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skia / external / github.com / unicode-org / icu / refs/tags/icu-release-54-rc / . / source / i18n / numfmt.cpp
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/*
*******************************************************************************
* Copyright (C) 1997-2014, International Business Machines Corporation and
* others. All Rights Reserved.
*******************************************************************************
*
* File NUMFMT.CPP
*
* Modification History:
*
* Date Name Description
* 02/19/97 aliu Converted from java.
* 03/18/97 clhuang Implemented with C++ APIs.
* 04/17/97 aliu Enlarged MAX_INTEGER_DIGITS to fully accomodate the
* largest double, by default.
* Changed DigitCount to int per code review.
* 07/20/98 stephen Changed operator== to check for grouping
* Changed setMaxIntegerDigits per Java implementation.
* Changed setMinIntegerDigits per Java implementation.
* Changed setMinFractionDigits per Java implementation.
* Changed setMaxFractionDigits per Java implementation.
********************************************************************************
*/
#include "unicode/utypes.h"
#if !UCONFIG_NO_FORMATTING
#include "unicode/numfmt.h"
#include "unicode/locid.h"
#include "unicode/dcfmtsym.h"
#include "unicode/decimfmt.h"
#include "unicode/ustring.h"
#include "unicode/ucurr.h"
#include "unicode/curramt.h"
#include "unicode/numsys.h"
#include "unicode/rbnf.h"
#include "unicode/localpointer.h"
#include "unicode/udisplaycontext.h"
#include "charstr.h"
#include "winnmfmt.h"
#include "uresimp.h"
#include "uhash.h"
#include "cmemory.h"
#include "servloc.h"
#include "ucln_in.h"
#include "cstring.h"
#include "putilimp.h"
#include "uassert.h"
#include "umutex.h"
#include "mutex.h"
#include "digitlst.h"
#include <float.h>
#include "sharednumberformat.h"
#include "unifiedcache.h"
//#define FMT_DEBUG
#ifdef FMT_DEBUG
#include <stdio.h>
static inline void debugout(UnicodeString s) {
char buf[2000];
s.extract((int32_t) 0, s.length(), buf);
printf("%s", buf);
}
#define debug(x) printf("%s", x);
#else
#define debugout(x)
#define debug(x)
#endif
// If no number pattern can be located for a locale, this is the last
// resort. The patterns are same as the ones in root locale.
static const UChar gLastResortDecimalPat[] = {
0x23, 0x2C, 0x23, 0x23, 0x30, 0x2E, 0x23, 0x23, 0x23, 0 /* "#,##0.###" */
};
static const UChar gLastResortCurrencyPat[] = {
0xA4, 0xA0, 0x23, 0x2C, 0x23, 0x23, 0x30, 0x2E, 0x30, 0x30, 0 /* "\u00A4\u00A0#,##0.00" */
};
static const UChar gLastResortPercentPat[] = {
0x23, 0x2C, 0x23, 0x23, 0x30, 0x25, 0 /* "#,##0%" */
};
static const UChar gLastResortScientificPat[] = {
0x23, 0x45, 0x30, 0 /* "#E0" */
};
static const UChar gLastResortIsoCurrencyPat[] = {
0xA4, 0xA4, 0xA0, 0x23, 0x2C, 0x23, 0x23, 0x30, 0x2E, 0x30, 0x30, 0 /* "\u00A4\u00A4\u00A0#,##0.00" */
};
static const UChar gLastResortPluralCurrencyPat[] = {
0x23, 0x2C, 0x23, 0x23, 0x30, 0x2E, 0x23, 0x23, 0x23, 0x20, 0xA4, 0xA4, 0xA4, 0 /* "#,##0.### \u00A4\u00A4\u00A4*/
};
static const UChar gLastResortAccountingCurrencyPat[] = {
0xA4, 0xA0, 0x23, 0x2C, 0x23, 0x23, 0x30, 0x2E, 0x30, 0x30, 0 /* "\u00A4\u00A0#,##0.00" */
};
static const UChar gSingleCurrencySign[] = {0xA4, 0};
static const UChar gDoubleCurrencySign[] = {0xA4, 0xA4, 0};
static const UChar gSlash = 0x2f;
// If the maximum base 10 exponent were 4, then the largest number would
// be 99,999 which has 5 digits.
// On IEEE754 systems gMaxIntegerDigits is 308 + possible denormalized 15 digits + rounding digit
// With big decimal, the max exponent is 999,999,999 and the max number of digits is the same, 999,999,999
const int32_t icu::NumberFormat::gDefaultMaxIntegerDigits = 2000000000;
const int32_t icu::NumberFormat::gDefaultMinIntegerDigits = 127;
static const UChar * const gLastResortNumberPatterns[UNUM_FORMAT_STYLE_COUNT] = {
NULL, // UNUM_PATTERN_DECIMAL
gLastResortDecimalPat, // UNUM_DECIMAL
gLastResortCurrencyPat, // UNUM_CURRENCY
gLastResortPercentPat, // UNUM_PERCENT
gLastResortScientificPat, // UNUM_SCIENTIFIC
NULL, // UNUM_SPELLOUT
NULL, // UNUM_ORDINAL
NULL, // UNUM_DURATION
NULL, // UNUM_NUMBERING_SYSTEM
NULL, // UNUM_PATTERN_RULEBASED
gLastResortIsoCurrencyPat, // UNUM_CURRENCY_ISO
gLastResortPluralCurrencyPat, // UNUM_CURRENCY_PLURAL
gLastResortAccountingCurrencyPat, // UNUM_CURRENCY_ACCOUNTING
gLastResortCurrencyPat, // UNUM_CASH_CURRENCY
};
// Keys used for accessing resource bundles
static const char *gNumberElements = "NumberElements";
static const char *gLatn = "latn";
static const char *gPatterns = "patterns";
static const char *gFormatKeys[UNUM_FORMAT_STYLE_COUNT] = {
NULL, // UNUM_PATTERN_DECIMAL
"decimalFormat", // UNUM_DECIMAL
"currencyFormat", // UNUM_CURRENCY
"percentFormat", // UNUM_PERCENT
"scientificFormat", // UNUM_SCIENTIFIC
NULL, // UNUM_SPELLOUT
NULL, // UNUM_ORDINAL
NULL, // UNUM_DURATION
NULL, // UNUM_NUMBERING_SYSTEM
NULL, // UNUM_PATTERN_RULEBASED
// For UNUM_CURRENCY_ISO and UNUM_CURRENCY_PLURAL,
// the pattern is the same as the pattern of UNUM_CURRENCY
// except for replacing the single currency sign with
// double currency sign or triple currency sign.
"currencyFormat", // UNUM_CURRENCY_ISO
"currencyFormat", // UNUM_CURRENCY_PLURAL
"accountingFormat", // UNUM_CURRENCY_ACCOUNTING
"currencyFormat" // UNUM_CASH_CURRENCY
};
// Static hashtable cache of NumberingSystem objects used by NumberFormat
static UHashtable * NumberingSystem_cache = NULL;
static UMutex nscacheMutex = U_MUTEX_INITIALIZER;
static icu::UInitOnce gNSCacheInitOnce = U_INITONCE_INITIALIZER;
#if !UCONFIG_NO_SERVICE
static icu::ICULocaleService* gService = NULL;
static icu::UInitOnce gServiceInitOnce = U_INITONCE_INITIALIZER;
#endif
/**
* Release all static memory held by Number Format.
*/
U_CDECL_BEGIN
static void U_CALLCONV
deleteNumberingSystem(void *obj) {
delete (icu::NumberingSystem *)obj;
}
static UBool U_CALLCONV numfmt_cleanup(void) {
#if !UCONFIG_NO_SERVICE
gServiceInitOnce.reset();
if (gService) {
delete gService;
gService = NULL;
}
#endif
gNSCacheInitOnce.reset();
if (NumberingSystem_cache) {
// delete NumberingSystem_cache;
uhash_close(NumberingSystem_cache);
NumberingSystem_cache = NULL;
}
return TRUE;
}
U_CDECL_END
// *****************************************************************************
// class NumberFormat
// *****************************************************************************
U_NAMESPACE_BEGIN
UOBJECT_DEFINE_ABSTRACT_RTTI_IMPLEMENTATION(NumberFormat)
#if !UCONFIG_NO_SERVICE
// -------------------------------------
// SimpleNumberFormatFactory implementation
NumberFormatFactory::~NumberFormatFactory() {}
SimpleNumberFormatFactory::SimpleNumberFormatFactory(const Locale& locale, UBool visible)
: _visible(visible)
{
LocaleUtility::initNameFromLocale(locale, _id);
}
SimpleNumberFormatFactory::~SimpleNumberFormatFactory() {}
UBool SimpleNumberFormatFactory::visible(void) const {
return _visible;
}
const UnicodeString *
SimpleNumberFormatFactory::getSupportedIDs(int32_t &count, UErrorCode& status) const
{
if (U_SUCCESS(status)) {
count = 1;
return &_id;
}
count = 0;
return NULL;
}
#endif /* #if !UCONFIG_NO_SERVICE */
// -------------------------------------
// default constructor
NumberFormat::NumberFormat()
: fGroupingUsed(TRUE),
fMaxIntegerDigits(gDefaultMaxIntegerDigits),
fMinIntegerDigits(1),
fMaxFractionDigits(3), // invariant, >= minFractionDigits
fMinFractionDigits(0),
fParseIntegerOnly(FALSE),
fLenient(FALSE),
fCapitalizationContext(UDISPCTX_CAPITALIZATION_NONE)
{
fCurrency[0] = 0;
}
// -------------------------------------
NumberFormat::~NumberFormat()
{
}
SharedNumberFormat::~SharedNumberFormat() {
delete ptr;
}
// -------------------------------------
// copy constructor
NumberFormat::NumberFormat(const NumberFormat &source)
: Format(source)
{
*this = source;
}
// -------------------------------------
// assignment operator
NumberFormat&
NumberFormat::operator=(const NumberFormat& rhs)
{
if (this != &rhs)
{
Format::operator=(rhs);
fGroupingUsed = rhs.fGroupingUsed;
fMaxIntegerDigits = rhs.fMaxIntegerDigits;
fMinIntegerDigits = rhs.fMinIntegerDigits;
fMaxFractionDigits = rhs.fMaxFractionDigits;
fMinFractionDigits = rhs.fMinFractionDigits;
fParseIntegerOnly = rhs.fParseIntegerOnly;
u_strncpy(fCurrency, rhs.fCurrency, 4);
fLenient = rhs.fLenient;
fCapitalizationContext = rhs.fCapitalizationContext;
}
return *this;
}
// -------------------------------------
UBool
NumberFormat::operator==(const Format& that) const
{
// Format::operator== guarantees this cast is safe
NumberFormat* other = (NumberFormat*)&that;
#ifdef FMT_DEBUG
// This code makes it easy to determine why two format objects that should
// be equal aren't.
UBool first = TRUE;
if (!Format::operator==(that)) {
if (first) { printf("[ "); first = FALSE; } else { printf(", "); }
debug("Format::!=");
}
if (!(fMaxIntegerDigits == other->fMaxIntegerDigits &&
fMinIntegerDigits == other->fMinIntegerDigits)) {
if (first) { printf("[ "); first = FALSE; } else { printf(", "); }
debug("Integer digits !=");
}
if (!(fMaxFractionDigits == other->fMaxFractionDigits &&
fMinFractionDigits == other->fMinFractionDigits)) {
if (first) { printf("[ "); first = FALSE; } else { printf(", "); }
debug("Fraction digits !=");
}
if (!(fGroupingUsed == other->fGroupingUsed)) {
if (first) { printf("[ "); first = FALSE; } else { printf(", "); }
debug("fGroupingUsed != ");
}
if (!(fParseIntegerOnly == other->fParseIntegerOnly)) {
if (first) { printf("[ "); first = FALSE; } else { printf(", "); }
debug("fParseIntegerOnly != ");
}
if (!(u_strcmp(fCurrency, other->fCurrency) == 0)) {
if (first) { printf("[ "); first = FALSE; } else { printf(", "); }
debug("fCurrency !=");
}
if (!(fLenient == other->fLenient)) {
if (first) { printf("[ "); first = FALSE; } else { printf(", "); }
debug("fLenient != ");
}
if (!(fCapitalizationContext == other->fCapitalizationContext)) {
if (first) { printf("[ "); first = FALSE; } else { printf(", "); }
debug("fCapitalizationContext != ");
}
if (!first) { printf(" ]"); }
#endif
return ((this == &that) ||
((Format::operator==(that) &&
fMaxIntegerDigits == other->fMaxIntegerDigits &&
fMinIntegerDigits == other->fMinIntegerDigits &&
fMaxFractionDigits == other->fMaxFractionDigits &&
fMinFractionDigits == other->fMinFractionDigits &&
fGroupingUsed == other->fGroupingUsed &&
fParseIntegerOnly == other->fParseIntegerOnly &&
u_strcmp(fCurrency, other->fCurrency) == 0 &&
fLenient == other->fLenient &&
fCapitalizationContext == other->fCapitalizationContext)));
}
// -------------------------------------
// Default implementation sets unsupported error; subclasses should
// override.
UnicodeString&
NumberFormat::format(double /* unused number */,
UnicodeString& toAppendTo,
FieldPositionIterator* /* unused posIter */,
UErrorCode& status) const
{
if (!U_FAILURE(status)) {
status = U_UNSUPPORTED_ERROR;
}
return toAppendTo;
}
// -------------------------------------
// Default implementation sets unsupported error; subclasses should
// override.
UnicodeString&
NumberFormat::format(int32_t /* unused number */,
UnicodeString& toAppendTo,
FieldPositionIterator* /* unused posIter */,
UErrorCode& status) const
{
if (!U_FAILURE(status)) {
status = U_UNSUPPORTED_ERROR;
}
return toAppendTo;
}
// -------------------------------------
// Default implementation sets unsupported error; subclasses should
// override.
UnicodeString&
NumberFormat::format(int64_t /* unused number */,
UnicodeString& toAppendTo,
FieldPositionIterator* /* unused posIter */,
UErrorCode& status) const
{
if (!U_FAILURE(status)) {
status = U_UNSUPPORTED_ERROR;
}
return toAppendTo;
}
// ------------------------------------------
// These functions add the status code, just fall back to the non-status versions
UnicodeString&
NumberFormat::format(double number,
UnicodeString& appendTo,
FieldPosition& pos,
UErrorCode &status) const {
if(U_SUCCESS(status)) {
return format(number,appendTo,pos);
} else {
return appendTo;
}
}
UnicodeString&
NumberFormat::format(int32_t number,
UnicodeString& appendTo,
FieldPosition& pos,
UErrorCode &status) const {
if(U_SUCCESS(status)) {
return format(number,appendTo,pos);
} else {
return appendTo;
}
}
UnicodeString&
NumberFormat::format(int64_t number,
UnicodeString& appendTo,
FieldPosition& pos,
UErrorCode &status) const {
if(U_SUCCESS(status)) {
return format(number,appendTo,pos);
} else {
return appendTo;
}
}
// -------------------------------------
// Decimal Number format() default implementation
// Subclasses do not normally override this function, but rather the DigitList
// formatting functions..
// The expected call chain from here is
// this function ->
// NumberFormat::format(Formattable ->
// DecimalFormat::format(DigitList
//
// Or, for subclasses of Formattable that do not know about DigitList,
// this Function ->
// NumberFormat::format(Formattable ->
// NumberFormat::format(DigitList ->
// XXXFormat::format(double
UnicodeString&
NumberFormat::format(const StringPiece &decimalNum,
UnicodeString& toAppendTo,
FieldPositionIterator* fpi,
UErrorCode& status) const
{
Formattable f;
f.setDecimalNumber(decimalNum, status);
format(f, toAppendTo, fpi, status);
return toAppendTo;
}
/**
*
// Formats the number object and save the format
// result in the toAppendTo string buffer.
// utility to save/restore state, used in two overloads
// of format(const Formattable&...) below.
*
* Old purpose of ArgExtractor was to avoid const. Not thread safe!
*
* keeping it around as a shim.
*/
class ArgExtractor {
const Formattable* num;
UChar save[4];
UBool fWasCurrency;
public:
ArgExtractor(const NumberFormat& nf, const Formattable& obj, UErrorCode& status);
~ArgExtractor();
const Formattable* number(void) const;
const UChar *iso(void) const;
UBool wasCurrency(void) const;
};
inline const Formattable*
ArgExtractor::number(void) const {
return num;
}
inline UBool
ArgExtractor::wasCurrency(void) const {
return fWasCurrency;
}
inline const UChar *
ArgExtractor::iso(void) const {
return save;
}
ArgExtractor::ArgExtractor(const NumberFormat& /*nf*/, const Formattable& obj, UErrorCode& /*status*/)
: num(&obj), fWasCurrency(FALSE) {
const UObject* o = obj.getObject(); // most commonly o==NULL
const CurrencyAmount* amt;
if (o != NULL && (amt = dynamic_cast<const CurrencyAmount*>(o)) != NULL) {
// getISOCurrency() returns a pointer to internal storage, so we
// copy it to retain it across the call to setCurrency().
//const UChar* curr = amt->getISOCurrency();
u_strcpy(save, amt->getISOCurrency());
num = &amt->getNumber();
fWasCurrency=TRUE;
} else {
save[0]=0;
}
}
ArgExtractor::~ArgExtractor() {
}
UnicodeString& NumberFormat::format(const DigitList &number,
UnicodeString& appendTo,
FieldPositionIterator* posIter,
UErrorCode& status) const {
// DecimalFormat overrides this function, and handles DigitList based big decimals.
// Other subclasses (ChoiceFormat, RuleBasedNumberFormat) do not (yet) handle DigitLists,
// so this default implementation falls back to formatting decimal numbers as doubles.
if (U_FAILURE(status)) {
return appendTo;
}
double dnum = number.getDouble();
format(dnum, appendTo, posIter, status);
return appendTo;
}
UnicodeString&
NumberFormat::format(const DigitList &number,
UnicodeString& appendTo,
FieldPosition& pos,
UErrorCode &status) const {
// DecimalFormat overrides this function, and handles DigitList based big decimals.
// Other subclasses (ChoiceFormat, RuleBasedNumberFormat) do not (yet) handle DigitLists,
// so this default implementation falls back to formatting decimal numbers as doubles.
if (U_FAILURE(status)) {
return appendTo;
}
double dnum = number.getDouble();
format(dnum, appendTo, pos, status);
return appendTo;
}
UnicodeString&
NumberFormat::format(const Formattable& obj,
UnicodeString& appendTo,
FieldPosition& pos,
UErrorCode& status) const
{
if (U_FAILURE(status)) return appendTo;
ArgExtractor arg(*this, obj, status);
const Formattable *n = arg.number();
const UChar *iso = arg.iso();
if(arg.wasCurrency() && u_strcmp(iso, getCurrency())) {
// trying to format a different currency.
// Right now, we clone.
LocalPointer<NumberFormat> cloneFmt((NumberFormat*)this->clone());
cloneFmt->setCurrency(iso, status);
// next line should NOT recurse, because n is numeric whereas obj was a wrapper around currency amount.
return cloneFmt->format(*n, appendTo, pos, status);
}
if (n->isNumeric() && n->getDigitList() != NULL) {
// Decimal Number. We will have a DigitList available if the value was
// set to a decimal number, or if the value originated with a parse.
//
// The default implementation for formatting a DigitList converts it
// to a double, and formats that, allowing formatting classes that don't
// know about DigitList to continue to operate as they had.
//
// DecimalFormat overrides the DigitList formatting functions.
format(*n->getDigitList(), appendTo, pos, status);
} else {
switch (n->getType()) {
case Formattable::kDouble:
format(n->getDouble(), appendTo, pos);
break;
case Formattable::kLong:
format(n->getLong(), appendTo, pos);
break;
case Formattable::kInt64:
format(n->getInt64(), appendTo, pos);
break;
default:
status = U_INVALID_FORMAT_ERROR;
break;
}
}
return appendTo;
}
// -------------------------------------x
// Formats the number object and save the format
// result in the toAppendTo string buffer.
UnicodeString&
NumberFormat::format(const Formattable& obj,
UnicodeString& appendTo,
FieldPositionIterator* posIter,
UErrorCode& status) const
{
if (U_FAILURE(status)) return appendTo;
ArgExtractor arg(*this, obj, status);
const Formattable *n = arg.number();
const UChar *iso = arg.iso();
if(arg.wasCurrency() && u_strcmp(iso, getCurrency())) {
// trying to format a different currency.
// Right now, we clone.
LocalPointer<NumberFormat> cloneFmt((NumberFormat*)this->clone());
cloneFmt->setCurrency(iso, status);
// next line should NOT recurse, because n is numeric whereas obj was a wrapper around currency amount.
return cloneFmt->format(*n, appendTo, posIter, status);
}
if (n->isNumeric() && n->getDigitList() != NULL) {
// Decimal Number
format(*n->getDigitList(), appendTo, posIter, status);
} else {
switch (n->getType()) {
case Formattable::kDouble:
format(n->getDouble(), appendTo, posIter, status);
break;
case Formattable::kLong:
format(n->getLong(), appendTo, posIter, status);
break;
case Formattable::kInt64:
format(n->getInt64(), appendTo, posIter, status);
break;
default:
status = U_INVALID_FORMAT_ERROR;
break;
}
}
return appendTo;
}
// -------------------------------------
UnicodeString&
NumberFormat::format(int64_t number,
UnicodeString& appendTo,
FieldPosition& pos) const
{
// default so we don't introduce a new abstract method
return format((int32_t)number, appendTo, pos);
}
// -------------------------------------
// Parses the string and save the result object as well
// as the final parsed position.
void
NumberFormat::parseObject(const UnicodeString& source,
Formattable& result,
ParsePosition& parse_pos) const
{
parse(source, result, parse_pos);
}
// -------------------------------------
// Formats a double number and save the result in a string.
UnicodeString&
NumberFormat::format(double number, UnicodeString& appendTo) const
{
FieldPosition pos(0);
return format(number, appendTo, pos);
}
// -------------------------------------
// Formats a long number and save the result in a string.
UnicodeString&
NumberFormat::format(int32_t number, UnicodeString& appendTo) const
{
FieldPosition pos(0);
return format(number, appendTo, pos);
}
// -------------------------------------
// Formats a long number and save the result in a string.
UnicodeString&
NumberFormat::format(int64_t number, UnicodeString& appendTo) const
{
FieldPosition pos(0);
return format(number, appendTo, pos);
}
// -------------------------------------
// Parses the text and save the result object. If the returned
// parse position is 0, that means the parsing failed, the status
// code needs to be set to failure. Ignores the returned parse
// position, otherwise.
void
NumberFormat::parse(const UnicodeString& text,
Formattable& result,
UErrorCode& status) const
{
if (U_FAILURE(status)) return;
ParsePosition parsePosition(0);
parse(text, result, parsePosition);
if (parsePosition.getIndex() == 0) {
status = U_INVALID_FORMAT_ERROR;
}
}
CurrencyAmount* NumberFormat::parseCurrency(const UnicodeString& text,
ParsePosition& pos) const {
// Default implementation only -- subclasses should override
Formattable parseResult;
int32_t start = pos.getIndex();
parse(text, parseResult, pos);
if (pos.getIndex() != start) {
UChar curr[4];
UErrorCode ec = U_ZERO_ERROR;
getEffectiveCurrency(curr, ec);
if (U_SUCCESS(ec)) {
LocalPointer<CurrencyAmount> currAmt(new CurrencyAmount(parseResult, curr, ec));
if (U_FAILURE(ec)) {
pos.setIndex(start); // indicate failure
} else {
return currAmt.orphan();
}
}
}
return NULL;
}
// -------------------------------------
// Sets to only parse integers.
void
NumberFormat::setParseIntegerOnly(UBool value)
{
fParseIntegerOnly = value;
}
// -------------------------------------
// Sets whether lenient parse is enabled.
void
NumberFormat::setLenient(UBool enable)
{
fLenient = enable;
}
// -------------------------------------
// Create a number style NumberFormat instance with the default locale.
NumberFormat* U_EXPORT2
NumberFormat::createInstance(UErrorCode& status)
{
return createInstance(Locale::getDefault(), UNUM_DECIMAL, status);
}
// -------------------------------------
// Create a number style NumberFormat instance with the inLocale locale.
NumberFormat* U_EXPORT2
NumberFormat::createInstance(const Locale& inLocale, UErrorCode& status)
{
return createInstance(inLocale, UNUM_DECIMAL, status);
}
// -------------------------------------
// Create a currency style NumberFormat instance with the default locale.
NumberFormat* U_EXPORT2
NumberFormat::createCurrencyInstance(UErrorCode& status)
{
return createCurrencyInstance(Locale::getDefault(), status);
}
// -------------------------------------
// Create a currency style NumberFormat instance with the inLocale locale.
NumberFormat* U_EXPORT2
NumberFormat::createCurrencyInstance(const Locale& inLocale, UErrorCode& status)
{
return createInstance(inLocale, UNUM_CURRENCY, status);
}
// -------------------------------------
// Create a percent style NumberFormat instance with the default locale.
NumberFormat* U_EXPORT2
NumberFormat::createPercentInstance(UErrorCode& status)
{
return createInstance(Locale::getDefault(), UNUM_PERCENT, status);
}
// -------------------------------------
// Create a percent style NumberFormat instance with the inLocale locale.
NumberFormat* U_EXPORT2
NumberFormat::createPercentInstance(const Locale& inLocale, UErrorCode& status)
{
return createInstance(inLocale, UNUM_PERCENT, status);
}
// -------------------------------------
// Create a scientific style NumberFormat instance with the default locale.
NumberFormat* U_EXPORT2
NumberFormat::createScientificInstance(UErrorCode& status)
{
return createInstance(Locale::getDefault(), UNUM_SCIENTIFIC, status);
}
// -------------------------------------
// Create a scientific style NumberFormat instance with the inLocale locale.
NumberFormat* U_EXPORT2
NumberFormat::createScientificInstance(const Locale& inLocale, UErrorCode& status)
{
return createInstance(inLocale, UNUM_SCIENTIFIC, status);
}
// -------------------------------------
const Locale* U_EXPORT2
NumberFormat::getAvailableLocales(int32_t& count)
{
return Locale::getAvailableLocales(count);
}
// ------------------------------------------
//
// Registration
//
//-------------------------------------------
#if !UCONFIG_NO_SERVICE
// -------------------------------------
class ICUNumberFormatFactory : public ICUResourceBundleFactory {
public:
virtual ~ICUNumberFormatFactory();
protected:
virtual UObject* handleCreate(const Locale& loc, int32_t kind, const ICUService* /* service */, UErrorCode& status) const {
return NumberFormat::makeInstance(loc, (UNumberFormatStyle)kind, status);
}
};
ICUNumberFormatFactory::~ICUNumberFormatFactory() {}
// -------------------------------------
class NFFactory : public LocaleKeyFactory {
private:
NumberFormatFactory* _delegate;
Hashtable* _ids;
public:
NFFactory(NumberFormatFactory* delegate)
: LocaleKeyFactory(delegate->visible() ? VISIBLE : INVISIBLE)
, _delegate(delegate)
, _ids(NULL)
{
}
virtual ~NFFactory();
virtual UObject* create(const ICUServiceKey& key, const ICUService* service, UErrorCode& status) const
{
if (handlesKey(key, status)) {
const LocaleKey& lkey = (const LocaleKey&)key;
Locale loc;
lkey.canonicalLocale(loc);
int32_t kind = lkey.kind();
UObject* result = _delegate->createFormat(loc, (UNumberFormatStyle)kind);
if (result == NULL) {
result = service->getKey((ICUServiceKey&)key /* cast away const */, NULL, this, status);
}
return result;
}
return NULL;
}
protected:
/**
* Return the set of ids that this factory supports (visible or
* otherwise). This can be called often and might need to be
* cached if it is expensive to create.
*/
virtual const Hashtable* getSupportedIDs(UErrorCode& status) const
{
if (U_SUCCESS(status)) {
if (!_ids) {
int32_t count = 0;
const UnicodeString * const idlist = _delegate->getSupportedIDs(count, status);
((NFFactory*)this)->_ids = new Hashtable(status); /* cast away const */
if (_ids) {
for (int i = 0; i < count; ++i) {
_ids->put(idlist[i], (void*)this, status);
}
}
}
return _ids;
}
return NULL;
}
};
NFFactory::~NFFactory()
{
delete _delegate;
delete _ids;
}
class ICUNumberFormatService : public ICULocaleService {
public:
ICUNumberFormatService()
: ICULocaleService(UNICODE_STRING_SIMPLE("Number Format"))
{
UErrorCode status = U_ZERO_ERROR;
registerFactory(new ICUNumberFormatFactory(), status);
}
virtual ~ICUNumberFormatService();
virtual UObject* cloneInstance(UObject* instance) const {
return ((NumberFormat*)instance)->clone();
}
virtual UObject* handleDefault(const ICUServiceKey& key, UnicodeString* /* actualID */, UErrorCode& status) const {
LocaleKey& lkey = (LocaleKey&)key;
int32_t kind = lkey.kind();
Locale loc;
lkey.currentLocale(loc);
return NumberFormat::makeInstance(loc, (UNumberFormatStyle)kind, status);
}
virtual UBool isDefault() const {
return countFactories() == 1;
}
};
ICUNumberFormatService::~ICUNumberFormatService() {}
// -------------------------------------
static void U_CALLCONV initNumberFormatService() {
U_ASSERT(gService == NULL);
ucln_i18n_registerCleanup(UCLN_I18N_NUMFMT, numfmt_cleanup);
gService = new ICUNumberFormatService();
}
static ICULocaleService*
getNumberFormatService(void)
{
umtx_initOnce(gServiceInitOnce, &initNumberFormatService);
return gService;
}
static UBool haveService() {
return !gServiceInitOnce.isReset() && (getNumberFormatService() != NULL);
}
// -------------------------------------
URegistryKey U_EXPORT2
NumberFormat::registerFactory(NumberFormatFactory* toAdopt, UErrorCode& status)
{
ICULocaleService *service = getNumberFormatService();
if (service) {
NFFactory *tempnnf = new NFFactory(toAdopt);
if (tempnnf != NULL) {
return service->registerFactory(tempnnf, status);
}
}
status = U_MEMORY_ALLOCATION_ERROR;
return NULL;
}
// -------------------------------------
UBool U_EXPORT2
NumberFormat::unregister(URegistryKey key, UErrorCode& status)
{
if (U_FAILURE(status)) {
return FALSE;
}
if (haveService()) {
return gService->unregister(key, status);
} else {
status = U_ILLEGAL_ARGUMENT_ERROR;
return FALSE;
}
}
// -------------------------------------
StringEnumeration* U_EXPORT2
NumberFormat::getAvailableLocales(void)
{
ICULocaleService *service = getNumberFormatService();
if (service) {
return service->getAvailableLocales();
}
return NULL; // no way to return error condition
}
#endif /* UCONFIG_NO_SERVICE */
// -------------------------------------
NumberFormat*
NumberFormat::internalCreateInstance(const Locale& loc, UNumberFormatStyle kind, UErrorCode& status) {
#if !UCONFIG_NO_SERVICE
if (haveService()) {
return (NumberFormat*)gService->get(loc, kind, status);
}
#endif
return makeInstance(loc, kind, status);
}
NumberFormat* U_EXPORT2
NumberFormat::createInstance(const Locale& loc, UNumberFormatStyle kind, UErrorCode& status) {
if (kind != UNUM_DECIMAL) {
return internalCreateInstance(loc, kind, status);
}
const SharedNumberFormat *shared = createSharedInstance(loc, kind, status);
if (U_FAILURE(status)) {
return NULL;
}
NumberFormat *result = static_cast<NumberFormat *>((*shared)->clone());
shared->removeRef();
if (result == NULL) {
status = U_MEMORY_ALLOCATION_ERROR;
}
return result;
}
// -------------------------------------
// Checks if the thousand/10 thousand grouping is used in the
// NumberFormat instance.
UBool
NumberFormat::isGroupingUsed() const
{
return fGroupingUsed;
}
// -------------------------------------
// Sets to use the thousand/10 thousand grouping in the
// NumberFormat instance.
void
NumberFormat::setGroupingUsed(UBool newValue)
{
fGroupingUsed = newValue;
}
// -------------------------------------
// Gets the maximum number of digits for the integral part for
// this NumberFormat instance.
int32_t NumberFormat::getMaximumIntegerDigits() const
{
return fMaxIntegerDigits;
}
// -------------------------------------
// Sets the maximum number of digits for the integral part for
// this NumberFormat instance.
void
NumberFormat::setMaximumIntegerDigits(int32_t newValue)
{
fMaxIntegerDigits = uprv_max(0, uprv_min(newValue, gDefaultMaxIntegerDigits));
if(fMinIntegerDigits > fMaxIntegerDigits)
fMinIntegerDigits = fMaxIntegerDigits;
}
// -------------------------------------
// Gets the minimum number of digits for the integral part for
// this NumberFormat instance.
int32_t
NumberFormat::getMinimumIntegerDigits() const
{
return fMinIntegerDigits;
}
// -------------------------------------
// Sets the minimum number of digits for the integral part for
// this NumberFormat instance.
void
NumberFormat::setMinimumIntegerDigits(int32_t newValue)
{
fMinIntegerDigits = uprv_max(0, uprv_min(newValue, gDefaultMinIntegerDigits));
if(fMinIntegerDigits > fMaxIntegerDigits)
fMaxIntegerDigits = fMinIntegerDigits;
}
// -------------------------------------
// Gets the maximum number of digits for the fractional part for
// this NumberFormat instance.
int32_t
NumberFormat::getMaximumFractionDigits() const
{
return fMaxFractionDigits;
}
// -------------------------------------
// Sets the maximum number of digits for the fractional part for
// this NumberFormat instance.
void
NumberFormat::setMaximumFractionDigits(int32_t newValue)
{
fMaxFractionDigits = uprv_max(0, uprv_min(newValue, gDefaultMaxIntegerDigits));
if(fMaxFractionDigits < fMinFractionDigits)
fMinFractionDigits = fMaxFractionDigits;
}
// -------------------------------------
// Gets the minimum number of digits for the fractional part for
// this NumberFormat instance.
int32_t
NumberFormat::getMinimumFractionDigits() const
{
return fMinFractionDigits;
}
// -------------------------------------
// Sets the minimum number of digits for the fractional part for
// this NumberFormat instance.
void
NumberFormat::setMinimumFractionDigits(int32_t newValue)
{
fMinFractionDigits = uprv_max(0, uprv_min(newValue, gDefaultMinIntegerDigits));
if (fMaxFractionDigits < fMinFractionDigits)
fMaxFractionDigits = fMinFractionDigits;
}
// -------------------------------------
void NumberFormat::setCurrency(const UChar* theCurrency, UErrorCode& ec) {
if (U_FAILURE(ec)) {
return;
}
if (theCurrency) {
u_strncpy(fCurrency, theCurrency, 3);
fCurrency[3] = 0;
} else {
fCurrency[0] = 0;
}
}
const UChar* NumberFormat::getCurrency() const {
return fCurrency;
}
void NumberFormat::getEffectiveCurrency(UChar* result, UErrorCode& ec) const {
const UChar* c = getCurrency();
if (*c != 0) {
u_strncpy(result, c, 3);
result[3] = 0;
} else {
const char* loc = getLocaleID(ULOC_VALID_LOCALE, ec);
if (loc == NULL) {
loc = uloc_getDefault();
}
ucurr_forLocale(loc, result, 4, &ec);
}
}
//----------------------------------------------------------------------
void NumberFormat::setContext(UDisplayContext value, UErrorCode& status)
{
if (U_FAILURE(status))
return;
if ( (UDisplayContextType)((uint32_t)value >> 8) == UDISPCTX_TYPE_CAPITALIZATION ) {
fCapitalizationContext = value;
} else {
status = U_ILLEGAL_ARGUMENT_ERROR;
}
}
UDisplayContext NumberFormat::getContext(UDisplayContextType type, UErrorCode& status) const
{
if (U_FAILURE(status))
return (UDisplayContext)0;
if (type != UDISPCTX_TYPE_CAPITALIZATION) {
status = U_ILLEGAL_ARGUMENT_ERROR;
return (UDisplayContext)0;
}
return fCapitalizationContext;
}
// -------------------------------------
// Creates the NumberFormat instance of the specified style (number, currency,
// or percent) for the desired locale.
static void U_CALLCONV nscacheInit() {
U_ASSERT(NumberingSystem_cache == NULL);
ucln_i18n_registerCleanup(UCLN_I18N_NUMFMT, numfmt_cleanup);
UErrorCode status = U_ZERO_ERROR;
NumberingSystem_cache = uhash_open(uhash_hashLong,
uhash_compareLong,
NULL,
&status);
if (U_FAILURE(status)) {
// Number Format code will run with no cache if creation fails.
NumberingSystem_cache = NULL;
return;
}
uhash_setValueDeleter(NumberingSystem_cache, deleteNumberingSystem);
}
template<> U_I18N_API
const SharedNumberFormat *LocaleCacheKey<SharedNumberFormat>::createObject(
const void * /*unused*/, UErrorCode &status) const {
const char *localeId = fLoc.getName();
NumberFormat *nf = NumberFormat::internalCreateInstance(
localeId, UNUM_DECIMAL, status);
if (U_FAILURE(status)) {
return NULL;
}
SharedNumberFormat *result = new SharedNumberFormat(nf);
if (result == NULL) {
status = U_MEMORY_ALLOCATION_ERROR;
delete nf;
return NULL;
}
result->addRef();
return result;
}
const SharedNumberFormat* U_EXPORT2
NumberFormat::createSharedInstance(const Locale& loc, UNumberFormatStyle kind, UErrorCode& status) {
if (U_FAILURE(status)) {
return NULL;
}
if (kind != UNUM_DECIMAL) {
status = U_UNSUPPORTED_ERROR;
return NULL;
}
const SharedNumberFormat *result = NULL;
UnifiedCache::getByLocale(loc, result, status);
return result;
}
UBool
NumberFormat::isStyleSupported(UNumberFormatStyle style) {
return gLastResortNumberPatterns[style] != NULL;
}
NumberFormat*
NumberFormat::makeInstance(const Locale& desiredLocale,
UNumberFormatStyle style,
UErrorCode& status) {
return makeInstance(desiredLocale, style, false, status);
}
NumberFormat*
NumberFormat::makeInstance(const Locale& desiredLocale,
UNumberFormatStyle style,
UBool mustBeDecimalFormat,
UErrorCode& status) {
if (U_FAILURE(status)) return NULL;
if (style < 0 || style >= UNUM_FORMAT_STYLE_COUNT) {
status = U_ILLEGAL_ARGUMENT_ERROR;
return NULL;
}
// Some styles are not supported. This is a result of merging
// the @draft ICU 4.2 NumberFormat::EStyles into the long-existing UNumberFormatStyle.
// Ticket #8503 is for reviewing/fixing/merging the two relevant implementations:
// this one and unum_open().
// The UNUM_PATTERN_ styles are not supported here
// because this method does not take a pattern string.
if (!isStyleSupported(style)) {
status = U_UNSUPPORTED_ERROR;
return NULL;
}
#if U_PLATFORM_USES_ONLY_WIN32_API
if (!mustBeDecimalFormat) {
char buffer[8];
int32_t count = desiredLocale.getKeywordValue("compat", buffer, sizeof(buffer), status);
// if the locale has "@compat=host", create a host-specific NumberFormat
if (U_SUCCESS(status) && count > 0 && uprv_strcmp(buffer, "host") == 0) {
Win32NumberFormat *f = NULL;
UBool curr = TRUE;
switch (style) {
case UNUM_DECIMAL:
curr = FALSE;
// fall-through
case UNUM_CURRENCY:
case UNUM_CURRENCY_ISO: // do not support plural formatting here
case UNUM_CURRENCY_PLURAL:
case UNUM_CURRENCY_ACCOUNTING:
case UNUM_CASH_CURRENCY:
f = new Win32NumberFormat(desiredLocale, curr, status);
if (U_SUCCESS(status)) {
return f;
}
delete f;
break;
default:
break;
}
}
}
#endif
// Use numbering system cache hashtable
umtx_initOnce(gNSCacheInitOnce, &nscacheInit);
// Get cached numbering system
LocalPointer<NumberingSystem> ownedNs;
NumberingSystem *ns = NULL;
if (NumberingSystem_cache != NULL) {
// TODO: Bad hash key usage, see ticket #8504.
int32_t hashKey = desiredLocale.hashCode();
Mutex lock(&nscacheMutex);
ns = (NumberingSystem *)uhash_iget(NumberingSystem_cache, hashKey);
if (ns == NULL) {
ns = NumberingSystem::createInstance(desiredLocale,status);
uhash_iput(NumberingSystem_cache, hashKey, (void*)ns, &status);
}
} else {
ownedNs.adoptInstead(NumberingSystem::createInstance(desiredLocale,status));
ns = ownedNs.getAlias();
}
// check results of getting a numbering system
if (U_FAILURE(status)) {
return NULL;
}
if (mustBeDecimalFormat && ns->isAlgorithmic()) {
status = U_UNSUPPORTED_ERROR;
return NULL;
}
LocalPointer<DecimalFormatSymbols> symbolsToAdopt;
UnicodeString pattern;
LocalUResourceBundlePointer ownedResource(ures_open(NULL, desiredLocale.getName(), &status));
if (U_FAILURE(status)) {
return NULL;
}
else {
// Loads the decimal symbols of the desired locale.
symbolsToAdopt.adoptInstead(new DecimalFormatSymbols(desiredLocale, status));
if (symbolsToAdopt.isNull()) {
status = U_MEMORY_ALLOCATION_ERROR;
return NULL;
}
UResourceBundle *resource = ownedResource.orphan();
UResourceBundle *numElements = ures_getByKeyWithFallback(resource, gNumberElements, NULL, &status);
resource = ures_getByKeyWithFallback(numElements, ns->getName(), resource, &status);
resource = ures_getByKeyWithFallback(resource, gPatterns, resource, &status);
ownedResource.adoptInstead(resource);
int32_t patLen = 0;
const UChar *patResStr = ures_getStringByKeyWithFallback(resource, gFormatKeys[style], &patLen, &status);
// Didn't find a pattern specific to the numbering system, so fall back to "latn"
if ( status == U_MISSING_RESOURCE_ERROR && uprv_strcmp(gLatn,ns->getName())) {
status = U_ZERO_ERROR;
resource = ures_getByKeyWithFallback(numElements, gLatn, resource, &status);
resource = ures_getByKeyWithFallback(resource, gPatterns, resource, &status);
patResStr = ures_getStringByKeyWithFallback(resource, gFormatKeys[style], &patLen, &status);
}
ures_close(numElements);
// Creates the specified decimal format style of the desired locale.
pattern.setTo(TRUE, patResStr, patLen);
}
if (U_FAILURE(status)) {
return NULL;
}
if(style==UNUM_CURRENCY || style == UNUM_CURRENCY_ISO || style == UNUM_CURRENCY_ACCOUNTING
|| style == UNUM_CASH_CURRENCY){
const UChar* currPattern = symbolsToAdopt->getCurrencyPattern();
if(currPattern!=NULL){
pattern.setTo(currPattern, u_strlen(currPattern));
}
}
NumberFormat *f;
if (ns->isAlgorithmic()) {
UnicodeString nsDesc;
UnicodeString nsRuleSetGroup;
UnicodeString nsRuleSetName;
Locale nsLoc;
URBNFRuleSetTag desiredRulesType = URBNF_NUMBERING_SYSTEM;
nsDesc.setTo(ns->getDescription());
int32_t firstSlash = nsDesc.indexOf(gSlash);
int32_t lastSlash = nsDesc.lastIndexOf(gSlash);
if ( lastSlash > firstSlash ) {
CharString nsLocID;
nsLocID.appendInvariantChars(nsDesc.tempSubString(0, firstSlash), status);
nsRuleSetGroup.setTo(nsDesc,firstSlash+1,lastSlash-firstSlash-1);
nsRuleSetName.setTo(nsDesc,lastSlash+1);
nsLoc = Locale::createFromName(nsLocID.data());
UnicodeString SpelloutRules = UNICODE_STRING_SIMPLE("SpelloutRules");
if ( nsRuleSetGroup.compare(SpelloutRules) == 0 ) {
desiredRulesType = URBNF_SPELLOUT;
}
} else {
nsLoc = desiredLocale;
nsRuleSetName.setTo(nsDesc);
}
RuleBasedNumberFormat *r = new RuleBasedNumberFormat(desiredRulesType,nsLoc,status);
if (r == NULL) {
status = U_MEMORY_ALLOCATION_ERROR;
return NULL;
}
r->setDefaultRuleSet(nsRuleSetName,status);
f = r;
} else {
// replace single currency sign in the pattern with double currency sign
// if the style is UNUM_CURRENCY_ISO
if (style == UNUM_CURRENCY_ISO) {
pattern.findAndReplace(UnicodeString(TRUE, gSingleCurrencySign, 1),
UnicodeString(TRUE, gDoubleCurrencySign, 2));
}
// "new DecimalFormat()" does not adopt the symbols if its memory allocation fails.
DecimalFormatSymbols *syms = symbolsToAdopt.orphan();
DecimalFormat* df = new DecimalFormat(pattern, syms, style, status);
// if it is cash currency style, setCurrencyUsage with usage
if (style == UNUM_CASH_CURRENCY){
df->setCurrencyUsage(UCURR_USAGE_CASH, &status);
}
if (U_FAILURE(status)) {
delete df;
return NULL;
}
f = df;
if (f == NULL) {
delete syms;
status = U_MEMORY_ALLOCATION_ERROR;
return NULL;
}
}
f->setLocaleIDs(ures_getLocaleByType(ownedResource.getAlias(), ULOC_VALID_LOCALE, &status),
ures_getLocaleByType(ownedResource.getAlias(), ULOC_ACTUAL_LOCALE, &status));
if (U_FAILURE(status)) {
delete f;
return NULL;
}
return f;
}
U_NAMESPACE_END
#endif /* #if !UCONFIG_NO_FORMATTING */
//eof