diff options
Diffstat (limited to 'deps/icu-small/source/i18n/decimfmt.cpp')
| -rw-r--r-- | deps/icu-small/source/i18n/decimfmt.cpp | 4030 |
1 files changed, 1059 insertions, 2971 deletions
diff --git a/deps/icu-small/source/i18n/decimfmt.cpp b/deps/icu-small/source/i18n/decimfmt.cpp index 80a9446e14..a2638bb742 100644 --- a/deps/icu-small/source/i18n/decimfmt.cpp +++ b/deps/icu-small/source/i18n/decimfmt.cpp @@ -1,3295 +1,1383 @@ -// © 2016 and later: Unicode, Inc. and others. +// © 2018 and later: Unicode, Inc. and others. // License & terms of use: http://www.unicode.org/copyright.html -/* -******************************************************************************* -* Copyright (C) 1997-2015, International Business Machines Corporation and * -* others. All Rights Reserved. * -******************************************************************************* -* -* File DECIMFMT.CPP -* -* Modification History: -* -* Date Name Description -* 02/19/97 aliu Converted from java. -* 03/20/97 clhuang Implemented with new APIs. -* 03/31/97 aliu Moved isLONG_MIN to DigitList, and fixed it. -* 04/3/97 aliu Rewrote parsing and formatting completely, and -* cleaned up and debugged. Actually works now. -* Implemented NAN and INF handling, for both parsing -* and formatting. Extensive testing & debugging. -* 04/10/97 aliu Modified to compile on AIX. -* 04/16/97 aliu Rewrote to use DigitList, which has been resurrected. -* Changed DigitCount to int per code review. -* 07/09/97 helena Made ParsePosition into a class. -* 08/26/97 aliu Extensive changes to applyPattern; completely -* rewritten from the Java. -* 09/09/97 aliu Ported over support for exponential formats. -* 07/20/98 stephen JDK 1.2 sync up. -* Various instances of '0' replaced with 'NULL' -* Check for grouping size in subFormat() -* Brought subParse() in line with Java 1.2 -* Added method appendAffix() -* 08/24/1998 srl Removed Mutex calls. This is not a thread safe class! -* 02/22/99 stephen Removed character literals for EBCDIC safety -* 06/24/99 helena Integrated Alan's NF enhancements and Java2 bug fixes -* 06/28/99 stephen Fixed bugs in toPattern(). -* 06/29/99 stephen Fixed operator= to copy fFormatWidth, fPad, -* fPadPosition -******************************************************************************** -*/ #include "unicode/utypes.h" #if !UCONFIG_NO_FORMATTING -#include "unicode/uniset.h" -#include "unicode/currpinf.h" -#include "unicode/plurrule.h" -#include "unicode/utf16.h" -#include "unicode/numsys.h" -#include "unicode/localpointer.h" -#include "unicode/ustring.h" -#include "uresimp.h" -#include "ucurrimp.h" -#include "charstr.h" -#include "patternprops.h" -#include "cstring.h" -#include "uassert.h" -#include "hash.h" -#include "decfmtst.h" -#include "plurrule_impl.h" -#include "decimalformatpattern.h" -#include "fmtableimp.h" -#include "decimfmtimpl.h" -#include "visibledigits.h" - -/* - * On certain platforms, round is a macro defined in math.h - * This undefine is to avoid conflict between the macro and - * the function defined below. - */ -#ifdef round -#undef round -#endif - - -U_NAMESPACE_BEGIN - -#ifdef FMT_DEBUG -#include <stdio.h> -static void _debugout(const char *f, int l, const UnicodeString& s) { - char buf[2000]; - s.extract((int32_t) 0, s.length(), buf, "utf-8"); - printf("%s:%d: %s\n", f,l, buf); -} -#define debugout(x) _debugout(__FILE__,__LINE__,x) -#define debug(x) printf("%s:%d: %s\n", __FILE__,__LINE__, x); -static const UnicodeString dbg_null("<NULL>",""); -#define DEREFSTR(x) ((x!=NULL)?(*x):(dbg_null)) +// Allow implicit conversion from char16_t* to UnicodeString for this file: +// Helpful in toString methods and elsewhere. +#define UNISTR_FROM_STRING_EXPLICIT + +#include <cmath> +#include <cstdlib> +#include <stdlib.h> +#include "unicode/errorcode.h" +#include "unicode/decimfmt.h" +#include "number_decimalquantity.h" +#include "number_types.h" +#include "numparse_impl.h" +#include "number_mapper.h" +#include "number_patternstring.h" +#include "putilimp.h" +#include "number_utils.h" +#include "number_utypes.h" + +using namespace icu; +using namespace icu::number; +using namespace icu::number::impl; +using namespace icu::numparse; +using namespace icu::numparse::impl; +using ERoundingMode = icu::DecimalFormat::ERoundingMode; +using EPadPosition = icu::DecimalFormat::EPadPosition; + +// MSVC warns C4805 when comparing bool with UBool +// TODO: Move this macro into a better place? +#if U_PF_WINDOWS <= U_PLATFORM && U_PLATFORM <= U_PF_CYGWIN +#define UBOOL_TO_BOOL(b) static_cast<bool>(b) #else -#define debugout(x) -#define debug(x) -#endif - - -/* For currency parsing purose, - * Need to remember all prefix patterns and suffix patterns of - * every currency format pattern, - * including the pattern of default currecny style - * and plural currency style. And the patterns are set through applyPattern. - */ -struct AffixPatternsForCurrency : public UMemory { - // negative prefix pattern - UnicodeString negPrefixPatternForCurrency; - // negative suffix pattern - UnicodeString negSuffixPatternForCurrency; - // positive prefix pattern - UnicodeString posPrefixPatternForCurrency; - // positive suffix pattern - UnicodeString posSuffixPatternForCurrency; - int8_t patternType; - - AffixPatternsForCurrency(const UnicodeString& negPrefix, - const UnicodeString& negSuffix, - const UnicodeString& posPrefix, - const UnicodeString& posSuffix, - int8_t type) { - negPrefixPatternForCurrency = negPrefix; - negSuffixPatternForCurrency = negSuffix; - posPrefixPatternForCurrency = posPrefix; - posSuffixPatternForCurrency = posSuffix; - patternType = type; - } -#ifdef FMT_DEBUG - void dump() const { - debugout( UnicodeString("AffixPatternsForCurrency( -=\"") + - negPrefixPatternForCurrency + (UnicodeString)"\"/\"" + - negSuffixPatternForCurrency + (UnicodeString)"\" +=\"" + - posPrefixPatternForCurrency + (UnicodeString)"\"/\"" + - posSuffixPatternForCurrency + (UnicodeString)"\" )"); - } +#define UBOOL_TO_BOOL(b) b #endif -}; - -/* affix for currency formatting when the currency sign in the pattern - * equals to 3, such as the pattern contains 3 currency sign or - * the formatter style is currency plural format style. - */ -struct AffixesForCurrency : public UMemory { - // negative prefix - UnicodeString negPrefixForCurrency; - // negative suffix - UnicodeString negSuffixForCurrency; - // positive prefix - UnicodeString posPrefixForCurrency; - // positive suffix - UnicodeString posSuffixForCurrency; - - int32_t formatWidth; - - AffixesForCurrency(const UnicodeString& negPrefix, - const UnicodeString& negSuffix, - const UnicodeString& posPrefix, - const UnicodeString& posSuffix) { - negPrefixForCurrency = negPrefix; - negSuffixForCurrency = negSuffix; - posPrefixForCurrency = posPrefix; - posSuffixForCurrency = posSuffix; - } -#ifdef FMT_DEBUG - void dump() const { - debugout( UnicodeString("AffixesForCurrency( -=\"") + - negPrefixForCurrency + (UnicodeString)"\"/\"" + - negSuffixForCurrency + (UnicodeString)"\" +=\"" + - posPrefixForCurrency + (UnicodeString)"\"/\"" + - posSuffixForCurrency + (UnicodeString)"\" )"); - } -#endif -}; - -U_CDECL_BEGIN - -/** - * @internal ICU 4.2 - */ -static UBool U_CALLCONV decimfmtAffixPatternValueComparator(UHashTok val1, UHashTok val2); - - -static UBool -U_CALLCONV decimfmtAffixPatternValueComparator(UHashTok val1, UHashTok val2) { - const AffixPatternsForCurrency* affix_1 = - (AffixPatternsForCurrency*)val1.pointer; - const AffixPatternsForCurrency* affix_2 = - (AffixPatternsForCurrency*)val2.pointer; - return affix_1->negPrefixPatternForCurrency == - affix_2->negPrefixPatternForCurrency && - affix_1->negSuffixPatternForCurrency == - affix_2->negSuffixPatternForCurrency && - affix_1->posPrefixPatternForCurrency == - affix_2->posPrefixPatternForCurrency && - affix_1->posSuffixPatternForCurrency == - affix_2->posSuffixPatternForCurrency && - affix_1->patternType == affix_2->patternType; -} - -U_CDECL_END - - -// ***************************************************************************** -// class DecimalFormat -// ***************************************************************************** - UOBJECT_DEFINE_RTTI_IMPLEMENTATION(DecimalFormat) -// Constants for characters used in programmatic (unlocalized) patterns. -#define kPatternZeroDigit ((UChar)0x0030) /*'0'*/ -#define kPatternSignificantDigit ((UChar)0x0040) /*'@'*/ -#define kPatternGroupingSeparator ((UChar)0x002C) /*','*/ -#define kPatternDecimalSeparator ((UChar)0x002E) /*'.'*/ -#define kPatternPerMill ((UChar)0x2030) -#define kPatternPercent ((UChar)0x0025) /*'%'*/ -#define kPatternDigit ((UChar)0x0023) /*'#'*/ -#define kPatternSeparator ((UChar)0x003B) /*';'*/ -#define kPatternExponent ((UChar)0x0045) /*'E'*/ -#define kPatternPlus ((UChar)0x002B) /*'+'*/ -#define kPatternMinus ((UChar)0x002D) /*'-'*/ -#define kPatternPadEscape ((UChar)0x002A) /*'*'*/ -#define kQuote ((UChar)0x0027) /*'\''*/ -/** - * The CURRENCY_SIGN is the standard Unicode symbol for currency. It - * is used in patterns and substitued with either the currency symbol, - * or if it is doubled, with the international currency symbol. If the - * CURRENCY_SIGN is seen in a pattern, then the decimal separator is - * replaced with the monetary decimal separator. - */ -#define kCurrencySign ((UChar)0x00A4) -#define kDefaultPad ((UChar)0x0020) /* */ - -const int32_t DecimalFormat::kDoubleIntegerDigits = 309; -const int32_t DecimalFormat::kDoubleFractionDigits = 340; - -const int32_t DecimalFormat::kMaxScientificIntegerDigits = 8; - -/** - * These are the tags we expect to see in normal resource bundle files associated - * with a locale. - */ -const char DecimalFormat::fgNumberPatterns[]="NumberPatterns"; // Deprecated - not used -static const char fgNumberElements[]="NumberElements"; -static const char fgLatn[]="latn"; -static const char fgPatterns[]="patterns"; -static const char fgDecimalFormat[]="decimalFormat"; -static const char fgCurrencyFormat[]="currencyFormat"; - -inline int32_t _min(int32_t a, int32_t b) { return (a<b) ? a : b; } -inline int32_t _max(int32_t a, int32_t b) { return (a<b) ? b : a; } - -//------------------------------------------------------------------------------ -// Constructs a DecimalFormat instance in the default locale. - -DecimalFormat::DecimalFormat(UErrorCode& status) { - init(); - UParseError parseError; - construct(status, parseError); -} - -//------------------------------------------------------------------------------ -// Constructs a DecimalFormat instance with the specified number format -// pattern in the default locale. - -DecimalFormat::DecimalFormat(const UnicodeString& pattern, - UErrorCode& status) { - init(); - UParseError parseError; - construct(status, parseError, &pattern); -} - -//------------------------------------------------------------------------------ -// Constructs a DecimalFormat instance with the specified number format -// pattern and the number format symbols in the default locale. The -// created instance owns the symbols. - -DecimalFormat::DecimalFormat(const UnicodeString& pattern, - DecimalFormatSymbols* symbolsToAdopt, - UErrorCode& status) { - init(); - UParseError parseError; - if (symbolsToAdopt == NULL) - status = U_ILLEGAL_ARGUMENT_ERROR; - construct(status, parseError, &pattern, symbolsToAdopt); -} - -DecimalFormat::DecimalFormat( const UnicodeString& pattern, - DecimalFormatSymbols* symbolsToAdopt, - UParseError& parseErr, - UErrorCode& status) { - init(); - if (symbolsToAdopt == NULL) - status = U_ILLEGAL_ARGUMENT_ERROR; - construct(status,parseErr, &pattern, symbolsToAdopt); -} - -//------------------------------------------------------------------------------ -// Constructs a DecimalFormat instance with the specified number format -// pattern and the number format symbols in the default locale. The -// created instance owns the clone of the symbols. - -DecimalFormat::DecimalFormat(const UnicodeString& pattern, - const DecimalFormatSymbols& symbols, - UErrorCode& status) { - init(); - UParseError parseError; - construct(status, parseError, &pattern, new DecimalFormatSymbols(symbols)); -} - -//------------------------------------------------------------------------------ -// Constructs a DecimalFormat instance with the specified number format -// pattern, the number format symbols, and the number format style. -// The created instance owns the clone of the symbols. - -DecimalFormat::DecimalFormat(const UnicodeString& pattern, - DecimalFormatSymbols* symbolsToAdopt, - UNumberFormatStyle style, - UErrorCode& status) { - init(); - fStyle = style; - UParseError parseError; - construct(status, parseError, &pattern, symbolsToAdopt); -} - -//----------------------------------------------------------------------------- -// Common DecimalFormat initialization. -// Put all fields of an uninitialized object into a known state. -// Common code, shared by all constructors. -// Can not fail. Leave the object in good enough shape that the destructor -// or assignment operator can run successfully. -void -DecimalFormat::init() { - fBoolFlags.clear(); - fStyle = UNUM_DECIMAL; - fAffixPatternsForCurrency = NULL; - fCurrencyPluralInfo = NULL; -#if UCONFIG_HAVE_PARSEALLINPUT - fParseAllInput = UNUM_MAYBE; -#endif - - fStaticSets = NULL; - fImpl = NULL; -} - -//------------------------------------------------------------------------------ -// Constructs a DecimalFormat instance with the specified number format -// pattern and the number format symbols in the desired locale. The -// created instance owns the symbols. - -void -DecimalFormat::construct(UErrorCode& status, - UParseError& parseErr, - const UnicodeString* pattern, - DecimalFormatSymbols* symbolsToAdopt) -{ - LocalPointer<DecimalFormatSymbols> adoptedSymbols(symbolsToAdopt); - if (U_FAILURE(status)) - return; - - if (adoptedSymbols.isNull()) - { - adoptedSymbols.adoptInstead( - new DecimalFormatSymbols(Locale::getDefault(), status)); - if (adoptedSymbols.isNull() && U_SUCCESS(status)) { - status = U_MEMORY_ALLOCATION_ERROR; - } - if (U_FAILURE(status)) { - return; - } - } - fStaticSets = DecimalFormatStaticSets::getStaticSets(status); - if (U_FAILURE(status)) { - return; - } - - UnicodeString str; - // Uses the default locale's number format pattern if there isn't - // one specified. - if (pattern == NULL) - { - UErrorCode nsStatus = U_ZERO_ERROR; - LocalPointer<NumberingSystem> ns( - NumberingSystem::createInstance(nsStatus)); - if (U_FAILURE(nsStatus)) { - status = nsStatus; - return; - } - - int32_t len = 0; - UResourceBundle *top = ures_open(NULL, Locale::getDefault().getName(), &status); - - UResourceBundle *resource = ures_getByKeyWithFallback(top, fgNumberElements, NULL, &status); - resource = ures_getByKeyWithFallback(resource, ns->getName(), resource, &status); - resource = ures_getByKeyWithFallback(resource, fgPatterns, resource, &status); - const UChar *resStr = ures_getStringByKeyWithFallback(resource, fgDecimalFormat, &len, &status); - if ( status == U_MISSING_RESOURCE_ERROR && uprv_strcmp(fgLatn,ns->getName())) { - status = U_ZERO_ERROR; - resource = ures_getByKeyWithFallback(top, fgNumberElements, resource, &status); - resource = ures_getByKeyWithFallback(resource, fgLatn, resource, &status); - resource = ures_getByKeyWithFallback(resource, fgPatterns, resource, &status); - resStr = ures_getStringByKeyWithFallback(resource, fgDecimalFormat, &len, &status); - } - str.setTo(TRUE, resStr, len); - pattern = &str; - ures_close(resource); - ures_close(top); - } - - fImpl = new DecimalFormatImpl(this, *pattern, adoptedSymbols.getAlias(), parseErr, status); - if (fImpl) { - adoptedSymbols.orphan(); - } else if (U_SUCCESS(status)) { - status = U_MEMORY_ALLOCATION_ERROR; - } - if (U_FAILURE(status)) { - return; - } - - if (U_FAILURE(status)) - { - return; - } - - const UnicodeString* patternUsed; - UnicodeString currencyPluralPatternForOther; - // apply pattern - if (fStyle == UNUM_CURRENCY_PLURAL) { - fCurrencyPluralInfo = new CurrencyPluralInfo(fImpl->fSymbols->getLocale(), status); - if (U_FAILURE(status)) { - return; - } - - // the pattern used in format is not fixed until formatting, - // in which, the number is known and - // will be used to pick the right pattern based on plural count. - // Here, set the pattern as the pattern of plural count == "other". - // For most locale, the patterns are probably the same for all - // plural count. If not, the right pattern need to be re-applied - // during format. - fCurrencyPluralInfo->getCurrencyPluralPattern(UNICODE_STRING("other", 5), currencyPluralPatternForOther); - // TODO(refactor): Revisit, we are setting the pattern twice. - fImpl->applyPatternFavorCurrencyPrecision( - currencyPluralPatternForOther, status); - patternUsed = ¤cyPluralPatternForOther; +DecimalFormat::DecimalFormat(UErrorCode& status) + : DecimalFormat(nullptr, status) { + // Use the default locale and decimal pattern. + const char* localeName = Locale::getDefault().getName(); + LocalPointer<NumberingSystem> ns(NumberingSystem::createInstance(status)); + UnicodeString patternString = utils::getPatternForStyle( + localeName, + ns->getName(), + CLDR_PATTERN_STYLE_DECIMAL, + status); + setPropertiesFromPattern(patternString, IGNORE_ROUNDING_IF_CURRENCY, status); + touch(status); +} + +DecimalFormat::DecimalFormat(const UnicodeString& pattern, UErrorCode& status) + : DecimalFormat(nullptr, status) { + setPropertiesFromPattern(pattern, IGNORE_ROUNDING_IF_CURRENCY, status); + touch(status); +} + +DecimalFormat::DecimalFormat(const UnicodeString& pattern, DecimalFormatSymbols* symbolsToAdopt, + UErrorCode& status) + : DecimalFormat(symbolsToAdopt, status) { + setPropertiesFromPattern(pattern, IGNORE_ROUNDING_IF_CURRENCY, status); + touch(status); +} + +DecimalFormat::DecimalFormat(const UnicodeString& pattern, DecimalFormatSymbols* symbolsToAdopt, + UNumberFormatStyle style, UErrorCode& status) + : DecimalFormat(symbolsToAdopt, status) { + // If choice is a currency type, ignore the rounding information. + if (style == UNumberFormatStyle::UNUM_CURRENCY || style == UNumberFormatStyle::UNUM_CURRENCY_ISO || + style == UNumberFormatStyle::UNUM_CURRENCY_ACCOUNTING || + style == UNumberFormatStyle::UNUM_CASH_CURRENCY || + style == UNumberFormatStyle::UNUM_CURRENCY_STANDARD || + style == UNumberFormatStyle::UNUM_CURRENCY_PLURAL) { + setPropertiesFromPattern(pattern, IGNORE_ROUNDING_ALWAYS, status); } else { - patternUsed = pattern; + setPropertiesFromPattern(pattern, IGNORE_ROUNDING_IF_CURRENCY, status); } - - if (patternUsed->indexOf(kCurrencySign) != -1) { - // initialize for currency, not only for plural format, - // but also for mix parsing - handleCurrencySignInPattern(status); + // Note: in Java, CurrencyPluralInfo is set in NumberFormat.java, but in C++, it is not set there, + // so we have to set it here. + if (style == UNumberFormatStyle::UNUM_CURRENCY_PLURAL) { + LocalPointer<CurrencyPluralInfo> cpi( + new CurrencyPluralInfo(fields->symbols->getLocale(), status), + status); + if (U_FAILURE(status)) { return; } + fields->properties->currencyPluralInfo.fPtr.adoptInstead(cpi.orphan()); } + touch(status); } -void -DecimalFormat::handleCurrencySignInPattern(UErrorCode& status) { - // initialize for currency, not only for plural format, - // but also for mix parsing +DecimalFormat::DecimalFormat(const DecimalFormatSymbols* symbolsToAdopt, UErrorCode& status) { + LocalPointer<const DecimalFormatSymbols> adoptedSymbols(symbolsToAdopt); + fields = new DecimalFormatFields(); if (U_FAILURE(status)) { return; } - if (fCurrencyPluralInfo == NULL) { - fCurrencyPluralInfo = new CurrencyPluralInfo(fImpl->fSymbols->getLocale(), status); - if (U_FAILURE(status)) { - return; - } - } - // need it for mix parsing - if (fAffixPatternsForCurrency == NULL) { - setupCurrencyAffixPatterns(status); - } -} - -static void -applyPatternWithNoSideEffects( - const UnicodeString& pattern, - UParseError& parseError, - UnicodeString &negPrefix, - UnicodeString &negSuffix, - UnicodeString &posPrefix, - UnicodeString &posSuffix, - UErrorCode& status) { - if (U_FAILURE(status)) - { + if (fields == nullptr) { + status = U_MEMORY_ALLOCATION_ERROR; return; } - DecimalFormatPatternParser patternParser; - DecimalFormatPattern out; - patternParser.applyPatternWithoutExpandAffix( - pattern, - out, - parseError, - status); - if (U_FAILURE(status)) { - return; + fields->properties.adoptInsteadAndCheckErrorCode(new DecimalFormatProperties(), status); + fields->exportedProperties.adoptInsteadAndCheckErrorCode(new DecimalFormatProperties(), status); + if (adoptedSymbols.isNull()) { + fields->symbols.adoptInsteadAndCheckErrorCode(new DecimalFormatSymbols(status), status); + } else { + fields->symbols.adoptInsteadAndCheckErrorCode(adoptedSymbols.orphan(), status); } - negPrefix = out.fNegPrefixPattern; - negSuffix = out.fNegSuffixPattern; - posPrefix = out.fPosPrefixPattern; - posSuffix = out.fPosSuffixPattern; } -void -DecimalFormat::setupCurrencyAffixPatterns(UErrorCode& status) { - if (U_FAILURE(status)) { - return; - } - UParseError parseErr; - fAffixPatternsForCurrency = initHashForAffixPattern(status); - if (U_FAILURE(status)) { - return; - } - - NumberingSystem *ns = NumberingSystem::createInstance(fImpl->fSymbols->getLocale(),status); - if (U_FAILURE(status)) { - return; - } +#if UCONFIG_HAVE_PARSEALLINPUT - // Save the default currency patterns of this locale. - // Here, chose onlyApplyPatternWithoutExpandAffix without - // expanding the affix patterns into affixes. - UnicodeString currencyPattern; - UErrorCode error = U_ZERO_ERROR; - - UResourceBundle *resource = ures_open(NULL, fImpl->fSymbols->getLocale().getName(), &error); - UResourceBundle *numElements = ures_getByKeyWithFallback(resource, fgNumberElements, NULL, &error); - resource = ures_getByKeyWithFallback(numElements, ns->getName(), resource, &error); - resource = ures_getByKeyWithFallback(resource, fgPatterns, resource, &error); - int32_t patLen = 0; - const UChar *patResStr = ures_getStringByKeyWithFallback(resource, fgCurrencyFormat, &patLen, &error); - if ( error == U_MISSING_RESOURCE_ERROR && uprv_strcmp(ns->getName(),fgLatn)) { - error = U_ZERO_ERROR; - resource = ures_getByKeyWithFallback(numElements, fgLatn, resource, &error); - resource = ures_getByKeyWithFallback(resource, fgPatterns, resource, &error); - patResStr = ures_getStringByKeyWithFallback(resource, fgCurrencyFormat, &patLen, &error); - } - ures_close(numElements); - ures_close(resource); - delete ns; - - if (U_SUCCESS(error)) { - UnicodeString negPrefix; - UnicodeString negSuffix; - UnicodeString posPrefix; - UnicodeString posSuffix; - applyPatternWithNoSideEffects(UnicodeString(patResStr, patLen), - parseErr, - negPrefix, negSuffix, posPrefix, posSuffix, status); - AffixPatternsForCurrency* affixPtn = new AffixPatternsForCurrency( - negPrefix, - negSuffix, - posPrefix, - posSuffix, - UCURR_SYMBOL_NAME); - fAffixPatternsForCurrency->put(UNICODE_STRING("default", 7), affixPtn, status); - } - - // save the unique currency plural patterns of this locale. - Hashtable* pluralPtn = fCurrencyPluralInfo->fPluralCountToCurrencyUnitPattern; - const UHashElement* element = NULL; - int32_t pos = UHASH_FIRST; - Hashtable pluralPatternSet; - while ((element = pluralPtn->nextElement(pos)) != NULL) { - const UHashTok valueTok = element->value; - const UnicodeString* value = (UnicodeString*)valueTok.pointer; - const UHashTok keyTok = element->key; - const UnicodeString* key = (UnicodeString*)keyTok.pointer; - if (pluralPatternSet.geti(*value) != 1) { - UnicodeString negPrefix; - UnicodeString negSuffix; - UnicodeString posPrefix; - UnicodeString posSuffix; - pluralPatternSet.puti(*value, 1, status); - applyPatternWithNoSideEffects( - *value, parseErr, - negPrefix, negSuffix, posPrefix, posSuffix, status); - AffixPatternsForCurrency* affixPtn = new AffixPatternsForCurrency( - negPrefix, - negSuffix, - posPrefix, - posSuffix, - UCURR_LONG_NAME); - fAffixPatternsForCurrency->put(*key, affixPtn, status); - } - } +void DecimalFormat::setParseAllInput(UNumberFormatAttributeValue value) { + if (value == fields->properties->parseAllInput) { return; } + fields->properties->parseAllInput = value; } +#endif -//------------------------------------------------------------------------------ +DecimalFormat& +DecimalFormat::setAttribute(UNumberFormatAttribute attr, int32_t newValue, UErrorCode& status) { + if (U_FAILURE(status)) { return *this; } -DecimalFormat::~DecimalFormat() -{ - deleteHashForAffixPattern(); - delete fCurrencyPluralInfo; - delete fImpl; -} + switch (attr) { + case UNUM_LENIENT_PARSE: + setLenient(newValue != 0); + break; -//------------------------------------------------------------------------------ -// copy constructor + case UNUM_PARSE_INT_ONLY: + setParseIntegerOnly(newValue != 0); + break; -DecimalFormat::DecimalFormat(const DecimalFormat &source) : - NumberFormat(source) { - init(); - *this = source; -} + case UNUM_GROUPING_USED: + setGroupingUsed(newValue != 0); + break; -//------------------------------------------------------------------------------ -// assignment operator + case UNUM_DECIMAL_ALWAYS_SHOWN: + setDecimalSeparatorAlwaysShown(newValue != 0); + break; -template <class T> -static void _clone_ptr(T** pdest, const T* source) { - delete *pdest; - if (source == NULL) { - *pdest = NULL; - } else { - *pdest = static_cast<T*>(source->clone()); - } -} + case UNUM_MAX_INTEGER_DIGITS: + setMaximumIntegerDigits(newValue); + break; -DecimalFormat& -DecimalFormat::operator=(const DecimalFormat& rhs) -{ - if(this != &rhs) { - UErrorCode status = U_ZERO_ERROR; - NumberFormat::operator=(rhs); - if (fImpl == NULL) { - fImpl = new DecimalFormatImpl(this, *rhs.fImpl, status); - } else { - fImpl->assign(*rhs.fImpl, status); - } - fStaticSets = DecimalFormatStaticSets::getStaticSets(status); - fStyle = rhs.fStyle; - _clone_ptr(&fCurrencyPluralInfo, rhs.fCurrencyPluralInfo); - deleteHashForAffixPattern(); - if (rhs.fAffixPatternsForCurrency) { - UErrorCode status = U_ZERO_ERROR; - fAffixPatternsForCurrency = initHashForAffixPattern(status); - copyHashForAffixPattern(rhs.fAffixPatternsForCurrency, - fAffixPatternsForCurrency, status); - } - } + case UNUM_MIN_INTEGER_DIGITS: + setMinimumIntegerDigits(newValue); + break; - return *this; -} + case UNUM_INTEGER_DIGITS: + setMinimumIntegerDigits(newValue); + setMaximumIntegerDigits(newValue); + break; -//------------------------------------------------------------------------------ + case UNUM_MAX_FRACTION_DIGITS: + setMaximumFractionDigits(newValue); + break; -UBool -DecimalFormat::operator==(const Format& that) const -{ - if (this == &that) - return TRUE; + case UNUM_MIN_FRACTION_DIGITS: + setMinimumFractionDigits(newValue); + break; - // NumberFormat::operator== guarantees this cast is safe - const DecimalFormat* other = (DecimalFormat*)&that; + case UNUM_FRACTION_DIGITS: + setMinimumFractionDigits(newValue); + setMaximumFractionDigits(newValue); + break; - return ( - NumberFormat::operator==(that) && - fBoolFlags.getAll() == other->fBoolFlags.getAll() && - *fImpl == *other->fImpl); + case UNUM_SIGNIFICANT_DIGITS_USED: + setSignificantDigitsUsed(newValue != 0); + break; -} + case UNUM_MAX_SIGNIFICANT_DIGITS: + setMaximumSignificantDigits(newValue); + break; -//------------------------------------------------------------------------------ + case UNUM_MIN_SIGNIFICANT_DIGITS: + setMinimumSignificantDigits(newValue); + break; -Format* -DecimalFormat::clone() const -{ - return new DecimalFormat(*this); -} + case UNUM_MULTIPLIER: + setMultiplier(newValue); + break; + case UNUM_SCALE: + setMultiplierScale(newValue); + break; -FixedDecimal -DecimalFormat::getFixedDecimal(double number, UErrorCode &status) const { - VisibleDigitsWithExponent digits; - initVisibleDigitsWithExponent(number, digits, status); - if (U_FAILURE(status)) { - return FixedDecimal(); - } - return FixedDecimal(digits.getMantissa()); -} + case UNUM_GROUPING_SIZE: + setGroupingSize(newValue); + break; -VisibleDigitsWithExponent & -DecimalFormat::initVisibleDigitsWithExponent( - double number, - VisibleDigitsWithExponent &digits, - UErrorCode &status) const { - return fImpl->initVisibleDigitsWithExponent(number, digits, status); -} + case UNUM_ROUNDING_MODE: + setRoundingMode((DecimalFormat::ERoundingMode) newValue); + break; -FixedDecimal -DecimalFormat::getFixedDecimal(const Formattable &number, UErrorCode &status) const { - VisibleDigitsWithExponent digits; - initVisibleDigitsWithExponent(number, digits, status); - if (U_FAILURE(status)) { - return FixedDecimal(); - } - return FixedDecimal(digits.getMantissa()); -} + case UNUM_FORMAT_WIDTH: + setFormatWidth(newValue); + break; -VisibleDigitsWithExponent & -DecimalFormat::initVisibleDigitsWithExponent( - const Formattable &number, - VisibleDigitsWithExponent &digits, - UErrorCode &status) const { - if (U_FAILURE(status)) { - return digits; - } - if (!number.isNumeric()) { - status = U_ILLEGAL_ARGUMENT_ERROR; - return digits; - } + case UNUM_PADDING_POSITION: + /** The position at which padding will take place. */ + setPadPosition((DecimalFormat::EPadPosition) newValue); + break; - DigitList *dl = number.getDigitList(); - if (dl != NULL) { - DigitList dlCopy(*dl); - return fImpl->initVisibleDigitsWithExponent( - dlCopy, digits, status); - } + case UNUM_SECONDARY_GROUPING_SIZE: + setSecondaryGroupingSize(newValue); + break; - Formattable::Type type = number.getType(); - if (type == Formattable::kDouble || type == Formattable::kLong) { - return fImpl->initVisibleDigitsWithExponent( - number.getDouble(status), digits, status); - } - return fImpl->initVisibleDigitsWithExponent( - number.getInt64(), digits, status); -} +#if UCONFIG_HAVE_PARSEALLINPUT + case UNUM_PARSE_ALL_INPUT: + setParseAllInput((UNumberFormatAttributeValue) newValue); + break; +#endif + case UNUM_PARSE_NO_EXPONENT: + setParseNoExponent((UBool) newValue); + break; -// Create a fixed decimal from a DigitList. -// The digit list may be modified. -// Internal function only. -FixedDecimal -DecimalFormat::getFixedDecimal(DigitList &number, UErrorCode &status) const { - VisibleDigitsWithExponent digits; - initVisibleDigitsWithExponent(number, digits, status); - if (U_FAILURE(status)) { - return FixedDecimal(); - } - return FixedDecimal(digits.getMantissa()); -} + case UNUM_PARSE_DECIMAL_MARK_REQUIRED: + setDecimalPatternMatchRequired((UBool) newValue); + break; -VisibleDigitsWithExponent & -DecimalFormat::initVisibleDigitsWithExponent( - DigitList &number, - VisibleDigitsWithExponent &digits, - UErrorCode &status) const { - return fImpl->initVisibleDigitsWithExponent( - number, digits, status); -} + case UNUM_CURRENCY_USAGE: + setCurrencyUsage((UCurrencyUsage) newValue, &status); + break; + case UNUM_MINIMUM_GROUPING_DIGITS: + setMinimumGroupingDigits(newValue); + break; -//------------------------------------------------------------------------------ + case UNUM_PARSE_CASE_SENSITIVE: + setParseCaseSensitive(static_cast<UBool>(newValue)); + break; -UnicodeString& -DecimalFormat::format(int32_t number, - UnicodeString& appendTo, - FieldPosition& fieldPosition) const -{ - UErrorCode status = U_ZERO_ERROR; - return fImpl->format(number, appendTo, fieldPosition, status); -} + case UNUM_SIGN_ALWAYS_SHOWN: + setSignAlwaysShown(static_cast<UBool>(newValue)); + break; -UnicodeString& -DecimalFormat::format(int32_t number, - UnicodeString& appendTo, - FieldPosition& fieldPosition, - UErrorCode& status) const -{ - return fImpl->format(number, appendTo, fieldPosition, status); -} + case UNUM_FORMAT_FAIL_IF_MORE_THAN_MAX_DIGITS: + setFormatFailIfMoreThanMaxDigits(static_cast<UBool>(newValue)); + break; -UnicodeString& -DecimalFormat::format(int32_t number, - UnicodeString& appendTo, - FieldPositionIterator* posIter, - UErrorCode& status) const -{ - return fImpl->format(number, appendTo, posIter, status); + default: + status = U_UNSUPPORTED_ERROR; + break; + } + return *this; } +int32_t DecimalFormat::getAttribute(UNumberFormatAttribute attr, UErrorCode& status) const { + if (U_FAILURE(status)) { return -1; } + switch (attr) { + case UNUM_LENIENT_PARSE: + return isLenient(); -//------------------------------------------------------------------------------ + case UNUM_PARSE_INT_ONLY: + return isParseIntegerOnly(); -UnicodeString& -DecimalFormat::format(int64_t number, - UnicodeString& appendTo, - FieldPosition& fieldPosition) const -{ - UErrorCode status = U_ZERO_ERROR; /* ignored */ - return fImpl->format(number, appendTo, fieldPosition, status); -} + case UNUM_GROUPING_USED: + return isGroupingUsed(); -UnicodeString& -DecimalFormat::format(int64_t number, - UnicodeString& appendTo, - FieldPosition& fieldPosition, - UErrorCode& status) const -{ - return fImpl->format(number, appendTo, fieldPosition, status); -} + case UNUM_DECIMAL_ALWAYS_SHOWN: + return isDecimalSeparatorAlwaysShown(); -UnicodeString& -DecimalFormat::format(int64_t number, - UnicodeString& appendTo, - FieldPositionIterator* posIter, - UErrorCode& status) const -{ - return fImpl->format(number, appendTo, posIter, status); -} + case UNUM_MAX_INTEGER_DIGITS: + return getMaximumIntegerDigits(); -//------------------------------------------------------------------------------ + case UNUM_MIN_INTEGER_DIGITS: + return getMinimumIntegerDigits(); -UnicodeString& -DecimalFormat::format( double number, - UnicodeString& appendTo, - FieldPosition& fieldPosition) const -{ - UErrorCode status = U_ZERO_ERROR; /* ignored */ - return fImpl->format(number, appendTo, fieldPosition, status); -} + case UNUM_INTEGER_DIGITS: + // TBD: what should this return? + return getMinimumIntegerDigits(); -UnicodeString& -DecimalFormat::format( double number, - UnicodeString& appendTo, - FieldPosition& fieldPosition, - UErrorCode& status) const -{ - return fImpl->format(number, appendTo, fieldPosition, status); -} + case UNUM_MAX_FRACTION_DIGITS: + return getMaximumFractionDigits(); -UnicodeString& -DecimalFormat::format( double number, - UnicodeString& appendTo, - FieldPositionIterator* posIter, - UErrorCode& status) const -{ - return fImpl->format(number, appendTo, posIter, status); -} + case UNUM_MIN_FRACTION_DIGITS: + return getMinimumFractionDigits(); -//------------------------------------------------------------------------------ + case UNUM_FRACTION_DIGITS: + // TBD: what should this return? + return getMinimumFractionDigits(); + case UNUM_SIGNIFICANT_DIGITS_USED: + return areSignificantDigitsUsed(); -UnicodeString& -DecimalFormat::format(StringPiece number, - UnicodeString &toAppendTo, - FieldPositionIterator *posIter, - UErrorCode &status) const -{ - return fImpl->format(number, toAppendTo, posIter, status); -} + case UNUM_MAX_SIGNIFICANT_DIGITS: + return getMaximumSignificantDigits(); + case UNUM_MIN_SIGNIFICANT_DIGITS: + return getMinimumSignificantDigits(); -UnicodeString& -DecimalFormat::format(const DigitList &number, - UnicodeString &appendTo, - FieldPositionIterator *posIter, - UErrorCode &status) const { - return fImpl->format(number, appendTo, posIter, status); -} + case UNUM_MULTIPLIER: + return getMultiplier(); + case UNUM_SCALE: + return getMultiplierScale(); -UnicodeString& -DecimalFormat::format(const DigitList &number, - UnicodeString& appendTo, - FieldPosition& pos, - UErrorCode &status) const { - return fImpl->format(number, appendTo, pos, status); -} + case UNUM_GROUPING_SIZE: + return getGroupingSize(); -UnicodeString& -DecimalFormat::format(const VisibleDigitsWithExponent &number, - UnicodeString &appendTo, - FieldPositionIterator *posIter, - UErrorCode &status) const { - return fImpl->format(number, appendTo, posIter, status); -} + case UNUM_ROUNDING_MODE: + return getRoundingMode(); + case UNUM_FORMAT_WIDTH: + return getFormatWidth(); -UnicodeString& -DecimalFormat::format(const VisibleDigitsWithExponent &number, - UnicodeString& appendTo, - FieldPosition& pos, - UErrorCode &status) const { - return fImpl->format(number, appendTo, pos, status); -} + case UNUM_PADDING_POSITION: + return getPadPosition(); -DigitList& -DecimalFormat::_round(const DigitList& number, DigitList& adjustedNum, UBool& isNegative, UErrorCode& status) const { - adjustedNum = number; - fImpl->round(adjustedNum, status); - isNegative = !adjustedNum.isPositive(); - return adjustedNum; -} + case UNUM_SECONDARY_GROUPING_SIZE: + return getSecondaryGroupingSize(); -void -DecimalFormat::parse(const UnicodeString& text, - Formattable& result, - ParsePosition& parsePosition) const { - parse(text, result, parsePosition, NULL); -} - -CurrencyAmount* DecimalFormat::parseCurrency(const UnicodeString& text, - ParsePosition& pos) const { - Formattable parseResult; - int32_t start = pos.getIndex(); - UChar curbuf[4] = {}; - parse(text, parseResult, pos, curbuf); - if (pos.getIndex() != start) { - UErrorCode ec = U_ZERO_ERROR; - LocalPointer<CurrencyAmount> currAmt(new CurrencyAmount(parseResult, curbuf, ec), ec); - if (U_FAILURE(ec)) { - pos.setIndex(start); // indicate failure - } else { - return currAmt.orphan(); - } - } - return NULL; -} - -/** - * Parses the given text as a number, optionally providing a currency amount. - * @param text the string to parse - * @param result output parameter for the numeric result. - * @param parsePosition input-output position; on input, the - * position within text to match; must have 0 <= pos.getIndex() < - * text.length(); on output, the position after the last matched - * character. If the parse fails, the position in unchanged upon - * output. - * @param currency if non-NULL, it should point to a 4-UChar buffer. - * In this case the text is parsed as a currency format, and the - * ISO 4217 code for the parsed currency is put into the buffer. - * Otherwise the text is parsed as a non-currency format. - */ -void DecimalFormat::parse(const UnicodeString& text, - Formattable& result, - ParsePosition& parsePosition, - UChar* currency) const { - int32_t startIdx, backup; - int32_t i = startIdx = backup = parsePosition.getIndex(); - - // clear any old contents in the result. In particular, clears any DigitList - // that it may be holding. - result.setLong(0); - if (currency != NULL) { - for (int32_t ci=0; ci<4; ci++) { - currency[ci] = 0; - } - } + case UNUM_PARSE_NO_EXPONENT: + return isParseNoExponent(); - // Handle NaN as a special case: - int32_t formatWidth = fImpl->getOldFormatWidth(); + case UNUM_PARSE_DECIMAL_MARK_REQUIRED: + return isDecimalPatternMatchRequired(); - // Skip padding characters, if around prefix - if (formatWidth > 0 && ( - fImpl->fAffixes.fPadPosition == DigitAffixesAndPadding::kPadBeforePrefix || - fImpl->fAffixes.fPadPosition == DigitAffixesAndPadding::kPadAfterPrefix)) { - i = skipPadding(text, i); - } + case UNUM_CURRENCY_USAGE: + return getCurrencyUsage(); - if (isLenient()) { - // skip any leading whitespace - i = backup = skipUWhiteSpace(text, i); - } + case UNUM_MINIMUM_GROUPING_DIGITS: + return getMinimumGroupingDigits(); - // If the text is composed of the representation of NaN, returns NaN.length - const UnicodeString *nan = &fImpl->getConstSymbol(DecimalFormatSymbols::kNaNSymbol); - int32_t nanLen = (text.compare(i, nan->length(), *nan) - ? 0 : nan->length()); - if (nanLen) { - i += nanLen; - if (formatWidth > 0 && (fImpl->fAffixes.fPadPosition == DigitAffixesAndPadding::kPadBeforeSuffix || fImpl->fAffixes.fPadPosition == DigitAffixesAndPadding::kPadAfterSuffix)) { - i = skipPadding(text, i); - } - parsePosition.setIndex(i); - result.setDouble(uprv_getNaN()); - return; - } + case UNUM_PARSE_CASE_SENSITIVE: + return isParseCaseSensitive(); - // NaN parse failed; start over - i = backup; - parsePosition.setIndex(i); + case UNUM_SIGN_ALWAYS_SHOWN: + return isSignAlwaysShown(); - // status is used to record whether a number is infinite. - UBool status[fgStatusLength]; + case UNUM_FORMAT_FAIL_IF_MORE_THAN_MAX_DIGITS: + return isFormatFailIfMoreThanMaxDigits(); - DigitList *digits = result.getInternalDigitList(); // get one from the stack buffer - if (digits == NULL) { - return; // no way to report error from here. + default: + status = U_UNSUPPORTED_ERROR; + break; } - if (fImpl->fMonetary) { - if (!parseForCurrency(text, parsePosition, *digits, - status, currency)) { - return; - } - } else { - if (!subparse(text, - &fImpl->fAffixes.fNegativePrefix.getOtherVariant().toString(), - &fImpl->fAffixes.fNegativeSuffix.getOtherVariant().toString(), - &fImpl->fAffixes.fPositivePrefix.getOtherVariant().toString(), - &fImpl->fAffixes.fPositiveSuffix.getOtherVariant().toString(), - FALSE, UCURR_SYMBOL_NAME, - parsePosition, *digits, status, currency)) { - debug("!subparse(...) - rewind"); - parsePosition.setIndex(startIdx); - return; - } - } + return -1; /* undefined */ +} - // Handle infinity - if (status[fgStatusInfinite]) { - double inf = uprv_getInfinity(); - result.setDouble(digits->isPositive() ? inf : -inf); - // TODO: set the dl to infinity, and let it fall into the code below. - } +void DecimalFormat::setGroupingUsed(UBool enabled) { + if (UBOOL_TO_BOOL(enabled) == fields->properties->groupingUsed) { return; } + NumberFormat::setGroupingUsed(enabled); // to set field for compatibility + fields->properties->groupingUsed = enabled; + touchNoError(); +} - else { +void DecimalFormat::setParseIntegerOnly(UBool value) { + if (UBOOL_TO_BOOL(value) == fields->properties->parseIntegerOnly) { return; } + NumberFormat::setParseIntegerOnly(value); // to set field for compatibility + fields->properties->parseIntegerOnly = value; + touchNoError(); +} - if (!fImpl->fMultiplier.isZero()) { - UErrorCode ec = U_ZERO_ERROR; - digits->div(fImpl->fMultiplier, ec); - } +void DecimalFormat::setLenient(UBool enable) { + ParseMode mode = enable ? PARSE_MODE_LENIENT : PARSE_MODE_STRICT; + if (!fields->properties->parseMode.isNull() && mode == fields->properties->parseMode.getNoError()) { return; } + NumberFormat::setLenient(enable); // to set field for compatibility + fields->properties->parseMode = mode; + touchNoError(); +} - if (fImpl->fScale != 0) { - DigitList ten; - ten.set((int32_t)10); - if (fImpl->fScale > 0) { - for (int32_t i = fImpl->fScale; i > 0; i--) { - UErrorCode ec = U_ZERO_ERROR; - digits->div(ten,ec); - } - } else { - for (int32_t i = fImpl->fScale; i < 0; i++) { - UErrorCode ec = U_ZERO_ERROR; - digits->mult(ten,ec); - } - } - } +DecimalFormat::DecimalFormat(const UnicodeString& pattern, DecimalFormatSymbols* symbolsToAdopt, + UParseError&, UErrorCode& status) + : DecimalFormat(symbolsToAdopt, status) { + // TODO: What is parseError for? + setPropertiesFromPattern(pattern, IGNORE_ROUNDING_IF_CURRENCY, status); + touch(status); +} - // Negative zero special case: - // if parsing integerOnly, change to +0, which goes into an int32 in a Formattable. - // if not parsing integerOnly, leave as -0, which a double can represent. - if (digits->isZero() && !digits->isPositive() && isParseIntegerOnly()) { - digits->setPositive(TRUE); - } - result.adoptDigitList(digits); - } -} - - - -UBool -DecimalFormat::parseForCurrency(const UnicodeString& text, - ParsePosition& parsePosition, - DigitList& digits, - UBool* status, - UChar* currency) const { - UnicodeString positivePrefix; - UnicodeString positiveSuffix; - UnicodeString negativePrefix; - UnicodeString negativeSuffix; - fImpl->fPositivePrefixPattern.toString(positivePrefix); - fImpl->fPositiveSuffixPattern.toString(positiveSuffix); - fImpl->fNegativePrefixPattern.toString(negativePrefix); - fImpl->fNegativeSuffixPattern.toString(negativeSuffix); - - int origPos = parsePosition.getIndex(); - int maxPosIndex = origPos; - int maxErrorPos = -1; - // First, parse against current pattern. - // Since current pattern could be set by applyPattern(), - // it could be an arbitrary pattern, and it may not be the one - // defined in current locale. - UBool tmpStatus[fgStatusLength]; - ParsePosition tmpPos(origPos); - DigitList tmpDigitList; - UBool found; - if (fStyle == UNUM_CURRENCY_PLURAL) { - found = subparse(text, - &negativePrefix, &negativeSuffix, - &positivePrefix, &positiveSuffix, - TRUE, UCURR_LONG_NAME, - tmpPos, tmpDigitList, tmpStatus, currency); - } else { - found = subparse(text, - &negativePrefix, &negativeSuffix, - &positivePrefix, &positiveSuffix, - TRUE, UCURR_SYMBOL_NAME, - tmpPos, tmpDigitList, tmpStatus, currency); - } - if (found) { - if (tmpPos.getIndex() > maxPosIndex) { - maxPosIndex = tmpPos.getIndex(); - for (int32_t i = 0; i < fgStatusLength; ++i) { - status[i] = tmpStatus[i]; - } - digits = tmpDigitList; - } - } else { - maxErrorPos = tmpPos.getErrorIndex(); - } - // Then, parse against affix patterns. - // Those are currency patterns and currency plural patterns. - int32_t pos = UHASH_FIRST; - const UHashElement* element = NULL; - while ( (element = fAffixPatternsForCurrency->nextElement(pos)) != NULL ) { - const UHashTok valueTok = element->value; - const AffixPatternsForCurrency* affixPtn = (AffixPatternsForCurrency*)valueTok.pointer; - UBool tmpStatus[fgStatusLength]; - ParsePosition tmpPos(origPos); - DigitList tmpDigitList; - -#ifdef FMT_DEBUG - debug("trying affix for currency.."); - affixPtn->dump(); -#endif +DecimalFormat::DecimalFormat(const UnicodeString& pattern, const DecimalFormatSymbols& symbols, + UErrorCode& status) + : DecimalFormat(new DecimalFormatSymbols(symbols), status) { + setPropertiesFromPattern(pattern, IGNORE_ROUNDING_IF_CURRENCY, status); + touch(status); +} - UBool result = subparse(text, - &affixPtn->negPrefixPatternForCurrency, - &affixPtn->negSuffixPatternForCurrency, - &affixPtn->posPrefixPatternForCurrency, - &affixPtn->posSuffixPatternForCurrency, - TRUE, affixPtn->patternType, - tmpPos, tmpDigitList, tmpStatus, currency); - if (result) { - found = true; - if (tmpPos.getIndex() > maxPosIndex) { - maxPosIndex = tmpPos.getIndex(); - for (int32_t i = 0; i < fgStatusLength; ++i) { - status[i] = tmpStatus[i]; - } - digits = tmpDigitList; - } - } else { - maxErrorPos = (tmpPos.getErrorIndex() > maxErrorPos) ? - tmpPos.getErrorIndex() : maxErrorPos; - } +DecimalFormat::DecimalFormat(const DecimalFormat& source) : NumberFormat(source) { + // Note: it is not safe to copy fields->formatter or fWarehouse directly because fields->formatter might have + // dangling pointers to fields inside fWarehouse. The safe thing is to re-construct fields->formatter from + // the property bag, despite being somewhat slower. + fields = new DecimalFormatFields(); + if (fields == nullptr) { + return; } - // Finally, parse against simple affix to find the match. - // For example, in TestMonster suite, - // if the to-be-parsed text is "-\u00A40,00". - // complexAffixCompare will not find match, - // since there is no ISO code matches "\u00A4", - // and the parse stops at "\u00A4". - // We will just use simple affix comparison (look for exact match) - // to pass it. - // - // TODO: We should parse against simple affix first when - // output currency is not requested. After the complex currency - // parsing implementation was introduced, the default currency - // instance parsing slowed down because of the new code flow. - // I filed #10312 - Yoshito - UBool tmpStatus_2[fgStatusLength]; - ParsePosition tmpPos_2(origPos); - DigitList tmpDigitList_2; - - // Disable complex currency parsing and try it again. - UBool result = subparse(text, - &fImpl->fAffixes.fNegativePrefix.getOtherVariant().toString(), - &fImpl->fAffixes.fNegativeSuffix.getOtherVariant().toString(), - &fImpl->fAffixes.fPositivePrefix.getOtherVariant().toString(), - &fImpl->fAffixes.fPositiveSuffix.getOtherVariant().toString(), - FALSE /* disable complex currency parsing */, UCURR_SYMBOL_NAME, - tmpPos_2, tmpDigitList_2, tmpStatus_2, - currency); - if (result) { - if (tmpPos_2.getIndex() > maxPosIndex) { - maxPosIndex = tmpPos_2.getIndex(); - for (int32_t i = 0; i < fgStatusLength; ++i) { - status[i] = tmpStatus_2[i]; - } - digits = tmpDigitList_2; - } - found = true; - } else { - maxErrorPos = (tmpPos_2.getErrorIndex() > maxErrorPos) ? - tmpPos_2.getErrorIndex() : maxErrorPos; + fields->properties.adoptInstead(new DecimalFormatProperties(*source.fields->properties)); + fields->symbols.adoptInstead(new DecimalFormatSymbols(*source.fields->symbols)); + fields->exportedProperties.adoptInstead(new DecimalFormatProperties()); + if (fields->properties == nullptr || fields->symbols == nullptr || fields->exportedProperties == nullptr) { + return; } + touchNoError(); +} - if (!found) { - //parsePosition.setIndex(origPos); - parsePosition.setErrorIndex(maxErrorPos); - } else { - parsePosition.setIndex(maxPosIndex); - parsePosition.setErrorIndex(-1); - } - return found; -} - - -/** - * Parse the given text into a number. The text is parsed beginning at - * parsePosition, until an unparseable character is seen. - * @param text the string to parse. - * @param negPrefix negative prefix. - * @param negSuffix negative suffix. - * @param posPrefix positive prefix. - * @param posSuffix positive suffix. - * @param complexCurrencyParsing whether it is complex currency parsing or not. - * @param type the currency type to parse against, LONG_NAME only or not. - * @param parsePosition The position at which to being parsing. Upon - * return, the first unparsed character. - * @param digits the DigitList to set to the parsed value. - * @param status output param containing boolean status flags indicating - * whether the value was infinite and whether it was positive. - * @param currency return value for parsed currency, for generic - * currency parsing mode, or NULL for normal parsing. In generic - * currency parsing mode, any currency is parsed, not just the - * currency that this formatter is set to. - */ -UBool DecimalFormat::subparse(const UnicodeString& text, - const UnicodeString* negPrefix, - const UnicodeString* negSuffix, - const UnicodeString* posPrefix, - const UnicodeString* posSuffix, - UBool complexCurrencyParsing, - int8_t type, - ParsePosition& parsePosition, - DigitList& digits, UBool* status, - UChar* currency) const -{ - // The parsing process builds up the number as char string, in the neutral format that - // will be acceptable to the decNumber library, then at the end passes that string - // off for conversion to a decNumber. - UErrorCode err = U_ZERO_ERROR; - CharString parsedNum; - digits.setToZero(); - - int32_t position = parsePosition.getIndex(); - int32_t oldStart = position; - int32_t textLength = text.length(); // One less pointer to follow - UBool strictParse = !isLenient(); - UChar32 zero = fImpl->getConstSymbol(DecimalFormatSymbols::kZeroDigitSymbol).char32At(0); - const UnicodeString *groupingString = &fImpl->getConstSymbol( - !fImpl->fMonetary ? - DecimalFormatSymbols::kGroupingSeparatorSymbol : DecimalFormatSymbols::kMonetaryGroupingSeparatorSymbol); - UChar32 groupingChar = groupingString->char32At(0); - int32_t groupingStringLength = groupingString->length(); - int32_t groupingCharLength = U16_LENGTH(groupingChar); - UBool groupingUsed = isGroupingUsed(); -#ifdef FMT_DEBUG - UChar dbgbuf[300]; - UnicodeString s(dbgbuf,0,300);; - s.append((UnicodeString)"PARSE \"").append(text.tempSubString(position)).append((UnicodeString)"\" " ); -#define DBGAPPD(x) if(x) { s.append(UnicodeString(#x "=")); if(x->isEmpty()) { s.append(UnicodeString("<empty>")); } else { s.append(*x); } s.append(UnicodeString(" ")); } else { s.append(UnicodeString(#x "=NULL ")); } - DBGAPPD(negPrefix); - DBGAPPD(negSuffix); - DBGAPPD(posPrefix); - DBGAPPD(posSuffix); - debugout(s); -#endif - - UBool fastParseOk = false; /* TRUE iff fast parse is OK */ - // UBool fastParseHadDecimal = FALSE; /* true if fast parse saw a decimal point. */ - if((fImpl->isParseFastpath()) && !fImpl->fMonetary && - text.length()>0 && - text.length()<32 && - (posPrefix==NULL||posPrefix->isEmpty()) && - (posSuffix==NULL||posSuffix->isEmpty()) && - // (negPrefix==NULL||negPrefix->isEmpty()) && - // (negSuffix==NULL||(negSuffix->isEmpty()) ) && - TRUE) { // optimized path - int j=position; - int l=text.length(); - int digitCount=0; - UChar32 ch = text.char32At(j); - const UnicodeString *decimalString = &fImpl->getConstSymbol(DecimalFormatSymbols::kDecimalSeparatorSymbol); - UChar32 decimalChar = 0; - UBool intOnly = FALSE; - UChar32 lookForGroup = (groupingUsed&&intOnly&&strictParse)?groupingChar:0; - - int32_t decimalCount = decimalString->countChar32(0,3); - if(isParseIntegerOnly()) { - decimalChar = 0; // not allowed - intOnly = TRUE; // Don't look for decimals. - } else if(decimalCount==1) { - decimalChar = decimalString->char32At(0); // Look for this decimal - } else if(decimalCount==0) { - decimalChar=0; // NO decimal set - } else { - j=l+1;//Set counter to end of line, so that we break. Unknown decimal situation. - } - -#ifdef FMT_DEBUG - printf("Preparing to do fastpath parse: decimalChar=U+%04X, groupingChar=U+%04X, first ch=U+%04X intOnly=%c strictParse=%c\n", - decimalChar, groupingChar, ch, - (intOnly)?'y':'n', - (strictParse)?'y':'n'); -#endif - if(ch==0x002D) { // '-' - j=l+1;//=break - negative number. - - /* - parsedNum.append('-',err); - j+=U16_LENGTH(ch); - if(j<l) ch = text.char32At(j); - */ - } else { - parsedNum.append('+',err); - } - while(j<l) { - int32_t digit = ch - zero; - if(digit >=0 && digit <= 9) { - parsedNum.append((char)(digit + '0'), err); - if((digitCount>0) || digit!=0 || j==(l-1)) { - digitCount++; - } - } else if(ch == 0) { // break out - digitCount=-1; - break; - } else if(ch == decimalChar) { - parsedNum.append((char)('.'), err); - decimalChar=0; // no more decimals. - // fastParseHadDecimal=TRUE; - } else if(ch == lookForGroup) { - // ignore grouping char. No decimals, so it has to be an ignorable grouping sep - } else if(intOnly && (lookForGroup!=0) && !u_isdigit(ch)) { - // parsing integer only and can fall through - } else { - digitCount=-1; // fail - fall through to slow parse - break; - } - j+=U16_LENGTH(ch); - ch = text.char32At(j); // for next - } - if( - ((j==l)||intOnly) // end OR only parsing integer - && (digitCount>0)) { // and have at least one digit - fastParseOk=true; // Fast parse OK! - -#ifdef SKIP_OPT - debug("SKIP_OPT"); - /* for testing, try it the slow way. also */ - fastParseOk=false; - parsedNum.clear(); -#else - parsePosition.setIndex(position=j); - status[fgStatusInfinite]=false; -#endif - } else { - // was not OK. reset, retry -#ifdef FMT_DEBUG - printf("Fall through: j=%d, l=%d, digitCount=%d\n", j, l, digitCount); -#endif - parsedNum.clear(); - } - } else { -#ifdef FMT_DEBUG - printf("Could not fastpath parse. "); - printf("text.length()=%d ", text.length()); - printf("posPrefix=%p posSuffix=%p ", posPrefix, posSuffix); +DecimalFormat& DecimalFormat::operator=(const DecimalFormat& rhs) { + *fields->properties = *rhs.fields->properties; + fields->exportedProperties->clear(); + fields->symbols.adoptInstead(new DecimalFormatSymbols(*rhs.fields->symbols)); + touchNoError(); + return *this; +} - printf("\n"); -#endif - } +DecimalFormat::~DecimalFormat() { + delete fields->atomicParser.exchange(nullptr); + delete fields->atomicCurrencyParser.exchange(nullptr); + delete fields; +} - UnicodeString formatPattern; - toPattern(formatPattern); +Format* DecimalFormat::clone() const { + return new DecimalFormat(*this); +} - if(!fastParseOk -#if UCONFIG_HAVE_PARSEALLINPUT - && fParseAllInput!=UNUM_YES -#endif - ) - { - int32_t formatWidth = fImpl->getOldFormatWidth(); - // Match padding before prefix - if (formatWidth > 0 && fImpl->fAffixes.fPadPosition == DigitAffixesAndPadding::kPadBeforePrefix) { - position = skipPadding(text, position); - } - - // Match positive and negative prefixes; prefer longest match. - int32_t posMatch = compareAffix(text, position, FALSE, TRUE, posPrefix, complexCurrencyParsing, type, currency); - int32_t negMatch = compareAffix(text, position, TRUE, TRUE, negPrefix, complexCurrencyParsing, type, currency); - if (posMatch >= 0 && negMatch >= 0) { - if (posMatch > negMatch) { - negMatch = -1; - } else if (negMatch > posMatch) { - posMatch = -1; - } - } - if (posMatch >= 0) { - position += posMatch; - parsedNum.append('+', err); - } else if (negMatch >= 0) { - position += negMatch; - parsedNum.append('-', err); - } else if (strictParse){ - parsePosition.setErrorIndex(position); - return FALSE; - } else { - // Temporary set positive. This might be changed after checking suffix - parsedNum.append('+', err); +UBool DecimalFormat::operator==(const Format& other) const { + auto* otherDF = dynamic_cast<const DecimalFormat*>(&other); + if (otherDF == nullptr) { + return false; } + return *fields->properties == *otherDF->fields->properties && *fields->symbols == *otherDF->fields->symbols; +} - // Match padding before prefix - if (formatWidth > 0 && fImpl->fAffixes.fPadPosition == DigitAffixesAndPadding::kPadAfterPrefix) { - position = skipPadding(text, position); +UnicodeString& DecimalFormat::format(double number, UnicodeString& appendTo, FieldPosition& pos) const { + if (pos.getField() == FieldPosition::DONT_CARE && fastFormatDouble(number, appendTo)) { + return appendTo; } + UErrorCode localStatus = U_ZERO_ERROR; + FormattedNumber output = fields->formatter->formatDouble(number, localStatus); + fieldPositionHelper(output, pos, appendTo.length(), localStatus); + auto appendable = UnicodeStringAppendable(appendTo); + output.appendTo(appendable); + return appendTo; +} - if (! strictParse) { - position = skipUWhiteSpace(text, position); +UnicodeString& DecimalFormat::format(double number, UnicodeString& appendTo, FieldPosition& pos, + UErrorCode& status) const { + if (pos.getField() == FieldPosition::DONT_CARE && fastFormatDouble(number, appendTo)) { + return appendTo; } + FormattedNumber output = fields->formatter->formatDouble(number, status); + fieldPositionHelper(output, pos, appendTo.length(), status); + auto appendable = UnicodeStringAppendable(appendTo); + output.appendTo(appendable); + return appendTo; +} - // process digits or Inf, find decimal position - const UnicodeString *inf = &fImpl->getConstSymbol(DecimalFormatSymbols::kInfinitySymbol); - int32_t infLen = (text.compare(position, inf->length(), *inf) - ? 0 : inf->length()); - position += infLen; // infLen is non-zero when it does equal to infinity - status[fgStatusInfinite] = infLen != 0; - - if (infLen != 0) { - parsedNum.append("Infinity", err); - } else { - // We now have a string of digits, possibly with grouping symbols, - // and decimal points. We want to process these into a DigitList. - // We don't want to put a bunch of leading zeros into the DigitList - // though, so we keep track of the location of the decimal point, - // put only significant digits into the DigitList, and adjust the - // exponent as needed. - - - UBool strictFail = FALSE; // did we exit with a strict parse failure? - int32_t lastGroup = -1; // after which digit index did we last see a grouping separator? - int32_t currGroup = -1; // for temporary storage the digit index of the current grouping separator - int32_t gs2 = fImpl->fEffGrouping.fGrouping2 == 0 ? fImpl->fEffGrouping.fGrouping : fImpl->fEffGrouping.fGrouping2; - - const UnicodeString *decimalString; - if (fImpl->fMonetary) { - decimalString = &fImpl->getConstSymbol(DecimalFormatSymbols::kMonetarySeparatorSymbol); - } else { - decimalString = &fImpl->getConstSymbol(DecimalFormatSymbols::kDecimalSeparatorSymbol); - } - UChar32 decimalChar = decimalString->char32At(0); - int32_t decimalStringLength = decimalString->length(); - int32_t decimalCharLength = U16_LENGTH(decimalChar); - - UBool sawDecimal = FALSE; - UChar32 sawDecimalChar = 0xFFFF; - UBool sawGrouping = FALSE; - UChar32 sawGroupingChar = 0xFFFF; - UBool sawDigit = FALSE; - int32_t backup = -1; - int32_t digit; - - // equivalent grouping and decimal support - const UnicodeSet *decimalSet = NULL; - const UnicodeSet *groupingSet = NULL; - - if (decimalCharLength == decimalStringLength) { - decimalSet = DecimalFormatStaticSets::getSimilarDecimals(decimalChar, strictParse); - } - - if (groupingCharLength == groupingStringLength) { - if (strictParse) { - groupingSet = fStaticSets->fStrictDefaultGroupingSeparators; - } else { - groupingSet = fStaticSets->fDefaultGroupingSeparators; - } - } - - // We need to test groupingChar and decimalChar separately from groupingSet and decimalSet, if the sets are even initialized. - // If sawDecimal is TRUE, only consider sawDecimalChar and NOT decimalSet - // If a character matches decimalSet, don't consider it to be a member of the groupingSet. - - // We have to track digitCount ourselves, because digits.fCount will - // pin when the maximum allowable digits is reached. - int32_t digitCount = 0; - int32_t integerDigitCount = 0; - - for (; position < textLength; ) - { - UChar32 ch = text.char32At(position); - - /* We recognize all digit ranges, not only the Latin digit range - * '0'..'9'. We do so by using the Character.digit() method, - * which converts a valid Unicode digit to the range 0..9. - * - * The character 'ch' may be a digit. If so, place its value - * from 0 to 9 in 'digit'. First try using the locale digit, - * which may or MAY NOT be a standard Unicode digit range. If - * this fails, try using the standard Unicode digit ranges by - * calling Character.digit(). If this also fails, digit will - * have a value outside the range 0..9. - */ - digit = ch - zero; - if (digit < 0 || digit > 9) - { - digit = u_charDigitValue(ch); - } - - // As a last resort, look through the localized digits if the zero digit - // is not a "standard" Unicode digit. - if ( (digit < 0 || digit > 9) && u_charDigitValue(zero) != 0) { - digit = 0; - if ( fImpl->getConstSymbol((DecimalFormatSymbols::ENumberFormatSymbol)(DecimalFormatSymbols::kZeroDigitSymbol)).char32At(0) == ch ) { - break; - } - for (digit = 1 ; digit < 10 ; digit++ ) { - if ( fImpl->getConstSymbol((DecimalFormatSymbols::ENumberFormatSymbol)(DecimalFormatSymbols::kOneDigitSymbol+digit-1)).char32At(0) == ch ) { - break; - } - } - } - - if (digit >= 0 && digit <= 9) - { - if (strictParse && backup != -1) { - // comma followed by digit, so group before comma is a - // secondary group. If there was a group separator - // before that, the group must == the secondary group - // length, else it can be <= the the secondary group - // length. - if ((lastGroup != -1 && currGroup - lastGroup != gs2) || - (lastGroup == -1 && digitCount - 1 > gs2)) { - strictFail = TRUE; - break; - } - - lastGroup = currGroup; - } - - // Cancel out backup setting (see grouping handler below) - currGroup = -1; - backup = -1; - sawDigit = TRUE; - - // Note: this will append leading zeros - parsedNum.append((char)(digit + '0'), err); - - // count any digit that's not a leading zero - if (digit > 0 || digitCount > 0 || sawDecimal) { - digitCount += 1; - - // count any integer digit that's not a leading zero - if (! sawDecimal) { - integerDigitCount += 1; - } - } - - position += U16_LENGTH(ch); - } - else if (groupingStringLength > 0 && - matchGrouping(groupingChar, sawGrouping, sawGroupingChar, groupingSet, - decimalChar, decimalSet, - ch) && groupingUsed) - { - if (sawDecimal) { - break; - } - - if (strictParse) { - if ((!sawDigit || backup != -1)) { - // leading group, or two group separators in a row - strictFail = TRUE; - break; - } - } - - // Ignore grouping characters, if we are using them, but require - // that they be followed by a digit. Otherwise we backup and - // reprocess them. - currGroup = digitCount; - backup = position; - position += groupingStringLength; - sawGrouping=TRUE; - // Once we see a grouping character, we only accept that grouping character from then on. - sawGroupingChar=ch; - } - else if (matchDecimal(decimalChar,sawDecimal,sawDecimalChar, decimalSet, ch)) - { - if (strictParse) { - if (backup != -1 || - (lastGroup != -1 && digitCount - lastGroup != fImpl->fEffGrouping.fGrouping)) { - strictFail = TRUE; - break; - } - } - - // If we're only parsing integers, or if we ALREADY saw the - // decimal, then don't parse this one. - if (isParseIntegerOnly() || sawDecimal) { - break; - } - - parsedNum.append('.', err); - position += decimalStringLength; - sawDecimal = TRUE; - // Once we see a decimal character, we only accept that decimal character from then on. - sawDecimalChar=ch; - // decimalSet is considered to consist of (ch,ch) - } - else { - - if(!fBoolFlags.contains(UNUM_PARSE_NO_EXPONENT) || // don't parse if this is set unless.. - isScientificNotation()) { // .. it's an exponent format - ignore setting and parse anyways - const UnicodeString *tmp; - tmp = &fImpl->getConstSymbol(DecimalFormatSymbols::kExponentialSymbol); - // TODO: CASE - if (!text.caseCompare(position, tmp->length(), *tmp, U_FOLD_CASE_DEFAULT)) // error code is set below if !sawDigit - { - // Parse sign, if present - int32_t pos = position + tmp->length(); - char exponentSign = '+'; - - if (pos < textLength) - { - tmp = &fImpl->getConstSymbol(DecimalFormatSymbols::kPlusSignSymbol); - if (!text.compare(pos, tmp->length(), *tmp)) - { - pos += tmp->length(); - } - else { - tmp = &fImpl->getConstSymbol(DecimalFormatSymbols::kMinusSignSymbol); - if (!text.compare(pos, tmp->length(), *tmp)) - { - exponentSign = '-'; - pos += tmp->length(); - } - } - } - - UBool sawExponentDigit = FALSE; - while (pos < textLength) { - ch = text.char32At(pos); - digit = ch - zero; - - if (digit < 0 || digit > 9) { - digit = u_charDigitValue(ch); - } - if (0 <= digit && digit <= 9) { - if (!sawExponentDigit) { - parsedNum.append('E', err); - parsedNum.append(exponentSign, err); - sawExponentDigit = TRUE; - } - pos += U16_LENGTH(ch); - parsedNum.append((char)(digit + '0'), err); - } else { - break; - } - } - - if (sawExponentDigit) { - position = pos; // Advance past the exponent - } - - break; // Whether we fail or succeed, we exit this loop - } else { - break; - } - } else { // not parsing exponent - break; - } - } - } - - // if we didn't see a decimal and it is required, check to see if the pattern had one - if(!sawDecimal && isDecimalPatternMatchRequired()) - { - if(formatPattern.indexOf(kPatternDecimalSeparator) != -1) - { - parsePosition.setIndex(oldStart); - parsePosition.setErrorIndex(position); - debug("decimal point match required fail!"); - return FALSE; - } - } - - if (backup != -1) - { - position = backup; - } - - if (strictParse && !sawDecimal) { - if (lastGroup != -1 && digitCount - lastGroup != fImpl->fEffGrouping.fGrouping) { - strictFail = TRUE; - } - } +UnicodeString& +DecimalFormat::format(double number, UnicodeString& appendTo, FieldPositionIterator* posIter, + UErrorCode& status) const { + if (posIter == nullptr && fastFormatDouble(number, appendTo)) { + return appendTo; + } + FormattedNumber output = fields->formatter->formatDouble(number, status); + fieldPositionIteratorHelper(output, posIter, appendTo.length(), status); + auto appendable = UnicodeStringAppendable(appendTo); + output.appendTo(appendable); + return appendTo; +} - if (strictFail) { - // only set with strictParse and a grouping separator error +UnicodeString& DecimalFormat::format(int32_t number, UnicodeString& appendTo, FieldPosition& pos) const { + return format(static_cast<int64_t> (number), appendTo, pos); +} - parsePosition.setIndex(oldStart); - parsePosition.setErrorIndex(position); - debug("strictFail!"); - return FALSE; - } +UnicodeString& DecimalFormat::format(int32_t number, UnicodeString& appendTo, FieldPosition& pos, + UErrorCode& status) const { + return format(static_cast<int64_t> (number), appendTo, pos, status); +} - // If there was no decimal point we have an integer +UnicodeString& +DecimalFormat::format(int32_t number, UnicodeString& appendTo, FieldPositionIterator* posIter, + UErrorCode& status) const { + return format(static_cast<int64_t> (number), appendTo, posIter, status); +} - // If none of the text string was recognized. For example, parse - // "x" with pattern "#0.00" (return index and error index both 0) - // parse "$" with pattern "$#0.00". (return index 0 and error index - // 1). - if (!sawDigit && digitCount == 0) { -#ifdef FMT_DEBUG - debug("none of text rec"); - printf("position=%d\n",position); -#endif - parsePosition.setIndex(oldStart); - parsePosition.setErrorIndex(oldStart); - return FALSE; - } +UnicodeString& DecimalFormat::format(int64_t number, UnicodeString& appendTo, FieldPosition& pos) const { + if (pos.getField() == FieldPosition::DONT_CARE && fastFormatInt64(number, appendTo)) { + return appendTo; } + UErrorCode localStatus = U_ZERO_ERROR; + FormattedNumber output = fields->formatter->formatInt(number, localStatus); + fieldPositionHelper(output, pos, appendTo.length(), localStatus); + auto appendable = UnicodeStringAppendable(appendTo); + output.appendTo(appendable); + return appendTo; +} - // Match padding before suffix - if (formatWidth > 0 && fImpl->fAffixes.fPadPosition == DigitAffixesAndPadding::kPadBeforeSuffix) { - position = skipPadding(text, position); +UnicodeString& DecimalFormat::format(int64_t number, UnicodeString& appendTo, FieldPosition& pos, + UErrorCode& status) const { + if (pos.getField() == FieldPosition::DONT_CARE && fastFormatInt64(number, appendTo)) { + return appendTo; } + FormattedNumber output = fields->formatter->formatInt(number, status); + fieldPositionHelper(output, pos, appendTo.length(), status); + auto appendable = UnicodeStringAppendable(appendTo); + output.appendTo(appendable); + return appendTo; +} - int32_t posSuffixMatch = -1, negSuffixMatch = -1; - - // Match positive and negative suffixes; prefer longest match. - if (posMatch >= 0 || (!strictParse && negMatch < 0)) { - posSuffixMatch = compareAffix(text, position, FALSE, FALSE, posSuffix, complexCurrencyParsing, type, currency); - } - if (negMatch >= 0) { - negSuffixMatch = compareAffix(text, position, TRUE, FALSE, negSuffix, complexCurrencyParsing, type, currency); - } - if (posSuffixMatch >= 0 && negSuffixMatch >= 0) { - if (posSuffixMatch > negSuffixMatch) { - negSuffixMatch = -1; - } else if (negSuffixMatch > posSuffixMatch) { - posSuffixMatch = -1; - } +UnicodeString& +DecimalFormat::format(int64_t number, UnicodeString& appendTo, FieldPositionIterator* posIter, + UErrorCode& status) const { + if (posIter == nullptr && fastFormatInt64(number, appendTo)) { + return appendTo; } + FormattedNumber output = fields->formatter->formatInt(number, status); + fieldPositionIteratorHelper(output, posIter, appendTo.length(), status); + auto appendable = UnicodeStringAppendable(appendTo); + output.appendTo(appendable); + return appendTo; +} - // Fail if neither or both - if (strictParse && ((posSuffixMatch >= 0) == (negSuffixMatch >= 0))) { - parsePosition.setErrorIndex(position); - debug("neither or both"); - return FALSE; - } +UnicodeString& +DecimalFormat::format(StringPiece number, UnicodeString& appendTo, FieldPositionIterator* posIter, + UErrorCode& status) const { + FormattedNumber output = fields->formatter->formatDecimal(number, status); + fieldPositionIteratorHelper(output, posIter, appendTo.length(), status); + auto appendable = UnicodeStringAppendable(appendTo); + output.appendTo(appendable); + return appendTo; +} - position += (posSuffixMatch >= 0 ? posSuffixMatch : (negSuffixMatch >= 0 ? negSuffixMatch : 0)); +UnicodeString& DecimalFormat::format(const DecimalQuantity& number, UnicodeString& appendTo, + FieldPositionIterator* posIter, UErrorCode& status) const { + FormattedNumber output = fields->formatter->formatDecimalQuantity(number, status); + fieldPositionIteratorHelper(output, posIter, appendTo.length(), status); + auto appendable = UnicodeStringAppendable(appendTo); + output.appendTo(appendable); + return appendTo; +} - // Match padding before suffix - if (formatWidth > 0 && fImpl->fAffixes.fPadPosition == DigitAffixesAndPadding::kPadAfterSuffix) { - position = skipPadding(text, position); +UnicodeString& +DecimalFormat::format(const DecimalQuantity& number, UnicodeString& appendTo, FieldPosition& pos, + UErrorCode& status) const { + FormattedNumber output = fields->formatter->formatDecimalQuantity(number, status); + fieldPositionHelper(output, pos, appendTo.length(), status); + auto appendable = UnicodeStringAppendable(appendTo); + output.appendTo(appendable); + return appendTo; +} + +void DecimalFormat::parse(const UnicodeString& text, Formattable& output, + ParsePosition& parsePosition) const { + if (parsePosition.getIndex() < 0 || parsePosition.getIndex() >= text.length()) { + return; } - parsePosition.setIndex(position); - - parsedNum.data()[0] = (posSuffixMatch >= 0 || (!strictParse && negMatch < 0 && negSuffixMatch < 0)) ? '+' : '-'; -#ifdef FMT_DEBUG -printf("PP -> %d, SLOW = [%s]! pp=%d, os=%d, err=%s\n", position, parsedNum.data(), parsePosition.getIndex(),oldStart,u_errorName(err)); -#endif - } /* end SLOW parse */ - if(parsePosition.getIndex() == oldStart) - { -#ifdef FMT_DEBUG - printf(" PP didnt move, err\n"); -#endif - parsePosition.setErrorIndex(position); - return FALSE; - } -#if UCONFIG_HAVE_PARSEALLINPUT - else if (fParseAllInput==UNUM_YES&&parsePosition.getIndex()!=textLength) - { -#ifdef FMT_DEBUG - printf(" PP didnt consume all (UNUM_YES), err\n"); -#endif - parsePosition.setErrorIndex(position); - return FALSE; - } -#endif - // uint32_t bits = (fastParseOk?kFastpathOk:0) | - // (fastParseHadDecimal?0:kNoDecimal); - //printf("FPOK=%d, FPHD=%d, bits=%08X\n", fastParseOk, fastParseHadDecimal, bits); - digits.set(parsedNum.toStringPiece(), - err, - 0//bits - ); - - if (U_FAILURE(err)) { -#ifdef FMT_DEBUG - printf(" err setting %s\n", u_errorName(err)); -#endif - parsePosition.setErrorIndex(position); - return FALSE; - } - - // check if we missed a required decimal point - if(fastParseOk && isDecimalPatternMatchRequired()) - { - if(formatPattern.indexOf(kPatternDecimalSeparator) != -1) - { - parsePosition.setIndex(oldStart); - parsePosition.setErrorIndex(position); - debug("decimal point match required fail!"); - return FALSE; - } + ErrorCode status; + ParsedNumber result; + // Note: if this is a currency instance, currencies will be matched despite the fact that we are not in the + // parseCurrency method (backwards compatibility) + int32_t startIndex = parsePosition.getIndex(); + const NumberParserImpl* parser = getParser(status); + if (U_FAILURE(status)) { return; } + parser->parse(text, startIndex, true, result, status); + // TODO: Do we need to check for fImpl->properties->parseAllInput (UCONFIG_HAVE_PARSEALLINPUT) here? + if (result.success()) { + parsePosition.setIndex(result.charEnd); + result.populateFormattable(output, parser->getParseFlags()); + } else { + parsePosition.setErrorIndex(startIndex + result.charEnd); } +} - - return TRUE; -} - -/** - * Starting at position, advance past a run of pad characters, if any. - * Return the index of the first character after position that is not a pad - * character. Result is >= position. - */ -int32_t DecimalFormat::skipPadding(const UnicodeString& text, int32_t position) const { - int32_t padLen = U16_LENGTH(fImpl->fAffixes.fPadChar); - while (position < text.length() && - text.char32At(position) == fImpl->fAffixes.fPadChar) { - position += padLen; - } - return position; -} - -/** - * Return the length matched by the given affix, or -1 if none. - * Runs of white space in the affix, match runs of white space in - * the input. Pattern white space and input white space are - * determined differently; see code. - * @param text input text - * @param pos offset into input at which to begin matching - * @param isNegative - * @param isPrefix - * @param affixPat affix pattern used for currency affix comparison. - * @param complexCurrencyParsing whether it is currency parsing or not - * @param type the currency type to parse against, LONG_NAME only or not. - * @param currency return value for parsed currency, for generic - * currency parsing mode, or null for normal parsing. In generic - * currency parsing mode, any currency is parsed, not just the - * currency that this formatter is set to. - * @return length of input that matches, or -1 if match failure - */ -int32_t DecimalFormat::compareAffix(const UnicodeString& text, - int32_t pos, - UBool isNegative, - UBool isPrefix, - const UnicodeString* affixPat, - UBool complexCurrencyParsing, - int8_t type, - UChar* currency) const -{ - const UnicodeString *patternToCompare; - if (currency != NULL || - (fImpl->fMonetary && complexCurrencyParsing)) { - - if (affixPat != NULL) { - return compareComplexAffix(*affixPat, text, pos, type, currency); - } +CurrencyAmount* DecimalFormat::parseCurrency(const UnicodeString& text, ParsePosition& parsePosition) const { + if (parsePosition.getIndex() < 0 || parsePosition.getIndex() >= text.length()) { + return nullptr; } - if (isNegative) { - if (isPrefix) { - patternToCompare = &fImpl->fAffixes.fNegativePrefix.getOtherVariant().toString(); - } - else { - patternToCompare = &fImpl->fAffixes.fNegativeSuffix.getOtherVariant().toString(); - } - } - else { - if (isPrefix) { - patternToCompare = &fImpl->fAffixes.fPositivePrefix.getOtherVariant().toString(); - } - else { - patternToCompare = &fImpl->fAffixes.fPositiveSuffix.getOtherVariant().toString(); - } + ErrorCode status; + ParsedNumber result; + // Note: if this is a currency instance, currencies will be matched despite the fact that we are not in the + // parseCurrency method (backwards compatibility) + int32_t startIndex = parsePosition.getIndex(); + const NumberParserImpl* parser = getCurrencyParser(status); + if (U_FAILURE(status)) { return nullptr; } + parser->parse(text, startIndex, true, result, status); + // TODO: Do we need to check for fImpl->properties->parseAllInput (UCONFIG_HAVE_PARSEALLINPUT) here? + if (result.success()) { + parsePosition.setIndex(result.charEnd); + Formattable formattable; + result.populateFormattable(formattable, parser->getParseFlags()); + return new CurrencyAmount(formattable, result.currencyCode, status); + } else { + parsePosition.setErrorIndex(startIndex + result.charEnd); + return nullptr; } - return compareSimpleAffix(*patternToCompare, text, pos, isLenient()); } -UBool DecimalFormat::equalWithSignCompatibility(UChar32 lhs, UChar32 rhs) const { - if (lhs == rhs) { - return TRUE; - } - U_ASSERT(fStaticSets != NULL); // should already be loaded - const UnicodeSet *minusSigns = fStaticSets->fMinusSigns; - const UnicodeSet *plusSigns = fStaticSets->fPlusSigns; - return (minusSigns->contains(lhs) && minusSigns->contains(rhs)) || - (plusSigns->contains(lhs) && plusSigns->contains(rhs)); +const DecimalFormatSymbols* DecimalFormat::getDecimalFormatSymbols(void) const { + return fields->symbols.getAlias(); } -// check for LRM 0x200E, RLM 0x200F, ALM 0x061C -#define IS_BIDI_MARK(c) (c==0x200E || c==0x200F || c==0x061C) +void DecimalFormat::adoptDecimalFormatSymbols(DecimalFormatSymbols* symbolsToAdopt) { + if (symbolsToAdopt == nullptr) { + return; // do not allow caller to set fields->symbols to NULL + } + fields->symbols.adoptInstead(symbolsToAdopt); + touchNoError(); +} -#define TRIM_BUFLEN 32 -UnicodeString& DecimalFormat::trimMarksFromAffix(const UnicodeString& affix, UnicodeString& trimmedAffix) { - UChar trimBuf[TRIM_BUFLEN]; - int32_t affixLen = affix.length(); - int32_t affixPos, trimLen = 0; +void DecimalFormat::setDecimalFormatSymbols(const DecimalFormatSymbols& symbols) { + fields->symbols.adoptInstead(new DecimalFormatSymbols(symbols)); + touchNoError(); +} - for (affixPos = 0; affixPos < affixLen; affixPos++) { - UChar c = affix.charAt(affixPos); - if (!IS_BIDI_MARK(c)) { - if (trimLen < TRIM_BUFLEN) { - trimBuf[trimLen++] = c; - } else { - trimLen = 0; - break; - } - } - } - return (trimLen > 0)? trimmedAffix.setTo(trimBuf, trimLen): trimmedAffix.setTo(affix); -} - -/** - * Return the length matched by the given affix, or -1 if none. - * Runs of white space in the affix, match runs of white space in - * the input. Pattern white space and input white space are - * determined differently; see code. - * @param affix pattern string, taken as a literal - * @param input input text - * @param pos offset into input at which to begin matching - * @return length of input that matches, or -1 if match failure - */ -int32_t DecimalFormat::compareSimpleAffix(const UnicodeString& affix, - const UnicodeString& input, - int32_t pos, - UBool lenient) const { - int32_t start = pos; - UnicodeString trimmedAffix; - // For more efficiency we should keep lazily-created trimmed affixes around in - // instance variables instead of trimming each time they are used (the next step) - trimMarksFromAffix(affix, trimmedAffix); - UChar32 affixChar = trimmedAffix.char32At(0); - int32_t affixLength = trimmedAffix.length(); - int32_t inputLength = input.length(); - int32_t affixCharLength = U16_LENGTH(affixChar); - UnicodeSet *affixSet; - UErrorCode status = U_ZERO_ERROR; - - U_ASSERT(fStaticSets != NULL); // should already be loaded +const CurrencyPluralInfo* DecimalFormat::getCurrencyPluralInfo(void) const { + return fields->properties->currencyPluralInfo.fPtr.getAlias(); +} - if (U_FAILURE(status)) { - return -1; - } - if (!lenient) { - affixSet = fStaticSets->fStrictDashEquivalents; - - // If the trimmedAffix is exactly one character long and that character - // is in the dash set and the very next input character is also - // in the dash set, return a match. - if (affixCharLength == affixLength && affixSet->contains(affixChar)) { - UChar32 ic = input.char32At(pos); - if (affixSet->contains(ic)) { - pos += U16_LENGTH(ic); - pos = skipBidiMarks(input, pos); // skip any trailing bidi marks - return pos - start; - } - } +void DecimalFormat::adoptCurrencyPluralInfo(CurrencyPluralInfo* toAdopt) { + fields->properties->currencyPluralInfo.fPtr.adoptInstead(toAdopt); + touchNoError(); +} - for (int32_t i = 0; i < affixLength; ) { - UChar32 c = trimmedAffix.char32At(i); - int32_t len = U16_LENGTH(c); - if (PatternProps::isWhiteSpace(c)) { - // We may have a pattern like: \u200F \u0020 - // and input text like: \u200F \u0020 - // Note that U+200F and U+0020 are Pattern_White_Space but only - // U+0020 is UWhiteSpace. So we have to first do a direct - // match of the run of Pattern_White_Space in the pattern, - // then match any extra characters. - UBool literalMatch = FALSE; - while (pos < inputLength) { - UChar32 ic = input.char32At(pos); - if (ic == c) { - literalMatch = TRUE; - i += len; - pos += len; - if (i == affixLength) { - break; - } - c = trimmedAffix.char32At(i); - len = U16_LENGTH(c); - if (!PatternProps::isWhiteSpace(c)) { - break; - } - } else if (IS_BIDI_MARK(ic)) { - pos ++; // just skip over this input text - } else { - break; - } - } - - // Advance over run in pattern - i = skipPatternWhiteSpace(trimmedAffix, i); - - // Advance over run in input text - // Must see at least one white space char in input, - // unless we've already matched some characters literally. - int32_t s = pos; - pos = skipUWhiteSpace(input, pos); - if (pos == s && !literalMatch) { - return -1; - } - - // If we skip UWhiteSpace in the input text, we need to skip it in the pattern. - // Otherwise, the previous lines may have skipped over text (such as U+00A0) that - // is also in the trimmedAffix. - i = skipUWhiteSpace(trimmedAffix, i); - } else { - UBool match = FALSE; - while (pos < inputLength) { - UChar32 ic = input.char32At(pos); - if (!match && ic == c) { - i += len; - pos += len; - match = TRUE; - } else if (IS_BIDI_MARK(ic)) { - pos++; // just skip over this input text - } else { - break; - } - } - if (!match) { - return -1; - } - } - } +void DecimalFormat::setCurrencyPluralInfo(const CurrencyPluralInfo& info) { + if (fields->properties->currencyPluralInfo.fPtr.isNull()) { + fields->properties->currencyPluralInfo.fPtr.adoptInstead(info.clone()); } else { - UBool match = FALSE; + *fields->properties->currencyPluralInfo.fPtr = info; // copy-assignment operator + } + touchNoError(); +} - affixSet = fStaticSets->fDashEquivalents; +UnicodeString& DecimalFormat::getPositivePrefix(UnicodeString& result) const { + ErrorCode localStatus; + fields->formatter->getAffixImpl(true, false, result, localStatus); + return result; +} - if (affixCharLength == affixLength && affixSet->contains(affixChar)) { - pos = skipUWhiteSpaceAndMarks(input, pos); - UChar32 ic = input.char32At(pos); +void DecimalFormat::setPositivePrefix(const UnicodeString& newValue) { + if (newValue == fields->properties->positivePrefix) { return; } + fields->properties->positivePrefix = newValue; + touchNoError(); +} - if (affixSet->contains(ic)) { - pos += U16_LENGTH(ic); - pos = skipBidiMarks(input, pos); - return pos - start; - } - } +UnicodeString& DecimalFormat::getNegativePrefix(UnicodeString& result) const { + ErrorCode localStatus; + fields->formatter->getAffixImpl(true, true, result, localStatus); + return result; +} - for (int32_t i = 0; i < affixLength; ) - { - //i = skipRuleWhiteSpace(trimmedAffix, i); - i = skipUWhiteSpace(trimmedAffix, i); - pos = skipUWhiteSpaceAndMarks(input, pos); +void DecimalFormat::setNegativePrefix(const UnicodeString& newValue) { + if (newValue == fields->properties->negativePrefix) { return; } + fields->properties->negativePrefix = newValue; + touchNoError(); +} - if (i >= affixLength || pos >= inputLength) { - break; - } +UnicodeString& DecimalFormat::getPositiveSuffix(UnicodeString& result) const { + ErrorCode localStatus; + fields->formatter->getAffixImpl(false, false, result, localStatus); + return result; +} - UChar32 c = trimmedAffix.char32At(i); - UChar32 ic = input.char32At(pos); +void DecimalFormat::setPositiveSuffix(const UnicodeString& newValue) { + if (newValue == fields->properties->positiveSuffix) { return; } + fields->properties->positiveSuffix = newValue; + touchNoError(); +} - if (!equalWithSignCompatibility(ic, c)) { - return -1; - } +UnicodeString& DecimalFormat::getNegativeSuffix(UnicodeString& result) const { + ErrorCode localStatus; + fields->formatter->getAffixImpl(false, true, result, localStatus); + return result; +} - match = TRUE; - i += U16_LENGTH(c); - pos += U16_LENGTH(ic); - pos = skipBidiMarks(input, pos); - } +void DecimalFormat::setNegativeSuffix(const UnicodeString& newValue) { + if (newValue == fields->properties->negativeSuffix) { return; } + fields->properties->negativeSuffix = newValue; + touchNoError(); +} - if (affixLength > 0 && ! match) { - return -1; - } - } - return pos - start; +UBool DecimalFormat::isSignAlwaysShown() const { + return fields->properties->signAlwaysShown; } -/** - * Skip over a run of zero or more Pattern_White_Space characters at - * pos in text. - */ -int32_t DecimalFormat::skipPatternWhiteSpace(const UnicodeString& text, int32_t pos) { - const UChar* s = text.getBuffer(); - return (int32_t)(PatternProps::skipWhiteSpace(s + pos, text.length() - pos) - s); +void DecimalFormat::setSignAlwaysShown(UBool value) { + if (UBOOL_TO_BOOL(value) == fields->properties->signAlwaysShown) { return; } + fields->properties->signAlwaysShown = value; + touchNoError(); } -/** - * Skip over a run of zero or more isUWhiteSpace() characters at pos - * in text. - */ -int32_t DecimalFormat::skipUWhiteSpace(const UnicodeString& text, int32_t pos) { - while (pos < text.length()) { - UChar32 c = text.char32At(pos); - if (!u_isUWhiteSpace(c)) { - break; - } - pos += U16_LENGTH(c); +int32_t DecimalFormat::getMultiplier(void) const { + if (fields->properties->multiplier != 1) { + return fields->properties->multiplier; + } else if (fields->properties->magnitudeMultiplier != 0) { + return static_cast<int32_t>(uprv_pow10(fields->properties->magnitudeMultiplier)); + } else { + return 1; } - return pos; } -/** - * Skip over a run of zero or more isUWhiteSpace() characters or bidi marks at pos - * in text. - */ -int32_t DecimalFormat::skipUWhiteSpaceAndMarks(const UnicodeString& text, int32_t pos) { - while (pos < text.length()) { - UChar32 c = text.char32At(pos); - if (!u_isUWhiteSpace(c) && !IS_BIDI_MARK(c)) { // u_isUWhiteSpace doesn't include LRM,RLM,ALM - break; - } - pos += U16_LENGTH(c); +void DecimalFormat::setMultiplier(int32_t multiplier) { + if (multiplier == 0) { + multiplier = 1; // one being the benign default value for a multiplier. } - return pos; -} -/** - * Skip over a run of zero or more bidi marks at pos in text. - */ -int32_t DecimalFormat::skipBidiMarks(const UnicodeString& text, int32_t pos) { - while (pos < text.length()) { - UChar c = text.charAt(pos); - if (!IS_BIDI_MARK(c)) { + // Try to convert to a magnitude multiplier first + int delta = 0; + int value = multiplier; + while (value != 1) { + delta++; + int temp = value / 10; + if (temp * 10 != value) { + delta = -1; break; } - pos++; - } - return pos; -} - -/** - * Return the length matched by the given affix, or -1 if none. - * @param affixPat pattern string - * @param input input text - * @param pos offset into input at which to begin matching - * @param type the currency type to parse against, LONG_NAME only or not. - * @param currency return value for parsed currency, for generic - * currency parsing mode, or null for normal parsing. In generic - * currency parsing mode, any currency is parsed, not just the - * currency that this formatter is set to. - * @return length of input that matches, or -1 if match failure - */ -int32_t DecimalFormat::compareComplexAffix(const UnicodeString& affixPat, - const UnicodeString& text, - int32_t pos, - int8_t type, - UChar* currency) const -{ - int32_t start = pos; - U_ASSERT(currency != NULL || fImpl->fMonetary); - - for (int32_t i=0; - i<affixPat.length() && pos >= 0; ) { - UChar32 c = affixPat.char32At(i); - i += U16_LENGTH(c); - - if (c == kQuote) { - U_ASSERT(i <= affixPat.length()); - c = affixPat.char32At(i); - i += U16_LENGTH(c); - - const UnicodeString* affix = NULL; - - switch (c) { - case kCurrencySign: { - // since the currency names in choice format is saved - // the same way as other currency names, - // do not need to do currency choice parsing here. - // the general currency parsing parse against all names, - // including names in choice format. - UBool intl = i<affixPat.length() && - affixPat.char32At(i) == kCurrencySign; - if (intl) { - ++i; - } - UBool plural = i<affixPat.length() && - affixPat.char32At(i) == kCurrencySign; - if (plural) { - ++i; - intl = FALSE; - } - // Parse generic currency -- anything for which we - // have a display name, or any 3-letter ISO code. - // Try to parse display name for our locale; first - // determine our locale. - const char* loc = fCurrencyPluralInfo->getLocale().getName(); - ParsePosition ppos(pos); - UChar curr[4]; - UErrorCode ec = U_ZERO_ERROR; - // Delegate parse of display name => ISO code to Currency - uprv_parseCurrency(loc, text, ppos, type, curr, ec); - - // If parse succeeds, populate currency[0] - if (U_SUCCESS(ec) && ppos.getIndex() != pos) { - if (currency) { - u_strcpy(currency, curr); - } else { - // The formatter is currency-style but the client has not requested - // the value of the parsed currency. In this case, if that value does - // not match the formatter's current value, then the parse fails. - UChar effectiveCurr[4]; - getEffectiveCurrency(effectiveCurr, ec); - if ( U_FAILURE(ec) || u_strncmp(curr,effectiveCurr,4) != 0 ) { - pos = -1; - continue; - } - } - pos = ppos.getIndex(); - } else if (!isLenient()){ - pos = -1; - } - continue; - } - case kPatternPercent: - affix = &fImpl->getConstSymbol(DecimalFormatSymbols::kPercentSymbol); - break; - case kPatternPerMill: - affix = &fImpl->getConstSymbol(DecimalFormatSymbols::kPerMillSymbol); - break; - case kPatternPlus: - affix = &fImpl->getConstSymbol(DecimalFormatSymbols::kPlusSignSymbol); - break; - case kPatternMinus: - affix = &fImpl->getConstSymbol(DecimalFormatSymbols::kMinusSignSymbol); - break; - default: - // fall through to affix!=0 test, which will fail - break; - } - - if (affix != NULL) { - pos = match(text, pos, *affix); - continue; - } - } - - pos = match(text, pos, c); - if (PatternProps::isWhiteSpace(c)) { - i = skipPatternWhiteSpace(affixPat, i); - } + value = temp; } - return pos - start; -} - -/** - * Match a single character at text[pos] and return the index of the - * next character upon success. Return -1 on failure. If - * ch is a Pattern_White_Space then match a run of white space in text. - */ -int32_t DecimalFormat::match(const UnicodeString& text, int32_t pos, UChar32 ch) { - if (PatternProps::isWhiteSpace(ch)) { - // Advance over run of white space in input text - // Must see at least one white space char in input - int32_t s = pos; - pos = skipPatternWhiteSpace(text, pos); - if (pos == s) { - return -1; - } - return pos; - } - return (pos >= 0 && text.char32At(pos) == ch) ? - (pos + U16_LENGTH(ch)) : -1; -} - -/** - * Match a string at text[pos] and return the index of the next - * character upon success. Return -1 on failure. Match a run of - * white space in str with a run of white space in text. - */ -int32_t DecimalFormat::match(const UnicodeString& text, int32_t pos, const UnicodeString& str) { - for (int32_t i=0; i<str.length() && pos >= 0; ) { - UChar32 ch = str.char32At(i); - i += U16_LENGTH(ch); - if (PatternProps::isWhiteSpace(ch)) { - i = skipPatternWhiteSpace(str, i); - } - pos = match(text, pos, ch); - } - return pos; -} - -UBool DecimalFormat::matchSymbol(const UnicodeString &text, int32_t position, int32_t length, const UnicodeString &symbol, - UnicodeSet *sset, UChar32 schar) -{ - if (sset != NULL) { - return sset->contains(schar); - } - - return text.compare(position, length, symbol) == 0; -} - -UBool DecimalFormat::matchDecimal(UChar32 symbolChar, - UBool sawDecimal, UChar32 sawDecimalChar, - const UnicodeSet *sset, UChar32 schar) { - if(sawDecimal) { - return schar==sawDecimalChar; - } else if(schar==symbolChar) { - return TRUE; - } else if(sset!=NULL) { - return sset->contains(schar); - } else { - return FALSE; - } -} - -UBool DecimalFormat::matchGrouping(UChar32 groupingChar, - UBool sawGrouping, UChar32 sawGroupingChar, - const UnicodeSet *sset, - UChar32 /*decimalChar*/, const UnicodeSet *decimalSet, - UChar32 schar) { - if(sawGrouping) { - return schar==sawGroupingChar; // previously found - } else if(schar==groupingChar) { - return TRUE; // char from symbols - } else if(sset!=NULL) { - return sset->contains(schar) && // in groupingSet but... - ((decimalSet==NULL) || !decimalSet->contains(schar)); // Exclude decimalSet from groupingSet + if (delta != -1) { + fields->properties->magnitudeMultiplier = delta; + fields->properties->multiplier = 1; } else { - return FALSE; + fields->properties->magnitudeMultiplier = 0; + fields->properties->multiplier = multiplier; } + touchNoError(); } +int32_t DecimalFormat::getMultiplierScale() const { + return fields->properties->multiplierScale; +} +void DecimalFormat::setMultiplierScale(int32_t newValue) { + if (newValue == fields->properties->multiplierScale) { return; } + fields->properties->multiplierScale = newValue; + touchNoError(); +} -//------------------------------------------------------------------------------ -// Gets the pointer to the localized decimal format symbols +double DecimalFormat::getRoundingIncrement(void) const { + return fields->exportedProperties->roundingIncrement; +} -const DecimalFormatSymbols* -DecimalFormat::getDecimalFormatSymbols() const -{ - return &fImpl->getDecimalFormatSymbols(); +void DecimalFormat::setRoundingIncrement(double newValue) { + if (newValue == fields->properties->roundingIncrement) { return; } + fields->properties->roundingIncrement = newValue; + touchNoError(); } -//------------------------------------------------------------------------------ -// De-owning the current localized symbols and adopt the new symbols. +ERoundingMode DecimalFormat::getRoundingMode(void) const { + // UNumberFormatRoundingMode and ERoundingMode have the same values. + return static_cast<ERoundingMode>(fields->exportedProperties->roundingMode.getNoError()); +} -void -DecimalFormat::adoptDecimalFormatSymbols(DecimalFormatSymbols* symbolsToAdopt) -{ - if (symbolsToAdopt == NULL) { - return; // do not allow caller to set fSymbols to NULL +void DecimalFormat::setRoundingMode(ERoundingMode roundingMode) { + auto uRoundingMode = static_cast<UNumberFormatRoundingMode>(roundingMode); + if (!fields->properties->roundingMode.isNull() && uRoundingMode == fields->properties->roundingMode.getNoError()) { + return; } - fImpl->adoptDecimalFormatSymbols(symbolsToAdopt); + NumberFormat::setMaximumIntegerDigits(roundingMode); // to set field for compatibility + fields->properties->roundingMode = uRoundingMode; + touchNoError(); } -//------------------------------------------------------------------------------ -// Setting the symbols is equlivalent to adopting a newly created localized -// symbols. -void -DecimalFormat::setDecimalFormatSymbols(const DecimalFormatSymbols& symbols) -{ - adoptDecimalFormatSymbols(new DecimalFormatSymbols(symbols)); +int32_t DecimalFormat::getFormatWidth(void) const { + return fields->properties->formatWidth; } - -const CurrencyPluralInfo* -DecimalFormat::getCurrencyPluralInfo(void) const -{ - return fCurrencyPluralInfo; +void DecimalFormat::setFormatWidth(int32_t width) { + if (width == fields->properties->formatWidth) { return; } + fields->properties->formatWidth = width; + touchNoError(); } - -void -DecimalFormat::adoptCurrencyPluralInfo(CurrencyPluralInfo* toAdopt) -{ - if (toAdopt != NULL) { - delete fCurrencyPluralInfo; - fCurrencyPluralInfo = toAdopt; - // re-set currency affix patterns and currency affixes. - if (fImpl->fMonetary) { - UErrorCode status = U_ZERO_ERROR; - if (fAffixPatternsForCurrency) { - deleteHashForAffixPattern(); - } - setupCurrencyAffixPatterns(status); - } +UnicodeString DecimalFormat::getPadCharacterString() const { + if (fields->properties->padString.isBogus()) { + // Readonly-alias the static string kFallbackPaddingString + return {TRUE, kFallbackPaddingString, -1}; + } else { + return fields->properties->padString; } } -void -DecimalFormat::setCurrencyPluralInfo(const CurrencyPluralInfo& info) -{ - adoptCurrencyPluralInfo(info.clone()); +void DecimalFormat::setPadCharacter(const UnicodeString& padChar) { + if (padChar == fields->properties->padString) { return; } + if (padChar.length() > 0) { + fields->properties->padString = UnicodeString(padChar.char32At(0)); + } else { + fields->properties->padString.setToBogus(); + } + touchNoError(); } - -//------------------------------------------------------------------------------ -// Gets the positive prefix of the number pattern. - -UnicodeString& -DecimalFormat::getPositivePrefix(UnicodeString& result) const -{ - return fImpl->getPositivePrefix(result); +EPadPosition DecimalFormat::getPadPosition(void) const { + if (fields->properties->padPosition.isNull()) { + return EPadPosition::kPadBeforePrefix; + } else { + // UNumberFormatPadPosition and EPadPosition have the same values. + return static_cast<EPadPosition>(fields->properties->padPosition.getNoError()); + } } -//------------------------------------------------------------------------------ -// Sets the positive prefix of the number pattern. - -void -DecimalFormat::setPositivePrefix(const UnicodeString& newValue) -{ - fImpl->setPositivePrefix(newValue); +void DecimalFormat::setPadPosition(EPadPosition padPos) { + auto uPadPos = static_cast<UNumberFormatPadPosition>(padPos); + if (!fields->properties->padPosition.isNull() && uPadPos == fields->properties->padPosition.getNoError()) { + return; + } + fields->properties->padPosition = uPadPos; + touchNoError(); } -//------------------------------------------------------------------------------ -// Gets the negative prefix of the number pattern. - -UnicodeString& -DecimalFormat::getNegativePrefix(UnicodeString& result) const -{ - return fImpl->getNegativePrefix(result); +UBool DecimalFormat::isScientificNotation(void) const { + return fields->properties->minimumExponentDigits != -1; } -//------------------------------------------------------------------------------ -// Gets the negative prefix of the number pattern. - -void -DecimalFormat::setNegativePrefix(const UnicodeString& newValue) -{ - fImpl->setNegativePrefix(newValue); +void DecimalFormat::setScientificNotation(UBool useScientific) { + int32_t minExp = useScientific ? 1 : -1; + if (fields->properties->minimumExponentDigits == minExp) { return; } + if (useScientific) { + fields->properties->minimumExponentDigits = 1; + } else { + fields->properties->minimumExponentDigits = -1; + } + touchNoError(); } -//------------------------------------------------------------------------------ -// Gets the positive suffix of the number pattern. - -UnicodeString& -DecimalFormat::getPositiveSuffix(UnicodeString& result) const -{ - return fImpl->getPositiveSuffix(result); +int8_t DecimalFormat::getMinimumExponentDigits(void) const { + return static_cast<int8_t>(fields->properties->minimumExponentDigits); } -//------------------------------------------------------------------------------ -// Sets the positive suffix of the number pattern. - -void -DecimalFormat::setPositiveSuffix(const UnicodeString& newValue) -{ - fImpl->setPositiveSuffix(newValue); +void DecimalFormat::setMinimumExponentDigits(int8_t minExpDig) { + if (minExpDig == fields->properties->minimumExponentDigits) { return; } + fields->properties->minimumExponentDigits = minExpDig; + touchNoError(); } -//------------------------------------------------------------------------------ -// Gets the negative suffix of the number pattern. - -UnicodeString& -DecimalFormat::getNegativeSuffix(UnicodeString& result) const -{ - return fImpl->getNegativeSuffix(result); +UBool DecimalFormat::isExponentSignAlwaysShown(void) const { + return fields->properties->exponentSignAlwaysShown; } -//------------------------------------------------------------------------------ -// Sets the negative suffix of the number pattern. - -void -DecimalFormat::setNegativeSuffix(const UnicodeString& newValue) -{ - fImpl->setNegativeSuffix(newValue); +void DecimalFormat::setExponentSignAlwaysShown(UBool expSignAlways) { + if (UBOOL_TO_BOOL(expSignAlways) == fields->properties->exponentSignAlwaysShown) { return; } + fields->properties->exponentSignAlwaysShown = expSignAlways; + touchNoError(); } -//------------------------------------------------------------------------------ -// Gets the multiplier of the number pattern. -// Multipliers are stored as decimal numbers (DigitLists) because that -// is the most convenient for muliplying or dividing the numbers to be formatted. -// A NULL multiplier implies one, and the scaling operations are skipped. - -int32_t -DecimalFormat::getMultiplier() const -{ - return fImpl->getMultiplier(); +int32_t DecimalFormat::getGroupingSize(void) const { + if (fields->properties->groupingSize < 0) { + return 0; + } + return fields->properties->groupingSize; } -//------------------------------------------------------------------------------ -// Sets the multiplier of the number pattern. -void -DecimalFormat::setMultiplier(int32_t newValue) -{ - fImpl->setMultiplier(newValue); -} - -/** - * Get the rounding increment. - * @return A positive rounding increment, or 0.0 if rounding - * is not in effect. - * @see #setRoundingIncrement - * @see #getRoundingMode - * @see #setRoundingMode - */ -double DecimalFormat::getRoundingIncrement() const { - return fImpl->getRoundingIncrement(); -} - -/** - * Set the rounding increment. This method also controls whether - * rounding is enabled. - * @param newValue A positive rounding increment, or 0.0 to disable rounding. - * Negative increments are equivalent to 0.0. - * @see #getRoundingIncrement - * @see #getRoundingMode - * @see #setRoundingMode - */ -void DecimalFormat::setRoundingIncrement(double newValue) { - fImpl->setRoundingIncrement(newValue); -} - -/** - * Get the rounding mode. - * @return A rounding mode - * @see #setRoundingIncrement - * @see #getRoundingIncrement - * @see #setRoundingMode - */ -DecimalFormat::ERoundingMode DecimalFormat::getRoundingMode() const { - return fImpl->getRoundingMode(); -} - -/** - * Set the rounding mode. This has no effect unless the rounding - * increment is greater than zero. - * @param roundingMode A rounding mode - * @see #setRoundingIncrement - * @see #getRoundingIncrement - * @see #getRoundingMode - */ -void DecimalFormat::setRoundingMode(ERoundingMode roundingMode) { - fImpl->setRoundingMode(roundingMode); -} - -/** - * Get the width to which the output of <code>format()</code> is padded. - * @return the format width, or zero if no padding is in effect - * @see #setFormatWidth - * @see #getPadCharacter - * @see #setPadCharacter - * @see #getPadPosition - * @see #setPadPosition - */ -int32_t DecimalFormat::getFormatWidth() const { - return fImpl->getFormatWidth(); -} - -/** - * Set the width to which the output of <code>format()</code> is padded. - * This method also controls whether padding is enabled. - * @param width the width to which to pad the result of - * <code>format()</code>, or zero to disable padding. A negative - * width is equivalent to 0. - * @see #getFormatWidth - * @see #getPadCharacter - * @see #setPadCharacter - * @see #getPadPosition - * @see #setPadPosition - */ -void DecimalFormat::setFormatWidth(int32_t width) { - int32_t formatWidth = (width > 0) ? width : 0; - fImpl->setFormatWidth(formatWidth); +void DecimalFormat::setGroupingSize(int32_t newValue) { + if (newValue == fields->properties->groupingSize) { return; } + fields->properties->groupingSize = newValue; + touchNoError(); } -UnicodeString DecimalFormat::getPadCharacterString() const { - return UnicodeString(fImpl->getPadCharacter()); +int32_t DecimalFormat::getSecondaryGroupingSize(void) const { + int grouping2 = fields->properties->secondaryGroupingSize; + if (grouping2 < 0) { + return 0; + } + return grouping2; } -void DecimalFormat::setPadCharacter(const UnicodeString &padChar) { - UChar32 pad; - if (padChar.length() > 0) { - pad = padChar.char32At(0); - } - else { - pad = kDefaultPad; - } - fImpl->setPadCharacter(pad); -} - -static DecimalFormat::EPadPosition fromPadPosition(DigitAffixesAndPadding::EPadPosition padPos) { - switch (padPos) { - case DigitAffixesAndPadding::kPadBeforePrefix: - return DecimalFormat::kPadBeforePrefix; - case DigitAffixesAndPadding::kPadAfterPrefix: - return DecimalFormat::kPadAfterPrefix; - case DigitAffixesAndPadding::kPadBeforeSuffix: - return DecimalFormat::kPadBeforeSuffix; - case DigitAffixesAndPadding::kPadAfterSuffix: - return DecimalFormat::kPadAfterSuffix; - default: - U_ASSERT(FALSE); - break; - } - return DecimalFormat::kPadBeforePrefix; -} - -/** - * Get the position at which padding will take place. This is the location - * at which padding will be inserted if the result of <code>format()</code> - * is shorter than the format width. - * @return the pad position, one of <code>kPadBeforePrefix</code>, - * <code>kPadAfterPrefix</code>, <code>kPadBeforeSuffix</code>, or - * <code>kPadAfterSuffix</code>. - * @see #setFormatWidth - * @see #getFormatWidth - * @see #setPadCharacter - * @see #getPadCharacter - * @see #setPadPosition - * @see #kPadBeforePrefix - * @see #kPadAfterPrefix - * @see #kPadBeforeSuffix - * @see #kPadAfterSuffix - */ -DecimalFormat::EPadPosition DecimalFormat::getPadPosition() const { - return fromPadPosition(fImpl->getPadPosition()); -} - -static DigitAffixesAndPadding::EPadPosition toPadPosition(DecimalFormat::EPadPosition padPos) { - switch (padPos) { - case DecimalFormat::kPadBeforePrefix: - return DigitAffixesAndPadding::kPadBeforePrefix; - case DecimalFormat::kPadAfterPrefix: - return DigitAffixesAndPadding::kPadAfterPrefix; - case DecimalFormat::kPadBeforeSuffix: - return DigitAffixesAndPadding::kPadBeforeSuffix; - case DecimalFormat::kPadAfterSuffix: - return DigitAffixesAndPadding::kPadAfterSuffix; - default: - U_ASSERT(FALSE); - break; - } - return DigitAffixesAndPadding::kPadBeforePrefix; -} - -/** - * <strong><font face=helvetica color=red>NEW</font></strong> - * Set the position at which padding will take place. This is the location - * at which padding will be inserted if the result of <code>format()</code> - * is shorter than the format width. This has no effect unless padding is - * enabled. - * @param padPos the pad position, one of <code>kPadBeforePrefix</code>, - * <code>kPadAfterPrefix</code>, <code>kPadBeforeSuffix</code>, or - * <code>kPadAfterSuffix</code>. - * @see #setFormatWidth - * @see #getFormatWidth - * @see #setPadCharacter - * @see #getPadCharacter - * @see #getPadPosition - * @see #kPadBeforePrefix - * @see #kPadAfterPrefix - * @see #kPadBeforeSuffix - * @see #kPadAfterSuffix - */ -void DecimalFormat::setPadPosition(EPadPosition padPos) { - fImpl->setPadPosition(toPadPosition(padPos)); -} - -/** - * Return whether or not scientific notation is used. - * @return TRUE if this object formats and parses scientific notation - * @see #setScientificNotation - * @see #getMinimumExponentDigits - * @see #setMinimumExponentDigits - * @see #isExponentSignAlwaysShown - * @see #setExponentSignAlwaysShown - */ -UBool DecimalFormat::isScientificNotation() const { - return fImpl->isScientificNotation(); -} - -/** - * Set whether or not scientific notation is used. - * @param useScientific TRUE if this object formats and parses scientific - * notation - * @see #isScientificNotation - * @see #getMinimumExponentDigits - * @see #setMinimumExponentDigits - * @see #isExponentSignAlwaysShown - * @see #setExponentSignAlwaysShown - */ -void DecimalFormat::setScientificNotation(UBool useScientific) { - fImpl->setScientificNotation(useScientific); -} - -/** - * Return the minimum exponent digits that will be shown. - * @return the minimum exponent digits that will be shown - * @see #setScientificNotation - * @see #isScientificNotation - * @see #setMinimumExponentDigits - * @see #isExponentSignAlwaysShown - * @see #setExponentSignAlwaysShown - */ -int8_t DecimalFormat::getMinimumExponentDigits() const { - return fImpl->getMinimumExponentDigits(); -} - -/** - * Set the minimum exponent digits that will be shown. This has no - * effect unless scientific notation is in use. - * @param minExpDig a value >= 1 indicating the fewest exponent digits - * that will be shown. Values less than 1 will be treated as 1. - * @see #setScientificNotation - * @see #isScientificNotation - * @see #getMinimumExponentDigits - * @see #isExponentSignAlwaysShown - * @see #setExponentSignAlwaysShown - */ -void DecimalFormat::setMinimumExponentDigits(int8_t minExpDig) { - int32_t minExponentDigits = (int8_t)((minExpDig > 0) ? minExpDig : 1); - fImpl->setMinimumExponentDigits(minExponentDigits); -} - -/** - * Return whether the exponent sign is always shown. - * @return TRUE if the exponent is always prefixed with either the - * localized minus sign or the localized plus sign, false if only negative - * exponents are prefixed with the localized minus sign. - * @see #setScientificNotation - * @see #isScientificNotation - * @see #setMinimumExponentDigits - * @see #getMinimumExponentDigits - * @see #setExponentSignAlwaysShown - */ -UBool DecimalFormat::isExponentSignAlwaysShown() const { - return fImpl->isExponentSignAlwaysShown(); -} - -/** - * Set whether the exponent sign is always shown. This has no effect - * unless scientific notation is in use. - * @param expSignAlways TRUE if the exponent is always prefixed with either - * the localized minus sign or the localized plus sign, false if only - * negative exponents are prefixed with the localized minus sign. - * @see #setScientificNotation - * @see #isScientificNotation - * @see #setMinimumExponentDigits - * @see #getMinimumExponentDigits - * @see #isExponentSignAlwaysShown - */ -void DecimalFormat::setExponentSignAlwaysShown(UBool expSignAlways) { - fImpl->setExponentSignAlwaysShown(expSignAlways); +void DecimalFormat::setSecondaryGroupingSize(int32_t newValue) { + if (newValue == fields->properties->secondaryGroupingSize) { return; } + fields->properties->secondaryGroupingSize = newValue; + touchNoError(); } -//------------------------------------------------------------------------------ -// Gets the grouping size of the number pattern. For example, thousand or 10 -// thousand groupings. - -int32_t -DecimalFormat::getGroupingSize() const -{ - return fImpl->getGroupingSize(); +int32_t DecimalFormat::getMinimumGroupingDigits() const { + return fields->properties->minimumGroupingDigits; } -//------------------------------------------------------------------------------ -// Gets the grouping size of the number pattern. - -void -DecimalFormat::setGroupingSize(int32_t newValue) -{ - fImpl->setGroupingSize(newValue); +void DecimalFormat::setMinimumGroupingDigits(int32_t newValue) { + if (newValue == fields->properties->minimumGroupingDigits) { return; } + fields->properties->minimumGroupingDigits = newValue; + touchNoError(); } -//------------------------------------------------------------------------------ - -int32_t -DecimalFormat::getSecondaryGroupingSize() const -{ - return fImpl->getSecondaryGroupingSize(); +UBool DecimalFormat::isDecimalSeparatorAlwaysShown(void) const { + return fields->properties->decimalSeparatorAlwaysShown; } -//------------------------------------------------------------------------------ - -void -DecimalFormat::setSecondaryGroupingSize(int32_t newValue) -{ - fImpl->setSecondaryGroupingSize(newValue); +void DecimalFormat::setDecimalSeparatorAlwaysShown(UBool newValue) { + if (UBOOL_TO_BOOL(newValue) == fields->properties->decimalSeparatorAlwaysShown) { return; } + fields->properties->decimalSeparatorAlwaysShown = newValue; + touchNoError(); } -//------------------------------------------------------------------------------ - -int32_t -DecimalFormat::getMinimumGroupingDigits() const -{ - return fImpl->getMinimumGroupingDigits(); +UBool DecimalFormat::isDecimalPatternMatchRequired(void) const { + return fields->properties->decimalPatternMatchRequired; } -//------------------------------------------------------------------------------ - -void -DecimalFormat::setMinimumGroupingDigits(int32_t newValue) -{ - fImpl->setMinimumGroupingDigits(newValue); +void DecimalFormat::setDecimalPatternMatchRequired(UBool newValue) { + if (UBOOL_TO_BOOL(newValue) == fields->properties->decimalPatternMatchRequired) { return; } + fields->properties->decimalPatternMatchRequired = newValue; + touchNoError(); } -//------------------------------------------------------------------------------ -// Checks if to show the decimal separator. - -UBool -DecimalFormat::isDecimalSeparatorAlwaysShown() const -{ - return fImpl->isDecimalSeparatorAlwaysShown(); +UBool DecimalFormat::isParseNoExponent() const { + return fields->properties->parseNoExponent; } -//------------------------------------------------------------------------------ -// Sets to always show the decimal separator. - -void -DecimalFormat::setDecimalSeparatorAlwaysShown(UBool newValue) -{ - fImpl->setDecimalSeparatorAlwaysShown(newValue); +void DecimalFormat::setParseNoExponent(UBool value) { + if (UBOOL_TO_BOOL(value) == fields->properties->parseNoExponent) { return; } + fields->properties->parseNoExponent = value; + touchNoError(); } -//------------------------------------------------------------------------------ -// Checks if decimal point pattern match is required -UBool -DecimalFormat::isDecimalPatternMatchRequired(void) const -{ - return static_cast<UBool>(fBoolFlags.contains(UNUM_PARSE_DECIMAL_MARK_REQUIRED)); +UBool DecimalFormat::isParseCaseSensitive() const { + return fields->properties->parseCaseSensitive; } -//------------------------------------------------------------------------------ -// Checks if decimal point pattern match is required - -void -DecimalFormat::setDecimalPatternMatchRequired(UBool newValue) -{ - fBoolFlags.set(UNUM_PARSE_DECIMAL_MARK_REQUIRED, newValue); +void DecimalFormat::setParseCaseSensitive(UBool value) { + if (UBOOL_TO_BOOL(value) == fields->properties->parseCaseSensitive) { return; } + fields->properties->parseCaseSensitive = value; + touchNoError(); } - -//------------------------------------------------------------------------------ -// Emits the pattern of this DecimalFormat instance. - -UnicodeString& -DecimalFormat::toPattern(UnicodeString& result) const -{ - return fImpl->toPattern(result); +UBool DecimalFormat::isFormatFailIfMoreThanMaxDigits() const { + return fields->properties->formatFailIfMoreThanMaxDigits; } -//------------------------------------------------------------------------------ -// Emits the localized pattern this DecimalFormat instance. - -UnicodeString& -DecimalFormat::toLocalizedPattern(UnicodeString& result) const -{ - // toLocalizedPattern is deprecated, so we just make it the same as - // toPattern. - return fImpl->toPattern(result); +void DecimalFormat::setFormatFailIfMoreThanMaxDigits(UBool value) { + if (UBOOL_TO_BOOL(value) == fields->properties->formatFailIfMoreThanMaxDigits) { return; } + fields->properties->formatFailIfMoreThanMaxDigits = value; + touchNoError(); } -//------------------------------------------------------------------------------ - -void -DecimalFormat::applyPattern(const UnicodeString& pattern, UErrorCode& status) -{ - if (pattern.indexOf(kCurrencySign) != -1) { - handleCurrencySignInPattern(status); +UnicodeString& DecimalFormat::toPattern(UnicodeString& result) const { + // Pull some properties from exportedProperties and others from properties + // to keep affix patterns intact. In particular, pull rounding properties + // so that CurrencyUsage is reflected properly. + // TODO: Consider putting this logic in number_patternstring.cpp instead. + ErrorCode localStatus; + DecimalFormatProperties tprops(*fields->properties); + bool useCurrency = ((!tprops.currency.isNull()) || !tprops.currencyPluralInfo.fPtr.isNull() || + !tprops.currencyUsage.isNull() || AffixUtils::hasCurrencySymbols( + tprops.positivePrefixPattern, localStatus) || AffixUtils::hasCurrencySymbols( + tprops.positiveSuffixPattern, localStatus) || AffixUtils::hasCurrencySymbols( + tprops.negativePrefixPattern, localStatus) || AffixUtils::hasCurrencySymbols( + tprops.negativeSuffixPattern, localStatus)); + if (useCurrency) { + tprops.minimumFractionDigits = fields->exportedProperties->minimumFractionDigits; + tprops.maximumFractionDigits = fields->exportedProperties->maximumFractionDigits; + tprops.roundingIncrement = fields->exportedProperties->roundingIncrement; } - fImpl->applyPattern(pattern, status); + result = PatternStringUtils::propertiesToPatternString(tprops, localStatus); + return result; } -//------------------------------------------------------------------------------ +UnicodeString& DecimalFormat::toLocalizedPattern(UnicodeString& result) const { + ErrorCode localStatus; + result = toPattern(result); + result = PatternStringUtils::convertLocalized(result, *fields->symbols, true, localStatus); + return result; +} -void -DecimalFormat::applyPattern(const UnicodeString& pattern, - UParseError& parseError, - UErrorCode& status) -{ - if (pattern.indexOf(kCurrencySign) != -1) { - handleCurrencySignInPattern(status); - } - fImpl->applyPattern(pattern, parseError, status); +void DecimalFormat::applyPattern(const UnicodeString& pattern, UParseError&, UErrorCode& status) { + // TODO: What is parseError for? + applyPattern(pattern, status); } -//------------------------------------------------------------------------------ -void -DecimalFormat::applyLocalizedPattern(const UnicodeString& pattern, UErrorCode& status) -{ - if (pattern.indexOf(kCurrencySign) != -1) { - handleCurrencySignInPattern(status); - } - fImpl->applyLocalizedPattern(pattern, status); +void DecimalFormat::applyPattern(const UnicodeString& pattern, UErrorCode& status) { + setPropertiesFromPattern(pattern, IGNORE_ROUNDING_NEVER, status); + touch(status); } -//------------------------------------------------------------------------------ +void DecimalFormat::applyLocalizedPattern(const UnicodeString& localizedPattern, UParseError&, + UErrorCode& status) { + // TODO: What is parseError for? + applyLocalizedPattern(localizedPattern, status); +} -void -DecimalFormat::applyLocalizedPattern(const UnicodeString& pattern, - UParseError& parseError, - UErrorCode& status) -{ - if (pattern.indexOf(kCurrencySign) != -1) { - handleCurrencySignInPattern(status); +void DecimalFormat::applyLocalizedPattern(const UnicodeString& localizedPattern, UErrorCode& status) { + if (U_SUCCESS(status)) { + UnicodeString pattern = PatternStringUtils::convertLocalized( + localizedPattern, *fields->symbols, false, status); + applyPattern(pattern, status); } - fImpl->applyLocalizedPattern(pattern, parseError, status); } -//------------------------------------------------------------------------------ - -/** - * Sets the maximum number of digits allowed in the integer portion of a - * number. - * @see NumberFormat#setMaximumIntegerDigits - */ void DecimalFormat::setMaximumIntegerDigits(int32_t newValue) { - newValue = _min(newValue, gDefaultMaxIntegerDigits); - NumberFormat::setMaximumIntegerDigits(newValue); - fImpl->updatePrecision(); + if (newValue == fields->properties->maximumIntegerDigits) { return; } + // For backwards compatibility, conflicting min/max need to keep the most recent setting. + int32_t min = fields->properties->minimumIntegerDigits; + if (min >= 0 && min > newValue) { + fields->properties->minimumIntegerDigits = newValue; + } + fields->properties->maximumIntegerDigits = newValue; + touchNoError(); } -/** - * Sets the minimum number of digits allowed in the integer portion of a - * number. This override limits the integer digit count to 309. - * @see NumberFormat#setMinimumIntegerDigits - */ void DecimalFormat::setMinimumIntegerDigits(int32_t newValue) { - newValue = _min(newValue, kDoubleIntegerDigits); - NumberFormat::setMinimumIntegerDigits(newValue); - fImpl->updatePrecision(); + if (newValue == fields->properties->minimumIntegerDigits) { return; } + // For backwards compatibility, conflicting min/max need to keep the most recent setting. + int32_t max = fields->properties->maximumIntegerDigits; + if (max >= 0 && max < newValue) { + fields->properties->maximumIntegerDigits = newValue; + } + fields->properties->minimumIntegerDigits = newValue; + touchNoError(); } -/** - * Sets the maximum number of digits allowed in the fraction portion of a - * number. This override limits the fraction digit count to 340. - * @see NumberFormat#setMaximumFractionDigits - */ void DecimalFormat::setMaximumFractionDigits(int32_t newValue) { - newValue = _min(newValue, kDoubleFractionDigits); - NumberFormat::setMaximumFractionDigits(newValue); - fImpl->updatePrecision(); + if (newValue == fields->properties->maximumFractionDigits) { return; } + // For backwards compatibility, conflicting min/max need to keep the most recent setting. + int32_t min = fields->properties->minimumFractionDigits; + if (min >= 0 && min > newValue) { + fields->properties->minimumFractionDigits = newValue; + } + fields->properties->maximumFractionDigits = newValue; + touchNoError(); } -/** - * Sets the minimum number of digits allowed in the fraction portion of a - * number. This override limits the fraction digit count to 340. - * @see NumberFormat#setMinimumFractionDigits - */ void DecimalFormat::setMinimumFractionDigits(int32_t newValue) { - newValue = _min(newValue, kDoubleFractionDigits); - NumberFormat::setMinimumFractionDigits(newValue); - fImpl->updatePrecision(); + if (newValue == fields->properties->minimumFractionDigits) { return; } + // For backwards compatibility, conflicting min/max need to keep the most recent setting. + int32_t max = fields->properties->maximumFractionDigits; + if (max >= 0 && max < newValue) { + fields->properties->maximumFractionDigits = newValue; + } + fields->properties->minimumFractionDigits = newValue; + touchNoError(); } int32_t DecimalFormat::getMinimumSignificantDigits() const { - return fImpl->getMinimumSignificantDigits(); + return fields->exportedProperties->minimumSignificantDigits; } int32_t DecimalFormat::getMaximumSignificantDigits() const { - return fImpl->getMaximumSignificantDigits(); + return fields->exportedProperties->maximumSignificantDigits; } -void DecimalFormat::setMinimumSignificantDigits(int32_t min) { - if (min < 1) { - min = 1; +void DecimalFormat::setMinimumSignificantDigits(int32_t value) { + if (value == fields->properties->minimumSignificantDigits) { return; } + int32_t max = fields->properties->maximumSignificantDigits; + if (max >= 0 && max < value) { + fields->properties->maximumSignificantDigits = value; } - // pin max sig dig to >= min - int32_t max = _max(fImpl->fMaxSigDigits, min); - fImpl->setMinMaxSignificantDigits(min, max); + fields->properties->minimumSignificantDigits = value; + touchNoError(); } -void DecimalFormat::setMaximumSignificantDigits(int32_t max) { - if (max < 1) { - max = 1; +void DecimalFormat::setMaximumSignificantDigits(int32_t value) { + if (value == fields->properties->maximumSignificantDigits) { return; } + int32_t min = fields->properties->minimumSignificantDigits; + if (min >= 0 && min > value) { + fields->properties->minimumSignificantDigits = value; } - // pin min sig dig to 1..max - U_ASSERT(fImpl->fMinSigDigits >= 1); - int32_t min = _min(fImpl->fMinSigDigits, max); - fImpl->setMinMaxSignificantDigits(min, max); + fields->properties->maximumSignificantDigits = value; + touchNoError(); } UBool DecimalFormat::areSignificantDigitsUsed() const { - return fImpl->areSignificantDigitsUsed(); + return fields->properties->minimumSignificantDigits != -1 || fields->properties->maximumSignificantDigits != -1; } void DecimalFormat::setSignificantDigitsUsed(UBool useSignificantDigits) { - fImpl->setSignificantDigitsUsed(useSignificantDigits); -} - -void DecimalFormat::setCurrency(const UChar* theCurrency, UErrorCode& ec) { - // set the currency before compute affixes to get the right currency names - NumberFormat::setCurrency(theCurrency, ec); - fImpl->updateCurrency(ec); -} - -void DecimalFormat::setCurrencyUsage(UCurrencyUsage newContext, UErrorCode* ec){ - fImpl->setCurrencyUsage(newContext, *ec); -} - -UCurrencyUsage DecimalFormat::getCurrencyUsage() const { - return fImpl->getCurrencyUsage(); -} - -// Deprecated variant with no UErrorCode parameter -void DecimalFormat::setCurrency(const UChar* theCurrency) { - UErrorCode ec = U_ZERO_ERROR; - setCurrency(theCurrency, ec); + // These are the default values from the old implementation. + int32_t minSig = useSignificantDigits ? 1 : -1; + int32_t maxSig = useSignificantDigits ? 6 : -1; + if (fields->properties->minimumSignificantDigits == minSig && + fields->properties->maximumSignificantDigits == maxSig) { + return; + } + fields->properties->minimumSignificantDigits = minSig; + fields->properties->maximumSignificantDigits = maxSig; + touchNoError(); } -void DecimalFormat::getEffectiveCurrency(UChar* result, UErrorCode& ec) const { - if (fImpl->fSymbols == NULL) { - ec = U_MEMORY_ALLOCATION_ERROR; +void DecimalFormat::setCurrency(const char16_t* theCurrency, UErrorCode& ec) { + CurrencyUnit currencyUnit(theCurrency, ec); + if (U_FAILURE(ec)) { return; } + if (!fields->properties->currency.isNull() && fields->properties->currency.getNoError() == currencyUnit) { return; } - ec = U_ZERO_ERROR; - const UChar* c = getCurrency(); - if (*c == 0) { - const UnicodeString &intl = - fImpl->getConstSymbol(DecimalFormatSymbols::kIntlCurrencySymbol); - c = intl.getBuffer(); // ok for intl to go out of scope - } - u_strncpy(result, c, 3); - result[3] = 0; + NumberFormat::setCurrency(theCurrency, ec); // to set field for compatibility + fields->properties->currency = currencyUnit; + // TODO: Set values in fields->symbols, too? + touchNoError(); } -Hashtable* -DecimalFormat::initHashForAffixPattern(UErrorCode& status) { - if ( U_FAILURE(status) ) { - return NULL; - } - Hashtable* hTable; - if ( (hTable = new Hashtable(TRUE, status)) == NULL ) { - status = U_MEMORY_ALLOCATION_ERROR; - return NULL; - } - if ( U_FAILURE(status) ) { - delete hTable; - return NULL; - } - hTable->setValueComparator(decimfmtAffixPatternValueComparator); - return hTable; +void DecimalFormat::setCurrency(const char16_t* theCurrency) { + ErrorCode localStatus; + setCurrency(theCurrency, localStatus); } -void -DecimalFormat::deleteHashForAffixPattern() -{ - if ( fAffixPatternsForCurrency == NULL ) { +void DecimalFormat::setCurrencyUsage(UCurrencyUsage newUsage, UErrorCode* ec) { + if (U_FAILURE(*ec)) { return; } - int32_t pos = UHASH_FIRST; - const UHashElement* element = NULL; - while ( (element = fAffixPatternsForCurrency->nextElement(pos)) != NULL ) { - const UHashTok valueTok = element->value; - const AffixPatternsForCurrency* value = (AffixPatternsForCurrency*)valueTok.pointer; - delete value; + if (!fields->properties->currencyUsage.isNull() && newUsage == fields->properties->currencyUsage.getNoError()) { + return; } - delete fAffixPatternsForCurrency; - fAffixPatternsForCurrency = NULL; + fields->properties->currencyUsage = newUsage; + touch(*ec); } - -void -DecimalFormat::copyHashForAffixPattern(const Hashtable* source, - Hashtable* target, - UErrorCode& status) { - if ( U_FAILURE(status) ) { - return; - } - int32_t pos = UHASH_FIRST; - const UHashElement* element = NULL; - if ( source ) { - while ( (element = source->nextElement(pos)) != NULL ) { - const UHashTok keyTok = element->key; - const UnicodeString* key = (UnicodeString*)keyTok.pointer; - const UHashTok valueTok = element->value; - const AffixPatternsForCurrency* value = (AffixPatternsForCurrency*)valueTok.pointer; - AffixPatternsForCurrency* copy = new AffixPatternsForCurrency( - value->negPrefixPatternForCurrency, - value->negSuffixPatternForCurrency, - value->posPrefixPatternForCurrency, - value->posSuffixPatternForCurrency, - value->patternType); - target->put(UnicodeString(*key), copy, status); - if ( U_FAILURE(status) ) { - return; - } - } +UCurrencyUsage DecimalFormat::getCurrencyUsage() const { + // CurrencyUsage is not exported, so we have to get it from the input property bag. + // TODO: Should we export CurrencyUsage instead? + if (fields->properties->currencyUsage.isNull()) { + return UCURR_USAGE_STANDARD; } + return fields->properties->currencyUsage.getNoError(); } void -DecimalFormat::setGroupingUsed(UBool newValue) { - NumberFormat::setGroupingUsed(newValue); - fImpl->updateGrouping(); +DecimalFormat::formatToDecimalQuantity(double number, DecimalQuantity& output, UErrorCode& status) const { + fields->formatter->formatDouble(number, status).getDecimalQuantity(output, status); } -void -DecimalFormat::setParseIntegerOnly(UBool newValue) { - NumberFormat::setParseIntegerOnly(newValue); +void DecimalFormat::formatToDecimalQuantity(const Formattable& number, DecimalQuantity& output, + UErrorCode& status) const { + UFormattedNumberData obj; + number.populateDecimalQuantity(obj.quantity, status); + fields->formatter->formatImpl(&obj, status); + output = std::move(obj.quantity); } -void -DecimalFormat::setContext(UDisplayContext value, UErrorCode& status) { - NumberFormat::setContext(value, status); +const number::LocalizedNumberFormatter& DecimalFormat::toNumberFormatter() const { + return *fields->formatter; } -DecimalFormat& DecimalFormat::setAttribute( UNumberFormatAttribute attr, - int32_t newValue, - UErrorCode &status) { - if(U_FAILURE(status)) return *this; - - switch(attr) { - case UNUM_LENIENT_PARSE: - setLenient(newValue!=0); - break; - - case UNUM_PARSE_INT_ONLY: - setParseIntegerOnly(newValue!=0); - break; - - case UNUM_GROUPING_USED: - setGroupingUsed(newValue!=0); - break; - - case UNUM_DECIMAL_ALWAYS_SHOWN: - setDecimalSeparatorAlwaysShown(newValue!=0); - break; - - case UNUM_MAX_INTEGER_DIGITS: - setMaximumIntegerDigits(newValue); - break; - - case UNUM_MIN_INTEGER_DIGITS: - setMinimumIntegerDigits(newValue); - break; - - case UNUM_INTEGER_DIGITS: - setMinimumIntegerDigits(newValue); - setMaximumIntegerDigits(newValue); - break; - - case UNUM_MAX_FRACTION_DIGITS: - setMaximumFractionDigits(newValue); - break; - - case UNUM_MIN_FRACTION_DIGITS: - setMinimumFractionDigits(newValue); - break; - - case UNUM_FRACTION_DIGITS: - setMinimumFractionDigits(newValue); - setMaximumFractionDigits(newValue); - break; - - case UNUM_SIGNIFICANT_DIGITS_USED: - setSignificantDigitsUsed(newValue!=0); - break; - - case UNUM_MAX_SIGNIFICANT_DIGITS: - setMaximumSignificantDigits(newValue); - break; - - case UNUM_MIN_SIGNIFICANT_DIGITS: - setMinimumSignificantDigits(newValue); - break; - - case UNUM_MULTIPLIER: - setMultiplier(newValue); - break; - - case UNUM_GROUPING_SIZE: - setGroupingSize(newValue); - break; - - case UNUM_ROUNDING_MODE: - setRoundingMode((DecimalFormat::ERoundingMode)newValue); - break; - - case UNUM_FORMAT_WIDTH: - setFormatWidth(newValue); - break; - - case UNUM_PADDING_POSITION: - /** The position at which padding will take place. */ - setPadPosition((DecimalFormat::EPadPosition)newValue); - break; - - case UNUM_SECONDARY_GROUPING_SIZE: - setSecondaryGroupingSize(newValue); - break; - -#if UCONFIG_HAVE_PARSEALLINPUT - case UNUM_PARSE_ALL_INPUT: - setParseAllInput((UNumberFormatAttributeValue)newValue); - break; -#endif +/** Rebuilds the formatter object from the property bag. */ +void DecimalFormat::touch(UErrorCode& status) { + if (fields->exportedProperties == nullptr) { + // fields->exportedProperties is null only when the formatter is not ready yet. + // The only time when this happens is during legacy deserialization. + return; + } - /* These are stored in fBoolFlags */ - case UNUM_PARSE_NO_EXPONENT: - case UNUM_FORMAT_FAIL_IF_MORE_THAN_MAX_DIGITS: - case UNUM_PARSE_DECIMAL_MARK_REQUIRED: - if(!fBoolFlags.isValidValue(newValue)) { - status = U_ILLEGAL_ARGUMENT_ERROR; - } else { - if (attr == UNUM_FORMAT_FAIL_IF_MORE_THAN_MAX_DIGITS) { - fImpl->setFailIfMoreThanMaxDigits((UBool) newValue); - } - fBoolFlags.set(attr, newValue); - } - break; + // In C++, fields->symbols is the source of truth for the locale. + Locale locale = fields->symbols->getLocale(); - case UNUM_SCALE: - fImpl->setScale(newValue); - break; + // Note: The formatter is relatively cheap to create, and we need it to populate fields->exportedProperties, + // so automatically compute it here. The parser is a bit more expensive and is not needed until the + // parse method is called, so defer that until needed. + // TODO: Only update the pieces that changed instead of re-computing the whole formatter? + fields->formatter.adoptInstead( + new LocalizedNumberFormatter( + NumberPropertyMapper::create( + *fields->properties, *fields->symbols, fields->warehouse, *fields->exportedProperties, status).locale( + locale))); - case UNUM_CURRENCY_USAGE: - setCurrencyUsage((UCurrencyUsage)newValue, &status); - break; + // Do this after fields->exportedProperties are set up + setupFastFormat(); - case UNUM_MINIMUM_GROUPING_DIGITS: - setMinimumGroupingDigits(newValue); - break; + // Delete the parsers if they were made previously + delete fields->atomicParser.exchange(nullptr); + delete fields->atomicCurrencyParser.exchange(nullptr); - default: - status = U_UNSUPPORTED_ERROR; - break; - } - return *this; + // In order for the getters to work, we need to populate some fields in NumberFormat. + NumberFormat::setCurrency(fields->exportedProperties->currency.get(status).getISOCurrency(), status); + NumberFormat::setMaximumIntegerDigits(fields->exportedProperties->maximumIntegerDigits); + NumberFormat::setMinimumIntegerDigits(fields->exportedProperties->minimumIntegerDigits); + NumberFormat::setMaximumFractionDigits(fields->exportedProperties->maximumFractionDigits); + NumberFormat::setMinimumFractionDigits(fields->exportedProperties->minimumFractionDigits); + // fImpl->properties, not fields->exportedProperties, since this information comes from the pattern: + NumberFormat::setGroupingUsed(fields->properties->groupingUsed); } -int32_t DecimalFormat::getAttribute( UNumberFormatAttribute attr, - UErrorCode &status ) const { - if(U_FAILURE(status)) return -1; - switch(attr) { - case UNUM_LENIENT_PARSE: - return isLenient(); - - case UNUM_PARSE_INT_ONLY: - return isParseIntegerOnly(); - - case UNUM_GROUPING_USED: - return isGroupingUsed(); - - case UNUM_DECIMAL_ALWAYS_SHOWN: - return isDecimalSeparatorAlwaysShown(); +void DecimalFormat::touchNoError() { + UErrorCode localStatus = U_ZERO_ERROR; + touch(localStatus); +} - case UNUM_MAX_INTEGER_DIGITS: - return getMaximumIntegerDigits(); +void DecimalFormat::setPropertiesFromPattern(const UnicodeString& pattern, int32_t ignoreRounding, + UErrorCode& status) { + if (U_SUCCESS(status)) { + // Cast workaround to get around putting the enum in the public header file + auto actualIgnoreRounding = static_cast<IgnoreRounding>(ignoreRounding); + PatternParser::parseToExistingProperties(pattern, *fields->properties, actualIgnoreRounding, status); + } +} - case UNUM_MIN_INTEGER_DIGITS: - return getMinimumIntegerDigits(); +const numparse::impl::NumberParserImpl* DecimalFormat::getParser(UErrorCode& status) const { + if (U_FAILURE(status)) { return nullptr; } - case UNUM_INTEGER_DIGITS: - // TBD: what should this return? - return getMinimumIntegerDigits(); + // First try to get the pre-computed parser + auto* ptr = fields->atomicParser.load(); + if (ptr != nullptr) { + return ptr; + } - case UNUM_MAX_FRACTION_DIGITS: - return getMaximumFractionDigits(); + // Try computing the parser on our own + auto* temp = NumberParserImpl::createParserFromProperties(*fields->properties, *fields->symbols, false, status); + if (temp == nullptr) { + status = U_MEMORY_ALLOCATION_ERROR; + // although we may still dereference, call sites should be guarded + } - case UNUM_MIN_FRACTION_DIGITS: - return getMinimumFractionDigits(); + // Note: ptr starts as nullptr; during compare_exchange, it is set to what is actually stored in the + // atomic if another thread beat us to computing the parser object. + auto* nonConstThis = const_cast<DecimalFormat*>(this); + if (!nonConstThis->fields->atomicParser.compare_exchange_strong(ptr, temp)) { + // Another thread beat us to computing the parser + delete temp; + return ptr; + } else { + // Our copy of the parser got stored in the atomic + return temp; + } +} - case UNUM_FRACTION_DIGITS: - // TBD: what should this return? - return getMinimumFractionDigits(); +const numparse::impl::NumberParserImpl* DecimalFormat::getCurrencyParser(UErrorCode& status) const { + if (U_FAILURE(status)) { return nullptr; } - case UNUM_SIGNIFICANT_DIGITS_USED: - return areSignificantDigitsUsed(); + // First try to get the pre-computed parser + auto* ptr = fields->atomicCurrencyParser.load(); + if (ptr != nullptr) { + return ptr; + } - case UNUM_MAX_SIGNIFICANT_DIGITS: - return getMaximumSignificantDigits(); + // Try computing the parser on our own + auto* temp = NumberParserImpl::createParserFromProperties(*fields->properties, *fields->symbols, true, status); + if (temp == nullptr) { + status = U_MEMORY_ALLOCATION_ERROR; + // although we may still dereference, call sites should be guarded + } - case UNUM_MIN_SIGNIFICANT_DIGITS: - return getMinimumSignificantDigits(); + // Note: ptr starts as nullptr; during compare_exchange, it is set to what is actually stored in the + // atomic if another thread beat us to computing the parser object. + auto* nonConstThis = const_cast<DecimalFormat*>(this); + if (!nonConstThis->fields->atomicCurrencyParser.compare_exchange_strong(ptr, temp)) { + // Another thread beat us to computing the parser + delete temp; + return ptr; + } else { + // Our copy of the parser got stored in the atomic + return temp; + } +} - case UNUM_MULTIPLIER: - return getMultiplier(); +void +DecimalFormat::fieldPositionHelper(const number::FormattedNumber& formatted, FieldPosition& fieldPosition, + int32_t offset, UErrorCode& status) { + // always return first occurrence: + fieldPosition.setBeginIndex(0); + fieldPosition.setEndIndex(0); + bool found = formatted.nextFieldPosition(fieldPosition, status); + if (found && offset != 0) { + FieldPositionOnlyHandler fpoh(fieldPosition); + fpoh.shiftLast(offset); + } +} - case UNUM_GROUPING_SIZE: - return getGroupingSize(); +void +DecimalFormat::fieldPositionIteratorHelper(const number::FormattedNumber& formatted, FieldPositionIterator* fpi, + int32_t offset, UErrorCode& status) { + if (fpi != nullptr) { + FieldPositionIteratorHandler fpih(fpi, status); + fpih.setShift(offset); + formatted.getAllFieldPositionsImpl(fpih, status); + } +} - case UNUM_ROUNDING_MODE: - return getRoundingMode(); +// To debug fast-format, change void(x) to printf(x) +#define trace(x) void(x) - case UNUM_FORMAT_WIDTH: - return getFormatWidth(); +void DecimalFormat::setupFastFormat() { + // Check the majority of properties: + if (!fields->properties->equalsDefaultExceptFastFormat()) { + trace("no fast format: equality\n"); + fields->canUseFastFormat = false; + return; + } - case UNUM_PADDING_POSITION: - return getPadPosition(); + // Now check the remaining properties. + // Nontrivial affixes: + UBool trivialPP = fields->properties->positivePrefixPattern.isEmpty(); + UBool trivialPS = fields->properties->positiveSuffixPattern.isEmpty(); + UBool trivialNP = fields->properties->negativePrefixPattern.isBogus() || ( + fields->properties->negativePrefixPattern.length() == 1 && + fields->properties->negativePrefixPattern.charAt(0) == u'-'); + UBool trivialNS = fields->properties->negativeSuffixPattern.isEmpty(); + if (!trivialPP || !trivialPS || !trivialNP || !trivialNS) { + trace("no fast format: affixes\n"); + fields->canUseFastFormat = false; + return; + } - case UNUM_SECONDARY_GROUPING_SIZE: - return getSecondaryGroupingSize(); + // Grouping (secondary grouping is forbidden in equalsDefaultExceptFastFormat): + bool groupingUsed = fields->properties->groupingUsed; + int32_t groupingSize = fields->properties->groupingSize; + bool unusualGroupingSize = groupingSize > 0 && groupingSize != 3; + const UnicodeString& groupingString = fields->symbols->getConstSymbol(DecimalFormatSymbols::kGroupingSeparatorSymbol); + if (groupingUsed && (unusualGroupingSize || groupingString.length() != 1)) { + trace("no fast format: grouping\n"); + fields->canUseFastFormat = false; + return; + } - /* These are stored in fBoolFlags */ - case UNUM_PARSE_NO_EXPONENT: - case UNUM_FORMAT_FAIL_IF_MORE_THAN_MAX_DIGITS: - case UNUM_PARSE_DECIMAL_MARK_REQUIRED: - return fBoolFlags.get(attr); + // Integer length: + int32_t minInt = fields->exportedProperties->minimumIntegerDigits; + int32_t maxInt = fields->exportedProperties->maximumIntegerDigits; + // Fastpath supports up to only 10 digits (length of INT32_MIN) + if (minInt > 10) { + trace("no fast format: integer\n"); + fields->canUseFastFormat = false; + return; + } - case UNUM_SCALE: - return fImpl->fScale; + // Fraction length (no fraction part allowed in fast path): + int32_t minFrac = fields->exportedProperties->minimumFractionDigits; + if (minFrac > 0) { + trace("no fast format: fraction\n"); + fields->canUseFastFormat = false; + return; + } - case UNUM_CURRENCY_USAGE: - return fImpl->getCurrencyUsage(); + // Other symbols: + const UnicodeString& minusSignString = fields->symbols->getConstSymbol(DecimalFormatSymbols::kMinusSignSymbol); + UChar32 codePointZero = fields->symbols->getCodePointZero(); + if (minusSignString.length() != 1 || U16_LENGTH(codePointZero) != 1) { + trace("no fast format: symbols\n"); + fields->canUseFastFormat = false; + return; + } - case UNUM_MINIMUM_GROUPING_DIGITS: - return getMinimumGroupingDigits(); + // Good to go! + trace("can use fast format!\n"); + fields->canUseFastFormat = true; + fields->fastData.cpZero = static_cast<char16_t>(codePointZero); + fields->fastData.cpGroupingSeparator = groupingUsed && groupingSize == 3 ? groupingString.charAt(0) : 0; + fields->fastData.cpMinusSign = minusSignString.charAt(0); + fields->fastData.minInt = (minInt < 0 || minInt > 127) ? 0 : static_cast<int8_t>(minInt); + fields->fastData.maxInt = (maxInt < 0 || maxInt > 127) ? 127 : static_cast<int8_t>(maxInt); +} - default: - status = U_UNSUPPORTED_ERROR; - break; - } +bool DecimalFormat::fastFormatDouble(double input, UnicodeString& output) const { + if (!fields->canUseFastFormat) { + return false; + } + if (std::isnan(input) + || std::trunc(input) != input + || input <= INT32_MIN + || input > INT32_MAX) { + return false; + } + doFastFormatInt32(static_cast<int32_t>(input), std::signbit(input), output); + return true; +} - return -1; /* undefined */ +bool DecimalFormat::fastFormatInt64(int64_t input, UnicodeString& output) const { + if (!fields->canUseFastFormat) { + return false; + } + if (input <= INT32_MIN || input > INT32_MAX) { + return false; + } + doFastFormatInt32(static_cast<int32_t>(input), input < 0, output); + return true; } -#if UCONFIG_HAVE_PARSEALLINPUT -void DecimalFormat::setParseAllInput(UNumberFormatAttributeValue value) { - fParseAllInput = value; +void DecimalFormat::doFastFormatInt32(int32_t input, bool isNegative, UnicodeString& output) const { + U_ASSERT(fields->canUseFastFormat); + if (isNegative) { + output.append(fields->fastData.cpMinusSign); + U_ASSERT(input != INT32_MIN); // handled by callers + input = -input; + } + // Cap at int32_t to make the buffer small and operations fast. + // Longest string: "2,147,483,648" (13 chars in length) + static constexpr int32_t localCapacity = 13; + char16_t localBuffer[localCapacity]; + char16_t* ptr = localBuffer + localCapacity; + int8_t group = 0; + for (int8_t i = 0; i < fields->fastData.maxInt && (input != 0 || i < fields->fastData.minInt); i++) { + if (group++ == 3 && fields->fastData.cpGroupingSeparator != 0) { + *(--ptr) = fields->fastData.cpGroupingSeparator; + group = 1; + } + std::div_t res = std::div(input, 10); + *(--ptr) = static_cast<char16_t>(fields->fastData.cpZero + res.rem); + input = res.quot; + } + int32_t len = localCapacity - static_cast<int32_t>(ptr - localBuffer); + output.append(ptr, len); } -#endif -U_NAMESPACE_END #endif /* #if !UCONFIG_NO_FORMATTING */ - -//eof |