1356 lines
49 KiB
C++
1356 lines
49 KiB
C++
// © 2018 and later: Unicode, Inc. and others.
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// License & terms of use: http://www.unicode.org/copyright.html
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#include "unicode/utypes.h"
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#if !UCONFIG_NO_FORMATTING
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// Allow implicit conversion from char16_t* to UnicodeString for this file:
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// Helpful in toString methods and elsewhere.
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#define UNISTR_FROM_STRING_EXPLICIT
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#include <cmath>
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#include <cstdlib>
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#include <stdlib.h>
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#include "unicode/errorcode.h"
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#include "unicode/decimfmt.h"
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#include "number_decimalquantity.h"
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#include "number_types.h"
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#include "numparse_impl.h"
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#include "number_mapper.h"
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#include "number_patternstring.h"
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#include "putilimp.h"
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#include "number_utils.h"
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#include "number_utypes.h"
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using namespace icu;
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using namespace icu::number;
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using namespace icu::number::impl;
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using namespace icu::numparse;
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using namespace icu::numparse::impl;
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using ERoundingMode = icu::DecimalFormat::ERoundingMode;
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using EPadPosition = icu::DecimalFormat::EPadPosition;
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// MSVC warns C4805 when comparing bool with UBool
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// TODO: Move this macro into a better place?
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#if U_PF_WINDOWS <= U_PLATFORM && U_PLATFORM <= U_PF_CYGWIN
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#define UBOOL_TO_BOOL(b) static_cast<bool>(b)
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#else
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#define UBOOL_TO_BOOL(b) b
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#endif
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UOBJECT_DEFINE_RTTI_IMPLEMENTATION(DecimalFormat)
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DecimalFormat::DecimalFormat(UErrorCode& status)
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: DecimalFormat(nullptr, status) {
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// Use the default locale and decimal pattern.
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const char* localeName = Locale::getDefault().getName();
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LocalPointer<NumberingSystem> ns(NumberingSystem::createInstance(status));
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UnicodeString patternString = utils::getPatternForStyle(
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localeName,
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ns->getName(),
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CLDR_PATTERN_STYLE_DECIMAL,
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status);
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setPropertiesFromPattern(patternString, IGNORE_ROUNDING_IF_CURRENCY, status);
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touch(status);
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}
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DecimalFormat::DecimalFormat(const UnicodeString& pattern, UErrorCode& status)
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: DecimalFormat(nullptr, status) {
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setPropertiesFromPattern(pattern, IGNORE_ROUNDING_IF_CURRENCY, status);
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touch(status);
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}
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DecimalFormat::DecimalFormat(const UnicodeString& pattern, DecimalFormatSymbols* symbolsToAdopt,
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UErrorCode& status)
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: DecimalFormat(symbolsToAdopt, status) {
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setPropertiesFromPattern(pattern, IGNORE_ROUNDING_IF_CURRENCY, status);
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touch(status);
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}
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DecimalFormat::DecimalFormat(const UnicodeString& pattern, DecimalFormatSymbols* symbolsToAdopt,
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UNumberFormatStyle style, UErrorCode& status)
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: DecimalFormat(symbolsToAdopt, status) {
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// If choice is a currency type, ignore the rounding information.
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if (style == UNumberFormatStyle::UNUM_CURRENCY || style == UNumberFormatStyle::UNUM_CURRENCY_ISO ||
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style == UNumberFormatStyle::UNUM_CURRENCY_ACCOUNTING ||
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style == UNumberFormatStyle::UNUM_CASH_CURRENCY ||
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style == UNumberFormatStyle::UNUM_CURRENCY_STANDARD ||
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style == UNumberFormatStyle::UNUM_CURRENCY_PLURAL) {
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setPropertiesFromPattern(pattern, IGNORE_ROUNDING_ALWAYS, status);
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} else {
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setPropertiesFromPattern(pattern, IGNORE_ROUNDING_IF_CURRENCY, status);
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}
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// Note: in Java, CurrencyPluralInfo is set in NumberFormat.java, but in C++, it is not set there,
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// so we have to set it here.
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if (style == UNumberFormatStyle::UNUM_CURRENCY_PLURAL) {
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LocalPointer<CurrencyPluralInfo> cpi(
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new CurrencyPluralInfo(fields->symbols->getLocale(), status),
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status);
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if (U_FAILURE(status)) { return; }
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fields->properties->currencyPluralInfo.fPtr.adoptInstead(cpi.orphan());
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}
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touch(status);
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}
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DecimalFormat::DecimalFormat(const DecimalFormatSymbols* symbolsToAdopt, UErrorCode& status) {
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fields = new DecimalFormatFields();
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if (fields == nullptr) {
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status = U_MEMORY_ALLOCATION_ERROR;
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return;
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}
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fields->properties.adoptInsteadAndCheckErrorCode(new DecimalFormatProperties(), status);
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fields->exportedProperties.adoptInsteadAndCheckErrorCode(new DecimalFormatProperties(), status);
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if (symbolsToAdopt == nullptr) {
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fields->symbols.adoptInsteadAndCheckErrorCode(new DecimalFormatSymbols(status), status);
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} else {
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fields->symbols.adoptInsteadAndCheckErrorCode(symbolsToAdopt, status);
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}
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}
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#if UCONFIG_HAVE_PARSEALLINPUT
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void DecimalFormat::setParseAllInput(UNumberFormatAttributeValue value) {
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if (value == fields->properties->parseAllInput) { return; }
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fields->properties->parseAllInput = value;
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}
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#endif
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DecimalFormat&
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DecimalFormat::setAttribute(UNumberFormatAttribute attr, int32_t newValue, UErrorCode& status) {
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if (U_FAILURE(status)) { return *this; }
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switch (attr) {
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case UNUM_LENIENT_PARSE:
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setLenient(newValue != 0);
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break;
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case UNUM_PARSE_INT_ONLY:
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setParseIntegerOnly(newValue != 0);
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break;
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case UNUM_GROUPING_USED:
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setGroupingUsed(newValue != 0);
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break;
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case UNUM_DECIMAL_ALWAYS_SHOWN:
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setDecimalSeparatorAlwaysShown(newValue != 0);
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break;
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case UNUM_MAX_INTEGER_DIGITS:
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setMaximumIntegerDigits(newValue);
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break;
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case UNUM_MIN_INTEGER_DIGITS:
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setMinimumIntegerDigits(newValue);
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break;
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case UNUM_INTEGER_DIGITS:
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setMinimumIntegerDigits(newValue);
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setMaximumIntegerDigits(newValue);
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break;
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case UNUM_MAX_FRACTION_DIGITS:
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setMaximumFractionDigits(newValue);
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break;
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case UNUM_MIN_FRACTION_DIGITS:
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setMinimumFractionDigits(newValue);
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break;
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case UNUM_FRACTION_DIGITS:
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setMinimumFractionDigits(newValue);
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setMaximumFractionDigits(newValue);
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break;
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case UNUM_SIGNIFICANT_DIGITS_USED:
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setSignificantDigitsUsed(newValue != 0);
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break;
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case UNUM_MAX_SIGNIFICANT_DIGITS:
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setMaximumSignificantDigits(newValue);
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break;
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case UNUM_MIN_SIGNIFICANT_DIGITS:
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setMinimumSignificantDigits(newValue);
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break;
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case UNUM_MULTIPLIER:
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setMultiplier(newValue);
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break;
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case UNUM_SCALE:
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setMultiplierScale(newValue);
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break;
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case UNUM_GROUPING_SIZE:
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setGroupingSize(newValue);
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break;
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case UNUM_ROUNDING_MODE:
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setRoundingMode((DecimalFormat::ERoundingMode) newValue);
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break;
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case UNUM_FORMAT_WIDTH:
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setFormatWidth(newValue);
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break;
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case UNUM_PADDING_POSITION:
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/** The position at which padding will take place. */
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setPadPosition((DecimalFormat::EPadPosition) newValue);
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break;
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case UNUM_SECONDARY_GROUPING_SIZE:
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setSecondaryGroupingSize(newValue);
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break;
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#if UCONFIG_HAVE_PARSEALLINPUT
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case UNUM_PARSE_ALL_INPUT:
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setParseAllInput((UNumberFormatAttributeValue) newValue);
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break;
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#endif
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case UNUM_PARSE_NO_EXPONENT:
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setParseNoExponent((UBool) newValue);
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break;
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case UNUM_PARSE_DECIMAL_MARK_REQUIRED:
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setDecimalPatternMatchRequired((UBool) newValue);
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break;
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case UNUM_CURRENCY_USAGE:
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setCurrencyUsage((UCurrencyUsage) newValue, &status);
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break;
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case UNUM_MINIMUM_GROUPING_DIGITS:
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setMinimumGroupingDigits(newValue);
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break;
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case UNUM_PARSE_CASE_SENSITIVE:
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setParseCaseSensitive(static_cast<UBool>(newValue));
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break;
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case UNUM_SIGN_ALWAYS_SHOWN:
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setSignAlwaysShown(static_cast<UBool>(newValue));
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break;
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case UNUM_FORMAT_FAIL_IF_MORE_THAN_MAX_DIGITS:
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setFormatFailIfMoreThanMaxDigits(static_cast<UBool>(newValue));
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break;
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default:
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status = U_UNSUPPORTED_ERROR;
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break;
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}
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return *this;
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}
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int32_t DecimalFormat::getAttribute(UNumberFormatAttribute attr, UErrorCode& status) const {
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if (U_FAILURE(status)) { return -1; }
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switch (attr) {
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case UNUM_LENIENT_PARSE:
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return isLenient();
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case UNUM_PARSE_INT_ONLY:
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return isParseIntegerOnly();
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case UNUM_GROUPING_USED:
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return isGroupingUsed();
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case UNUM_DECIMAL_ALWAYS_SHOWN:
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return isDecimalSeparatorAlwaysShown();
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case UNUM_MAX_INTEGER_DIGITS:
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return getMaximumIntegerDigits();
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case UNUM_MIN_INTEGER_DIGITS:
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return getMinimumIntegerDigits();
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case UNUM_INTEGER_DIGITS:
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// TBD: what should this return?
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return getMinimumIntegerDigits();
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case UNUM_MAX_FRACTION_DIGITS:
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return getMaximumFractionDigits();
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case UNUM_MIN_FRACTION_DIGITS:
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return getMinimumFractionDigits();
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case UNUM_FRACTION_DIGITS:
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// TBD: what should this return?
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return getMinimumFractionDigits();
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case UNUM_SIGNIFICANT_DIGITS_USED:
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return areSignificantDigitsUsed();
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case UNUM_MAX_SIGNIFICANT_DIGITS:
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return getMaximumSignificantDigits();
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case UNUM_MIN_SIGNIFICANT_DIGITS:
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return getMinimumSignificantDigits();
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case UNUM_MULTIPLIER:
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return getMultiplier();
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case UNUM_SCALE:
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return getMultiplierScale();
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case UNUM_GROUPING_SIZE:
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return getGroupingSize();
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case UNUM_ROUNDING_MODE:
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return getRoundingMode();
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case UNUM_FORMAT_WIDTH:
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return getFormatWidth();
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case UNUM_PADDING_POSITION:
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return getPadPosition();
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case UNUM_SECONDARY_GROUPING_SIZE:
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return getSecondaryGroupingSize();
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case UNUM_PARSE_NO_EXPONENT:
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return isParseNoExponent();
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case UNUM_PARSE_DECIMAL_MARK_REQUIRED:
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return isDecimalPatternMatchRequired();
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case UNUM_CURRENCY_USAGE:
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return getCurrencyUsage();
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case UNUM_MINIMUM_GROUPING_DIGITS:
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return getMinimumGroupingDigits();
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case UNUM_PARSE_CASE_SENSITIVE:
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return isParseCaseSensitive();
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case UNUM_SIGN_ALWAYS_SHOWN:
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return isSignAlwaysShown();
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case UNUM_FORMAT_FAIL_IF_MORE_THAN_MAX_DIGITS:
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return isFormatFailIfMoreThanMaxDigits();
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default:
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status = U_UNSUPPORTED_ERROR;
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break;
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}
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// TODO: UNUM_FORMAT_FAIL_IF_MORE_THAN_MAX_DIGITS?
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return -1; /* undefined */
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}
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void DecimalFormat::setGroupingUsed(UBool enabled) {
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if (UBOOL_TO_BOOL(enabled) == fields->properties->groupingUsed) { return; }
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NumberFormat::setGroupingUsed(enabled); // to set field for compatibility
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fields->properties->groupingUsed = enabled;
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touchNoError();
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}
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void DecimalFormat::setParseIntegerOnly(UBool value) {
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if (UBOOL_TO_BOOL(value) == fields->properties->parseIntegerOnly) { return; }
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NumberFormat::setParseIntegerOnly(value); // to set field for compatibility
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fields->properties->parseIntegerOnly = value;
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touchNoError();
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}
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void DecimalFormat::setLenient(UBool enable) {
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ParseMode mode = enable ? PARSE_MODE_LENIENT : PARSE_MODE_STRICT;
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if (!fields->properties->parseMode.isNull() && mode == fields->properties->parseMode.getNoError()) { return; }
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NumberFormat::setLenient(enable); // to set field for compatibility
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fields->properties->parseMode = mode;
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touchNoError();
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}
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DecimalFormat::DecimalFormat(const UnicodeString& pattern, DecimalFormatSymbols* symbolsToAdopt,
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UParseError&, UErrorCode& status)
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: DecimalFormat(symbolsToAdopt, status) {
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// TODO: What is parseError for?
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setPropertiesFromPattern(pattern, IGNORE_ROUNDING_IF_CURRENCY, status);
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touch(status);
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}
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DecimalFormat::DecimalFormat(const UnicodeString& pattern, const DecimalFormatSymbols& symbols,
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UErrorCode& status)
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: DecimalFormat(new DecimalFormatSymbols(symbols), status) {
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setPropertiesFromPattern(pattern, IGNORE_ROUNDING_IF_CURRENCY, status);
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touch(status);
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}
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DecimalFormat::DecimalFormat(const DecimalFormat& source) : NumberFormat(source) {
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// Note: it is not safe to copy fields->formatter or fWarehouse directly because fields->formatter might have
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// dangling pointers to fields inside fWarehouse. The safe thing is to re-construct fields->formatter from
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// the property bag, despite being somewhat slower.
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fields = new DecimalFormatFields();
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if (fields == nullptr) {
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return;
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}
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fields->properties.adoptInstead(new DecimalFormatProperties(*source.fields->properties));
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fields->symbols.adoptInstead(new DecimalFormatSymbols(*source.fields->symbols));
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fields->exportedProperties.adoptInstead(new DecimalFormatProperties());
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if (fields->properties == nullptr || fields->symbols == nullptr || fields->exportedProperties == nullptr) {
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return;
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}
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touchNoError();
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}
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DecimalFormat& DecimalFormat::operator=(const DecimalFormat& rhs) {
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*fields->properties = *rhs.fields->properties;
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fields->exportedProperties->clear();
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fields->symbols.adoptInstead(new DecimalFormatSymbols(*rhs.fields->symbols));
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touchNoError();
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return *this;
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}
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DecimalFormat::~DecimalFormat() {
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delete fields->atomicParser.exchange(nullptr);
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delete fields->atomicCurrencyParser.exchange(nullptr);
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delete fields;
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};
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Format* DecimalFormat::clone() const {
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return new DecimalFormat(*this);
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}
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UBool DecimalFormat::operator==(const Format& other) const {
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auto* otherDF = dynamic_cast<const DecimalFormat*>(&other);
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if (otherDF == nullptr) {
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return false;
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}
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return *fields->properties == *otherDF->fields->properties && *fields->symbols == *otherDF->fields->symbols;
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}
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UnicodeString& DecimalFormat::format(double number, UnicodeString& appendTo, FieldPosition& pos) const {
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if (pos.getField() == FieldPosition::DONT_CARE && fastFormatDouble(number, appendTo)) {
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return appendTo;
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}
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UErrorCode localStatus = U_ZERO_ERROR;
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FormattedNumber output = fields->formatter->formatDouble(number, localStatus);
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output.populateFieldPosition(pos, localStatus);
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auto appendable = UnicodeStringAppendable(appendTo);
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output.appendTo(appendable);
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return appendTo;
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}
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UnicodeString& DecimalFormat::format(double number, UnicodeString& appendTo, FieldPosition& pos,
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UErrorCode& status) const {
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if (pos.getField() == FieldPosition::DONT_CARE && fastFormatDouble(number, appendTo)) {
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return appendTo;
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}
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FormattedNumber output = fields->formatter->formatDouble(number, status);
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output.populateFieldPosition(pos, status);
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auto appendable = UnicodeStringAppendable(appendTo);
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output.appendTo(appendable);
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return appendTo;
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}
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UnicodeString&
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DecimalFormat::format(double number, UnicodeString& appendTo, FieldPositionIterator* posIter,
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UErrorCode& status) const {
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if (posIter == nullptr && fastFormatDouble(number, appendTo)) {
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return appendTo;
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}
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FormattedNumber output = fields->formatter->formatDouble(number, status);
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if (posIter != nullptr) {
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output.populateFieldPositionIterator(*posIter, status);
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}
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auto appendable = UnicodeStringAppendable(appendTo);
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output.appendTo(appendable);
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return appendTo;
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}
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UnicodeString& DecimalFormat::format(int32_t number, UnicodeString& appendTo, FieldPosition& pos) const {
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return format(static_cast<int64_t> (number), appendTo, pos);
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}
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UnicodeString& DecimalFormat::format(int32_t number, UnicodeString& appendTo, FieldPosition& pos,
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UErrorCode& status) const {
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return format(static_cast<int64_t> (number), appendTo, pos, status);
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}
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UnicodeString&
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DecimalFormat::format(int32_t number, UnicodeString& appendTo, FieldPositionIterator* posIter,
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UErrorCode& status) const {
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return format(static_cast<int64_t> (number), appendTo, posIter, status);
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}
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UnicodeString& DecimalFormat::format(int64_t number, UnicodeString& appendTo, FieldPosition& pos) const {
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if (pos.getField() == FieldPosition::DONT_CARE && fastFormatInt64(number, appendTo)) {
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return appendTo;
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}
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UErrorCode localStatus = U_ZERO_ERROR;
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FormattedNumber output = fields->formatter->formatInt(number, localStatus);
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output.populateFieldPosition(pos, localStatus);
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auto appendable = UnicodeStringAppendable(appendTo);
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output.appendTo(appendable);
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return appendTo;
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}
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UnicodeString& DecimalFormat::format(int64_t number, UnicodeString& appendTo, FieldPosition& pos,
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UErrorCode& status) const {
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if (pos.getField() == FieldPosition::DONT_CARE && fastFormatInt64(number, appendTo)) {
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return appendTo;
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}
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FormattedNumber output = fields->formatter->formatInt(number, status);
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output.populateFieldPosition(pos, status);
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auto appendable = UnicodeStringAppendable(appendTo);
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output.appendTo(appendable);
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return appendTo;
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}
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UnicodeString&
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DecimalFormat::format(int64_t number, UnicodeString& appendTo, FieldPositionIterator* posIter,
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UErrorCode& status) const {
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if (posIter == nullptr && fastFormatInt64(number, appendTo)) {
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return appendTo;
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}
|
|
FormattedNumber output = fields->formatter->formatInt(number, status);
|
|
if (posIter != nullptr) {
|
|
output.populateFieldPositionIterator(*posIter, status);
|
|
}
|
|
auto appendable = UnicodeStringAppendable(appendTo);
|
|
output.appendTo(appendable);
|
|
return appendTo;
|
|
}
|
|
|
|
UnicodeString&
|
|
DecimalFormat::format(StringPiece number, UnicodeString& appendTo, FieldPositionIterator* posIter,
|
|
UErrorCode& status) const {
|
|
FormattedNumber output = fields->formatter->formatDecimal(number, status);
|
|
if (posIter != nullptr) {
|
|
output.populateFieldPositionIterator(*posIter, status);
|
|
}
|
|
auto appendable = UnicodeStringAppendable(appendTo);
|
|
output.appendTo(appendable);
|
|
return appendTo;
|
|
}
|
|
|
|
UnicodeString& DecimalFormat::format(const DecimalQuantity& number, UnicodeString& appendTo,
|
|
FieldPositionIterator* posIter, UErrorCode& status) const {
|
|
FormattedNumber output = fields->formatter->formatDecimalQuantity(number, status);
|
|
if (posIter != nullptr) {
|
|
output.populateFieldPositionIterator(*posIter, status);
|
|
}
|
|
auto appendable = UnicodeStringAppendable(appendTo);
|
|
output.appendTo(appendable);
|
|
return appendTo;
|
|
}
|
|
|
|
UnicodeString&
|
|
DecimalFormat::format(const DecimalQuantity& number, UnicodeString& appendTo, FieldPosition& pos,
|
|
UErrorCode& status) const {
|
|
FormattedNumber output = fields->formatter->formatDecimalQuantity(number, status);
|
|
output.populateFieldPosition(pos, 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;
|
|
}
|
|
|
|
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);
|
|
}
|
|
}
|
|
|
|
CurrencyAmount* DecimalFormat::parseCurrency(const UnicodeString& text, ParsePosition& parsePosition) const {
|
|
if (parsePosition.getIndex() < 0 || parsePosition.getIndex() >= text.length()) {
|
|
return nullptr;
|
|
}
|
|
|
|
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;
|
|
}
|
|
}
|
|
|
|
const DecimalFormatSymbols* DecimalFormat::getDecimalFormatSymbols(void) const {
|
|
return fields->symbols.getAlias();
|
|
}
|
|
|
|
void DecimalFormat::adoptDecimalFormatSymbols(DecimalFormatSymbols* symbolsToAdopt) {
|
|
if (symbolsToAdopt == nullptr) {
|
|
return; // do not allow caller to set fields->symbols to NULL
|
|
}
|
|
fields->symbols.adoptInstead(symbolsToAdopt);
|
|
touchNoError();
|
|
}
|
|
|
|
void DecimalFormat::setDecimalFormatSymbols(const DecimalFormatSymbols& symbols) {
|
|
fields->symbols.adoptInstead(new DecimalFormatSymbols(symbols));
|
|
touchNoError();
|
|
}
|
|
|
|
const CurrencyPluralInfo* DecimalFormat::getCurrencyPluralInfo(void) const {
|
|
return fields->properties->currencyPluralInfo.fPtr.getAlias();
|
|
}
|
|
|
|
void DecimalFormat::adoptCurrencyPluralInfo(CurrencyPluralInfo* toAdopt) {
|
|
fields->properties->currencyPluralInfo.fPtr.adoptInstead(toAdopt);
|
|
touchNoError();
|
|
}
|
|
|
|
void DecimalFormat::setCurrencyPluralInfo(const CurrencyPluralInfo& info) {
|
|
*fields->properties->currencyPluralInfo.fPtr = info; // copy-assignment operator
|
|
touchNoError();
|
|
}
|
|
|
|
UnicodeString& DecimalFormat::getPositivePrefix(UnicodeString& result) const {
|
|
ErrorCode localStatus;
|
|
fields->formatter->getAffixImpl(true, false, result, localStatus);
|
|
return result;
|
|
}
|
|
|
|
void DecimalFormat::setPositivePrefix(const UnicodeString& newValue) {
|
|
if (newValue == fields->properties->positivePrefix) { return; }
|
|
fields->properties->positivePrefix = newValue;
|
|
touchNoError();
|
|
}
|
|
|
|
UnicodeString& DecimalFormat::getNegativePrefix(UnicodeString& result) const {
|
|
ErrorCode localStatus;
|
|
fields->formatter->getAffixImpl(true, true, result, localStatus);
|
|
return result;
|
|
}
|
|
|
|
void DecimalFormat::setNegativePrefix(const UnicodeString& newValue) {
|
|
if (newValue == fields->properties->negativePrefix) { return; }
|
|
fields->properties->negativePrefix = newValue;
|
|
touchNoError();
|
|
}
|
|
|
|
UnicodeString& DecimalFormat::getPositiveSuffix(UnicodeString& result) const {
|
|
ErrorCode localStatus;
|
|
fields->formatter->getAffixImpl(false, false, result, localStatus);
|
|
return result;
|
|
}
|
|
|
|
void DecimalFormat::setPositiveSuffix(const UnicodeString& newValue) {
|
|
if (newValue == fields->properties->positiveSuffix) { return; }
|
|
fields->properties->positiveSuffix = newValue;
|
|
touchNoError();
|
|
}
|
|
|
|
UnicodeString& DecimalFormat::getNegativeSuffix(UnicodeString& result) const {
|
|
ErrorCode localStatus;
|
|
fields->formatter->getAffixImpl(false, true, result, localStatus);
|
|
return result;
|
|
}
|
|
|
|
void DecimalFormat::setNegativeSuffix(const UnicodeString& newValue) {
|
|
if (newValue == fields->properties->negativeSuffix) { return; }
|
|
fields->properties->negativeSuffix = newValue;
|
|
touchNoError();
|
|
}
|
|
|
|
UBool DecimalFormat::isSignAlwaysShown() const {
|
|
return fields->properties->signAlwaysShown;
|
|
}
|
|
|
|
void DecimalFormat::setSignAlwaysShown(UBool value) {
|
|
if (UBOOL_TO_BOOL(value) == fields->properties->signAlwaysShown) { return; }
|
|
fields->properties->signAlwaysShown = value;
|
|
touchNoError();
|
|
}
|
|
|
|
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;
|
|
}
|
|
}
|
|
|
|
void DecimalFormat::setMultiplier(int32_t multiplier) {
|
|
if (multiplier == 0) {
|
|
multiplier = 1; // one being the benign default value for a multiplier.
|
|
}
|
|
|
|
// 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;
|
|
}
|
|
value = temp;
|
|
}
|
|
if (delta != -1) {
|
|
fields->properties->magnitudeMultiplier = delta;
|
|
fields->properties->multiplier = 1;
|
|
} else {
|
|
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();
|
|
}
|
|
|
|
double DecimalFormat::getRoundingIncrement(void) const {
|
|
return fields->exportedProperties->roundingIncrement;
|
|
}
|
|
|
|
void DecimalFormat::setRoundingIncrement(double newValue) {
|
|
if (newValue == fields->properties->roundingIncrement) { return; }
|
|
fields->properties->roundingIncrement = newValue;
|
|
touchNoError();
|
|
}
|
|
|
|
ERoundingMode DecimalFormat::getRoundingMode(void) const {
|
|
// UNumberFormatRoundingMode and ERoundingMode have the same values.
|
|
return static_cast<ERoundingMode>(fields->exportedProperties->roundingMode.getNoError());
|
|
}
|
|
|
|
void DecimalFormat::setRoundingMode(ERoundingMode roundingMode) {
|
|
auto uRoundingMode = static_cast<UNumberFormatRoundingMode>(roundingMode);
|
|
if (!fields->properties->roundingMode.isNull() && uRoundingMode == fields->properties->roundingMode.getNoError()) {
|
|
return;
|
|
}
|
|
NumberFormat::setMaximumIntegerDigits(roundingMode); // to set field for compatibility
|
|
fields->properties->roundingMode = uRoundingMode;
|
|
touchNoError();
|
|
}
|
|
|
|
int32_t DecimalFormat::getFormatWidth(void) const {
|
|
return fields->properties->formatWidth;
|
|
}
|
|
|
|
void DecimalFormat::setFormatWidth(int32_t width) {
|
|
if (width == fields->properties->formatWidth) { return; }
|
|
fields->properties->formatWidth = width;
|
|
touchNoError();
|
|
}
|
|
|
|
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::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();
|
|
}
|
|
|
|
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());
|
|
}
|
|
}
|
|
|
|
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();
|
|
}
|
|
|
|
UBool DecimalFormat::isScientificNotation(void) const {
|
|
return fields->properties->minimumExponentDigits != -1;
|
|
}
|
|
|
|
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();
|
|
}
|
|
|
|
int8_t DecimalFormat::getMinimumExponentDigits(void) const {
|
|
return static_cast<int8_t>(fields->properties->minimumExponentDigits);
|
|
}
|
|
|
|
void DecimalFormat::setMinimumExponentDigits(int8_t minExpDig) {
|
|
if (minExpDig == fields->properties->minimumExponentDigits) { return; }
|
|
fields->properties->minimumExponentDigits = minExpDig;
|
|
touchNoError();
|
|
}
|
|
|
|
UBool DecimalFormat::isExponentSignAlwaysShown(void) const {
|
|
return fields->properties->exponentSignAlwaysShown;
|
|
}
|
|
|
|
void DecimalFormat::setExponentSignAlwaysShown(UBool expSignAlways) {
|
|
if (UBOOL_TO_BOOL(expSignAlways) == fields->properties->exponentSignAlwaysShown) { return; }
|
|
fields->properties->exponentSignAlwaysShown = expSignAlways;
|
|
touchNoError();
|
|
}
|
|
|
|
int32_t DecimalFormat::getGroupingSize(void) const {
|
|
if (fields->properties->groupingSize < 0) {
|
|
return 0;
|
|
}
|
|
return fields->properties->groupingSize;
|
|
}
|
|
|
|
void DecimalFormat::setGroupingSize(int32_t newValue) {
|
|
if (newValue == fields->properties->groupingSize) { return; }
|
|
fields->properties->groupingSize = newValue;
|
|
touchNoError();
|
|
}
|
|
|
|
int32_t DecimalFormat::getSecondaryGroupingSize(void) const {
|
|
int grouping2 = fields->properties->secondaryGroupingSize;
|
|
if (grouping2 < 0) {
|
|
return 0;
|
|
}
|
|
return grouping2;
|
|
}
|
|
|
|
void DecimalFormat::setSecondaryGroupingSize(int32_t newValue) {
|
|
if (newValue == fields->properties->secondaryGroupingSize) { return; }
|
|
fields->properties->secondaryGroupingSize = newValue;
|
|
touchNoError();
|
|
}
|
|
|
|
int32_t DecimalFormat::getMinimumGroupingDigits() const {
|
|
return fields->properties->minimumGroupingDigits;
|
|
}
|
|
|
|
void DecimalFormat::setMinimumGroupingDigits(int32_t newValue) {
|
|
if (newValue == fields->properties->minimumGroupingDigits) { return; }
|
|
fields->properties->minimumGroupingDigits = newValue;
|
|
touchNoError();
|
|
}
|
|
|
|
UBool DecimalFormat::isDecimalSeparatorAlwaysShown(void) const {
|
|
return fields->properties->decimalSeparatorAlwaysShown;
|
|
}
|
|
|
|
void DecimalFormat::setDecimalSeparatorAlwaysShown(UBool newValue) {
|
|
if (UBOOL_TO_BOOL(newValue) == fields->properties->decimalSeparatorAlwaysShown) { return; }
|
|
fields->properties->decimalSeparatorAlwaysShown = newValue;
|
|
touchNoError();
|
|
}
|
|
|
|
UBool DecimalFormat::isDecimalPatternMatchRequired(void) const {
|
|
return fields->properties->decimalPatternMatchRequired;
|
|
}
|
|
|
|
void DecimalFormat::setDecimalPatternMatchRequired(UBool newValue) {
|
|
if (UBOOL_TO_BOOL(newValue) == fields->properties->decimalPatternMatchRequired) { return; }
|
|
fields->properties->decimalPatternMatchRequired = newValue;
|
|
touchNoError();
|
|
}
|
|
|
|
UBool DecimalFormat::isParseNoExponent() const {
|
|
return fields->properties->parseNoExponent;
|
|
}
|
|
|
|
void DecimalFormat::setParseNoExponent(UBool value) {
|
|
if (UBOOL_TO_BOOL(value) == fields->properties->parseNoExponent) { return; }
|
|
fields->properties->parseNoExponent = value;
|
|
touchNoError();
|
|
}
|
|
|
|
UBool DecimalFormat::isParseCaseSensitive() const {
|
|
return fields->properties->parseCaseSensitive;
|
|
}
|
|
|
|
void DecimalFormat::setParseCaseSensitive(UBool value) {
|
|
if (UBOOL_TO_BOOL(value) == fields->properties->parseCaseSensitive) { return; }
|
|
fields->properties->parseCaseSensitive = value;
|
|
touchNoError();
|
|
}
|
|
|
|
UBool DecimalFormat::isFormatFailIfMoreThanMaxDigits() const {
|
|
return fields->properties->formatFailIfMoreThanMaxDigits;
|
|
}
|
|
|
|
void DecimalFormat::setFormatFailIfMoreThanMaxDigits(UBool value) {
|
|
if (UBOOL_TO_BOOL(value) == fields->properties->formatFailIfMoreThanMaxDigits) { return; }
|
|
fields->properties->formatFailIfMoreThanMaxDigits = value;
|
|
touchNoError();
|
|
}
|
|
|
|
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;
|
|
}
|
|
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&, UErrorCode& status) {
|
|
// TODO: What is parseError for?
|
|
applyPattern(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& localizedPattern, UErrorCode& status) {
|
|
UnicodeString pattern = PatternStringUtils::convertLocalized(
|
|
localizedPattern, *fields->symbols, false, status);
|
|
applyPattern(pattern, status);
|
|
}
|
|
|
|
void DecimalFormat::setMaximumIntegerDigits(int32_t newValue) {
|
|
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();
|
|
}
|
|
|
|
void DecimalFormat::setMinimumIntegerDigits(int32_t newValue) {
|
|
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();
|
|
}
|
|
|
|
void DecimalFormat::setMaximumFractionDigits(int32_t newValue) {
|
|
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();
|
|
}
|
|
|
|
void DecimalFormat::setMinimumFractionDigits(int32_t newValue) {
|
|
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 fields->exportedProperties->minimumSignificantDigits;
|
|
}
|
|
|
|
int32_t DecimalFormat::getMaximumSignificantDigits() const {
|
|
return fields->exportedProperties->maximumSignificantDigits;
|
|
}
|
|
|
|
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;
|
|
}
|
|
fields->properties->minimumSignificantDigits = value;
|
|
touchNoError();
|
|
}
|
|
|
|
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;
|
|
}
|
|
fields->properties->maximumSignificantDigits = value;
|
|
touchNoError();
|
|
}
|
|
|
|
UBool DecimalFormat::areSignificantDigitsUsed() const {
|
|
return fields->properties->minimumSignificantDigits != -1 || fields->properties->maximumSignificantDigits != -1;
|
|
}
|
|
|
|
void DecimalFormat::setSignificantDigitsUsed(UBool useSignificantDigits) {
|
|
// 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::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;
|
|
}
|
|
NumberFormat::setCurrency(theCurrency, ec); // to set field for compatibility
|
|
fields->properties->currency = currencyUnit;
|
|
// TODO: Set values in fields->symbols, too?
|
|
touchNoError();
|
|
}
|
|
|
|
void DecimalFormat::setCurrency(const char16_t* theCurrency) {
|
|
ErrorCode localStatus;
|
|
setCurrency(theCurrency, localStatus);
|
|
}
|
|
|
|
void DecimalFormat::setCurrencyUsage(UCurrencyUsage newUsage, UErrorCode* ec) {
|
|
if (!fields->properties->currencyUsage.isNull() && newUsage == fields->properties->currencyUsage.getNoError()) {
|
|
return;
|
|
}
|
|
fields->properties->currencyUsage = newUsage;
|
|
touch(*ec);
|
|
}
|
|
|
|
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::formatToDecimalQuantity(double number, DecimalQuantity& output, UErrorCode& status) const {
|
|
fields->formatter->formatDouble(number, status).getDecimalQuantity(output, status);
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
number::LocalizedNumberFormatter&
|
|
DecimalFormat::toNumberFormatter(number::LocalizedNumberFormatter& output) const {
|
|
output = *fields->formatter; // copy assignment
|
|
return output;
|
|
}
|
|
|
|
/** 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;
|
|
}
|
|
|
|
// In C++, fields->symbols is the source of truth for the locale.
|
|
Locale locale = fields->symbols->getLocale();
|
|
|
|
// 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)));
|
|
|
|
// Do this after fields->exportedProperties are set up
|
|
setupFastFormat();
|
|
|
|
// Delete the parsers if they were made previously
|
|
delete fields->atomicParser.exchange(nullptr);
|
|
delete fields->atomicCurrencyParser.exchange(nullptr);
|
|
|
|
// 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);
|
|
}
|
|
|
|
void DecimalFormat::touchNoError() {
|
|
UErrorCode localStatus = U_ZERO_ERROR;
|
|
touch(localStatus);
|
|
}
|
|
|
|
void DecimalFormat::setPropertiesFromPattern(const UnicodeString& pattern, int32_t ignoreRounding,
|
|
UErrorCode& 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);
|
|
}
|
|
|
|
const numparse::impl::NumberParserImpl* DecimalFormat::getParser(UErrorCode& status) const {
|
|
if (U_FAILURE(status)) { return nullptr; }
|
|
|
|
// First try to get the pre-computed parser
|
|
auto* ptr = fields->atomicParser.load();
|
|
if (ptr != nullptr) {
|
|
return ptr;
|
|
}
|
|
|
|
// 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
|
|
}
|
|
|
|
// 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;
|
|
}
|
|
}
|
|
|
|
const numparse::impl::NumberParserImpl* DecimalFormat::getCurrencyParser(UErrorCode& status) const {
|
|
if (U_FAILURE(status)) { return nullptr; }
|
|
|
|
// First try to get the pre-computed parser
|
|
auto* ptr = fields->atomicCurrencyParser.load();
|
|
if (ptr != nullptr) {
|
|
return ptr;
|
|
}
|
|
|
|
// 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
|
|
}
|
|
|
|
// 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;
|
|
}
|
|
}
|
|
|
|
// To debug fast-format, change void(x) to printf(x)
|
|
#define trace(x) void(x)
|
|
|
|
void DecimalFormat::setupFastFormat() {
|
|
// Check the majority of properties:
|
|
if (!fields->properties->equalsDefaultExceptFastFormat()) {
|
|
trace("no fast format: equality\n");
|
|
fields->canUseFastFormat = false;
|
|
return;
|
|
}
|
|
|
|
// 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;
|
|
}
|
|
|
|
// 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;
|
|
}
|
|
|
|
// 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;
|
|
}
|
|
|
|
// 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;
|
|
}
|
|
|
|
// 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;
|
|
}
|
|
|
|
// 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);
|
|
}
|
|
|
|
bool DecimalFormat::fastFormatDouble(double input, UnicodeString& output) const {
|
|
if (!fields->canUseFastFormat) {
|
|
return false;
|
|
}
|
|
auto i32 = static_cast<int32_t>(input);
|
|
if (i32 != input || i32 == INT32_MIN) {
|
|
return false;
|
|
}
|
|
doFastFormatInt32(i32, std::signbit(input), output);
|
|
return true;
|
|
}
|
|
|
|
bool DecimalFormat::fastFormatInt64(int64_t input, UnicodeString& output) const {
|
|
if (!fields->canUseFastFormat) {
|
|
return false;
|
|
}
|
|
auto i32 = static_cast<int32_t>(input);
|
|
if (i32 != input || i32 == INT32_MIN) {
|
|
return false;
|
|
}
|
|
doFastFormatInt32(i32, input < 0, output);
|
|
return true;
|
|
}
|
|
|
|
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 /* #if !UCONFIG_NO_FORMATTING */
|