hourMinute.setTimeZone(*gmt);
minuteSecond.setTimeZone(*gmt);
hourMinuteSecond.setTimeZone(*gmt);
}
private:
NumericDateFormatters(const NumericDateFormatters &other);
NumericDateFormatters &operator=(const NumericDateFormatters &other);
};
static UMeasureFormatWidth getRegularWidth(UMeasureFormatWidth width) {
if (width >= WIDTH_INDEX_COUNT) {
return UMEASFMT_WIDTH_NARROW;
}
return width;
}
/**
* Instances contain all MeasureFormat specific data for a particular locale.
* This data is cached. It is never copied, but is shared via shared pointers.
*
* Note: We might change the cache data to have an array[WIDTH_INDEX_COUNT] of
* complete sets of unit & per patterns,
* to correspond to the resource data and its aliases.
*
* TODO: Maybe store more sparsely in general, with pointers rather than potentially-empty objects.
*/
class MeasureFormatCacheData : public SharedObject {
public:
static const int32_t PER_UNIT_INDEX = StandardPlural::COUNT;
static const int32_t PATTERN_COUNT = PER_UNIT_INDEX + 1;
/**
* Redirection data from root-bundle, top-level sideways aliases.
* - UMEASFMT_WIDTH_COUNT: initial value, just fall back to root
* - UMEASFMT_WIDTH_WIDE/SHORT/NARROW: sideways alias for missing data
*/
UMeasureFormatWidth widthFallback[WIDTH_INDEX_COUNT];
/** Measure unit -> format width -> array of patterns ("{0} meters") (plurals + PER_UNIT_INDEX) */
SimpleFormatter *patterns[MEAS_UNIT_COUNT][WIDTH_INDEX_COUNT][PATTERN_COUNT];
const UChar* dnams[MEAS_UNIT_COUNT][WIDTH_INDEX_COUNT];
SimpleFormatter perFormatters[WIDTH_INDEX_COUNT];
MeasureFormatCacheData();
virtual ~MeasureFormatCacheData();
UBool hasPerFormatter(int32_t width) const {
// TODO: Create a more obvious way to test if the per-formatter has been set?
// Use pointers, check for NULL? Or add an isValid() method?
return perFormatters[width].getArgumentLimit() == 2;
}
void adoptCurrencyFormat(int32_t widthIndex, NumberFormat *nfToAdopt) {
delete currencyFormats[widthIndex];
currencyFormats[widthIndex] = nfToAdopt;
}
const NumberFormat *getCurrencyFormat(UMeasureFormatWidth width) const {
return currencyFormats[getRegularWidth(width)];
}
void adoptIntegerFormat(NumberFormat *nfToAdopt) {
delete integerFormat;
integerFormat = nfToAdopt;
}
const NumberFormat *getIntegerFormat() const {
return integerFormat;
}
void adoptNumericDateFormatters(NumericDateFormatters *formattersToAdopt) {
delete numericDateFormatters;
numericDateFormatters = formattersToAdopt;
}
const NumericDateFormatters *getNumericDateFormatters() const {
return numericDateFormatters;
}
private:
NumberFormat *currencyFormats[WIDTH_INDEX_COUNT];
NumberFormat *integerFormat;
NumericDateFormatters *numericDateFormatters;
MeasureFormatCacheData(const MeasureFormatCacheData &other);
MeasureFormatCacheData &operator=(const MeasureFormatCacheData &other);
};
MeasureFormatCacheData::MeasureFormatCacheData() {
for (int32_t i = 0; i < WIDTH_INDEX_COUNT; ++i) {
widthFallback[i] = UMEASFMT_WIDTH_COUNT;
}
for (int32_t i = 0; i < UPRV_LENGTHOF(currencyFormats); ++i) {
currencyFormats[i] = NULL;
}
uprv_memset(patterns, 0, sizeof(patterns));
uprv_memset(dnams, 0, sizeof(dnams));
integerFormat = NULL;
numericDateFormatters = NULL;
}
MeasureFormatCacheData::~MeasureFormatCacheData() {
for (int32_t i = 0; i < UPRV_LENGTHOF(currencyFormats); ++i) {
delete currencyFormats[i];
}
for (int32_t i = 0; i < MEAS_UNIT_COUNT; ++i) {
for (int32_t j = 0; j < WIDTH_INDEX_COUNT; ++j) {
for (int32_t k = 0; k < PATTERN_COUNT; ++k) {
delete patterns[i][j][k];
}
}
}
// Note: the contents of 'dnams' are pointers into the resource bundle
delete integerFormat;
delete numericDateFormatters;
}
static UBool isCurrency(const MeasureUnit &unit) {
return (uprv_strcmp(unit.getType(), "currency") == 0);
}
static UBool getString(
const UResourceBundle *resource,
UnicodeString &result,
UErrorCode &status) {
int32_t len = 0;
const UChar *resStr = ures_getString(resource, &len, &status);
if (U_FAILURE(status)) {
return FALSE;
}
result.setTo(TRUE, resStr, len);
return TRUE;
}
namespace {
static const UChar g_LOCALE_units[] = {
0x2F, 0x4C, 0x4F, 0x43, 0x41, 0x4C, 0x45, 0x2F,
0x75, 0x6E, 0x69, 0x74, 0x73
};
static const UChar gShort[] = { 0x53, 0x68, 0x6F, 0x72, 0x74 };
static const UChar gNarrow[] = { 0x4E, 0x61, 0x72, 0x72, 0x6F, 0x77 };
/**
* Sink for enumerating all of the measurement unit display names.
* Contains inner sink classes, each one corresponding to a type of resource table.
* The outer sink handles the top-level units, unitsNarrow, and unitsShort tables.
*
* More specific bundles (en_GB) are enumerated before their parents (en_001, en, root):
* Only store a value if it is still missing, that is, it has not been overridden.
*
* C++: Each inner sink class has a reference to the main outer sink.
* Java: Use non-static inner classes instead.
*/
struct UnitDataSink : public ResourceSink {
// Output data.
MeasureFormatCacheData &cacheData;
// Path to current data.
UMeasureFormatWidth width;
const char *type;
int32_t unitIndex;
UnitDataSink(MeasureFormatCacheData &outputData)
: cacheData(outputData),
width(UMEASFMT_WIDTH_COUNT), type(NULL), unitIndex(0) {}
~UnitDataSink();
void setFormatterIfAbsent(int32_t index, const ResourceValue &value,
int32_t minPlaceholders, UErrorCode &errorCode) {
SimpleFormatter **patterns = &cacheData.patterns[unitIndex][width][0];
if (U_SUCCESS(errorCode) && patterns[index] == NULL) {
if (minPlaceholders >= 0) {
patterns[index] = new SimpleFormatter(
value.getUnicodeString(errorCode), minPlaceholders, 1, errorCode);
}
if (U_SUCCESS(errorCode) && patterns[index] == NULL) {
errorCode = U_MEMORY_ALLOCATION_ERROR;
}
}
}
void setDnamIfAbsent(const ResourceValue &value, UErrorCode& errorCode) {
if (cacheData.dnams[unitIndex][width] == NULL) {
int32_t length;
cacheData.dnams[unitIndex][width] = value.getString(length, errorCode);
}
}
/**
* Consume a display pattern. For example,
* unitsShort/duration/hour contains other{"{0} hrs"}.
*/
void consumePattern(const char *key, const ResourceValue &value, UErrorCode &errorCode) {
if (U_FAILURE(errorCode)) { return; }
if (uprv_strcmp(key, "dnam") == 0) {
// The display name for the unit in the current width.
setDnamIfAbsent(value, errorCode);
} else if (uprv_strcmp(key, "per") == 0) {
// For example, "{0}/h".
setFormatterIfAbsent(MeasureFormatCacheData::PER_UNIT_INDEX, value, 1, errorCode);
} else {
// The key must be one of the plural form strings. For example:
// one{"{0} hr"}
// other{"{0} hrs"}
setFormatterIfAbsent(StandardPlural::indexFromString(key, errorCode), value, 0,
errorCode);
}
}
/**
* Consume a table of per-unit tables. For example,
* unitsShort/duration contains tables for duration-unit subtypes day & hour.
*/
void consumeSubtypeTable(const char *key, ResourceValue &value, UErrorCode &errorCode) {
if (U_FAILURE(errorCode)) { return; }
unitIndex = MeasureUnit::internalGetIndexForTypeAndSubtype(type, key);
if (unitIndex < 0) {
// TODO: How to handle unexpected data?
// See http://bugs.icu-project.org/trac/ticket/12597
return;
}
// We no longer handle units like "coordinate" here (which do not have plural variants)
if (value.getType() == URES_TABLE) {
// Units that have plural variants
ResourceTable patternTableTable = value.getTable(errorCode);
if (U_FAILURE(errorCode)) { return; }
for (int i = 0; patternTableTable.getKeyAndValue(i, key, value); ++i) {
consumePattern(key, value, errorCode);
}
} else {
// TODO: How to handle unexpected data?
// See http://bugs.icu-project.org/trac/ticket/12597
return;
}
}
/**
* Consume compound x-per-y display pattern. For example,
* unitsShort/compound/per may be "{0}/{1}".
*/
void consumeCompoundPattern(const char *key, const ResourceValue &value, UErrorCode &errorCode) {
if (U_SUCCESS(errorCode) && uprv_strcmp(key, "per") == 0) {
cacheData.perFormatters[width].
applyPatternMinMaxArguments(value.getUnicodeString(errorCode), 2, 2, errorCode);
}
}
/**
* Consume a table of unit type tables. For example,
* unitsShort contains tables for area & duration.
* It also contains a table for the compound/per pattern.
*/
void consumeUnitTypesTable(const char *key, ResourceValue &value, UErrorCode &errorCode) {
if (U_FAILURE(errorCode)) { return; }
if (uprv_strcmp(key, "currency") == 0) {
// Skip.
} else if (uprv_strcmp(key, "compound") == 0) {
if (!cacheData.hasPerFormatter(width)) {
ResourceTable compoundTable = value.getTable(errorCode);
if (U_FAILURE(errorCode)) { return; }
for (int i = 0; compoundTable.getKeyAndValue(i, key, value); ++i) {
consumeCompoundPattern(key, value, errorCode);
}
}
} else if (uprv_strcmp(key, "coordinate") == 0) {
// special handling but we need to determine what that is
} else {
type = key;
ResourceTable subtypeTable = value.getTable(errorCode);
if (U_FAILURE(errorCode)) { return; }
for (int i = 0; subtypeTable.getKeyAndValue(i, key, value); ++i) {
consumeSubtypeTable(key, value, errorCode);
}
}
}
void consumeAlias(const char *key, const ResourceValue &value, UErrorCode &errorCode) {
// Handle aliases like
// units:alias{"/LOCALE/unitsShort"}
// which should only occur in the root bundle.
UMeasureFormatWidth sourceWidth = widthFromKey(key);
if (sourceWidth == UMEASFMT_WIDTH_COUNT) {
// Alias from something we don't care about.
return;
}
UMeasureFormatWidth targetWidth = widthFromAlias(value, errorCode);
if (targetWidth == UMEASFMT_WIDTH_COUNT) {
// We do not recognize what to fall back to.
errorCode = U_INVALID_FORMAT_ERROR;
return;
}
// Check that we do not fall back to another fallback.
if (cacheData.widthFallback[targetWidth] != UMEASFMT_WIDTH_COUNT) {
errorCode = U_INVALID_FORMAT_ERROR;
return;
}
cacheData.widthFallback[sourceWidth] = targetWidth;
}
void consumeTable(const char *key, ResourceValue &value, UErrorCode &errorCode) {
if (U_SUCCESS(errorCode) && (width = widthFromKey(key)) != UMEASFMT_WIDTH_COUNT) {
ResourceTable unitTypesTable = value.getTable(errorCode);
if (U_FAILURE(errorCode)) { return; }
for (int i = 0; unitTypesTable.getKeyAndValue(i, key, value); ++i) {
consumeUnitTypesTable(key, value, errorCode);
}
}
}
static UMeasureFormatWidth widthFromKey(const char *key) {
if (uprv_strncmp(key, "units", 5) == 0) {
key += 5;
if (*key == 0) {
return UMEASFMT_WIDTH_WIDE;
} else if (uprv_strcmp(key, "Short") == 0) {
return UMEASFMT_WIDTH_SHORT;
} else if (uprv_strcmp(key, "Narrow") == 0) {
return UMEASFMT_WIDTH_NARROW;
}
}
return UMEASFMT_WIDTH_COUNT;
}
static UMeasureFormatWidth widthFromAlias(const ResourceValue &value, UErrorCode &errorCode) {
int32_t length;
const UChar *s = value.getAliasString(length, errorCode);
// For example: "/LOCALE/unitsShort"
if (U_SUCCESS(errorCode) && length >= 13 && u_memcmp(s, g_LOCALE_units, 13) == 0) {
s += 13;
length -= 13;
if (*s == 0) {
return UMEASFMT_WIDTH_WIDE;
} else if (u_strCompare(s, length, gShort, 5, FALSE) == 0) {
return UMEASFMT_WIDTH_SHORT;
} else if (u_strCompare(s, length, gNarrow, 6, FALSE) == 0) {
return UMEASFMT_WIDTH_NARROW;
}
}
return UMEASFMT_WIDTH_COUNT;
}
virtual void put(const char *key, ResourceValue &value, UBool /*noFallback*/,
UErrorCode &errorCode) {
// Main entry point to sink
ResourceTable widthsTable = value.getTable(errorCode);
if (U_FAILURE(errorCode)) { return; }
for (int i = 0; widthsTable.getKeyAndValue(i, key, value); ++i) {
if (value.getType() == URES_ALIAS) {
consumeAlias(key, value, errorCode);
} else {
consumeTable(key, value, errorCode);
}
}
}
};
// Virtual destructors must be defined out of line.
UnitDataSink::~UnitDataSink() {}
} // namespace
static UBool loadMeasureUnitData(
const UResourceBundle *resource,
MeasureFormatCacheData &cacheData,
UErrorCode &status) {
UnitDataSink sink(cacheData);
ures_getAllItemsWithFallback(resource, "", sink, status);
return U_SUCCESS(status);
}
static UnicodeString loadNumericDateFormatterPattern(
const UResourceBundle *resource,
const char *pattern,
UErrorCode &status) {
UnicodeString result;
if (U_FAILURE(status)) {
return result;
}
CharString chs;
chs.append("durationUnits", status)
.append("/", status).append(pattern, status);
LocalUResourceBundlePointer patternBundle(
ures_getByKeyWithFallback(
resource,
chs.data(),
NULL,
&status));
if (U_FAILURE(status)) {
return result;
}
getString(patternBundle.getAlias(), result, status);
// Replace 'h' with 'H'
int32_t len = result.length();
UChar *buffer = result.getBuffer(len);
for (int32_t i = 0; i < len; ++i) {
if (buffer[i] == 0x68) { // 'h'
buffer[i] = 0x48; // 'H'
}
}
result.releaseBuffer(len);
return result;
}
static NumericDateFormatters *loadNumericDateFormatters(
const UResourceBundle *resource,
UErrorCode &status) {
if (U_FAILURE(status)) {
return NULL;
}
NumericDateFormatters *result = new NumericDateFormatters(
loadNumericDateFormatterPattern(resource, "hm", status),
loadNumericDateFormatterPattern(resource, "ms", status),
loadNumericDateFormatterPattern(resource, "hms", status),
status);
if (U_FAILURE(status)) {
delete result;
return NULL;
}
return result;
}
template<> U_I18N_API
const MeasureFormatCacheData *LocaleCacheKey<MeasureFormatCacheData>::createObject(
const void * /*unused*/, UErrorCode &status) const {
const char *localeId = fLoc.getName();
LocalUResourceBundlePointer unitsBundle(ures_open(U_ICUDATA_UNIT, localeId, &status));
static UNumberFormatStyle currencyStyles[] = {
UNUM_CURRENCY_PLURAL, UNUM_CURRENCY_ISO, UNUM_CURRENCY};
LocalPointer<MeasureFormatCacheData> result(new MeasureFormatCacheData(), status);
if (U_FAILURE(status)) {
return NULL;
}
if (!loadMeasureUnitData(
unitsBundle.getAlias(),
*result,
status)) {
return NULL;
}
result->adoptNumericDateFormatters(loadNumericDateFormatters(
unitsBundle.getAlias(), status));
if (U_FAILURE(status)) {
return NULL;
}
for (int32_t i = 0; i < WIDTH_INDEX_COUNT; ++i) {
// NumberFormat::createInstance can erase warning codes from status, so pass it
// a separate status instance
UErrorCode localStatus = U_ZERO_ERROR;
result->adoptCurrencyFormat(i, NumberFormat::createInstance(
localeId, currencyStyles[i], localStatus));
if (localStatus != U_ZERO_ERROR) {
status = localStatus;
}
if (U_FAILURE(status)) {
return NULL;
}
}
NumberFormat *inf = NumberFormat::createInstance(
localeId, UNUM_DECIMAL, status);
if (U_FAILURE(status)) {
return NULL;
}
inf->setMaximumFractionDigits(0);
DecimalFormat *decfmt = dynamic_cast<DecimalFormat *>(inf);
if (decfmt != NULL) {
decfmt->setRoundingMode(DecimalFormat::kRoundDown);
}
result->adoptIntegerFormat(inf);
result->addRef();
return result.orphan();
}
static UBool isTimeUnit(const MeasureUnit &mu, const char *tu) {
return uprv_strcmp(mu.getType(), "duration") == 0 &&
uprv_strcmp(mu.getSubtype(), tu) == 0;
}
// Converts a composite measure into hours-minutes-seconds and stores at hms
// array. [0] is hours; [1] is minutes; [2] is seconds. Returns a bit map of
// units found: 1=hours, 2=minutes, 4=seconds. For example, if measures
// contains hours-minutes, this function would return 3.
//
// If measures cannot be converted into hours, minutes, seconds or if amounts
// are negative, or if hours, minutes, seconds are out of order, returns 0.
static int32_t toHMS(
const Measure *measures,
int32_t measureCount,
Formattable *hms,
UErrorCode &status) {
if (U_FAILURE(status)) {
return 0;
}
int32_t result = 0;
if (U_FAILURE(status)) {
return 0;
}
// We use copy constructor to ensure that both sides of equality operator
// are instances of MeasureUnit base class and not a subclass. Otherwise,
// operator== will immediately return false.
for (int32_t i = 0; i < measureCount; ++i) {
if (isTimeUnit(measures[i].getUnit(), "hour")) {
// hour must come first
if (result >= 1) {
return 0;
}
hms[0] = measures[i].getNumber();
if (hms[0].getDouble() < 0.0) {
return 0;
}
result |= 1;
} else if (isTimeUnit(measures[i].getUnit(), "minute")) {
// minute must come after hour
if (result >= 2) {
return 0;
}
hms[1] = measures[i].getNumber();
if (hms[1].getDouble() < 0.0) {
return 0;
}
result |= 2;
} else if (isTimeUnit(measures[i].getUnit(), "second")) {
// second must come after hour and minute
if (result >= 4) {
return 0;
}
hms[2] = measures[i].getNumber();
if (hms[2].getDouble() < 0.0) {
return 0;
}
result |= 4;
} else {
return 0;
}
}
return result;
}
MeasureFormat::MeasureFormat(
const Locale &locale, UMeasureFormatWidth w, UErrorCode &status)
: cache(NULL),
numberFormat(NULL),
pluralRules(NULL),
width(w),
listFormatter(NULL) {
initMeasureFormat(locale, w, NULL, status);
}
MeasureFormat::MeasureFormat(
const Locale &locale,
UMeasureFormatWidth w,
NumberFormat *nfToAdopt,
UErrorCode &status)
: cache(NULL),
numberFormat(NULL),
pluralRules(NULL),
width(w),
listFormatter(NULL) {
initMeasureFormat(locale, w, nfToAdopt, status);
}
MeasureFormat::MeasureFormat(const MeasureFormat &other) :
Format(other),
cache(other.cache),
numberFormat(other.numberFormat),
pluralRules(other.pluralRules),
width(other.width),
listFormatter(NULL) {
cache->addRef();
numberFormat->addRef();
pluralRules->addRef();
if (other.listFormatter != NULL) {
listFormatter = new ListFormatter(*other.listFormatter);
}
}
MeasureFormat &MeasureFormat::operator=(const MeasureFormat &other) {
if (this == &other) {
return *this;
}
Format::operator=(other);
SharedObject::copyPtr(other.cache, cache);
SharedObject::copyPtr(other.numberFormat, numberFormat);
SharedObject::copyPtr(other.pluralRules, pluralRules);
width = other.width;
delete listFormatter;
if (other.listFormatter != NULL) {
listFormatter = new ListFormatter(*other.listFormatter);
} else {
listFormatter = NULL;
}
return *this;
}
MeasureFormat::MeasureFormat() :
cache(NULL),
numberFormat(NULL),
pluralRules(NULL),
width(UMEASFMT_WIDTH_SHORT),
listFormatter(NULL) {
}
MeasureFormat::~MeasureFormat() {
if (cache != NULL) {
cache->removeRef();
}
if (numberFormat != NULL) {
numberFormat->removeRef();
}
if (pluralRules != NULL) {
pluralRules->removeRef();
}
delete listFormatter;
}
UBool MeasureFormat::operator==(const Format &other) const {
if (this == &other) { // Same object, equal
return TRUE;
}
if (!Format::operator==(other)) {
return FALSE;
}
const MeasureFormat &rhs = static_cast<const MeasureFormat &>(other);
// Note: Since the ListFormatter depends only on Locale and width, we
// don't have to check it here.
// differing widths aren't equivalent
if (width != rhs.width) {
return FALSE;
}
// Width the same check locales.
// We don't need to check locales if both objects have same cache.
if (cache != rhs.cache) {
UErrorCode status = U_ZERO_ERROR;
const char *localeId = getLocaleID(status);
const char *rhsLocaleId = rhs.getLocaleID(status);
if (U_FAILURE(status)) {
// On failure, assume not equal
return FALSE;
}
if (uprv_strcmp(localeId, rhsLocaleId) != 0) {
return FALSE;
}
}
// Locales same, check NumberFormat if shared data differs.
return (
numberFormat == rhs.numberFormat ||
**numberFormat == **rhs.numberFormat);
}
Format *MeasureFormat::clone() const {
return new MeasureFormat(*this);
}
UnicodeString &MeasureFormat::format(
const Formattable &obj,
UnicodeString &appendTo,
FieldPosition &pos,
UErrorCode &status) const {
if (U_FAILURE(status)) return appendTo;
if (obj.getType() == Formattable::kObject) {
const UObject* formatObj = obj.getObject();
const Measure* amount = dynamic_cast<const Measure*>(formatObj);
if (amount != NULL) {
return formatMeasure(
*amount, **numberFormat, appendTo, pos, status);
}
}
status = U_ILLEGAL_ARGUMENT_ERROR;
return appendTo;
}
void MeasureFormat::parseObject(
const UnicodeString & /*source*/,
Formattable & /*result*/,
ParsePosition& /*pos*/) const {
return;
}
UnicodeString &MeasureFormat::formatMeasurePerUnit(
const Measure &measure,
const MeasureUnit &perUnit,
UnicodeString &appendTo,
FieldPosition &pos,
UErrorCode &status) const {
if (U_FAILURE(status)) {
return appendTo;
}
MeasureUnit *resolvedUnit =
MeasureUnit::resolveUnitPerUnit(measure.getUnit(), perUnit);
if (resolvedUnit != NULL) {
Measure newMeasure(measure.getNumber(), resolvedUnit, status);
return formatMeasure(
newMeasure, **numberFormat, appendTo, pos, status);
}
FieldPosition fpos(pos.getField());
UnicodeString result;
int32_t offset = withPerUnitAndAppend(
formatMeasure(
measure, **numberFormat, result, fpos, status),
perUnit,
appendTo,
status);
if (U_FAILURE(status)) {
return appendTo;
}
if (fpos.getBeginIndex() != 0 || fpos.getEndIndex() != 0) {
pos.setBeginIndex(fpos.getBeginIndex() + offset);
pos.setEndIndex(fpos.getEndIndex() + offset);
}
return appendTo;
}
UnicodeString &MeasureFormat::formatMeasures(
const Measure *measures,
int32_t measureCount,
UnicodeString &appendTo,
FieldPosition &pos,
UErrorCode &status) const {
if (U_FAILURE(status)) {
return appendTo;
}
if (measureCount == 0) {
return appendTo;
}
if (measureCount == 1) {
return formatMeasure(measures[0], **numberFormat, appendTo, pos, status);
}
if (width == UMEASFMT_WIDTH_NUMERIC) {
Formattable hms[3];
int32_t bitMap = toHMS(measures, measureCount, hms, status);
if (bitMap > 0) {
return formatNumeric(hms, bitMap, appendTo, status);
}
}
if (pos.getField() != FieldPosition::DONT_CARE) {
return formatMeasuresSlowTrack(
measures, measureCount, appendTo, pos, status);
}
UnicodeString *results = new UnicodeString[measureCount];
if (results == NULL) {
status = U_MEMORY_ALLOCATION_ERROR;
return appendTo;
}
for (int32_t i = 0; i < measureCount; ++i) {
const NumberFormat *nf = cache->getIntegerFormat();
if (i == measureCount - 1) {
nf = numberFormat->get();
}
formatMeasure(
measures[i],
*nf,
results[i],
pos,
status);
}
listFormatter->format(results, measureCount, appendTo, status);
delete [] results;
return appendTo;
}
UnicodeString MeasureFormat::getUnitDisplayName(const MeasureUnit& unit, UErrorCode& /*status*/) const {
UMeasureFormatWidth width = getRegularWidth(this->width);
const UChar* const* styleToDnam = cache->dnams[unit.getIndex()];
const UChar* dnam = styleToDnam[width];
if (dnam == NULL) {
int32_t fallbackWidth = cache->widthFallback[width];
dnam = styleToDnam[fallbackWidth];
}
UnicodeString result;
if (dnam == NULL) {
result.setToBogus();
} else {
result.setTo(dnam, -1);
}
return result;
}
void MeasureFormat::initMeasureFormat(
const Locale &locale,
UMeasureFormatWidth w,
NumberFormat *nfToAdopt,
UErrorCode &status) {
static const char *listStyles[] = {"unit", "unit-short", "unit-narrow"};
LocalPointer<NumberFormat> nf(nfToAdopt);
if (U_FAILURE(status)) {
return;
}
const char *name = locale.getName();
setLocaleIDs(name, name);
UnifiedCache::getByLocale(locale, cache, status);
if (U_FAILURE(status)) {
return;
}
const SharedPluralRules *pr = PluralRules::createSharedInstance(
locale, UPLURAL_TYPE_CARDINAL, status);
if (U_FAILURE(status)) {
return;
}
SharedObject::copyPtr(pr, pluralRules);
pr->removeRef();
if (nf.isNull()) {
const SharedNumberFormat *shared = NumberFormat::createSharedInstance(
locale, UNUM_DECIMAL, status);
if (U_FAILURE(status)) {
return;
}
SharedObject::copyPtr(shared, numberFormat);
shared->removeRef();
} else {
adoptNumberFormat(nf.orphan(), status);
if (U_FAILURE(status)) {
return;
}
}
width = w;
delete listFormatter;
listFormatter = ListFormatter::createInstance(
locale,
listStyles[getRegularWidth(width)],
status);
}
void MeasureFormat::adoptNumberFormat(
NumberFormat *nfToAdopt, UErrorCode &status) {
LocalPointer<NumberFormat> nf(nfToAdopt);
if (U_FAILURE(status)) {
return;
}
SharedNumberFormat *shared = new SharedNumberFormat(nf.getAlias());
if (shared == NULL) {
status = U_MEMORY_ALLOCATION_ERROR;
return;
}
nf.orphan();
SharedObject::copyPtr(shared, numberFormat);
}
UBool MeasureFormat::setMeasureFormatLocale(const Locale &locale, UErrorCode &status) {
if (U_FAILURE(status) || locale == getLocale(status)) {
return FALSE;
}
initMeasureFormat(locale, width, NULL, status);
return U_SUCCESS(status);
}
const NumberFormat &MeasureFormat::getNumberFormat() const {
return **numberFormat;
}
const PluralRules &MeasureFormat::getPluralRules() const {
return **pluralRules;
}
Locale MeasureFormat::getLocale(UErrorCode &status) const {
return Format::getLocale(ULOC_VALID_LOCALE, status);
}
const char *MeasureFormat::getLocaleID(UErrorCode &status) const {
return Format::getLocaleID(ULOC_VALID_LOCALE, status);
}
UnicodeString &MeasureFormat::formatMeasure(
const Measure &measure,
const NumberFormat &nf,
UnicodeString &appendTo,
FieldPosition &pos,
UErrorCode &status) const {
if (U_FAILURE(status)) {
return appendTo;
}
const Formattable& amtNumber = measure.getNumber();
const MeasureUnit& amtUnit = measure.getUnit();
if (isCurrency(amtUnit)) {
UChar isoCode[4];
u_charsToUChars(amtUnit.getSubtype(), isoCode, 4);
return cache->getCurrencyFormat(width)->format(
new CurrencyAmount(amtNumber, isoCode, status),
appendTo,
pos,
status);
}
UnicodeString formattedNumber;
StandardPlural::Form pluralForm = QuantityFormatter::selectPlural(
amtNumber, nf, **pluralRules, formattedNumber, pos, status);
const SimpleFormatter *formatter = getPluralFormatter(amtUnit, width, pluralForm, status);
return QuantityFormatter::format(*formatter, formattedNumber, appendTo, pos, status);
}
// Formats hours-minutes-seconds as 5:37:23 or similar.
UnicodeString &MeasureFormat::formatNumeric(
const Formattable *hms, // always length 3
int32_t bitMap, // 1=hourset, 2=minuteset, 4=secondset
UnicodeString &appendTo,
UErrorCode &status) const {
if (U_FAILURE(status)) {
return appendTo;
}
UDate millis =
(UDate) (((uprv_trunc(hms[0].getDouble(status)) * 60.0
+ uprv_trunc(hms[1].getDouble(status))) * 60.0
+ uprv_trunc(hms[2].getDouble(status))) * 1000.0);
switch (bitMap) {
case 5: // hs
case 7: // hms
return formatNumeric(
millis,
cache->getNumericDateFormatters()->hourMinuteSecond,
UDAT_SECOND_FIELD,
hms[2],
appendTo,
status);
break;
case 6: // ms
return formatNumeric(
millis,
cache->getNumericDateFormatters()->minuteSecond,
UDAT_SECOND_FIELD,
hms[2],
appendTo,
status);
break;
case 3: // hm
return formatNumeric(
millis,
cache->getNumericDateFormatters()->hourMinute,
UDAT_MINUTE_FIELD,
hms[1],
appendTo,
status);
break;
default:
status = U_INTERNAL_PROGRAM_ERROR;
return appendTo;
break;
}
return appendTo;
}
static void appendRange(
const UnicodeString &src,
int32_t start,
int32_t end,
UnicodeString &dest) {
dest.append(src, start, end - start);
}
static void appendRange(
const UnicodeString &src,
int32_t end,
UnicodeString &dest) {
dest.append(src, end, src.length() - end);
}
// Formats time like 5:37:23
UnicodeString &MeasureFormat::formatNumeric(
UDate date, // Time since epoch 1:30:00 would be 5400000
const DateFormat &dateFmt, // h:mm, m:ss, or h:mm:ss
UDateFormatField smallestField, // seconds in 5:37:23.5
const Formattable &smallestAmount, // 23.5 for 5:37:23.5
UnicodeString &appendTo,
UErrorCode &status) const {
if (U_FAILURE(status)) {
return appendTo;
}
// Format the smallest amount with this object's NumberFormat
UnicodeString smallestAmountFormatted;
// We keep track of the integer part of smallest amount so that
// we can replace it later so that we get '0:00:09.3' instead of
// '0:00:9.3'
FieldPosition intFieldPosition(UNUM_INTEGER_FIELD);
(*numberFormat)->format(
smallestAmount, smallestAmountFormatted, intFieldPosition, status);
if (
intFieldPosition.getBeginIndex() == 0 &&
intFieldPosition.getEndIndex() == 0) {
status = U_INTERNAL_PROGRAM_ERROR;
return appendTo;
}
// Format time. draft becomes something like '5:30:45'
FieldPosition smallestFieldPosition(smallestField);
UnicodeString draft;
dateFmt.format(date, draft, smallestFieldPosition, status);
// If we find field for smallest amount replace it with the formatted
// smallest amount from above taking care to replace the integer part
// with what is in original time. For example, If smallest amount
// is 9.35s and the formatted time is 0:00:09 then 9.35 becomes 09.35
// and replacing yields 0:00:09.35
if (smallestFieldPosition.getBeginIndex() != 0 ||
smallestFieldPosition.getEndIndex() != 0) {
appendRange(draft, 0, smallestFieldPosition.getBeginIndex(), appendTo);
appendRange(
smallestAmountFormatted,
0,
intFieldPosition.getBeginIndex(),
appendTo);
appendRange(
draft,
smallestFieldPosition.getBeginIndex(),
smallestFieldPosition.getEndIndex(),
appendTo);
appendRange(
smallestAmountFormatted,
intFieldPosition.getEndIndex(),
appendTo);
appendRange(
draft,
smallestFieldPosition.getEndIndex(),
appendTo);
} else {
appendTo.append(draft);
}
return appendTo;
}
const SimpleFormatter *MeasureFormat::getFormatterOrNull(
const MeasureUnit &unit, UMeasureFormatWidth width, int32_t index) const {
width = getRegularWidth(width);
SimpleFormatter *const (*unitPatterns)[MeasureFormatCacheData::PATTERN_COUNT] =
&cache->patterns[unit.getIndex()][0];
if (unitPatterns[width][index] != NULL) {
return unitPatterns[width][index];
}
int32_t fallbackWidth = cache->widthFallback[width];
if (fallbackWidth != UMEASFMT_WIDTH_COUNT && unitPatterns[fallbackWidth][index] != NULL) {
return unitPatterns[fallbackWidth][index];
}
return NULL;
}
const SimpleFormatter *MeasureFormat::getFormatter(
const MeasureUnit &unit, UMeasureFormatWidth width, int32_t index,
UErrorCode &errorCode) const {
if (U_FAILURE(errorCode)) {
return NULL;
}
const SimpleFormatter *pattern = getFormatterOrNull(unit, width, index);
if (pattern == NULL) {
errorCode = U_MISSING_RESOURCE_ERROR;
}
return pattern;
}
const SimpleFormatter *MeasureFormat::getPluralFormatter(
const MeasureUnit &unit, UMeasureFormatWidth width, int32_t index,
UErrorCode &errorCode) const {
if (U_FAILURE(errorCode)) {
return NULL;
}
if (index != StandardPlural::OTHER) {
const SimpleFormatter *pattern = getFormatterOrNull(unit, width, index);
if (pattern != NULL) {
return pattern;
}
}
return getFormatter(unit, width, StandardPlural::OTHER, errorCode);
}
const SimpleFormatter *MeasureFormat::getPerFormatter(
UMeasureFormatWidth width,
UErrorCode &status) const {
if (U_FAILURE(status)) {
return NULL;
}
width = getRegularWidth(width);
const SimpleFormatter * perFormatters = cache->perFormatters;
if (perFormatters[width].getArgumentLimit() == 2) {
return &perFormatters[width];
}
int32_t fallbackWidth = cache->widthFallback[width];
if (fallbackWidth != UMEASFMT_WIDTH_COUNT &&
perFormatters[fallbackWidth].getArgumentLimit() == 2) {
return &perFormatters[fallbackWidth];
}
status = U_MISSING_RESOURCE_ERROR;
return NULL;
}
int32_t MeasureFormat::withPerUnitAndAppend(
const UnicodeString &formatted,
const MeasureUnit &perUnit,
UnicodeString &appendTo,
UErrorCode &status) const {
int32_t offset = -1;
if (U_FAILURE(status)) {
return offset;
}
const SimpleFormatter *perUnitFormatter =
getFormatterOrNull(perUnit, width, MeasureFormatCacheData::PER_UNIT_INDEX);
if (perUnitFormatter != NULL) {
const UnicodeString *params[] = {&formatted};
perUnitFormatter->formatAndAppend(
params,
UPRV_LENGTHOF(params),
appendTo,
&offset,
1,
status);
return offset;
}
const SimpleFormatter *perFormatter = getPerFormatter(width, status);
const SimpleFormatter *pattern =
getPluralFormatter(perUnit, width, StandardPlural::ONE, status);
if (U_FAILURE(status)) {
return offset;
}
UnicodeString perUnitString = pattern->getTextWithNoArguments();
perUnitString.trim();
const UnicodeString *params[] = {&formatted, &perUnitString};
perFormatter->formatAndAppend(
params,
UPRV_LENGTHOF(params),
appendTo,
&offset,
1,
status);
return offset;
}
UnicodeString &MeasureFormat::formatMeasuresSlowTrack(
const Measure *measures,
int32_t measureCount,
UnicodeString& appendTo,
FieldPosition& pos,
UErrorCode& status) const {
if (U_FAILURE(status)) {
return appendTo;
}
FieldPosition dontCare(FieldPosition::DONT_CARE);
FieldPosition fpos(pos.getField());
UnicodeString *results = new UnicodeString[measureCount];
int32_t fieldPositionFoundIndex = -1;
for (int32_t i = 0; i < measureCount; ++i) {
const NumberFormat *nf = cache->getIntegerFormat();
if (i == measureCount - 1) {
nf = numberFormat->get();
}
if (fieldPositionFoundIndex == -1) {
formatMeasure(measures[i], *nf, results[i], fpos, status);
if (U_FAILURE(status)) {
delete [] results;
return appendTo;
}
if (fpos.getBeginIndex() != 0 || fpos.getEndIndex() != 0) {
fieldPositionFoundIndex = i;
}
} else {
formatMeasure(measures[i], *nf, results[i], dontCare, status);
}
}
int32_t offset;
listFormatter->format(
results,
measureCount,
appendTo,
fieldPositionFoundIndex,
offset,
status);
if (U_FAILURE(status)) {
delete [] results;
return appendTo;
}
if (offset != -1) {
pos.setBeginIndex(fpos.getBeginIndex() + offset);
pos.setEndIndex(fpos.getEndIndex() + offset);
}
delete [] results;
return appendTo;
}
MeasureFormat* U_EXPORT2 MeasureFormat::createCurrencyFormat(const Locale& locale,
UErrorCode& ec) {
CurrencyFormat* fmt = NULL;
if (U_SUCCESS(ec)) {
fmt = new CurrencyFormat(locale, ec);
if (U_FAILURE(ec)) {
delete fmt;
fmt = NULL;
}
}
return fmt;
}
MeasureFormat* U_EXPORT2 MeasureFormat::createCurrencyFormat(UErrorCode& ec) {
if (U_FAILURE(ec)) {
return NULL;
}
return MeasureFormat::createCurrencyFormat(Locale::getDefault(), ec);
}
U_NAMESPACE_END
#endif /* #if !UCONFIG_NO_FORMATTING */