diff options
Diffstat (limited to 'intl/icu/source/i18n/unum.cpp')
| -rw-r--r-- | intl/icu/source/i18n/unum.cpp | 988 |
1 files changed, 988 insertions, 0 deletions
diff --git a/intl/icu/source/i18n/unum.cpp b/intl/icu/source/i18n/unum.cpp new file mode 100644 index 0000000000..11a7bcba57 --- /dev/null +++ b/intl/icu/source/i18n/unum.cpp @@ -0,0 +1,988 @@ +// © 2016 and later: Unicode, Inc. and others. +// License & terms of use: http://www.unicode.org/copyright.html +/* +******************************************************************************* +* Copyright (C) 1996-2015, International Business Machines +* Corporation and others. All Rights Reserved. +******************************************************************************* +* Modification History: +* +* Date Name Description +* 06/24/99 helena Integrated Alan's NF enhancements and Java2 bug fixes +******************************************************************************* +*/ + +#include "unicode/utypes.h" + +#if !UCONFIG_NO_FORMATTING + +#include "unicode/unum.h" + +#include "unicode/uloc.h" +#include "unicode/numfmt.h" +#include "unicode/decimfmt.h" +#include "unicode/rbnf.h" +#include "unicode/compactdecimalformat.h" +#include "unicode/ustring.h" +#include "unicode/fmtable.h" +#include "unicode/dcfmtsym.h" +#include "unicode/curramt.h" +#include "unicode/localpointer.h" +#include "unicode/udisplaycontext.h" +#include "uassert.h" +#include "cpputils.h" +#include "cstring.h" + + +U_NAMESPACE_USE + + +U_CAPI UNumberFormat* U_EXPORT2 +unum_open( UNumberFormatStyle style, + const char16_t* pattern, + int32_t patternLength, + const char* locale, + UParseError* parseErr, + UErrorCode* status) { + if(U_FAILURE(*status)) { + return nullptr; + } + + NumberFormat *retVal = nullptr; + + switch(style) { + case UNUM_DECIMAL: + case UNUM_CURRENCY: + case UNUM_PERCENT: + case UNUM_SCIENTIFIC: + case UNUM_CURRENCY_ISO: + case UNUM_CURRENCY_PLURAL: + case UNUM_CURRENCY_ACCOUNTING: + case UNUM_CASH_CURRENCY: + case UNUM_CURRENCY_STANDARD: + retVal = NumberFormat::createInstance(Locale(locale), style, *status); + break; + + case UNUM_PATTERN_DECIMAL: { + UParseError tErr; + /* UnicodeString can handle the case when patternLength = -1. */ + const UnicodeString pat(pattern, patternLength); + + if(parseErr==nullptr){ + parseErr = &tErr; + } + + DecimalFormatSymbols *syms = new DecimalFormatSymbols(Locale(locale), *status); + if(syms == nullptr) { + *status = U_MEMORY_ALLOCATION_ERROR; + return nullptr; + } + if (U_FAILURE(*status)) { + delete syms; + return nullptr; + } + + retVal = new DecimalFormat(pat, syms, *parseErr, *status); + if(retVal == nullptr) { + delete syms; + } + } break; + +#if U_HAVE_RBNF + case UNUM_PATTERN_RULEBASED: { + UParseError tErr; + /* UnicodeString can handle the case when patternLength = -1. */ + const UnicodeString pat(pattern, patternLength); + + if(parseErr==nullptr){ + parseErr = &tErr; + } + + retVal = new RuleBasedNumberFormat(pat, Locale(locale), *parseErr, *status); + } break; + + case UNUM_SPELLOUT: + retVal = new RuleBasedNumberFormat(URBNF_SPELLOUT, Locale(locale), *status); + break; + + case UNUM_ORDINAL: + retVal = new RuleBasedNumberFormat(URBNF_ORDINAL, Locale(locale), *status); + break; + + case UNUM_DURATION: + retVal = new RuleBasedNumberFormat(URBNF_DURATION, Locale(locale), *status); + break; + + case UNUM_NUMBERING_SYSTEM: { + // if the locale ID specifies a numbering system, go through NumberFormat::createInstance() + // to handle it properly (we have to specify UNUM_DEFAULT to get it to handle the numbering + // system, but we'll always get a RuleBasedNumberFormat back); otherwise, just go ahead and + // create a RuleBasedNumberFormat ourselves + UErrorCode localErr = U_ZERO_ERROR; + Locale localeObj(locale); + int32_t keywordLength = localeObj.getKeywordValue("numbers", nullptr, 0, localErr); + if (keywordLength > 0) { + retVal = NumberFormat::createInstance(localeObj, UNUM_DEFAULT, *status); + } else { + retVal = new RuleBasedNumberFormat(URBNF_NUMBERING_SYSTEM, localeObj, *status); + } + } break; +#endif + + case UNUM_DECIMAL_COMPACT_SHORT: + retVal = CompactDecimalFormat::createInstance(Locale(locale), UNUM_SHORT, *status); + break; + + case UNUM_DECIMAL_COMPACT_LONG: + retVal = CompactDecimalFormat::createInstance(Locale(locale), UNUM_LONG, *status); + break; + + default: + *status = U_UNSUPPORTED_ERROR; + return nullptr; + } + + if(retVal == nullptr && U_SUCCESS(*status)) { + *status = U_MEMORY_ALLOCATION_ERROR; + } + + if (U_FAILURE(*status) && retVal != nullptr) { + delete retVal; + retVal = nullptr; + } + + return reinterpret_cast<UNumberFormat *>(retVal); +} + +U_CAPI void U_EXPORT2 +unum_close(UNumberFormat* fmt) +{ + delete (NumberFormat*) fmt; +} + +U_CAPI UNumberFormat* U_EXPORT2 +unum_clone(const UNumberFormat *fmt, + UErrorCode *status) +{ + if(U_FAILURE(*status)) + return 0; + + Format *res = 0; + const NumberFormat* nf = reinterpret_cast<const NumberFormat*>(fmt); + const DecimalFormat* df = dynamic_cast<const DecimalFormat*>(nf); + if (df != nullptr) { + res = df->clone(); + } else { + const RuleBasedNumberFormat* rbnf = dynamic_cast<const RuleBasedNumberFormat*>(nf); + U_ASSERT(rbnf != nullptr); + res = rbnf->clone(); + } + + if(res == 0) { + *status = U_MEMORY_ALLOCATION_ERROR; + return 0; + } + + return (UNumberFormat*) res; +} + +U_CAPI int32_t U_EXPORT2 +unum_format( const UNumberFormat* fmt, + int32_t number, + char16_t* result, + int32_t resultLength, + UFieldPosition *pos, + UErrorCode* status) +{ + return unum_formatInt64(fmt, number, result, resultLength, pos, status); +} + +U_CAPI int32_t U_EXPORT2 +unum_formatInt64(const UNumberFormat* fmt, + int64_t number, + char16_t* result, + int32_t resultLength, + UFieldPosition *pos, + UErrorCode* status) +{ + if(U_FAILURE(*status)) + return -1; + + UnicodeString res; + if(!(result==nullptr && resultLength==0)) { + // nullptr destination for pure preflighting: empty dummy string + // otherwise, alias the destination buffer + res.setTo(result, 0, resultLength); + } + + FieldPosition fp; + + if(pos != 0) + fp.setField(pos->field); + + ((const NumberFormat*)fmt)->format(number, res, fp, *status); + + if(pos != 0) { + pos->beginIndex = fp.getBeginIndex(); + pos->endIndex = fp.getEndIndex(); + } + + return res.extract(result, resultLength, *status); +} + +U_CAPI int32_t U_EXPORT2 +unum_formatDouble( const UNumberFormat* fmt, + double number, + char16_t* result, + int32_t resultLength, + UFieldPosition *pos, /* 0 if ignore */ + UErrorCode* status) +{ + + if(U_FAILURE(*status)) return -1; + + UnicodeString res; + if(!(result==nullptr && resultLength==0)) { + // nullptr destination for pure preflighting: empty dummy string + // otherwise, alias the destination buffer + res.setTo(result, 0, resultLength); + } + + FieldPosition fp; + + if(pos != 0) + fp.setField(pos->field); + + ((const NumberFormat*)fmt)->format(number, res, fp, *status); + + if(pos != 0) { + pos->beginIndex = fp.getBeginIndex(); + pos->endIndex = fp.getEndIndex(); + } + + return res.extract(result, resultLength, *status); +} + +U_CAPI int32_t U_EXPORT2 +unum_formatDoubleForFields(const UNumberFormat* format, + double number, + char16_t* result, + int32_t resultLength, + UFieldPositionIterator* fpositer, + UErrorCode* status) +{ + if (U_FAILURE(*status)) + return -1; + + if (result == nullptr ? resultLength != 0 : resultLength < 0) { + *status = U_ILLEGAL_ARGUMENT_ERROR; + return -1; + } + + UnicodeString res; + if (result != nullptr) { + // nullptr destination for pure preflighting: empty dummy string + // otherwise, alias the destination buffer + res.setTo(result, 0, resultLength); + } + + ((const NumberFormat*)format)->format(number, res, (FieldPositionIterator*)fpositer, *status); + + return res.extract(result, resultLength, *status); +} + +U_CAPI int32_t U_EXPORT2 +unum_formatDecimal(const UNumberFormat* fmt, + const char * number, + int32_t length, + char16_t* result, + int32_t resultLength, + UFieldPosition *pos, /* 0 if ignore */ + UErrorCode* status) { + + if(U_FAILURE(*status)) { + return -1; + } + if ((result == nullptr && resultLength != 0) || resultLength < 0) { + *status = U_ILLEGAL_ARGUMENT_ERROR; + return -1; + } + + FieldPosition fp; + if(pos != 0) { + fp.setField(pos->field); + } + + if (length < 0) { + length = static_cast<int32_t>(uprv_strlen(number)); + } + StringPiece numSP(number, length); + Formattable numFmtbl(numSP, *status); + + UnicodeString resultStr; + if (resultLength > 0) { + // Alias the destination buffer. + resultStr.setTo(result, 0, resultLength); + } + ((const NumberFormat*)fmt)->format(numFmtbl, resultStr, fp, *status); + if(pos != 0) { + pos->beginIndex = fp.getBeginIndex(); + pos->endIndex = fp.getEndIndex(); + } + return resultStr.extract(result, resultLength, *status); +} + + + + +U_CAPI int32_t U_EXPORT2 +unum_formatDoubleCurrency(const UNumberFormat* fmt, + double number, + char16_t* currency, + char16_t* result, + int32_t resultLength, + UFieldPosition* pos, /* ignored if 0 */ + UErrorCode* status) { + if (U_FAILURE(*status)) return -1; + + UnicodeString res; + if (!(result==nullptr && resultLength==0)) { + // nullptr destination for pure preflighting: empty dummy string + // otherwise, alias the destination buffer + res.setTo(result, 0, resultLength); + } + + FieldPosition fp; + if (pos != 0) { + fp.setField(pos->field); + } + CurrencyAmount *tempCurrAmnt = new CurrencyAmount(number, currency, *status); + // Check for null pointer. + if (tempCurrAmnt == nullptr) { + *status = U_MEMORY_ALLOCATION_ERROR; + return -1; + } + Formattable n(tempCurrAmnt); + ((const NumberFormat*)fmt)->format(n, res, fp, *status); + + if (pos != 0) { + pos->beginIndex = fp.getBeginIndex(); + pos->endIndex = fp.getEndIndex(); + } + + return res.extract(result, resultLength, *status); +} + +static void +parseRes(Formattable& res, + const UNumberFormat* fmt, + const char16_t* text, + int32_t textLength, + int32_t *parsePos /* 0 = start */, + UErrorCode *status) +{ + if(U_FAILURE(*status)) + return; + + const UnicodeString src((UBool)(textLength == -1), text, textLength); + ParsePosition pp; + + if(parsePos != 0) + pp.setIndex(*parsePos); + + ((const NumberFormat*)fmt)->parse(src, res, pp); + + if(pp.getErrorIndex() != -1) { + *status = U_PARSE_ERROR; + if(parsePos != 0) { + *parsePos = pp.getErrorIndex(); + } + } else if(parsePos != 0) { + *parsePos = pp.getIndex(); + } +} + +U_CAPI int32_t U_EXPORT2 +unum_parse( const UNumberFormat* fmt, + const char16_t* text, + int32_t textLength, + int32_t *parsePos /* 0 = start */, + UErrorCode *status) +{ + Formattable res; + parseRes(res, fmt, text, textLength, parsePos, status); + return res.getLong(*status); +} + +U_CAPI int64_t U_EXPORT2 +unum_parseInt64( const UNumberFormat* fmt, + const char16_t* text, + int32_t textLength, + int32_t *parsePos /* 0 = start */, + UErrorCode *status) +{ + Formattable res; + parseRes(res, fmt, text, textLength, parsePos, status); + return res.getInt64(*status); +} + +U_CAPI double U_EXPORT2 +unum_parseDouble( const UNumberFormat* fmt, + const char16_t* text, + int32_t textLength, + int32_t *parsePos /* 0 = start */, + UErrorCode *status) +{ + Formattable res; + parseRes(res, fmt, text, textLength, parsePos, status); + return res.getDouble(*status); +} + +U_CAPI int32_t U_EXPORT2 +unum_parseDecimal(const UNumberFormat* fmt, + const char16_t* text, + int32_t textLength, + int32_t *parsePos /* 0 = start */, + char *outBuf, + int32_t outBufLength, + UErrorCode *status) +{ + if (U_FAILURE(*status)) { + return -1; + } + if ((outBuf == nullptr && outBufLength != 0) || outBufLength < 0) { + *status = U_ILLEGAL_ARGUMENT_ERROR; + return -1; + } + Formattable res; + parseRes(res, fmt, text, textLength, parsePos, status); + StringPiece sp = res.getDecimalNumber(*status); + if (U_FAILURE(*status)) { + return -1; + } else if (sp.size() > outBufLength) { + *status = U_BUFFER_OVERFLOW_ERROR; + } else if (sp.size() == outBufLength) { + uprv_strncpy(outBuf, sp.data(), sp.size()); + *status = U_STRING_NOT_TERMINATED_WARNING; + } else { + U_ASSERT(outBufLength > 0); + uprv_strcpy(outBuf, sp.data()); + } + return sp.size(); +} + +U_CAPI double U_EXPORT2 +unum_parseDoubleCurrency(const UNumberFormat* fmt, + const char16_t* text, + int32_t textLength, + int32_t* parsePos, /* 0 = start */ + char16_t* currency, + UErrorCode* status) { + double doubleVal = 0.0; + currency[0] = 0; + if (U_FAILURE(*status)) { + return doubleVal; + } + const UnicodeString src((UBool)(textLength == -1), text, textLength); + ParsePosition pp; + if (parsePos != nullptr) { + pp.setIndex(*parsePos); + } + *status = U_PARSE_ERROR; // assume failure, reset if succeed + LocalPointer<CurrencyAmount> currAmt(((const NumberFormat*)fmt)->parseCurrency(src, pp)); + if (pp.getErrorIndex() != -1) { + if (parsePos != nullptr) { + *parsePos = pp.getErrorIndex(); + } + } else { + if (parsePos != nullptr) { + *parsePos = pp.getIndex(); + } + if (pp.getIndex() > 0) { + *status = U_ZERO_ERROR; + u_strcpy(currency, currAmt->getISOCurrency()); + doubleVal = currAmt->getNumber().getDouble(*status); + } + } + return doubleVal; +} + +U_CAPI const char* U_EXPORT2 +unum_getAvailable(int32_t index) +{ + return uloc_getAvailable(index); +} + +U_CAPI int32_t U_EXPORT2 +unum_countAvailable() +{ + return uloc_countAvailable(); +} + +U_CAPI bool U_EXPORT2 +unum_hasAttribute(const UNumberFormat* fmt, + UNumberFormatAttribute attr) +{ + const NumberFormat* nf = reinterpret_cast<const NumberFormat*>(fmt); + bool isDecimalFormat = dynamic_cast<const DecimalFormat*>(nf) != nullptr; + + switch (attr) { + case UNUM_LENIENT_PARSE: + case UNUM_MAX_INTEGER_DIGITS: + case UNUM_MIN_INTEGER_DIGITS: + case UNUM_INTEGER_DIGITS: + case UNUM_MAX_FRACTION_DIGITS: + case UNUM_MIN_FRACTION_DIGITS: + case UNUM_FRACTION_DIGITS: + case UNUM_ROUNDING_MODE: + return true; + default: + return isDecimalFormat; + } +} + +U_CAPI int32_t U_EXPORT2 +unum_getAttribute(const UNumberFormat* fmt, + UNumberFormatAttribute attr) +{ + const NumberFormat* nf = reinterpret_cast<const NumberFormat*>(fmt); + if (attr == UNUM_LENIENT_PARSE) { + // Supported for all subclasses + return nf->isLenient(); + } + else if (attr == UNUM_MAX_INTEGER_DIGITS) { + return nf->getMaximumIntegerDigits(); + } + else if (attr == UNUM_MIN_INTEGER_DIGITS) { + return nf->getMinimumIntegerDigits(); + } + else if (attr == UNUM_INTEGER_DIGITS) { + // TODO: what should this return? + return nf->getMinimumIntegerDigits(); + } + else if (attr == UNUM_MAX_FRACTION_DIGITS) { + return nf->getMaximumFractionDigits(); + } + else if (attr == UNUM_MIN_FRACTION_DIGITS) { + return nf->getMinimumFractionDigits(); + } + else if (attr == UNUM_FRACTION_DIGITS) { + // TODO: what should this return? + return nf->getMinimumFractionDigits(); + } + else if (attr == UNUM_ROUNDING_MODE) { + return nf->getRoundingMode(); + } + + // The remaining attributes are only supported for DecimalFormat + const DecimalFormat* df = dynamic_cast<const DecimalFormat*>(nf); + if (df != nullptr) { + UErrorCode ignoredStatus = U_ZERO_ERROR; + return df->getAttribute(attr, ignoredStatus); + } + + return -1; +} + +U_CAPI void U_EXPORT2 +unum_setAttribute( UNumberFormat* fmt, + UNumberFormatAttribute attr, + int32_t newValue) +{ + NumberFormat* nf = reinterpret_cast<NumberFormat*>(fmt); + if (attr == UNUM_LENIENT_PARSE) { + // Supported for all subclasses + // keep this here as the class may not be a DecimalFormat + return nf->setLenient(newValue != 0); + } + else if (attr == UNUM_MAX_INTEGER_DIGITS) { + return nf->setMaximumIntegerDigits(newValue); + } + else if (attr == UNUM_MIN_INTEGER_DIGITS) { + return nf->setMinimumIntegerDigits(newValue); + } + else if (attr == UNUM_INTEGER_DIGITS) { + nf->setMinimumIntegerDigits(newValue); + return nf->setMaximumIntegerDigits(newValue); + } + else if (attr == UNUM_MAX_FRACTION_DIGITS) { + return nf->setMaximumFractionDigits(newValue); + } + else if (attr == UNUM_MIN_FRACTION_DIGITS) { + return nf->setMinimumFractionDigits(newValue); + } + else if (attr == UNUM_FRACTION_DIGITS) { + nf->setMinimumFractionDigits(newValue); + return nf->setMaximumFractionDigits(newValue); + } + else if (attr == UNUM_ROUNDING_MODE) { + return nf->setRoundingMode((NumberFormat::ERoundingMode)newValue); + } + + // The remaining attributes are only supported for DecimalFormat + DecimalFormat* df = dynamic_cast<DecimalFormat*>(nf); + if (df != nullptr) { + UErrorCode ignoredStatus = U_ZERO_ERROR; + df->setAttribute(attr, newValue, ignoredStatus); + } +} + +U_CAPI double U_EXPORT2 +unum_getDoubleAttribute(const UNumberFormat* fmt, + UNumberFormatAttribute attr) +{ + const NumberFormat* nf = reinterpret_cast<const NumberFormat*>(fmt); + const DecimalFormat* df = dynamic_cast<const DecimalFormat*>(nf); + if (df != nullptr && attr == UNUM_ROUNDING_INCREMENT) { + return df->getRoundingIncrement(); + } else { + return -1.0; + } +} + +U_CAPI void U_EXPORT2 +unum_setDoubleAttribute( UNumberFormat* fmt, + UNumberFormatAttribute attr, + double newValue) +{ + NumberFormat* nf = reinterpret_cast<NumberFormat*>(fmt); + DecimalFormat* df = dynamic_cast<DecimalFormat*>(nf); + if (df != nullptr && attr == UNUM_ROUNDING_INCREMENT) { + df->setRoundingIncrement(newValue); + } +} + +U_CAPI int32_t U_EXPORT2 +unum_getTextAttribute(const UNumberFormat* fmt, + UNumberFormatTextAttribute tag, + char16_t* result, + int32_t resultLength, + UErrorCode* status) +{ + if(U_FAILURE(*status)) + return -1; + + UnicodeString res; + if(!(result==nullptr && resultLength==0)) { + // nullptr destination for pure preflighting: empty dummy string + // otherwise, alias the destination buffer + res.setTo(result, 0, resultLength); + } + + const NumberFormat* nf = reinterpret_cast<const NumberFormat*>(fmt); + const DecimalFormat* df = dynamic_cast<const DecimalFormat*>(nf); + if (df != nullptr) { + switch(tag) { + case UNUM_POSITIVE_PREFIX: + df->getPositivePrefix(res); + break; + + case UNUM_POSITIVE_SUFFIX: + df->getPositiveSuffix(res); + break; + + case UNUM_NEGATIVE_PREFIX: + df->getNegativePrefix(res); + break; + + case UNUM_NEGATIVE_SUFFIX: + df->getNegativeSuffix(res); + break; + + case UNUM_PADDING_CHARACTER: + res = df->getPadCharacterString(); + break; + + case UNUM_CURRENCY_CODE: + res = UnicodeString(df->getCurrency()); + break; + + default: + *status = U_UNSUPPORTED_ERROR; + return -1; + } + } else { + const RuleBasedNumberFormat* rbnf = dynamic_cast<const RuleBasedNumberFormat*>(nf); + U_ASSERT(rbnf != nullptr); + if (tag == UNUM_DEFAULT_RULESET) { + res = rbnf->getDefaultRuleSetName(); + } else if (tag == UNUM_PUBLIC_RULESETS) { + int32_t count = rbnf->getNumberOfRuleSetNames(); + for (int i = 0; i < count; ++i) { + res += rbnf->getRuleSetName(i); + res += (char16_t)0x003b; // semicolon + } + } else { + *status = U_UNSUPPORTED_ERROR; + return -1; + } + } + + return res.extract(result, resultLength, *status); +} + +U_CAPI void U_EXPORT2 +unum_setTextAttribute( UNumberFormat* fmt, + UNumberFormatTextAttribute tag, + const char16_t* newValue, + int32_t newValueLength, + UErrorCode *status) +{ + if(U_FAILURE(*status)) + return; + + UnicodeString val(newValue, newValueLength); + NumberFormat* nf = reinterpret_cast<NumberFormat*>(fmt); + DecimalFormat* df = dynamic_cast<DecimalFormat*>(nf); + if (df != nullptr) { + switch(tag) { + case UNUM_POSITIVE_PREFIX: + df->setPositivePrefix(val); + break; + + case UNUM_POSITIVE_SUFFIX: + df->setPositiveSuffix(val); + break; + + case UNUM_NEGATIVE_PREFIX: + df->setNegativePrefix(val); + break; + + case UNUM_NEGATIVE_SUFFIX: + df->setNegativeSuffix(val); + break; + + case UNUM_PADDING_CHARACTER: + df->setPadCharacter(val); + break; + + case UNUM_CURRENCY_CODE: + df->setCurrency(val.getTerminatedBuffer(), *status); + break; + + default: + *status = U_UNSUPPORTED_ERROR; + break; + } + } else { + RuleBasedNumberFormat* rbnf = dynamic_cast<RuleBasedNumberFormat*>(nf); + U_ASSERT(rbnf != nullptr); + if (tag == UNUM_DEFAULT_RULESET) { + rbnf->setDefaultRuleSet(val, *status); + } else { + *status = U_UNSUPPORTED_ERROR; + } + } +} + +U_CAPI int32_t U_EXPORT2 +unum_toPattern( const UNumberFormat* fmt, + UBool isPatternLocalized, + char16_t* result, + int32_t resultLength, + UErrorCode* status) +{ + if(U_FAILURE(*status)) + return -1; + + UnicodeString pat; + if(!(result==nullptr && resultLength==0)) { + // nullptr destination for pure preflighting: empty dummy string + // otherwise, alias the destination buffer + pat.setTo(result, 0, resultLength); + } + + const NumberFormat* nf = reinterpret_cast<const NumberFormat*>(fmt); + const DecimalFormat* df = dynamic_cast<const DecimalFormat*>(nf); + if (df != nullptr) { + if(isPatternLocalized) + df->toLocalizedPattern(pat); + else + df->toPattern(pat); + } else { + const RuleBasedNumberFormat* rbnf = dynamic_cast<const RuleBasedNumberFormat*>(nf); + U_ASSERT(rbnf != nullptr); + pat = rbnf->getRules(); + } + return pat.extract(result, resultLength, *status); +} + +U_CAPI int32_t U_EXPORT2 +unum_getSymbol(const UNumberFormat *fmt, + UNumberFormatSymbol symbol, + char16_t *buffer, + int32_t size, + UErrorCode *status) UPRV_NO_SANITIZE_UNDEFINED { + if(status==nullptr || U_FAILURE(*status)) { + return 0; + } + if(fmt==nullptr || symbol< 0 || symbol>=UNUM_FORMAT_SYMBOL_COUNT) { + *status=U_ILLEGAL_ARGUMENT_ERROR; + return 0; + } + const NumberFormat *nf = reinterpret_cast<const NumberFormat *>(fmt); + const DecimalFormat *dcf = dynamic_cast<const DecimalFormat *>(nf); + if (dcf == nullptr) { + *status = U_UNSUPPORTED_ERROR; + return 0; + } + + return dcf-> + getDecimalFormatSymbols()-> + getConstSymbol((DecimalFormatSymbols::ENumberFormatSymbol)symbol). + extract(buffer, size, *status); +} + +U_CAPI void U_EXPORT2 +unum_setSymbol(UNumberFormat *fmt, + UNumberFormatSymbol symbol, + const char16_t *value, + int32_t length, + UErrorCode *status) UPRV_NO_SANITIZE_UNDEFINED { + if(status==nullptr || U_FAILURE(*status)) { + return; + } + if(fmt==nullptr || symbol< 0 || symbol>=UNUM_FORMAT_SYMBOL_COUNT || value==nullptr || length<-1) { + *status=U_ILLEGAL_ARGUMENT_ERROR; + return; + } + NumberFormat *nf = reinterpret_cast<NumberFormat *>(fmt); + DecimalFormat *dcf = dynamic_cast<DecimalFormat *>(nf); + if (dcf == nullptr) { + *status = U_UNSUPPORTED_ERROR; + return; + } + + DecimalFormatSymbols symbols(*dcf->getDecimalFormatSymbols()); + symbols.setSymbol((DecimalFormatSymbols::ENumberFormatSymbol)symbol, + UnicodeString(value, length)); /* UnicodeString can handle the case when length = -1. */ + dcf->setDecimalFormatSymbols(symbols); +} + +U_CAPI void U_EXPORT2 +unum_applyPattern( UNumberFormat *fmt, + UBool localized, + const char16_t *pattern, + int32_t patternLength, + UParseError *parseError, + UErrorCode* status) +{ + UErrorCode tStatus = U_ZERO_ERROR; + UParseError tParseError; + + if(parseError == nullptr){ + parseError = &tParseError; + } + + if(status==nullptr){ + status = &tStatus; + } + + int32_t len = (patternLength == -1 ? u_strlen(pattern) : patternLength); + const UnicodeString pat((char16_t*)pattern, len, len); + + // Verify if the object passed is a DecimalFormat object + NumberFormat* nf = reinterpret_cast<NumberFormat*>(fmt); + DecimalFormat* df = dynamic_cast<DecimalFormat*>(nf); + if (df != nullptr) { + if(localized) { + df->applyLocalizedPattern(pat,*parseError, *status); + } else { + df->applyPattern(pat,*parseError, *status); + } + } else { + *status = U_UNSUPPORTED_ERROR; + return; + } +} + +U_CAPI const char* U_EXPORT2 +unum_getLocaleByType(const UNumberFormat *fmt, + ULocDataLocaleType type, + UErrorCode* status) +{ + if (fmt == nullptr) { + if (U_SUCCESS(*status)) { + *status = U_ILLEGAL_ARGUMENT_ERROR; + } + return nullptr; + } + return ((const Format*)fmt)->getLocaleID(type, *status); +} + +U_CAPI void U_EXPORT2 +unum_setContext(UNumberFormat* fmt, UDisplayContext value, UErrorCode* status) +{ + if (U_FAILURE(*status)) { + return; + } + ((NumberFormat*)fmt)->setContext(value, *status); + return; +} + +U_CAPI UDisplayContext U_EXPORT2 +unum_getContext(const UNumberFormat *fmt, UDisplayContextType type, UErrorCode* status) +{ + if (U_FAILURE(*status)) { + return (UDisplayContext)0; + } + return ((const NumberFormat*)fmt)->getContext(type, *status); +} + +U_CAPI UFormattable * U_EXPORT2 +unum_parseToUFormattable(const UNumberFormat* fmt, + UFormattable *result, + const char16_t* text, + int32_t textLength, + int32_t* parsePos, /* 0 = start */ + UErrorCode* status) { + UFormattable *newFormattable = nullptr; + if (U_FAILURE(*status)) return result; + if (fmt == nullptr || (text==nullptr && textLength!=0)) { + *status = U_ILLEGAL_ARGUMENT_ERROR; + return result; + } + if (result == nullptr) { // allocate if not allocated. + newFormattable = result = ufmt_open(status); + } + parseRes(*(Formattable::fromUFormattable(result)), fmt, text, textLength, parsePos, status); + if (U_FAILURE(*status) && newFormattable != nullptr) { + ufmt_close(newFormattable); + result = nullptr; // deallocate if there was a parse error + } + return result; +} + +U_CAPI int32_t U_EXPORT2 +unum_formatUFormattable(const UNumberFormat* fmt, + const UFormattable *number, + char16_t *result, + int32_t resultLength, + UFieldPosition *pos, /* ignored if 0 */ + UErrorCode *status) { + if (U_FAILURE(*status)) { + return 0; + } + if (fmt == nullptr || number==nullptr || + (result==nullptr ? resultLength!=0 : resultLength<0)) { + *status = U_ILLEGAL_ARGUMENT_ERROR; + return 0; + } + UnicodeString res(result, 0, resultLength); + + FieldPosition fp; + + if(pos != 0) + fp.setField(pos->field); + + ((const NumberFormat*)fmt)->format(*(Formattable::fromUFormattable(number)), res, fp, *status); + + if(pos != 0) { + pos->beginIndex = fp.getBeginIndex(); + pos->endIndex = fp.getEndIndex(); + } + + return res.extract(result, resultLength, *status); +} + +#endif /* #if !UCONFIG_NO_FORMATTING */ |