diff options
Diffstat (limited to 'deps/icu-small/source/i18n/digitformatter.cpp')
| -rw-r--r-- | deps/icu-small/source/i18n/digitformatter.cpp | 417 |
1 files changed, 0 insertions, 417 deletions
diff --git a/deps/icu-small/source/i18n/digitformatter.cpp b/deps/icu-small/source/i18n/digitformatter.cpp deleted file mode 100644 index 0d857f8f68..0000000000 --- a/deps/icu-small/source/i18n/digitformatter.cpp +++ /dev/null @@ -1,417 +0,0 @@ -// © 2016 and later: Unicode, Inc. and others. -// License & terms of use: http://www.unicode.org/copyright.html -/* - * Copyright (C) 2015, International Business Machines - * Corporation and others. All Rights Reserved. - * - * file name: digitformatter.cpp - */ - -#include "unicode/utypes.h" - -#if !UCONFIG_NO_FORMATTING - -#include "unicode/dcfmtsym.h" -#include "unicode/unum.h" - -#include "digitformatter.h" -#include "digitgrouping.h" -#include "digitinterval.h" -#include "digitlst.h" -#include "fphdlimp.h" -#include "smallintformatter.h" -#include "unistrappender.h" -#include "visibledigits.h" - -U_NAMESPACE_BEGIN - -DigitFormatter::DigitFormatter() - : fGroupingSeparator(",", -1, US_INV), fDecimal(".", -1, US_INV), - fNegativeSign("-", -1, US_INV), fPositiveSign("+", -1, US_INV), - fIsStandardDigits(TRUE), fExponent("E", -1, US_INV) { - for (int32_t i = 0; i < 10; ++i) { - fLocalizedDigits[i] = (UChar32) (0x30 + i); - } - fInfinity.setTo(UnicodeString("Inf", -1, US_INV), UNUM_INTEGER_FIELD); - fNan.setTo(UnicodeString("Nan", -1, US_INV), UNUM_INTEGER_FIELD); -} - -DigitFormatter::DigitFormatter(const DecimalFormatSymbols &symbols) { - setDecimalFormatSymbols(symbols); -} - -void -DigitFormatter::setOtherDecimalFormatSymbols( - const DecimalFormatSymbols &symbols) { - fLocalizedDigits[0] = symbols.getConstSymbol(DecimalFormatSymbols::kZeroDigitSymbol).char32At(0); - fLocalizedDigits[1] = symbols.getConstSymbol(DecimalFormatSymbols::kOneDigitSymbol).char32At(0); - fLocalizedDigits[2] = symbols.getConstSymbol(DecimalFormatSymbols::kTwoDigitSymbol).char32At(0); - fLocalizedDigits[3] = symbols.getConstSymbol(DecimalFormatSymbols::kThreeDigitSymbol).char32At(0); - fLocalizedDigits[4] = symbols.getConstSymbol(DecimalFormatSymbols::kFourDigitSymbol).char32At(0); - fLocalizedDigits[5] = symbols.getConstSymbol(DecimalFormatSymbols::kFiveDigitSymbol).char32At(0); - fLocalizedDigits[6] = symbols.getConstSymbol(DecimalFormatSymbols::kSixDigitSymbol).char32At(0); - fLocalizedDigits[7] = symbols.getConstSymbol(DecimalFormatSymbols::kSevenDigitSymbol).char32At(0); - fLocalizedDigits[8] = symbols.getConstSymbol(DecimalFormatSymbols::kEightDigitSymbol).char32At(0); - fLocalizedDigits[9] = symbols.getConstSymbol(DecimalFormatSymbols::kNineDigitSymbol).char32At(0); - fIsStandardDigits = isStandardDigits(); - fNegativeSign = symbols.getConstSymbol(DecimalFormatSymbols::kMinusSignSymbol); - fPositiveSign = symbols.getConstSymbol(DecimalFormatSymbols::kPlusSignSymbol); - fInfinity.setTo(symbols.getConstSymbol(DecimalFormatSymbols::kInfinitySymbol), UNUM_INTEGER_FIELD); - fNan.setTo(symbols.getConstSymbol(DecimalFormatSymbols::kNaNSymbol), UNUM_INTEGER_FIELD); - fExponent = symbols.getConstSymbol(DecimalFormatSymbols::kExponentialSymbol); -} - -void -DigitFormatter::setDecimalFormatSymbolsForMonetary( - const DecimalFormatSymbols &symbols) { - setOtherDecimalFormatSymbols(symbols); - fGroupingSeparator = symbols.getConstSymbol(DecimalFormatSymbols::kMonetaryGroupingSeparatorSymbol); - fDecimal = symbols.getConstSymbol(DecimalFormatSymbols::kMonetarySeparatorSymbol); -} - -void -DigitFormatter::setDecimalFormatSymbols( - const DecimalFormatSymbols &symbols) { - setOtherDecimalFormatSymbols(symbols); - fGroupingSeparator = symbols.getConstSymbol(DecimalFormatSymbols::kGroupingSeparatorSymbol); - fDecimal = symbols.getConstSymbol(DecimalFormatSymbols::kDecimalSeparatorSymbol); -} - -static void appendField( - int32_t fieldId, - const UnicodeString &value, - FieldPositionHandler &handler, - UnicodeString &appendTo) { - int32_t currentLength = appendTo.length(); - appendTo.append(value); - handler.addAttribute( - fieldId, - currentLength, - appendTo.length()); -} - -int32_t DigitFormatter::countChar32( - const DigitGrouping &grouping, - const DigitInterval &interval, - const DigitFormatterOptions &options) const { - int32_t result = interval.length(); - - // We always emit '0' in lieu of no digits. - if (result == 0) { - result = 1; - } - if (options.fAlwaysShowDecimal || interval.getLeastSignificantInclusive() < 0) { - result += fDecimal.countChar32(); - } - result += grouping.getSeparatorCount(interval.getIntDigitCount()) * fGroupingSeparator.countChar32(); - return result; -} - -int32_t -DigitFormatter::countChar32( - const VisibleDigits &digits, - const DigitGrouping &grouping, - const DigitFormatterOptions &options) const { - if (digits.isNaN()) { - return countChar32ForNaN(); - } - if (digits.isInfinite()) { - return countChar32ForInfinity(); - } - return countChar32( - grouping, - digits.getInterval(), - options); -} - -int32_t -DigitFormatter::countChar32( - const VisibleDigitsWithExponent &digits, - const SciFormatterOptions &options) const { - if (digits.isNaN()) { - return countChar32ForNaN(); - } - if (digits.isInfinite()) { - return countChar32ForInfinity(); - } - const VisibleDigits *exponent = digits.getExponent(); - if (exponent == NULL) { - DigitGrouping grouping; - return countChar32( - grouping, - digits.getMantissa().getInterval(), - options.fMantissa); - } - return countChar32( - *exponent, digits.getMantissa().getInterval(), options); -} - -int32_t -DigitFormatter::countChar32( - const VisibleDigits &exponent, - const DigitInterval &mantissaInterval, - const SciFormatterOptions &options) const { - DigitGrouping grouping; - int32_t count = countChar32( - grouping, mantissaInterval, options.fMantissa); - count += fExponent.countChar32(); - count += countChar32ForExponent( - exponent, options.fExponent); - return count; -} - -UnicodeString &DigitFormatter::format( - const VisibleDigits &digits, - const DigitGrouping &grouping, - const DigitFormatterOptions &options, - FieldPositionHandler &handler, - UnicodeString &appendTo) const { - if (digits.isNaN()) { - return formatNaN(handler, appendTo); - } - if (digits.isInfinite()) { - return formatInfinity(handler, appendTo); - } - - const DigitInterval &interval = digits.getInterval(); - int32_t digitsLeftOfDecimal = interval.getMostSignificantExclusive(); - int32_t lastDigitPos = interval.getLeastSignificantInclusive(); - int32_t intBegin = appendTo.length(); - int32_t fracBegin = 0; /* initialize to avoid compiler warning */ - - // Emit "0" instead of empty string. - if (digitsLeftOfDecimal == 0 && lastDigitPos == 0) { - appendTo.append(fLocalizedDigits[0]); - handler.addAttribute(UNUM_INTEGER_FIELD, intBegin, appendTo.length()); - if (options.fAlwaysShowDecimal) { - appendField( - UNUM_DECIMAL_SEPARATOR_FIELD, - fDecimal, - handler, - appendTo); - } - return appendTo; - } - { - UnicodeStringAppender appender(appendTo); - for (int32_t i = interval.getMostSignificantExclusive() - 1; - i >= interval.getLeastSignificantInclusive(); --i) { - if (i == -1) { - appender.flush(); - appendField( - UNUM_DECIMAL_SEPARATOR_FIELD, - fDecimal, - handler, - appendTo); - fracBegin = appendTo.length(); - } - appender.append(fLocalizedDigits[digits.getDigitByExponent(i)]); - if (grouping.isSeparatorAt(digitsLeftOfDecimal, i)) { - appender.flush(); - appendField( - UNUM_GROUPING_SEPARATOR_FIELD, - fGroupingSeparator, - handler, - appendTo); - } - if (i == 0) { - appender.flush(); - if (digitsLeftOfDecimal > 0) { - handler.addAttribute(UNUM_INTEGER_FIELD, intBegin, appendTo.length()); - } - } - } - if (options.fAlwaysShowDecimal && lastDigitPos == 0) { - appender.flush(); - appendField( - UNUM_DECIMAL_SEPARATOR_FIELD, - fDecimal, - handler, - appendTo); - } - } - // lastDigitPos is never > 0 so we are guaranteed that kIntegerField - // is already added. - if (lastDigitPos < 0) { - handler.addAttribute(UNUM_FRACTION_FIELD, fracBegin, appendTo.length()); - } - return appendTo; -} - -UnicodeString & -DigitFormatter::format( - const VisibleDigitsWithExponent &digits, - const SciFormatterOptions &options, - FieldPositionHandler &handler, - UnicodeString &appendTo) const { - DigitGrouping grouping; - format( - digits.getMantissa(), - grouping, - options.fMantissa, - handler, - appendTo); - const VisibleDigits *exponent = digits.getExponent(); - if (exponent == NULL) { - return appendTo; - } - int32_t expBegin = appendTo.length(); - appendTo.append(fExponent); - handler.addAttribute( - UNUM_EXPONENT_SYMBOL_FIELD, expBegin, appendTo.length()); - return formatExponent( - *exponent, - options.fExponent, - UNUM_EXPONENT_SIGN_FIELD, - UNUM_EXPONENT_FIELD, - handler, - appendTo); -} - -static int32_t formatInt( - int32_t value, uint8_t *digits) { - int32_t idx = 0; - while (value > 0) { - digits[idx++] = (uint8_t) (value % 10); - value /= 10; - } - return idx; -} - -UnicodeString & -DigitFormatter::formatDigits( - const uint8_t *digits, - int32_t count, - const IntDigitCountRange &range, - int32_t intField, - FieldPositionHandler &handler, - UnicodeString &appendTo) const { - int32_t i = range.pin(count) - 1; - int32_t begin = appendTo.length(); - - // Always emit '0' as placeholder for empty string. - if (i == -1) { - appendTo.append(fLocalizedDigits[0]); - handler.addAttribute(intField, begin, appendTo.length()); - return appendTo; - } - { - UnicodeStringAppender appender(appendTo); - for (; i >= count; --i) { - appender.append(fLocalizedDigits[0]); - } - for (; i >= 0; --i) { - appender.append(fLocalizedDigits[digits[i]]); - } - } - handler.addAttribute(intField, begin, appendTo.length()); - return appendTo; -} - -UnicodeString & -DigitFormatter::formatExponent( - const VisibleDigits &digits, - const DigitFormatterIntOptions &options, - int32_t signField, - int32_t intField, - FieldPositionHandler &handler, - UnicodeString &appendTo) const { - UBool neg = digits.isNegative(); - if (neg || options.fAlwaysShowSign) { - appendField( - signField, - neg ? fNegativeSign : fPositiveSign, - handler, - appendTo); - } - int32_t begin = appendTo.length(); - DigitGrouping grouping; - DigitFormatterOptions expOptions; - FieldPosition fpos(FieldPosition::DONT_CARE); - FieldPositionOnlyHandler noHandler(fpos); - format( - digits, - grouping, - expOptions, - noHandler, - appendTo); - handler.addAttribute(intField, begin, appendTo.length()); - return appendTo; -} - -int32_t -DigitFormatter::countChar32ForExponent( - const VisibleDigits &exponent, - const DigitFormatterIntOptions &options) const { - int32_t result = 0; - UBool neg = exponent.isNegative(); - if (neg || options.fAlwaysShowSign) { - result += neg ? fNegativeSign.countChar32() : fPositiveSign.countChar32(); - } - DigitGrouping grouping; - DigitFormatterOptions expOptions; - result += countChar32(grouping, exponent.getInterval(), expOptions); - return result; -} - -UnicodeString & -DigitFormatter::formatPositiveInt32( - int32_t positiveValue, - const IntDigitCountRange &range, - FieldPositionHandler &handler, - UnicodeString &appendTo) const { - // super fast path - if (fIsStandardDigits && SmallIntFormatter::canFormat(positiveValue, range)) { - int32_t begin = appendTo.length(); - SmallIntFormatter::format(positiveValue, range, appendTo); - handler.addAttribute(UNUM_INTEGER_FIELD, begin, appendTo.length()); - return appendTo; - } - uint8_t digits[10]; - int32_t count = formatInt(positiveValue, digits); - return formatDigits( - digits, - count, - range, - UNUM_INTEGER_FIELD, - handler, - appendTo); -} - -UBool DigitFormatter::isStandardDigits() const { - UChar32 cdigit = 0x30; - for (int32_t i = 0; i < UPRV_LENGTHOF(fLocalizedDigits); ++i) { - if (fLocalizedDigits[i] != cdigit) { - return FALSE; - } - ++cdigit; - } - return TRUE; -} - -UBool -DigitFormatter::equals(const DigitFormatter &rhs) const { - UBool result = (fGroupingSeparator == rhs.fGroupingSeparator) && - (fDecimal == rhs.fDecimal) && - (fNegativeSign == rhs.fNegativeSign) && - (fPositiveSign == rhs.fPositiveSign) && - (fInfinity.equals(rhs.fInfinity)) && - (fNan.equals(rhs.fNan)) && - (fIsStandardDigits == rhs.fIsStandardDigits) && - (fExponent == rhs.fExponent); - - if (!result) { - return FALSE; - } - for (int32_t i = 0; i < UPRV_LENGTHOF(fLocalizedDigits); ++i) { - if (fLocalizedDigits[i] != rhs.fLocalizedDigits[i]) { - return FALSE; - } - } - return TRUE; -} - - -U_NAMESPACE_END - -#endif /* #if !UCONFIG_NO_FORMATTING */ |