68 lines
2.3 KiB
C++
68 lines
2.3 KiB
C++
// © 2017 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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#include "unicode/numberformatter.h"
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#include "number_types.h"
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#include "number_decimalquantity.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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IntegerWidth::IntegerWidth(digits_t minInt, digits_t maxInt, bool formatFailIfMoreThanMaxDigits) {
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fUnion.minMaxInt.fMinInt = minInt;
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fUnion.minMaxInt.fMaxInt = maxInt;
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fUnion.minMaxInt.fFormatFailIfMoreThanMaxDigits = formatFailIfMoreThanMaxDigits;
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}
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IntegerWidth IntegerWidth::zeroFillTo(int32_t minInt) {
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if (minInt >= 0 && minInt <= kMaxIntFracSig) {
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return {static_cast<digits_t>(minInt), -1, false};
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} else {
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return {U_NUMBER_ARG_OUTOFBOUNDS_ERROR};
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}
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}
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IntegerWidth IntegerWidth::truncateAt(int32_t maxInt) {
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if (fHasError) { return *this; } // No-op on error
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digits_t minInt = fUnion.minMaxInt.fMinInt;
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if (maxInt >= 0 && maxInt <= kMaxIntFracSig && minInt <= maxInt) {
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return {minInt, static_cast<digits_t>(maxInt), false};
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} else if (maxInt == -1) {
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return {minInt, -1, false};
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} else {
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return {U_NUMBER_ARG_OUTOFBOUNDS_ERROR};
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}
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}
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void IntegerWidth::apply(impl::DecimalQuantity& quantity, UErrorCode& status) const {
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if (fHasError) {
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status = U_ILLEGAL_ARGUMENT_ERROR;
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} else if (fUnion.minMaxInt.fMaxInt == -1) {
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quantity.setIntegerLength(fUnion.minMaxInt.fMinInt, INT32_MAX);
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} else {
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// Enforce the backwards-compatibility feature "FormatFailIfMoreThanMaxDigits"
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if (fUnion.minMaxInt.fFormatFailIfMoreThanMaxDigits &&
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fUnion.minMaxInt.fMaxInt < quantity.getMagnitude()) {
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status = U_ILLEGAL_ARGUMENT_ERROR;
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}
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quantity.setIntegerLength(fUnion.minMaxInt.fMinInt, fUnion.minMaxInt.fMaxInt);
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}
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}
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bool IntegerWidth::operator==(const IntegerWidth& other) const {
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// Private operator==; do error and bogus checking first!
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U_ASSERT(!fHasError);
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U_ASSERT(!other.fHasError);
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U_ASSERT(!isBogus());
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U_ASSERT(!other.isBogus());
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return fUnion.minMaxInt.fMinInt == other.fUnion.minMaxInt.fMinInt &&
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fUnion.minMaxInt.fMaxInt == other.fUnion.minMaxInt.fMaxInt;
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}
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#endif /* #if !UCONFIG_NO_FORMATTING */
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